fix: don't set delegate for QLPreviewPanel
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Jeremy Spiegel <jeremy.spiegel@frontapp.com>
feat: include standard paper sizes for webContents.print()
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
docs: add missing clipboard-sanitized-write permission value to setPermissionRequestHandler() (#37173)
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Milan Burda <milan.burda@gmail.com>
* fix: expose native bindings by process type
Co-authored-by: Milan Burda <milan.burda@gmail.com>
* fix test
* fix test
---------
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Milan Burda <milan.burda@gmail.com>
fix: nodeIntegrationInWorker in AudioWorklets
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
* refactor: make StatusIconType an enum class (#36554)
Co-authored-by: Milan Burda <miburda@microsoft.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Milan Burda <miburda@microsoft.com>
* fix: fallback to GtkStatusIcon when app indicator is not supported (#36815)
* chore: get ready for multi backend tray
* fix: fallback to GtkStatusIcon when app indicator is not supported
* chore: use smart pointers
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Milan Burda <miburda@microsoft.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
spec: add a datalist spec for time type
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
Change factuality and word choice.
Added "or WOW" to the phrase, "when they are running the x64 version under Rosetta", to reflect the use of a supported platform, Windows, as a possible scenario.
Changed the wording of that same sentence to make it appear clearer. "incorrectly" to "mistakenly" and moved this word to before the verb instead of the end of the sentence.
Co-authored-by: GGIEnrike <52293637+GGIEnrike@users.noreply.github.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: GGIEnrike <52293637+GGIEnrike@users.noreply.github.com>
Co-authored-by: Milan Burda <milan.burda@gmail.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Milan Burda <milan.burda@gmail.com>
* fix: use the process cache to reduce the memory for asar file
Co-authored-by: webster.xu <webster.xu@ringcentral.com>
* Update shell/common/api/electron_api_asar.cc
Co-authored-by: Jeremy Rose <nornagon@nornagon.net>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: webster.xu <webster.xu@ringcentral.com>
Co-authored-by: Jeremy Rose <nornagon@nornagon.net>
docs: update code highlights in tutorial (#36691)
docs: fix code highlighting in preload tutorial
The highlighted lines in the code snippets were unaligned,
which could cause a newcomer unneeded confusion on what
lines need to be changed.
Co-authored-by: Roger Zurawicki <zurawiki@users.noreply.github.com>
* fix: rename WebSwapCGLLayer to WebSwapCGLLayerChromium
Co-authored-by: Milan Burda <milan.burda@gmail.com>
* undo changes to patches/config.json
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Milan Burda <milan.burda@gmail.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
* fix: blend node and blink code generation policy when both are loaded (#36567)
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
* Update .patches
* fix patches
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
When creating branded release builds and using scripts/strip-binaries.py
on Linux, the final artifacts end up unstripped due to the static set of
binaries considered for stripping.
With this patch the name of the electron binary is taken from the
BRANDING.json `project_name` key.
Signed-off-by: Robert Günzler <r@gnzler.io>
Co-authored-by: Robert Günzler <r@gnzler.io>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Robert Günzler <r@gnzler.io>
* ci: bake appveyor images automatically, run sync on depshash change
* build: fixup appveyor image for release
* build: make sure symstore is in the PATH when baking an image
* build: update to use fixed baked image
* cleanup sdk install
* chore: fix test process.arch (doesn't work on arm)
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
add missing event-emitter link
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
fix: abort ShipIt installation attempt at the final mile if the app is running (#36130)
* fix: abort ShipIt installation attempt at the final mile if the app is running
* chore: remove only
* Update patches/squirrel.mac/fix_abort_installation_attempt_at_the_final_mile_if_the_app_is.patch
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
* chore: update patches
* spec: make the ShipIt process lister helper more resilient
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: PatchUp <73610968+patchup[bot]@users.noreply.github.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: PatchUp <73610968+patchup[bot]@users.noreply.github.com>
* Updated docs on uploading
- replaced mention of Application Loader with Apple Transporter, its replacement
- replaced mention of iTunes Connect with App Store Connect
- updated link for creating a record
Co-authored-by: Georgescu Gabriel <29951139+gabi200@users.noreply.github.com>
* Update mac-app-store-submission-guide.md
Co-authored-by: Cheng Zhao <zcbenz@gmail.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Georgescu Gabriel <29951139+gabi200@users.noreply.github.com>
Co-authored-by: Cheng Zhao <zcbenz@gmail.com>
* chore: bump chromium in DEPS to 108.0.5359.19
* chore: update patches
* 3859750: [linux/wayland] Added plumbing for the state of tiled edges.
https://chromium-review.googlesource.com/c/chromium/src/+/3859750
Also 3970920: [linux/wayland] Fixed the tiled edges for the GTK frame.
https://chromium-review.googlesource.com/c/chromium/src/+/3970920
(cherry picked from commit d3f0dbb68a)
* chore: bump chromium in DEPS to 108.0.5359.22
* chore: update patches
Co-authored-by: electron-roller[bot] <84116207+electron-roller[bot]@users.noreply.github.com>
Co-authored-by: PatchUp <73610968+patchup[bot]@users.noreply.github.com>
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
Co-authored-by: Milan Burda <miburda@microsoft.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Milan Burda <miburda@microsoft.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
* build: determine electron version from tags not files (#36106)
* build: determine electron version from tags not files
* build: make electron_version dependent on packed-refs and git HEAD
* build: do not delete electron/.git
* build: do not revert a commit we didn't make
* build: gen version file instead of just writing it
* build: update cache and ninja targets
* build: copy resource.h to generated electron.rc
* build: electron_win32_resources should be public deps
* build: also copy the icon
Co-authored-by: MarshallOfSound <marshallofsound@electronjs.org>
* build: ensure get-version runs in the electron git checkout (#36128)
* build: strip v in the getElectronVersion helper
Co-authored-by: MarshallOfSound <marshallofsound@electronjs.org>
Co-authored-by: Samuel Attard <sam@electronjs.org>
Co-authored-by: Samuel Attard <sattard@salesforce.com>
docs: correcting main example in WebRequest documentation (#36113)
Correcting main example
The entry `*://electron.github.io` is invalid and produces an exception. i.e.
> UnhandledPromiseRejectionWarning: TypeError: Invalid url pattern *://electron.github.io: Empty path.
Setting a valid path to resolve this issue
Co-authored-by: Shane Gannon <sgannon200@gmail.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Shane Gannon <sgannon200@gmail.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
docs: fixed MenuItem documentation to use the same formatting for all role options (#36112)
Fixed MenuItem documentation
Some of the items in the list of possible roles were formatted differently, which made it harder to read.
Sorry if this was intended, but I found it easier to read with them all formatted the same.
Co-authored-by: flynow10 <37031514+flynow10@users.noreply.github.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: flynow10 <37031514+flynow10@users.noreply.github.com>
test: disable failing linux arm/arm64 crash test case
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
fix: printToPDF default margins (#36060)
printToPDF default margins
The document printToPDF has a 1cm margin and this default value has been added in the code.
Co-authored-by: Yusoo <Yusoo@users.noreply.github.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Yusoo <Yusoo@users.noreply.github.com>
Co-authored-by: Milan Burda <milan.burda@gmail.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Milan Burda <milan.burda@gmail.com>
fix: drag and drop should copy on macOS (#35963)
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
Co-authored-by: Milan Burda <milan.burda@gmail.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Milan Burda <milan.burda@gmail.com>
Fix event type spelling for bluetooth fiddle example
Co-authored-by: sam <sam.leider@hotmail.com>
Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: sam <sam.leider@hotmail.com>
Previously, display_id was an empty string, pending Chrome support for
sharing individual screens. Now that this has been added, it is
desirable to have this property set correctly.
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
* fix: potential exception when calling webFrameMainBinding.fromIdOrNull()
* replace try/catch in getWebFrameForEvent
Co-authored-by: Milan Burda <miburda@microsoft.com>
* docs: changed event.data to data under the message.port in docs
* docs: corrected BrowserWindow wrong usage and change window.messagePort to window.electronMessagePort
* fix: WebAuthn Discoverable Credential (Resident Credential) #33353
Enables support for Webauthn discoverable credentials (aka resident
credentials). This allows users to authenticate without first having to
select or type a username.
To decide if discoverable credentials are supported, the class
'AuthenticatorCommon', in the chrome content code, indirectly calls the
method 'context::WebAuthenticationDelegate.SupportsResidentKeys(..)'.
The default implementation of this returns false, leaving it up to
specific implementations to override.
This change adds a new class 'ElectronWebAuthenticationDelegate' to
subclass 'WebAuthenticationDelegate' and override the behaviour of the
'SupportsResidentKeys' method to return true.
The implementation is copied from the Chrome browser equivalent
'ChromeWebAuthenticationDelegate', though the chrome class includes
other methods that don't seem to be required for this functionality.
The 'ElectronContentClient' class was also updated to store an instance
of 'ElectronWebAuthenticationDelegate', and to provide an accessor
method, GetWebAuthenticationDelegate().
* Remove redundant, commented-out code
* style: comment cleanup
* style: updated comments and formatting based on pull request review
* style: fix lint error on header guard clause
Update security.md
Under "4. Process Sandboxing", it said "For mor information on what `contextIsolation` is..." which was the previous section (copied from there). This updates it to say "For more information on what Process Sandboxing is..."
Update `.nvmrc` Node.js version from 14 to 16
The `DEPS` file states that Electron is on Node.js ^16.x. I am guessing that the PR bumping to Node.js 16 overlooked the `.nvmrc` file, which is updated in this PR. If leaving the `.nvmrc` file on 14 was intentional, please disregard this PR.
* build: add stale configuration
* Update .github/stale.yml
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
* Update stale.yml
* Update stale.yml
* Update .github/stale.yml
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
* Updates to allow for using a custom v8 snapshot file name
* Allow using a custom v8 snapshot file name
* Fix up patch due to merge
* Use fuse to set up custom v8 snapshot file in browser process
* Refactor to use delegate instead of command line parameter
* Refactoring
* Update due to merge
* PR comments
* Rename patch
* Rename patch
Right now the `check-symlinks.js` assumes that the branding product name
is "Electron". If users change `BRANDING.json` on custom builds, the
script will fail.
Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>
Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>
* Fix reference definitions should be needed
* typo
* typo
* typo and style
* Fix reference definitions should be needed
* Fix typo
* restore to previous
* Use absolute URL in faq.md image link
The relative link is rendered relative to the host domain, which works fine when viewing it on Github, but since you also use the same generated HTML in your doc site, the link is broken. See here: https://www.electronjs.org/docs/latest/faq#the-font-looks-blurry-what-is-this-and-what-can-i-do
Using an absolute URL here should fix the issue on the main site.
* Use inline image reference for subpixel rendering example
As suggested by @dsanders11
* fix: session.getBlobData never resolves with blob sizes > 65536 (#34398)
* Add unit test case for session.getBlobData
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
* fix: pass rfh instances through to the permission helper
* refactor: use WeakDocumentPtr instead of frame node id
* fix: handle missing initiator document
* fix: dispatch openExternal event for top level webview navs still
* fix: ensure chrome colors are initialized
* build: fix linking on windows
* build: fix linking on windows
* build: add needed files to chromium_src/BUILD
Co-authored-by: VerteDinde <keeleymhammond@gmail.com>
* build: allow Linux distros to build against system shared libraries
Add GN flags to build the embedded nodejs copy against system libraries
instead of vendored copies in `third_party/electron_node/deps`:
* cares
* llhttp
* nghttp2
* hdr_histogram
See also chromium's build/linux/unbundle/README for more
Electron-relevant information about vendored dependencies.
* Update patches/node/build_add_gn_build_files.patch
Co-authored-by: Darshan Sen <raisinten@gmail.com>
Co-authored-by: Darshan Sen <raisinten@gmail.com>
* test: drop the now-empty remote runner from CI
* move fixtures to spec-main
* remove remote runner
* fix stuff
* remove global-paths hack
* move ts-smoke to spec/
* fix test after merge
* rename spec-main to spec
* no need to ignore spec/node_modules twice
* simplify spec-runner a little
* no need to hash pj/yl twice
* undo lint change to verify-mksnapshot.py
* excessive ..
* update electron_woa_testing.yml
* don't search for test-results-remote.xml
it is never produced now
* Remove unused import of path
This import gives out the error in the preload script:
Error: module not found: path
at preloadRequire
* Removes unused import in preload script
notes: Removes unused import which causes issue in preload script of drag and drop tutorial
* Remove import path as it is not used in the script
note: Removes import path as it is not used in the script
* test: temporarily disable test on mas arm64 that is causing crash
* disable the right test
* chore: speculative fix for CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER crash
* enable all the tests
* Revert "chore: speculative fix for CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER crash"
This reverts commit b7c8ef364c.
* test: disable tests that crash on mas arm64
* Update tutorial-6-publishing-updating.md
The dot at the end of the URL will depend on the site that cannot open. Because it will open `https://update.electronjs.org./` which does not exist.
* docs: fix the URL problems at tutorial-6-publishing-updating.md
The dot at the end of the URL will depend on the site that cannot open. Because it will open `https://update.electronjs.org./` which does not exist.
* docs: fix the URL problems at tutorial-6-publishing-updating.md
* docs: fix the URL problems at tutorial-6-publishing-updating.md
* fix: broken wayland window decorations due to botched chromium update
The `GetTitlebarBounds().height()` is obviously intended to be placed in
the `top` parameter, which used to be the second one before upstream
removed multi-parameter `gfx::Rect::Inset`, but it's the first parameter
for `gfx::Insets::TLBR`, which was intended to replace the removed
`Inset` function. However, whoever updated Chromium kept the parameter
unchanged, causing the title bar height to be passed to the `left`
parameter, causing the window title bar to be unclickable.
* fix: wayland window top bar buttons unclickable
Use NonClientFrameView::TargetForRect for the ClientFrameViewLinux
implementation because the default inherited from FramelessView blocks
any non-HTCLIENT events.
* fix: add maximized parameter to LinuxUI::GetWindowFrameProvider
* fix: pass frame_->IsMaximized() to GetWindowFrameProvider
This ensures that the toolkit renders the window decorations in maximized mode
while the window is maximized to ensure that there is no empty space around the window.
* fix: modify file extension generation on Windows
* modify includes
* include vector in header
* add win build flags
* remove hardcoded strings
* Update shell/browser/electron_download_manager_delegate.h
Co-authored-by: Charles Kerr <charles@charleskerr.com>
* fix string manipulation and function definitions
* Update electron_download_manager_delegate.h
* convert to std::string and modify for electron
* Update shell/browser/electron_download_manager_delegate.cc
Co-authored-by: Charles Kerr <charles@charleskerr.com>
* remove vector include and update conversion
* add vectr include for lint
Co-authored-by: Charles Kerr <charles@charleskerr.com>
* fix: ensure native modules are built with config.gypi
This works by patching node.h to check that two defines are set using the equivilant of an XNOR operation. One define "ELECTRON_ENSURE_CONFIG_GYPI" is set via common.gypi which is _already_ used to build native modules and has been since the dawn of time. Therefore this define will be set for all native module compilations targetting the Electron runtime. The second define "USING_ELECTRON_CONFIG_GYPI" is only defined when the gypi argument "using_electron_config_gypi" is set to 1 which is only done so via config.gypi. Only new enough versions of node-gyp correctly use the config.gypi file thus resulting in a compilation error on version of node-gyp that are too old.
* chore: fix lint
Co-authored-by: Samuel Attard <sattard@salesforce.com>
* docs: new main -> renderers messageChannel example
* consistent use of your
* fix a typo
* linting
* markdown linting
* Update docs/tutorial/message-ports.md
Co-authored-by: Erick Zhao <erick@hotmail.ca>
* update code example headings, reference contextIsolation example
* remove nodeIntegration: false from browserWindows
* rename "messagePort" to "electronMessagePort" for compatibility
Co-authored-by: Erick Zhao <erick@hotmail.ca>
* refactor: unduplicate MediaStreamDevicesController
* restore old logic for GUM_* request types
* lint
* gn format
* add test for unsupported getDisplayMedia
* simplify + comment
This define is only needed when linking against Chromiums libc++ which we currently
do not ship / expose the symbols of. We probably should make those symbols visible and
actually ensure that electron-rebuild et. al link against our libc++ instead of the system libc++
but for now this fixes compilation issues on macOS where the default system clang links to the system libc++
which does not (obviously) use the Chromium ABI namespace.
For our nan tests which do link against Chromiums libc++ we define the ABI namespace in the spec runner.
When widevine was disabled at the build level we never dealt with the callback passed into GetSupportedKeySystems. This was ok until requests became marked pending in https://chromium-review.googlesource.com/c/chromium/src/+/3430502 until the callback was called. This resulted in a promise never resolving / rejecting and certain media websites (E.g. spotify) hanging on load waiting for a signal that would never arrive.
* build: test disabling security
* build: install python2 during tests
* build: do not install python2 on arm64 runners
* attempt 2
* build: only allow 13.3.0 xcode
* build: fix building with enable_basic_printing false
* temp flags for ci builds
* fix other systems
* disable cups
* disable print preview
* revert changes
* merge with printing.patch
* chore: modernize ListValue usage in dict_util.mm and related files
* use base::Value::{Dict,List} instead of raw base::Value
* fix compile
* fix build
* fix build again
* chore: chunk filenames when linting C++ files
* chore: refactor code for better readability
Co-authored-by: Charles Kerr <charles@charleskerr.com>
* chore: further tweak
* chore: limit all platforms to 4095 characters on command line
* chore: use python3
* Revert "chore: use python3"
Co-authored-by: Charles Kerr <charles@charleskerr.com>
Co-authored-by: Cheng Zhao <zcbenz@gmail.com>
Extending the `testing` GN profile with the arguments documented to
allow breakpoint debugging
(https://www.electronjs.org/docs/latest/development/debugging#breakpoint-debugging)
doesn't quite work on macOS:
```sh
is_debug = true
symbol_level = 2
forbid_non_component_debug_builds = false
```
The build eventually fails on both Intel and Apple Silicon with the
following (summarized) error:
```sh
[S:41062 R:1 (41062:41247) (C/s:0.1 O/s:13.6)] SOLINK 'obj/electron/electron_framework_shared_library/Electron Framework' 'obj/electron/electron_framework_shared_library/Electron Framework.TOC'
FAILED: obj/electron/electron_framework_shared_library/Electron Framework obj/electron/electron_framework_shared_library/Electron Framework.TOC
...
Undefined symbols for architecture x86_64:
"platform_util::GetViewForWindow(gfx::NativeWindow)", referenced from:
BoundsOverlapWithAnyOpenPrompt(gfx::Rect const&, content::WebContents*) in libchrome.a(autofill_popup_view_utils.o)
"platform_util::GetParent(gfx::NativeView)", referenced from:
BoundsOverlapWithAnyOpenPrompt(gfx::Rect const&, content::WebContents*) in libchrome.a(autofill_popup_view_utils.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
...
```
This symbol is defined on a file that is not declared as a dependency of
`libchrome` on the GN definitions. Why the problem is not reproducible
on plain testing or release builds remains a mystery to me. I'm guessing
some non-debug path somewhere in the GN definitions does eventually
require that file.
Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>
fix: performance problem in crashReporter.start() on macOS
This change reduces the duration of crashReporter.start() on Intel macOS
from 622 milliseconds to 257 milliseconds!
Backports https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3641386
posix: Replace DoubleForkAndExec() with ForkAndSpawn()
The DoubleForkAndExec() function was taking over 622 milliseconds to run
on macOS 11 (BigSur) on Intel i5-1038NG7. I did some debugging by adding
some custom traces and found that the fork() syscall is the bottleneck
here, i.e., the first fork() takes around 359 milliseconds and the
nested fork() takes around 263 milliseconds. Replacing the nested fork()
and exec() with posix_spawn() reduces the time consumption to 257
milliseconds!
See https://github.com/libuv/libuv/pull/3064 to know why fork() is so
slow on macOS and why posix_spawn() is a better replacement.
Another point to note is that even base::LaunchProcess() from Chromium
calls posix_spawnp() on macOS -
8f8d82dea0:base/process/launch_mac.cc;l=295-296
Change-Id: I25c6ee9629a1ae5d0c32b361b56a1ce0b4b0fd26
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3641386
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
Fixes: https://github.com/electron/electron/issues/34321
Signed-off-by: Darshan Sen <raisinten@gmail.com>
* feat: add immersive dark mode
* fix syntax and add header
* add me
* Update fuses.json5
* fix: redraw title bar on dark mode change
* chore: SetWindowTheme doesn't seem to be needed
* chore: separate out Win 10 dark mode implementation
* final touches
* final touches
* chore: limit Win 10 to >= 20H1 and drop fuse
* fix types
* fix lint
Co-authored-by: Micha Hanselmann <micha.hanselmann@gmail.com>
Co-authored-by: David Sanders <dsanders11@ucsbalum.com>
* fix: crash when renderer process is reused
Could occur when a renderer crashes and the same-origin URL is loaded again
which leads to reusing the renderer process.
* test: renderer process crash recovery
* fix: handle case which leads to render frame DCHECK
* fix: lint
* ci: cache python install to better deal with download errors.
* chore: use our CDN to download python2
* build: DRY up the python install steps
Co-authored-by: Samuel Attard <sattard@salesforce.com>
* feat: add support for HIDDevice.forget()
* chore: remove whitespace
* chore: use `SetGetter` to serialize the render_frame_host
Co-authored-by: Samuel Maddock <samuel.maddock@gmail.com>
* fixup chore: use `SetGetter` to serialize the render_frame_host
* fixup after rebase
* fixup for crash on navigator.serial.getPorts()
* fixup for lint
Co-authored-by: Samuel Maddock <samuel.maddock@gmail.com>
chore: add a TRACE call for crash_reporter::Start()
Initializing the crashReporter takes around 620 milliseconds on Intel
macOS. I have sent a CL to crashpad to partially fix the performance
issue in
https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3641386.
It would be beneficial to log the performance impact of this function in
the traces in case this slows down in the future.
Signed-off-by: Darshan Sen <raisinten@gmail.com>
reference: Note: It is known that having both Content-Security-Policy
and X-Content-Security-Policy or X-Webkit-CSP causes unexpected
behaviours on certain versions of browsers. Please avoid using deprecated
X-* headers. https://content-security-policy.com/
also:
1ad18486ed
* fix: create singleton pipename from user & executable
* fix: use process id & main thread id for pipe name
* fix: write rand to file using WIN method
* fix: remove file rand, add user_name to pipe
* chore: style fixes, shorten program_name & user_name
* fix: remove user_name
* feat: redirect Electron/Chromium cache location
* fix: network services should also use browserData
* test: browserData
* chore: no need to explicitly create dir
* feat: browserData => sessionData
* test: check existings of specific items
* docs: add background on userData and sessionData
Co-authored-by: emmanuel.kimmerlin@thomsonreuters.com <emmanuel.kimmerlin@thomsonreuters.com>
* test: unflake webview fullscreen test
* test: unflake net throttle test
* Update spec-main/api-net-spec.ts
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
Co-authored-by: Jeremy Rose <jeremya@chromium.org>
The isFocused() method on macOS works by checking if the selected
BrowserWindow is a key window. Unfortunately, this didn't work well
with blur() because it wasn't calling any macOS APIs that would change
the key status of the window. Hence, this changes the implementation of
blur() to call orderOut first, which removes the key
status of the window. Then when the orderBack function is called, it
moves the window to the back of its level in the screen list, without
changing the key window.
Fixes: https://github.com/electron/electron/issues/33732
Signed-off-by: Darshan Sen <raisinten@gmail.com>
* rely on src cache instead of workspace
* run some tasks in the background and "thread join" later
* merge some ninja build commands to reduce overhead
* test: use custom userData folder for requestSingleInstanceLock()
* update test
* prefix test folder path
* fix: create userDataDir on requestSingleInstanceLock() if needed
* Trigger Build
* chore: update node types version
* update express types to solve type conflict
* one more yarn.lock type bump
* update another types package to fix incompatible global declarations
* remove incompatible type magicks
* update our ambient types to match the node types
* fix test type
Rule 13 recommends using Node's URL parser for handling url inputs. At
the moment, this is not being followed in the code example for rule 5,
which falls back on checking that the url ends with a '/'. If this was
forgotten when a user copies this code it could introduce security
vulnerabilities if an attacker uses an URL in the following way:
"https://example.com.attacker.com"
Using Node's URL parser fixes this potential missuse and enables the
'/' to be omited from the code example.
Co-authored-by: Baitinq <you@example.com>
* fix: don't call X11 functions in file dialog and message box
* refactor: remove unused GtkUiPlatform declaration
* fix: set gtk darktheme only when running under X11
* fix: replace X11 window state watcher with implementation using ozone
* fix: make sure global menu barr is used only when supported
* fix: don't call X11 function in native window views under wayland
* style: fix lint issues
* fix: use GtkUiPlatform::ShowGtkWindow instead of gtk_window_present directly
* refactor: extract CreateGlobalMenuBar into separate function
* refactor: move checking for WaylandWindowDecorations inside class
* fix: check if we run under X11 only in ozone build
* refactor: drop including unused ui/base/ui_base_features.h header
* fix: modify ui_gtk_public_header.patch to also export gtk_ui.h
* fix: refactor guarding of X11 calls
- Introduce patch exposing new electron_can_call_x11 property
- Replace defined(USE_OZONE) with BUILDFLAG(OZONE_PLATFORM_X11) flags
* fix: remove the last remaining usage of USE_X11
* fix: usage of BUILDFLAG(OZONE_PLATFORM_X11) not building on non ozone
* fix: call UpdateWindowState from OnBoundsChanged only under X11
* fix: initialize asar support in worker threads
Use `ObjectWrap` instead of gin's Wrap in `electron_api_asar.cc` because
gin isn't fully initialized (and apparently not possible to initialize
without ruining the isolate configuration and array buffer allocator) in
worker threads. In the worker thread call `setupAsarSupport` just as we
do for the main process.
* Update lib/asar/fs-wrapper.ts
Co-authored-by: Darshan Sen <raisinten@gmail.com>
* Update patches/node/worker_thread_add_asar_support.patch
Co-authored-by: Darshan Sen <raisinten@gmail.com>
* Add a test
Co-authored-by: Darshan Sen <raisinten@gmail.com>
Co-authored-by: Fedor Indutny <79877362+indutny-signal@users.noreply.github.com>
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
* fix: use stricter options in SecStaticCodeCheckValidity
* Update patches/squirrel.mac/fix_use_kseccschecknestedcode_kseccsstrictvalidate_in_the_sec.patch
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
* fix: ensure ElectronBrowser mojo service is only bound to authorized render frames
Notes: no-notes
* refactor: extract electron API IPC to its own mojo interface
* fix: just check main frame not primary main frame
* fix: race condition where webContents can be nullptr during re-focus and a multi-window close sequence
* chore: update electron_inspectable_web_contents_view.mm
* docs: Updated list numbering
The steps to package and distribute an application using electron had incorrect numbering
* Indented text within ordered list sections
* Removed single space
* Fixed indentation
* build: remove use_thin_lto = false
* ci: enabling if things get really bad (all darwin)
* build: lol don't enable that
* build: add patch to disable thin lto for mac
* feat: Added ability to configure if window should close when opener closes
* fix: check if embedder is destroyed
* fix: correctly take over closeWithOpener property
* chore: Added documentation
* Update docs/api/window-open.md
Co-authored-by: John Kleinschmidt <jkleinsc@github.com>
* chore: refactor
Co-authored-by: Jeremy Rose <nornagon@nornagon.net>
* chore: changed property name from `closeWithOpener` to `outlivesOpener`
* dummy change to kick lint
* undo above
Co-authored-by: John Kleinschmidt <jkleinsc@github.com>
Co-authored-by: Jeremy Rose <nornagon@nornagon.net>
This commit backports three commits from libuv's 1.x branch to fix
issues with CPU going to 100% on macOS when EPROTOTYPE is returned.
See: abb109f30f
See: 3a7b95593a
See: de24da8c11
* build: add stack_trace.h to main delegate
* build: trigger circleci
* build: free up a tiny bit more space
* build: disable use_thin_lto
* fixup build/args/all.gn
Co-authored-by: Samuel Attard <sam@electronjs.org>
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
* docs: add IPC doc
* fix: use "string" primitive
* use 'string' ipcrenderer
* use "number" primitive
* Update docs/tutorial/ipc.md
Co-authored-by: Jeremy Rose <nornagon@nornagon.net>
* Update docs/tutorial/ipc.md
Co-authored-by: Jeremy Rose <nornagon@nornagon.net>
* add code sample
Co-authored-by: Jeremy Rose <nornagon@nornagon.net>
* build: rebuild the dist_zips when the deps get modified
The dist.zip generated by the electron_dist_zip action was not getting
updated when changes were being made to the dependencies, like the
source files. It turns out, we were using data_deps for the dependencies
instead of deps. Here is the difference:
data_deps: things needed to ultimately run the thing built by a target
deps: things needed to build the target
So the difference in treatment of both sets of dependencies is actually
intentional.
Signed-off-by: Darshan Sen <raisinten@gmail.com>
* fixup! build: rebuild the dist_zips when the deps get modified
Signed-off-by: Darshan Sen <raisinten@gmail.com>
description:What version of Electron are you using?
placeholder:12.0.0
description:|
What version of Electron are you using?
Note: Please only report issues for [currently supported versions of Electron](https://www.electronjs.org/docs/latest/tutorial/support#currently-supported-versions).
placeholder:17.0.0
validations:
required:true
- type:dropdown
@@ -53,7 +56,7 @@ body:
attributes:
label:Last Known Working Electron version
description:What is the last version of Electron this worked in, if applicable?
This issue has been automatically marked as stale. **If this issue is still affecting you, please leave any comment** (for example, "bump"), and we'll keep it open. If you have any new additional information—in particular, if this is still reproducible in the [latest version of Electron](https://www.electronjs.org/releases/stable) or in the [beta](https://www.electronjs.org/releases/beta)—please include it with your comment!
closeComment:>
This issue has been closed as it was considered stale, this issue will not be
monitored. If this is a bug and you can reproduce this issue on a [supported
version of Electron](https://www.electronjs.org/docs/latest/tutorial/electron-timelines#timeline) please open a new issue and ensure a repro is provided.
Hello @${{ github.event.issue.user.login }}. Thanks for reporting this and helping to make Electron better!
Would it be possible for you to make a standalone testcase with only the code necessary to reproduce the issue? For example, [Electron Fiddle](https://www.electronjs.org/fiddle) is a great tool for making small test cases and makes it easy to publish your test case to a [gist](https://gist.github.com) that Electron maintainers can use.
Stand-alone test cases make fixing issues go more smoothly: it ensure everyone's looking at the same issue, it removes all unnecessary variables from the equation, and it can also provide the basis for automated regression tests.
Now adding the `blocked/need-repro` label for this reason. After you make a test case, please link to it in a followup comment. This issue will be closed in 10 days if the above is not addressed.
"Chromium has updated the mac_deployment_target, please update this assert, update the supported versions documentation (docs/tutorial/support.md) and flag this as a breaking change")
}
if (is_linux) {
import("//build/config/linux/pkg_config.gni")
import("//tools/generate_stubs/rules.gni")
pkg_config("gio_unix") {
packages = [ "gio-unix-2.0" ]
@@ -54,6 +55,48 @@ if (is_linux) {
"gdk-pixbuf-2.0",
]
}
generate_library_loader("libnotify_loader") {
name = "LibNotifyLoader"
output_h = "libnotify_loader.h"
output_cc = "libnotify_loader.cc"
header = "<libnotify/notify.h>"
config = ":libnotify_config"
functions = [
"notify_is_initted",
"notify_init",
"notify_get_server_caps",
"notify_get_server_info",
"notify_notification_new",
"notify_notification_add_action",
"notify_notification_set_image_from_pixbuf",
"notify_notification_set_timeout",
"notify_notification_set_urgency",
"notify_notification_set_hint_string",
"notify_notification_show",
"notify_notification_close",
]
}
# Generates electron_gtk_stubs.h header which contains
# stubs for extracting function ptrs from the gtk library.
# Function signatures for which stubs are required should be
# declared in electron_gtk.sigs, currently this file contains
# signatures for the functions used with native file chooser
# implementation. In future, this file can be extended to contain
Each Electron release provides binaries for macOS, Windows, and Linux.
* macOS (High Sierra and up): Electron provides 64-bit Intel and ARM binaries for macOS. Apple Silicon support was added in Electron 11.
* Windows (Windows 7 and up): Electron provides `ia32` (`x86`), `x64` (`amd64`), and `arm64` binaries for Windows. Windows on ARM support was added in Electron 5.0.8.
* Linux: The prebuilt binaries of Electron are built on Ubuntu 20.04. They have also been verified to work on:
* Ubuntu 14.04 and newer
* Fedora 24 and newer
* Debian 8 and newer
## Quick start & Electron Fiddle
Use [`Electron Fiddle`](https://github.com/electron/fiddle)
@@ -54,12 +65,10 @@ npm start
## Resources for learning Electron
- [electronjs.org/docs](https://electronjs.org/docs) - All of Electron's documentation
- [electron/fiddle](https://github.com/electron/fiddle) - A tool to build, run, and package small Electron experiments
- [electron/electron-quick-start](https://github.com/electron/electron-quick-start) - A very basic starter Electron app
- [electronjs.org/community#boilerplates](https://electronjs.org/community#boilerplates) - Sample starter apps created by the community
- [electron/simple-samples](https://github.com/electron/simple-samples) - Small applications with ideas for taking them further
- [electron/electron-api-demos](https://github.com/electron/electron-api-demos) - An Electron app that teaches you how to use Electron
* [electronjs.org/docs](https://electronjs.org/docs) - All of Electron's documentation
* [electron/fiddle](https://github.com/electron/fiddle) - A tool to build, run, and package small Electron experiments
* [electron/electron-quick-start](https://github.com/electron/electron-quick-start) - A very basic starter Electron app
* [electronjs.org/community#boilerplates](https://electronjs.org/community#boilerplates) - Sample starter apps created by the community
When using the Electron or other GitHub logos, be sure to follow the [GitHub logo guidelines](https://github.com/logos).
When using Electron logos, make sure to follow [OpenJS Foundation Trademark Policy](https://openjsf.org/wp-content/uploads/sites/84/2021/01/OpenJS-Foundation-Trademark-Policy-2021-01-12.docx.pdf).
# The config is used to bake appveyor images, not for running CI jobs.
# The config expects the following environment variables to be set:
# - "APPVEYOR_BAKE_IMAGE" e.g. 'electron-99.0.4767.0'. Name of the image to be baked.
# Typically named after the Chromium version on which the image is built.
# This can be set dynamically in the prepare-appveyor script.
version:1.0.{build}
build_cloud:electronhq-16-core
image:e-111.0.5560.0-node18
environment:
GIT_CACHE_PATH:C:\Users\appveyor\libcc_cache
ELECTRON_OUT_DIR:Default
ELECTRON_ENABLE_STACK_DUMPING:1
MOCHA_REPORTER:mocha-multi-reporters
MOCHA_MULTI_REPORTERS:mocha-appveyor-reporter, tap
GOMA_FALLBACK_ON_AUTH_FAILURE:true
DEPOT_TOOLS_WIN_TOOLCHAIN:0
PYTHONIOENCODING:UTF-8
# The following lines are needed when baking from a completely new image (eg MicrosoftWindowsServer:WindowsServer:2019-Datacenter:latest via image: base-windows-server2019)
# The following lines are needed when baking from a completely new image (eg MicrosoftWindowsServer:WindowsServer:2019-Datacenter:latest via image: base-windows-server2019)
# The following lines are needed when baking from a completely new image (eg MicrosoftWindowsServer:WindowsServer:2019-Datacenter:latest via image: base-windows-server2019)
# # Restart VM
# - ps: Start-Sleep -s 5; Restart-Computer
# - ps: Start-Sleep -s 5
# - cd %USERPROFILE%\image-bake-scripts
# - appveyor version
# - ps: .\optimize_dotnet_runtime.ps1
# - ps: .\disable_windows_background_services.ps1
# - ps: .\enforce_windows_firewall.ps1
# - ps: .\cleanup_windows.ps1
# END LINES FOR COMPLETELY NEW IMAGE
on_image_bake:
- ps:>-
echo "Baking image: $env:APPVEYOR_BAKE_IMAGE at dir $PWD"
# CalculateNativeWinOcclusion is disabled due to https://bugs.chromium.org/p/chromium/issues/detail?id=1139022
- if "%RUN_TESTS%"=="true" ( echo Running test suite & node script/yarn test -- --trace-uncaught --enable-logging --disable-features=CalculateNativeWinOcclusion )
- cd ..
- if "%RUN_TESTS%"=="true" ( echo Verifying non proprietary ffmpeg & python electron\script\verify-ffmpeg.py --build-dir out\Default --source-root %cd% --ffmpeg-path out\ffmpeg )
@@ -128,7 +128,10 @@ Emitted when the user wants to open a URL with the application. Your application
`Info.plist` file must define the URL scheme within the `CFBundleURLTypes` key, and
set `NSPrincipalClass` to `AtomApplication`.
You should call `event.preventDefault()` if you want to handle this event.
As with the `open-file` event, be sure to register a listener for the `open-url`
event early in your application startup to detect if the the application being
is being opened to handle a URL. If you register the listener in response to a
`ready` event, you'll miss URLs that trigger the launch of your application.
### Event: 'activate' _macOS_
@@ -484,7 +487,6 @@ Returns:
*`argv` string[] - An array of the second instance's command line arguments
*`workingDirectory` string - The second instance's working directory
*`additionalData` unknown - A JSON object of additional data passed from the second instance
*`ackCallback` unknown - A function that can be used to send data back to the second instance
This event will be emitted inside the primary instance of your application
when a second instance has been executed and calls `app.requestSingleInstanceLock()`.
@@ -496,35 +498,12 @@ non-minimized.
**Note:** If the second instance is started by a different user than the first, the `argv` array will not include the arguments.
**Note:**`ackCallback` allows the user to send data back to the
second instance during the `app.requestSingleInstanceLock()` flow.
This callback can be used for cases where the second instance
needs to obtain additional information from the first instance
before quitting.
Currently, the limit on the message size is kMaxMessageLength,
or around 32kB. To be safe, keep the amount of data passed to 31kB at most.
In order to call the callback, `event.preventDefault()` must be called, first.
If the callback is not called in either case, `null` will be sent back.
If `event.preventDefault()` is not called, but `ackCallback` is called
by the user in the event, then the behaviour is undefined.
This event is guaranteed to be emitted after the `ready` event of `app`
gets emitted.
**Note:** Extra command line arguments might be added by Chromium,
such as `--original-process-start-time`.
### Event: 'first-instance-ack'
Returns:
*`event` Event
*`additionalData` unknown - A JSON object of additional data passed from the first instance, in response to the first instance's `second-instance` event.
This event will be emitted within the second instance during the call to `app.requestSingleInstanceLock()`, when the first instance calls the `ackCallback` provided by the `second-instance` event handler.
## Methods
The `app` object has the following methods:
@@ -606,6 +585,10 @@ You should seek to use the `steal` option as sparingly as possible.
Hides all application windows without minimizing them.
### `app.isHidden()` _macOS_
Returns `boolean` - `true` if the application—including all of its windows—is hidden (e.g. with `Command-H`), `false` otherwise.
### `app.show()` _macOS_
Shows application windows after they were hidden. Does not automatically focus
@@ -631,9 +614,18 @@ Returns `string` - The current application directory.
*`%APPDATA%` on Windows
*`$XDG_CONFIG_HOME` or `~/.config` on Linux
*`~/Library/Application Support` on macOS
*`userData` The directory for storing your app's configuration files, which by
default it is the `appData` directory appended with your app's name.
*`cache`
*`userData` The directory for storing your app's configuration files, which
by default is the `appData` directory appended with your app's name. By
convention files storing user data should be written to this directory, and
it is not recommended to write large files here because some environments
may backup this directory to cloud storage.
*`sessionData` The directory for storing data generated by `Session`, such
as localStorage, cookies, disk cache, downloaded dictionaries, network
state, devtools files. By default this points to `userData`. Chromium may
write very large disk cache here, so if your app does not rely on browser
storage like localStorage or cookies to save user data, it is recommended
to set this directory to other locations to avoid polluting the `userData`
directory.
*`temp` Temporary directory.
*`exe` The current executable file.
*`module` The `libchromiumcontent` library.
@@ -683,9 +675,9 @@ In that case, the directory should be created with `fs.mkdirSync` or similar.
You can only override paths of a `name` defined in `app.getPath`.
By default, web pages' cookies and caches will be stored under the `userData`
By default, web pages' cookies and caches will be stored under the `sessionData`
directory. If you want to change this location, you have to override the
`userData` path before the `ready` event of the `app` module is emitted.
`sessionData` path before the `ready` event of the `app` module is emitted.
### `app.getVersion()`
@@ -714,14 +706,16 @@ Overrides the current application's name.
### `app.getLocale()`
Returns `string` - The current application locale, fetched using Chromium's `l10n_util` library.
Possible return values are documented [here](https://source.chromium.org/chromium/chromium/src/+/master:ui/base/l10n/l10n_util.cc).
Possible return values are documented [here](https://source.chromium.org/chromium/chromium/src/+/main:ui/base/l10n/l10n_util.cc).
To set the locale, you'll want to use a command line switch at app startup, which may be found [here](command-line-switches.md).
**Note:** When distributing your packaged app, you have to also ship the
`locales` folder.
**Note:**On Windows, you have to call it after the `ready` events gets emitted.
**Note:**This API must be called after the `ready` event is emitted.
**Note:** To see example return values of this API compared to other locale and language APIs, see [`app.getPreferredSystemLanguages()`](#appgetpreferredsystemlanguages).
**Note:** When unable to detect locale country code, it returns empty string.
### `app.getSystemLocale()`
Returns `string` - The current system locale. On Windows and Linux, it is fetched using Chromium's `i18n` library. On macOS, `[NSLocale currentLocale]` is used instead. To get the user's current system language, which is not always the same as the locale, it is better to use [`app.getPreferredSystemLanguages()`](#appgetpreferredsystemlanguages).
Different operating systems also use the regional data differently:
* Windows 11 uses the regional format for numbers, dates, and times.
* macOS Monterey uses the region for formatting numbers, dates, times, and for selecting the currency symbol to use.
Therefore, this API can be used for purposes such as choosing a format for rendering dates and times in a calendar app, especially when the developer wants the format to be consistent with the OS.
**Note:** This API must be called after the `ready` event is emitted.
**Note:** To see example return values of this API compared to other locale and language APIs, see [`app.getPreferredSystemLanguages()`](#appgetpreferredsystemlanguages).
### `app.getPreferredSystemLanguages()`
Returns `string[]` - The user's preferred system languages from most preferred to least preferred, including the country codes if applicable. A user can modify and add to this list on Windows or macOS through the Language and Region settings.
The API uses `GlobalizationPreferences` (with a fallback to `GetSystemPreferredUILanguages`) on Windows, `\[NSLocale preferredLanguages\]` on macOS, and `g_get_language_names` on Linux.
This API can be used for purposes such as deciding what language to present the application in.
Here are some examples of return values of the various language and locale APIs with different configurations:
* For Windows, where the application locale is German, the regional format is Finnish (Finland), and the preferred system languages from most to least preferred are French (Canada), English (US), Simplified Chinese (China), Finnish, and Spanish (Latin America):
* On macOS, where the application locale is German, the region is Finland, and the preferred system languages from most to least preferred are French (Canada), English (US), Simplified Chinese, and Spanish (Latin America):
Both the available languages and regions and the possible return values differ between the two operating systems.
As can be seen with the example above, on Windows, it is possible that a preferred system language has no country code, and that one of the preferred system languages corresponds with the language used for the regional format. On macOS, the region serves more as a default country code: the user doesn't need to have Finnish as a preferred language to use Finland as the region,and the country code `FI` is used as the country code for preferred system languages that do not have associated countries in the language name.
// We must call preventDefault if we're sending back data.
event.preventDefault()
// Print out data received from the second instance.
// Expected output: '{"myKey":"myValue"}'
console.log(JSON.stringify(additionalData))
console.log(additionalData)
// Someone tried to run a second instance, we should focus our window.
if(myWindow){
if(myWindow.isMinimized())myWindow.restore()
myWindow.focus()
}
constackData={myAckKey:'myAckValue'}
ackCallback(ackData)
})
// Create myWindow, load the rest of the app, etc...
@@ -1093,7 +1115,7 @@ Activation policy types:
Imports the certificate in pkcs12 format into the platform certificate store.
`callback` is called with the `result` of import operation, a value of `0`
indicates success while any other value indicates failure according to Chromium [net_error_list](https://source.chromium.org/chromium/chromium/src/+/master:net/base/net_error_list.h).
indicates success while any other value indicates failure according to Chromium [net_error_list](https://source.chromium.org/chromium/chromium/src/+/main:net/base/net_error_list.h).
### `app.configureHostResolver(options)`
@@ -1213,7 +1235,7 @@ For `infoType` equal to `basic`:
}
```
Using `basic` should be preferred if only basic information like `vendorId` or `driverId` is needed.
Using `basic` should be preferred if only basic information like `vendorId` or `deviceId` is needed.
### `app.setBadgeCount([count])` _Linux_ _macOS_
@@ -1402,7 +1424,7 @@ method returns false. If we fail to perform the copy, then this method will
throw an error. The message in the error should be informative and tell
you exactly what went wrong.
By default, if an app of the same name as the one being moved exists in the Applications directory and is _not_ running, the existing app will be trashed and the active app moved into its place. If it _is_ running, the pre-existing running app will assume focus and the previously active app will quit itself. This behavior can be changed by providing the optional conflict handler, where the boolean returned by the handler determines whether or not the move conflict is resolved with default behavior. i.e. returning `false` will ensure no further action is taken, returning `true` will result in the default behavior and the method continuing.
By default, if an app of the same name as the one being moved exists in the Applications directory and is _not_ running, the existing app will be trashed and the active app moved into its place. If it _is_ running, the preexisting running app will assume focus and the previously active app will quit itself. This behavior can be changed by providing the optional conflict handler, where the boolean returned by the handler determines whether or not the move conflict is resolved with default behavior. i.e. returning `false` will ensure no further action is taken, returning `true` will result in the default behavior and the method continuing.
For example:
@@ -1485,7 +1507,6 @@ dock on macOS.
A `boolean` property that returns `true` if the app is packaged, `false` otherwise. For many apps, this property can be used to distinguish development and production environments.
@@ -32,9 +32,9 @@ This is a requirement of `Squirrel.Mac`.
On Windows, you have to install your app into a user's machine before you can
use the `autoUpdater`, so it is recommended that you use the
[electron-winstaller][installer-lib], [electron-forge][electron-forge-lib] or the [grunt-electron-installer][installer] package to generate a Windows installer.
[electron-winstaller][installer-lib], [Electron Forge][electron-forge-lib] or the [grunt-electron-installer][installer] package to generate a Windows installer.
When using [electron-winstaller][installer-lib] or [electron-forge][electron-forge-lib] make sure you do not try to update your app [the first time it runs](https://github.com/electron/windows-installer#handling-squirrel-events) (Also see [this issue for more info](https://github.com/electron/electron/issues/7155)). It's also recommended to use [electron-squirrel-startup](https://github.com/mongodb-js/electron-squirrel-startup) to get desktop shortcuts for your app.
When using [electron-winstaller][installer-lib] or [Electron Forge][electron-forge-lib] make sure you do not try to update your app [the first time it runs](https://github.com/electron/windows-installer#handling-squirrel-events) (Also see [this issue for more info](https://github.com/electron/electron/issues/7155)). It's also recommended to use [electron-squirrel-startup](https://github.com/mongodb-js/electron-squirrel-startup) to get desktop shortcuts for your app.
The installer generated with Squirrel will create a shortcut icon with an
[Application User Model ID][app-user-model-id] in the format of
* Options are listed in [SkParseColor.cpp](https://source.chromium.org/chromium/chromium/src/+/main:third_party/skia/src/utils/SkParseColor.cpp;l=11-152;drc=eea4bf52cb0d55e2a39c828b017c80a5ee054148)
* Similar to CSS Color Module Level 3 keywords, but case-sensitive.
* e.g. `blueviolet` or `red`
**Note:** Hex format with alpha takes `AARRGGBB` or `ARGB`, _not_`RRGGBBA` or `RGA`.
Note that even for apps that use `ready-to-show` event, it is still recommended
to set `backgroundColor` to make app feel more native.
to set `backgroundColor` to make the app feel more native.
Some examples of valid `backgroundColor` values include:
```js
constwin=newBrowserWindow()
win.setBackgroundColor('hsl(230, 100%, 50%)')
win.setBackgroundColor('rgb(255, 145, 145)')
win.setBackgroundColor('#ff00a3')
win.setBackgroundColor('blueviolet')
```
For more information about these color types see valid options in [win.setBackgroundColor](browser-window.md#winsetbackgroundcolorbackgroundcolor).
## Parent and child windows
@@ -146,20 +161,20 @@ It creates a new `BrowserWindow` with native properties as set by the `options`.
*`useContentSize` boolean (optional) - The `width` and `height` would be used as web
page's size, which means the actual window's size will include window
frame's size and be slightly larger. Default is `false`.
*`center` boolean (optional) - Show window in the center of the screen.
*`center` boolean (optional) - Show window in the center of the screen. Default is `false`.
*`minWidth` Integer (optional) - Window's minimum width. Default is `0`.
*`minHeight` Integer (optional) - Window's minimum height. Default is `0`.
*`maxWidth` Integer (optional) - Window's maximum width. Default is no limit.
*`maxHeight` Integer (optional) - Window's maximum height. Default is no limit.
*`resizable` boolean (optional) - Whether window is resizable. Default is `true`.
*`movable` boolean (optional) - Whether window is movable. This is not implemented
on Linux. Default is `true`.
*`minimizable` boolean (optional) - Whether window is minimizable. This is not
implemented on Linux. Default is `true`.
*`maximizable` boolean (optional) - Whether window is maximizable. This is not
implemented on Linux. Default is `true`.
*`closable` boolean (optional) - Whether window is closable. This is not implemented
on Linux. Default is `true`.
*`movable` boolean (optional) _macOS__Windows_ - Whether window is
movable. This is not implemented on Linux. Default is `true`.
*`minimizable` boolean (optional) _macOS__Windows_ - Whether window is
minimizable. This is not implemented on Linux. Default is `true`.
*`maximizable` boolean (optional) _macOS__Windows_ - Whether window is
maximizable. This is not implemented on Linux. Default is `true`.
*`closable` boolean (optional) _macOS__Windows_ - Whether window is
closable. This is not implemented on Linux. Default is `true`.
*`focusable` boolean (optional) - Whether the window can be focused. Default is
`true`. On Windows setting `focusable: false` also implies setting
`skipTaskbar: true`. On Linux setting `focusable: false` makes the window
@@ -173,9 +188,11 @@ It creates a new `BrowserWindow` with native properties as set by the `options`.
*`fullscreenable` boolean (optional) - Whether the window can be put into fullscreen
mode. On macOS, also whether the maximize/zoom button should toggle full
screen mode or maximize window. Default is `true`.
*`simpleFullscreen` boolean (optional) - Use pre-Lion fullscreen on macOS. Default is `false`.
*`skipTaskbar` boolean (optional) - Whether to show the window in taskbar. Default is
`false`.
*`simpleFullscreen` boolean (optional)_macOS_ - Use pre-Lion fullscreen on
macOS. Default is`false`.
*`skipTaskbar` boolean (optional) _macOS__Windows_ - Whether to show the window in taskbar.
Default is `false`.
*`hiddenInMissionControl` boolean (optional) _macOS_ - Whether window should be hidden when the user toggles into mission control.
*`kiosk` boolean (optional) - Whether the window is in kiosk mode. Default is `false`.
*`title` string (optional) - Default window title. Default is `"Electron"`. If the HTML tag `<title>` is defined in the HTML file loaded by `loadURL()`, this property will be ignored.
*`icon` ([NativeImage](native-image.md) | string) (optional) - The window icon. On Windows it is
@@ -189,29 +206,30 @@ It creates a new `BrowserWindow` with native properties as set by the `options`.
*`parent` BrowserWindow (optional) - Specify parent window. Default is `null`.
*`modal` boolean (optional) - Whether this is a modal window. This only works when the
window is a child window. Default is `false`.
*`acceptFirstMouse` boolean (optional) - Whether clicking an inactive window will also
click through to the web contents. Default is`false` on macOS. This option is not
configurable on other platforms.
*`acceptFirstMouse` boolean (optional)_macOS_ - Whether clicking an
inactive window will also click through to the web contents. Default is
`false` on macOS. This option is not configurable on other platforms.
*`disableAutoHideCursor` boolean (optional) - Whether to hide cursor when typing.
Default is `false`.
*`autoHideMenuBar` boolean (optional) - Auto hide the menu bar unless the `Alt`
key is pressed. Default is `false`.
*`enableLargerThanScreen` boolean (optional) - Enable the window to be resized larger
than screen. Only relevant for macOS, as other OSes allow
larger-than-screen windows by default. Default is `false`.
*`backgroundColor` string (optional) - Window's background color as a hexadecimal value,
like `#66CD00` or `#FFF` or `#80FFFFFF` (alpha in #AARRGGBB format is supported if
`transparent` is set to `true`). Default is `#FFF` (white).
*`enableLargerThanScreen` boolean (optional)_macOS_ - Enable the window to
be resized larger than screen. Only relevant for macOS, as other OSes
allow larger-than-screen windows by default. Default is `false`.
*`backgroundColor` string (optional) - The window's background color in Hex, RGB, RGBA, HSL, HSLA or named CSS color format. Alpha in #AARRGGBB format is supported if `transparent` is set to `true`. Default is `#FFF` (white). See [win.setBackgroundColor](browser-window.md#winsetbackgroundcolorbackgroundcolor) for more information.
*`hasShadow` boolean (optional) - Whether window should have a shadow. Default is `true`.
*`opacity` number (optional) - Set the initial opacity of the window, between 0.0 (fully
transparent) and 1.0 (fully opaque). This is only implemented on Windows and macOS.
*`opacity` number (optional) _macOS__Windows_ - Set the initial opacity of
the window, between 0.0 (fully transparent) and 1.0 (fully opaque). This
is only implemented on Windows and macOS.
*`darkTheme` boolean (optional) - Forces using dark theme for the window, only works on
some GTK+3 desktop environments. Default is `false`.
*`transparent` boolean (optional) - Makes the window [transparent](../tutorial/window-customization.md#create-transparent-windows).
Default is `false`. On Windows, does not work unless the window is frameless.
*`type` string (optional) - The type of window, default is normal window. See more about
this below.
*`visualEffectState` string (optional) - Specify how the material appearance should reflect window activity state on macOS. Must be used with the `vibrancy` property. Possible values are:
*`visualEffectState` string (optional)_macOS_ - Specify how the material
appearance should reflect window activity state on macOS. Must be used
with the `vibrancy` property. Possible values are:
*`followWindow` - The backdrop should automatically appear active when the window is active, and inactive when it is not. This is the default.
*`active` - The backdrop should always appear active.
*`inactive` - The backdrop should always appear inactive.
@@ -219,36 +237,42 @@ It creates a new `BrowserWindow` with native properties as set by the `options`.
Default is `default`. Possible values are:
*`default` - Results in the standard title bar for macOS or Windows respectively.
*`hidden` - Results in a hidden title bar and a full size content window. On macOS, the window still has the standard window controls (“traffic lights”) in the top left. On Windows, when combined with `titleBarOverlay: true` it will activate the Window Controls Overlay (see `titleBarOverlay` for more information), otherwise no window controls will be shown.
*`hiddenInset` - Only on macOS, results in a hidden title bar with an alternative look
where the traffic light buttons are slightly more inset from the window edge.
*`customButtonsOnHover` - Only on macOS, results in a hidden title bar and a full size
content window, the traffic light buttons will display when being hovered
over in the top left of the window. **Note:** This option is currently
experimental.
*`trafficLightPosition` [Point](structures/point.md) (optional) - Set a
custom position for the traffic light buttons in frameless windows.
*`roundedCorners` boolean (optional) - Whether frameless window should have
rounded corners on macOS. Default is `true`.
*`fullscreenWindowTitle` boolean (optional) _Deprecated_ - Shows the title in
the title bar in full screen mode on macOS for `hiddenInset` titleBarStyle.
Default is `false`.
*`hiddenInset`_macOS_ - Only on macOS, results in a hidden title bar
with an alternative look where the traffic light buttons are slightly
more inset from the window edge.
*`customButtonsOnHover`_macOS_ - Only on macOS, results in a hidden
title bar and a full size content window, the traffic light buttons will
display when being hovered over in the top left of the window.
the title in the title bar in full screen mode on macOS for `hiddenInset`
titleBarStyle. Default is `false`.
*`thickFrame` boolean (optional) - Use `WS_THICKFRAME` style for frameless windows on
Windows, which adds standard window frame. Setting it to `false` will remove
window shadow and window animations. Default is `true`.
*`vibrancy` string (optional) - Add a type of vibrancy effect to the window, only on
macOS. Can be `appearance-based`, `light`, `dark`,`titlebar`, `selection`,
`menu`, `popover`, `sidebar`, `medium-light`, `ultra-dark`, `header`, `sheet`, `window`, `hud`, `fullscreen-ui`, `tooltip`, `content`, `under-window`, or `under-page`. Please note that `appearance-based`, `light`, `dark`, `medium-light`, and `ultra-dark` are deprecated and have been removed in macOS Catalina (10.15).
*`zoomToPageWidth` boolean (optional) - Controls the behavior on macOS when
option-clicking the green stoplight button on the toolbar or by clicking the
Window > Zoom menu item. If `true`, the window will grow to the preferred
width of the web page when zoomed, `false` will cause it to zoom to the
width of the screen. This will also affect the behavior when calling
`maximize()` directly. Default is `false`.
*`tabbingIdentifier` string (optional) - Tab group name, allows opening the
window as a native tab on macOS 10.12+. Windows with the same tabbing
identifier will be grouped together. This also adds a native new tab button
to your window's tab bar and allows your `app` and window to receive the
`new-window-for-tab` event.
*`vibrancy` string (optional)_macOS_ - Add a type of vibrancy effect to
the window, only on macOS. Can be `appearance-based`, `light`, `dark`,
`tooltip`, `content`, `under-window`, or `under-page`. Please note that
`appearance-based`, `light`, `dark`, `medium-light`, and `ultra-dark` are
deprecated and have been removed in macOS Catalina (10.15).
*`zoomToPageWidth` boolean (optional) _macOS_ - Controls the behavior on
macOS when option-clicking the green stoplight button on the toolbar or by
clicking the Window > Zoom menu item. If `true`, the window will grow to
the preferred width of the web page when zoomed, `false` will cause it to
zoom to the width of the screen. This will also affect the behavior when
calling `maximize()` directly. Default is `false`.
*`tabbingIdentifier` string (optional) _macOS_ - Tab group name, allows
opening the window as a native tab. Windows with the same
tabbing identifier will be grouped together. This also adds a native new
tab button to your window's tab bar and allows your `app` and window to
receive the `new-window-for-tab` event.
*`webPreferences` Object (optional) - Settings of web page's features.
*`devTools` boolean (optional) - Whether to enable DevTools. If it is set to `false`, can not use `BrowserWindow.webContents.openDevTools()` to open DevTools. Default is `true`.
*`nodeIntegration` boolean (optional) - Whether node integration is enabled.
@@ -300,8 +324,8 @@ It creates a new `BrowserWindow` with native properties as set by the `options`.
*`plugins` boolean (optional) - Whether plugins should be enabled. Default is `false`.
* Options are listed in [SkParseColor.cpp](https://source.chromium.org/chromium/chromium/src/+/main:third_party/skia/src/utils/SkParseColor.cpp;l=11-152;drc=eea4bf52cb0d55e2a39c828b017c80a5ee054148)
* Similar to CSS Color Module Level 3 keywords, but case-sensitive.
* e.g. `blueviolet` or `red`
Sets the background color of the window. See [Setting `backgroundColor`](#setting-the-backgroundcolor-property).
*`worldId` Integer - The ID of the world to inject the API into. `0` is the default world, `999` is the world used by Electron's `contextIsolation` feature. Using 999 would expose the object for preload context. We recommend using 1000+ while creating isolated world.
*`apiKey` string - The key to inject the API onto `window` with. The API will be accessible on `window[apiKey]`.
*`api` any - Your API, more information on what this API can be and how it works is available below.
@@ -139,8 +139,7 @@ green and non-draggable regions will be colored red to aid debugging.
### `ELECTRON_DEBUG_NOTIFICATIONS`
Adds extra logs to [`Notification`](./notification.md) lifecycles on macOS to aid in debugging. Extra logging will be displayed when new Notifications are created or activated. They will also be displayed when common a
tions are taken: a notification is shown, dismissed, its button is clicked, or it is replied to.
Adds extra logs to [`Notification`](./notification.md) lifecycles on macOS to aid in debugging. Extra logging will be displayed when new Notifications are created or activated. They will also be displayed when common actions are taken: a notification is shown, dismissed, its button is clicked, or it is replied to.
*`role` string (optional) - Can be `undo`, `redo`, `cut`, `copy`, `paste`, `pasteAndMatchStyle`, `delete`, `selectAll`, `reload`, `forceReload`, `toggleDevTools`, `resetZoom`, `zoomIn`, `zoomOut`, `toggleSpellChecker`, `togglefullscreen`, `window`, `minimize`, `close`, `help`, `about`, `services`, `hide`, `hideOthers`, `unhide`, `quit`, 'showSubstitutions', 'toggleSmartQuotes', 'toggleSmartDashes', 'toggleTextReplacement', `startSpeaking`, `stopSpeaking`, `zoom`, `front`, `appMenu`, `fileMenu`, `editMenu`, `viewMenu`, `shareMenu`, `recentDocuments`, `toggleTabBar`, `selectNextTab`, `selectPreviousTab`, `mergeAllWindows`, `clearRecentDocuments`, `moveTabToNewWindow` or `windowMenu` - Define the action of the menu item, when specified the
*`role` string (optional) - Can be `undo`, `redo`, `cut`, `copy`, `paste`, `pasteAndMatchStyle`, `delete`, `selectAll`, `reload`, `forceReload`, `toggleDevTools`, `resetZoom`, `zoomIn`, `zoomOut`, `toggleSpellChecker`, `togglefullscreen`, `window`, `minimize`, `close`, `help`, `about`, `services`, `hide`, `hideOthers`, `unhide`, `quit`, `showSubstitutions`, `toggleSmartQuotes`, `toggleSmartDashes`, `toggleTextReplacement`, `startSpeaking`, `stopSpeaking`, `zoom`, `front`, `appMenu`, `fileMenu`, `editMenu`, `viewMenu`, `shareMenu`, `recentDocuments`, `toggleTabBar`, `selectNextTab`, `selectPreviousTab`, `mergeAllWindows`, `clearRecentDocuments`, `moveTabToNewWindow` or `windowMenu` - Define the action of the menu item, when specified the
`click` property will be ignored. See [roles](#roles).
*`type` string (optional) - Can be `normal`, `separator`, `submenu`, `checkbox` or
`radio`.
@@ -51,7 +51,7 @@ See [`Menu`](menu.md) for examples.
the placement of their containing group after the containing group of the item
with the specified label.
**Note:**`acceleratorWorksWhenHidden` is specified as being macOS-only because accelerators always work when items are hidden on Windows and Linux. The option is exposed to users to give them the option to turn it off, as this is possible in native macOS development. This property is only usable on macOS High Sierra 10.13 or newer.
**Note:**`acceleratorWorksWhenHidden` is specified as being macOS-only because accelerators always work when items are hidden on Windows and Linux. The option is exposed to users to give them the option to turn it off, as this is possible in native macOS development.
Registers the app with Apple Push Notification service (APNS) to receive [Badge, Sound, and Alert](https://developer.apple.com/documentation/appkit/sremotenotificationtype?language=objc) notifications. If registration is successful, the promise will be resolved with the APNS device token. Otherwise, the promise will be rejected with an error message.
Emitted when a new HID device becomes available. For example, when a new USB device is plugged in.
This event will only be emitted after `navigator.hid.requestDevice` has been called and `select-hid-device` has fired.
Emitted after `navigator.hid.requestDevice` has been called and
`select-hid-device` has fired if a new device becomes available before
the callback from `select-hid-device` is called. This event is intended for
use when using a UI to ask users to pick a device so that the UI can be updated
with the newly added device.
#### Event: 'hid-device-removed'
@@ -266,9 +268,24 @@ Returns:
*`device` [HIDDevice[]](structures/hid-device.md)
*`frame` [WebFrameMain](web-frame-main.md)
Emitted when a HID device has been removed. For example, this event will fire when a USB device is unplugged.
Emitted after `navigator.hid.requestDevice` has been called and
`select-hid-device` has fired if a device has been removed before the callback
from `select-hid-device` is called. This event is intended for use when using
a UI to ask users to pick a device so that the UI can be updated to remove the
specified device.
This event will only be emitted after `navigator.hid.requestDevice` has been called and `select-hid-device` has fired.
#### Event: 'hid-device-revoked'
Returns:
*`event` Event
*`details` Object
*`device` [HIDDevice[]](structures/hid-device.md)
*`origin` string (optional) - The origin that the device has been revoked from.
Emitted after `HIDDevice.forget()` has been called. This event can be used
to help maintain persistent storage of permissions when
`setDevicePermissionHandler` is used.
#### Event: 'select-serial-port'
@@ -348,7 +365,11 @@ Returns:
*`port` [SerialPort](structures/serial-port.md)
*`webContents` [WebContents](web-contents.md)
Emitted after `navigator.serial.requestPort` has been called and`select-serial-port` has fired if a new serial port becomes available. For example, this event will fire when a new USB device is plugged in.
Emitted after `navigator.serial.requestPort` has been called and
`select-serial-port` has fired if a new serial port becomes available before
the callback from `select-serial-port` is called. This event is intended for
use when using a UI to ask users to pick a port so that the UI can be updated
with the newly added port.
#### Event: 'serial-port-removed'
@@ -358,7 +379,55 @@ Returns:
*`port` [SerialPort](structures/serial-port.md)
*`webContents` [WebContents](web-contents.md)
Emitted after `navigator.serial.requestPort` has been called and`select-serial-port` has fired if a serial port has been removed. For example, this event will fire when a USB device is unplugged.
Emitted after `navigator.serial.requestPort` has been called and
`select-serial-port` has fired if a serial port has been removed before the
callback from `select-serial-port` is called. This event is intended for use
when using a UI to ask users to pick a port so that the UI can be updated
to remove the specified port.
#### Event: 'serial-port-revoked'
Returns:
*`event` Event
*`details` Object
*`port` [SerialPort](structures/serial-port.md)
*`frame` [WebFrameMain](web-frame-main.md)
*`origin` string - The origin that the device has been revoked from.
Emitted after `SerialPort.forget()` has been called. This event can be used
to help maintain persistent storage of permissions when `setDevicePermissionHandler` is used.
*`webContents` [WebContents](web-contents.md) - WebContents requesting the permission. Please note that if the request comes from a subframe you should use `requestingUrl` to check the request origin.
*`permission` string - The type of requested permission.
*`clipboard-read` - Request access to read from the clipboard.
*`clipboard-sanitized-write` - Request access to write to the clipboard.
*`media` - Request access to media devices such as camera, microphone and speakers.
*`display-capture` - Request access to capture the screen.
*`mediaKeySystem` - Request access to DRM protected content.
*`notifications` - Request notification creation and the ability to display them in the user's system tray.
*`midi` - Request MIDI access in the `webmidi` API.
*`midiSysex` - Request the use of system exclusive messages in the `webmidi` API.
*`pointerLock` - Request to directly interpret mouse movements as an input method. Click [here](https://developer.mozilla.org/en-US/docs/Web/API/Pointer_Lock_API) to know more.
*`pointerLock` - Request to directly interpret mouse movements as an input method. Click [here](https://developer.mozilla.org/en-US/docs/Web/API/Pointer_Lock_API) to know more. These requests always appear to originate from the main frame.
*`fullscreen` - Request for the app to enter fullscreen mode.
*`openExternal` - Request to open links in external applications.
*`window-placement` - Request access to enumerate screens using the [`getScreenDetails`](https://developer.chrome.com/en/articles/multi-screen-window-placement/) API.
*`unknown` - An unrecognized permission request
*`callback` Function
*`permissionGranted` boolean - Allow or deny the permission.
Returns `Promise<void>` - Resolves when the operation is complete.
@@ -868,6 +1057,20 @@ this session just before normal `preload` scripts run.
Returns `string[]` an array of paths to preload scripts that have been
registered.
#### `ses.setCodeCachePath(path)`
*`path` String - Absolute path to store the v8 generated JS code cache from the renderer.
Sets the directory to store the generated JS [code cache](https://v8.dev/blog/code-caching-for-devs) for this session. The directory is not required to be created by the user before this call, the runtime will create if it does not exist otherwise will use the existing directory. If directory cannot be created, then code cache will not be used and all operations related to code cache will fail silently inside the runtime. By default, the directory will be `Code Cache` under the
respective user data folder.
#### `ses.clearCodeCaches(options)`
*`options` Object
*`urls` String[] (optional) - An array of url corresponding to the resource whose generated code cache needs to be removed. If the list is empty then all entries in the cache directory will be removed.
Returns `Promise<void>` - resolves when the code cache clear operation is complete.
#### `ses.setSpellCheckerEnabled(enable)`
*`enable` boolean
@@ -894,7 +1097,7 @@ Returns `string[]` - An array of language codes the spellchecker is enabled for.
will fallback to using `en-US`. By default on launch if this setting is an empty list Electron will try to populate this
setting with the current OS locale. This setting is persisted across restarts.
**Note:** On macOS the OS spellchecker is used and has its own list of languages. This API is a no-op on macOS.
**Note:** On macOS the OS spellchecker is used and has its own list of languages. On macOS, this API will return whichever languages have been configured by the OS.
*`urls` string[] - Array of URL patterns that will be used to filter out the requests that do not match the URL patterns.
*`urls` string[] - Array of [URL patterns](https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Match_patterns) that will be used to filter out the requests that do not match the URL patterns.
@@ -109,9 +109,11 @@ example values of `event` are:
*`AppleColorPreferencesChangedNotification`
*`AppleShowScrollBarsSettingChanged`
If `event` is null, the `NSDistributedNotificationCenter` doesn’t use it as criteria for delivery to the observer. See [docs](https://developer.apple.com/documentation/foundation/nsnotificationcenter/1411723-addobserverforname?language=objc) for more information.
@@ -122,9 +124,11 @@ Returns `number` - The ID of this subscription
Same as `subscribeNotification`, but uses `NSNotificationCenter` for local defaults.
This is necessary for events such as `NSUserDefaultsDidChangeNotification`.
If `event` is null, the `NSNotificationCenter` doesn’t use it as criteria for delivery to the observer. See [docs](https://developer.apple.com/documentation/foundation/nsnotificationcenter/1411723-addobserverforname?language=objc) for more information.
@@ -135,6 +139,8 @@ Returns `number` - The ID of this subscription
Same as `subscribeNotification`, but uses `NSWorkspace.sharedWorkspace.notificationCenter`.
This is necessary for events such as `NSWorkspaceDidActivateApplicationNotification`.
If `event` is null, the `NSWorkspaceNotificationCenter` doesn’t use it as criteria for delivery to the observer. See [docs](https://developer.apple.com/documentation/foundation/nsnotificationcenter/1411723-addobserverforname?language=objc) for more information.
*`reason` string - The reason you are asking for Touch ID authentication
@@ -408,8 +412,6 @@ systemPreferences.promptTouchID('To get consent for a Security-Gated Thing').the
This API itself will not protect your user data; rather, it is a mechanism to allow you to do so. Native apps will need to set [Access Control Constants](https://developer.apple.com/documentation/security/secaccesscontrolcreateflags?language=objc) like [`kSecAccessControlUserPresence`](https://developer.apple.com/documentation/security/secaccesscontrolcreateflags/ksecaccesscontroluserpresence?language=objc) on their keychain entry so that reading it would auto-prompt for Touch ID biometric consent. This could be done with [`node-keytar`](https://github.com/atom/node-keytar), such that one would store an encryption key with `node-keytar` and only fetch it if `promptTouchID()` resolves.
**NOTE:** This API will return a rejected Promise on macOS systems older than Sierra 10.12.2.
*`prompt` boolean - whether or not the user will be informed via prompt if the current process is untrusted.
@@ -422,7 +424,7 @@ Returns `boolean` - `true` if the current process is a trusted accessibility cli
Returns `string` - Can be `not-determined`, `granted`, `denied`, `restricted` or `unknown`.
This user consent was not required on macOS 10.13 High Sierra or lower so this method will always return `granted`.
This user consent was not required on macOS 10.13 High Sierra so this method will always return `granted`.
macOS 10.14 Mojave or higher requires consent for `microphone` and `camera` access.
macOS 10.15 Catalina or higher requires consent for `screen` access.
@@ -435,9 +437,9 @@ It will always return `granted` for `screen` and for all media types on older ve
Returns `Promise<boolean>` - A promise that resolves with `true` if consent was granted and `false` if it was denied. If an invalid `mediaType` is passed, the promise will be rejected. If an access request was denied and later is changed through the System Preferences pane, a restart of the app will be required for the new permissions to take effect. If access has already been requested and denied, it _must_ be changed through the preference pane; an alert will not pop up and the promise will resolve with the existing access status.
**Important:** In order to properly leverage this API, you [must set](https://developer.apple.com/documentation/avfoundation/cameras_and_media_capture/requesting_authorization_for_media_capture_on_macos?language=objc) the `NSMicrophoneUsageDescription` and `NSCameraUsageDescription` strings in your app's `Info.plist` file. The values for these keys will be used to populate the permission dialogs so that the user will be properly informed as to the purpose of the permission request. See [Electron Application Distribution](../tutorial/application-distribution.md#macos) for more information about how to set these in the context of Electron.
**Important:** In order to properly leverage this API, you [must set](https://developer.apple.com/documentation/avfoundation/cameras_and_media_capture/requesting_authorization_for_media_capture_on_macos?language=objc) the `NSMicrophoneUsageDescription` and `NSCameraUsageDescription` strings in your app's `Info.plist` file. The values for these keys will be used to populate the permission dialogs so that the user will be properly informed as to the purpose of the permission request. See [Electron Application Distribution](../tutorial/application-distribution.md#rebranding-with-downloaded-binaries) for more information about how to set these in the context of Electron.
This user consent was not required until macOS 10.14 Mojave, so this method will always return `true` if your system is running 10.13 High Sierra or lower.
This user consent was not required until macOS 10.14 Mojave, so this method will always return `true` if your system is running 10.13 High Sierra.
by default, when it is not available in user's desktop environment the
`GtkStatusIcon` will be used instead.
*On Linux distributions that only have app indicator support, you have to
install `libappindicator1` to make the tray icon work.
* App indicator will only be shown when it has a context menu.
* When app indicator is used on Linux, the `click` event is ignored.
*On Linux in order for changes made to individual `MenuItem`s to take effect,
*The `click` event is emitted when the tray icon receives activation from
user, however the StatusNotifierItem spec does not specify which action would
cause an activation, for some environments it is left mouse click, but for
some it might be double left mouse click.
*In order for changes made to individual `MenuItem`s to take effect,
you have to call `setContextMenu` again. For example:
```javascript
@@ -55,10 +58,16 @@ app.whenReady().then(() => {
})
```
* On Windows it is recommended to use `ICO` icons to get best visual effects.
__MacOS__
If you want to keep exact same behaviors on all platforms, you should not
rely on the `click` event and always attach a context menu to the tray icon.
* Icons passed to the Tray constructor should be [Template Images](native-image.md#template-image).
* To make sure your icon isn't grainy on retina monitors, be sure your `@2x` image is 144dpi.
* If you are bundling your application (e.g., with webpack for development), be sure that the file names are not being mangled or hashed. The filename needs to end in Template, and the `@2x` image needs to have the same filename as the standard image, or MacOS will not magically invert your image's colors or use the high density image.
* 16x16 (72dpi) and 32x32@2x (144dpi) work well for most icons.
__Windows__
* It is recommended to use `ICO` icons to get best visual effects.
### `new Tray(image, [guid])`
@@ -81,6 +90,9 @@ Returns:
Emitted when the tray icon is clicked.
Note that on Linux this event is emitted when the tray icon receives an
activation, which might not necessarily be left mouse click.
#### Event: 'right-click' _macOS_ _Windows_
Returns:
@@ -223,7 +235,7 @@ Sets the hover text for this tray icon.
*`title` string
*`options` Object (optional)
*`fontType` string (optional) - The font family variant to display, can be `monospaced` or `monospacedDigit`. `monospaced` is available in macOS 10.15+ and `monospacedDigit` is available in macOS 10.11+. When left blank, the title uses the default system font.
*`fontType` string (optional) - The font family variant to display, can be `monospaced` or `monospacedDigit`. `monospaced` is available in macOS 10.15+ When left blank, the title uses the default system font.
Sets the title displayed next to the tray icon in the status bar (Support ANSI colors).
@@ -35,7 +35,7 @@ for all windows, webviews, opened devtools, and devtools extension background pa
### `webContents.getFocusedWebContents()`
Returns `WebContents` - The web contents that is focused in this application, otherwise
Returns `WebContents` | null - The web contents that is focused in this application, otherwise
returns `null`.
### `webContents.fromId(id)`
@@ -45,6 +45,13 @@ returns `null`.
Returns `WebContents` | undefined - A WebContents instance with the given ID, or
`undefined` if there is no WebContents associated with the given ID.
### `webContents.fromFrame(frame)`
*`frame` WebFrameMain
Returns `WebContents` | undefined - A WebContents instance with the given WebFrameMain, or
`undefined` if there is no WebContents associated with the given WebFrameMain.
### `webContents.fromDevToolsTargetId(targetId)`
*`targetId` string - The Chrome DevTools Protocol [TargetID](https://chromedevtools.github.io/devtools-protocol/tot/Target/#type-TargetID) associated with the WebContents instance.
@@ -92,7 +99,7 @@ Returns:
*`frameRoutingId` Integer
This event is like `did-finish-load` but emitted when the load failed.
The full list of error codes and their meaning is available [here](https://source.chromium.org/chromium/chromium/src/+/master:net/base/net_error_list.h).
The full list of error codes and their meaning is available [here](https://source.chromium.org/chromium/chromium/src/+/main:net/base/net_error_list.h).
#### Event: 'did-fail-provisional-load'
@@ -130,10 +137,6 @@ Corresponds to the points in time when the spinner of the tab stopped spinning.
#### Event: 'dom-ready'
Returns:
*`event` Event
Emitted when the document in the top-level frame is loaded.
#### Event: 'page-title-updated'
@@ -156,63 +159,17 @@ Returns:
Emitted when page receives favicon urls.
#### Event: 'new-window' _Deprecated_
#### Event: 'content-bounds-updated'
Returns:
*`event`NewWindowWebContentsEvent
*`url` string
*`frameName` string
*`disposition` string - Can be `default`, `foreground-tab`, `background-tab`,
`new-window`, `save-to-disk` and `other`.
*`options` BrowserWindowConstructorOptions - The options which will be used for creating the new
[`BrowserWindow`](browser-window.md).
*`additionalFeatures` string[] - The non-standard features (features not handled
by Chromium or Electron) given to `window.open()`. Deprecated, and will now
always be the empty array `[]`.
*`referrer` [Referrer](structures/referrer.md) - The referrer that will be
passed to the new window. May or may not result in the `Referer` header being
sent, depending on the referrer policy.
*`postBody` [PostBody](structures/post-body.md) (optional) - The post data that
will be sent to the new window, along with the appropriate headers that will
be set. If no post data is to be sent, the value will be `null`. Only defined
when the window is being created by a form that set `target=_blank`.
*`event` Event
*`bounds` [Rectangle](structures/rectangle.md) - requested new content bounds
Deprecated in favor of [`webContents.setWindowOpenHandler`](web-contents.md#contentssetwindowopenhandlerhandler).
Emitted when the page calls `window.moveTo`, `window.resizeTo` or related APIs.
Emitted when the page requests to open a new window for a `url`. It could be
requested by `window.open` or an external link like `<a target='_blank'>`.
By default a new `BrowserWindow` will be created for the `url`.
Calling `event.preventDefault()` will prevent Electron from automatically creating a
new [`BrowserWindow`](browser-window.md). If you call `event.preventDefault()` and manually create a new
[`BrowserWindow`](browser-window.md) then you must set `event.newGuest` to reference the new [`BrowserWindow`](browser-window.md)
instance, failing to do so may result in unexpected behavior. For example:
Emitted when an input event is sent to the WebContents. See
[InputEvent](structures/input-event.md) for details.
#### Event: 'before-input-event'
Returns:
@@ -516,6 +483,15 @@ Emitted when the `WebContents` loses focus.
Emitted when the `WebContents` gains focus.
Note that on macOS, having focus means the `WebContents` is the first responder
of window, so switching focus between windows would not trigger the `focus` and
`blur` events of `WebContents`, as the first responder of each window is not
changed.
The `focus` and `blur` events of `WebContents` should only be used to detect
focus change between different `WebContents` and `BrowserView` in the same
window.
#### Event: 'devtools-opened'
Emitted when DevTools is opened.
@@ -811,9 +787,6 @@ This event can be used to configure `webPreferences` for the `webContents`
of a `<webview>` before it's loaded, and provides the ability to set settings
that can't be set via `<webview>` attributes.
**Note:** The specified `preload` script option will appear as `preloadURL`
(not `preload`) in the `webPreferences` object emitted with this event.
#### Event: 'did-attach-webview'
Returns:
@@ -856,6 +829,8 @@ Returns:
Emitted when the renderer process sends an asynchronous message via `ipcRenderer.send()`.
See also [`webContents.ipc`](#contentsipc-readonly), which provides an [`IpcMain`](ipc-main.md)-like interface for responding to IPC messages specifically from this WebContents.
#### Event: 'ipc-message-sync'
Returns:
@@ -866,6 +841,8 @@ Returns:
Emitted when the renderer process sends a synchronous message via `ipcRenderer.sendSync()`.
See also [`webContents.ipc`](#contentsipc-readonly), which provides an [`IpcMain`](ipc-main.md)-like interface for responding to IPC messages specifically from this WebContents.
#### Event: 'preferred-size-changed'
Returns:
@@ -974,6 +951,21 @@ Returns `string` - The title of the current web page.
Returns `boolean` - Whether the web page is destroyed.
#### `contents.close([opts])`
*`opts` Object (optional)
*`waitForBeforeUnload` boolean - if true, fire the `beforeunload` event
before closing the page. If the page prevents the unload, the WebContents
will not be closed. The [`will-prevent-unload`](#event-will-prevent-unload)
will be fired if the page requests prevention of unload.
Closes the page, as if the web content had called `window.close()`.
If the page is successfully closed (i.e. the unload is not prevented by the
page, or `waitForBeforeUnload` is false or unspecified), the WebContents will
be destroyed and no longer usable. The [`destroyed`](#event-destroyed) event
will be emitted.
#### `contents.focus()`
Focuses the web page.
@@ -1092,7 +1084,7 @@ Returns `string` - The user agent for this web page.
*`css` string
*`options` Object (optional)
*`cssOrigin` string (optional) - Can be either 'user' or 'author'; Specifying 'user' enables you to prevent websites from overriding the CSS you insert. Default is 'author'.
*`cssOrigin` string (optional) - Can be either 'user' or 'author'. Sets the [cascade origin](https://www.w3.org/TR/css3-cascade/#cascade-origin) of the inserted stylesheet. Default is 'author'.
Returns `Promise<string>` - A promise that resolves with a key for the inserted CSS that can later be used to remove the CSS via `contents.removeInsertedCSS(key)`.
@@ -1163,7 +1155,7 @@ Ignore application menu shortcuts while this web contents is focused.
*`url` string - The _resolved_ version of the URL passed to `window.open()`. e.g. opening a window with `window.open('foo')` will yield something like `https://the-origin/the/current/path/foo`.
*`frameName` string - Name of the window provided in `window.open()`
@@ -1178,8 +1170,11 @@ Ignore application menu shortcuts while this web contents is focused.
be set. If no post data is to be sent, the value will be `null`. Only defined
when the window is being created by a form that set `target=_blank`.
Returns `{action: 'deny'} | {action: 'allow', overrideBrowserWindowOptions?: BrowserWindowConstructorOptions}` - `deny` cancels the creation of the new
Returns `{action: 'deny'} | {action: 'allow', outlivesOpener?: boolean, overrideBrowserWindowOptions?: BrowserWindowConstructorOptions}` - `deny` cancels the creation of the new
window. `allow` will allow the new window to be created. Specifying `overrideBrowserWindowOptions` allows customization of the created window.
By default, child windows are closed when their opener is closed. This can be
changed by specifying `outlivesOpener: true`, in which case the opened window
will not be closed when its opener is closed.
Returning an unrecognized value such as a null, undefined, or an object
without a recognized 'action' value will result in a console error and have
the same effect as returning `{action: 'deny'}`.
@@ -1421,8 +1416,8 @@ Returns `Promise<PrinterInfo[]>` - Resolves with a [`PrinterInfo[]`](structures/
*`vertical` number (optional) - The vertical dpi.
*`header` string (optional) - string to be printed as page header.
*`footer` string (optional) - string to be printed as page footer.
*`pageSize` string | Size (optional) - Specify page size of the printed document. Can be `A3`,
`A4`, `A5`, `Legal`, `Letter`, `Tabloid` or an Object containing `height`.
*`pageSize` string | Size (optional) - Specify page size of the printed document. Can be `A0`, `A1`, `A2`, `A3`,
`A4`, `A5`,`A6`,`Legal`, `Letter`, `Tabloid` or an Object containing `height` and `width`.
*`callback` Function (optional)
*`success` boolean - Indicates success of the print call.
*`failureReason` string - Error description called back if the print fails.
*`headerFooter` Record<string, string> (optional) - the header and footer for the PDF.
*`title` string - The title for the PDF header.
*`url` string - the url for the PDF footer.
*`landscape`boolean (optional) - `true` for landscape, `false` for portrait.
*`marginsType` Integer (optional) - Specifies the type of margins to use. Uses 0 for
default margin, 1 for no margin, and 2 for minimum margin.
*`scaleFactor` number (optional) - The scale factor of the web page. Can range from 0 to 100.
*`pageRanges` Record<string, number> (optional) - The page range to print.
*`from` number - Index of the first page to print (0-based).
*`to` number - Index of the last page to print (inclusive) (0-based).
*`pageSize` string | Size (optional) - Specify page size of the generated PDF. Can be `A3`,
`A4`, `A5`, `Legal`, `Letter`, `Tabloid` or an Object containing `height` and `width` in microns.
*`printBackground` boolean (optional) - Whether to print CSS backgrounds.
*`printSelectionOnly` boolean (optional) - Whether to print selection only.
*`landscape` boolean (optional) - Paper orientation.`true` for landscape, `false` for portrait. Defaults to false.
*`displayHeaderFooter` boolean (optional) - Whether to display header and footer. Defaults to false.
*`printBackground` boolean (optional) - Whether to print background graphics. Defaults to false.
*`scale`number(optional) - Scale of the webpage rendering. Defaults to 1.
*`pageSize` string | Size (optional) - Specify page size of the generated PDF. Can be `A0`, `A1`, `A2`, `A3`,
`A4`, `A5`, `A6`, `Legal`, `Letter`, `Tabloid`, `Ledger`, or an Object containing `height` and `width` in inches. Defaults to `Letter`.
*`margins` Object (optional)
*`top` number (optional) - Top margin in inches. Defaults to 1cm (~0.4 inches).
*`bottom` number (optional) - Bottom margin in inches. Defaults to 1cm (~0.4 inches).
*`left` number (optional) - Left margin in inches. Defaults to 1cm (~0.4 inches).
*`right` number (optional) - Right margin in inches. Defaults to 1cm (~0.4 inches).
*`pageRanges` string (optional) - Paper ranges to print, e.g., '1-5, 8, 11-13'. Defaults to the empty string, which means print all pages.
*`headerTemplate` string (optional) - HTML template for the print header. Should be valid HTML markup with following classes used to inject printing values into them: `date` (formatted print date), `title` (document title), `url` (document location), `pageNumber` (current page number) and `totalPages` (total pages in the document). For example, `<span class=title></span>` would generate span containing the title.
*`footerTemplate` string (optional) - HTML template for the print footer. Should use the same format as the `headerTemplate`.
*`preferCSSPageSize` boolean (optional) - Whether or not to prefer page size as defined by css. Defaults to false, in which case the content will be scaled to fit the paper size.
Returns `Promise<Buffer>` - Resolves with the generated PDF data.
Prints window's web page as PDF with Chromium's preview printing custom
settings.
Prints the window's web page as PDF.
The `landscape` will be ignored if `@page` CSS at-rule is used in the web page.
By default, an empty `options` will be regarded as:
```javascript
{
marginsType:0,
printBackground:false,
printSelectionOnly:false,
landscape:false,
pageSize:'A4',
scaleFactor:100
}
```
Use `page-break-before: always;` CSS style to force to print to a new page.
*`cssOrigin` string (optional) - Can be either 'user' or 'author'. Sets the [cascade origin](https://www.w3.org/TR/css3-cascade/#cascade-origin) of the inserted stylesheet. Default is 'author'.
Returns `string` - A key for the inserted CSS that can later be used to remove
@@ -158,9 +158,6 @@ When the guest page doesn't have node integration this script will still have
access to all Node APIs, but global objects injected by Node will be deleted
after this script has finished executing.
**Note:** This option will appear as `preloadURL` (not `preload`) in
the `webPreferences` specified to the `will-attach-webview` event.
### `httpreferrer`
```html
@@ -559,7 +556,7 @@ Stops any `findInPage` request for the `webview` with the provided `action`.
*`header` string (optional) - string to be printed as page header.
*`footer` string (optional) - string to be printed as page footer.
*`pageSize` string | Size (optional) - Specify page size of the printed document. Can be `A3`,
`A4`, `A5`, `Legal`, `Letter`, `Tabloid` or an Object containing `height`.
`A4`, `A5`, `Legal`, `Letter`, `Tabloid` or an Object containing `height` in microns.
Returns `Promise<void>`
@@ -568,21 +565,21 @@ Prints `webview`'s web page. Same as `webContents.print([options])`.
### `<webview>.printToPDF(options)`
*`options` Object
*`headerFooter` Record<string, string> (optional) - the header and footer for the PDF.
*`title` string - The title for the PDF header.
*`url` string - the url for the PDF footer.
*`landscape`boolean (optional) - `true` for landscape, `false` for portrait.
*`marginsType` Integer (optional) - Specifies the type of margins to use. Uses 0 for
default margin, 1 for no margin, and 2 for minimum margin.
and `width` in microns.
*`scaleFactor` number (optional) - The scale factor of the web page. Can range from 0 to 100.
*`pageRanges` Record<string, number> (optional) - The page range to print. On macOS, only the first range is honored.
*`from` number - Index of the first page to print (0-based).
*`to` number - Index of the last page to print (inclusive) (0-based).
*`pageSize` string | Size (optional) - Specify page size of the generated PDF. Can be `A3`,
`A4`, `A5`, `Legal`, `Letter`, `Tabloid` or an Object containing `height`
*`printBackground` boolean (optional) - Whether to print CSS backgrounds.
*`printSelectionOnly` boolean (optional) - Whether to print selection only.
*`landscape` boolean (optional) - Paper orientation.`true` for landscape, `false` for portrait. Defaults to false.
*`displayHeaderFooter` boolean (optional) - Whether to display header and footer. Defaults to false.
*`printBackground` boolean (optional) - Whether to print background graphics. Defaults to false.
*`scale`number(optional) - Scale of the webpage rendering. Defaults to 1.
*`pageSize` string | Size (optional) - Specify page size of the generated PDF. Can be `A0`, `A1`, `A2`, `A3`,
`A4`, `A5`, `A6`, `Legal`, `Letter`, `Tabloid`, `Ledger`, or an Object containing `height` and `width` in inches. Defaults to `Letter`.
*`margins` Object (optional)
*`top` number (optional) - Top margin in inches. Defaults to 1cm (~0.4 inches).
*`bottom` number (optional) - Bottom margin in inches. Defaults to 1cm (~0.4 inches).
*`left` number (optional) - Left margin in inches. Defaults to 1cm (~0.4 inches).
*`right` number (optional) - Right margin in inches. Defaults to 1cm (~0.4 inches).
*`pageRanges` string (optional) - Paper ranges to print, e.g., '1-5, 8, 11-13'. Defaults to the empty string, which means print all pages.
*`headerTemplate` string (optional) - HTML template for the print header. Should be valid HTML markup with following classes used to inject printing values into them: `date` (formatted print date), `title` (document title), `url` (document location), `pageNumber` (current page number) and `totalPages` (total pages in the document). For example, `<span class=title></span>` would generate span containing the title.
*`footerTemplate` string (optional) - HTML template for the print footer. Should use the same format as the `headerTemplate`.
*`preferCSSPageSize` boolean (optional) - Whether or not to prefer page size as defined by css. Defaults to false, in which case the content will be scaled to fit the paper size.
Returns `Promise<Uint8Array>` - Resolves with the generated PDF data.
@@ -73,6 +73,11 @@ creating the window. Note that this is more powerful than passing options
through the feature string, as the renderer has more limited privileges in
deciding security preferences than the main process.
In addition to passing in `action` and `overrideBrowserWindowOptions`,
`outlivesOpener` can be passed like: `{ action: 'allow', outlivesOpener: true,
overrideBrowserWindowOptions: { ... } }`. If set to `true`, the newly created
window will not close when the opener window closes. The default value is `false`.
### Native `Window` example
```javascript
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