Merge pull request #2783 from atom/fix-devtools-extension

Fix `BrowserWindow.addDevToolsExtension` not working

atom/browser/api/atom_api_web_contents.cc

@@ -547,6 +547,10 @@ void WebContents::LoadURL(const GURL& url, const mate::Dictionary& options) {
   web_contents()->GetController().LoadURLWithParams(params);
 }
 
+GURL WebContents::GetURL() const {
+  return web_contents()->GetURL();
+}
+
 base::string16 WebContents::GetTitle() const {
   return web_contents()->GetTitle();
 }
@@ -815,6 +819,7 @@ mate::ObjectTemplateBuilder WebContents::GetObjectTemplateBuilder(
         .SetMethod("getId", &WebContents::GetID)
         .SetMethod("equal", &WebContents::Equal)
         .SetMethod("_loadUrl", &WebContents::LoadURL)
+        .SetMethod("_getUrl", &WebContents::GetURL)
         .SetMethod("getTitle", &WebContents::GetTitle)
         .SetMethod("isLoading", &WebContents::IsLoading)
         .SetMethod("isWaitingForResponse", &WebContents::IsWaitingForResponse)

atom/browser/api/atom_api_web_contents.h

@@ -55,6 +55,7 @@ class WebContents : public mate::TrackableObject<WebContents>,
   int GetID() const;
   bool Equal(const WebContents* web_contents) const;
   void LoadURL(const GURL& url, const mate::Dictionary& options);
+  GURL GetURL() const;
   base::string16 GetTitle() const;
   bool IsLoading() const;
   bool IsWaitingForResponse() const;

atom/browser/api/atom_api_window.cc

@@ -183,21 +183,21 @@ void Window::OnDevToolsFocus() {
 }
 
 void Window::OnDevToolsOpened() {
-  Emit("devtools-opened");
-
   v8::Locker locker(isolate());
   v8::HandleScope handle_scope(isolate());
   auto handle = WebContents::CreateFrom(
       isolate(), api_web_contents_->GetDevToolsWebContents());
   devtools_web_contents_.Reset(isolate(), handle.ToV8());
+
+  Emit("devtools-opened");
 }
 
 void Window::OnDevToolsClosed() {
-  Emit("devtools-closed");
-
   v8::Locker locker(isolate());
   v8::HandleScope handle_scope(isolate());
   devtools_web_contents_.Reset();
+
+  Emit("devtools-closed");
 }
 
 void Window::OnExecuteWindowsCommand(const std::string& command_name) {

atom/browser/api/lib/navigation-controller.coffee

@@ -16,6 +16,11 @@ class NavigationController
   constructor: (@webContents) ->
     @clearHistory()
 
+    # webContents may have already navigated to a page.
+    if @webContents._getUrl()
+      @currentIndex++
+      @history.push @webContents._getUrl()
+
     @webContents.on 'navigation-entry-commited', (event, url, inPage, replaceEntry) =>
       if @inPageIndex > -1 and not inPage
         # Navigated to a new page, clear in-page mark.

atom/browser/api/lib/web-contents.coffee

@@ -44,10 +44,8 @@ wrapWebContents = (webContents) ->
 
   # Make sure webContents.executeJavaScript would run the code only when the
   # web contents has been loaded.
-  webContents.loaded = false
-  webContents.once 'did-finish-load', -> @loaded = true
   webContents.executeJavaScript = (code, hasUserGesture=false) ->
-    if @loaded
+    if @getUrl() and not @isLoading()
       @_executeJavaScript code, hasUserGesture
     else
       webContents.once 'did-finish-load', @_executeJavaScript.bind(this, code, hasUserGesture)

atom/browser/lib/chrome-extension.coffee

@@ -32,6 +32,7 @@ getExtensionInfoFromPath = (srcDirectory) ->
       startPage: page
       name: manifest.name
       srcDirectory: srcDirectory
+      exposeExperimentalAPIs: true
     extensionInfoMap[manifest.name]
 
 # The loaded extensions cache and its persistent path.