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104 lines
5.3 KiB
Diff
104 lines
5.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Cheng Zhao <zcbenz@gmail.com>
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Date: Thu, 4 Oct 2018 14:57:02 -0700
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Subject: fix: also propagate fullscreen state for outer frame
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When entering fullscreen with Element.requestFullscreen in child frames,
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the parent frame should also enter fullscreen mode too. Chromium handles
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this for iframes, but not for webviews as they are essentially main
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frames instead of child frames.
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This patch makes webviews propagate the fullscreen state to embedder.It also handles a
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DCHECK preventing guest webcontents from becoming the focused webContents.
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Note that we also need to manually update embedder's
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`api::WebContents::IsFullscreenForTabOrPending` value.
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diff --git a/content/browser/renderer_host/render_frame_host_impl.cc b/content/browser/renderer_host/render_frame_host_impl.cc
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index 72d195aeff5f8197782f98ef60ecbd4d3be7d5a3..7c8c63f47e273acee7c39d78a921cf014a3d3c05 100644
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--- a/content/browser/renderer_host/render_frame_host_impl.cc
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+++ b/content/browser/renderer_host/render_frame_host_impl.cc
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@@ -9104,6 +9104,17 @@ void RenderFrameHostImpl::EnterFullscreen(
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}
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}
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+ // Entering fullscreen from webview should also notify its outer frame.
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+ if (frame_tree_node()->render_manager()->IsMainFrameForInnerDelegate()) {
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+ RenderFrameProxyHost* outer_proxy =
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+ frame_tree_node()->render_manager()->GetProxyToOuterDelegate();
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+ DCHECK(outer_proxy);
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+ if (outer_proxy->is_render_frame_proxy_live()) {
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+ outer_proxy->GetAssociatedRemoteFrame()->WillEnterFullscreen(
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+ options.Clone());
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+ }
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+ }
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+
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// Focus the window if another frame may have delegated the capability.
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if (had_fullscreen_token && !GetView()->HasFocus()) {
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GetView()->Focus();
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diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
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index a2bf967fef8f92a2ed9854ac559c4b6f59e54f19..8593aa220a4e71450cedea0784fb4fa6843bacd4 100644
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--- a/content/browser/web_contents/web_contents_impl.cc
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+++ b/content/browser/web_contents/web_contents_impl.cc
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@@ -4492,21 +4492,25 @@ KeyboardEventProcessingResult WebContentsImpl::PreHandleKeyboardEvent(
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const input::NativeWebKeyboardEvent& event) {
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OPTIONAL_TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("content.verbose"),
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"WebContentsImpl::PreHandleKeyboardEvent");
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- auto* outermost_contents = GetOutermostWebContents();
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- // TODO(wjmaclean): Generalize this to forward all key events to the outermost
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- // delegate's handler.
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- if (outermost_contents != this && IsFullscreen() &&
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- event.windows_key_code == ui::VKEY_ESCAPE) {
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- // When an inner WebContents has focus and is fullscreen, redirect <esc>
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- // key events to the outermost WebContents so it can be handled by that
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- // WebContents' delegate.
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- if (outermost_contents->PreHandleKeyboardEvent(event) ==
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- KeyboardEventProcessingResult::HANDLED) {
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- return KeyboardEventProcessingResult::HANDLED;
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- }
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- }
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- return delegate_ ? delegate_->PreHandleKeyboardEvent(this, event)
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+
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+ auto handled = delegate_ ? delegate_->PreHandleKeyboardEvent(this, event)
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: KeyboardEventProcessingResult::NOT_HANDLED;
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+
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+ if (IsFullscreen() && event.windows_key_code == ui::VKEY_ESCAPE) {
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+ if (handled == KeyboardEventProcessingResult::HANDLED)
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+ return KeyboardEventProcessingResult::HANDLED;
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+
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+ // When an inner WebContents has focus and is fullscreen, traverse through
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+ // containing webcontents to any that may handle the escape key.
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+ while (auto* outer_web_contents = GetOuterWebContents()) {
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+ auto result = outer_web_contents->PreHandleKeyboardEvent(event);
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+ if (result == KeyboardEventProcessingResult::HANDLED) {
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+ return KeyboardEventProcessingResult::HANDLED;
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+ }
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+ }
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+ }
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+
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+ return handled;
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}
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bool WebContentsImpl::HandleMouseEvent(const blink::WebMouseEvent& event) {
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@@ -4682,7 +4686,7 @@ void WebContentsImpl::EnterFullscreenMode(
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OPTIONAL_TRACE_EVENT0("content", "WebContentsImpl::EnterFullscreenMode");
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DCHECK(CanEnterFullscreenMode(requesting_frame));
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DCHECK(requesting_frame->IsActive());
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- DCHECK(ContainsOrIsFocusedWebContents());
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+ DCHECK(ContainsOrIsFocusedWebContents() || IsGuest());
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// Ensure the window is made active to take input focus. The window may be
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// inactive when sites request fullscreen via capability delegation, consume
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// transient activation from a gesture made before another window was focused,
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diff --git a/third_party/blink/renderer/core/fullscreen/fullscreen.cc b/third_party/blink/renderer/core/fullscreen/fullscreen.cc
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index c533c80eb4eea180a2ef89a225d7c75390d40225..4c81dea15346b35a9a43c92fb3b778367888a6ca 100644
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--- a/third_party/blink/renderer/core/fullscreen/fullscreen.cc
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+++ b/third_party/blink/renderer/core/fullscreen/fullscreen.cc
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@@ -105,7 +105,6 @@ void FullscreenElementChanged(Document& document,
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// is the iframe element for the out-of-process frame that contains the
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// fullscreen element. Hence, it must match :-webkit-full-screen-ancestor.
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if (new_request_type & FullscreenRequestType::kForCrossProcessDescendant) {
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- DCHECK(IsA<HTMLIFrameElement>(new_element));
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new_element->SetContainsFullScreenElement(true);
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}
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new_element->SetContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(
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