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webview_fullscreen.patch
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webview_fullscreen.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Thu, 4 Oct 2018 14:57:02 -0700
Subject: fix: also propagate fullscreen state for outer frame
When entering fullscreen with Element.requestFullscreen in child frames,
the parent frame should also enter fullscreen mode too. Chromium handles
this for iframes, but not for webviews as they are essentially main
frames instead of child frames.
This patch makes webviews propagate the fullscreen state to embedder.
Note that we also need to manually update embedder's
`api::WebContents::IsFullscreenForTabOrPending` value.
diff --git a/content/browser/renderer_host/render_frame_host_impl.cc b/content/browser/renderer_host/render_frame_host_impl.cc
index 19d944da98817b253117c6436099ab4dc7250edb..147ce007ac5cdd4814872a5803c0ce721ea26ff8 100644
--- a/content/browser/renderer_host/render_frame_host_impl.cc
+++ b/content/browser/renderer_host/render_frame_host_impl.cc
@@ -5907,6 +5907,15 @@ void RenderFrameHostImpl::EnterFullscreen(
notified_instances.insert(parent_site_instance);
}
+ // Entering fullscreen from webview should also notify its outer frame.
+ if (frame_tree_node()->render_manager()->IsMainFrameForInnerDelegate()) {
+ RenderFrameProxyHost* outer_proxy =
+ frame_tree_node()->render_manager()->GetProxyToOuterDelegate();
+ DCHECK(outer_proxy);
+ outer_proxy->GetAssociatedRemoteFrame()->WillEnterFullscreen(
+ options.Clone());
+ }
+
delegate_->EnterFullscreenMode(this, *options);
delegate_->FullscreenStateChanged(this, /*is_fullscreen=*/true,
std::move(options));