Fire visibilityChange event on out-of-process iframes.

content/renderer/render_view_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <memory>
 
@@ skipping 664 matching lines @@
   WebFrame* opener_frame = RenderFrameImpl::ResolveOpener(
       params.opener_frame_route_id, &opener_view_routing_id);
   if (opener_view_routing_id != MSG_ROUTING_NONE && was_created_by_renderer)
     opener_id_ = opener_view_routing_id;
 
   display_mode_ = params.initial_size.display_mode;
 
   // Ensure we start with a valid next_page_id_ from the browser.
   DCHECK_GE(next_page_id_, 0);
 
-  webview_ = WebView::create(this);
+  webview_ = WebView::create(this, !is_hidden());
   webwidget_ = webview_->widget();
   webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
 
   g_view_map.Get().insert(std::make_pair(webview(), this));
   g_routing_id_view_map.Get().insert(std::make_pair(GetRoutingID(), this));
 
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 
   if (command_line.HasSwitch(switches::kStatsCollectionController))
@@ skipping 641 matching lines @@
                         OnSetHistoryOffsetAndLength)
     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
                         OnReleaseDisambiguationPopupBitmap)
     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
 
     // Page messages.
     IPC_MESSAGE_HANDLER(PageMsg_UpdateWindowScreenRect,
                         OnUpdateWindowScreenRect)
     IPC_MESSAGE_HANDLER(PageMsg_SetZoomLevel, OnSetZoomLevel)
+    IPC_MESSAGE_HANDLER(PageMsg_WasHidden, OnPageWasHidden)
+    IPC_MESSAGE_HANDLER(PageMsg_WasShown, OnPageWasShown)
+
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
                         OnUpdateTopControlsState)
     IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
 #elif defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
                         OnGetRenderedText)
     IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose)
 #endif
     // Adding a new message? Add platform independent ones first, then put the
@@ skipping 952 matching lines @@
 }
 
 int RenderViewImpl::GetEnabledBindings() const {
   return enabled_bindings_;
 }
 
 bool RenderViewImpl::GetContentStateImmediately() const {
   return send_content_state_immediately_;
 }
 
-blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
-  return visibilityState();
-}
-
 void RenderViewImpl::DidStartLoading() {
   main_render_frame_->didStartLoading(true);
 }
 
 void RenderViewImpl::DidStopLoading() {
   main_render_frame_->didStopLoading();
 }
 
 void RenderViewImpl::OnSetPageScale(float page_scale_factor) {
   if (!webview())
@@ skipping 443 matching lines @@
 void RenderViewImpl::Close() {
   // We need to grab a pointer to the doomed WebView before we destroy it.
   WebView* doomed = webview_;
   RenderWidget::Close();
   webview_ = nullptr;
   g_view_map.Get().erase(doomed);
   g_routing_id_view_map.Get().erase(GetRoutingID());
   RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(GetRoutingID()));
 }
 
-void RenderViewImpl::OnWasHidden() {
-  RenderWidget::OnWasHidden();
-
+void RenderViewImpl::OnPageWasHidden() {
 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
   RenderThreadImpl::current()->video_capture_impl_manager()->
       SuspendDevices(true);
   if (speech_recognition_dispatcher_)
     speech_recognition_dispatcher_->AbortAllRecognitions();
 #endif
 
-  if (webview())
-    webview()->setVisibilityState(visibilityState(), false);
+  if (webview()) {
+    // TODO(lfg): It's not correct to defer the page visibility to the main
+    // frame. Currently, this is done because the main frame may override the
+    // visibility of the page when prerendering. In order to fix this,
+    // prerendering must be made aware of OOPIFs. https://crbug.com/440544

[Charlie Reis, 2016/06/06 23:15:09]

Can you post an update to that bug about this context?  There's not much info on
the bug itself about what work needs to be done.

[lfg, 2016/06/08 20:00:24]

Done.

+    blink::WebPageVisibilityState visibilityState =
+        GetMainRenderFrame() ? GetMainRenderFrame()->visibilityState()
+                             : blink::WebPageVisibilityStateHidden;
+    webview()->setVisibilityState(visibilityState, false);
+  }
 }
 
-void RenderViewImpl::OnWasShown(bool needs_repainting,
-                                const ui::LatencyInfo& latency_info) {
-  RenderWidget::OnWasShown(needs_repainting, latency_info);
-
+void RenderViewImpl::OnPageWasShown() {
 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
   RenderThreadImpl::current()->video_capture_impl_manager()->
       SuspendDevices(false);
 #endif
 
-  if (webview())
-    webview()->setVisibilityState(visibilityState(), false);
+  if (webview()) {
+    blink::WebPageVisibilityState visibilityState =
+        GetMainRenderFrame() ? GetMainRenderFrame()->visibilityState()
+                             : blink::WebPageVisibilityStateVisible;
+    webview()->setVisibilityState(visibilityState, false);
+  }
 }
 
 GURL RenderViewImpl::GetURLForGraphicsContext3D() {
   DCHECK(webview());
   if (webview()->mainFrame()->isWebLocalFrame())
     return GURL(webview()->mainFrame()->document().url());
   else
     return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
 }
 
@@ skipping 255 matching lines @@
 }
 
 double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
   return ZoomLevelToZoomFactor(zoom_level);
 }
 
 double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
   return ZoomFactorToZoomLevel(factor);
 }
 
-blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
-  blink::WebPageVisibilityState current_state = is_hidden() ?
-      blink::WebPageVisibilityStateHidden :
-      blink::WebPageVisibilityStateVisible;
-  blink::WebPageVisibilityState override_state = current_state;
-  // TODO(jam): move this method to WebFrameClient.
-  if (GetContentClient()->renderer()->
-          ShouldOverridePageVisibilityState(main_render_frame_,
-                                            &override_state))
-    return override_state;
-  return current_state;
-}
-
 void RenderViewImpl::draggableRegionsChanged() {
   FOR_EACH_OBSERVER(
       RenderViewObserver,
       observers_,
       DraggableRegionsChanged(webview()->mainFrame()));
 }
 
 void RenderViewImpl::pageImportanceSignalsChanged() {
   if (!webview() || !main_render_frame_)
     return;
@@ skipping 283 matching lines @@
         return render_frame->focused_pepper_plugin();
     }
     frame = frame->traverseNext(false);
   }
 
   return nullptr;
 }
 #endif
 
 }  // namespace content