Make Page Visibility API work when the browser window is visible or not

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 "base/auto_reset.h"
@@ skipping 1308 matching lines @@
         OnGetSerializedHtmlDataForCurrentPageWithLocalLinks)
     IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
     // TODO(viettrungluu): Move to a separate message filter.
     IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
                         OnSetHistoryOffsetAndLength)
     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
     IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
                         OnReleaseDisambiguationPopupBitmap)
     IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
     IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
+    IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
                         OnActivateNearestFindResult)
     IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
     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_PluginImeCompositionCompleted,
                         OnPluginImeCompositionCompleted)
     IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
-    IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
     IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
 #endif
     // Adding a new message? Add platform independent ones first, then put the
     // platform specific ones at the end.
 
     // Have the super handle all other messages.
     IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
   IPC_END_MESSAGE_MAP()
 
   return handled;
@@ skipping 1656 matching lines @@
 
 #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
   for (plugin_it = plugin_delegates_.begin();
        plugin_it != plugin_delegates_.end(); ++plugin_it) {
     (*plugin_it)->SetWindowFocus(active);
   }
 #endif
 }
 
+void RenderViewImpl::OnSetWindowVisibility(bool visible) {
 #if defined(OS_MACOSX)
-void RenderViewImpl::OnSetWindowVisibility(bool visible) {
 #if defined(ENABLE_PLUGINS)
   // Inform plugins that their container has changed visibility.
   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
   for (plugin_it = plugin_delegates_.begin();
        plugin_it != plugin_delegates_.end(); ++plugin_it) {
     (*plugin_it)->SetContainerVisibility(visible);
   }
 #endif
+#else
+  if (webview())
+    webview()->setVisibilityState(visible ?
+        blink::WebPageVisibilityStateVisible :
+        blink::WebPageVisibilityStateHidden, false);
+#endif
 }
 
+#if defined(OS_MACOSX)
 void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
                                           const gfx::Rect& view_frame) {
 #if defined(ENABLE_PLUGINS)
   // Inform plugins that their window's frame has changed.
   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
   for (plugin_it = plugin_delegates_.begin();
        plugin_it != plugin_delegates_.end(); ++plugin_it) {
     (*plugin_it)->WindowFrameChanged(window_frame, view_frame);
   }
 #endif
@@ skipping 759 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content