Hook up page visibility to the View info for a plugin.

TEST=manual (run audio example and switch tab visibility)

BUG=

Review URL: http://codereview.chromium.org/9022016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@116370 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 24 insertions, 4 deletions

diff --git a/content/renderer/pepper_plugin_delegate_impl.cc b/content/renderer/pepper_plugin_delegate_impl.cc
index 0a15278..f69efe4 100644
--- a/content/renderer/pepper_plugin_delegate_impl.cc
+++ b/content/renderer/pepper_plugin_delegate_impl.cc
@@ -1349,6 +1349,13 @@ void PepperPluginDelegateImpl::OnSetFocus(bool has_focus) {
     (*i)->SetContentAreaFocus(has_focus);
 }
 
+void PepperPluginDelegateImpl::PageVisibilityChanged(bool is_visible) {
+  for (std::set<webkit::ppapi::PluginInstance*>::iterator i =
+           active_instances_.begin();
+       i != active_instances_.end(); ++i)
+    (*i)->PageVisibilityChanged(is_visible);
+}
+
 bool PepperPluginDelegateImpl::IsPluginFocused() const {
   return focused_plugin_ != NULL;
 }
@@ -2028,6 +2035,10 @@ bool PepperPluginDelegateImpl::IsInFullscreenMode() {
   return render_view_->is_fullscreen();
 }
 
+bool PepperPluginDelegateImpl::IsPageVisible() const {
+  return !render_view_->is_hidden();
+}
+
 bool PepperPluginDelegateImpl::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PepperPluginDelegateImpl, message)
diff --git a/content/renderer/pepper_plugin_delegate_impl.h b/content/renderer/pepper_plugin_delegate_impl.h
index fc2e357..2ef8fb7 100644
--- a/content/renderer/pepper_plugin_delegate_impl.h
+++ b/content/renderer/pepper_plugin_delegate_impl.h
@@ -174,6 +174,9 @@ class PepperPluginDelegateImpl
   // notifies all of the plugins.
   void OnSetFocus(bool has_focus);
 
+  // Notification that the page visibility has changed. The default is visible.
+  void PageVisibilityChanged(bool is_visible);
+
   // IME status.
   bool IsPluginFocused() const;
   gfx::Rect GetCaretBounds() const;
@@ -382,6 +385,7 @@ class PepperPluginDelegateImpl
   virtual void DidReceiveMouseEvent(
       webkit::ppapi::PluginInstance* instance) OVERRIDE;
   virtual bool IsInFullscreenMode() OVERRIDE;
+  virtual bool IsPageVisible() const OVERRIDE;
 
   // RenderViewObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 80f0852..515ef64 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -4309,8 +4309,11 @@ void RenderViewImpl::OnWasHidden() {
     webview()->setVisibilityState(visibilityState(), false);
   }
 
+  // Inform PPAPI plugins that their page is no longer visible.
+  pepper_delegate_.PageVisibilityChanged(false);
+
 #if defined(OS_MACOSX)
-  // Inform plugins that their container is no longer visible.
+  // Inform NPAPI plugins that their container is no longer visible.
   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
   for (plugin_it = plugin_delegates_.begin();
        plugin_it != plugin_delegates_.end(); ++plugin_it) {
@@ -4328,8 +4331,11 @@ void RenderViewImpl::OnWasRestored(bool needs_repainting) {
     webview()->setVisibilityState(visibilityState(), false);
   }
 
+  // Inform PPAPI plugins that their page is visible.
+  pepper_delegate_.PageVisibilityChanged(true);
+
 #if defined(OS_MACOSX)
-  // Inform plugins that their container is now visible.
+  // Inform NPAPI plugins that their container is now visible.
   std::set<WebPluginDelegateProxy*>::iterator plugin_it;
   for (plugin_it = plugin_delegates_.begin();
        plugin_it != plugin_delegates_.end(); ++plugin_it) {
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index 5dc7962..d9c9535 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -98,6 +98,7 @@ class CONTENT_EXPORT RenderWidget
   gfx::Size size() const { return size_; }
   bool has_focus() const { return has_focus_; }
   bool is_fullscreen() const { return is_fullscreen_; }
+  bool is_hidden() const { return is_hidden_; }
 
   // IPC::Channel::Listener
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
@@ -273,8 +274,6 @@ class CONTENT_EXPORT RenderWidget
   // state.
   void SetHidden(bool hidden);
 
-  bool is_hidden() const { return is_hidden_; }
-
   void WillToggleFullscreen();
   void DidToggleFullscreen();