Implement Pepper plugin focus notifications.

This hooks up both webkit focus and content area focus like we do for NPAPI plugins.

BUG=56671
TEST=none
Review URL: http://codereview.chromium.org/3493011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60361 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 20 insertions, 2 deletions

diff --git a/chrome/renderer/pepper_plugin_delegate_impl.cc b/chrome/renderer/pepper_plugin_delegate_impl.cc
index 3a866af..7ca9d4e 100644
--- a/chrome/renderer/pepper_plugin_delegate_impl.cc
+++ b/chrome/renderer/pepper_plugin_delegate_impl.cc
@@ -523,6 +523,9 @@ void PepperPluginDelegateImpl::ViewFlushedPaint() {
 void PepperPluginDelegateImpl::InstanceCreated(
     pepper::PluginInstance* instance) {
   active_instances_.insert(instance);
+
+  // Set the initial focus.
+  instance->SetContentAreaFocus(render_view_->has_focus());
 }
 
 void PepperPluginDelegateImpl::InstanceDeleted(
@@ -639,6 +642,13 @@ void PepperPluginDelegateImpl::OnAsyncFileOpened(
   delete callback;
 }
 
+void PepperPluginDelegateImpl::OnSetFocus(bool has_focus) {
+  for (std::set<pepper::PluginInstance*>::iterator i =
+         active_instances_.begin();
+       i != active_instances_.end(); ++i)
+    (*i)->SetContentAreaFocus(has_focus);
+}
+
 scoped_refptr<base::MessageLoopProxy>
 PepperPluginDelegateImpl::GetFileThreadMessageLoopProxy() {
   return RenderThread::current()->GetFileThreadMessageLoopProxy();
diff --git a/chrome/renderer/pepper_plugin_delegate_impl.h b/chrome/renderer/pepper_plugin_delegate_impl.h
index 19f08b1c..a5808d5 100644
--- a/chrome/renderer/pepper_plugin_delegate_impl.h
+++ b/chrome/renderer/pepper_plugin_delegate_impl.h
@@ -46,6 +46,10 @@ class PepperPluginDelegateImpl
                          base::PlatformFile file,
                          int message_id);
 
+  // Notification that the render view has been focused or defocused. This
+  // notifies all of the plugins.
+  void OnSetFocus(bool has_focus);
+
   // pepper::PluginDelegate implementation.
   virtual void InstanceCreated(pepper::PluginInstance* instance);
   virtual void InstanceDeleted(pepper::PluginInstance* instance);
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index 8dceb39..b570f7e 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -5639,6 +5639,7 @@ void RenderView::OnSetFocus(bool enable) {
   RenderWidget::OnSetFocus(enable);
 
   if (webview() && webview()->isActive()) {
+    // Notify all NPAPI plugins.
     std::set<WebPluginDelegateProxy*>::iterator plugin_it;
     for (plugin_it = plugin_delegates_.begin();
          plugin_it != plugin_delegates_.end(); ++plugin_it) {
@@ -5650,6 +5651,9 @@ void RenderView::OnSetFocus(bool enable) {
 #endif
       (*plugin_it)->SetContentAreaFocus(enable);
     }
+
+    // Notify all Pepper plugins.
+    pepper_delegate_.OnSetFocus(enable);
   }
 }
 
diff --git a/chrome/renderer/render_widget.h b/chrome/renderer/render_widget.h
index 7f9e247..f08f333 100644
--- a/chrome/renderer/render_widget.h
+++ b/chrome/renderer/render_widget.h
@@ -88,6 +88,8 @@ class RenderWidget : public IPC::Channel::Listener,
     return host_window_;
   }
 
+  bool has_focus() const { return has_focus_; }
+
   // IPC::Channel::Listener
   virtual void OnMessageReceived(const IPC::Message& msg);
 
@@ -223,8 +225,6 @@ class RenderWidget : public IPC::Channel::Listener,
   // the focus on our own when the browser did not focus us.
   void ClearFocus();
 
-  bool has_focus() const { return has_focus_; }
-
   // Set the pending window rect.
   // Because the real render_widget is hosted in another process, there is
   // a time period where we may have set a new window rect which has not yet