Adding Baseframework of the ResourceManager (all hooks and observers) are being put in place with a…

athena/content/app_activity.cc

 // Copyright 2014 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 "athena/content/app_activity.h"
 
 #include "athena/activity/public/activity_manager.h"
 #include "athena/content/app_activity_registry.h"
 #include "athena/content/public/app_content_control_delegate.h"
 #include "athena/content/public/app_registry.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/shell/browser/shell_app_window.h"
+#include "ui/aura/window.h"
 #include "ui/views/controls/webview/webview.h"
 #include "ui/views/widget/widget.h"
 
 namespace athena {
 
 // TODO(mukai): specifies the same accelerators of WebActivity.
 AppActivity::AppActivity(extensions::ShellAppWindow* app_window)
     : app_window_(app_window),
       web_view_(NULL),
       current_state_(ACTIVITY_UNLOADED),
@@ skipping 53 matching lines @@
   // TODO(skuhne): This should be controlled by an observer and should not
   // reside here.
   if (IsVisible() && current_state_ != ACTIVITY_VISIBLE)
     SetCurrentState(ACTIVITY_VISIBLE);
   // Note: If the activity is not visible it does not necessarily mean that it
   // does not have GPU compositor resources (yet).
   return current_state_;
 }
 
 bool AppActivity::IsVisible() {
-  return web_view_ && web_view_->IsDrawn();
+  return web_view_ &&
+         web_view_->IsDrawn() &&
+         current_state_ != ACTIVITY_UNLOADED &&
+         GetWindow() &&
+         GetWindow()->IsVisible();
 }
 
 Activity::ActivityMediaState AppActivity::GetMediaState() {
   // TODO(skuhne): The function GetTabMediaStateForContents(WebContents),
   // and the AudioStreamMonitor needs to be moved from Chrome into contents to
   // make it more modular and so that we can use it from here.
   return Activity::ACTIVITY_MEDIA_STATE_NONE;
 }
 
 aura::Window* AppActivity::GetWindow() {
@@ skipping 64 matching lines @@
   // Get the application's registry.
   app_activity_registry_ = app_registry->GetAppActivityRegistry(
           app_registry->GetDelegate()->GetApplicationID(web_contents),
           web_contents->GetBrowserContext());
   DCHECK(app_activity_registry_);
   // Register the activity.
   app_activity_registry_->RegisterAppActivity(this);
 }
 
 }  // namespace athena