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

athena/content/web_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/web_activity.h"
 
 #include "athena/activity/public/activity_factory.h"
 #include "athena/activity/public/activity_manager.h"
 #include "athena/input/public/accelerator_manager.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
+#include "ui/aura/window.h"
 #include "ui/views/controls/webview/unhandled_keyboard_event_handler.h"
 #include "ui/views/controls/webview/webview.h"
 #include "ui/views/focus/focus_manager.h"
 #include "ui/views/widget/widget.h"
 
 namespace athena {
 namespace {
 
 class WebActivityController : public AcceleratorHandler {
  public:
@@ skipping 305 matching lines @@
   // 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 WebActivity::IsVisible() {
-  return web_view_ && web_view_->IsDrawn();
+  return web_view_ &&
+         web_view_->IsDrawn() &&
+         current_state_ != ACTIVITY_UNLOADED &&
+         GetWindow() &&
+         GetWindow()->IsVisible();
 }
 
 Activity::ActivityMediaState WebActivity::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* WebActivity::GetWindow() {
@@ skipping 47 matching lines @@
 void WebActivity::DidUpdateFaviconURL(
     const std::vector<content::FaviconURL>& candidates) {
   ActivityManager::Get()->UpdateActivity(this);
 }
 
 void WebActivity::DidChangeThemeColor(SkColor theme_color) {
   title_color_ = theme_color;
 }
 
 }  // namespace athena