Support chrome.windows extension API events for browserless Panels.

chrome/browser/ui/panels/panel.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 "chrome/browser/ui/panels/panel.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/extensions/api/tabs/tabs_constants.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/window_controller.h"
+#include "chrome/browser/extensions/window_controller_list.h"
+#include "chrome/browser/extensions/window_event_router.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/panels/native_panel.h"
 #include "chrome/browser/ui/panels/panel_host.h"
 #include "chrome/browser/ui/panels/panel_manager.h"
 #include "chrome/browser/ui/panels/panel_strip.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/extension.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/rect.h"
 
 using content::RenderViewHost;
 using content::UserMetricsAction;
 
 namespace panel_internal {
 
 class PanelExtensionWindowController : public extensions::WindowController {
  public:
   PanelExtensionWindowController(Panel* panel, Profile* profile);
+  virtual ~PanelExtensionWindowController();
 
   // Overridden from extensions::WindowController.
   virtual int GetWindowId() const OVERRIDE;
   virtual std::string GetWindowTypeText() const OVERRIDE;
   virtual base::DictionaryValue* CreateWindowValueWithTabs() const OVERRIDE;
   virtual bool CanClose(Reason* reason) const OVERRIDE;
   virtual void SetFullscreenMode(bool is_fullscreen,
                                  const GURL& extension_url) const OVERRIDE;
   virtual bool IsVisibleToExtension(
       const extensions::Extension* extension) const OVERRIDE;
 
  private:
   Panel* panel_;  // Weak pointer. Owns us.
   DISALLOW_COPY_AND_ASSIGN(PanelExtensionWindowController);
 };
 
 PanelExtensionWindowController::PanelExtensionWindowController(
     Panel* panel, Profile* profile)
     : extensions::WindowController(panel, profile),
       panel_(panel) {
+  extensions::WindowControllerList::GetInstance()->AddExtensionWindow(this);
+}
+
+PanelExtensionWindowController::~PanelExtensionWindowController() {
+  extensions::WindowControllerList::GetInstance()->RemoveExtensionWindow(this);
 }
 
 int PanelExtensionWindowController::GetWindowId() const {
   return static_cast<int>(panel_->session_id().id());
 }
 
 std::string PanelExtensionWindowController::GetWindowTypeText() const {
   return extensions::tabs_constants::kWindowTypeValuePanel;
 }
 
@@ skipping 540 matching lines @@
   // its expansion state. However, we don't want to clear draw attention if
   // contents are not visible. In that scenario, if the mouse-down results
   // in a mouse-click, draw attention will be cleared then.
   // See Panel::OnTitlebarClicked().
   if (active && IsDrawingAttention() && !IsMinimized())
     FlashFrame(false);
 
   if (panel_strip_)
     panel_strip_->OnPanelActiveStateChanged(this);
 
+  // Send extension event about window becoming active.
+  // TODO(jennb): remove extension_window_controller_ guard after refactor.
+  if (active && extension_window_controller_.get()) {
+    ExtensionService* service =
+        extensions::ExtensionSystem::Get(profile())->extension_service();
+    if (service) {
+      service->window_event_router()->OnActiveWindowChanged(
+          extension_window_controller_.get());
+    }
+  }
+
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_PANEL_CHANGED_ACTIVE_STATUS,
       content::Source<Panel>(this),
       content::NotificationService::NoDetails());
 }
 
 void Panel::ConfigureAutoResize(content::WebContents* web_contents) {
   if (!auto_resizable_ || !web_contents)
     return;
 
@@ skipping 99 matching lines @@
 
 void Panel::LoadingStateChanged(bool is_loading) {
   command_updater_.UpdateCommandEnabled(IDC_STOP, is_loading);
   native_panel_->UpdatePanelLoadingAnimations(is_loading);
   UpdateTitleBar();
 }
 
 void Panel::WebContentsFocused(content::WebContents* contents) {
   native_panel_->PanelWebContentsFocused(contents);
 }