chrome/browser/extensions/api/tabs/tabs_windows_api.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/extensions/api/tabs/tabs_windows_api.h"
   6
   7 #include "base/lazy_instance.h"
   8 #include "chrome/browser/extensions/api/tabs/tabs_event_router.h"
   9 #include "chrome/browser/extensions/api/tabs/windows_event_router.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/common/extensions/api/tabs.h"
  12 #include "chrome/common/extensions/api/windows.h"
  13 #include "extensions/browser/event_router.h"
  14 #include "extensions/browser/extension_system.h"
  15
  16 namespace extensions {
  17
  18 TabsWindowsAPI::TabsWindowsAPI(content::BrowserContext* context)
  19     : browser_context_(context) {
  20   EventRouter* event_router = EventRouter::Get(browser_context_);
  21
  22   // Tabs API Events.
  23   event_router->RegisterObserver(this, api::tabs::OnCreated::kEventName);
  24   event_router->RegisterObserver(this, api::tabs::OnUpdated::kEventName);
  25   event_router->RegisterObserver(this, api::tabs::OnMoved::kEventName);
  26   event_router->RegisterObserver(this,
  27                                  api::tabs::OnSelectionChanged::kEventName);
  28   event_router->RegisterObserver(this, api::tabs::OnActiveChanged::kEventName);
  29   event_router->RegisterObserver(this, api::tabs::OnActivated::kEventName);
  30   event_router->RegisterObserver(this,
  31                                  api::tabs::OnHighlightChanged::kEventName);
  32   event_router->RegisterObserver(this, api::tabs::OnHighlighted::kEventName);
  33   event_router->RegisterObserver(this, api::tabs::OnDetached::kEventName);
  34   event_router->RegisterObserver(this, api::tabs::OnAttached::kEventName);
  35   event_router->RegisterObserver(this, api::tabs::OnRemoved::kEventName);
  36   event_router->RegisterObserver(this, api::tabs::OnReplaced::kEventName);
  37
  38   // Windows API Events.
  39   event_router->RegisterObserver(this, api::windows::OnCreated::kEventName);
  40   event_router->RegisterObserver(this, api::windows::OnRemoved::kEventName);
  41   event_router->RegisterObserver(this,
  42                                  api::windows::OnFocusChanged::kEventName);
  43 }
  44
  45 TabsWindowsAPI::~TabsWindowsAPI() {
  46 }
  47
  48 // static
  49 TabsWindowsAPI* TabsWindowsAPI::Get(content::BrowserContext* context) {
  50   return BrowserContextKeyedAPIFactory<TabsWindowsAPI>::Get(context);
  51 }
  52
  53 TabsEventRouter* TabsWindowsAPI::tabs_event_router() {
  54   if (!tabs_event_router_.get())
  55     tabs_event_router_.reset(
  56         new TabsEventRouter(Profile::FromBrowserContext(browser_context_)));
  57   return tabs_event_router_.get();
  58 }
  59
  60 WindowsEventRouter* TabsWindowsAPI::windows_event_router() {
  61   if (!windows_event_router_)
  62     windows_event_router_.reset(
  63         new WindowsEventRouter(Profile::FromBrowserContext(browser_context_)));
  64   return windows_event_router_.get();
  65 }
  66
  67 void TabsWindowsAPI::Shutdown() {
  68   EventRouter::Get(browser_context_)->UnregisterObserver(this);
  69 }
  70
  71 static base::LazyInstance<BrowserContextKeyedAPIFactory<TabsWindowsAPI> >
  72     g_factory = LAZY_INSTANCE_INITIALIZER;
  73
  74 BrowserContextKeyedAPIFactory<TabsWindowsAPI>*
  75 TabsWindowsAPI::GetFactoryInstance() {
  76   return g_factory.Pointer();
  77 }
  78
  79 void TabsWindowsAPI::OnListenerAdded(const EventListenerInfo& details) {
  80   // Initialize the event routers.
  81   tabs_event_router();
  82   windows_event_router();
  83   EventRouter::Get(browser_context_)->UnregisterObserver(this);
  84 }
  85
  86 }  // namespace extensions