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      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/extensions/extension_system.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 
     15 namespace extensions {
     16 
     17 TabsWindowsAPI::TabsWindowsAPI(Profile* profile) : profile_(profile) {
     18   // Tabs API Events.
     19   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     20       this, api::tabs::OnCreated::kEventName);
     21   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     22       this, api::tabs::OnUpdated::kEventName);
     23   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     24       this, api::tabs::OnMoved::kEventName);
     25   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     26       this, api::tabs::OnSelectionChanged::kEventName);
     27   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     28       this, api::tabs::OnActiveChanged::kEventName);
     29   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     30       this, api::tabs::OnActivated::kEventName);
     31   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     32       this, api::tabs::OnHighlightChanged::kEventName);
     33   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     34       this, api::tabs::OnHighlighted::kEventName);
     35   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     36       this, api::tabs::OnDetached::kEventName);
     37   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     38       this, api::tabs::OnAttached::kEventName);
     39   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     40       this, api::tabs::OnRemoved::kEventName);
     41   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     42       this, api::tabs::OnReplaced::kEventName);
     43 
     44   // Windows API Events.
     45   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     46       this, api::windows::OnCreated::kEventName);
     47   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     48       this, api::windows::OnRemoved::kEventName);
     49   ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
     50       this, api::windows::OnFocusChanged::kEventName);
     51 }
     52 
     53 TabsWindowsAPI::~TabsWindowsAPI() {
     54 }
     55 
     56 // static
     57 TabsWindowsAPI* TabsWindowsAPI::Get(Profile* profile) {
     58   return ProfileKeyedAPIFactory<TabsWindowsAPI>::GetForProfile(profile);
     59 }
     60 
     61 TabsEventRouter* TabsWindowsAPI::tabs_event_router() {
     62   if (!tabs_event_router_.get())
     63     tabs_event_router_.reset(new TabsEventRouter(profile_));
     64   return tabs_event_router_.get();
     65 }
     66 
     67 WindowsEventRouter* TabsWindowsAPI::windows_event_router() {
     68   if (!windows_event_router_)
     69     windows_event_router_.reset(new WindowsEventRouter(profile_));
     70   return windows_event_router_.get();
     71 }
     72 
     73 void TabsWindowsAPI::Shutdown() {
     74   ExtensionSystem::Get(profile_)->event_router()->UnregisterObserver(this);
     75 }
     76 
     77 static base::LazyInstance<ProfileKeyedAPIFactory<TabsWindowsAPI> >
     78 g_factory = LAZY_INSTANCE_INITIALIZER;
     79 
     80 ProfileKeyedAPIFactory<TabsWindowsAPI>* TabsWindowsAPI::GetFactoryInstance() {
     81   return &g_factory.Get();
     82 }
     83 
     84 void TabsWindowsAPI::OnListenerAdded(const EventListenerInfo& details) {
     85   // Initialize the event routers.
     86   tabs_event_router();
     87   windows_event_router();
     88   ExtensionSystem::Get(profile_)->event_router()->UnregisterObserver(this);
     89 }
     90 
     91 }  // namespace extensions
     92