chrome/browser/media/router/media_router_factory.cc

   1 // Copyright 2015 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/media/router/media_router_factory.h"
   6
   7 #include "components/keyed_service/content/browser_context_dependency_manager.h"
   8 #if defined(OS_ANDROID)
   9 #include "chrome/browser/media/android/router/media_router_android.h"
  10 #else
  11 #include "chrome/browser/media/router/media_router_mojo_impl.h"
  12 #include "extensions/browser/process_manager.h"
  13 #include "extensions/browser/process_manager_factory.h"
  14 #endif
  15
  16 using content::BrowserContext;
  17
  18 namespace media_router {
  19
  20 namespace {
  21
  22 base::LazyInstance<MediaRouterFactory> service_factory =
  23     LAZY_INSTANCE_INITIALIZER;
  24
  25 }  // namespace
  26
  27 // static
  28 MediaRouter* MediaRouterFactory::GetApiForBrowserContext(
  29     BrowserContext* context) {
  30   DCHECK(context);
  31   // GetServiceForBrowserContext returns a KeyedService hence the static_cast<>
  32   // to return a pointer to MediaRouter.
  33   return static_cast<MediaRouter*>(
  34       service_factory.Get().GetServiceForBrowserContext(context, true));
  35 }
  36
  37 MediaRouterFactory::MediaRouterFactory()
  38     : BrowserContextKeyedServiceFactory(
  39           "MediaRouter",
  40           BrowserContextDependencyManager::GetInstance()) {
  41 #if !defined(OS_ANDROID)
  42   // On desktop platforms, MediaRouter depends on ProcessManager.
  43   DependsOn(extensions::ProcessManagerFactory::GetInstance());
  44 #endif
  45 }
  46
  47 MediaRouterFactory::~MediaRouterFactory() {
  48 }
  49
  50 KeyedService* MediaRouterFactory::BuildServiceInstanceFor(
  51     BrowserContext* context) const {
  52 #if defined(OS_ANDROID)
  53   return new MediaRouterAndroid(context);
  54 #else
  55   return new MediaRouterMojoImpl(extensions::ProcessManager::Get(context));
  56 #endif
  57 }
  58
  59 BrowserContext* MediaRouterFactory::GetBrowserContextToUse(
  60     BrowserContext* context) const {
  61   // Always use the input context. This means that an incognito context will
  62   // have its own MediaRouter service, rather than sharing it with its
  63   // original non-incognito context.
  64   return context;
  65 }
  66
  67 }  // namespace media_router