chrome/browser/extensions/chrome_notification_observer.cc

   1 // Copyright 2013 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/chrome_notification_observer.h"
   6
   7 #include "chrome/common/extensions/features/feature_channel.h"
   8 #include "content/public/browser/notification_service.h"
   9 #include "content/public/browser/notification_types.h"
  10 #include "content/public/browser/render_process_host.h"
  11 #include "extensions/common/extension_messages.h"
  12
  13 namespace extensions {
  14
  15 ChromeNotificationObserver::ChromeNotificationObserver() {
  16   registrar_.Add(this,
  17                  content::NOTIFICATION_RENDERER_PROCESS_CREATED,
  18                  content::NotificationService::AllBrowserContextsAndSources());
  19 }
  20
  21 ChromeNotificationObserver::~ChromeNotificationObserver() {}
  22
  23 void ChromeNotificationObserver::OnRendererProcessCreated(
  24     content::RenderProcessHost* process) {
  25   // Extensions need to know the channel for API restrictions. Send the channel
  26   // to all renderers, as the non-extension renderers may have content scripts.
  27   process->Send(
  28       new ExtensionMsg_SetChannel(static_cast<int>(GetCurrentChannel())));
  29 }
  30
  31 void ChromeNotificationObserver::Observe(int type,
  32                        const content::NotificationSource& source,
  33                        const content::NotificationDetails& details) {
  34   switch (type) {
  35     case content::NOTIFICATION_RENDERER_PROCESS_CREATED: {
  36       content::RenderProcessHost* process =
  37           content::Source<content::RenderProcessHost>(source).ptr();
  38       OnRendererProcessCreated(process);
  39       break;
  40     }
  41
  42     default:
  43       NOTREACHED();
  44   }
  45 }
  46
  47 }  // namespace extensions