src/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(new ExtensionMsg_SetChannel(GetCurrentChannel()));
  28 }
  29
  30 void ChromeNotificationObserver::Observe(int type,
  31                        const content::NotificationSource& source,
  32                        const content::NotificationDetails& details) {
  33   switch (type) {
  34     case content::NOTIFICATION_RENDERER_PROCESS_CREATED: {
  35       content::RenderProcessHost* process =
  36           content::Source<content::RenderProcessHost>(source).ptr();
  37       OnRendererProcessCreated(process);
  38       break;
  39     }
  40
  41     default:
  42       NOTREACHED();
  43   }
  44 }
  45
  46 }  // namespace extensions