chrome/browser/sync/glue/extensions_activity_monitor.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/sync/glue/extensions_activity_monitor.h"
   6
   7 #include "content/public/browser/browser_thread.h"
   8 #include "sync/util/extensions_activity.h"
   9
  10 #if defined(ENABLE_EXTENSIONS)
  11 #include "chrome/browser/chrome_notification_types.h"
  12 #include "chrome/browser/extensions/api/bookmarks/bookmarks_api.h"
  13 #include "content/public/browser/notification_service.h"
  14 #include "extensions/common/extension.h"
  15 #endif
  16
  17 using content::BrowserThread;
  18
  19 namespace browser_sync {
  20
  21 ExtensionsActivityMonitor::ExtensionsActivityMonitor()
  22     : extensions_activity_(new syncer::ExtensionsActivity()) {
  23   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  24   // It would be nice if we could specify a Source for each specific function
  25   // we wanted to observe, but the actual function objects are allocated on
  26   // the fly so there is no reliable object to point to (same problem if we
  27   // wanted to use the string name).  Thus, we use all sources and filter in
  28   // Observe.
  29 #if defined(ENABLE_EXTENSIONS)
  30   registrar_.Add(this,
  31                  extensions::NOTIFICATION_EXTENSION_BOOKMARKS_API_INVOKED,
  32                  content::NotificationService::AllSources());
  33 #endif
  34 }
  35
  36 ExtensionsActivityMonitor::~ExtensionsActivityMonitor() {
  37   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  38 }
  39
  40 void ExtensionsActivityMonitor::Observe(
  41     int type,
  42     const content::NotificationSource& source,
  43     const content::NotificationDetails& details) {
  44 #if defined(ENABLE_EXTENSIONS)
  45   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  46   DCHECK_EQ(extensions::NOTIFICATION_EXTENSION_BOOKMARKS_API_INVOKED, type);
  47   const extensions::Extension* extension =
  48       content::Source<const extensions::Extension>(source).ptr();
  49   const extensions::BookmarksFunction* f =
  50       content::Details<const extensions::BookmarksFunction>(details).ptr();
  51   switch (f->histogram_value()) {
  52     case extensions::functions::BOOKMARKS_UPDATE:
  53     case extensions::functions::BOOKMARKS_MOVE:
  54     case extensions::functions::BOOKMARKS_CREATE:
  55     case extensions::functions::BOOKMARKS_REMOVETREE:
  56     case extensions::functions::BOOKMARKS_REMOVE:
  57       extensions_activity_->UpdateRecord(extension->id());
  58       break;
  59     default:
  60       break;
  61   }
  62 #endif
  63 }
  64
  65 const scoped_refptr<syncer::ExtensionsActivity>&
  66 ExtensionsActivityMonitor::GetExtensionsActivity() {
  67   return extensions_activity_;
  68 }
  69
  70 }  // namespace browser_sync