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