sync: Route local sessions events to SessionsSyncManager

chrome/browser/sync/sessions2/notification_service_sessions_router.cc

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/sync/sessions2/notification_service_sessions_router.h"
+
+#include "base/logging.h"
+#include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/extensions/tab_helper.h"
+#include "chrome/browser/favicon/favicon_changed_details.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/sync/glue/sync_start_util.h"
+#include "chrome/browser/sync/glue/synced_tab_delegate.h"
+#include "chrome/browser/ui/browser.h"
+#include "content/public/browser/navigation_controller.h"
+#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/notification_details.h"
+#include "content/public/browser/notification_service.h"
+#include "content/public/browser/notification_source.h"
+#include "content/public/browser/web_contents.h"
+
+#if defined(ENABLE_MANAGED_USERS)
+#include "chrome/browser/managed_mode/managed_user_service.h"
+#include "chrome/browser/managed_mode/managed_user_service_factory.h"
+#endif
+
+using content::NavigationController;
+using content::WebContents;
+
+namespace browser_sync {
+
+NotificationServiceSessionsRouter::NotificationServiceSessionsRouter(
+    Profile* profile, const syncer::SyncableService::StartSyncFlare& flare)
+        : handler_(NULL),
+          profile_(profile),
+          flare_(flare),
+          weak_ptr_factory_(this) {
+
+  registrar_.Add(this, chrome::NOTIFICATION_TAB_PARENTED,
+      content::NotificationService::AllSources());
+  registrar_.Add(this, content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
+      content::NotificationService::AllSources());
+  registrar_.Add(this, content::NOTIFICATION_NAV_LIST_PRUNED,
+      content::NotificationService::AllSources());
+  registrar_.Add(this, content::NOTIFICATION_NAV_ENTRY_CHANGED,
+      content::NotificationService::AllSources());
+  registrar_.Add(this, content::NOTIFICATION_NAV_ENTRY_COMMITTED,
+      content::NotificationService::AllSources());
+  registrar_.Add(this,
+      chrome::NOTIFICATION_TAB_CONTENTS_APPLICATION_EXTENSION_CHANGED,
+      content::NotificationService::AllSources());
+  registrar_.Add(this,
+      content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
+      content::NotificationService::AllBrowserContextsAndSources());
+  registrar_.Add(this, chrome::NOTIFICATION_FAVICON_CHANGED,
+      content::Source<Profile>(profile_));
+#if defined(ENABLE_MANAGED_USERS)
+  if (profile_->IsManaged()) {
+    ManagedUserService* managed_user_service =
+        ManagedUserServiceFactory::GetForProfile(profile_);
+    managed_user_service->AddNavigationBlockedCallback(
+        base::Bind(&NotificationServiceSessionsRouter::OnNavigationBlocked,
+                   weak_ptr_factory_.GetWeakPtr()));
+  }
+#endif
+}
+
+NotificationServiceSessionsRouter::~NotificationServiceSessionsRouter() {}
+
+void NotificationServiceSessionsRouter::Observe(
+    int type,
+    const content::NotificationSource& source,
+    const content::NotificationDetails& details) {
+  switch (type) {
+    case chrome::NOTIFICATION_FAVICON_CHANGED: {
+      content::Details<FaviconChangedDetails> favicon_details(details);
+      if (handler_)
+        handler_->OnFaviconPageUrlsUpdated(favicon_details->urls);
+      return;
+    }
+    // Source<WebContents>.
+    case chrome::NOTIFICATION_TAB_PARENTED:
+    case content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME:
+    case content::NOTIFICATION_WEB_CONTENTS_DESTROYED: {
+      WebContents* web_contents = content::Source<WebContents>(source).ptr();
+      SyncedTabDelegate* tab =
+          SyncedTabDelegate::ImplFromWebContents(web_contents);
+      if (!tab || tab->profile() != profile_)
+        return;
+      if (handler_)
+        handler_->OnLocalTabModified(tab);
+      break;
+    }
+    // Source<NavigationController>.
+    case content::NOTIFICATION_NAV_LIST_PRUNED:
+    case content::NOTIFICATION_NAV_ENTRY_CHANGED:
+    case content::NOTIFICATION_NAV_ENTRY_COMMITTED: {
+      SyncedTabDelegate* tab = SyncedTabDelegate::ImplFromWebContents(
+          content::Source<NavigationController>(source).ptr()->
+              GetWebContents());
+      if (!tab || tab->profile() != profile_)
+        return;
+      if (handler_)
+        handler_->OnLocalTabModified(tab);
+      break;
+    }
+    case chrome::NOTIFICATION_TAB_CONTENTS_APPLICATION_EXTENSION_CHANGED: {
+      extensions::TabHelper* extension_tab_helper =
+          content::Source<extensions::TabHelper>(source).ptr();
+      if (extension_tab_helper->web_contents()->GetBrowserContext() !=
+              profile_) {
+        return;
+      }
+      if (extension_tab_helper->extension_app()) {
+        SyncedTabDelegate* tab = SyncedTabDelegate::ImplFromWebContents(
+            extension_tab_helper->web_contents());
+        if (handler_)
+          handler_->OnLocalTabModified(tab);
+        break;
+      }
+      return;
+    }
+    default:
+      LOG(ERROR) << "Received unexpected notification of type " << type;
+      return;
+  }
+
+  if (!flare_.is_null()) {
+    flare_.Run(syncer::SESSIONS);
+    flare_.Reset();
+  }
+}
+
+void NotificationServiceSessionsRouter::OnNavigationBlocked(
+    content::WebContents* web_contents) {
+  SyncedTabDelegate* tab =
+      SyncedTabDelegate::ImplFromWebContents(web_contents);
+  if (!tab)
+    return;
+
+  DCHECK(tab->profile() == profile_);
+  handler_->OnLocalTabModified(tab);
+}
+
+void NotificationServiceSessionsRouter::StartRoutingTo(
+    LocalSessionEventHandler* handler) {
+  DCHECK(!handler_);
+  handler_ = handler;
+}
+
+void NotificationServiceSessionsRouter::Stop() {
+  weak_ptr_factory_.InvalidateWeakPtrs();
+  registrar_.RemoveAll();
+  handler_ = NULL;
+}
+
+}  // namespace browser_sync