Implement declarativeContent API.

chrome/browser/extensions/tab_helper.cc

 // Copyright (c) 2012 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/extensions/tab_helper.h"
 
 #include "chrome/browser/extensions/activity_log.h"
+#include "chrome/browser/extensions/api/declarative/rules_registry_service.h"
+#include "chrome/browser/extensions/api/declarative_content/content_rules_registry.h"
 #include "chrome/browser/extensions/app_notify_channel_ui.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/extensions/image_loader.h"
 #include "chrome/browser/extensions/page_action_controller.h"
 #include "chrome/browser/extensions/script_badge_controller.h"
 #include "chrome/browser/extensions/script_bubble_controller.h"
 #include "chrome/browser/extensions/script_executor.h"
 #include "chrome/browser/extensions/webstore_standalone_installer.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
@@ skipping 54 matching lines @@
 TabHelper::TabHelper(content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
       extension_app_(NULL),
       ALLOW_THIS_IN_INITIALIZER_LIST(
           extension_function_dispatcher_(
               Profile::FromBrowserContext(web_contents->GetBrowserContext()),
               this)),
       pending_web_app_action_(NONE),
       script_executor_(new ScriptExecutor(web_contents,
                                           &script_execution_observers_)),
+      rules_registry_service_(
+          ExtensionSystem::Get(
+              Profile::FromBrowserContext(web_contents->GetBrowserContext()))->
+          rules_registry_service()),
       ALLOW_THIS_IN_INITIALIZER_LIST(image_loader_ptr_factory_(this)) {
   // The ActiveTabPermissionManager requires a session ID; ensure this
   // WebContents has one.
   SessionTabHelper::CreateForWebContents(web_contents);
   active_tab_permission_granter_.reset(new ActiveTabPermissionGranter(
       web_contents,
       SessionID::IdForTab(web_contents),
       Profile::FromBrowserContext(web_contents->GetBrowserContext())));
   if (FeatureSwitch::script_badges()->IsEnabled()) {
     location_bar_controller_.reset(
@@ skipping 84 matching lines @@
 
 void TabHelper::RenderViewCreated(RenderViewHost* render_view_host) {
   render_view_host->Send(
       new ExtensionMsg_SetTabId(render_view_host->GetRoutingID(),
                                 SessionID::IdForTab(web_contents())));
 }
 
 void TabHelper::DidNavigateMainFrame(
     const content::LoadCommittedDetails& details,
     const content::FrameNavigateParams& params) {
+#if defined(ENABLE_EXTENSIONS)
+  if (rules_registry_service_) {
+    rules_registry_service_->content_rules_registry()->DidNavigateMainFrame(
+        web_contents(), details, params);
+  }
+#endif  // defined(ENABLE_EXTENSIONS)
+
   if (details.is_in_page)
     return;
 
   Profile* profile =
       Profile::FromBrowserContext(web_contents()->GetBrowserContext());
   ExtensionService* service = profile->GetExtensionService();
   if (!service)
     return;
 
   ExtensionActionManager* extension_action_manager =
@@ skipping 21 matching lines @@
                         OnInstallApplication)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_InlineWebstoreInstall,
                         OnInlineWebstoreInstall)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_GetAppNotifyChannel,
                         OnGetAppNotifyChannel)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_GetAppInstallState,
                         OnGetAppInstallState);
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_ContentScriptsExecuting,
                         OnContentScriptsExecuting)
+    IPC_MESSAGE_HANDLER(ExtensionHostMsg_OnWatchedPageChange,
+                        OnWatchedPageChange)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void TabHelper::DidCloneToNewWebContents(WebContents* old_web_contents,
                                          WebContents* new_web_contents) {
   // When the WebContents that this is attached to is cloned, give the new clone
   // a TabHelper and copy state over.
   CreateForWebContents(new_web_contents);
@@ skipping 168 matching lines @@
     const ScriptExecutionObserver::ExecutingScriptsMap& executing_scripts_map,
     int32 on_page_id,
     const GURL& on_url) {
   FOR_EACH_OBSERVER(ScriptExecutionObserver, script_execution_observers_,
                     OnScriptsExecuted(web_contents(),
                                       executing_scripts_map,
                                       on_page_id,
                                       on_url));
 }
 
+void TabHelper::OnWatchedPageChange(
+    const std::vector<std::string>& css_selectors) {
+#if defined(ENABLE_EXTENSIONS)
+  if (rules_registry_service_) {
+    rules_registry_service_->content_rules_registry()->Apply(
+        web_contents(), css_selectors);
+  }
+#endif  // defined(ENABLE_EXTENSIONS)
+}
+
 const Extension* TabHelper::GetExtension(const std::string& extension_app_id) {
   if (extension_app_id.empty())
     return NULL;
 
   Profile* profile =
       Profile::FromBrowserContext(web_contents()->GetBrowserContext());
   ExtensionService* extension_service = profile->GetExtensionService();
   if (!extension_service || !extension_service->is_ready())
     return NULL;
 
@@ skipping 88 matching lines @@
         script_bubble_controller_->OnExtensionUnloaded(
             content::Details<extensions::UnloadedExtensionInfo>(
                 details)->extension->id());
         break;
       }
     }
   }
 }
 
 }  // namespace extensions