| // Copyright (c) 2011 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. |
| |
| #ifndef CHROME_BROWSER_UI_SEARCH_ENGINES_SEARCH_ENGINE_TAB_HELPER_H_ |
| #define CHROME_BROWSER_UI_SEARCH_ENGINES_SEARCH_ENGINE_TAB_HELPER_H_ |
| |
| #include "base/memory/weak_ptr.h" |
| #include "chrome/browser/ui/find_bar/find_bar_controller.h" |
| #include "chrome/browser/ui/find_bar/find_notification_details.h" |
| #include "chrome/common/search_provider.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| |
| class SearchEngineTabHelperDelegate; |
| class TemplateURL; |
| |
| // Per-tab search engine manager. Handles dealing search engine processing |
| // functionality. |
| class SearchEngineTabHelper |
| : public content::WebContentsObserver, |
| public content::WebContentsUserData<SearchEngineTabHelper> { |
| public: |
| ~SearchEngineTabHelper() override; |
| |
| SearchEngineTabHelperDelegate* delegate() const { return delegate_; } |
| void set_delegate(SearchEngineTabHelperDelegate* d) { delegate_ = d; } |
| |
| // content::WebContentsObserver overrides. |
| void DidNavigateMainFrame( |
| const content::LoadCommittedDetails& details, |
| const content::FrameNavigateParams& params) override; |
| bool OnMessageReceived(const IPC::Message& message) override; |
| |
| private: |
| explicit SearchEngineTabHelper(content::WebContents* web_contents); |
| friend class content::WebContentsUserData<SearchEngineTabHelper>; |
| |
| // Handles when a page specifies an OSDD (OpenSearch Description Document). |
| void OnPageHasOSDD(const GURL& page_url, |
| const GURL& osdd_url, |
| const search_provider::OSDDType& msg_provider_type); |
| |
| // Handles when an OSDD is downloaded. |
| void OnDownloadedOSDD(scoped_ptr<TemplateURL> template_url); |
| |
| // If params has a searchable form, this tries to create a new keyword. |
| void GenerateKeywordIfNecessary( |
| const content::FrameNavigateParams& params); |
| |
| // Delegate for notifying our owner about stuff. Not owned by us. |
| SearchEngineTabHelperDelegate* delegate_; |
| |
| base::WeakPtrFactory<SearchEngineTabHelper> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SearchEngineTabHelper); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_SEARCH_ENGINES_SEARCH_ENGINE_TAB_HELPER_H_ |