| // 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. |
| |
| #ifndef CHROME_BROWSER_UI_PDF_PDF_TAB_HELPER_H_ |
| #define CHROME_BROWSER_UI_PDF_PDF_TAB_HELPER_H_ |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| |
| class OpenPDFInReaderPromptDelegate; |
| |
| namespace content { |
| class WebContents; |
| } |
| |
| // Per-tab class to handle PDF messages. |
| class PDFTabHelper : public content::WebContentsObserver, |
| public content::WebContentsUserData<PDFTabHelper> { |
| public: |
| |
| explicit PDFTabHelper(content::WebContents* web_contents); |
| virtual ~PDFTabHelper(); |
| |
| OpenPDFInReaderPromptDelegate* open_in_reader_prompt() const { |
| return open_in_reader_prompt_.get(); |
| } |
| |
| void ShowOpenInReaderPrompt(scoped_ptr<OpenPDFInReaderPromptDelegate> prompt); |
| |
| private: |
| // content::WebContentsObserver overrides: |
| virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
| virtual void DidNavigateMainFrame( |
| const content::LoadCommittedDetails& details, |
| const content::FrameNavigateParams& params) OVERRIDE; |
| |
| // Internal helpers ---------------------------------------------------------- |
| |
| void UpdateLocationBar(); |
| |
| // Message handlers. |
| void OnHasUnsupportedFeature(); |
| void OnSaveURLAs(const GURL& url, |
| const content::Referrer& referrer); |
| void OnUpdateContentRestrictions(int content_restrictions); |
| |
| // The model for the confirmation prompt to open a PDF in Adobe Reader. |
| scoped_ptr<OpenPDFInReaderPromptDelegate> open_in_reader_prompt_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PDFTabHelper); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_PDF_PDF_TAB_HELPER_H_ |