1 // Copyright (c) 2012 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 #ifndef CHROME_BROWSER_EXTENSIONS_API_PAGE_CAPTURE_PAGE_CAPTURE_API_H_ 6 #define CHROME_BROWSER_EXTENSIONS_API_PAGE_CAPTURE_PAGE_CAPTURE_API_H_ 7 8 #include <string> 9 10 #include "base/memory/ref_counted.h" 11 #include "chrome/browser/extensions/chrome_extension_function.h" 12 #include "chrome/common/extensions/api/page_capture.h" 13 #include "webkit/common/blob/shareable_file_reference.h" 14 15 namespace base { 16 class FilePath; 17 } 18 19 namespace content { 20 class WebContents; 21 } 22 23 namespace extensions { 24 25 class PageCaptureSaveAsMHTMLFunction : public ChromeAsyncExtensionFunction { 26 public: 27 PageCaptureSaveAsMHTMLFunction(); 28 29 // Test specific delegate used to test that the temporary file gets deleted. 30 class TestDelegate { 31 public: 32 // Called on the UI thread when the temporary file that contains the 33 // generated data has been created. 34 virtual void OnTemporaryFileCreated(const base::FilePath& temp_file) = 0; 35 }; 36 static void SetTestDelegate(TestDelegate* delegate); 37 38 private: 39 virtual ~PageCaptureSaveAsMHTMLFunction(); 40 virtual bool RunAsync() OVERRIDE; 41 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 42 43 // Called on the file thread. 44 void CreateTemporaryFile(); 45 46 // Called on the UI thread. 47 void TemporaryFileCreated(bool success); 48 void ReturnFailure(const std::string& error); 49 void ReturnSuccess(int64 file_size); 50 51 // Callback called once the MHTML generation is done. 52 void MHTMLGenerated(int64 mhtml_file_size); 53 54 // Returns the WebContents we are associated with, NULL if it's been closed. 55 content::WebContents* GetWebContents(); 56 57 scoped_ptr<extensions::api::page_capture::SaveAsMHTML::Params> params_; 58 59 // The path to the temporary file containing the MHTML data. 60 base::FilePath mhtml_path_; 61 62 // The file containing the MHTML. 63 scoped_refptr<webkit_blob::ShareableFileReference> mhtml_file_; 64 65 DECLARE_EXTENSION_FUNCTION("pageCapture.saveAsMHTML", PAGECAPTURE_SAVEASMHTML) 66 }; 67 68 } // namespace extensions 69 70 #endif // CHROME_BROWSER_EXTENSIONS_API_PAGE_CAPTURE_PAGE_CAPTURE_API_H_ 71