| // 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 CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_ |
| #define CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_ |
| |
| #include <map> |
| |
| #include "base/files/file.h" |
| #include "base/memory/singleton.h" |
| #include "base/process/process.h" |
| #include "ipc/ipc_platform_file.h" |
| |
| namespace base { |
| class FilePath; |
| } |
| |
| namespace content { |
| |
| class WebContents; |
| |
| class MHTMLGenerationManager { |
| public: |
| static MHTMLGenerationManager* GetInstance(); |
| |
| typedef base::Callback<void(int64 /* size of the file */)> |
| GenerateMHTMLCallback; |
| |
| // Instructs the render view to generate a MHTML representation of the current |
| // page for |web_contents|. |
| void SaveMHTML(WebContents* web_contents, |
| const base::FilePath& file, |
| const GenerateMHTMLCallback& callback); |
| |
| // Instructs the render view to generate a MHTML representation of the current |
| // page for |web_contents|. |
| void StreamMHTML(WebContents* web_contents, |
| base::File file, |
| const GenerateMHTMLCallback& callback); |
| |
| // Notification from the renderer that the MHTML generation finished. |
| // |mhtml_data_size| contains the size in bytes of the generated MHTML data, |
| // or -1 in case of failure. |
| void MHTMLGenerated(int job_id, int64 mhtml_data_size); |
| |
| private: |
| friend struct DefaultSingletonTraits<MHTMLGenerationManager>; |
| class Job; |
| |
| MHTMLGenerationManager(); |
| virtual ~MHTMLGenerationManager(); |
| |
| // Called on the file thread to create |file|. |
| void CreateFile(int job_id, |
| const base::FilePath& file, |
| base::ProcessHandle renderer_process); |
| |
| // Called on the UI thread when the file that should hold the MHTML data has |
| // been created. This receives a handle to that file for the browser process |
| // and one for the renderer process. |
| void FileAvailable(int job_id, |
| base::File browser_file, |
| IPC::PlatformFileForTransit renderer_file); |
| |
| // Called on the file thread to close the file the MHTML was saved to. |
| void CloseFile(base::File file); |
| |
| // Called on the UI thread when a job has been processed (successfully or |
| // not). Closes the file and removes the job from the job map. |
| // |mhtml_data_size| is -1 if the MHTML generation failed. |
| void JobFinished(int job_id, int64 mhtml_data_size); |
| |
| // Creates an register a new job. |
| int NewJob(WebContents* web_contents, const GenerateMHTMLCallback& callback); |
| |
| // Called when the render process connected to a job exits. |
| void RenderProcessExited(Job* job); |
| |
| typedef std::map<int, Job*> IDToJobMap; |
| IDToJobMap id_to_job_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MHTMLGenerationManager); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_ |