| // 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_PRINTING_PRINTING_MESSAGE_FILTER_H_ |
| #define CHROME_BROWSER_PRINTING_PRINTING_MESSAGE_FILTER_H_ |
| |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "content/public/browser/browser_message_filter.h" |
| |
| #if defined(OS_WIN) |
| #include "base/memory/shared_memory.h" |
| #endif |
| |
| struct PrintHostMsg_ScriptedPrint_Params; |
| class Profile; |
| class ProfileIOData; |
| |
| namespace base { |
| class DictionaryValue; |
| class FilePath; |
| } |
| |
| namespace content { |
| class WebContents; |
| } |
| |
| namespace printing { |
| |
| class PrintJobManager; |
| class PrintQueriesQueue; |
| class PrinterQuery; |
| |
| // This class filters out incoming printing related IPC messages for the |
| // renderer process on the IPC thread. |
| class PrintingMessageFilter : public content::BrowserMessageFilter { |
| public: |
| PrintingMessageFilter(int render_process_id, Profile* profile); |
| |
| // content::BrowserMessageFilter methods. |
| void OverrideThreadForMessage(const IPC::Message& message, |
| content::BrowserThread::ID* thread) override; |
| bool OnMessageReceived(const IPC::Message& message) override; |
| |
| private: |
| ~PrintingMessageFilter() override; |
| |
| #if defined(OS_WIN) |
| // Used to pass resulting EMF from renderer to browser in printing. |
| void OnDuplicateSection(base::SharedMemoryHandle renderer_handle, |
| base::SharedMemoryHandle* browser_handle); |
| #endif |
| |
| #if defined(OS_CHROMEOS) || defined(OS_ANDROID) |
| // Used to ask the browser allocate a temporary file for the renderer |
| // to fill in resulting PDF in renderer. |
| void OnAllocateTempFileForPrinting(int render_view_id, |
| base::FileDescriptor* temp_file_fd, |
| int* sequence_number); |
| void OnTempFileForPrintingWritten(int render_view_id, int sequence_number); |
| #endif |
| |
| #if defined(OS_CHROMEOS) |
| void CreatePrintDialogForFile(int render_view_id, const base::FilePath& path); |
| #endif |
| |
| #if defined(OS_ANDROID) |
| // Updates the file descriptor for the PrintViewManagerBasic of a given |
| // render_view_id. |
| void UpdateFileDescriptor(int render_view_id, int fd); |
| #endif |
| |
| // Given a render_view_id get the corresponding WebContents. |
| // Must be called on the UI thread. |
| content::WebContents* GetWebContentsForRenderView(int render_view_id); |
| |
| // GetPrintSettingsForRenderView must be called via PostTask and |
| // base::Bind. Collapse the settings-specific params into a |
| // struct to avoid running into issues with too many params |
| // to base::Bind. |
| struct GetPrintSettingsForRenderViewParams; |
| |
| // Checks if printing is enabled. |
| void OnIsPrintingEnabled(bool* is_enabled); |
| |
| // Get the default print setting. |
| void OnGetDefaultPrintSettings(IPC::Message* reply_msg); |
| void OnGetDefaultPrintSettingsReply(scoped_refptr<PrinterQuery> printer_query, |
| IPC::Message* reply_msg); |
| |
| // The renderer host have to show to the user the print dialog and returns |
| // the selected print settings. The task is handled by the print worker |
| // thread and the UI thread. The reply occurs on the IO thread. |
| void OnScriptedPrint(const PrintHostMsg_ScriptedPrint_Params& params, |
| IPC::Message* reply_msg); |
| void OnScriptedPrintReply(scoped_refptr<PrinterQuery> printer_query, |
| IPC::Message* reply_msg); |
| |
| // Modify the current print settings based on |job_settings|. The task is |
| // handled by the print worker thread and the UI thread. The reply occurs on |
| // the IO thread. |
| void OnUpdatePrintSettings(int document_cookie, |
| const base::DictionaryValue& job_settings, |
| IPC::Message* reply_msg); |
| void OnUpdatePrintSettingsReply(scoped_refptr<PrinterQuery> printer_query, |
| IPC::Message* reply_msg); |
| |
| #if defined(ENABLE_PRINT_PREVIEW) |
| // Check to see if print preview has been cancelled. |
| void OnCheckForCancel(int32 preview_ui_id, |
| int preview_request_id, |
| bool* cancel); |
| #endif |
| |
| ProfileIOData* profile_io_data_; |
| |
| const int render_process_id_; |
| |
| scoped_refptr<PrintQueriesQueue> queue_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PrintingMessageFilter); |
| }; |
| |
| } // namespace printing |
| |
| #endif // CHROME_BROWSER_PRINTING_PRINTING_MESSAGE_FILTER_H_ |