blob: 7a16d2eced781c76469b71aa9390ca6eb8058e11 [file] [log] [blame]
// 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.
#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"
struct PrintHostMsg_ScriptedPrint_Params;
class Profile;
class ProfileIOData;
namespace base {
class DictionaryValue;
class FilePath;
namespace content {
class WebContents;
namespace printing {
class PrinterQuery;
class PrintJobManager;
class PrintQueriesQueue;
// This class filters out incoming printing related IPC messages for the
// renderer process on the IPC thread.
class PrintingMessageFilter : public content::BrowserMessageFilter {
PrintingMessageFilter(int render_process_id, Profile* profile);
// content::BrowserMessageFilter methods.
virtual void OverrideThreadForMessage(
const IPC::Message& message,
content::BrowserThread::ID* thread) OVERRIDE;
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual ~PrintingMessageFilter();
#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);
#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);
#if defined(OS_CHROMEOS)
void CreatePrintDialogForFile(int render_view_id, const base::FilePath& path);
#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);
// 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;
// Retrieve print settings. Uses |render_view_id| to get a parent
// for any UI created if needed.
void GetPrintSettingsForRenderView(
int render_view_id,
GetPrintSettingsForRenderViewParams params,
const base::Closure& callback,
scoped_refptr<printing::PrinterQuery> printer_query);
void OnGetPrintSettingsFailed(
const base::Closure& callback,
scoped_refptr<printing::PrinterQuery> printer_query);
// 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<printing::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<printing::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<printing::PrinterQuery> printer_query,
IPC::Message* reply_msg);
// Check to see if print preview has been cancelled.
void OnCheckForCancel(int32 preview_ui_id,
int preview_request_id,
bool* cancel);
ProfileIOData* profile_io_data_;
const int render_process_id_;
scoped_refptr<printing::PrintQueriesQueue> queue_;