android_webview/browser/aw_print_manager.cc

   1 // Copyright 2015 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 #include "android_webview/browser/aw_print_manager.h"
   6
   7 #include "components/printing/browser/print_manager_utils.h"
   8 #include "components/printing/common/print_messages.h"
   9 #include "content/public/browser/browser_thread.h"
  10
  11 DEFINE_WEB_CONTENTS_USER_DATA_KEY(android_webview::AwPrintManager);
  12
  13 namespace android_webview {
  14
  15 // static
  16 AwPrintManager* AwPrintManager::CreateForWebContents(
  17     content::WebContents* contents,
  18     const printing::PrintSettings& settings,
  19     const base::FileDescriptor& file_descriptor,
  20     const PrintManager::PdfWritingDoneCallback& callback) {
  21   AwPrintManager* print_manager =
  22       new AwPrintManager(contents, settings, file_descriptor, callback);
  23   contents->SetUserData(UserDataKey(), print_manager);
  24   return print_manager;
  25 }
  26
  27 AwPrintManager::AwPrintManager(
  28     content::WebContents* contents,
  29     const printing::PrintSettings& settings,
  30     const base::FileDescriptor& file_descriptor,
  31     const PdfWritingDoneCallback& callback)
  32     : PrintManager(contents),
  33       settings_(settings) {
  34   set_file_descriptor(file_descriptor);
  35   pdf_writing_done_callback_ = callback;
  36   cookie_ = 1;
  37 }
  38
  39 AwPrintManager::~AwPrintManager() {
  40 }
  41
  42 bool AwPrintManager::PrintNow() {
  43   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
  44   return Send(new PrintMsg_PrintPages(routing_id()));
  45 }
  46
  47 bool AwPrintManager::OnMessageReceived(const IPC::Message& message) {
  48   bool handled = true;
  49   IPC_BEGIN_MESSAGE_MAP(AwPrintManager, message)
  50     IPC_MESSAGE_HANDLER_DELAY_REPLY(PrintHostMsg_GetDefaultPrintSettings,
  51                                     OnGetDefaultPrintSettings)
  52     IPC_MESSAGE_UNHANDLED(handled = false)
  53   IPC_END_MESSAGE_MAP()
  54   return handled ? true : PrintManager::OnMessageReceived(message);
  55 }
  56
  57 void AwPrintManager::OnGetDefaultPrintSettings(IPC::Message* reply_msg) {
  58   // Unlike the printing_message_filter, we do process this in UI thread.
  59   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
  60   PrintMsg_Print_Params params;
  61   printing::RenderParamsFromPrintSettings(settings_, &params);
  62   params.document_cookie = cookie_;
  63   PrintHostMsg_GetDefaultPrintSettings::WriteReplyParams(reply_msg, params);
  64   Send(reply_msg);
  65 }
  66
  67 }  // namespace android_webview