components/printing/browser/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 "components/printing/browser/print_manager.h"
   6
   7 #include "components/printing/common/print_messages.h"
   8
   9 namespace printing {
  10
  11 PrintManager::PrintManager(content::WebContents* contents)
  12     : content::WebContentsObserver(contents),
  13       number_pages_(0),
  14       cookie_(0) {
  15 }
  16
  17 PrintManager::~PrintManager() {
  18 }
  19
  20 bool PrintManager::OnMessageReceived(const IPC::Message& message) {
  21   bool handled = true;
  22   IPC_BEGIN_MESSAGE_MAP(PrintManager, message)
  23     IPC_MESSAGE_HANDLER(PrintHostMsg_DidGetPrintedPagesCount,
  24                         OnDidGetPrintedPagesCount)
  25     IPC_MESSAGE_HANDLER(PrintHostMsg_DidGetDocumentCookie,
  26                         OnDidGetDocumentCookie)
  27     IPC_MESSAGE_HANDLER(PrintHostMsg_PrintingFailed, OnPrintingFailed)
  28     IPC_MESSAGE_UNHANDLED(handled = false)
  29   IPC_END_MESSAGE_MAP()
  30   return handled;
  31 }
  32
  33 void PrintManager::OnDidGetPrintedPagesCount(int cookie,
  34                                              int number_pages) {
  35   DCHECK_GT(cookie, 0);
  36   DCHECK_GT(number_pages, 0);
  37   number_pages_ = number_pages;
  38 }
  39
  40 void PrintManager::OnDidGetDocumentCookie(int cookie) {
  41   cookie_ = cookie;
  42 }
  43
  44 void PrintManager::OnPrintingFailed(int cookie) {
  45   if (cookie != cookie_) {
  46     NOTREACHED();
  47     return;
  48   }
  49 #if defined(OS_ANDROID)
  50   PdfWritingDone(false);
  51 #endif
  52 }
  53
  54 void PrintManager::RenderProcessGone(base::TerminationStatus status) {
  55 #if defined(OS_ANDROID)
  56   PdfWritingDone(false);
  57 #endif
  58 }
  59
  60 #if defined(OS_ANDROID)
  61 void PrintManager::PdfWritingDone(bool result) {
  62   if (!pdf_writing_done_callback_.is_null())
  63     pdf_writing_done_callback_.Run(file_descriptor().fd, result);
  64   // Invalidate the file descriptor so it doesn't get reused.
  65   file_descriptor_ = base::FileDescriptor(-1, false);
  66 }
  67 #endif
  68
  69 }  // namespace printing