components/printing/browser/print_manager.h

   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 #ifndef COMPONENTS_PRINTING_BROWSER_PRINT_MANAGER_H_
   6 #define COMPONENTS_PRINTING_BROWSER_PRINT_MANAGER_H_
   7
   8 #include "content/public/browser/web_contents_observer.h"
   9
  10 #if defined(OS_ANDROID)
  11 #include "base/callback.h"
  12 #include "base/file_descriptor_posix.h"
  13 #endif
  14
  15 namespace printing {
  16
  17 class PrintManager : public content::WebContentsObserver {
  18  public:
  19   ~PrintManager() override;
  20
  21 #if defined(OS_ANDROID)
  22   // TODO(timvolodine): consider introducing PrintManagerAndroid (crbug/500960)
  23   typedef base::Callback<void(int, bool)> PdfWritingDoneCallback;
  24
  25   void PdfWritingDone(bool result);
  26
  27   // Sets the file descriptor into which the PDF will be written.
  28   void set_file_descriptor(const base::FileDescriptor& file_descriptor) {
  29     file_descriptor_ = file_descriptor;
  30   }
  31
  32   // Gets the file descriptor into which the PDF will be written.
  33   base::FileDescriptor file_descriptor() const { return file_descriptor_; }
  34 #endif
  35
  36  protected:
  37   explicit PrintManager(content::WebContents* contents);
  38
  39   // Terminates or cancels the print job if one was pending.
  40   void RenderProcessGone(base::TerminationStatus status) override;
  41
  42   // content::WebContentsObserver
  43   bool OnMessageReceived(const IPC::Message& message) override;
  44
  45   // IPC handlers
  46   virtual void OnDidGetPrintedPagesCount(int cookie, int number_pages);
  47   virtual void OnPrintingFailed(int cookie);
  48
  49   int number_pages_;  // Number of pages to print in the print job.
  50   int cookie_;        // The current document cookie.
  51
  52 #if defined(OS_ANDROID)
  53   // The file descriptor into which the PDF of the page will be written.
  54   base::FileDescriptor file_descriptor_;
  55
  56   // Callback to execute when done writing pdf.
  57   PdfWritingDoneCallback pdf_writing_done_callback_;
  58 #endif
  59
  60  private:
  61   void OnDidGetDocumentCookie(int cookie);
  62
  63   DISALLOW_COPY_AND_ASSIGN(PrintManager);
  64 };
  65
  66 }  // namespace printing
  67
  68 #endif  // COMPONENTS_PRINTING_BROWSER_PRINT_MANAGER_H_