chrome/utility/image_writer/image_writer_handler.h

   1 // Copyright 2014 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 CHROME_UTILITY_IMAGE_WRITER_IMAGE_WRITER_HANDLER_H_
   6 #define CHROME_UTILITY_IMAGE_WRITER_IMAGE_WRITER_HANDLER_H_
   7
   8 #include <string>
   9
  10 #include "chrome/utility/image_writer/image_writer.h"
  11 #include "chrome/utility/utility_message_handler.h"
  12 #include "ipc/ipc_message.h"
  13
  14 namespace base {
  15 class FilePath;
  16 }
  17
  18 namespace image_writer {
  19
  20 // A handler for messages related to writing images.  This class is added as a
  21 // handler in ChromeContentUtilityClient.
  22 class ImageWriterHandler : public UtilityMessageHandler {
  23  public:
  24   ImageWriterHandler();
  25   ~ImageWriterHandler() override;
  26
  27   // Methods for sending the different messages back to the browser process.
  28   // Generally should be called by chrome::image_writer::ImageWriter.
  29   virtual void SendSucceeded();
  30   virtual void SendCancelled();
  31   virtual void SendFailed(const std::string& message);
  32   virtual void SendProgress(int64 progress);
  33
  34  private:
  35   bool OnMessageReceived(const IPC::Message& message) override;
  36
  37   // Small wrapper for sending on the UtilityProcess.
  38   void Send(IPC::Message* msg);
  39
  40   // Message handlers.
  41   void OnWriteStart(const base::FilePath& image, const base::FilePath& device);
  42   void OnVerifyStart(const base::FilePath& image, const base::FilePath& device);
  43   void OnCancel();
  44
  45   scoped_ptr<ImageWriter> image_writer_;
  46 };
  47
  48 }  // namespace image_writer
  49
  50 #endif  // CHROME_UTILITY_IMAGE_WRITER_IMAGE_WRITER_HANDLER_H_