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