OLD | NEW |
(Empty) | |
| 1 // Copyright 2016 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_BROWSER_EXTENSIONS_CLIPBOARD_EXTENSION_HELPER_H_ |
| 6 #define CHROME_BROWSER_EXTENSIONS_CLIPBOARD_EXTENSION_HELPER_H_ |
| 7 |
| 8 #include <string> |
| 9 #include <vector> |
| 10 |
| 11 #include "base/callback.h" |
| 12 #include "base/memory/weak_ptr.h" |
| 13 #include "extensions/common/api/clipboard.h" |
| 14 #include "ui/gfx/image/image_skia.h" |
| 15 |
| 16 namespace ui { |
| 17 class ScopedClipboardWriter; |
| 18 } |
| 19 |
| 20 namespace extensions { |
| 21 |
| 22 // A helper class for decoding the image data and saving decoded image data on |
| 23 // clipboard, called from clipboard extension API. |
| 24 class ClipboardExtensionHelper { |
| 25 public: |
| 26 ClipboardExtensionHelper(); |
| 27 ~ClipboardExtensionHelper(); |
| 28 |
| 29 // Decodes and saves the image data on clipboard. Must run on UI thread. |
| 30 void DecodeAndSaveImageData(const std::vector<char>& data, |
| 31 api::clipboard::ImageType type, |
| 32 const base::Closure& success_callback, |
| 33 const base::Closure& error_callback); |
| 34 |
| 35 protected: |
| 36 // A class to decode PNG and JPEG file. |
| 37 class ClipboardImageDataDecoder; |
| 38 |
| 39 static ClipboardImageDataDecoder* clipboard_image_data_decoder_; |
| 40 |
| 41 private: |
| 42 // Handles decoded image data. |
| 43 void OnImageDecoded(const SkBitmap& bitmap); |
| 44 // Handles image decoding failure case. |
| 45 void OnImageDecodeFailure(); |
| 46 // Handles image decoding request cancelation case. |
| 47 void OnImageDecodeCancel(); |
| 48 |
| 49 base::Closure image_save_success_callback_; |
| 50 base::Closure image_save_error_callback_; |
| 51 std::unique_ptr<ui::ScopedClipboardWriter> clipboard_writer_; |
| 52 base::WeakPtrFactory<ClipboardExtensionHelper> weak_factory_; |
| 53 |
| 54 DISALLOW_COPY_AND_ASSIGN(ClipboardExtensionHelper); |
| 55 }; |
| 56 |
| 57 } // namespace extensions |
| 58 |
| 59 #endif // CHROME_BROWSER_EXTENSIONS_CLIPBOARD_EXTENSION_HELPER_H_ |
OLD | NEW |