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| 1 // Copyright (c) 2011 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 "chrome/browser/icon_loader.h" |
| 6 |
| 7 #include <string> |
| 8 |
| 9 #include "base/file_util.h" |
| 10 #include "base/logging.h" |
| 11 #include "base/message_loop.h" |
| 12 #include "base/mime_util.h" |
| 13 #include "third_party/skia/include/core/SkBitmap.h" |
| 14 #include "webkit/glue/image_decoder.h" |
| 15 |
| 16 using std::string; |
| 17 |
| 18 void IconLoader::ReadIcon() { |
| 19 int size_pixels = 0; |
| 20 switch (icon_size_) { |
| 21 case IconLoader::SMALL: |
| 22 size_pixels = 16; |
| 23 break; |
| 24 case IconLoader::NORMAL: |
| 25 size_pixels = 32; |
| 26 break; |
| 27 case IconLoader::LARGE: |
| 28 size_pixels = 48; |
| 29 break; |
| 30 default: |
| 31 NOTREACHED(); |
| 32 } |
| 33 |
| 34 FilePath filename = mime_util::GetMimeIcon(group_, size_pixels); |
| 35 string icon_data; |
| 36 file_util::ReadFileToString(filename, &icon_data); |
| 37 |
| 38 webkit_glue::ImageDecoder decoder; |
| 39 scoped_ptr<SkBitmap> bitmap(new SkBitmap()); |
| 40 *bitmap = decoder.Decode( |
| 41 reinterpret_cast<const unsigned char*>(icon_data.data()), |
| 42 icon_data.length()); |
| 43 if (!bitmap->empty()) { |
| 44 DCHECK_EQ(size_pixels, bitmap->width()); |
| 45 DCHECK_EQ(size_pixels, bitmap->height()); |
| 46 image_.reset(new gfx::Image(bitmap.release())); |
| 47 } else { |
| 48 LOG(WARNING) << "Unsupported file type or load error: " << filename.value(); |
| 49 } |
| 50 |
| 51 target_message_loop_->PostTask( |
| 52 FROM_HERE, NewRunnableMethod(this, &IconLoader::NotifyDelegate)); |
| 53 } |
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