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[chromium-blink-merge.git] / chrome / browser / icon_loader_mac.mm
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1 // Copyright (c) 2012 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.
5 #include "chrome/browser/icon_loader.h"
7 #import <AppKit/AppKit.h>
9 #include "base/bind.h"
10 #include "base/files/file_path.h"
11 #include "base/message_loop/message_loop.h"
12 #include "base/strings/sys_string_conversions.h"
13 #include "base/threading/thread.h"
14 #include "ui/gfx/image/image_skia.h"
15 #include "ui/gfx/image/image_skia_util_mac.h"
17 // static
18 IconGroupID IconLoader::ReadGroupIDFromFilepath(
19     const base::FilePath& filepath) {
20   return filepath.Extension();
23 bool IconLoader::IsIconMutableFromFilepath(const base::FilePath&) {
24   return false;
27 void IconLoader::ReadIcon() {
28   NSString* group = base::SysUTF8ToNSString(group_);
29   NSWorkspace* workspace = [NSWorkspace sharedWorkspace];
30   NSImage* icon = [workspace iconForFileType:group];
32   if (icon_size_ == ALL) {
33     // The NSImage already has all sizes.
34     image_.reset(new gfx::Image([icon retain]));
35   } else {
36     NSSize size = NSZeroSize;
37     switch (icon_size_) {
38       case IconLoader::SMALL:
39         size = NSMakeSize(16, 16);
40         break;
41       case IconLoader::NORMAL:
42         size = NSMakeSize(32, 32);
43         break;
44       default:
45         NOTREACHED();
46     }
47     gfx::ImageSkia image_skia(gfx::ImageSkiaFromResizedNSImage(icon, size));
48     if (!image_skia.isNull()) {
49       image_skia.MakeThreadSafe();
50       image_.reset(new gfx::Image(image_skia));
51     }
52   }
54   target_message_loop_->PostTask(FROM_HERE,
55       base::Bind(&IconLoader::NotifyDelegate, this));