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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/icon_loader.h"
#import <AppKit/AppKit.h>
#include "base/bind.h"
#include "base/files/file_path.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/sys_string_conversions.h"
#include "base/threading/thread.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/image/image_skia_util_mac.h"
// static
IconLoader::IconGroup IconLoader::GroupForFilepath(
const base::FilePath& file_path) {
return file_path.Extension();
}
// static
content::BrowserThread::ID IconLoader::ReadIconThreadID() {
return content::BrowserThread::FILE;
}
void IconLoader::ReadIcon() {
NSString* group = base::SysUTF8ToNSString(group_);
NSWorkspace* workspace = [NSWorkspace sharedWorkspace];
NSImage* icon = [workspace iconForFileType:group];
if (icon_size_ == ALL) {
// The NSImage already has all sizes.
image_.reset(new gfx::Image([icon retain]));
} else {
NSSize size = NSZeroSize;
switch (icon_size_) {
case IconLoader::SMALL:
size = NSMakeSize(16, 16);
break;
case IconLoader::NORMAL:
size = NSMakeSize(32, 32);
break;
default:
NOTREACHED();
}
gfx::ImageSkia image_skia(gfx::ImageSkiaFromResizedNSImage(icon, size));
if (!image_skia.isNull()) {
image_skia.MakeThreadSafe();
image_.reset(new gfx::Image(image_skia));
}
}
target_task_runner_->PostTask(
FROM_HERE, base::Bind(callback_, base::Passed(&image_), group_));
delete this;
}
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