blob: 9a0c22fcd5f694f0271339d9e362ae9a86527836 [file] [log] [blame]
// 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/task_scheduler/post_task.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
scoped_refptr<base::TaskRunner> IconLoader::GetReadIconTaskRunner() {
// NSWorkspace is thread-safe.
return base::CreateTaskRunnerWithTraits(traits());
}
void IconLoader::ReadIcon() {
NSString* group = base::SysUTF8ToNSString(group_);
NSWorkspace* workspace = [NSWorkspace sharedWorkspace];
NSImage* icon = [workspace iconForFileType:group];
std::unique_ptr<gfx::Image> image;
if (icon_size_ == ALL) {
// The NSImage already has all sizes.
image = std::make_unique<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 = std::make_unique<gfx::Image>(image_skia);
}
}
target_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(std::move(callback_), std::move(image), group_));
delete this;
}