b25b141642
* create iconmanager as singleton class and cleanup code
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "chrome/browser/icon_loader.h"
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#include <windows.h>
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#include <shellapi.h>
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#include "base/bind.h"
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#include "base/message_loop/message_loop.h"
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#include "base/threading/thread.h"
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#include "third_party/skia/include/core/SkBitmap.h"
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#include "ui/display/win/dpi.h"
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#include "ui/gfx/geometry/size.h"
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#include "ui/gfx/icon_util.h"
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#include "ui/gfx/image/image_skia.h"
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// static
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IconGroupID IconLoader::ReadGroupIDFromFilepath(
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const base::FilePath& filepath) {
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if (!IsIconMutableFromFilepath(filepath))
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return filepath.Extension();
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return filepath.value();
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}
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// static
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bool IconLoader::IsIconMutableFromFilepath(const base::FilePath& filepath) {
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return filepath.MatchesExtension(L".exe") ||
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filepath.MatchesExtension(L".dll") ||
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filepath.MatchesExtension(L".ico");
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}
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// static
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content::BrowserThread::ID IconLoader::ReadIconThreadID() {
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return content::BrowserThread::FILE;
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}
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void IconLoader::ReadIcon() {
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int size = 0;
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switch (icon_size_) {
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case IconLoader::SMALL:
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size = SHGFI_SMALLICON;
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break;
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case IconLoader::NORMAL:
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size = 0;
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break;
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case IconLoader::LARGE:
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size = SHGFI_LARGEICON;
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break;
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default:
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NOTREACHED();
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}
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image_.reset();
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SHFILEINFO file_info = {0};
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if (SHGetFileInfo(group_.c_str(), FILE_ATTRIBUTE_NORMAL, &file_info,
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sizeof(SHFILEINFO),
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SHGFI_ICON | size | SHGFI_USEFILEATTRIBUTES)) {
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std::unique_ptr<SkBitmap> bitmap(
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IconUtil::CreateSkBitmapFromHICON(file_info.hIcon));
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if (bitmap.get()) {
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gfx::ImageSkia image_skia(
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gfx::ImageSkiaRep(*bitmap, display::win::GetDPIScale()));
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image_skia.MakeThreadSafe();
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image_.reset(new gfx::Image(image_skia));
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DestroyIcon(file_info.hIcon);
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}
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}
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// Always notify the delegate, regardless of success.
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target_task_runner_->PostTask(FROM_HERE,
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base::Bind(&IconLoader::NotifyDelegate, this));
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}
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