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// Copyright (c) 2011 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"
#include "base/basictypes.h"
#include "base/bind.h"
#include "content/public/browser/browser_thread.h"
#include "third_party/skia/include/core/SkBitmap.h"
#if defined(TOOLKIT_USES_GTK)
#include "base/nix/mime_util_xdg.h"
#endif
using content::BrowserThread;
IconLoader::IconLoader(const IconGroupID& group, IconSize size,
Delegate* delegate)
: target_message_loop_(NULL),
group_(group),
icon_size_(size),
image_(NULL),
delegate_(delegate) {
}
IconLoader::~IconLoader() {
}
void IconLoader::Start() {
target_message_loop_ = base::MessageLoopProxy::current();
#if defined(TOOLKIT_USES_GTK)
// This call must happen on the UI thread before we can start loading icons.
base::nix::DetectGtkTheme();
#endif
BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
base::Bind(&IconLoader::ReadIcon, this));
}
void IconLoader::NotifyDelegate() {
// If the delegate takes ownership of the Image, release it from the scoped
// pointer.
if (delegate_->OnImageLoaded(this, image_.get()))
ignore_result(image_.release()); // Can't ignore return value.
}
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