48 lines
1.5 KiB
C++
48 lines
1.5 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 "base/bind.h"
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#include "base/threading/thread_task_runner_handle.h"
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#include "content/public/browser/browser_thread.h"
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using content::BrowserThread;
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IconLoader::IconLoader(const base::FilePath& file_path,
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IconSize size,
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Delegate* delegate)
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: target_task_runner_(NULL),
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file_path_(file_path),
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icon_size_(size),
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delegate_(delegate) {}
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IconLoader::~IconLoader() {}
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void IconLoader::Start() {
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target_task_runner_ = base::ThreadTaskRunnerHandle::Get();
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BrowserThread::PostTaskAndReply(BrowserThread::FILE, FROM_HERE,
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base::Bind(&IconLoader::ReadGroup, this),
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base::Bind(&IconLoader::OnReadGroup, this));
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}
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void IconLoader::ReadGroup() {
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group_ = ReadGroupIDFromFilepath(file_path_);
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}
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void IconLoader::OnReadGroup() {
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if (IsIconMutableFromFilepath(file_path_) ||
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!delegate_->OnGroupLoaded(this, group_)) {
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BrowserThread::PostTask(ReadIconThreadID(), FROM_HERE,
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base::Bind(&IconLoader::ReadIcon, this));
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}
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}
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void IconLoader::NotifyDelegate() {
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// If the delegate takes ownership of the Image, release it from the scoped
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// pointer.
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if (delegate_->OnImageLoaded(this, image_.get(), group_))
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ignore_result(image_.release()); // Can't ignore return value.
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}
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