56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
// Copyright 2013 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/memory/ptr_util.h"
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#include "base/message_loop/message_loop.h"
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#include "base/nix/mime_util_xdg.h"
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#include "ui/views/linux_ui/linux_ui.h"
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// static
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IconLoader::IconGroup IconLoader::GroupForFilepath(
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const base::FilePath& file_path) {
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return base::nix::GetFileMimeType(file_path);
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}
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// static
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scoped_refptr<base::TaskRunner> IconLoader::GetReadIconTaskRunner() {
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// ReadIcon() calls into views::LinuxUI and GTK2 code, so it must be on the UI
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// thread.
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return content::BrowserThread::GetTaskRunnerForThread(
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content::BrowserThread::UI);
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}
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void IconLoader::ReadIcon() {
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int size_pixels = 0;
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switch (icon_size_) {
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case IconLoader::SMALL:
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size_pixels = 16;
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break;
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case IconLoader::NORMAL:
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size_pixels = 32;
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break;
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case IconLoader::LARGE:
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size_pixels = 48;
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break;
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default:
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NOTREACHED();
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}
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std::unique_ptr<gfx::Image> image;
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views::LinuxUI* ui = views::LinuxUI::instance();
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if (ui) {
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image = base::MakeUnique<gfx::Image>(
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ui->GetIconForContentType(group_, size_pixels));
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if (image->IsEmpty())
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image = nullptr;
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}
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target_task_runner_->PostTask(
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FROM_HERE, base::BindOnce(callback_, base::Passed(&image), group_));
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delete this;
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}
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