electron/chromium_src/chrome/browser/icon_loader_auralinux.cc
2018-04-12 22:34:26 -04:00

55 lines
1.4 KiB
C++

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