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// Copyright 2017 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/extensions/chrome_app_icon_service.h"
#include "base/bind.h"
#include "base/threading/thread_task_runner_handle.h"
#include "chrome/browser/extensions/chrome_app_icon.h"
#include "chrome/browser/extensions/chrome_app_icon_service_factory.h"
#include "extensions/browser/extension_registry.h"
namespace extensions {
// static
ChromeAppIconService* ChromeAppIconService::Get(
content::BrowserContext* context) {
return ChromeAppIconServiceFactory::GetInstance()->GetForBrowserContext(
context);
}
ChromeAppIconService::ChromeAppIconService(content::BrowserContext* context)
: context_(context), observer_(this), weak_ptr_factory_(this) {
#if defined(OS_CHROMEOS)
app_updater_ = std::make_unique<LauncherExtensionAppUpdater>(this, context);
#endif
observer_.Add(ExtensionRegistry::Get(context_));
}
ChromeAppIconService::~ChromeAppIconService() = default;
void ChromeAppIconService::Shutdown() {
#if defined(OS_CHROMEOS)
app_updater_.reset();
#endif
}
std::unique_ptr<ChromeAppIcon> ChromeAppIconService::CreateIcon(
ChromeAppIconDelegate* delegate,
const std::string& app_id,
int resource_size_in_dip,
const ResizeFunction& resize_function) {
std::unique_ptr<ChromeAppIcon> icon = std::make_unique<ChromeAppIcon>(
delegate, context_,
base::Bind(&ChromeAppIconService::OnIconDestroyed,
weak_ptr_factory_.GetWeakPtr()),
app_id, resource_size_in_dip, resize_function);
icon_map_[icon->app_id()].insert(icon.get());
return icon;
}
std::unique_ptr<ChromeAppIcon> ChromeAppIconService::CreateIcon(
ChromeAppIconDelegate* delegate,
const std::string& app_id,
int resource_size_in_dip) {
return CreateIcon(delegate, app_id, resource_size_in_dip, ResizeFunction());
}
void ChromeAppIconService::OnExtensionLoaded(
content::BrowserContext* browser_context,
const Extension* extension) {
OnAppUpdated(extension->id());
}
void ChromeAppIconService::OnExtensionUnloaded(
content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionReason reason) {
OnAppUpdated(extension->id());
}
#if defined(OS_CHROMEOS)
void ChromeAppIconService::OnAppUpdated(
content::BrowserContext* browser_context,
const std::string& app_id) {
OnAppUpdated(app_id);
}
#endif
void ChromeAppIconService::OnAppUpdated(const std::string& app_id) {
IconMap::const_iterator it = icon_map_.find(app_id);
if (it == icon_map_.end())
return;
// Set can be updated during the UpdateIcon call.
const std::set<ChromeAppIcon*> icons_to_update = it->second;
for (auto* icon : icons_to_update) {
if (it->second.count(icon))
icon->UpdateIcon();
}
}
void ChromeAppIconService::OnIconDestroyed(ChromeAppIcon* icon) {
DCHECK(icon);
auto it = icon_map_.find(icon->app_id());
DCHECK(it != icon_map_.end());
it->second.erase(icon);
if (it->second.empty()) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::BindOnce(&ChromeAppIconService::MaybeCleanupIconSet,
weak_ptr_factory_.GetWeakPtr(), icon->app_id()));
}
}
void ChromeAppIconService::MaybeCleanupIconSet(const std::string& app_id) {
auto it = icon_map_.find(app_id);
if (it != icon_map_.end() && it->second.empty())
icon_map_.erase(it);
}
} // namespace extensions
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