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// Copyright 2016 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_loader.h"
#include "base/stl_util.h"
#include "chrome/browser/extensions/chrome_app_icon.h"
#include "chrome/browser/extensions/chrome_app_icon_service.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/extension_constants.h"
#include "extensions/browser/extension_system.h"
#include "extensions/common/extension.h"
#include "extensions/common/manifest_handlers/icons_handler.h"
namespace extensions {
namespace {
const Extension* GetExtensionByID(Profile* profile, const std::string& id) {
ExtensionService* service =
ExtensionSystem::Get(profile)->extension_service();
if (!service)
return nullptr;
return service->GetInstalledExtension(id);
}
} // namespace
ChromeAppIconLoader::ChromeAppIconLoader(Profile* profile,
int icon_size_in_dips,
const ResizeFunction& resize_function,
AppIconLoaderDelegate* delegate)
: AppIconLoader(profile, icon_size_in_dips, delegate),
resize_function_(resize_function) {}
ChromeAppIconLoader::ChromeAppIconLoader(Profile* profile,
int icon_size_in_dips,
AppIconLoaderDelegate* delegate)
: ChromeAppIconLoader(profile,
icon_size_in_dips,
ResizeFunction(),
delegate) {}
ChromeAppIconLoader::~ChromeAppIconLoader() {}
bool ChromeAppIconLoader::CanLoadImageForApp(const std::string& id) {
if (map_.find(id) != map_.end())
return true;
return GetExtensionByID(profile(), id) != nullptr;
}
void ChromeAppIconLoader::FetchImage(const std::string& id) {
if (map_.find(id) != map_.end())
return; // Already loading the image.
const Extension* extension = GetExtensionByID(profile(), id);
if (!extension)
return;
std::unique_ptr<ChromeAppIcon> icon =
ChromeAppIconService::Get(profile())->CreateIcon(this, id, icon_size(),
resize_function_);
// Triggers image loading now instead of depending on paint message. This
// makes the temp blank image be shown for shorter time and improves user
// experience. See http://crbug.com/146114.
icon->image_skia().EnsureRepsForSupportedScales();
map_[id] = std::move(icon);
}
void ChromeAppIconLoader::ClearImage(const std::string& id) {
map_.erase(id);
}
void ChromeAppIconLoader::UpdateImage(const std::string& id) {
auto it = map_.find(id);
if (it == map_.end())
return;
it->second->UpdateIcon();
}
void ChromeAppIconLoader::OnIconUpdated(ChromeAppIcon* icon) {
delegate()->OnAppImageUpdated(icon->app_id(), icon->image_skia());
}
} // namespace extensions
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