* Copyright (c) 2026 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "background_strategy.h"
#include <functional>
#include <unordered_map>
#include <vector>
#include "component/img_view_adapter.h"
#include "log/log.h"
namespace Updater {
void BackgroundStrategy::SetForegroundZIndex() const
{
for (const auto &fg : foregroundComIds_) {
ComInfo comInfo = {id_.pageId, fg.comId};
if (pgMgr_.IsValidCom(comInfo)) {
pgMgr_[comInfo]->SetZIndex(fg.zIndex);
}
}
}
std::unique_ptr<BackgroundStrategy> BackgroundStrategy::Factory(const std::string &type, const ComInfo &id,
const std::vector<ForegroundComId> &foregroundComIds)
{
using Fun = std::function<std::unique_ptr<BackgroundStrategy>(const ComInfo &,
const std::vector<ForegroundComId> &)>;
const static std::unordered_map<std::string, Fun> bgMap {
{ "anim", [] (const ComInfo &id, const std::vector<ForegroundComId> &foregroundComIds) {
return std::make_unique<AnimatorBackground>(id, foregroundComIds); }},
{ "img", [] (const ComInfo &id, const std::vector<ForegroundComId> &foregroundComIds) {
return std::make_unique<StaticBackground>(id, foregroundComIds); }},
};
if (auto it = bgMap.find(type); it != bgMap.end()) {
return it->second(id, foregroundComIds);
}
LOG(ERROR) << "not recognized background type " << type;
return std::make_unique<StaticBackground>(id, foregroundComIds);
}
void AnimatorBackground::Show() const
{
pgMgr_[id_]->SetVisible(true);
pgMgr_[id_].As<ImgViewAdapter>()->Start();
SetForegroundZIndex();
}
void AnimatorBackground::Hide() const
{
pgMgr_[id_].As<ImgViewAdapter>()->Stop();
pgMgr_[id_]->SetVisible(false);
}
void StaticBackground::Show() const
{
pgMgr_[id_]->SetVisible(true);
SetForegroundZIndex();
}
void StaticBackground::Hide() const
{
pgMgr_[id_]->SetVisible(false);
}
}
