/*
 * Copyright (c) 2023 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 "session/host/include/scene_session.h"

#include <iterator>
#include <pointer_event.h>
#include <transaction/rs_transaction.h>

#include "common/include/session_permission.h"
#include "interfaces/include/ws_common.h"
#include "session/host/include/scene_persistent_storage.h"
#include "session/host/include/session_utils.h"
#include "session_manager/include/screen_session_manager.h"
#include "session_manager/include/scene_session_manager.h"
#include "session_helper.h"
#include "window_helper.h"
#include "window_manager_hilog.h"
#include "wm_math.h"
#include <running_lock.h>

namespace OHOS::Rosen {
namespace {
constexpr HiviewDFX::HiLogLabel LABEL = { LOG_CORE, HILOG_DOMAIN_WINDOW, "SceneSession" };
}
MaximizeMode SceneSession::maximizeMode_ = MaximizeMode::MODE_RECOVER;
wptr<SceneSession> SceneSession::enterSession_ = nullptr;
std::mutex SceneSession::enterSessionMutex_;

SceneSession::SceneSession(const SessionInfo& info, const sptr<SpecificSessionCallback>& specificCallback)
    : Session(info)
{
    GeneratePersistentId(false, info);
    if (!info.bundleName_.empty()) {
        scenePersistence_ = new (std::nothrow) ScenePersistence(info, GetPersistentId());
    }
    specificCallback_ = specificCallback;
    moveDragController_ = new (std::nothrow) MoveDragController(GetPersistentId());
    SetSessionRectChangeCallback();
    std::string key = GetRatioPreferenceKey();
    if (!key.empty()) {
        if (ScenePersistentStorage::HasKey(key, ScenePersistentStorageType::ASPECT_RATIO)) {
            ScenePersistentStorage::Get(key, aspectRatio_, ScenePersistentStorageType::ASPECT_RATIO);
            WLOGD("SceneSession init aspectRatio , key %{public}s, value: %{public}f", key.c_str(), aspectRatio_);
            if (moveDragController_) {
                moveDragController_->SetAspectRatio(aspectRatio_);
            }
        }
    }
    property_ = new(std::nothrow) WindowSessionProperty();
    if (property_) {
        property_->SetWindowType(static_cast<WindowType>(info.windowType_));
    }

    if (sessionInfo_.isSystem_) {
        auto name = sessionInfo_.bundleName_;
        auto pos = name.find_last_of('.');
        name = (pos == std::string::npos) ? name : name.substr(pos + 1); // skip '.'

        Rosen::RSSurfaceNodeConfig config;
        config.SurfaceNodeName = name;
        surfaceNode_ = Rosen::RSSurfaceNode::Create(config, Rosen::RSSurfaceNodeType::APP_WINDOW_NODE);
    }
}

WSError SceneSession::Connect(const sptr<ISessionStage>& sessionStage, const sptr<IWindowEventChannel>& eventChannel,
    const std::shared_ptr<RSSurfaceNode>& surfaceNode, SystemSessionConfig& systemConfig, sptr<WindowSessionProperty> property, sptr<IRemoteObject> token)
{
    WSError ret = Session::Connect(sessionStage, eventChannel, surfaceNode, systemConfig, property, token);
    if (ret != WSError::WS_OK) {
        return ret;
    }
    NotifyPropertyWhenConnect();
    return WSError::WS_OK;
}

WSError SceneSession::Foreground(sptr<WindowSessionProperty> property)
{
    // use property from client
    if (property && property->GetAnimationFlag() == static_cast<uint32_t>(WindowAnimation::CUSTOM)) {
        property_->SetAnimationFlag(static_cast<uint32_t>(WindowAnimation::CUSTOM));
        NotifyIsCustomAnimatiomPlaying(true);
        if (setWindowScenePatternFunc_ && setWindowScenePatternFunc_->setOpacityFunc_) {
            setWindowScenePatternFunc_->setOpacityFunc_(0.0f);
        }
    }
    WSError ret = Session::Foreground(property);
    if (ret != WSError::WS_OK) {
        return ret;
    }
    NotifyForeground();
    UpdateCameraFloatWindowStatus(true);
    if (specificCallback_ != nullptr) {
        specificCallback_->onUpdateAvoidArea_(GetPersistentId());
        specificCallback_->onWindowInfoUpdate_(GetPersistentId(), WindowUpdateType::WINDOW_UPDATE_ADDED);
    }
    return WSError::WS_OK;
}

WSError SceneSession::Background()
{
    // background will remove surfaceNode, custom not execute
    // not animation playing when already background; inactive may be animation playing
    if (property_ && property_->GetAnimationFlag() == static_cast<uint32_t>(WindowAnimation::CUSTOM)) {
        NotifyIsCustomAnimatiomPlaying(true);
        return WSError::WS_OK;
    }
    WSError ret = Session::Background();
    if (ret != WSError::WS_OK) {
        return ret;
    }
    snapshot_ = Snapshot();
    if (scenePersistence_ && snapshot_) {
        scenePersistence_->SaveSnapshot(snapshot_);
    }
    NotifyBackground();
    snapshot_.reset();
    UpdateCameraFloatWindowStatus(false);
    if (specificCallback_ != nullptr) {
        specificCallback_->onUpdateAvoidArea_(GetPersistentId());
        specificCallback_->onWindowInfoUpdate_(GetPersistentId(), WindowUpdateType::WINDOW_UPDATE_REMOVED);
    }
    return WSError::WS_OK;
}

WSError SceneSession::OnSessionEvent(SessionEvent event)
{
    WLOGFD("SceneSession OnSessionEvent event: %{public}d", static_cast<int32_t>(event));
    if (event == SessionEvent::EVENT_START_MOVE && moveDragController_) {
        moveDragController_->InitMoveDragProperty();
        moveDragController_->SetStartMoveFlag(true);
    }
    if (sessionChangeCallback_ != nullptr && sessionChangeCallback_->OnSessionEvent_) {
        sessionChangeCallback_->OnSessionEvent_(static_cast<uint32_t>(event));
    }
    return WSError::WS_OK;
}

void SceneSession::RegisterSessionChangeCallback(const sptr<SceneSession::SessionChangeCallback>&
    sessionChangeCallback)
{
    sessionChangeCallback_ = sessionChangeCallback;
}

WSError SceneSession::SetGlobalMaximizeMode(MaximizeMode mode)
{
    WLOGFI("SceneSession SetGlobalMaximizeMode mode: %{public}u", static_cast<uint32_t>(mode));
    maximizeMode_ = mode;
    ScenePersistentStorage::Insert("maximize_state", static_cast<int32_t>(maximizeMode_),
        ScenePersistentStorageType::MAXIMIZE_STATE);
    return WSError::WS_OK;
}

WSError SceneSession::GetGlobalMaximizeMode(MaximizeMode &mode)
{
    WLOGFD("SceneSession GetGlobalMaximizeMode");
    mode = maximizeMode_;
    return WSError::WS_OK;
}

WSError SceneSession::SetAspectRatio(float ratio)
{
    if (!property_) {
        WLOGE("SetAspectRatio failed because property is null");
        return WSError::WS_ERROR_NULLPTR;
    }
    float vpr = 1.5f; // 1.5f: default virtual pixel ratio
    auto display = ScreenSessionManager::GetInstance().GetDefaultDisplayInfo();
    if (display) {
        vpr = display->GetVirtualPixelRatio();
        WLOGD("vpr = %{public}f", vpr);
    }
    if (!MathHelper::NearZero(ratio)) {
        auto limits = property_->GetWindowLimits();
        if (IsDecorEnable()) {
            if (limits.minWidth_ && limits.maxHeight_ &&
                MathHelper::LessNotEqual(ratio, static_cast<float>(SessionUtils::ToLayoutWidth(limits.minWidth_, vpr)) /
                SessionUtils::ToLayoutHeight(limits.maxHeight_, vpr))) {
                WLOGE("Failed, because aspectRatio is smaller than minWidth/maxHeight");
                return WSError::WS_ERROR_INVALID_PARAM;
            } else if (limits.minHeight_ && limits.maxWidth_ &&
                MathHelper::GreatNotEqual(ratio,
                static_cast<float>(SessionUtils::ToLayoutWidth(limits.maxWidth_, vpr)) /
                SessionUtils::ToLayoutHeight(limits.minHeight_, vpr))) {
                WLOGE("Failed, because aspectRatio is bigger than maxWidth/minHeight");
                return WSError::WS_ERROR_INVALID_PARAM;
            }
        } else {
            if (limits.minWidth_ && limits.maxHeight_ && MathHelper::LessNotEqual(ratio,
                static_cast<float>(limits.minWidth_) / limits.maxHeight_)) {
                WLOGE("Failed, because aspectRatio is smaller than minWidth/maxHeight");
                return WSError::WS_ERROR_INVALID_PARAM;
            } else if (limits.minHeight_ && limits.maxWidth_ && MathHelper::GreatNotEqual(ratio,
                static_cast<float>(limits.maxWidth_) / limits.minHeight_)) {
                WLOGE("Failed, because aspectRatio is bigger than maxWidth/minHeight");
                return WSError::WS_ERROR_INVALID_PARAM;
            }
        }
    }
    aspectRatio_ = ratio;
    if (moveDragController_) {
        moveDragController_->SetAspectRatio(ratio);
    }
    SaveAspectRatio(aspectRatio_);
    if (FixRectByAspectRatio(winRect_)) {
        NotifySessionRectChange(winRect_);
        UpdateRect(winRect_, SizeChangeReason::RESIZE);
    }
    return WSError::WS_OK;
}

WSError SceneSession::UpdateRect(const WSRect& rect, SizeChangeReason reason)
{
    WLOGFD("Id: %{public}d, reason: %{public}d, rect: [%{public}d, %{public}d, %{public}u, %{public}u]",
        GetPersistentId(), reason, rect.posX_, rect.posY_, rect.width_, rect.height_);
    if (moveDragController_->GetStartMoveFlag()) {
        reason = SizeChangeReason::MOVE;
    } else if (moveDragController_->GetStartDragFlag()) {
        reason = SizeChangeReason::DRAG;
    }
    WSError ret = Session::UpdateRect(rect, reason);
    if (ret == WSError::WS_OK) {
        specificCallback_->onUpdateAvoidArea_(GetPersistentId());
    }
    return ret;
}

WSError SceneSession::UpdateSessionRect(const WSRect& rect, const SizeChangeReason& reason)
{
    auto newWinRect = winRect_;
    auto newRequestRect = GetSessionRequestRect();
    if (reason == SizeChangeReason::MOVE) {
        newWinRect.posX_ = rect.posX_;
        newWinRect.posY_ = rect.posY_;
        newRequestRect.posX_ = rect.posX_;
        newRequestRect.posY_ = rect.posY_;
        SetSessionRect(newWinRect);
        SetSessionRequestRect(newRequestRect);
        NotifySessionRectChange(newRequestRect, reason);
    } else if (reason == SizeChangeReason::RESIZE) {
        newWinRect.width_ = rect.width_;
        newWinRect.height_ = rect.height_;
        newRequestRect.width_ = rect.width_;
        newRequestRect.height_ = rect.height_;
        SetSessionRect(newWinRect);
        SetSessionRequestRect(newRequestRect);
        NotifySessionRectChange(newRequestRect, reason);
    } else {
        SetSessionRect(rect);
        NotifySessionRectChange(rect, reason);
    }

    WLOGFI("Id: %{public}d, reason: %{public}d, rect: [%{public}d, %{public}d, %{public}u, %{public}u], "
        "newRequestRect: [%{public}d, %{public}d, %{public}u, %{public}u], newWinRect: [%{public}d, "
        "%{public}d, %{public}u, %{public}u]", GetPersistentId(), reason, rect.posX_, rect.posY_, rect.width_,
        rect.height_, newRequestRect.posX_, newRequestRect.posY_, newRequestRect.width_, newRequestRect.height_,
        newWinRect.posX_, newWinRect.posY_, newWinRect.width_, newWinRect.height_);
    return WSError::WS_OK;
}

WSError SceneSession::RaiseToAppTop()
{
    if (sessionChangeCallback_ != nullptr && sessionChangeCallback_->onRaiseToTop_) {
        sessionChangeCallback_->onRaiseToTop_();
    }
    return WSError::WS_OK;
}

WSError SceneSession::RaiseAboveTarget(int32_t subWindowId)
{
    if (!SessionPermission::IsSystemCalling() && !SessionPermission::IsStartByHdcd()) {
        WLOGFE("RaiseAboveTarget permission denied!");
        return WSError::WS_ERROR_NOT_SYSTEM_APP;
    }
    if (sessionChangeCallback_ != nullptr && sessionChangeCallback_->onRaiseAboveTarget_) {
        sessionChangeCallback_->onRaiseAboveTarget_(subWindowId);
    }
    return WSError::WS_OK;
}

WSError SceneSession::CreateAndConnectSpecificSession(const sptr<ISessionStage>& sessionStage,
    const sptr<IWindowEventChannel>& eventChannel, const std::shared_ptr<RSSurfaceNode>& surfaceNode,
    sptr<WindowSessionProperty> property, int32_t& persistentId, sptr<ISession>& session, sptr<IRemoteObject> token)
{
    WLOGFI("CreateAndConnectSpecificSession id: %{public}d", GetPersistentId());
    sptr<SceneSession> sceneSession;
    if (specificCallback_ != nullptr) {
        SessionInfo sessionInfo;
        sceneSession = specificCallback_->onCreate_(sessionInfo, property);
    }
    if (sceneSession == nullptr) {
        return WSError::WS_ERROR_NULLPTR;
    }
    // connect specific session and sessionStage
    WSError errCode = sceneSession->Connect(sessionStage, eventChannel, surfaceNode, systemConfig_, property, token);
    if (property) {
        persistentId = property->GetPersistentId();
    }
    if (sessionChangeCallback_ != nullptr && sessionChangeCallback_->onCreateSpecificSession_) {
        sessionChangeCallback_->onCreateSpecificSession_(sceneSession);
    }
    session = sceneSession;
    return errCode;
}

WSError SceneSession::BindDialogTarget(const sptr<SceneSession>& sceneSession)
{
    if (sceneSession == nullptr) {
        WLOGFE("dialog session is null");
        return WSError::WS_ERROR_NULLPTR;
    }
    if (sessionChangeCallback_ != nullptr && sessionChangeCallback_->onBindDialogTarget_) {
        sessionChangeCallback_->onBindDialogTarget_(sceneSession);
    }
    return WSError::WS_OK;
}

WSError SceneSession::DestroyAndDisconnectSpecificSession(const int32_t& persistentId)
{
    WSError ret = WSError::WS_OK;
    if (specificCallback_ != nullptr) {
        ret = specificCallback_->onDestroy_(persistentId);
    }
    return ret;
}

void SceneSession::UpdateCameraFloatWindowStatus(bool isShowing)
{
    if (GetWindowType() == WindowType::WINDOW_TYPE_FLOAT_CAMERA && specificCallback_ != nullptr) {
        specificCallback_->onCameraFloatSessionChange_(property_->GetAccessTokenId(), isShowing);
    }
}

WSError SceneSession::SetSystemBarProperty(WindowType type, SystemBarProperty systemBarProperty)
{
    if (property_ == nullptr) {
        return WSError::WS_ERROR_NULLPTR;
    }
    property_->SetSystemBarProperty(type, systemBarProperty);
    WLOGFD("SceneSession SetSystemBarProperty status:%{public}d", static_cast<int32_t>(type));
    if (sessionChangeCallback_ != nullptr && sessionChangeCallback_->OnSystemBarPropertyChange_) {
        sessionChangeCallback_->OnSystemBarPropertyChange_(property_->GetSystemBarProperty());
    }
    return WSError::WS_OK;
}

void SceneSession::NotifyPropertyWhenConnect()
{
    WLOGFI("Notify property when connect.");
    if (property_ == nullptr) {
        WLOGFD("id: %{public}d property is nullptr", persistentId_);
        return;
    }
    NotifySessionFocusableChange(property_->GetFocusable());
    NotifySessionTouchableChange(property_->GetTouchable());
    OnShowWhenLocked(IsShowWhenLocked());
}

WSError SceneSession::OnNeedAvoid(bool status)
{
    WLOGFD("SceneSession OnNeedAvoid status:%{public}d", static_cast<int32_t>(status));
    if (sessionChangeCallback_ != nullptr && sessionChangeCallback_->OnNeedAvoid_) {
        sessionChangeCallback_->OnNeedAvoid_(status);
    }
    return WSError::WS_OK;
}

WSError SceneSession::OnShowWhenLocked(bool showWhenLocked)
{
    WLOGFD("SceneSession ShowWhenLocked status:%{public}d", static_cast<int32_t>(showWhenLocked));
    if (sessionChangeCallback_ != nullptr && sessionChangeCallback_->OnShowWhenLocked_) {
        sessionChangeCallback_->OnShowWhenLocked_(showWhenLocked);
    }
    return WSError::WS_OK;
}

bool SceneSession::IsShowWhenLocked() const
{
    return property_->GetWindowFlags() & static_cast<uint32_t>(WindowFlag::WINDOW_FLAG_SHOW_WHEN_LOCKED);
}

void SceneSession::CalculateAvoidAreaRect(WSRect& rect, WSRect& avoidRect, AvoidArea& avoidArea)
{
    if (SessionHelper::IsEmptyRect(rect) || SessionHelper::IsEmptyRect(avoidRect)) {
        return;
    }
    Rect avoidAreaRect = SessionHelper::TransferToRect(SessionHelper::GetOverlap(rect, avoidRect, 0, 0));
    if (WindowHelper::IsEmptyRect(avoidAreaRect)) {
        return;
    }

    uint32_t avoidAreaCenterX = static_cast<uint32_t>(avoidAreaRect.posX_) + (avoidAreaRect.width_ >> 1);
    uint32_t avoidAreaCenterY = static_cast<uint32_t>(avoidAreaRect.posY_) + (avoidAreaRect.height_ >> 1);
    float res1 = float(avoidAreaCenterY) - float(rect.height_) / float(rect.width_) *
        float(avoidAreaCenterX);
    float res2 = float(avoidAreaCenterY) + float(rect.height_) / float(rect.width_) *
        float(avoidAreaCenterX) - float(rect.height_);
    if (res1 < 0) {
        if (res2 < 0) {
            avoidArea.topRect_ = avoidAreaRect;
        } else {
            avoidArea.rightRect_ = avoidAreaRect;
        }
    } else {
        if (res2 < 0) {
            avoidArea.leftRect_ = avoidAreaRect;
        } else {
            avoidArea.bottomRect_ = avoidAreaRect;
        }
    }
}

void SceneSession::GetSystemAvoidArea(WSRect& rect, AvoidArea& avoidArea)
{
    if (property_->GetWindowFlags() & static_cast<uint32_t>(WindowFlag::WINDOW_FLAG_NEED_AVOID)) {
        return;
    }
    std::vector<sptr<SceneSession>> statusBarVector =
        specificCallback_->onGetSceneSessionVectorByType_(WindowType::WINDOW_TYPE_STATUS_BAR);
    for (auto& statusBar : statusBarVector) {
        if (!(statusBar->isVisible_)) {
            continue;
        }
        WSRect statusBarRect = statusBar->GetSessionRect();
        CalculateAvoidAreaRect(rect, statusBarRect, avoidArea);
    }

    return;
}

void SceneSession::GetKeyboardAvoidArea(WSRect& rect, AvoidArea& avoidArea)
{
    std::vector<sptr<SceneSession>> inputMethodVector =
        specificCallback_->onGetSceneSessionVectorByType_(WindowType::WINDOW_TYPE_INPUT_METHOD_FLOAT);
    for (auto& inputMethod : inputMethodVector) {
        if (inputMethod->GetSessionState() != SessionState::STATE_FOREGROUND &&
            inputMethod->GetSessionState() != SessionState::STATE_ACTIVE) {
            continue;
        }
        WSRect inputMethodRect = inputMethod->GetSessionRect();
        CalculateAvoidAreaRect(rect, inputMethodRect, avoidArea);
    }

    return;
}

void SceneSession::GetCutoutAvoidArea(WSRect& rect, AvoidArea& avoidArea)
{
    sptr<CutoutInfo> cutoutInfo = ScreenSessionManager::GetInstance().
        GetCutoutInfo(property_->GetDisplayId());
    if (cutoutInfo == nullptr) {
        WLOGFI("GetCutoutAvoidArea There is no CutoutInfo");
        return;
    }
    std::vector<DMRect> cutoutAreas = cutoutInfo->GetBoundingRects();
    if (cutoutAreas.empty()) {
        WLOGFI("GetCutoutAvoidArea There is no cutoutAreas");
        return;
    }
    for (auto& cutoutArea : cutoutAreas) {
        WSRect cutoutAreaRect = {
            cutoutArea.posX_,
            cutoutArea.posY_,
            cutoutArea.width_,
            cutoutArea.height_
        };
        CalculateAvoidAreaRect(rect, cutoutAreaRect, avoidArea);
    }

    return;
}

AvoidArea SceneSession::GetAvoidAreaByType(AvoidAreaType type)
{
    AvoidArea avoidArea;
    WSRect rect = GetSessionRect();
    WLOGFD("GetAvoidAreaByType avoidAreaType:%{public}u", type);
    switch (type) {
        case AvoidAreaType::TYPE_SYSTEM : {
            GetSystemAvoidArea(rect, avoidArea);
            return avoidArea;
        }
        case AvoidAreaType::TYPE_KEYBOARD : {
            GetKeyboardAvoidArea(rect, avoidArea);
            return avoidArea;
        }
        case AvoidAreaType::TYPE_CUTOUT : {
            GetCutoutAvoidArea(rect, avoidArea);
            return avoidArea;
        }
        default : {
            WLOGFD("cannot find avoidAreaType: %{public}u", type);
            return avoidArea;
        }
    }
}

WSError SceneSession::UpdateAvoidArea(const sptr<AvoidArea>& avoidArea, AvoidAreaType type)
{
    if (!sessionStage_) {
        return WSError::WS_ERROR_NULLPTR;
    }
    return sessionStage_->UpdateAvoidArea(avoidArea, type);
}

WSError SceneSession::TransferPointerEvent(const std::shared_ptr<MMI::PointerEvent>& pointerEvent)
{
    WLOGFD("SceneSession TransferPointEvent");
    if (pointerEvent == nullptr) {
        WLOGFE("pointerEvent is null");
        return WSError::WS_ERROR_NULLPTR;
    }
    {
        if (pointerEvent->GetPointerAction() == MMI::PointerEvent::POINTER_ACTION_ENTER_WINDOW) {
            std::lock_guard<std::mutex> guard(enterSessionMutex_);
            enterSession_ = wptr<SceneSession>(this);
        }
    }

    if (property_ && property_->GetWindowMode() == WindowMode::WINDOW_MODE_FLOATING &&
        WindowHelper::IsMainWindow(property_->GetWindowType()) &&
        property_->GetMaximizeMode() != MaximizeMode::MODE_AVOID_SYSTEM_BAR) {
        if (!moveDragController_) {
            WLOGE("moveDragController_ is null");
            return Session::TransferPointerEvent(pointerEvent);
        }
        if (property_->GetDragEnabled()) {
            moveDragController_->HandleMouseStyle(pointerEvent, winRect_);
            if (moveDragController_->ConsumeDragEvent(pointerEvent, winRect_, property_, systemConfig_)) {
                return  WSError::WS_OK;
            }
        }

        if (moveDragController_->GetStartMoveFlag()) {
            return moveDragController_->ConsumeMoveEvent(pointerEvent, winRect_);
        }
    }

    auto action = pointerEvent->GetPointerAction();
    bool raiseEnabled = WindowHelper::IsSubWindow(property_->GetWindowType()) && property_->GetRaiseEnabled() &&
        (action == MMI::PointerEvent::POINTER_ACTION_DOWN || action == MMI::PointerEvent::POINTER_ACTION_BUTTON_DOWN);
    if (raiseEnabled) {
        RaiseToAppTop();
    }
    return Session::TransferPointerEvent(pointerEvent);
}

const wptr<SceneSession> SceneSession::GetEnterWindow()
{
    std::lock_guard<std::mutex> guard(enterSessionMutex_);
    return enterSession_;
}

void SceneSession::ClearEnterWindow()
{
    std::lock_guard<std::mutex> guard(enterSessionMutex_);
    enterSession_ = nullptr;
}

void SceneSession::NotifySessionRectChange(const WSRect& rect, const SizeChangeReason& reason)
{
    if (sessionChangeCallback_ != nullptr && sessionChangeCallback_->onRectChange_) {
        sessionChangeCallback_->onRectChange_(rect, reason);
    }
}

bool SceneSession::IsDecorEnable()
{
    return WindowHelper::IsMainWindow(property_->GetWindowType()) && systemConfig_.isSystemDecorEnable_ &&
        WindowHelper::IsWindowModeSupported(systemConfig_.decorModeSupportInfo_, property_->GetWindowMode());
}

std::string SceneSession::GetRatioPreferenceKey()
{
    std::string key = sessionInfo_.bundleName_ + sessionInfo_.moduleName_ + sessionInfo_.abilityName_;
    if (key.length() > ScenePersistentStorage::MAX_KEY_LEN) {
        return key.substr(key.length() - ScenePersistentStorage::MAX_KEY_LEN);
    }
    return key;
}

bool SceneSession::SaveAspectRatio(float ratio)
{
    std::string key = GetRatioPreferenceKey();
    if (!key.empty()) {
        ScenePersistentStorage::Insert(key, ratio, ScenePersistentStorageType::ASPECT_RATIO);
        WLOGD("SceneSession save aspectRatio , key %{public}s, value: %{public}f", key.c_str(), aspectRatio_);
        return true;
    }
    return false;
}

bool SceneSession::FixRectByAspectRatio(WSRect& rect)
{
    const int tolerancePx = 2; // 2: tolerance delta pixel value, unit: px
    WSRect originalRect = rect;
    if (!property_ || property_->GetWindowMode() != WindowMode::WINDOW_MODE_FLOATING ||
        !WindowHelper::IsMainWindow(property_->GetWindowType())) {
        return false;
    }

    if (MathHelper::NearZero(aspectRatio_)) {
        return false;
    }
    float vpr = 1.5f; // 1.5f: default virtual pixel ratio
    auto display = ScreenSessionManager::GetInstance().GetDefaultDisplayInfo();
    if (display) {
        vpr = display->GetVirtualPixelRatio();
    }
    int32_t minW;
    int32_t maxW;
    int32_t minH;
    int32_t maxH;
    SessionUtils::CalcFloatWindowRectLimits(property_->GetWindowLimits(), systemConfig_.maxFloatingWindowSize_, vpr,
        minW, maxW, minH, maxH);
    rect.width_ = std::max(minW, static_cast<int32_t>(rect.width_));
    rect.width_ = std::min(maxW, static_cast<int32_t>(rect.width_));
    rect.height_ = std::max(minH, static_cast<int32_t>(rect.height_));
    rect.height_ = std::min(maxH, static_cast<int32_t>(rect.height_));
    if (IsDecorEnable()) {
        if (SessionUtils::ToLayoutWidth(rect.width_, vpr) >
                SessionUtils::ToLayoutHeight(rect.height_, vpr) * aspectRatio_) {
            rect.width_ = SessionUtils::ToWinWidth(SessionUtils::ToLayoutHeight(rect.height_, vpr)* aspectRatio_, vpr);
        } else {
            rect.height_ = SessionUtils::ToWinHeight(SessionUtils::ToLayoutWidth(rect.width_, vpr) / aspectRatio_, vpr);
        }
    } else {
        if (rect.width_ > rect.height_ * aspectRatio_) {
            rect.width_ = rect.height_ * aspectRatio_;
        } else {
            rect.height_ = rect.width_ / aspectRatio_;
        }
    }
    if (std::abs(static_cast<int32_t>(originalRect.width_) - static_cast<int32_t>(rect.width_)) <= tolerancePx &&
        std::abs(static_cast<int32_t>(originalRect.height_) - static_cast<int32_t>(rect.height_)) <= tolerancePx) {
        rect = originalRect;
        return false;
    }
    return true;
}

void SceneSession::SetSessionRectChangeCallback()
{
    if (moveDragController_) {
        SessionRectChangeCallBack callBack = [this](void) {
            this->OnSessionRectChange();
        };
        moveDragController_->RegisterSessionRectChangeCallback(callBack);
    }
}

void SceneSession::OnSessionRectChange()
{
    WSRect rect = moveDragController_->GetTargetRect();
    WLOGFD("rect: [%{public}d, %{public}d, %{public}u, %{public}u]", rect.posX_, rect.posY_, rect.width_, rect.height_);
    NotifySessionRectChange(rect);
    if (!(moveDragController_->GetStartMoveFlag() || moveDragController_->GetStartDragFlag())) {
        OnSessionEvent(SessionEvent::EVENT_END_MOVE);
    }
}

void SceneSession::SetZOrder(uint32_t zOrder)
{
    if (zOrder_ != zOrder) {
        Session::SetZOrder(zOrder);
        if (specificCallback_ != nullptr) {
            specificCallback_->onWindowInfoUpdate_(GetPersistentId(), WindowUpdateType::WINDOW_UPDATE_PROPERTY);
        }
    }
}

const std::string& SceneSession::GetWindowName() const
{
    return property_->GetWindowName();
}

WSError SceneSession::SetTurnScreenOn(bool turnScreenOn)
{
    property_->SetTurnScreenOn(turnScreenOn);
    return WSError::WS_OK;
}

bool SceneSession::IsTurnScreenOn() const
{
    return property_->IsTurnScreenOn();
}

WSError SceneSession::SetKeepScreenOn(bool keepScreenOn)
{
    property_->SetKeepScreenOn(keepScreenOn);
    return WSError::WS_OK;
}

bool SceneSession::IsKeepScreenOn() const
{
    return property_->IsKeepScreenOn();
}

std::string SceneSession::GetSessionSnapshotFilePath()
{
    WLOGFI("GetSessionSnapshotFilePath id %{public}d", GetPersistentId());
    if (Session::GetSessionState() < SessionState::STATE_BACKGROUND) {
        WLOGFI("GetSessionSnapshotFilePath UpdateSnapshot");
        auto snapshot = Snapshot();
        scenePersistence_->SaveSnapshot(snapshot);
    }
    if (scenePersistence_ != nullptr) {
        return scenePersistence_->GetSnapshotFilePath();
    }
    return "";
}

void SceneSession::UpdateNativeVisibility(bool visible)
{
    isVisible_ = visible;
    if (specificCallback_ == nullptr) {
        WLOGFW("specific callback is null.");
        return;
    }

    if (visible) {
        specificCallback_->onWindowInfoUpdate_(GetPersistentId(), WindowUpdateType::WINDOW_UPDATE_ADDED);
    } else {
        specificCallback_->onWindowInfoUpdate_(GetPersistentId(), WindowUpdateType::WINDOW_UPDATE_REMOVED);
    }
    specificCallback_->onUpdateAvoidArea_(GetPersistentId());
    // update private state
    if (!property_) {
        WLOGFE("property_ is null");
        return;
    }
    auto screenSession = ScreenSessionManager::GetInstance().GetScreenSession(0);
    if (screenSession == nullptr) {
        WLOGFE("screen session is null");
        return;
    }
    if (property_->GetPrivacyMode() || property_->GetSystemPrivacyMode()) {
        ScreenSessionManager::GetInstance().UpdatePrivateStateAndNotify(screenSession, visible);
    }
}

bool SceneSession::IsVisible() const
{
    return isVisible_;
}

void SceneSession::SetPrivacyMode(bool isPrivacy)
{
    if (!property_) {
        WLOGFE("property_ is null");
        return;
    }
    if (!surfaceNode_) {
        WLOGFE("surfaceNode_ is null");
        return;
    }
    bool lastPrivacyMode = property_->GetPrivacyMode() || property_->GetSystemPrivacyMode();
    if (lastPrivacyMode == isPrivacy) {
        WLOGFW("privacy mode is not change, do nothing");
        return;
    }
    property_->SetPrivacyMode(isPrivacy);
    property_->SetSystemPrivacyMode(isPrivacy);
    surfaceNode_->SetSecurityLayer(isPrivacy);
    RSTransaction::FlushImplicitTransaction();
    auto screenSession = ScreenSessionManager::GetInstance().GetScreenSession(0);
    if (screenSession == nullptr) {
        WLOGFE("screen session is null");
        return;
    }
    if (GetSessionState() == SessionState::STATE_FOREGROUND || GetSessionState() == SessionState::STATE_ACTIVE
        || (GetSessionInfo().isSystem_ && isVisible_)) {
        ScreenSessionManager::GetInstance().UpdatePrivateStateAndNotify(screenSession, isPrivacy);
    }
}

WSError SceneSession::UpdateWindowAnimationFlag(bool needDefaultAnimationFlag)
{
    if (sessionChangeCallback_ != nullptr && sessionChangeCallback_->onWindowAnimationFlagChange_) {
        sessionChangeCallback_ -> onWindowAnimationFlagChange_(needDefaultAnimationFlag);
    }
    return WSError::WS_OK;
}

void SceneSession::NotifyIsCustomAnimatiomPlaying(bool isPlaying)
{
    WLOGFI("id %{public}d %{public}u", GetPersistentId(), isPlaying);
    if (sessionChangeCallback_ != nullptr && sessionChangeCallback_->onIsCustomAnimationPlaying_) {
        sessionChangeCallback_->onIsCustomAnimationPlaying_(isPlaying);
    }
}

WSError SceneSession::UpdateWindowSceneAfterCustomAnimation(bool isAdd)
{
    WLOGFI("id %{public}d", GetPersistentId());
    if (isAdd) {
        if (!setWindowScenePatternFunc_ || !setWindowScenePatternFunc_->setOpacityFunc_) {
            WLOGFE("SetOpacityFunc not register %{public}d", GetPersistentId());
            return WSError::WS_ERROR_INVALID_OPERATION;
        }
        setWindowScenePatternFunc_->setOpacityFunc_(1.0f);
    } else {
        WLOGFI("background after custom animation id %{public}d", GetPersistentId());
        // since background will remove surfaceNode
        Background();
        NotifyIsCustomAnimatiomPlaying(false);
    }
    return WSError::WS_OK;
}

bool SceneSession::IsFloatingWindowAppType() const
{
    if (property_ == nullptr) {
        return false;
    }

    return property_->IsFloatingWindowAppType();
}

std::vector<Rect> SceneSession::GetTouchHotAreas() const
{
    std::vector<Rect> touchHotAreas;
    if (property_) {
        property_->GetTouchHotAreas(touchHotAreas);
    }
    return touchHotAreas;
}
void SceneSession::DumpSessionElementInfo(const std::vector<std::string>& params)
{
    if (!sessionStage_) {
        return;
    }
    return sessionStage_->DumpSessionElementInfo(params);
}

Rect SceneSession::GetHotAreaRect(int32_t action)
{
    Rect hotAreaRect;
    WSRect rect = GetSessionRect();

    float vpr = 1.5f; // 1.5f: default virtual pixel ratio
    auto display = ScreenSessionManager::GetInstance().GetDefaultDisplayInfo();
    if (display) {
        vpr = display->GetVirtualPixelRatio();
        WLOGD("vpr = %{public}f", vpr);
    }

    float hotZone = 0.0;
    if (action == MMI::PointerEvent::POINTER_ACTION_DOWN) {
        hotZone = HOTZONE_TOUCH;
    } else if (action == MMI::PointerEvent::POINTER_ACTION_BUTTON_DOWN) {
        hotZone = HOTZONE_POINTER;
    }
    hotAreaRect.posX_ = rect.posX_ - static_cast<int32_t>(vpr * hotZone);
    hotAreaRect.posY_ = rect.posY_ - static_cast<int32_t>(vpr * hotZone);
    hotAreaRect.width_ = rect.width_ + static_cast<uint32_t>(vpr * hotZone * 2); // 2: double hotZone
    hotAreaRect.height_ = rect.height_ + static_cast<uint32_t>(vpr * hotZone * 2); // 2: double hotZone

    return hotAreaRect;
}

WSError SceneSession::NotifyTouchOutside()
{
    if (!sessionStage_) {
        return WSError::WS_ERROR_NULLPTR;
    }
    return sessionStage_->NotifyTouchOutside();
}

void SceneSession::SetRequestedOrientation(Orientation orientation)
{
    WLOGFI("id: %{public}d orientation: %{public}u", GetPersistentId(), static_cast<uint32_t>(orientation));
    property_->SetRequestedOrientation(orientation);
    if (sessionChangeCallback_ && sessionChangeCallback_->OnRequestedOrientationChange_) {
        sessionChangeCallback_->OnRequestedOrientationChange_(static_cast<uint32_t>(orientation));
    }
}

Orientation SceneSession::GetRequestedOrientation() const
{
    return property_->GetRequestedOrientation();
}

int32_t SceneSession::GetCollaboratorType() const
{
    return collaboratorType_;
}

void SceneSession::SetCollaboratorType(int32_t collaboratorType)
{
    collaboratorType_ = collaboratorType;
}

std::shared_ptr<AppExecFwk::AbilityInfo> SceneSession::GetAbilityInfo()
{
    SessionInfo& sessionInfo = GetSessionInfo();
    return sessionInfo.abilityInfo;
}

void SceneSession::SetAbilitySessionInfo(std::shared_ptr<AppExecFwk::AbilityInfo> abilityInfo)
{
    SessionInfo& sessionInfo = GetSessionInfo();
    sessionInfo.abilityInfo = abilityInfo;
}

void SceneSession::UpdateBrokerPersistentId(int32_t persistendId)
{
    brokerPersistentId_ = persistendId;
}

int32_t SceneSession::GetBrokerPersistentId()
{
    return brokerPersistentId_;
}
} // namespace OHOS::Rosen