/*
 * Copyright (C) 2022 The Android Open Source Project
 *
 * 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.
 */
package com.android.launcher3.taskbar.overlay;

import android.content.Context;
import android.view.View;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;

import com.android.launcher3.DeviceProfile;
import com.android.launcher3.R;
import com.android.launcher3.popup.PopupDataProvider;
import com.android.launcher3.taskbar.BaseTaskbarContext;
import com.android.launcher3.taskbar.TaskbarActivityContext;
import com.android.launcher3.taskbar.TaskbarControllers;
import com.android.launcher3.taskbar.TaskbarDragController;
import com.android.launcher3.taskbar.TaskbarUIController;
import com.android.launcher3.taskbar.allapps.TaskbarAllAppsContainerView;
import com.android.launcher3.taskbar.allapps.TaskbarSearchSessionController;
import com.android.launcher3.util.NavigationMode;
import com.android.launcher3.util.SplitConfigurationOptions.SplitSelectSource;

/**
 * Window context for the taskbar overlays such as All Apps and EDU.
 * <p>
 * Overlays have their own window and need a window context. Some properties are delegated to the
 * {@link TaskbarActivityContext} such as {@link PopupDataProvider}.
 */
public class TaskbarOverlayContext extends BaseTaskbarContext {
    private final TaskbarActivityContext mTaskbarContext;

    private final TaskbarOverlayController mOverlayController;
    private final TaskbarDragController mDragController;
    private final TaskbarOverlayDragLayer mDragLayer;

    private final int mStashedTaskbarHeight;
    private final TaskbarUIController mUiController;

    private @Nullable TaskbarSearchSessionController mSearchSessionController;

    public TaskbarOverlayContext(
            Context windowContext,
            TaskbarActivityContext taskbarContext,
            TaskbarControllers controllers) {
        super(windowContext, taskbarContext.isPrimaryDisplay());
        mTaskbarContext = taskbarContext;
        mOverlayController = controllers.taskbarOverlayController;
        mDragController = new TaskbarDragController(this);
        mDragController.init(controllers);
        mDragLayer = new TaskbarOverlayDragLayer(this);
        mStashedTaskbarHeight = controllers.taskbarStashController.getStashedHeight();

        mUiController = controllers.uiController;
        onViewCreated();
    }

    /** Called when the controller is destroyed. */
    public void onDestroy() {
        mDragController.onDestroy();
    }

    public @Nullable TaskbarSearchSessionController getSearchSessionController() {
        return mSearchSessionController;
    }

    public void setSearchSessionController(
            @Nullable TaskbarSearchSessionController searchSessionController) {
        mSearchSessionController = searchSessionController;
    }

    int getStashedTaskbarHeight() {
        return mStashedTaskbarHeight;
    }

    public TaskbarOverlayController getOverlayController() {
        return mOverlayController;
    }

    /** Returns {@code true} if overlay or Taskbar windows are handling a system drag. */
    boolean isAnySystemDragInProgress() {
        return mDragController.isSystemDragInProgress()
                || mTaskbarContext.getDragController().isSystemDragInProgress();
    }

    @Override
    public DeviceProfile getDeviceProfile() {
        return mOverlayController.getLauncherDeviceProfile();
    }

    @Override
    public View.AccessibilityDelegate getAccessibilityDelegate() {
        return mTaskbarContext.getAccessibilityDelegate();
    }

    @Override
    public TaskbarDragController getDragController() {
        return mDragController;
    }

    @Override
    public TaskbarOverlayDragLayer getDragLayer() {
        return mDragLayer;
    }

    @Override
    public TaskbarAllAppsContainerView getAppsView() {
        return mDragLayer.findViewById(R.id.apps_view);
    }

    @Override
    public View.OnClickListener getItemOnClickListener() {
        return mTaskbarContext.getItemOnClickListener();
    }

    @Override
    public View.OnLongClickListener getAllAppsItemLongClickListener() {
        return mDragController::startDragOnLongClick;
    }

    @NonNull
    @Override
    public PopupDataProvider getPopupDataProvider() {
        return mTaskbarContext.getPopupDataProvider();
    }

    @Override
    public void startSplitSelection(SplitSelectSource splitSelectSource) {
        mUiController.startSplitSelection(splitSelectSource);
    }

    @Override
    public boolean isTransientTaskbar() {
        return mTaskbarContext.isTransientTaskbar();
    }

    @Override
    public boolean isPinnedTaskbar() {
        return mTaskbarContext.isPinnedTaskbar();
    }

    @Override
    public NavigationMode getNavigationMode() {
        return mTaskbarContext.getNavigationMode();
    }

    @Override
    public boolean isInDesktopMode() {
        return mTaskbarContext.isInDesktopMode();
    }

    @Override
    public boolean showLockedTaskbarOnHome() {
        return mTaskbarContext.showLockedTaskbarOnHome();
    }

    @Override
    public boolean showDesktopTaskbarForFreeformDisplay() {
        return mTaskbarContext.showDesktopTaskbarForFreeformDisplay();
    }

    @Override
    public boolean isPrimaryDisplay() {
        return mTaskbarContext.isPrimaryDisplay();
    }

    @Override
    public void onDragStart() {}

    @Override
    public void onDragEnd() {
        mOverlayController.maybeCloseWindow();
    }

    @Override
    public void onPopupVisibilityChanged(boolean isVisible) {}

    @Override
    public void onSplitScreenMenuButtonClicked() {
    }
}