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/*
* Copyright (C) 2017 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.uioverrides;
import static com.android.launcher3.LauncherAnimUtils.OVERVIEW_TRANSITION_MS;
import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
import static com.android.launcher3.states.RotationHelper.REQUEST_ROTATE;
import android.view.View;
import com.android.launcher3.AbstractFloatingView;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.Launcher;
import com.android.launcher3.LauncherState;
import com.android.launcher3.Workspace;
import com.android.launcher3.allapps.DiscoveryBounce;
import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
import com.android.quickstep.views.RecentsView;
/**
* Definition for overview state
*/
public class OverviewState extends LauncherState {
private static final int STATE_FLAGS = FLAG_WORKSPACE_ICONS_CAN_BE_DRAGGED
| FLAG_DISABLE_RESTORE | FLAG_OVERVIEW_UI | FLAG_DISABLE_ACCESSIBILITY;
public OverviewState(int id) {
this(id, OVERVIEW_TRANSITION_MS, STATE_FLAGS);
}
protected OverviewState(int id, int transitionDuration, int stateFlags) {
super(id, ContainerType.TASKSWITCHER, transitionDuration, stateFlags);
}
@Override
public float[] getWorkspaceScaleAndTranslation(Launcher launcher) {
RecentsView recentsView = launcher.getOverviewPanel();
Workspace workspace = launcher.getWorkspace();
recentsView.getTaskSize(sTempRect);
float scale = (float) sTempRect.width() / workspace.getWidth();
float parallaxFactor = 0.4f;
return new float[]{scale, 0, -getDefaultSwipeHeight(launcher) * parallaxFactor};
}
@Override
public float[] getOverviewScaleAndTranslationYFactor(Launcher launcher) {
return new float[] {1f, 0f};
}
@Override
public void onStateEnabled(Launcher launcher) {
RecentsView rv = launcher.getOverviewPanel();
rv.setOverviewStateEnabled(true);
AbstractFloatingView.closeAllOpenViews(launcher);
}
@Override
public void onStateDisabled(Launcher launcher) {
RecentsView rv = launcher.getOverviewPanel();
rv.setOverviewStateEnabled(false);
}
@Override
public void onStateTransitionEnd(Launcher launcher) {
launcher.getRotationHelper().setCurrentStateRequest(REQUEST_ROTATE);
DiscoveryBounce.showForOverviewIfNeeded(launcher);
}
@Override
public View getFinalFocus(Launcher launcher) {
return launcher.getOverviewPanel();
}
public PageAlphaProvider getWorkspacePageAlphaProvider(Launcher launcher) {
return new PageAlphaProvider(DEACCEL_2) {
@Override
public float getPageAlpha(int pageIndex) {
return 0;
}
};
}
@Override
public int getVisibleElements(Launcher launcher) {
if (launcher.getDeviceProfile().isVerticalBarLayout()) {
return DRAG_HANDLE_INDICATOR;
} else {
return HOTSEAT_SEARCH_BOX | DRAG_HANDLE_INDICATOR |
(launcher.getAppsView().getFloatingHeaderView().hasVisibleContent()
? ALL_APPS_HEADER_EXTRA : HOTSEAT_ICONS);
}
}
@Override
public float getWorkspaceScrimAlpha(Launcher launcher) {
return 0.5f;
}
@Override
public float getVerticalProgress(Launcher launcher) {
if ((getVisibleElements(launcher) & ALL_APPS_HEADER_EXTRA) == 0) {
// We have no all apps content, so we're still at the fully down progress.
return super.getVerticalProgress(launcher);
}
return 1 - (getDefaultSwipeHeight(launcher)
/ launcher.getAllAppsController().getShiftRange());
}
public static float getDefaultSwipeHeight(Launcher launcher) {
DeviceProfile dp = launcher.getDeviceProfile();
return dp.allAppsCellHeightPx - dp.allAppsIconTextSizePx;
}
}
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