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/*
* Copyright (C) 2019 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.states;
import static android.view.View.VISIBLE;
import static com.android.launcher3.LauncherAnimUtils.OVERVIEW_TRANSITION_MS;
import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_FADE;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_SCALE;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_TRANSLATE_X;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_FADE;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_SCALE;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_TRANSLATE;
import static com.android.launcher3.anim.Interpolators.ACCEL;
import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_2;
import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_7;
import static com.android.launcher3.states.RotationHelper.REQUEST_ROTATE;
import android.content.Context;
import android.view.View;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.Launcher;
import com.android.launcher3.LauncherState;
import com.android.launcher3.R;
import com.android.launcher3.anim.AnimatorSetBuilder;
import com.android.launcher3.userevent.nano.LauncherLogProto;
import com.android.quickstep.SysUINavigationMode;
import com.android.quickstep.views.IconRecentsView;
/**
* Definition for overview state
*/
public class OverviewState extends LauncherState {
// Scale recents takes before animating in
private static final float RECENTS_PREPARE_SCALE = 1.33f;
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, LauncherLogProto.ContainerType.TASKSWITCHER, transitionDuration, stateFlags);
}
@Override
public ScaleAndTranslation getOverviewScaleAndTranslation(Launcher launcher) {
return new ScaleAndTranslation(1f, 0f, 0f);
}
@Override
public void onStateEnabled(Launcher launcher) {
IconRecentsView recentsView = launcher.getOverviewPanel();
recentsView.onBeginTransitionToOverview();
recentsView.setShowStatusBarForegroundScrim(true);
// Request orientation be set to unspecified, letting the system decide the best
// orientation.
launcher.getRotationHelper().setCurrentStateRequest(REQUEST_ROTATE);
}
@Override
public void onStateDisabled(Launcher launcher) {
IconRecentsView recentsView = launcher.getOverviewPanel();
recentsView.setShowStatusBarForegroundScrim(false);
}
@Override
public PageAlphaProvider getWorkspacePageAlphaProvider(Launcher launcher) {
return new PageAlphaProvider(DEACCEL_2) {
@Override
public float getPageAlpha(int pageIndex) {
return 0;
}
};
}
@Override
public int getVisibleElements(Launcher launcher) {
return NONE;
}
@Override
public float getWorkspaceScrimAlpha(Launcher launcher) {
return 0.5f;
}
@Override
public String getDescription(Launcher launcher) {
return launcher.getString(R.string.accessibility_desc_recent_apps);
}
@Override
public void onBackPressed(Launcher launcher) {
// TODO: Add logic to go back to task if coming from a currently running task.
super.onBackPressed(launcher);
}
public static float getDefaultSwipeHeight(Launcher launcher) {
return getDefaultSwipeHeight(launcher, launcher.getDeviceProfile());
}
public static float getDefaultSwipeHeight(Context context, DeviceProfile dp) {
return dp.allAppsCellHeightPx - dp.allAppsIconTextSizePx;
}
@Override
public void prepareForAtomicAnimation(Launcher launcher, LauncherState fromState,
AnimatorSetBuilder builder) {
if (fromState == NORMAL && this == OVERVIEW) {
if (SysUINavigationMode.getMode(launcher) == SysUINavigationMode.Mode.NO_BUTTON) {
builder.setInterpolator(ANIM_WORKSPACE_SCALE, ACCEL);
builder.setInterpolator(ANIM_WORKSPACE_TRANSLATE, ACCEL);
} else {
builder.setInterpolator(ANIM_WORKSPACE_SCALE, OVERSHOOT_1_2);
}
builder.setInterpolator(ANIM_WORKSPACE_FADE, OVERSHOOT_1_2);
builder.setInterpolator(ANIM_OVERVIEW_SCALE, OVERSHOOT_1_2);
builder.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, OVERSHOOT_1_7);
builder.setInterpolator(ANIM_OVERVIEW_FADE, OVERSHOOT_1_2);
View overview = launcher.getOverviewPanel();
if (overview.getVisibility() != VISIBLE) {
SCALE_PROPERTY.set(overview, RECENTS_PREPARE_SCALE);
}
}
}
public static OverviewState newBackgroundState(int id) {
return new OverviewState(id);
}
public static OverviewState newPeekState(int id) {
return new OverviewState(id);
}
public static OverviewState newSwitchState(int id) {
return new OverviewState(id);
}
}
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