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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.touchcontrollers;
import static com.android.launcher3.LauncherState.NORMAL;
import static com.android.launcher3.LauncherState.QUICK_SWITCH;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_ALL_APPS_FADE;
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_Y;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_VERTICAL_PROGRESS;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_FADE;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_TRANSLATE;
import static com.android.launcher3.anim.Interpolators.ACCEL_2;
import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
import static com.android.launcher3.anim.Interpolators.INSTANT;
import static com.android.launcher3.anim.Interpolators.LINEAR;
import static com.android.launcher3.util.SystemUiController.UI_STATE_OVERVIEW;
import static com.android.quickstep.views.RecentsView.UPDATE_SYSUI_FLAGS_THRESHOLD;
import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_OVERVIEW_DISABLED;
import android.view.MotionEvent;
import androidx.annotation.Nullable;
import com.android.launcher3.Launcher;
import com.android.launcher3.LauncherState;
import com.android.launcher3.LauncherStateManager;
import com.android.launcher3.Utilities;
import com.android.launcher3.anim.AnimatorSetBuilder;
import com.android.launcher3.touch.AbstractStateChangeTouchController;
import com.android.launcher3.touch.SwipeDetector;
import com.android.launcher3.userevent.nano.LauncherLogProto;
import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction;
import com.android.quickstep.OverviewInteractionState;
import com.android.quickstep.SysUINavigationMode;
import com.android.quickstep.SysUINavigationMode.Mode;
import com.android.quickstep.views.RecentsView;
import com.android.quickstep.views.TaskView;
import com.android.systemui.shared.system.QuickStepContract;
/**
* Handles quick switching to a recent task from the home screen.
*/
public class QuickSwitchTouchController extends AbstractStateChangeTouchController {
private @Nullable TaskView mTaskToLaunch;
public QuickSwitchTouchController(Launcher launcher) {
this(launcher, SwipeDetector.HORIZONTAL);
}
protected QuickSwitchTouchController(Launcher l, SwipeDetector.Direction dir) {
super(l, dir);
}
@Override
protected boolean canInterceptTouch(MotionEvent ev) {
if (mCurrentAnimation != null) {
return true;
}
if (!mLauncher.isInState(LauncherState.NORMAL)) {
return false;
}
if ((ev.getEdgeFlags() & Utilities.EDGE_NAV_BAR) == 0) {
return false;
}
return true;
}
@Override
protected LauncherState getTargetState(LauncherState fromState, boolean isDragTowardPositive) {
int stateFlags = OverviewInteractionState.INSTANCE.get(mLauncher).getSystemUiStateFlags();
if ((stateFlags & SYSUI_STATE_OVERVIEW_DISABLED) != 0) {
return NORMAL;
}
return isDragTowardPositive ? QUICK_SWITCH : NORMAL;
}
@Override
public void onDragStart(boolean start) {
super.onDragStart(start);
mStartContainerType = LauncherLogProto.ContainerType.NAVBAR;
mTaskToLaunch = mLauncher.<RecentsView>getOverviewPanel().getTaskViewAt(0);
}
@Override
protected void onSwipeInteractionCompleted(LauncherState targetState, int logAction) {
super.onSwipeInteractionCompleted(targetState, logAction);
mTaskToLaunch = null;
}
@Override
protected float initCurrentAnimation(int animComponents) {
AnimatorSetBuilder animatorSetBuilder = new AnimatorSetBuilder();
setupInterpolators(animatorSetBuilder);
long accuracy = (long) (getShiftRange() * 2);
mCurrentAnimation = mLauncher.getStateManager().createAnimationToNewWorkspace(mToState,
animatorSetBuilder, accuracy, this::clearState, LauncherStateManager.ANIM_ALL);
mCurrentAnimation.getAnimationPlayer().addUpdateListener(valueAnimator -> {
updateFullscreenProgress((Float) valueAnimator.getAnimatedValue());
});
return 1 / getShiftRange();
}
private void setupInterpolators(AnimatorSetBuilder animatorSetBuilder) {
animatorSetBuilder.setInterpolator(ANIM_WORKSPACE_FADE, DEACCEL_2);
animatorSetBuilder.setInterpolator(ANIM_ALL_APPS_FADE, DEACCEL_2);
if (SysUINavigationMode.getMode(mLauncher) == Mode.NO_BUTTON) {
// Overview lives to the left of workspace, so translate down later than over
animatorSetBuilder.setInterpolator(ANIM_WORKSPACE_TRANSLATE, ACCEL_2);
animatorSetBuilder.setInterpolator(ANIM_VERTICAL_PROGRESS, ACCEL_2);
animatorSetBuilder.setInterpolator(ANIM_OVERVIEW_SCALE, ACCEL_2);
animatorSetBuilder.setInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, ACCEL_2);
animatorSetBuilder.setInterpolator(ANIM_OVERVIEW_FADE, INSTANT);
} else {
animatorSetBuilder.setInterpolator(ANIM_WORKSPACE_TRANSLATE, LINEAR);
animatorSetBuilder.setInterpolator(ANIM_VERTICAL_PROGRESS, LINEAR);
}
}
@Override
protected void updateProgress(float progress) {
super.updateProgress(progress);
updateFullscreenProgress(Utilities.boundToRange(progress, 0, 1));
}
private void updateFullscreenProgress(float progress) {
if (mTaskToLaunch != null) {
mTaskToLaunch.setFullscreenProgress(progress);
int sysuiFlags = progress > UPDATE_SYSUI_FLAGS_THRESHOLD
? mTaskToLaunch.getThumbnail().getSysUiStatusNavFlags()
: 0;
mLauncher.getSystemUiController().updateUiState(UI_STATE_OVERVIEW, sysuiFlags);
}
}
@Override
protected float getShiftRange() {
return mLauncher.getDeviceProfile().widthPx / 2f;
}
@Override
protected int getLogContainerTypeForNormalState(MotionEvent ev) {
return LauncherLogProto.ContainerType.NAVBAR;
}
@Override
protected int getDirectionForLog() {
return Utilities.isRtl(mLauncher.getResources()) ? Direction.LEFT : Direction.RIGHT;
}
}
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