| /* |
| * Copyright (C) 2021 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.quickstep.inputconsumers; |
| |
| import static com.android.launcher3.anim.Interpolators.scrollInterpolatorForVelocity; |
| import static com.android.launcher3.touch.BaseSwipeDetector.calculateDuration; |
| import static com.android.launcher3.touch.SingleAxisSwipeDetector.DIRECTION_POSITIVE; |
| import static com.android.launcher3.touch.SingleAxisSwipeDetector.VERTICAL; |
| import static com.android.quickstep.MultiStateCallback.DEBUG_STATES; |
| import static com.android.quickstep.OverviewComponentObserver.startHomeIntentSafely; |
| import static com.android.quickstep.util.ActiveGestureLog.INTENT_EXTRA_LOG_TRACE_ID; |
| |
| import android.animation.ObjectAnimator; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.graphics.Point; |
| import android.view.MotionEvent; |
| |
| import com.android.launcher3.anim.AnimatedFloat; |
| import com.android.launcher3.anim.AnimatorListeners; |
| import com.android.launcher3.testing.TestLogging; |
| import com.android.launcher3.testing.shared.TestProtocol; |
| import com.android.launcher3.touch.SingleAxisSwipeDetector; |
| import com.android.launcher3.util.DisplayController; |
| import com.android.quickstep.GestureState; |
| import com.android.quickstep.InputConsumer; |
| import com.android.quickstep.MultiStateCallback; |
| import com.android.quickstep.RecentsAnimationCallbacks; |
| import com.android.quickstep.RecentsAnimationController; |
| import com.android.quickstep.RecentsAnimationTargets; |
| import com.android.quickstep.TaskAnimationManager; |
| import com.android.systemui.shared.recents.model.ThumbnailData; |
| import com.android.systemui.shared.system.InputMonitorCompat; |
| |
| import java.util.HashMap; |
| |
| /** |
| * Input consumer which delegates the swipe-progress handling |
| */ |
| public class ProgressDelegateInputConsumer implements InputConsumer, |
| RecentsAnimationCallbacks.RecentsAnimationListener, |
| SingleAxisSwipeDetector.Listener { |
| |
| private static final float SWIPE_DISTANCE_THRESHOLD = 0.2f; |
| |
| private static final String[] STATE_NAMES = DEBUG_STATES ? new String[3] : null; |
| private static int getFlagForIndex(int index, String name) { |
| if (DEBUG_STATES) { |
| STATE_NAMES[index] = name; |
| } |
| return 1 << index; |
| } |
| |
| private static final int STATE_TARGET_RECEIVED = |
| getFlagForIndex(0, "STATE_TARGET_RECEIVED"); |
| private static final int STATE_HANDLER_INVALIDATED = |
| getFlagForIndex(1, "STATE_HANDLER_INVALIDATED"); |
| private static final int STATE_FLING_FINISHED = |
| getFlagForIndex(2, "STATE_FLING_FINISHED"); |
| |
| private final Context mContext; |
| private final TaskAnimationManager mTaskAnimationManager; |
| private final GestureState mGestureState; |
| private final InputMonitorCompat mInputMonitorCompat; |
| private final MultiStateCallback mStateCallback; |
| |
| private final Point mDisplaySize; |
| private final SingleAxisSwipeDetector mSwipeDetector; |
| |
| private final AnimatedFloat mProgress; |
| |
| private boolean mDragStarted = false; |
| |
| private RecentsAnimationController mRecentsAnimationController; |
| private Boolean mFlingEndsOnHome; |
| |
| public ProgressDelegateInputConsumer(Context context, |
| TaskAnimationManager taskAnimationManager, GestureState gestureState, |
| InputMonitorCompat inputMonitorCompat, AnimatedFloat progress) { |
| mContext = context; |
| mTaskAnimationManager = taskAnimationManager; |
| mGestureState = gestureState; |
| mInputMonitorCompat = inputMonitorCompat; |
| mProgress = progress; |
| |
| // Do not use DeviceProfile as the user data might be locked |
| mDisplaySize = DisplayController.INSTANCE.get(context).getInfo().currentSize; |
| |
| // Init states |
| mStateCallback = new MultiStateCallback(STATE_NAMES); |
| mStateCallback.runOnceAtState(STATE_TARGET_RECEIVED | STATE_HANDLER_INVALIDATED, |
| this::endRemoteAnimation); |
| mStateCallback.runOnceAtState(STATE_TARGET_RECEIVED | STATE_FLING_FINISHED, |
| this::onFlingFinished); |
| |
| mSwipeDetector = new SingleAxisSwipeDetector(mContext, this, VERTICAL); |
| mSwipeDetector.setDetectableScrollConditions(DIRECTION_POSITIVE, false); |
| } |
| |
| @Override |
| public int getType() { |
| return TYPE_PROGRESS_DELEGATE; |
| } |
| |
| @Override |
| public void onMotionEvent(MotionEvent ev) { |
| if (mFlingEndsOnHome == null) { |
| mSwipeDetector.onTouchEvent(ev); |
| } |
| } |
| |
| @Override |
| public void onDragStart(boolean start, float startDisplacement) { |
| mDragStarted = true; |
| TestLogging.recordEvent(TestProtocol.SEQUENCE_PILFER, "pilferPointers"); |
| mInputMonitorCompat.pilferPointers(); |
| Intent intent = mGestureState.getHomeIntent() |
| .putExtra(INTENT_EXTRA_LOG_TRACE_ID, mGestureState.getGestureId()); |
| mTaskAnimationManager.startRecentsAnimation(mGestureState, intent, this); |
| } |
| |
| @Override |
| public boolean onDrag(float displacement) { |
| if (mDisplaySize.y > 0) { |
| mProgress.updateValue(displacement / -mDisplaySize.y); |
| } |
| return true; |
| } |
| |
| @Override |
| public void onDragEnd(float velocity) { |
| final boolean willExit; |
| if (mSwipeDetector.isFling(velocity)) { |
| willExit = velocity < 0; |
| } else { |
| willExit = mProgress.value > SWIPE_DISTANCE_THRESHOLD; |
| } |
| float endValue = willExit ? 1 : 0; |
| long duration = calculateDuration(velocity, endValue - mProgress.value); |
| mFlingEndsOnHome = willExit; |
| |
| ObjectAnimator anim = mProgress.animateToValue(endValue); |
| anim.setDuration(duration).setInterpolator(scrollInterpolatorForVelocity(velocity)); |
| anim.addListener(AnimatorListeners.forSuccessCallback( |
| () -> mStateCallback.setState(STATE_FLING_FINISHED))); |
| anim.start(); |
| } |
| |
| private void onFlingFinished() { |
| boolean endToRecents = mFlingEndsOnHome == null ? true : mFlingEndsOnHome; |
| if (mRecentsAnimationController != null) { |
| mRecentsAnimationController.finishController(endToRecents /* toRecents */, |
| null /* callback */, false /* sendUserLeaveHint */); |
| } else if (endToRecents) { |
| startHomeIntentSafely(mContext, null); |
| } |
| } |
| |
| @Override |
| public void onRecentsAnimationStart(RecentsAnimationController controller, |
| RecentsAnimationTargets targets) { |
| mRecentsAnimationController = controller; |
| mStateCallback.setState(STATE_TARGET_RECEIVED); |
| } |
| |
| @Override |
| public void onRecentsAnimationCanceled(HashMap<Integer, ThumbnailData> thumbnailDatas) { |
| mRecentsAnimationController = null; |
| } |
| |
| private void endRemoteAnimation() { |
| onDragEnd(Float.MIN_VALUE); |
| } |
| |
| @Override |
| public void onConsumerAboutToBeSwitched() { |
| mStateCallback.setState(STATE_HANDLER_INVALIDATED); |
| } |
| |
| @Override |
| public boolean allowInterceptByParent() { |
| return !mDragStarted; |
| } |
| } |