| /* |
| * 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.quickstep.inputconsumers; |
| |
| import static android.view.MotionEvent.ACTION_CANCEL; |
| import static android.view.MotionEvent.ACTION_POINTER_DOWN; |
| import static android.view.MotionEvent.ACTION_UP; |
| |
| import static com.android.launcher3.Utilities.createHomeIntent; |
| import static com.android.launcher3.Utilities.squaredHypot; |
| import static com.android.launcher3.Utilities.squaredTouchSlop; |
| import static com.android.launcher3.util.VelocityUtils.PX_PER_MS; |
| import static com.android.quickstep.AbsSwipeUpHandler.MIN_PROGRESS_FOR_OVERVIEW; |
| import static com.android.quickstep.MultiStateCallback.DEBUG_STATES; |
| import static com.android.quickstep.util.ActiveGestureLog.INTENT_EXTRA_LOG_TRACE_ID; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.ObjectAnimator; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.graphics.Matrix; |
| import android.graphics.Point; |
| import android.graphics.PointF; |
| import android.view.MotionEvent; |
| import android.view.VelocityTracker; |
| |
| import com.android.launcher3.R; |
| import com.android.launcher3.anim.Interpolators; |
| import com.android.launcher3.testing.TestLogging; |
| import com.android.launcher3.testing.TestProtocol; |
| import com.android.launcher3.util.DisplayController; |
| import com.android.quickstep.AnimatedFloat; |
| 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.RecentsAnimationDeviceState; |
| import com.android.quickstep.RecentsAnimationTargets; |
| import com.android.quickstep.TaskAnimationManager; |
| import com.android.quickstep.util.TransformParams; |
| import com.android.quickstep.util.TransformParams.BuilderProxy; |
| import com.android.systemui.shared.recents.model.ThumbnailData; |
| import com.android.systemui.shared.system.ActivityManagerWrapper; |
| import com.android.systemui.shared.system.InputMonitorCompat; |
| import com.android.systemui.shared.system.RemoteAnimationTargetCompat; |
| import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams.Builder; |
| |
| import java.util.HashMap; |
| |
| /** |
| * A placeholder input consumer used when the device is still locked, e.g. from secure camera. |
| */ |
| public class DeviceLockedInputConsumer implements InputConsumer, |
| RecentsAnimationCallbacks.RecentsAnimationListener, BuilderProxy { |
| |
| private static final String[] STATE_NAMES = DEBUG_STATES ? new String[2] : 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 final Context mContext; |
| private final RecentsAnimationDeviceState mDeviceState; |
| private final TaskAnimationManager mTaskAnimationManager; |
| private final GestureState mGestureState; |
| private final float mTouchSlopSquared; |
| private final InputMonitorCompat mInputMonitorCompat; |
| |
| private final PointF mTouchDown = new PointF(); |
| private final TransformParams mTransformParams; |
| private final MultiStateCallback mStateCallback; |
| |
| private final Point mDisplaySize; |
| private final Matrix mMatrix = new Matrix(); |
| private final float mMaxTranslationY; |
| |
| private VelocityTracker mVelocityTracker; |
| private final AnimatedFloat mProgress = new AnimatedFloat(this::applyTransform); |
| |
| private boolean mThresholdCrossed = false; |
| private boolean mHomeLaunched = false; |
| |
| private RecentsAnimationController mRecentsAnimationController; |
| |
| public DeviceLockedInputConsumer(Context context, RecentsAnimationDeviceState deviceState, |
| TaskAnimationManager taskAnimationManager, GestureState gestureState, |
| InputMonitorCompat inputMonitorCompat) { |
| mContext = context; |
| mDeviceState = deviceState; |
| mTaskAnimationManager = taskAnimationManager; |
| mGestureState = gestureState; |
| mTouchSlopSquared = squaredTouchSlop(context); |
| mTransformParams = new TransformParams(); |
| mInputMonitorCompat = inputMonitorCompat; |
| mMaxTranslationY = context.getResources().getDimensionPixelSize( |
| R.dimen.device_locked_y_offset); |
| |
| // 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); |
| |
| mVelocityTracker = VelocityTracker.obtain(); |
| } |
| |
| @Override |
| public int getType() { |
| return TYPE_DEVICE_LOCKED; |
| } |
| |
| @Override |
| public void onMotionEvent(MotionEvent ev) { |
| if (mVelocityTracker == null) { |
| return; |
| } |
| mVelocityTracker.addMovement(ev); |
| |
| float x = ev.getX(); |
| float y = ev.getY(); |
| switch (ev.getAction()) { |
| case MotionEvent.ACTION_DOWN: |
| mTouchDown.set(x, y); |
| break; |
| case ACTION_POINTER_DOWN: { |
| if (!mThresholdCrossed) { |
| // Cancel interaction in case of multi-touch interaction |
| int ptrIdx = ev.getActionIndex(); |
| if (!mDeviceState.getRotationTouchHelper().isInSwipeUpTouchRegion(ev, ptrIdx)) { |
| int action = ev.getAction(); |
| ev.setAction(ACTION_CANCEL); |
| finishTouchTracking(ev); |
| ev.setAction(action); |
| } |
| } |
| break; |
| } |
| case MotionEvent.ACTION_MOVE: { |
| if (!mThresholdCrossed) { |
| if (squaredHypot(x - mTouchDown.x, y - mTouchDown.y) > mTouchSlopSquared) { |
| startRecentsTransition(); |
| } |
| } else { |
| float dy = Math.max(mTouchDown.y - y, 0); |
| mProgress.updateValue(dy / mDisplaySize.y); |
| } |
| break; |
| } |
| case MotionEvent.ACTION_CANCEL: |
| case MotionEvent.ACTION_UP: |
| finishTouchTracking(ev); |
| break; |
| } |
| } |
| |
| /** |
| * Called when the gesture has ended. Does not correlate to the completion of the interaction as |
| * the animation can still be running. |
| */ |
| private void finishTouchTracking(MotionEvent ev) { |
| if (mThresholdCrossed && ev.getAction() == ACTION_UP) { |
| mVelocityTracker.computeCurrentVelocity(PX_PER_MS); |
| |
| float velocityY = mVelocityTracker.getYVelocity(); |
| float flingThreshold = mContext.getResources() |
| .getDimension(R.dimen.quickstep_fling_threshold_speed); |
| |
| boolean dismissTask; |
| if (Math.abs(velocityY) > flingThreshold) { |
| // Is fling |
| dismissTask = velocityY < 0; |
| } else { |
| dismissTask = mProgress.value >= (1 - MIN_PROGRESS_FOR_OVERVIEW); |
| } |
| |
| // Animate back to fullscreen before finishing |
| ObjectAnimator animator = mProgress.animateToValue(mProgress.value, 0); |
| animator.setDuration(100); |
| animator.setInterpolator(Interpolators.ACCEL); |
| animator.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| if (dismissTask) { |
| // For now, just start the home intent so user is prompted to unlock the device. |
| mContext.startActivity(createHomeIntent()); |
| mHomeLaunched = true; |
| } |
| mStateCallback.setState(STATE_HANDLER_INVALIDATED); |
| } |
| }); |
| animator.start(); |
| } else { |
| mStateCallback.setState(STATE_HANDLER_INVALIDATED); |
| } |
| mVelocityTracker.recycle(); |
| mVelocityTracker = null; |
| } |
| |
| private void startRecentsTransition() { |
| mThresholdCrossed = true; |
| mHomeLaunched = false; |
| 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 void onRecentsAnimationStart(RecentsAnimationController controller, |
| RecentsAnimationTargets targets) { |
| mRecentsAnimationController = controller; |
| mTransformParams.setTargetSet(targets); |
| applyTransform(); |
| mStateCallback.setState(STATE_TARGET_RECEIVED); |
| } |
| |
| @Override |
| public void onRecentsAnimationCanceled(HashMap<Integer, ThumbnailData> thumbnailDatas) { |
| mRecentsAnimationController = null; |
| mTransformParams.setTargetSet(null); |
| } |
| |
| private void endRemoteAnimation() { |
| if (mHomeLaunched) { |
| ActivityManagerWrapper.getInstance().cancelRecentsAnimation(false); |
| } else if (mRecentsAnimationController != null) { |
| mRecentsAnimationController.finishController( |
| false /* toRecents */, null /* callback */, false /* sendUserLeaveHint */); |
| } |
| } |
| |
| private void applyTransform() { |
| mTransformParams.setProgress(mProgress.value); |
| if (mTransformParams.getTargetSet() != null) { |
| mTransformParams.applySurfaceParams(mTransformParams.createSurfaceParams(this)); |
| } |
| } |
| |
| @Override |
| public void onBuildTargetParams( |
| Builder builder, RemoteAnimationTargetCompat app, TransformParams params) { |
| mMatrix.setTranslate(0, mProgress.value * mMaxTranslationY); |
| builder.withMatrix(mMatrix); |
| } |
| |
| @Override |
| public void onConsumerAboutToBeSwitched() { |
| mStateCallback.setState(STATE_HANDLER_INVALIDATED); |
| } |
| |
| @Override |
| public boolean allowInterceptByParent() { |
| return !mThresholdCrossed; |
| } |
| } |