/* * Copyright (C) 2018 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.AbstractFloatingView.TYPE_ACCESSIBLE; import static com.android.launcher3.AbstractFloatingView.TYPE_ALL_APPS_EDU; import static com.android.launcher3.AbstractFloatingView.getTopOpenViewWithType; import static com.android.launcher3.LauncherState.ALL_APPS; import static com.android.launcher3.LauncherState.NORMAL; import static com.android.launcher3.LauncherState.OVERVIEW; import static com.android.launcher3.anim.Interpolators.ACCEL; import static com.android.launcher3.anim.Interpolators.DEACCEL; import static com.android.launcher3.states.StateAnimationConfig.ANIM_ALL_APPS_FADE; import android.view.MotionEvent; import com.android.launcher3.DeviceProfile; import com.android.launcher3.Launcher; import com.android.launcher3.LauncherState; import com.android.launcher3.allapps.AllAppsTransitionController; import com.android.launcher3.anim.Interpolators; import com.android.launcher3.states.StateAnimationConfig; import com.android.launcher3.touch.AbstractStateChangeTouchController; import com.android.launcher3.touch.SingleAxisSwipeDetector; import com.android.launcher3.uioverrides.states.OverviewState; import com.android.quickstep.SystemUiProxy; import com.android.quickstep.util.LayoutUtils; import com.android.quickstep.views.RecentsView; import com.android.systemui.shared.system.InteractionJankMonitorWrapper; /** * Touch controller for handling various state transitions in portrait UI. */ public class PortraitStatesTouchController extends AbstractStateChangeTouchController { private static final String TAG = "PortraitStatesTouchCtrl"; /** * The progress at which all apps content will be fully visible. */ protected static final float ALL_APPS_CONTENT_FADE_MAX_CLAMPING_THRESHOLD = 0.8f; /** * Minimum clamping progress for fading in all apps content */ protected static final float ALL_APPS_CONTENT_FADE_MIN_CLAMPING_THRESHOLD = 0.4f; /** * The progress at which recents will begin fading out when swiping up from overview. */ private static final float RECENTS_FADE_THRESHOLD = 0.88f; private final PortraitOverviewStateTouchHelper mOverviewPortraitStateTouchHelper; public PortraitStatesTouchController(Launcher l) { super(l, SingleAxisSwipeDetector.VERTICAL); mOverviewPortraitStateTouchHelper = new PortraitOverviewStateTouchHelper(l); } @Override protected boolean canInterceptTouch(MotionEvent ev) { // If we are swiping to all apps instead of overview, allow it from anywhere. boolean interceptAnywhere = mLauncher.isInState(NORMAL); if (mCurrentAnimation != null) { AllAppsTransitionController allAppsController = mLauncher.getAllAppsController(); if (ev.getY() >= allAppsController.getShiftRange() * allAppsController.getProgress() || interceptAnywhere) { // If we are already animating from a previous state, we can intercept as long as // the touch is below the current all apps progress (to allow for double swipe). return true; } // Otherwise, don't intercept so they can scroll recents, dismiss a task, etc. return false; } if (mLauncher.isInState(ALL_APPS)) { // In all-apps only listen if the container cannot scroll itself if (!mLauncher.getAppsView().shouldContainerScroll(ev)) { return false; } } else if (mLauncher.isInState(OVERVIEW)) { if (!mOverviewPortraitStateTouchHelper.canInterceptTouch(ev)) { return false; } } else { // For non-normal states, only listen if the event originated below the hotseat height if (!interceptAnywhere && !isTouchOverHotseat(mLauncher, ev)) { return false; } } if (getTopOpenViewWithType(mLauncher, TYPE_ACCESSIBLE | TYPE_ALL_APPS_EDU) != null) { return false; } return true; } @Override protected LauncherState getTargetState(LauncherState fromState, boolean isDragTowardPositive) { if (fromState == ALL_APPS && !isDragTowardPositive) { return NORMAL; } else if (fromState == OVERVIEW) { return isDragTowardPositive ? OVERVIEW : NORMAL; } else if (fromState == NORMAL && isDragTowardPositive) { return ALL_APPS; } return fromState; } private StateAnimationConfig getNormalToAllAppsAnimation() { StateAnimationConfig builder = new StateAnimationConfig(); builder.setInterpolator(ANIM_ALL_APPS_FADE, Interpolators.clampToProgress(ACCEL, 0, ALL_APPS_CONTENT_FADE_MAX_CLAMPING_THRESHOLD)); return builder; } private StateAnimationConfig getAllAppsToNormalAnimation() { StateAnimationConfig builder = new StateAnimationConfig(); builder.setInterpolator(ANIM_ALL_APPS_FADE, Interpolators.clampToProgress(DEACCEL, 1 - ALL_APPS_CONTENT_FADE_MAX_CLAMPING_THRESHOLD, 1)); return builder; } @Override protected StateAnimationConfig getConfigForStates( LauncherState fromState, LauncherState toState) { final StateAnimationConfig config; if (fromState == NORMAL && toState == ALL_APPS) { config = getNormalToAllAppsAnimation(); } else if (fromState == ALL_APPS && toState == NORMAL) { config = getAllAppsToNormalAnimation(); } else { config = new StateAnimationConfig(); } return config; } @Override protected float initCurrentAnimation() { float range = getShiftRange(); long maxAccuracy = (long) (2 * range); float startVerticalShift = mFromState.getVerticalProgress(mLauncher) * range; float endVerticalShift = mToState.getVerticalProgress(mLauncher) * range; float totalShift = endVerticalShift - startVerticalShift; final StateAnimationConfig config = totalShift == 0 ? new StateAnimationConfig() : getConfigForStates(mFromState, mToState); config.duration = maxAccuracy; if (mCurrentAnimation != null) { mCurrentAnimation.getTarget().removeListener(mClearStateOnCancelListener); mCurrentAnimation.dispatchOnCancel(); } mGoingBetweenStates = true; if (mFromState == OVERVIEW && mToState == NORMAL && mOverviewPortraitStateTouchHelper.shouldSwipeDownReturnToApp()) { // Reset the state manager, when changing the interaction mode mLauncher.getStateManager().goToState(OVERVIEW, false /* animate */); mGoingBetweenStates = false; mCurrentAnimation = mOverviewPortraitStateTouchHelper .createSwipeDownToTaskAppAnimation(maxAccuracy, Interpolators.LINEAR) .createPlaybackController(); mLauncher.getStateManager().setCurrentUserControlledAnimation(mCurrentAnimation); RecentsView recentsView = mLauncher.getOverviewPanel(); totalShift = LayoutUtils.getShelfTrackingDistance(mLauncher, mLauncher.getDeviceProfile(), recentsView.getPagedOrientationHandler()); } else { mCurrentAnimation = mLauncher.getStateManager() .createAnimationToNewWorkspace(mToState, config); } mCurrentAnimation.getTarget().addListener(mClearStateOnCancelListener); if (totalShift == 0) { totalShift = Math.signum(mFromState.ordinal - mToState.ordinal) * OverviewState.getDefaultSwipeHeight(mLauncher); } return 1 / totalShift; } @Override protected void onSwipeInteractionCompleted(LauncherState targetState) { super.onSwipeInteractionCompleted(targetState); if (mStartState == NORMAL && targetState == OVERVIEW) { SystemUiProxy.INSTANCE.get(mLauncher).onOverviewShown(true, TAG); } } /** * Whether the motion event is over the hotseat. * * @param launcher the launcher activity * @param ev the event to check * @return true if the event is over the hotseat */ static boolean isTouchOverHotseat(Launcher launcher, MotionEvent ev) { return (ev.getY() >= getHotseatTop(launcher)); } public static int getHotseatTop(Launcher launcher) { DeviceProfile dp = launcher.getDeviceProfile(); int hotseatHeight = dp.hotseatBarSizePx + dp.getInsets().bottom; return launcher.getDragLayer().getHeight() - hotseatHeight; } @Override public boolean onControllerInterceptTouchEvent(MotionEvent ev) { switch (ev.getAction()) { case MotionEvent.ACTION_DOWN: InteractionJankMonitorWrapper.begin( mLauncher.getRootView(), InteractionJankMonitorWrapper.CUJ_OPEN_ALL_APPS); break; case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_UP: InteractionJankMonitorWrapper.cancel( InteractionJankMonitorWrapper.CUJ_OPEN_ALL_APPS); break; } return super.onControllerInterceptTouchEvent(ev); } @Override protected void onReinitToState(LauncherState newToState) { super.onReinitToState(newToState); if (newToState != ALL_APPS) { InteractionJankMonitorWrapper.cancel(InteractionJankMonitorWrapper.CUJ_OPEN_ALL_APPS); } } @Override protected void onReachedFinalState(LauncherState toState) { super.onReinitToState(toState); if (toState == ALL_APPS) { InteractionJankMonitorWrapper.end(InteractionJankMonitorWrapper.CUJ_OPEN_ALL_APPS); } } @Override protected void clearState() { super.clearState(); InteractionJankMonitorWrapper.cancel(InteractionJankMonitorWrapper.CUJ_OPEN_ALL_APPS); } }