1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.launcher3.uioverrides; 17 18 import static com.android.launcher3.LauncherState.ALL_APPS; 19 import static com.android.launcher3.LauncherState.NORMAL; 20 import static com.android.launcher3.LauncherState.OVERVIEW; 21 22 import android.view.MotionEvent; 23 24 import com.android.launcher3.AbstractFloatingView; 25 import com.android.launcher3.Launcher; 26 import com.android.launcher3.LauncherState; 27 import com.android.launcher3.userevent.nano.LauncherLogProto; 28 import com.android.quickstep.TouchInteractionService; 29 import com.android.quickstep.views.RecentsView; 30 31 /** 32 * Touch controller from going from OVERVIEW to ALL_APPS. 33 * 34 * This is used in landscape mode. It is also used in portrait mode for the fallback recents. 35 */ 36 public class OverviewToAllAppsTouchController extends PortraitStatesTouchController { 37 OverviewToAllAppsTouchController(Launcher l)38 public OverviewToAllAppsTouchController(Launcher l) { 39 super(l); 40 } 41 42 @Override canInterceptTouch(MotionEvent ev)43 protected boolean canInterceptTouch(MotionEvent ev) { 44 if (mCurrentAnimation != null) { 45 // If we are already animating from a previous state, we can intercept. 46 return true; 47 } 48 if (AbstractFloatingView.getTopOpenView(mLauncher) != null) { 49 return false; 50 } 51 if (mLauncher.isInState(ALL_APPS)) { 52 // In all-apps only listen if the container cannot scroll itself 53 return mLauncher.getAppsView().shouldContainerScroll(ev); 54 } else if (mLauncher.isInState(NORMAL)) { 55 return true; 56 } else if (mLauncher.isInState(OVERVIEW)) { 57 RecentsView rv = mLauncher.getOverviewPanel(); 58 return ev.getY() > (rv.getBottom() - rv.getPaddingBottom()); 59 } else { 60 return false; 61 } 62 } 63 64 @Override getTargetState(LauncherState fromState, boolean isDragTowardPositive)65 protected LauncherState getTargetState(LauncherState fromState, boolean isDragTowardPositive) { 66 if (fromState == ALL_APPS && !isDragTowardPositive) { 67 // Should swipe down go to OVERVIEW instead? 68 return TouchInteractionService.isConnected() ? 69 mLauncher.getStateManager().getLastState() : NORMAL; 70 } else if (isDragTowardPositive) { 71 return ALL_APPS; 72 } 73 return fromState; 74 } 75 76 @Override getLogContainerTypeForNormalState()77 protected int getLogContainerTypeForNormalState() { 78 return LauncherLogProto.ContainerType.WORKSPACE; 79 } 80 } 81