| /* |
| * Copyright (C) 2017 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; |
| |
| import static com.android.launcher3.LauncherState.ALL_APPS; |
| import static com.android.launcher3.LauncherState.NORMAL; |
| |
| import android.view.MotionEvent; |
| |
| import com.android.launcher3.Launcher; |
| import com.android.launcher3.touch.SwipeDetector; |
| import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction; |
| import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch; |
| import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType; |
| import com.android.launcher3.util.VerticalSwipeController; |
| |
| /** |
| * Extension of {@link VerticalSwipeController} to switch between NORMAL and ALL_APPS state. |
| */ |
| public class AllAppsSwipeController extends VerticalSwipeController { |
| |
| private int mStartContainerType; |
| |
| public AllAppsSwipeController(Launcher l) { |
| super(l, NORMAL); |
| } |
| |
| @Override |
| protected boolean shouldInterceptTouch(MotionEvent ev) { |
| if (!mLauncher.isInState(NORMAL) && !mLauncher.isInState(ALL_APPS)) { |
| // Don't listen for the swipe gesture if we are already in some other state. |
| return false; |
| } |
| |
| if (mLauncher.isInState(ALL_APPS) && !mLauncher.getAppsView().shouldContainerScroll(ev)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| protected int getSwipeDirection(MotionEvent ev) { |
| if (mLauncher.isInState(ALL_APPS)) { |
| mStartContainerType = ContainerType.ALLAPPS; |
| return SwipeDetector.DIRECTION_NEGATIVE; |
| } else { |
| mStartContainerType = mLauncher.getDragLayer().isEventOverHotseat(ev) ? |
| ContainerType.HOTSEAT : ContainerType.WORKSPACE; |
| return SwipeDetector.DIRECTION_POSITIVE; |
| } |
| } |
| |
| @Override |
| protected void onTransitionComplete(boolean wasFling, boolean stateChanged) { |
| if (stateChanged) { |
| // Transition complete. log the action |
| mLauncher.getUserEventDispatcher().logActionOnContainer( |
| wasFling ? Touch.FLING : Touch.SWIPE, |
| mLauncher.isInState(ALL_APPS) ? Direction.UP : Direction.DOWN, |
| mStartContainerType, |
| mLauncher.getWorkspace().getCurrentPage()); |
| } |
| } |
| } |