mirror of
https://github.com/LawnchairLauncher/lawnchair.git
synced 2026-03-03 09:26:51 +00:00
Move some classes to packages
Added states/ and touchcontrollers/ packages Change-Id: I8d59c47770c24c9edd1b7ce879e6a80ca8b88c71
This commit is contained in:
Tony
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.uioverrides.touchcontrollers;
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import static com.android.launcher3.AbstractFloatingView.TYPE_ACCESSIBLE;
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import static com.android.launcher3.LauncherState.ALL_APPS;
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import static com.android.launcher3.LauncherState.NORMAL;
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import static com.android.launcher3.LauncherState.OVERVIEW;
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import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_ALL_APPS_FADE;
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import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_FADE;
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import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_VERTICAL_PROGRESS;
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import static com.android.launcher3.anim.Interpolators.ACCEL;
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import static com.android.launcher3.anim.Interpolators.DEACCEL;
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import static com.android.launcher3.anim.Interpolators.LINEAR;
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import static com.android.launcher3.config.FeatureFlags.QUICKSTEP_SPRINGS;
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import android.animation.TimeInterpolator;
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import android.animation.ValueAnimator;
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import android.view.MotionEvent;
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import android.view.animation.Interpolator;
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import com.android.launcher3.AbstractFloatingView;
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import com.android.launcher3.DeviceProfile;
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import com.android.launcher3.Launcher;
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import com.android.launcher3.LauncherState;
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import com.android.launcher3.LauncherStateManager.AnimationComponents;
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import com.android.launcher3.allapps.AllAppsTransitionController;
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import com.android.launcher3.anim.AnimatorPlaybackController;
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import com.android.launcher3.anim.AnimatorSetBuilder;
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import com.android.launcher3.anim.Interpolators;
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import com.android.launcher3.touch.AbstractStateChangeTouchController;
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import com.android.launcher3.touch.SwipeDetector;
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import com.android.launcher3.uioverrides.states.OverviewState;
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import com.android.launcher3.uioverrides.touchcontrollers.PortraitOverviewStateTouchHelper;
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import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
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import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
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import com.android.quickstep.RecentsModel;
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import com.android.quickstep.TouchInteractionService;
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import com.android.quickstep.util.LayoutUtils;
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/**
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* Touch controller for handling various state transitions in portrait UI.
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*/
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public class PortraitStatesTouchController extends AbstractStateChangeTouchController {
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private static final String TAG = "PortraitStatesTouchCtrl";
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/**
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* The progress at which all apps content will be fully visible when swiping up from overview.
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*/
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private static final float ALL_APPS_CONTENT_FADE_THRESHOLD = 0.08f;
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/**
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* The progress at which recents will begin fading out when swiping up from overview.
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*/
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private static final float RECENTS_FADE_THRESHOLD = 0.88f;
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private final PortraitOverviewStateTouchHelper mOverviewPortraitStateTouchHelper;
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private final InterpolatorWrapper mAllAppsInterpolatorWrapper = new InterpolatorWrapper();
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private final boolean mAllowDragToOverview;
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// If true, we will finish the current animation instantly on second touch.
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private boolean mFinishFastOnSecondTouch;
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public PortraitStatesTouchController(Launcher l, boolean allowDragToOverview) {
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super(l, SwipeDetector.VERTICAL);
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mOverviewPortraitStateTouchHelper = new PortraitOverviewStateTouchHelper(l);
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mAllowDragToOverview = allowDragToOverview;
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}
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@Override
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protected boolean canInterceptTouch(MotionEvent ev) {
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if (mCurrentAnimation != null) {
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if (mFinishFastOnSecondTouch) {
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// TODO: Animate to finish instead.
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mCurrentAnimation.skipToEnd();
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}
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AllAppsTransitionController allAppsController = mLauncher.getAllAppsController();
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if (ev.getY() >= allAppsController.getShiftRange() * allAppsController.getProgress()) {
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// If we are already animating from a previous state, we can intercept as long as
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// the touch is below the current all apps progress (to allow for double swipe).
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return true;
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}
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// Otherwise, make sure everything is settled and don't intercept so they can scroll
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// recents, dismiss a task, etc.
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if (mAtomicAnim != null) {
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mAtomicAnim.end();
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}
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return false;
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}
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if (mLauncher.isInState(ALL_APPS)) {
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// In all-apps only listen if the container cannot scroll itself
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if (!mLauncher.getAppsView().shouldContainerScroll(ev)) {
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return false;
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}
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} else if (mLauncher.isInState(OVERVIEW)) {
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if (!mOverviewPortraitStateTouchHelper.canInterceptTouch(ev)) {
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return false;
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}
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} else {
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// For all other states, only listen if the event originated below the hotseat height
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if (!isTouchOverHotseat(mLauncher, ev)) {
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return false;
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}
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}
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if (AbstractFloatingView.getTopOpenViewWithType(mLauncher, TYPE_ACCESSIBLE) != null) {
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return false;
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}
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return true;
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}
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@Override
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protected LauncherState getTargetState(LauncherState fromState, boolean isDragTowardPositive) {
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if (fromState == ALL_APPS && !isDragTowardPositive) {
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// Should swipe down go to OVERVIEW instead?
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return TouchInteractionService.isConnected() ?
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mLauncher.getStateManager().getLastState() : NORMAL;
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} else if (fromState == OVERVIEW) {
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return isDragTowardPositive ? ALL_APPS : NORMAL;
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} else if (fromState == NORMAL && isDragTowardPositive) {
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return mAllowDragToOverview && TouchInteractionService.isConnected()
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? OVERVIEW : ALL_APPS;
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}
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return fromState;
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}
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@Override
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protected int getLogContainerTypeForNormalState() {
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return ContainerType.HOTSEAT;
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}
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private AnimatorSetBuilder getNormalToOverviewAnimation() {
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mAllAppsInterpolatorWrapper.baseInterpolator = LINEAR;
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AnimatorSetBuilder builder = new AnimatorSetBuilder();
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builder.setInterpolator(ANIM_VERTICAL_PROGRESS, mAllAppsInterpolatorWrapper);
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return builder;
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}
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public static AnimatorSetBuilder getOverviewToAllAppsAnimation() {
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AnimatorSetBuilder builder = new AnimatorSetBuilder();
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builder.setInterpolator(ANIM_ALL_APPS_FADE, Interpolators.clampToProgress(ACCEL,
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0, ALL_APPS_CONTENT_FADE_THRESHOLD));
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builder.setInterpolator(ANIM_OVERVIEW_FADE, Interpolators.clampToProgress(DEACCEL,
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RECENTS_FADE_THRESHOLD, 1));
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return builder;
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}
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private AnimatorSetBuilder getAllAppsToOverviewAnimation() {
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AnimatorSetBuilder builder = new AnimatorSetBuilder();
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builder.setInterpolator(ANIM_ALL_APPS_FADE, Interpolators.clampToProgress(DEACCEL,
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1 - ALL_APPS_CONTENT_FADE_THRESHOLD, 1));
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builder.setInterpolator(ANIM_OVERVIEW_FADE, Interpolators.clampToProgress(ACCEL,
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0f, 1 - RECENTS_FADE_THRESHOLD));
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return builder;
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}
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@Override
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protected AnimatorSetBuilder getAnimatorSetBuilderForStates(LauncherState fromState,
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LauncherState toState) {
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AnimatorSetBuilder builder = new AnimatorSetBuilder();
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if (fromState == NORMAL && toState == OVERVIEW) {
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builder = getNormalToOverviewAnimation();
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} else if (fromState == OVERVIEW && toState == ALL_APPS) {
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builder = getOverviewToAllAppsAnimation();
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} else if (fromState == ALL_APPS && toState == OVERVIEW) {
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builder = getAllAppsToOverviewAnimation();
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}
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return builder;
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}
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@Override
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protected float initCurrentAnimation(@AnimationComponents int animComponents) {
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float range = getShiftRange();
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long maxAccuracy = (long) (2 * range);
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float startVerticalShift = mFromState.getVerticalProgress(mLauncher) * range;
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float endVerticalShift = mToState.getVerticalProgress(mLauncher) * range;
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float totalShift = endVerticalShift - startVerticalShift;
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final AnimatorSetBuilder builder = totalShift == 0 ? new AnimatorSetBuilder()
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: getAnimatorSetBuilderForStates(mFromState, mToState);
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updateAnimatorBuilderOnReinit(builder);
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cancelPendingAnim();
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if (mFromState == OVERVIEW && mToState == NORMAL
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&& mOverviewPortraitStateTouchHelper.shouldSwipeDownReturnToApp()) {
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// Reset the state manager, when changing the interaction mode
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mLauncher.getStateManager().goToState(OVERVIEW, false /* animate */);
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mPendingAnimation = mOverviewPortraitStateTouchHelper
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.createSwipeDownToTaskAppAnimation(maxAccuracy);
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mPendingAnimation.anim.setInterpolator(Interpolators.LINEAR);
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Runnable onCancelRunnable = () -> {
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cancelPendingAnim();
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clearState();
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};
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mCurrentAnimation = AnimatorPlaybackController.wrap(mPendingAnimation.anim, maxAccuracy,
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onCancelRunnable);
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mLauncher.getStateManager().setCurrentUserControlledAnimation(mCurrentAnimation);
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totalShift = LayoutUtils.getShelfTrackingDistance(mLauncher,
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mLauncher.getDeviceProfile());
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} else {
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mCurrentAnimation = mLauncher.getStateManager()
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.createAnimationToNewWorkspace(mToState, builder, maxAccuracy, this::clearState,
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animComponents);
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}
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if (totalShift == 0) {
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totalShift = Math.signum(mFromState.ordinal - mToState.ordinal)
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* OverviewState.getDefaultSwipeHeight(mLauncher);
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}
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return 1 / totalShift;
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}
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/**
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* Give subclasses the chance to update the animation when we re-initialize towards a new state.
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*/
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protected void updateAnimatorBuilderOnReinit(AnimatorSetBuilder builder) {
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}
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private void cancelPendingAnim() {
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if (mPendingAnimation != null) {
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mPendingAnimation.finish(false, Touch.SWIPE);
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mPendingAnimation = null;
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}
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}
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@Override
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protected void updateSwipeCompleteAnimation(ValueAnimator animator, long expectedDuration,
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LauncherState targetState, float velocity, boolean isFling) {
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super.updateSwipeCompleteAnimation(animator, expectedDuration, targetState,
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velocity, isFling);
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handleFirstSwipeToOverview(animator, expectedDuration, targetState, velocity, isFling);
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}
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private void handleFirstSwipeToOverview(final ValueAnimator animator,
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final long expectedDuration, final LauncherState targetState, final float velocity,
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final boolean isFling) {
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if (QUICKSTEP_SPRINGS.get() && mFromState == OVERVIEW && mToState == ALL_APPS
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&& targetState == OVERVIEW) {
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mFinishFastOnSecondTouch = true;
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} else if (mFromState == NORMAL && mToState == OVERVIEW && targetState == OVERVIEW) {
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mFinishFastOnSecondTouch = true;
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if (isFling && expectedDuration != 0) {
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// Update all apps interpolator to add a bit of overshoot starting from currFraction
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final float currFraction = mCurrentAnimation.getProgressFraction();
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mAllAppsInterpolatorWrapper.baseInterpolator = Interpolators.clampToProgress(
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Interpolators.overshootInterpolatorForVelocity(velocity), currFraction, 1);
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animator.setDuration(Math.min(expectedDuration, ATOMIC_DURATION))
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.setInterpolator(LINEAR);
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}
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} else {
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mFinishFastOnSecondTouch = false;
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}
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}
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@Override
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protected void onSwipeInteractionCompleted(LauncherState targetState, int logAction) {
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super.onSwipeInteractionCompleted(targetState, logAction);
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if (mStartState == NORMAL && targetState == OVERVIEW) {
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RecentsModel.INSTANCE.get(mLauncher).onOverviewShown(true, TAG);
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}
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}
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/**
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* Whether the motion event is over the hotseat.
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*
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* @param launcher the launcher activity
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* @param ev the event to check
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* @return true if the event is over the hotseat
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*/
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static boolean isTouchOverHotseat(Launcher launcher, MotionEvent ev) {
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DeviceProfile dp = launcher.getDeviceProfile();
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int hotseatHeight = dp.hotseatBarSizePx + dp.getInsets().bottom;
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return (ev.getY() >= (launcher.getDragLayer().getHeight() - hotseatHeight));
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}
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private static class InterpolatorWrapper implements Interpolator {
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public TimeInterpolator baseInterpolator = LINEAR;
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@Override
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public float getInterpolation(float v) {
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return baseInterpolator.getInterpolation(v);
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}
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}
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}
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