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/*
* 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_TOUCH_CONTROLLER_NO_INTERCEPT;
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 android.view.MotionEvent;
import com.android.app.animation.Interpolators;
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.config.FeatureFlags;
import com.android.launcher3.states.StateAnimationConfig;
import com.android.launcher3.touch.AbstractStateChangeTouchController;
import com.android.launcher3.touch.AllAppsSwipeController;
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";
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_TOUCH_CONTROLLER_NO_INTERCEPT) != null) {
return false;
}
return true;
}
@Override
protected LauncherState getTargetState(LauncherState fromState, boolean isDragTowardPositive) {
if (fromState == ALL_APPS && !isDragTowardPositive) {
return FeatureFlags.ENABLE_ALL_APPS_FROM_OVERVIEW.get()
? mLauncher.getStateManager().getLastState()
: NORMAL;
} else if (fromState == NORMAL && shouldOpenAllApps(isDragTowardPositive)) {
return ALL_APPS;
}
return fromState;
}
@Override
protected StateAnimationConfig getConfigForStates(
LauncherState fromState, LauncherState toState) {
final StateAnimationConfig config = new StateAnimationConfig();
config.userControlled = true;
if (fromState == NORMAL && toState == ALL_APPS) {
AllAppsSwipeController.applyNormalToAllAppsAnimConfig(mLauncher, config);
} else if (fromState == ALL_APPS && toState == NORMAL) {
AllAppsSwipeController.applyAllAppsToNormalConfig(mLauncher, config);
}
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) {
DeviceProfile dp = launcher.getDeviceProfile();
int hotseatHeight = dp.hotseatBarSizePx + dp.getInsets().bottom;
return (ev.getY() >= (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);
InteractionJankMonitorWrapper.begin(
mLauncher.getRootView(),
InteractionJankMonitorWrapper.CUJ_CLOSE_ALL_APPS_SWIPE);
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
InteractionJankMonitorWrapper.cancel(
InteractionJankMonitorWrapper.CUJ_OPEN_ALL_APPS);
InteractionJankMonitorWrapper.cancel(
InteractionJankMonitorWrapper.CUJ_CLOSE_ALL_APPS_SWIPE);
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);
}
if (newToState != NORMAL) {
InteractionJankMonitorWrapper.cancel(
InteractionJankMonitorWrapper.CUJ_CLOSE_ALL_APPS_SWIPE);
}
}
@Override
protected void onReachedFinalState(LauncherState toState) {
super.onReachedFinalState(toState);
if (toState == ALL_APPS) {
InteractionJankMonitorWrapper.end(InteractionJankMonitorWrapper.CUJ_OPEN_ALL_APPS);
} else if (toState == NORMAL) {
InteractionJankMonitorWrapper.end(
InteractionJankMonitorWrapper.CUJ_CLOSE_ALL_APPS_SWIPE);
}
}
@Override
protected void clearState() {
super.clearState();
InteractionJankMonitorWrapper.cancel(InteractionJankMonitorWrapper.CUJ_OPEN_ALL_APPS);
InteractionJankMonitorWrapper.cancel(
InteractionJankMonitorWrapper.CUJ_CLOSE_ALL_APPS_SWIPE);
}
}
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