/* * Copyright (C) 2015 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.touch; import static com.android.app.animation.Interpolators.DECELERATED_EASE; import static com.android.app.animation.Interpolators.EMPHASIZED; import static com.android.app.animation.Interpolators.EMPHASIZED_ACCELERATE; import static com.android.app.animation.Interpolators.EMPHASIZED_DECELERATE; import static com.android.app.animation.Interpolators.FINAL_FRAME; import static com.android.app.animation.Interpolators.INSTANT; import static com.android.app.animation.Interpolators.LINEAR; import static com.android.app.animation.Interpolators.clampToProgress; import static com.android.app.animation.Interpolators.mapToProgress; import static com.android.launcher3.LauncherState.ALL_APPS; import static com.android.launcher3.LauncherState.NORMAL; import static com.android.launcher3.states.StateAnimationConfig.ANIM_ALL_APPS_BOTTOM_SHEET_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_ALL_APPS_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_ALL_APPS_KEYBOARD_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_DEPTH; import static com.android.launcher3.states.StateAnimationConfig.ANIM_HOTSEAT_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_HOTSEAT_SCALE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_HOTSEAT_TRANSLATE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_SCRIM_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_VERTICAL_PROGRESS; import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_SCALE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_TRANSLATE; import static com.android.launcher3.states.StateAnimationConfig.SKIP_OVERVIEW; import android.view.MotionEvent; import android.view.animation.Interpolator; import com.android.app.animation.Interpolators; import com.android.launcher3.AbstractFloatingView; import com.android.launcher3.DeviceProfile; import com.android.launcher3.Launcher; import com.android.launcher3.LauncherState; import com.android.launcher3.states.StateAnimationConfig; /** * TouchController to switch between NORMAL and ALL_APPS state. */ public class AllAppsSwipeController extends AbstractStateChangeTouchController { private static final float ALL_APPS_CONTENT_FADE_MAX_CLAMPING_THRESHOLD = 0.8f; private static final float ALL_APPS_CONTENT_FADE_MIN_CLAMPING_THRESHOLD = 0.5f; private static final float ALL_APPS_SCRIM_VISIBLE_THRESHOLD = 0.1f; private static final float ALL_APPS_STAGGERED_FADE_THRESHOLD = 0.5f; public static final Interpolator ALL_APPS_SCRIM_RESPONDER = Interpolators.clampToProgress( LINEAR, ALL_APPS_SCRIM_VISIBLE_THRESHOLD, ALL_APPS_STAGGERED_FADE_THRESHOLD); public static final Interpolator ALL_APPS_CLAMPING_RESPONDER = Interpolators.clampToProgress( LINEAR, 1 - ALL_APPS_CONTENT_FADE_MAX_CLAMPING_THRESHOLD, 1 - ALL_APPS_CONTENT_FADE_MIN_CLAMPING_THRESHOLD); // ---- Custom interpolators for NORMAL -> ALL_APPS on phones only. ---- public static final float ALL_APPS_STATE_TRANSITION_ATOMIC = 0.3333f; public static final float ALL_APPS_STATE_TRANSITION_MANUAL = 0.4f; private static final float ALL_APPS_FADE_END_ATOMIC = 0.8333f; private static final float ALL_APPS_FADE_END_MANUAL = 0.8f; private static final float ALL_APPS_FULL_DEPTH_PROGRESS = 0.5f; private static final float SCRIM_FADE_START_ATOMIC = 0.2642f; private static final float SCRIM_FADE_START_MANUAL = 0.117f; private static final float WORKSPACE_MOTION_START_ATOMIC = 0.1667f; private static final Interpolator LINEAR_EARLY_MANUAL = Interpolators.clampToProgress(LINEAR, 0f, ALL_APPS_STATE_TRANSITION_MANUAL); private static final Interpolator STEP_TRANSITION_ATOMIC = Interpolators.clampToProgress(FINAL_FRAME, 0f, ALL_APPS_STATE_TRANSITION_ATOMIC); private static final Interpolator STEP_TRANSITION_MANUAL = Interpolators.clampToProgress(FINAL_FRAME, 0f, ALL_APPS_STATE_TRANSITION_MANUAL); // The blur to All Apps is set to be complete when the interpolator is at 0.5. private static final Interpolator BLUR_ADJUSTED = Interpolators.mapToProgress(LINEAR, 0f, ALL_APPS_FULL_DEPTH_PROGRESS); public static final Interpolator BLUR_ATOMIC = Interpolators.clampToProgress( BLUR_ADJUSTED, WORKSPACE_MOTION_START_ATOMIC, ALL_APPS_STATE_TRANSITION_ATOMIC); public static final Interpolator BLUR_MANUAL = Interpolators.clampToProgress(BLUR_ADJUSTED, 0f, ALL_APPS_STATE_TRANSITION_MANUAL); public static final Interpolator WORKSPACE_FADE_ATOMIC = STEP_TRANSITION_ATOMIC; public static final Interpolator WORKSPACE_FADE_MANUAL = STEP_TRANSITION_MANUAL; public static final Interpolator WORKSPACE_SCALE_ATOMIC = Interpolators.clampToProgress( EMPHASIZED_ACCELERATE, WORKSPACE_MOTION_START_ATOMIC, ALL_APPS_STATE_TRANSITION_ATOMIC); public static final Interpolator WORKSPACE_SCALE_MANUAL = LINEAR_EARLY_MANUAL; public static final Interpolator HOTSEAT_FADE_ATOMIC = STEP_TRANSITION_ATOMIC; public static final Interpolator HOTSEAT_FADE_MANUAL = STEP_TRANSITION_MANUAL; public static final Interpolator HOTSEAT_SCALE_ATOMIC = Interpolators.clampToProgress( EMPHASIZED_ACCELERATE, WORKSPACE_MOTION_START_ATOMIC, ALL_APPS_STATE_TRANSITION_ATOMIC); public static final Interpolator HOTSEAT_SCALE_MANUAL = LINEAR_EARLY_MANUAL; public static final Interpolator HOTSEAT_TRANSLATE_ATOMIC = STEP_TRANSITION_ATOMIC; public static final Interpolator HOTSEAT_TRANSLATE_MANUAL = STEP_TRANSITION_MANUAL; public static final Interpolator SCRIM_FADE_ATOMIC = Interpolators.clampToProgress( Interpolators.mapToProgress(LINEAR, 0f, 0.8f), SCRIM_FADE_START_ATOMIC, ALL_APPS_STATE_TRANSITION_ATOMIC); public static final Interpolator SCRIM_FADE_MANUAL = Interpolators.clampToProgress( LINEAR, SCRIM_FADE_START_MANUAL, ALL_APPS_STATE_TRANSITION_MANUAL); public static final Interpolator ALL_APPS_FADE_ATOMIC = Interpolators.clampToProgress( Interpolators.mapToProgress(EMPHASIZED_DECELERATE, 0.2f, 1f), ALL_APPS_STATE_TRANSITION_ATOMIC, ALL_APPS_FADE_END_ATOMIC); public static final Interpolator ALL_APPS_FADE_MANUAL = Interpolators.clampToProgress( LINEAR, ALL_APPS_STATE_TRANSITION_MANUAL, ALL_APPS_FADE_END_MANUAL); public static final Interpolator ALL_APPS_VERTICAL_PROGRESS_ATOMIC = Interpolators.clampToProgress( Interpolators.mapToProgress(EMPHASIZED_DECELERATE, 0.4f, 1f), ALL_APPS_STATE_TRANSITION_ATOMIC, 1f); public static final Interpolator ALL_APPS_VERTICAL_PROGRESS_MANUAL = LINEAR; // -------- public AllAppsSwipeController(Launcher l) { super(l, SingleAxisSwipeDetector.VERTICAL); } @Override protected boolean canInterceptTouch(MotionEvent ev) { if (mCurrentAnimation != null) { // If we are already animating from a previous state, we can intercept. return true; } if (AbstractFloatingView.getTopOpenView(mLauncher) != null) { return false; } 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 LauncherState getTargetState(LauncherState fromState, boolean isDragTowardPositive) { if (fromState == NORMAL && shouldOpenAllApps(isDragTowardPositive)) { return ALL_APPS; } else if (fromState == ALL_APPS && !isDragTowardPositive) { return NORMAL; } return fromState; } @Override protected float initCurrentAnimation() { float range = getShiftRange(); StateAnimationConfig config = getConfigForStates(mFromState, mToState); config.duration = (long) (2 * range); mCurrentAnimation = mLauncher.getStateManager() .createAnimationToNewWorkspace(mToState, config); float startVerticalShift = mFromState.getVerticalProgress(mLauncher) * range; float endVerticalShift = mToState.getVerticalProgress(mLauncher) * range; float totalShift = endVerticalShift - startVerticalShift; return 1 / totalShift; } @Override protected StateAnimationConfig getConfigForStates(LauncherState fromState, LauncherState toState) { StateAnimationConfig config = super.getConfigForStates(fromState, toState); config.animProps |= StateAnimationConfig.USER_CONTROLLED; if (fromState == NORMAL && toState == ALL_APPS) { applyNormalToAllAppsAnimConfig(mLauncher, config); } else if (fromState == ALL_APPS && toState == NORMAL) { applyAllAppsToNormalConfig(mLauncher, config); } return config; } /** * Applies Animation config values for transition from all apps to home. */ public static void applyAllAppsToNormalConfig(Launcher launcher, StateAnimationConfig config) { if (launcher.getDeviceProfile().isTablet) { config.setInterpolator(ANIM_SCRIM_FADE, Interpolators.reverse(ALL_APPS_SCRIM_RESPONDER)); config.setInterpolator(ANIM_ALL_APPS_FADE, FINAL_FRAME); if (!config.isUserControlled()) { config.setInterpolator(ANIM_VERTICAL_PROGRESS, EMPHASIZED); } config.setInterpolator(ANIM_WORKSPACE_SCALE, DECELERATED_EASE); config.setInterpolator(ANIM_DEPTH, DECELERATED_EASE); } else { if (config.isUserControlled()) { config.setInterpolator(ANIM_DEPTH, Interpolators.reverse(BLUR_MANUAL)); config.setInterpolator(ANIM_WORKSPACE_FADE, Interpolators.reverse(WORKSPACE_FADE_MANUAL)); config.setInterpolator(ANIM_WORKSPACE_SCALE, Interpolators.reverse(WORKSPACE_SCALE_MANUAL)); config.setInterpolator(ANIM_HOTSEAT_FADE, Interpolators.reverse(HOTSEAT_FADE_MANUAL)); config.setInterpolator(ANIM_HOTSEAT_SCALE, Interpolators.reverse(HOTSEAT_SCALE_MANUAL)); config.setInterpolator(ANIM_HOTSEAT_TRANSLATE, Interpolators.reverse(HOTSEAT_TRANSLATE_MANUAL)); config.setInterpolator(ANIM_SCRIM_FADE, Interpolators.reverse(SCRIM_FADE_MANUAL)); config.setInterpolator(ANIM_ALL_APPS_FADE, Interpolators.reverse(ALL_APPS_FADE_MANUAL)); config.setInterpolator(ANIM_VERTICAL_PROGRESS, Interpolators.reverse(ALL_APPS_VERTICAL_PROGRESS_MANUAL)); } else { config.setInterpolator(ANIM_SCRIM_FADE, Interpolators.reverse(ALL_APPS_SCRIM_RESPONDER)); config.setInterpolator(ANIM_ALL_APPS_FADE, ALL_APPS_CLAMPING_RESPONDER); config.setInterpolator(ANIM_WORKSPACE_FADE, INSTANT); config.setInterpolator(ANIM_VERTICAL_PROGRESS, EMPHASIZED_ACCELERATE); } } } /** * Applies Animation config values for transition from home to all apps. */ public static void applyNormalToAllAppsAnimConfig( Launcher launcher, StateAnimationConfig config) { if (launcher.getDeviceProfile().isTablet) { config.setInterpolator(ANIM_ALL_APPS_FADE, INSTANT); config.setInterpolator(ANIM_SCRIM_FADE, ALL_APPS_SCRIM_RESPONDER); if (!config.isUserControlled()) { config.setInterpolator(ANIM_VERTICAL_PROGRESS, EMPHASIZED); } config.setInterpolator(ANIM_WORKSPACE_SCALE, DECELERATED_EASE); config.setInterpolator(ANIM_DEPTH, DECELERATED_EASE); } else { config.setInterpolator(ANIM_DEPTH, config.isUserControlled() ? BLUR_MANUAL : BLUR_ATOMIC); config.setInterpolator(ANIM_WORKSPACE_FADE, config.isUserControlled() ? WORKSPACE_FADE_MANUAL : WORKSPACE_FADE_ATOMIC); config.setInterpolator(ANIM_WORKSPACE_SCALE, config.isUserControlled() ? WORKSPACE_SCALE_MANUAL : WORKSPACE_SCALE_ATOMIC); config.setInterpolator(ANIM_HOTSEAT_FADE, config.isUserControlled() ? HOTSEAT_FADE_MANUAL : HOTSEAT_FADE_ATOMIC); config.setInterpolator(ANIM_HOTSEAT_SCALE, config.isUserControlled() ? HOTSEAT_SCALE_MANUAL : HOTSEAT_SCALE_ATOMIC); config.setInterpolator(ANIM_HOTSEAT_TRANSLATE, config.isUserControlled() ? HOTSEAT_TRANSLATE_MANUAL : HOTSEAT_TRANSLATE_ATOMIC); config.setInterpolator(ANIM_SCRIM_FADE, config.isUserControlled() ? SCRIM_FADE_MANUAL : SCRIM_FADE_ATOMIC); config.setInterpolator(ANIM_ALL_APPS_FADE, config.isUserControlled() ? ALL_APPS_FADE_MANUAL : ALL_APPS_FADE_ATOMIC); config.setInterpolator(ANIM_VERTICAL_PROGRESS, config.isUserControlled() ? ALL_APPS_VERTICAL_PROGRESS_MANUAL : ALL_APPS_VERTICAL_PROGRESS_ATOMIC); } } /** * Applies Animation config values for transition from overview to all apps. * * @param threshold progress at which all apps will open upon release */ public static void applyOverviewToAllAppsAnimConfig( DeviceProfile deviceProfile, StateAnimationConfig config, float threshold) { config.animProps |= StateAnimationConfig.USER_CONTROLLED; config.animFlags = SKIP_OVERVIEW; if (deviceProfile.isTablet) { config.setInterpolator(ANIM_ALL_APPS_FADE, INSTANT); config.setInterpolator(ANIM_SCRIM_FADE, ALL_APPS_SCRIM_RESPONDER); // The fact that we end on Workspace is not very ideal, but since we do, fade it in at // the end of the transition. Don't scale/translate it. config.setInterpolator(ANIM_WORKSPACE_FADE, clampToProgress(LINEAR, 0.8f, 1)); config.setInterpolator(ANIM_WORKSPACE_SCALE, INSTANT); config.setInterpolator(ANIM_WORKSPACE_TRANSLATE, INSTANT); } else { // Pop the background panel, keyboard, and content in at full opacity at the threshold. config.setInterpolator(ANIM_ALL_APPS_BOTTOM_SHEET_FADE, thresholdInterpolator(threshold, INSTANT)); config.setInterpolator(ANIM_ALL_APPS_KEYBOARD_FADE, thresholdInterpolator(threshold, INSTANT)); config.setInterpolator(ANIM_ALL_APPS_FADE, thresholdInterpolator(threshold, INSTANT)); config.setInterpolator(ANIM_VERTICAL_PROGRESS, thresholdInterpolator(threshold, mapToProgress(LINEAR, threshold, 1f))); } } /** Creates an interpolator that is 0 until the threshold, then follows given interpolator. */ private static Interpolator thresholdInterpolator(float threshold, Interpolator interpolator) { return progress -> progress <= threshold ? 0 : interpolator.getInterpolation(progress); } }