1 /* 2 * Copyright (C) 2018 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 17 package com.android.launcher3; 18 19 20 import android.app.ActivityOptions; 21 import android.content.Context; 22 import android.graphics.Rect; 23 import android.graphics.drawable.Drawable; 24 import android.view.View; 25 26 /** 27 * Manages the opening and closing app transitions from Launcher. 28 */ 29 public class LauncherAppTransitionManager { 30 newInstance(Context context)31 public static LauncherAppTransitionManager newInstance(Context context) { 32 return Utilities.getOverrideObject(LauncherAppTransitionManager.class, 33 context, R.string.app_transition_manager_class); 34 } 35 getActivityLaunchOptions(Launcher launcher, View v)36 public ActivityOptions getActivityLaunchOptions(Launcher launcher, View v) { 37 if (Utilities.ATLEAST_MARSHMALLOW) { 38 int left = 0, top = 0; 39 int width = v.getMeasuredWidth(), height = v.getMeasuredHeight(); 40 if (v instanceof BubbleTextView) { 41 // Launch from center of icon, not entire view 42 Drawable icon = ((BubbleTextView) v).getIcon(); 43 if (icon != null) { 44 Rect bounds = icon.getBounds(); 45 left = (width - bounds.width()) / 2; 46 top = v.getPaddingTop(); 47 width = bounds.width(); 48 height = bounds.height(); 49 } 50 } 51 return ActivityOptions.makeClipRevealAnimation(v, left, top, width, height); 52 } else if (Utilities.ATLEAST_LOLLIPOP_MR1) { 53 // On L devices, we use the device default slide-up transition. 54 // On L MR1 devices, we use a custom version of the slide-up transition which 55 // doesn't have the delay present in the device default. 56 return ActivityOptions.makeCustomAnimation(launcher, R.anim.task_open_enter, 57 R.anim.no_anim); 58 } 59 return null; 60 } 61 } 62