1c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki/* 2c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * Copyright (C) 2016 The Android Open Source Project 3c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * 4c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * Licensed under the Apache License, Version 2.0 (the "License"); 5c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * you may not use this file except in compliance with the License. 6c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * You may obtain a copy of the License at 7c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * 8c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * http://www.apache.org/licenses/LICENSE-2.0 9c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * 10c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * Unless required by applicable law or agreed to in writing, software 11c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * distributed under the License is distributed on an "AS IS" BASIS, 12c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * See the License for the specific language governing permissions and 14c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * limitations under the License. 15c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki */ 16c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki 17ac5fe7c617c66850fff75a9fce9979c6e5674b0fAurimas Liutikaspackage androidx.transition; 18c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki 19c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Arakiimport android.view.View; 20c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki 21756a17bb7580d5bdbb4826e81b074ca5fedba1f5Yuichi Arakiimport java.util.ArrayList; 22c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Arakiimport java.util.HashMap; 23c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Arakiimport java.util.Map; 24c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki 25c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki/** 26c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * Data structure which holds cached values for the transition. 27c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * The view field is the target which all of the values pertain to. 28c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * The values field is a map which holds information for fields 29c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * according to names selected by the transitions. These names should 30c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * be unique to avoid clobbering values stored by other transitions, 31c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * such as the convention project:transition_name:property_name. For 32c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * example, the platform might store a property "alpha" in a transition 33c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * "Fader" as "android:fader:alpha". 34c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * 35c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * <p>These values are cached during the 36ac5fe7c617c66850fff75a9fce9979c6e5674b0fAurimas Liutikas * {@link androidx.transition.Transition#captureStartValues(TransitionValues)} 37c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * capture} phases of a scene change, once when the start values are captured 38c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * and again when the end values are captured. These start/end values are then 39c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * passed into the transitions via the 40ac5fe7c617c66850fff75a9fce9979c6e5674b0fAurimas Liutikas * for {@link androidx.transition.Transition#createAnimator(android.view.ViewGroup, 41c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * TransitionValues, TransitionValues)} method.</p> 42c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki */ 43c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Arakipublic class TransitionValues { 44c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki 45c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki /** 46c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * The set of values tracked by transitions for this scene 47c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki */ 48c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki public final Map<String, Object> values = new HashMap<>(); 49c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki 50c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki /** 51c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki * The View with these values 52c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki */ 53c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki public View view; 54c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki 55756a17bb7580d5bdbb4826e81b074ca5fedba1f5Yuichi Araki /** 56756a17bb7580d5bdbb4826e81b074ca5fedba1f5Yuichi Araki * The Transitions that targeted this view. 57756a17bb7580d5bdbb4826e81b074ca5fedba1f5Yuichi Araki */ 58756a17bb7580d5bdbb4826e81b074ca5fedba1f5Yuichi Araki final ArrayList<Transition> mTargetedTransitions = new ArrayList<>(); 59756a17bb7580d5bdbb4826e81b074ca5fedba1f5Yuichi Araki 60c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki @Override 61c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki public boolean equals(Object other) { 62c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki if (other instanceof TransitionValues) { 63c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki if (view == ((TransitionValues) other).view) { 64c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki if (values.equals(((TransitionValues) other).values)) { 65c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki return true; 66c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki } 67c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki } 68c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki } 69c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki return false; 70c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki } 71c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki 72c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki @Override 73c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki public int hashCode() { 74c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki return 31 * view.hashCode() + values.hashCode(); 75c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki } 76c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki 77c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki @Override 78c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki public String toString() { 79c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki String returnValue = "TransitionValues@" + Integer.toHexString(hashCode()) + ":\n"; 80c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki returnValue += " view = " + view + "\n"; 81c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki returnValue += " values:"; 82c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki for (String s : values.keySet()) { 83c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki returnValue += " " + s + ": " + values.get(s) + "\n"; 84c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki } 85c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki return returnValue; 86c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki } 87c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki 88c876cd8f9334e2423de00836009f3fd7a9566938Yuichi Araki} 89