103 lines
3.3 KiB
Java
103 lines
3.3 KiB
Java
/*
|
|
* Copyright (C) 2013 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 android.transition;
|
|
|
|
import android.annotation.NonNull;
|
|
import android.annotation.Nullable;
|
|
import android.util.ArrayMap;
|
|
import android.view.View;
|
|
import android.view.ViewGroup;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.Map;
|
|
|
|
/**
|
|
* Data structure which holds cached values for the transition.
|
|
* The view field is the target which all of the values pertain to.
|
|
* The values field is a map which holds information for fields
|
|
* according to names selected by the transitions. These names should
|
|
* be unique to avoid clobbering values stored by other transitions,
|
|
* such as the convention project:transition_name:property_name. For
|
|
* example, the platform might store a property "alpha" in a transition
|
|
* "Fader" as "android:fader:alpha".
|
|
*
|
|
* <p>These values are cached during the
|
|
* {@link Transition#captureStartValues(TransitionValues)}
|
|
* capture} phases of a scene change, once when the start values are captured
|
|
* and again when the end values are captured. These start/end values are then
|
|
* passed into the transitions via the
|
|
* for {@link Transition#createAnimator(ViewGroup, TransitionValues, TransitionValues)}
|
|
* method.</p>
|
|
*/
|
|
public class TransitionValues {
|
|
|
|
/** @deprecated Use {@link #TransitionValues(View)} instead */
|
|
@Deprecated
|
|
public TransitionValues() {
|
|
}
|
|
|
|
public TransitionValues(@NonNull View view) {
|
|
this.view = view;
|
|
}
|
|
|
|
/**
|
|
* The View with these values
|
|
*/
|
|
@SuppressWarnings("NullableProblems") // Can't make it final because of deprecated constructor.
|
|
@NonNull
|
|
public View view;
|
|
|
|
/**
|
|
* The set of values tracked by transitions for this scene
|
|
*/
|
|
@NonNull
|
|
public final Map<String, Object> values = new ArrayMap<String, Object>();
|
|
|
|
/**
|
|
* The Transitions that targeted this view.
|
|
*/
|
|
@NonNull
|
|
final ArrayList<Transition> targetedTransitions = new ArrayList<Transition>();
|
|
|
|
@Override
|
|
public boolean equals(@Nullable Object other) {
|
|
if (other instanceof TransitionValues) {
|
|
if (view == ((TransitionValues) other).view) {
|
|
if (values.equals(((TransitionValues) other).values)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public int hashCode() {
|
|
return 31*view.hashCode() + values.hashCode();
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
String returnValue = "TransitionValues@" + Integer.toHexString(hashCode()) + ":\n";
|
|
returnValue += " view = " + view + "\n";
|
|
returnValue += " values:";
|
|
for (String s : values.keySet()) {
|
|
returnValue += " " + s + ": " + values.get(s) + "\n";
|
|
}
|
|
return returnValue;
|
|
}
|
|
} |