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/*
* Copyright (C) 2017 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.systemui.statusbar.notification;
import android.util.FloatProperty;
import android.util.Property;
import android.view.View;
import com.android.systemui.R;
import java.util.function.BiConsumer;
import java.util.function.Function;
/**
* An animatable property of a view. Used with {@link PropertyAnimator}
*/
public abstract class AnimatableProperty {
public static final AnimatableProperty X = AnimatableProperty.from(View.X,
R.id.x_animator_tag, R.id.x_animator_tag_start_value, R.id.x_animator_tag_end_value);
public static final AnimatableProperty Y = AnimatableProperty.from(View.Y,
R.id.y_animator_tag, R.id.y_animator_tag_start_value, R.id.y_animator_tag_end_value);
public static final AnimatableProperty TRANSLATION_X = AnimatableProperty.from(
View.TRANSLATION_X, R.id.x_animator_tag, R.id.x_animator_tag_start_value,
R.id.x_animator_tag_end_value);
public static final AnimatableProperty SCALE_X = AnimatableProperty.from(
View.SCALE_X, R.id.scale_x_animator_tag, R.id.scale_x_animator_start_value_tag,
R.id.scale_x_animator_end_value_tag);
public static final AnimatableProperty SCALE_Y = AnimatableProperty.from(
View.SCALE_Y, R.id.scale_y_animator_tag, R.id.scale_y_animator_start_value_tag,
R.id.scale_y_animator_end_value_tag);
/**
* Similar to X, however this doesn't allow for any other modifications other than from this
* property. When using X, it's possible that the view is laid out during the animation,
* which could break the continuity
*/
public static final AnimatableProperty ABSOLUTE_X = AnimatableProperty.from(
new FloatProperty<View>("ViewAbsoluteX") {
@Override
public void setValue(View view, float value) {
view.setTag(R.id.absolute_x_current_value, value);
View.X.set(view, value);
}
@Override
public Float get(View view) {
Object tag = view.getTag(R.id.absolute_x_current_value);
if (tag instanceof Float) {
return (Float) tag;
}
return View.X.get(view);
}
},
R.id.absolute_x_animator_tag,
R.id.absolute_x_animator_start_tag,
R.id.absolute_x_animator_end_tag);
/**
* Similar to Y, however this doesn't allow for any other modifications other than from this
* property. When using X, it's possible that the view is laid out during the animation,
* which could break the continuity
*/
public static final AnimatableProperty ABSOLUTE_Y = AnimatableProperty.from(
new FloatProperty<View>("ViewAbsoluteY") {
@Override
public void setValue(View view, float value) {
view.setTag(R.id.absolute_y_current_value, value);
View.Y.set(view, value);
}
@Override
public Float get(View view) {
Object tag = view.getTag(R.id.absolute_y_current_value);
if (tag instanceof Float) {
return (Float) tag;
}
return View.Y.get(view);
}
},
R.id.absolute_y_animator_tag,
R.id.absolute_y_animator_start_tag,
R.id.absolute_y_animator_end_tag);
public static final AnimatableProperty WIDTH = AnimatableProperty.from(
new FloatProperty<View>("ViewWidth") {
@Override
public void setValue(View view, float value) {
view.setTag(R.id.view_width_current_value, value);
view.setRight((int) (view.getLeft() + value));
}
@Override
public Float get(View view) {
Object tag = view.getTag(R.id.view_width_current_value);
if (tag instanceof Float) {
return (Float) tag;
}
return (float) view.getWidth();
}
},
R.id.view_width_animator_tag,
R.id.view_width_animator_start_tag,
R.id.view_width_animator_end_tag);
public static final AnimatableProperty HEIGHT = AnimatableProperty.from(
new FloatProperty<View>("ViewHeight") {
@Override
public void setValue(View view, float value) {
view.setTag(R.id.view_height_current_value, value);
view.setBottom((int) (view.getTop() + value));
}
@Override
public Float get(View view) {
Object tag = view.getTag(R.id.view_height_current_value);
if (tag instanceof Float) {
return (Float) tag;
}
return (float) view.getHeight();
}
},
R.id.view_height_animator_tag,
R.id.view_height_animator_start_tag,
R.id.view_height_animator_end_tag);
public abstract int getAnimationStartTag();
public abstract int getAnimationEndTag();
public abstract int getAnimatorTag();
public abstract Property getProperty();
public static <T extends View> AnimatableProperty from(String name, BiConsumer<T, Float> setter,
Function<T, Float> getter, int animatorTag, int startValueTag, int endValueTag) {
Property<T, Float> property = new FloatProperty<T>(name) {
@Override
public Float get(T object) {
return getter.apply(object);
}
@Override
public void setValue(T object, float value) {
setter.accept(object, value);
}
};
return new AnimatableProperty() {
@Override
public int getAnimationStartTag() {
return startValueTag;
}
@Override
public int getAnimationEndTag() {
return endValueTag;
}
@Override
public int getAnimatorTag() {
return animatorTag;
}
@Override
public Property getProperty() {
return property;
}
};
}
public static <T extends View> AnimatableProperty from(Property<T, Float> property,
int animatorTag, int startValueTag, int endValueTag) {
return new AnimatableProperty() {
@Override
public int getAnimationStartTag() {
return startValueTag;
}
@Override
public int getAnimationEndTag() {
return endValueTag;
}
@Override
public int getAnimatorTag() {
return animatorTag;
}
@Override
public Property getProperty() {
return property;
}
};
}
}
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