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/*
* Copyright (C) 2011 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.view;
import android.content.res.CompatibilityInfo;
import android.os.IBinder;
import com.android.internal.util.Objects;
/** @hide */
public class DisplayAdjustments {
public static final boolean DEVELOPMENT_RESOURCES_DEPEND_ON_ACTIVITY_TOKEN = false;
public static final DisplayAdjustments DEFAULT_DISPLAY_ADJUSTMENTS = new DisplayAdjustments();
private volatile CompatibilityInfo mCompatInfo = CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO;
private volatile IBinder mActivityToken;
public DisplayAdjustments() {
}
public DisplayAdjustments(IBinder token) {
mActivityToken = token;
}
public DisplayAdjustments(CompatibilityInfo compatInfo, IBinder token) {
setCompatibilityInfo(compatInfo);
mActivityToken = token;
}
public void setCompatibilityInfo(CompatibilityInfo compatInfo) {
if (this == DEFAULT_DISPLAY_ADJUSTMENTS) {
throw new IllegalArgumentException(
"setCompatbilityInfo: Cannot modify DEFAULT_DISPLAY_ADJUSTMENTS");
}
if (compatInfo != null && (compatInfo.isScalingRequired()
|| !compatInfo.supportsScreen())) {
mCompatInfo = compatInfo;
} else {
mCompatInfo = CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO;
}
}
public CompatibilityInfo getCompatibilityInfo() {
return mCompatInfo;
}
public void setActivityToken(IBinder token) {
if (this == DEFAULT_DISPLAY_ADJUSTMENTS) {
throw new IllegalArgumentException(
"setActivityToken: Cannot modify DEFAULT_DISPLAY_ADJUSTMENTS");
}
mActivityToken = token;
}
public IBinder getActivityToken() {
return mActivityToken;
}
@Override
public int hashCode() {
int hash = 17;
hash = hash * 31 + mCompatInfo.hashCode();
if (DEVELOPMENT_RESOURCES_DEPEND_ON_ACTIVITY_TOKEN) {
hash = hash * 31 + (mActivityToken == null ? 0 : mActivityToken.hashCode());
}
return hash;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof DisplayAdjustments)) {
return false;
}
DisplayAdjustments daj = (DisplayAdjustments)o;
return Objects.equal(daj.mCompatInfo, mCompatInfo) &&
Objects.equal(daj.mActivityToken, mActivityToken);
}
}
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