| /* |
| * 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.content.res; |
| |
| import android.os.IBinder; |
| |
| /** @hide */ |
| public final class ResourcesKey { |
| final String mResDir; |
| final float mScale; |
| private final int mHash; |
| private final IBinder mToken; |
| |
| public final int mDisplayId; |
| public final Configuration mOverrideConfiguration = new Configuration(); |
| |
| public ResourcesKey(String resDir, int displayId, Configuration overrideConfiguration, |
| float scale, IBinder token) { |
| mResDir = resDir; |
| mDisplayId = displayId; |
| if (overrideConfiguration != null) { |
| mOverrideConfiguration.setTo(overrideConfiguration); |
| } |
| mScale = scale; |
| mToken = token; |
| |
| int hash = 17; |
| hash = 31 * hash + (mResDir == null ? 0 : mResDir.hashCode()); |
| hash = 31 * hash + mDisplayId; |
| hash = 31 * hash + (mOverrideConfiguration != null |
| ? mOverrideConfiguration.hashCode() : 0); |
| hash = 31 * hash + Float.floatToIntBits(mScale); |
| mHash = hash; |
| } |
| |
| public boolean hasOverrideConfiguration() { |
| return !Configuration.EMPTY.equals(mOverrideConfiguration); |
| } |
| |
| @Override |
| public int hashCode() { |
| return mHash; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof ResourcesKey)) { |
| return false; |
| } |
| ResourcesKey peer = (ResourcesKey) obj; |
| |
| if ((mResDir == null) && (peer.mResDir != null)) { |
| return false; |
| } |
| if ((mResDir != null) && (peer.mResDir == null)) { |
| return false; |
| } |
| if ((mResDir != null) && (peer.mResDir != null)) { |
| if (!mResDir.equals(peer.mResDir)) { |
| return false; |
| } |
| } |
| if (mDisplayId != peer.mDisplayId) { |
| return false; |
| } |
| if (mOverrideConfiguration != peer.mOverrideConfiguration) { |
| if (mOverrideConfiguration == null || peer.mOverrideConfiguration == null) { |
| return false; |
| } |
| if (!mOverrideConfiguration.equals(peer.mOverrideConfiguration)) { |
| return false; |
| } |
| } |
| if (mScale != peer.mScale) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return Integer.toHexString(mHash); |
| } |
| } |