| /* |
| * Copyright (C) 2021 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.annotation.NonNull; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| import java.util.Arrays; |
| import java.util.StringJoiner; |
| |
| /** |
| * A collection of visibilities of insets. This is used for carrying the requested visibilities. |
| * @hide |
| */ |
| public class InsetsVisibilities implements Parcelable { |
| |
| private static final int UNSPECIFIED = 0; |
| private static final int VISIBLE = 1; |
| private static final int INVISIBLE = -1; |
| |
| private final int[] mVisibilities = new int[InsetsState.SIZE]; |
| |
| public InsetsVisibilities() { |
| } |
| |
| public InsetsVisibilities(InsetsVisibilities other) { |
| set(other); |
| } |
| |
| public InsetsVisibilities(Parcel in) { |
| in.readIntArray(mVisibilities); |
| } |
| |
| /** |
| * Copies from another {@link InsetsVisibilities}. |
| * |
| * @param other an instance of {@link InsetsVisibilities}. |
| */ |
| public void set(InsetsVisibilities other) { |
| System.arraycopy(other.mVisibilities, InsetsState.FIRST_TYPE, mVisibilities, |
| InsetsState.FIRST_TYPE, InsetsState.SIZE); |
| } |
| |
| /** |
| * Sets a visibility to a type. |
| * |
| * @param type The {@link @InsetsState.InternalInsetsType}. |
| * @param visible {@code true} represents visible; {@code false} represents invisible. |
| */ |
| public void setVisibility(@InsetsState.InternalInsetsType int type, boolean visible) { |
| mVisibilities[type] = visible ? VISIBLE : INVISIBLE; |
| } |
| |
| /** |
| * Returns the specified insets visibility of the type. If it has never been specified, |
| * this returns the default visibility. |
| * |
| * @param type The {@link @InsetsState.InternalInsetsType}. |
| * @return The specified visibility or the default one if it is not specified. |
| */ |
| public boolean getVisibility(@InsetsState.InternalInsetsType int type) { |
| final int visibility = mVisibilities[type]; |
| return visibility == UNSPECIFIED |
| ? InsetsState.getDefaultVisibility(type) |
| : visibility == VISIBLE; |
| } |
| |
| @Override |
| public String toString() { |
| StringJoiner joiner = new StringJoiner(", "); |
| for (int type = InsetsState.FIRST_TYPE; type <= InsetsState.LAST_TYPE; type++) { |
| final int visibility = mVisibilities[type]; |
| if (visibility != UNSPECIFIED) { |
| joiner.add(InsetsState.typeToString(type) + ": " |
| + (visibility == VISIBLE ? "visible" : "invisible")); |
| } |
| } |
| return joiner.toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Arrays.hashCode(mVisibilities); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (!(other instanceof InsetsVisibilities)) { |
| return false; |
| } |
| return Arrays.equals(mVisibilities, ((InsetsVisibilities) other).mVisibilities); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeIntArray(mVisibilities); |
| } |
| |
| public void readFromParcel(@NonNull Parcel in) { |
| in.readIntArray(mVisibilities); |
| } |
| |
| public static final @NonNull Creator<InsetsVisibilities> CREATOR = |
| new Creator<InsetsVisibilities>() { |
| |
| public InsetsVisibilities createFromParcel(Parcel in) { |
| return new InsetsVisibilities(in); |
| } |
| |
| public InsetsVisibilities[] newArray(int size) { |
| return new InsetsVisibilities[size]; |
| } |
| }; |
| } |