| /* |
| * Copyright (C) 2016 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.support.v4.media; |
| |
| import static android.support.annotation.RestrictTo.Scope.LIBRARY_GROUP; |
| |
| import android.os.Bundle; |
| import android.support.annotation.RestrictTo; |
| |
| /** |
| * @hide |
| */ |
| @RestrictTo(LIBRARY_GROUP) |
| public class MediaBrowserCompatUtils { |
| public static boolean areSameOptions(Bundle options1, Bundle options2) { |
| if (options1 == options2) { |
| return true; |
| } else if (options1 == null) { |
| return options2.getInt(MediaBrowserCompat.EXTRA_PAGE, -1) == -1 |
| && options2.getInt(MediaBrowserCompat.EXTRA_PAGE_SIZE, -1) == -1; |
| } else if (options2 == null) { |
| return options1.getInt(MediaBrowserCompat.EXTRA_PAGE, -1) == -1 |
| && options1.getInt(MediaBrowserCompat.EXTRA_PAGE_SIZE, -1) == -1; |
| } else { |
| return options1.getInt(MediaBrowserCompat.EXTRA_PAGE, -1) |
| == options2.getInt(MediaBrowserCompat.EXTRA_PAGE, -1) |
| && options1.getInt(MediaBrowserCompat.EXTRA_PAGE_SIZE, -1) |
| == options2.getInt(MediaBrowserCompat.EXTRA_PAGE_SIZE, -1); |
| } |
| } |
| |
| public static boolean hasDuplicatedItems(Bundle options1, Bundle options2) { |
| int page1 = options1 == null ? -1 : options1.getInt(MediaBrowserCompat.EXTRA_PAGE, -1); |
| int page2 = options2 == null ? -1 :options2.getInt(MediaBrowserCompat.EXTRA_PAGE, -1); |
| int pageSize1 = options1 == null |
| ? -1 :options1.getInt(MediaBrowserCompat.EXTRA_PAGE_SIZE, -1); |
| int pageSize2 = options2 == null |
| ? -1 :options2.getInt(MediaBrowserCompat.EXTRA_PAGE_SIZE, -1); |
| |
| int startIndex1, startIndex2, endIndex1, endIndex2; |
| if (page1 == -1 || pageSize1 == -1) { |
| startIndex1 = 0; |
| endIndex1 = Integer.MAX_VALUE; |
| } else { |
| startIndex1 = pageSize1 * page1; |
| endIndex1 = startIndex1 + pageSize1 - 1; |
| } |
| |
| if (page2 == -1 || pageSize2 == -1) { |
| startIndex2 = 0; |
| endIndex2 = Integer.MAX_VALUE; |
| } else { |
| startIndex2 = pageSize2 * page2; |
| endIndex2 = startIndex2 + pageSize2 - 1; |
| } |
| |
| if (startIndex1 <= startIndex2 && startIndex2 <= endIndex1) { |
| return true; |
| } else if (startIndex1 <= endIndex2 && endIndex2 <= endIndex1) { |
| return true; |
| } |
| return false; |
| } |
| } |