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author | Sunny Goyal <sunnygoyal@google.com> | 2018-10-04 15:11:00 -0700 |
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committer | Sunny Goyal <sunnygoyal@google.com> | 2018-10-08 14:52:39 -0700 |
commit | efb7e84242e174f7bb1a994889742820d229935d (patch) | |
tree | cd2b22e3ec324ebb0f7589df0c21ea7e03c89064 /src/com/android/launcher3/util/IntSparseArrayMap.java | |
parent | f307b6032e708ee22b6e477e6c81ba07eecd4d4f (diff) | |
download | android_packages_apps_Trebuchet-efb7e84242e174f7bb1a994889742820d229935d.tar.gz android_packages_apps_Trebuchet-efb7e84242e174f7bb1a994889742820d229935d.tar.bz2 android_packages_apps_Trebuchet-efb7e84242e174f7bb1a994889742820d229935d.zip |
Converting long item IDs to int
> Items ids were already being typecasted to int when being bound on the UI
> Using a consistent type allow better use of platform data-structures
> Adding IntArray and IntSet as a replacement for various Collection classes
Change-Id: Id3c650ed2420c2bfca3bd7671d2b705b56112371
Diffstat (limited to 'src/com/android/launcher3/util/IntSparseArrayMap.java')
-rw-r--r-- | src/com/android/launcher3/util/IntSparseArrayMap.java | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/com/android/launcher3/util/IntSparseArrayMap.java b/src/com/android/launcher3/util/IntSparseArrayMap.java new file mode 100644 index 000000000..9d5391be0 --- /dev/null +++ b/src/com/android/launcher3/util/IntSparseArrayMap.java @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2015 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.launcher3.util; + +import android.util.SparseArray; + +import java.util.Iterator; + +/** + * Extension of {@link SparseArray} with some utility methods. + */ +public class IntSparseArrayMap<E> extends SparseArray<E> implements Iterable<E> { + + public boolean containsKey(int key) { + return indexOfKey(key) >= 0; + } + + public boolean isEmpty() { + return size() <= 0; + } + + @Override + public IntSparseArrayMap<E> clone() { + return (IntSparseArrayMap<E>) super.clone(); + } + + @Override + public Iterator<E> iterator() { + return new ValueIterator(); + } + + @Thunk class ValueIterator implements Iterator<E> { + + private int mNextIndex = 0; + + @Override + public boolean hasNext() { + return mNextIndex < size(); + } + + @Override + public E next() { + return valueAt(mNextIndex ++); + } + + @Override + public void remove() { + throw new UnsupportedOperationException(); + } + } +} |