blob: 3ccda263559e2e5bd633d75f42003be465d3062a [file] [log] [blame]
Winson Chung88f33452012-02-23 15:23:44 -08001/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.launcher2;
18
19import android.view.View;
20
21public class CheckLongPressHelper {
22 private View mView;
23 private boolean mHasPerformedLongPress;
24 private CheckForLongPress mPendingCheckForLongPress;
25
26 class CheckForLongPress implements Runnable {
27 public void run() {
28 if ((mView.getParent() != null) && mView.hasWindowFocus()
29 && !mHasPerformedLongPress) {
30 if (mView.performLongClick()) {
31 mHasPerformedLongPress = true;
32 }
33 }
34 }
35 }
36
37 public CheckLongPressHelper(View v) {
38 mView = v;
39 }
40
41 public void postCheckForLongPress() {
42 mHasPerformedLongPress = false;
43
44 if (mPendingCheckForLongPress == null) {
45 mPendingCheckForLongPress = new CheckForLongPress();
46 }
47 mView.postDelayed(mPendingCheckForLongPress, LauncherApplication.getLongPressTimeout());
48 }
49
50 public void cancelLongPress() {
51 mHasPerformedLongPress = false;
52 if (mPendingCheckForLongPress != null) {
53 mView.removeCallbacks(mPendingCheckForLongPress);
54 mPendingCheckForLongPress = null;
55 }
56 }
57
58 public boolean hasPerformedLongPress() {
59 return mHasPerformedLongPress;
60 }
61}