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/*
* Copyright (C) 2012 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;
import android.view.View;
import com.android.launcher3.util.Thunk;
public class CheckLongPressHelper {
@Thunk View mView;
@Thunk View.OnLongClickListener mListener;
@Thunk boolean mHasPerformedLongPress;
private int mLongPressTimeout = 300;
private CheckForLongPress mPendingCheckForLongPress;
class CheckForLongPress implements Runnable {
public void run() {
if ((mView.getParent() != null) && mView.hasWindowFocus()
&& !mHasPerformedLongPress) {
boolean handled;
if (mListener != null) {
handled = mListener.onLongClick(mView);
} else {
handled = mView.performLongClick();
}
if (handled) {
mView.setPressed(false);
mHasPerformedLongPress = true;
}
}
}
}
public CheckLongPressHelper(View v) {
mView = v;
}
public CheckLongPressHelper(View v, View.OnLongClickListener listener) {
mView = v;
mListener = listener;
}
/**
* Overrides the default long press timeout.
*/
public void setLongPressTimeout(int longPressTimeout) {
mLongPressTimeout = longPressTimeout;
}
public void postCheckForLongPress() {
mHasPerformedLongPress = false;
if (mPendingCheckForLongPress == null) {
mPendingCheckForLongPress = new CheckForLongPress();
}
mView.postDelayed(mPendingCheckForLongPress, mLongPressTimeout);
}
public void cancelLongPress() {
mHasPerformedLongPress = false;
if (mPendingCheckForLongPress != null) {
mView.removeCallbacks(mPendingCheckForLongPress);
mPendingCheckForLongPress = null;
}
}
public boolean hasPerformedLongPress() {
return mHasPerformedLongPress;
}
}
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