1 /* 2 * Copyright (C) 2013 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 17 package com.android.camera.ui; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.view.MotionEvent; 22 import android.view.View; 23 24 public class PieMenuButton extends View { 25 private boolean mPressed; 26 private boolean mReadyToClick = false; 27 public PieMenuButton(Context context, AttributeSet attrs) { 28 super(context, attrs); 29 } 30 31 @Override 32 protected void drawableStateChanged() { 33 super.drawableStateChanged(); 34 mPressed = isPressed(); 35 } 36 37 @Override 38 public boolean onTouchEvent(MotionEvent event) { 39 boolean handled = super.onTouchEvent(event); 40 if (MotionEvent.ACTION_UP == event.getAction() && mPressed) { 41 // Perform a customized click as soon as the ACTION_UP event 42 // is received. The reason for doing this is that Framework 43 // delays the performClick() call after ACTION_UP. But we do not 44 // want the delay because it affects an important state change 45 // for PieRenderer. 46 mReadyToClick = true; 47 performClick(); 48 } 49 return handled; 50 } 51 52 @Override 53 public boolean performClick() { 54 if (mReadyToClick) { 55 // We only respond to our customized click which happens right 56 // after ACTION_UP event is received, with no delay. 57 mReadyToClick = false; 58 return super.performClick(); 59 } 60 return false; 61 } 62 }; 63
