19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.widget; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.MotionEvent; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View.OnLongClickListener; 268a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganovimport android.view.accessibility.AccessibilityEvent; 278a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganovimport android.view.accessibility.AccessibilityNodeInfo; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ZoomButton extends ImageButton implements OnLongClickListener { 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Handler mHandler; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Runnable mRunnable = new Runnable() { 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 340500b3cfda5192efc09d6d4344b0c6c785c0a815Dianne Hackborn if (hasOnClickListeners() && mIsInLongpress && isEnabled()) { 350500b3cfda5192efc09d6d4344b0c6c785c0a815Dianne Hackborn callOnClick(); 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.postDelayed(this, mZoomSpeed); 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mZoomSpeed = 1000; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mIsInLongpress; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ZoomButton(Context context) { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, null); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ZoomButton(Context context, AttributeSet attrs) { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, 0); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette public ZoomButton(Context context, AttributeSet attrs, int defStyleAttr) { 53617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette this(context, attrs, defStyleAttr, 0); 54617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette } 55617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette 56617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette public ZoomButton(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 57617feb99a06e7ffb3894e86a286bf30e085f321aAlan Viverette super(context, attrs, defStyleAttr, defStyleRes); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler = new Handler(); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setOnLongClickListener(this); 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onTouchEvent(MotionEvent event) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((event.getAction() == MotionEvent.ACTION_CANCEL) 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (event.getAction() == MotionEvent.ACTION_UP)) { 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIsInLongpress = false; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onTouchEvent(event); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setZoomSpeed(long speed) { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mZoomSpeed = speed; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onLongClick(View v) { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIsInLongpress = true; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.post(mRunnable); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyUp(int keyCode, KeyEvent event) { 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIsInLongpress = false; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onKeyUp(keyCode, event); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setEnabled(boolean enabled) { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!enabled) { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* If we're being disabled reset the state back to unpressed 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * as disabled views don't get events and therefore we won't 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * get the up event to reset the state. 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPressed(false); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.setEnabled(enabled); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean dispatchUnhandledMove(View focused, int direction) { 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project clearFocus(); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.dispatchUnhandledMove(focused, direction); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1058a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 1068a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov @Override 1078a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov public void onInitializeAccessibilityEvent(AccessibilityEvent event) { 1088a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov super.onInitializeAccessibilityEvent(event); 1098a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov event.setClassName(ZoomButton.class.getName()); 1108a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 1118a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov 1128a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov @Override 1138a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { 1148a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov super.onInitializeAccessibilityNodeInfo(info); 1158a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov info.setClassName(ZoomButton.class.getName()); 1168a78fd4d9572dff95432fcc4ba0e87563415b728Svetoslav Ganov } 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 118