ZoomButtonsController.java revision 9066cfe9886ac131c34d59ed0e2d287b0e3c0087
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.BroadcastReceiver; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.IntentFilter; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.PixelFormat; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Rect; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.provider.Settings; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Gravity; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.MotionEvent; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewConfiguration; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.WindowManager; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View.OnClickListener; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.WindowManager.LayoutParams; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// TODO: make sure no px values exist, only dip (scale if necessary from Viewconfiguration) 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TODO: Docs 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If you are using this with a custom View, please call 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #setVisible(boolean) setVisible(false)} from the 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link View#onDetachedFromWindow}. 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ZoomButtonsController implements View.OnTouchListener { 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "ZoomButtonsController"; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ZOOM_CONTROLS_TIMEOUT = 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int) ViewConfiguration.getZoomControlsTimeout(); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: scaled to density 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ZOOM_CONTROLS_TOUCH_PADDING = 20; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Context mContext; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private WindowManager mWindowManager; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view that is being zoomed by this zoom ring. 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mOwnerView; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The bounds of the owner view in global coordinates. This is recalculated 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * each time the zoom ring is shown. 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Rect mOwnerViewBounds = new Rect(); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The container that is added as a window. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FrameLayout mContainer; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LayoutParams mContainerLayoutParams; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mContainerLocation = new int[2]; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ZoomControls mControls; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The view (or null) that should receive touch events. This will get set if 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the touch down hits the container. It will be reset on the touch up. 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View mTouchTargetView; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The {@link #mTouchTargetView}'s location in window, set on touch down. 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mTouchTargetLocationInWindow = new int[2]; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the zoom ring is dismissed but the user is still in a touch 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * interaction, we set this to true. This will ignore all touch events until 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * up/cancel, and then set the owner's touch listener to null. 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mReleaseTouchListenerOnUp; 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mIsVisible; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Rect mTempRect = new Rect(); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnZoomListener mCallback; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When showing the zoom, we add the view as a new window. However, there is 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * logic that needs to know the size of the zoom which is determined after 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it's laid out. Therefore, we must post this logic onto the UI thread so 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * it will be exceuted AFTER the layout. This is the logic. 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Runnable mPostedVisibleInitializer; 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private IntentFilter mConfigurationChangedFilter = 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new IntentFilter(Intent.ACTION_CONFIGURATION_CHANGED); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private BroadcastReceiver mConfigurationChangedReceiver = new BroadcastReceiver() { 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onReceive(Context context, Intent intent) { 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mIsVisible) return; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.removeMessages(MSG_POST_CONFIGURATION_CHANGED); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.sendEmptyMessage(MSG_POST_CONFIGURATION_CHANGED); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** When configuration changes, this is called after the UI thread is idle. */ 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int MSG_POST_CONFIGURATION_CHANGED = 2; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Used to delay the zoom ring dismissal. */ 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int MSG_DISMISS_ZOOM_RING = 3; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If setVisible(true) is called and the owner view's window token is null, 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * we delay the setVisible(true) call until it is not null. 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int MSG_POST_SET_VISIBLE = 4; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Handler mHandler = new Handler() { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (msg.what) { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MSG_POST_CONFIGURATION_CHANGED: 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onPostConfigurationChanged(); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MSG_DISMISS_ZOOM_RING: 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setVisible(false); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MSG_POST_SET_VISIBLE: 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOwnerView.getWindowToken() == null) { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Doh, it is still null, throw an exception 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException( 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Cannot make the zoom ring visible if the owner view is " + 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "not attached to a window."); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setVisible(true); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ZoomButtonsController(Context context, View ownerView) { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContext = context; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWindowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOwnerView = ownerView; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContainer = createContainer(); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FrameLayout createContainer() { 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutParams lp = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.gravity = Gravity.BOTTOM | Gravity.CENTER; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.flags = LayoutParams.FLAG_NOT_TOUCHABLE | 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutParams.FLAG_LAYOUT_NO_LIMITS; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.height = LayoutParams.WRAP_CONTENT; 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.width = LayoutParams.FILL_PARENT; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.type = LayoutParams.TYPE_APPLICATION_PANEL; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.format = PixelFormat.TRANSPARENT; 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: make a new animation for this 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lp.windowAnimations = com.android.internal.R.style.Animation_InputMethodFancy; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContainerLayoutParams = lp; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FrameLayout container = new FrameLayout(mContext); 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project container.setLayoutParams(lp); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project container.setMeasureAllChildren(true); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutInflater inflater = (LayoutInflater) mContext 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .getSystemService(Context.LAYOUT_INFLATER_SERVICE); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project inflater.inflate(com.android.internal.R.layout.zoom_magnify, container); 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mControls = (ZoomControls) container.findViewById(com.android.internal.R.id.zoomControls); 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mControls.setOnZoomInClickListener(new OnClickListener() { 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onClick(View v) { 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissControlsDelayed(ZOOM_CONTROLS_TIMEOUT); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCallback != null) mCallback.onZoom(true); 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mControls.setOnZoomOutClickListener(new OnClickListener() { 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onClick(View v) { 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissControlsDelayed(ZOOM_CONTROLS_TIMEOUT); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCallback != null) mCallback.onZoom(false); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }); 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View overview = container.findViewById(com.android.internal.R.id.zoomMagnify); 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project overview.setVisibility(View.GONE); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project overview.setOnClickListener(new OnClickListener() { 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onClick(View v) { 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissControlsDelayed(ZOOM_CONTROLS_TIMEOUT); 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCallback != null) mCallback.onOverview(); 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }); 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return container; 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setCallback(OnZoomListener callback) { 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCallback = callback; 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setFocusable(boolean focusable) { 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (focusable) { 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContainerLayoutParams.flags &= ~LayoutParams.FLAG_NOT_FOCUSABLE; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContainerLayoutParams.flags |= LayoutParams.FLAG_NOT_FOCUSABLE; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mIsVisible) { 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWindowManager.updateViewLayout(mContainer, mContainerLayoutParams); 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOverviewVisible(boolean visible) { 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContainer.findViewById(com.android.internal.R.id.zoomMagnify) 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .setVisibility(visible ? View.VISIBLE : View.GONE); 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isVisible() { 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mIsVisible; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setVisible(boolean visible) { 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!useThisZoom(mContext)) return; 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (visible) { 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOwnerView.getWindowToken() == null) { 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We need a window token to show ourselves, maybe the owner's 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * window hasn't been created yet but it will have been by the 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * time the looper is idle, so post the setVisible(true) call. 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mHandler.hasMessages(MSG_POST_SET_VISIBLE)) { 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.sendEmptyMessage(MSG_POST_SET_VISIBLE); 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissControlsDelayed(ZOOM_CONTROLS_TIMEOUT); 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mIsVisible == visible) { 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIsVisible = visible; 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (visible) { 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mContainerLayoutParams.token == null) { 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContainerLayoutParams.token = mOwnerView.getWindowToken(); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWindowManager.addView(mContainer, mContainerLayoutParams); 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPostedVisibleInitializer == null) { 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPostedVisibleInitializer = new Runnable() { 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshPositioningVariables(); 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCallback != null) { 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCallback.onVisibilityChanged(true); 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.post(mPostedVisibleInitializer); 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Handle configuration changes when visible 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContext.registerReceiver(mConfigurationChangedReceiver, mConfigurationChangedFilter); 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Steal touches events from the owner 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOwnerView.setOnTouchListener(this); 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReleaseTouchListenerOnUp = false; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Don't want to steal any more touches 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTouchTargetView != null) { 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We are still stealing the touch events for this touch 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // sequence, so release the touch listener later 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReleaseTouchListenerOnUp = true; 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOwnerView.setOnTouchListener(null); 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No longer care about configuration changes 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContext.unregisterReceiver(mConfigurationChangedReceiver); 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWindowManager.removeView(mContainer); 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.removeCallbacks(mPostedVisibleInitializer); 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCallback != null) { 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCallback.onVisibilityChanged(false); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TODO: docs 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Notes: 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - Please ensure you set your View to INVISIBLE not GONE when hiding it. 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return TODO 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public FrameLayout getContainer() { 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mContainer; 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getZoomRingId() { 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mControls.getId(); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void dismissControlsDelayed(int delay) { 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.removeMessages(MSG_DISMISS_ZOOM_RING); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.sendEmptyMessageDelayed(MSG_DISMISS_ZOOM_RING, delay); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Should be called by the client for each event belonging to the second tap 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (the down, move, up, and cancel events). 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param event The event belonging to the second tap. 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether the event was consumed. 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean handleDoubleTapEvent(MotionEvent event) { 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!useThisZoom(mContext)) return false; 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = event.getAction(); 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (action == MotionEvent.ACTION_DOWN) { 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int x = (int) event.getX(); 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int y = (int) event.getY(); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setVisible(true); 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project centerPoint(x, y); 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void refreshPositioningVariables() { 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Calculate the owner view's bounds 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOwnerView.getGlobalVisibleRect(mOwnerViewBounds); 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContainer.getLocationOnScreen(mContainerLocation); 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Centers the point (in owner view's coordinates). 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void centerPoint(int x, int y) { 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCallback != null) { 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCallback.onCenter(x, y); 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onTouch(View v, MotionEvent event) { 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int action = event.getAction(); 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mReleaseTouchListenerOnUp) { 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The ring was dismissed but we need to throw away all events until the up 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) { 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOwnerView.setOnTouchListener(null); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTouchTargetView(null); 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReleaseTouchListenerOnUp = false; 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Eat this event 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: optimize this (it ends up removing message and queuing another) 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissControlsDelayed(ZOOM_CONTROLS_TIMEOUT); 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View targetView = mTouchTargetView; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (action) { 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_DOWN: 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project targetView = getViewForTouch((int) event.getRawX(), (int) event.getRawY()); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTouchTargetView(targetView); 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_UP: 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MotionEvent.ACTION_CANCEL: 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTouchTargetView(null); 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (targetView != null) { 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The upperleft corner of the target view in raw coordinates 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int targetViewRawX = mContainerLocation[0] + mTouchTargetLocationInWindow[0]; 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int targetViewRawY = mContainerLocation[1] + mTouchTargetLocationInWindow[1]; 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MotionEvent containerEvent = MotionEvent.obtain(event); 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Convert the motion event into the target view's coordinates (from 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // owner view's coordinates) 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project containerEvent.offsetLocation(mOwnerViewBounds.left - targetViewRawX, 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOwnerViewBounds.top - targetViewRawY); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean retValue = targetView.dispatchTouchEvent(containerEvent); 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project containerEvent.recycle(); 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return retValue; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void setTouchTargetView(View view) { 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTouchTargetView = view; 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (view != null) { 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.getLocationInWindow(mTouchTargetLocationInWindow); 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the View that should receive a touch at the given coordinates. 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rawX The raw X. 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rawY The raw Y. 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The view that should receive the touches, or null if there is not one. 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private View getViewForTouch(int rawX, int rawY) { 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reverse order so the child drawn on top gets first dibs. 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int containerCoordsX = rawX - mContainerLocation[0]; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int containerCoordsY = rawY - mContainerLocation[1]; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect frame = mTempRect; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = mContainer.getChildCount() - 1; i >= 0; i--) { 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View child = mContainer.getChildAt(i); 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (child.getVisibility() != View.VISIBLE) { 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project child.getHitRect(frame); 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Expand the touch region 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frame.top -= ZOOM_CONTROLS_TOUCH_PADDING; 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frame.contains(containerCoordsX, containerCoordsY)) { 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return child; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void onPostConfigurationChanged() { 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dismissControlsDelayed(ZOOM_CONTROLS_TIMEOUT); 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project refreshPositioningVariables(); 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static boolean useThisZoom(Context context) { 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ZoomRingController.getZoomType(context) == 2; 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnZoomListener { 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onCenter(int x, int y); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onVisibilityChanged(boolean visible); 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onZoom(boolean zoomIn); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onOverview(); 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 479