1 /* 2 * Copyright (C) 2009 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.launcher2; 18 19 import android.appwidget.AppWidgetHostView; 20 import android.content.Context; 21 import android.view.LayoutInflater; 22 import android.view.MotionEvent; 23 import android.view.View; 24 import android.view.ViewGroup; 25 import android.widget.RemoteViews; 26 27 import com.android.launcher.R; 28 29 /** 30 * {@inheritDoc} 31 */ 32 public class LauncherAppWidgetHostView extends AppWidgetHostView { 33 private CheckLongPressHelper mLongPressHelper; 34 private LayoutInflater mInflater; 35 private Context mContext; 36 private int mPreviousOrientation; 37 LauncherAppWidgetHostView(Context context)38 public LauncherAppWidgetHostView(Context context) { 39 super(context); 40 mContext = context; 41 mLongPressHelper = new CheckLongPressHelper(this); 42 mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 43 } 44 45 @Override getErrorView()46 protected View getErrorView() { 47 return mInflater.inflate(R.layout.appwidget_error, this, false); 48 } 49 50 @Override updateAppWidget(RemoteViews remoteViews)51 public void updateAppWidget(RemoteViews remoteViews) { 52 // Store the orientation in which the widget was inflated 53 mPreviousOrientation = mContext.getResources().getConfiguration().orientation; 54 super.updateAppWidget(remoteViews); 55 } 56 orientationChangedSincedInflation()57 public boolean orientationChangedSincedInflation() { 58 int orientation = mContext.getResources().getConfiguration().orientation; 59 if (mPreviousOrientation != orientation) { 60 return true; 61 } 62 return false; 63 } 64 onInterceptTouchEvent(MotionEvent ev)65 public boolean onInterceptTouchEvent(MotionEvent ev) { 66 // Consume any touch events for ourselves after longpress is triggered 67 if (mLongPressHelper.hasPerformedLongPress()) { 68 mLongPressHelper.cancelLongPress(); 69 return true; 70 } 71 72 // Watch for longpress events at this level to make sure 73 // users can always pick up this widget 74 switch (ev.getAction()) { 75 case MotionEvent.ACTION_DOWN: { 76 mLongPressHelper.postCheckForLongPress(); 77 break; 78 } 79 80 case MotionEvent.ACTION_UP: 81 case MotionEvent.ACTION_CANCEL: 82 mLongPressHelper.cancelLongPress(); 83 break; 84 } 85 86 // Otherwise continue letting touch events fall through to children 87 return false; 88 } 89 90 @Override cancelLongPress()91 public void cancelLongPress() { 92 super.cancelLongPress(); 93 94 mLongPressHelper.cancelLongPress(); 95 } 96 97 @Override getDescendantFocusability()98 public int getDescendantFocusability() { 99 return ViewGroup.FOCUS_BLOCK_DESCENDANTS; 100 } 101 } 102