1 /* 2 * Copyright (C) 2010 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.launcher3; 18 19 import android.appwidget.AppWidgetProviderInfo; 20 import android.content.ClipData; 21 import android.content.Context; 22 import android.content.DialogInterface; 23 import android.content.pm.PackageManager; 24 import android.content.pm.ResolveInfo; 25 import android.database.DataSetObserver; 26 import android.graphics.drawable.Drawable; 27 import android.view.LayoutInflater; 28 import android.view.View; 29 import android.view.ViewGroup; 30 import android.widget.ImageView; 31 import android.widget.ListAdapter; 32 import android.widget.TextView; 33 34 import java.util.List; 35 36 37 /** 38 * We will likely flesh this out later, to handle allow external apps to place widgets, but for now, 39 * we just want to expose the action around for checking elsewhere. 40 */ 41 public class InstallWidgetReceiver { 42 public static final String ACTION_INSTALL_WIDGET = 43 "com.android.launcher3.action.INSTALL_WIDGET"; 44 public static final String ACTION_SUPPORTS_CLIPDATA_MIMETYPE = 45 "com.android.launcher3.action.SUPPORTS_CLIPDATA_MIMETYPE"; 46 47 // Currently not exposed. Put into Intent when we want to make it public. 48 // TEMP: Should we call this "EXTRA_APPWIDGET_PROVIDER"? 49 public static final String EXTRA_APPWIDGET_COMPONENT = 50 "com.android.launcher3.extra.widget.COMPONENT"; 51 public static final String EXTRA_APPWIDGET_CONFIGURATION_DATA_MIME_TYPE = 52 "com.android.launcher3.extra.widget.CONFIGURATION_DATA_MIME_TYPE"; 53 public static final String EXTRA_APPWIDGET_CONFIGURATION_DATA = 54 "com.android.launcher3.extra.widget.CONFIGURATION_DATA"; 55 56 /** 57 * A simple data class that contains per-item information that the adapter below can reference. 58 */ 59 public static class WidgetMimeTypeHandlerData { 60 public ResolveInfo resolveInfo; 61 public AppWidgetProviderInfo widgetInfo; 62 63 public WidgetMimeTypeHandlerData(ResolveInfo rInfo, AppWidgetProviderInfo wInfo) { 64 resolveInfo = rInfo; 65 widgetInfo = wInfo; 66 } 67 } 68 69 /** 70 * The ListAdapter which presents all the valid widgets that can be created for a given drop. 71 */ 72 public static class WidgetListAdapter implements ListAdapter, DialogInterface.OnClickListener { 73 private LayoutInflater mInflater; 74 private Launcher mLauncher; 75 private String mMimeType; 76 private ClipData mClipData; 77 private List<WidgetMimeTypeHandlerData> mActivities; 78 private int mTargetLayoutScreen; 79 private int[] mTargetLayoutPos; 80 81 public WidgetListAdapter(Launcher l, String mimeType, ClipData data, 82 List<WidgetMimeTypeHandlerData> list, int targetScreen, int[] targetPos) { 83 mLauncher = l; 84 mMimeType = mimeType; 85 mClipData = data; 86 mActivities = list; 87 mTargetLayoutScreen = targetScreen; 88 mTargetLayoutPos = targetPos; 89 } 90 91 @Override 92 public void registerDataSetObserver(DataSetObserver observer) { 93 } 94 95 @Override 96 public void unregisterDataSetObserver(DataSetObserver observer) { 97 } 98 99 @Override 100 public int getCount() { 101 return mActivities.size(); 102 } 103 104 @Override 105 public Object getItem(int position) { 106 return null; 107 } 108 109 @Override 110 public long getItemId(int position) { 111 return position; 112 } 113 114 @Override 115 public boolean hasStableIds() { 116 return true; 117 } 118 119 @Override 120 public View getView(int position, View convertView, ViewGroup parent) { 121 final Context context = parent.getContext(); 122 final PackageManager packageManager = context.getPackageManager(); 123 124 // Lazy-create inflater 125 if (mInflater == null) { 126 mInflater = LayoutInflater.from(context); 127 } 128 129 // Use the convert-view where possible 130 if (convertView == null) { 131 convertView = mInflater.inflate(R.layout.external_widget_drop_list_item, parent, 132 false); 133 } 134 135 final WidgetMimeTypeHandlerData data = mActivities.get(position); 136 final ResolveInfo resolveInfo = data.resolveInfo; 137 final AppWidgetProviderInfo widgetInfo = data.widgetInfo; 138 139 // Set the icon 140 Drawable d = resolveInfo.loadIcon(packageManager); 141 ImageView i = (ImageView) convertView.findViewById(R.id.provider_icon); 142 i.setImageDrawable(d); 143 144 // Set the text 145 final CharSequence component = resolveInfo.loadLabel(packageManager); 146 final int[] widgetSpan = new int[2]; 147 CellLayout.rectToCell(widgetInfo.minWidth, widgetInfo.minHeight, widgetSpan); 148 TextView t = (TextView) convertView.findViewById(R.id.provider); 149 t.setText(context.getString(R.string.external_drop_widget_pick_format, 150 component, widgetSpan[0], widgetSpan[1])); 151 152 return convertView; 153 } 154 155 @Override 156 public int getItemViewType(int position) { 157 return 0; 158 } 159 160 @Override 161 public int getViewTypeCount() { 162 return 1; 163 } 164 165 @Override 166 public boolean isEmpty() { 167 return mActivities.isEmpty(); 168 } 169 170 @Override 171 public boolean areAllItemsEnabled() { 172 return false; 173 } 174 175 @Override 176 public boolean isEnabled(int position) { 177 return true; 178 } 179 180 @Override 181 public void onClick(DialogInterface dialog, int which) { 182 final AppWidgetProviderInfo widgetInfo = mActivities.get(which).widgetInfo; 183 184 final PendingAddWidgetInfo createInfo = new PendingAddWidgetInfo(widgetInfo, mMimeType, 185 mClipData); 186 mLauncher.addAppWidgetFromDrop(createInfo, LauncherSettings.Favorites.CONTAINER_DESKTOP, 187 mTargetLayoutScreen, null, null, mTargetLayoutPos); 188 } 189 } 190 } 191
