Jeff Brown | 0abd3a6 | 2013-11-09 17:48:23 -0800 | [diff] [blame] | 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.internal.app; |
| 18 | |
| 19 | import com.android.internal.R; |
| 20 | |
| 21 | import android.app.Dialog; |
| 22 | import android.content.Context; |
| 23 | import android.media.MediaRouter; |
| 24 | import android.media.MediaRouter.RouteInfo; |
| 25 | import android.os.Bundle; |
| 26 | import android.text.TextUtils; |
Christofer Åkersten | d51640b | 2017-08-07 18:56:52 +0900 | [diff] [blame] | 27 | import android.util.TypedValue; |
Jeff Brown | 0abd3a6 | 2013-11-09 17:48:23 -0800 | [diff] [blame] | 28 | import android.view.LayoutInflater; |
| 29 | import android.view.View; |
| 30 | import android.view.ViewGroup; |
| 31 | import android.view.Window; |
| 32 | import android.widget.AdapterView; |
| 33 | import android.widget.ArrayAdapter; |
| 34 | import android.widget.Button; |
| 35 | import android.widget.ListView; |
| 36 | import android.widget.TextView; |
| 37 | |
| 38 | import java.util.Comparator; |
Jeff Brown | 0abd3a6 | 2013-11-09 17:48:23 -0800 | [diff] [blame] | 39 | |
| 40 | /** |
| 41 | * This class implements the route chooser dialog for {@link MediaRouter}. |
| 42 | * <p> |
| 43 | * This dialog allows the user to choose a route that matches a given selector. |
| 44 | * </p> |
| 45 | * |
| 46 | * @see MediaRouteButton |
| 47 | * @see MediaRouteActionProvider |
| 48 | * |
| 49 | * TODO: Move this back into the API, as in the support library media router. |
| 50 | */ |
| 51 | public class MediaRouteChooserDialog extends Dialog { |
| 52 | private final MediaRouter mRouter; |
| 53 | private final MediaRouterCallback mCallback; |
| 54 | |
| 55 | private int mRouteTypes; |
| 56 | private View.OnClickListener mExtendedSettingsClickListener; |
| 57 | private RouteAdapter mAdapter; |
| 58 | private ListView mListView; |
| 59 | private Button mExtendedSettingsButton; |
| 60 | private boolean mAttachedToWindow; |
| 61 | |
| 62 | public MediaRouteChooserDialog(Context context, int theme) { |
| 63 | super(context, theme); |
| 64 | |
| 65 | mRouter = (MediaRouter) context.getSystemService(Context.MEDIA_ROUTER_SERVICE); |
| 66 | mCallback = new MediaRouterCallback(); |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Gets the media route types for filtering the routes that the user can |
| 71 | * select using the media route chooser dialog. |
| 72 | * |
| 73 | * @return The route types. |
| 74 | */ |
| 75 | public int getRouteTypes() { |
| 76 | return mRouteTypes; |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Sets the types of routes that will be shown in the media route chooser dialog |
| 81 | * launched by this button. |
| 82 | * |
| 83 | * @param types The route types to match. |
| 84 | */ |
| 85 | public void setRouteTypes(int types) { |
| 86 | if (mRouteTypes != types) { |
| 87 | mRouteTypes = types; |
| 88 | |
| 89 | if (mAttachedToWindow) { |
| 90 | mRouter.removeCallback(mCallback); |
| 91 | mRouter.addCallback(types, mCallback, |
| 92 | MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN); |
| 93 | } |
| 94 | |
| 95 | refreshRoutes(); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | public void setExtendedSettingsClickListener(View.OnClickListener listener) { |
| 100 | if (listener != mExtendedSettingsClickListener) { |
| 101 | mExtendedSettingsClickListener = listener; |
| 102 | updateExtendedSettingsButton(); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Returns true if the route should be included in the list. |
| 108 | * <p> |
Jeff Brown | 39ad0e5 | 2013-11-11 17:55:08 -0800 | [diff] [blame] | 109 | * The default implementation returns true for enabled non-default routes that |
| 110 | * match the route types. Subclasses can override this method to filter routes |
Jeff Brown | 0abd3a6 | 2013-11-09 17:48:23 -0800 | [diff] [blame] | 111 | * differently. |
| 112 | * </p> |
| 113 | * |
| 114 | * @param route The route to consider, never null. |
| 115 | * @return True if the route should be included in the chooser dialog. |
| 116 | */ |
| 117 | public boolean onFilterRoute(MediaRouter.RouteInfo route) { |
Jeff Brown | 39ad0e5 | 2013-11-11 17:55:08 -0800 | [diff] [blame] | 118 | return !route.isDefault() && route.isEnabled() && route.matchesTypes(mRouteTypes); |
Jeff Brown | 0abd3a6 | 2013-11-09 17:48:23 -0800 | [diff] [blame] | 119 | } |
| 120 | |
| 121 | @Override |
| 122 | protected void onCreate(Bundle savedInstanceState) { |
| 123 | super.onCreate(savedInstanceState); |
| 124 | |
| 125 | getWindow().requestFeature(Window.FEATURE_LEFT_ICON); |
| 126 | |
| 127 | setContentView(R.layout.media_route_chooser_dialog); |
Jeff Brown | cef34fc | 2013-11-14 16:03:36 -0800 | [diff] [blame] | 128 | setTitle(mRouteTypes == MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY |
| 129 | ? R.string.media_route_chooser_title_for_remote_display |
| 130 | : R.string.media_route_chooser_title); |
Jeff Brown | 0abd3a6 | 2013-11-09 17:48:23 -0800 | [diff] [blame] | 131 | |
| 132 | // Must be called after setContentView. |
| 133 | getWindow().setFeatureDrawableResource(Window.FEATURE_LEFT_ICON, |
Christofer Åkersten | d51640b | 2017-08-07 18:56:52 +0900 | [diff] [blame] | 134 | isLightTheme(getContext()) ? R.drawable.ic_media_route_off_holo_light |
| 135 | : R.drawable.ic_media_route_off_holo_dark); |
Jeff Brown | 0abd3a6 | 2013-11-09 17:48:23 -0800 | [diff] [blame] | 136 | |
| 137 | mAdapter = new RouteAdapter(getContext()); |
| 138 | mListView = (ListView)findViewById(R.id.media_route_list); |
| 139 | mListView.setAdapter(mAdapter); |
| 140 | mListView.setOnItemClickListener(mAdapter); |
| 141 | mListView.setEmptyView(findViewById(android.R.id.empty)); |
| 142 | |
| 143 | mExtendedSettingsButton = (Button)findViewById(R.id.media_route_extended_settings_button); |
| 144 | updateExtendedSettingsButton(); |
| 145 | } |
| 146 | |
| 147 | private void updateExtendedSettingsButton() { |
| 148 | if (mExtendedSettingsButton != null) { |
| 149 | mExtendedSettingsButton.setOnClickListener(mExtendedSettingsClickListener); |
| 150 | mExtendedSettingsButton.setVisibility( |
| 151 | mExtendedSettingsClickListener != null ? View.VISIBLE : View.GONE); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | @Override |
| 156 | public void onAttachedToWindow() { |
| 157 | super.onAttachedToWindow(); |
| 158 | |
| 159 | mAttachedToWindow = true; |
| 160 | mRouter.addCallback(mRouteTypes, mCallback, MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN); |
| 161 | refreshRoutes(); |
| 162 | } |
| 163 | |
| 164 | @Override |
| 165 | public void onDetachedFromWindow() { |
| 166 | mAttachedToWindow = false; |
| 167 | mRouter.removeCallback(mCallback); |
| 168 | |
| 169 | super.onDetachedFromWindow(); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Refreshes the list of routes that are shown in the chooser dialog. |
| 174 | */ |
| 175 | public void refreshRoutes() { |
| 176 | if (mAttachedToWindow) { |
| 177 | mAdapter.update(); |
| 178 | } |
| 179 | } |
| 180 | |
Christofer Åkersten | d51640b | 2017-08-07 18:56:52 +0900 | [diff] [blame] | 181 | static boolean isLightTheme(Context context) { |
| 182 | TypedValue value = new TypedValue(); |
| 183 | return context.getTheme().resolveAttribute(R.attr.isLightTheme, value, true) |
| 184 | && value.data != 0; |
| 185 | } |
| 186 | |
Jeff Brown | 0abd3a6 | 2013-11-09 17:48:23 -0800 | [diff] [blame] | 187 | private final class RouteAdapter extends ArrayAdapter<MediaRouter.RouteInfo> |
| 188 | implements ListView.OnItemClickListener { |
| 189 | private final LayoutInflater mInflater; |
| 190 | |
| 191 | public RouteAdapter(Context context) { |
| 192 | super(context, 0); |
| 193 | mInflater = LayoutInflater.from(context); |
| 194 | } |
| 195 | |
| 196 | public void update() { |
| 197 | clear(); |
| 198 | final int count = mRouter.getRouteCount(); |
| 199 | for (int i = 0; i < count; i++) { |
| 200 | MediaRouter.RouteInfo route = mRouter.getRouteAt(i); |
| 201 | if (onFilterRoute(route)) { |
| 202 | add(route); |
| 203 | } |
| 204 | } |
| 205 | sort(RouteComparator.sInstance); |
| 206 | notifyDataSetChanged(); |
| 207 | } |
| 208 | |
| 209 | @Override |
| 210 | public boolean areAllItemsEnabled() { |
| 211 | return false; |
| 212 | } |
| 213 | |
| 214 | @Override |
| 215 | public boolean isEnabled(int position) { |
| 216 | return getItem(position).isEnabled(); |
| 217 | } |
| 218 | |
| 219 | @Override |
| 220 | public View getView(int position, View convertView, ViewGroup parent) { |
| 221 | View view = convertView; |
| 222 | if (view == null) { |
| 223 | view = mInflater.inflate(R.layout.media_route_list_item, parent, false); |
| 224 | } |
| 225 | MediaRouter.RouteInfo route = getItem(position); |
| 226 | TextView text1 = (TextView)view.findViewById(android.R.id.text1); |
| 227 | TextView text2 = (TextView)view.findViewById(android.R.id.text2); |
| 228 | text1.setText(route.getName()); |
| 229 | CharSequence description = route.getDescription(); |
| 230 | if (TextUtils.isEmpty(description)) { |
| 231 | text2.setVisibility(View.GONE); |
| 232 | text2.setText(""); |
| 233 | } else { |
| 234 | text2.setVisibility(View.VISIBLE); |
| 235 | text2.setText(description); |
| 236 | } |
| 237 | view.setEnabled(route.isEnabled()); |
| 238 | return view; |
| 239 | } |
| 240 | |
| 241 | @Override |
| 242 | public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
| 243 | MediaRouter.RouteInfo route = getItem(position); |
| 244 | if (route.isEnabled()) { |
| 245 | route.select(); |
| 246 | dismiss(); |
| 247 | } |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | private final class MediaRouterCallback extends MediaRouter.SimpleCallback { |
| 252 | @Override |
| 253 | public void onRouteAdded(MediaRouter router, MediaRouter.RouteInfo info) { |
| 254 | refreshRoutes(); |
| 255 | } |
| 256 | |
| 257 | @Override |
| 258 | public void onRouteRemoved(MediaRouter router, MediaRouter.RouteInfo info) { |
| 259 | refreshRoutes(); |
| 260 | } |
| 261 | |
| 262 | @Override |
| 263 | public void onRouteChanged(MediaRouter router, MediaRouter.RouteInfo info) { |
| 264 | refreshRoutes(); |
| 265 | } |
| 266 | |
| 267 | @Override |
| 268 | public void onRouteSelected(MediaRouter router, int type, RouteInfo info) { |
| 269 | dismiss(); |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | private static final class RouteComparator implements Comparator<MediaRouter.RouteInfo> { |
| 274 | public static final RouteComparator sInstance = new RouteComparator(); |
| 275 | |
| 276 | @Override |
| 277 | public int compare(MediaRouter.RouteInfo lhs, MediaRouter.RouteInfo rhs) { |
| 278 | return lhs.getName().toString().compareTo(rhs.getName().toString()); |
| 279 | } |
| 280 | } |
| 281 | } |