MediaRouter dialog
Add the dialog behavior for MediaRouteActionProvider/MediaRouteButton. Still TODO: * Switch audio icon based on source; speaker/bt/user * Rig up volume slider * Rig up item icons * Rig up group button for groupable categories * Make grouping work Change-Id: I3f992516b184d5ae940ddb7bbb7f94ff58914589
This commit is contained in:
Adam Powell
@ -0,0 +1,341 @@
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.internal.app;
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import com.android.internal.R;
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import android.app.Activity;
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import android.app.DialogFragment;
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import android.app.MediaRouteActionProvider;
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import android.app.MediaRouteButton;
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import android.content.Context;
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import android.media.MediaRouter;
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import android.media.MediaRouter.RouteCategory;
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import android.media.MediaRouter.RouteGroup;
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import android.media.MediaRouter.RouteInfo;
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import android.os.Bundle;
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import android.text.TextUtils;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.BaseAdapter;
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import android.widget.ListView;
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import android.widget.TextView;
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import java.util.ArrayList;
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/**
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* This class implements the route chooser dialog for {@link MediaRouter}.
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*
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* @see MediaRouteButton
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* @see MediaRouteActionProvider
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*/
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public class MediaRouteChooserDialogFragment extends DialogFragment {
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private static final String TAG = "MediaRouteChooserDialogFragment";
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public static final String FRAGMENT_TAG = "android:MediaRouteChooserDialogFragment";
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MediaRouter mRouter;
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private int mRouteTypes;
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private LauncherListener mLauncherListener;
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private View.OnClickListener mExtendedSettingsListener;
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private RouteAdapter mAdapter;
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private ListView mListView;
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public MediaRouteChooserDialogFragment() {
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setStyle(STYLE_NO_TITLE, R.style.Theme_DeviceDefault_Dialog);
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}
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public void setLauncherListener(LauncherListener listener) {
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mLauncherListener = listener;
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}
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@Override
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public void onAttach(Activity activity) {
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super.onAttach(activity);
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mRouter = (MediaRouter) activity.getSystemService(Context.MEDIA_ROUTER_SERVICE);
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}
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@Override
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public void onDetach() {
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super.onDetach();
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if (mLauncherListener != null) {
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mLauncherListener.onDetached(this);
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}
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if (mAdapter != null) {
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mRouter.removeCallback(mAdapter);
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mAdapter = null;
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}
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mRouter = null;
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}
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/**
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* Implemented by the MediaRouteButton that launched this dialog
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*/
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public interface LauncherListener {
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public void onDetached(MediaRouteChooserDialogFragment detachedFragment);
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}
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public void setExtendedSettingsClickListener(View.OnClickListener listener) {
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mExtendedSettingsListener = listener;
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}
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public void setRouteTypes(int types) {
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mRouteTypes = types;
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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final View layout = inflater.inflate(R.layout.media_route_chooser_layout, container, false);
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final View extendedSettingsButton = layout.findViewById(R.id.extended_settings);
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if (mExtendedSettingsListener != null) {
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extendedSettingsButton.setVisibility(View.VISIBLE);
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extendedSettingsButton.setOnClickListener(mExtendedSettingsListener);
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}
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final ListView list = (ListView) layout.findViewById(R.id.list);
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list.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
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list.setAdapter(mAdapter = new RouteAdapter(inflater));
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list.setItemChecked(mAdapter.getSelectedRoutePosition(), true);
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list.setOnItemClickListener(mAdapter);
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mListView = list;
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mRouter.addCallback(mRouteTypes, mAdapter);
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return layout;
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}
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private static final int[] ITEM_LAYOUTS = new int[] {
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R.layout.media_route_list_item_top_header,
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R.layout.media_route_list_item_section_header,
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R.layout.media_route_list_item
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};
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private class RouteAdapter extends BaseAdapter implements MediaRouter.Callback,
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ListView.OnItemClickListener {
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private static final int VIEW_TOP_HEADER = 0;
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private static final int VIEW_SECTION_HEADER = 1;
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private static final int VIEW_ROUTE = 2;
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private int mSelectedItemPosition;
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private final ArrayList<Object> mItems = new ArrayList<Object>();
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private final LayoutInflater mInflater;
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RouteAdapter(LayoutInflater inflater) {
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mInflater = inflater;
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update();
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}
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void update() {
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// TODO this is kind of naive, but our data sets are going to be
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// fairly small on average.
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mItems.clear();
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final RouteInfo selectedRoute = mRouter.getSelectedRoute(mRouteTypes);
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final ArrayList<RouteInfo> routes = new ArrayList<RouteInfo>();
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final int catCount = mRouter.getCategoryCount();
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for (int i = 0; i < catCount; i++) {
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final RouteCategory cat = mRouter.getCategoryAt(i);
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cat.getRoutes(routes);
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mItems.add(cat);
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final int routeCount = routes.size();
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for (int j = 0; j < routeCount; j++) {
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final RouteInfo info = routes.get(j);
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if (info == selectedRoute) {
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mSelectedItemPosition = mItems.size();
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}
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mItems.add(info);
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}
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}
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notifyDataSetChanged();
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if (mListView != null) {
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mListView.setItemChecked(mSelectedItemPosition, true);
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}
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}
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@Override
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public int getCount() {
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return mItems.size();
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}
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@Override
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public int getViewTypeCount() {
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return 3;
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}
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@Override
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public int getItemViewType(int position) {
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final Object item = getItem(position);
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if (item instanceof RouteCategory) {
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return position == 0 ? VIEW_TOP_HEADER : VIEW_SECTION_HEADER;
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} else {
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return VIEW_ROUTE;
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}
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}
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@Override
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public boolean areAllItemsEnabled() {
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return false;
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}
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@Override
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public boolean isEnabled(int position) {
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return getItemViewType(position) == VIEW_ROUTE;
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}
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@Override
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public Object getItem(int position) {
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return mItems.get(position);
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}
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@Override
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public long getItemId(int position) {
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return position;
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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final int viewType = getItemViewType(position);
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ViewHolder holder;
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if (convertView == null) {
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convertView = mInflater.inflate(ITEM_LAYOUTS[viewType], parent, false);
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holder = new ViewHolder();
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holder.text1 = (TextView) convertView.findViewById(R.id.text1);
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holder.text2 = (TextView) convertView.findViewById(R.id.text2);
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convertView.setTag(holder);
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} else {
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holder = (ViewHolder) convertView.getTag();
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}
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if (viewType == VIEW_ROUTE) {
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bindItemView(position, holder);
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} else {
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bindHeaderView(position, holder);
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}
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return convertView;
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}
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void bindItemView(int position, ViewHolder holder) {
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RouteInfo info = (RouteInfo) mItems.get(position);
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holder.text1.setText(info.getName());
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final CharSequence status = info.getStatus();
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if (TextUtils.isEmpty(status)) {
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holder.text2.setVisibility(View.GONE);
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} else {
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holder.text2.setVisibility(View.VISIBLE);
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holder.text2.setText(status);
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}
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}
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void bindHeaderView(int position, ViewHolder holder) {
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RouteCategory cat = (RouteCategory) mItems.get(position);
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holder.text1.setText(cat.getName());
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}
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public int getSelectedRoutePosition() {
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return mSelectedItemPosition;
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}
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@Override
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public void onRouteSelected(MediaRouter router, int type, RouteInfo info) {
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update();
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}
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@Override
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public void onRouteUnselected(MediaRouter router, int type, RouteInfo info) {
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update();
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}
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@Override
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public void onRouteAdded(MediaRouter router, RouteInfo info) {
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update();
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}
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@Override
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public void onRouteRemoved(MediaRouter router, RouteInfo info) {
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update();
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}
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@Override
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public void onRouteChanged(MediaRouter router, RouteInfo info) {
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notifyDataSetChanged();
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}
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@Override
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public void onRouteGrouped(MediaRouter router, RouteInfo info,
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RouteGroup group, int index) {
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update();
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}
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@Override
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public void onRouteUngrouped(MediaRouter router, RouteInfo info, RouteGroup group) {
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update();
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}
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@Override
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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ListView lv = (ListView) parent;
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final Object item = getItem(lv.getCheckedItemPosition());
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if (!(item instanceof RouteInfo)) {
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// Oops. Stale event running around? Skip it.
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return;
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}
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mRouter.selectRoute(mRouteTypes, (RouteInfo) item);
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dismiss();
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}
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}
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private static class ViewHolder {
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public TextView text1;
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public TextView text2;
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}
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private class GroupAdapter extends BaseAdapter {
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@Override
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public int getCount() {
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// TODO Auto-generated method stub
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return 0;
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}
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@Override
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public Object getItem(int position) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public long getItemId(int position) {
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// TODO Auto-generated method stub
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return 0;
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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// TODO Auto-generated method stub
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return null;
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}
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}
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}
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