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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.settings.wfd;
import android.content.Context;
import android.media.MediaRouter;
import android.media.MediaRouter.RouteInfo;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
public class WifiDisplayPreferenceController extends BasePreferenceController implements
LifecycleObserver, OnStart, OnStop {
private final MediaRouter mRouter;
private Preference mPreference;
private final MediaRouter.Callback mRouterCallback = new MediaRouter.SimpleCallback() {
@Override
public void onRouteSelected(MediaRouter router, int type, RouteInfo info) {
refreshSummary(mPreference);
}
@Override
public void onRouteUnselected(MediaRouter router, int type, RouteInfo info) {
refreshSummary(mPreference);
}
@Override
public void onRouteAdded(MediaRouter router, RouteInfo info) {
refreshSummary(mPreference);
}
@Override
public void onRouteRemoved(MediaRouter router, RouteInfo info) {
refreshSummary(mPreference);
}
@Override
public void onRouteChanged(MediaRouter router, RouteInfo info) {
refreshSummary(mPreference);
}
};
public WifiDisplayPreferenceController(Context context, String key) {
super(context, key);
mRouter = context.getSystemService(MediaRouter.class);
mRouter.setRouterGroupId(MediaRouter.MIRRORING_GROUP_ID);
}
@Override
public int getAvailabilityStatus() {
return WifiDisplaySettings.isAvailable(mContext) ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreference = screen.findPreference(getPreferenceKey());
}
@Override
public CharSequence getSummary() {
CharSequence summary = mContext.getString(R.string.disconnected);
final int routeCount = mRouter.getRouteCount();
for (int i = 0; i < routeCount; i++) {
final MediaRouter.RouteInfo route = mRouter.getRouteAt(i);
if (route.matchesTypes(MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY)
&& route.isSelected() && !route.isConnecting()) {
summary = mContext.getString(R.string.wifi_display_status_connected);
break;
}
}
return summary;
}
@Override
public void onStart() {
mRouter.addCallback(MediaRouter.ROUTE_TYPE_REMOTE_DISPLAY, mRouterCallback);
}
@Override
public void onStop() {
mRouter.removeCallback(mRouterCallback);
}
}
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