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Update ConnectedDeviceGroupController

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Get the PreferenceGroup there and add/remove preference
through the callback

Also add ConnectedBluetoothDeviceUpdater which only filter
the connected device.

Bug: 69333961
Test: RunSettingsRoboTests

Change-Id: Ia2ab6b6708329227929d6fe442df3a8d45bf86f5
This commit is contained in:
jackqdyulei
2017-11-16 10:45:43 -08:00
parent 88579e2558
commit 75ea67c9f4
7 changed files with 369 additions and 23 deletions
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57
src/com/android/settings/connecteddevice/ConnectedDeviceGroupController.java
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@@ -15,64 +15,95 @@
*/
package com.android.settings.connecteddevice;
import android.content.Context;
import android.support.annotation.VisibleForTesting;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceGroup;
import android.support.v7.preference.PreferenceScreen;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.bluetooth.BluetoothDeviceUpdater;
import com.android.settings.bluetooth.ConnectedBluetoothDeviceUpdater;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
/**
* Controller to maintain the {@link android.support.v7.preference.PreferenceGroup} for all
* connected devices. It uses {@link DevicePreferenceCallback} to add/remove {@link Preference}
*
* TODO(b/69333961): add real impl
*/
public class ConnectedDeviceGroupController extends AbstractPreferenceController
implements PreferenceControllerMixin, LifecycleObserver, OnStart, OnStop,
DevicePreferenceCallback {
private BluetoothDeviceUpdater mBluetoothController;
public ConnectedDeviceGroupController(Context context) {
super(context);
private static final String KEY = "connected_device_list";
@VisibleForTesting
PreferenceGroup mPreferenceGroup;
private BluetoothDeviceUpdater mBluetoothDeviceUpdater;
public ConnectedDeviceGroupController(DashboardFragment fragment, Lifecycle lifecycle) {
super(fragment.getContext());
init(lifecycle, new ConnectedBluetoothDeviceUpdater(fragment, this));
}
@VisibleForTesting
ConnectedDeviceGroupController(DashboardFragment fragment, Lifecycle lifecycle,
BluetoothDeviceUpdater bluetoothDeviceUpdater) {
super(fragment.getContext());
init(lifecycle, bluetoothDeviceUpdater);
}
@Override
public void onStart() {
mBluetoothController.registerCallback();
mBluetoothDeviceUpdater.registerCallback();
}
@Override
public void onStop() {
mBluetoothController.unregisterCallback();
mBluetoothDeviceUpdater.unregisterCallback();
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreferenceGroup = (PreferenceGroup) screen.findPreference(KEY);
mPreferenceGroup.setVisible(false);
mBluetoothDeviceUpdater.setPrefContext(screen.getContext());
mBluetoothDeviceUpdater.forceUpdate();
}
@Override
public boolean isAvailable() {
return false;
return true;
}
@Override
public String getPreferenceKey() {
return null;
return KEY;
}
@Override
public void onDeviceAdded(Preference preference) {
if (mPreferenceGroup.getPreferenceCount() == 0) {
mPreferenceGroup.setVisible(true);
}
mPreferenceGroup.addPreference(preference);
}
@Override
public void onDeviceRemoved(Preference preference) {
mPreferenceGroup.removePreference(preference);
if (mPreferenceGroup.getPreferenceCount() == 0) {
mPreferenceGroup.setVisible(false);
}
}
private void init(Lifecycle lifecycle, BluetoothDeviceUpdater bluetoothDeviceUpdater) {
if (lifecycle != null) {
lifecycle.addObserver(this);
}
mBluetoothDeviceUpdater = bluetoothDeviceUpdater;
}
}