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Add Usb preference to connected devices dashboard.

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Add Usb preference and the corresponding controller.

Change-Id: I79e3f20b5c024ece0515f9a6cba1185ba8b8c7be
Fixes: 31800290
Test: make RunSettingsRoboTests
This commit is contained in:
Doris Ling
2016-11-03 16:54:44 -07:00
parent e2bd1d9fa6
commit eb51bde8c9
6 changed files with 339 additions and 44 deletions
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169
src/com/android/settings/connecteddevice/UsbModePreferenceController.java Normal file
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/*
* Copyright (C) 2016 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.connecteddevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.hardware.usb.UsbManager;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceScreen;
import com.android.settings.core.PreferenceController;
import com.android.settings.R;
import com.android.settings.core.lifecycle.LifecycleObserver;
import com.android.settings.core.lifecycle.events.OnPause;
import com.android.settings.core.lifecycle.events.OnResume;
import com.android.settings.deviceinfo.UsbBackend;
public class UsbModePreferenceController extends PreferenceController
implements LifecycleObserver, OnResume, OnPause {
private static final String KEY_USB_MODE = "usb_mode";
private UsbBackend mUsbBackend;
private UsbConnectionBroadcastReceiver mUsbReceiver;
private Preference mUsbPreference;
public UsbModePreferenceController(Context context, UsbBackend usbBackend) {
super(context);
mUsbBackend = usbBackend;
mUsbReceiver = new UsbConnectionBroadcastReceiver();
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mUsbPreference = screen.findPreference(KEY_USB_MODE);
updataSummary(mUsbPreference);
}
@Override
public void updateState(Preference preference) {
updataSummary(preference);
}
@Override
public boolean handlePreferenceTreeClick(Preference preference) {
return false;
}
@Override
public boolean isAvailable() {
return true;
}
@Override
public String getPreferenceKey() {
return KEY_USB_MODE;
}
@Override
public void onPause() {
mUsbReceiver.unregister();
}
@Override
public void onResume() {
mUsbReceiver.register();
}
public static int getSummary(int mode) {
switch (mode) {
case UsbBackend.MODE_POWER_SINK | UsbBackend.MODE_DATA_NONE:
return R.string.usb_use_charging_only_desc;
case UsbBackend.MODE_POWER_SOURCE | UsbBackend.MODE_DATA_NONE:
return R.string.usb_use_power_only_desc;
case UsbBackend.MODE_POWER_SINK | UsbBackend.MODE_DATA_MTP:
return R.string.usb_use_file_transfers_desc;
case UsbBackend.MODE_POWER_SINK | UsbBackend.MODE_DATA_PTP:
return R.string.usb_use_photo_transfers_desc;
case UsbBackend.MODE_POWER_SINK | UsbBackend.MODE_DATA_MIDI:
return R.string.usb_use_MIDI_desc;
}
return 0;
}
public static int getTitle(int mode) {
switch (mode) {
case UsbBackend.MODE_POWER_SINK | UsbBackend.MODE_DATA_NONE:
return R.string.usb_use_charging_only;
case UsbBackend.MODE_POWER_SOURCE | UsbBackend.MODE_DATA_NONE:
return R.string.usb_use_power_only;
case UsbBackend.MODE_POWER_SINK | UsbBackend.MODE_DATA_MTP:
return R.string.usb_use_file_transfers;
case UsbBackend.MODE_POWER_SINK | UsbBackend.MODE_DATA_PTP:
return R.string.usb_use_photo_transfers;
case UsbBackend.MODE_POWER_SINK | UsbBackend.MODE_DATA_MIDI:
return R.string.usb_use_MIDI;
}
return 0;
}
private void updataSummary(Preference preference) {
updataSummary(preference, mUsbBackend.getCurrentMode());
}
private void updataSummary(Preference preference, int mode) {
if (preference != null) {
if (mUsbReceiver.isConnected()) {
preference.setEnabled(true);
preference.setSummary(getTitle(mode));
} else {
preference.setSummary(R.string.usb_nothing_connected);
preference.setEnabled(false);
}
}
}
private class UsbConnectionBroadcastReceiver extends BroadcastReceiver {
private boolean mListeningToUsbEvents;
private boolean mConnected;
@Override
public void onReceive(Context context, Intent intent) {
boolean connected = intent != null
&& intent.getExtras().getBoolean(UsbManager.USB_CONNECTED);
if (connected != mConnected) {
mConnected = connected;
updataSummary(mUsbPreference);
}
}
public void register() {
if (!mListeningToUsbEvents) {
IntentFilter intentFilter = new IntentFilter(UsbManager.ACTION_USB_STATE);
Intent intent = mContext.registerReceiver(this, intentFilter);
mConnected = intent != null
&& intent.getExtras().getBoolean(UsbManager.USB_CONNECTED);
mListeningToUsbEvents = true;
}
}
public void unregister() {
if (mListeningToUsbEvents) {
mContext.unregisterReceiver(this);
mListeningToUsbEvents = false;
}
}
public boolean isConnected() {
return mConnected;
}
}
}