blob: 2c4db1f486a4c8ca1184b9e68e9cf7fb7df0e595 [file] [log] [blame]
/*
* 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.bluetooth;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Handler;
import android.os.Looper;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import androidx.annotation.VisibleForTesting;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settings.fuelgauge.BatteryMeterView;
import com.android.settingslib.bluetooth.CachedBluetoothDevice;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
import com.android.settingslib.utils.ThreadUtils;
import com.android.settingslib.widget.LayoutPreference;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
/**
* This class adds a header with device name and status (connected/disconnected, etc.).
*/
public class AdvancedBluetoothDetailsHeaderController extends BasePreferenceController implements
LifecycleObserver, OnStart, OnStop, CachedBluetoothDevice.Callback {
private static final String TAG = "AdvancedBtHeaderCtrl";
@VisibleForTesting
LayoutPreference mLayoutPreference;
@VisibleForTesting
final Map<String, Bitmap> mIconCache;
private CachedBluetoothDevice mCachedDevice;
@VisibleForTesting
BluetoothAdapter mBluetoothAdapter;
@VisibleForTesting
Handler mHandler = new Handler(Looper.getMainLooper());
@VisibleForTesting
final BluetoothAdapter.MetadataListener mMetadataListener =
new BluetoothAdapter.MetadataListener() {
@Override
public void onMetadataChanged(BluetoothDevice device, int key, String value) {
super.onMetadataChanged(device, key, value);
Log.i(TAG, String.format("Metadata updated in Device %s: %d = %s.", device, key,
value));
refresh();
}
};
public AdvancedBluetoothDetailsHeaderController(Context context, String prefKey) {
super(context, prefKey);
mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
mIconCache = new HashMap<>();
}
@Override
public int getAvailabilityStatus() {
final boolean unthetheredHeadset = Utils.getBooleanMetaData(mCachedDevice.getDevice(),
BluetoothDevice.METADATA_IS_UNTHETHERED_HEADSET);
return unthetheredHeadset ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mLayoutPreference = screen.findPreference(getPreferenceKey());
mLayoutPreference.setVisible(isAvailable());
refresh();
}
@Override
public void onStart() {
mCachedDevice.registerCallback(this::onDeviceAttributesChanged);
mBluetoothAdapter.registerMetadataListener(mCachedDevice.getDevice(), mMetadataListener,
mHandler);
}
@Override
public void onStop() {
mCachedDevice.unregisterCallback(this::onDeviceAttributesChanged);
mBluetoothAdapter.unregisterMetadataListener(mCachedDevice.getDevice());
// Destroy icon bitmap associated with this header
for (Bitmap bitmap : mIconCache.values()) {
if (bitmap != null) {
bitmap.recycle();
}
}
mIconCache.clear();
}
public void init(CachedBluetoothDevice cachedBluetoothDevice) {
mCachedDevice = cachedBluetoothDevice;
}
@VisibleForTesting
void refresh() {
if (mLayoutPreference != null && mCachedDevice != null) {
final TextView title = mLayoutPreference.findViewById(R.id.entity_header_title);
title.setText(mCachedDevice.getName());
final TextView summary = mLayoutPreference.findViewById(R.id.entity_header_summary);
summary.setText(mCachedDevice.getConnectionSummary());
if (!mCachedDevice.isConnected()) {
updateDisconnectLayout();
return;
}
updateSubLayout(mLayoutPreference.findViewById(R.id.layout_left),
BluetoothDevice.METADATA_UNTHETHERED_LEFT_ICON,
BluetoothDevice.METADATA_UNTHETHERED_LEFT_BATTERY,
BluetoothDevice.METADATA_UNTHETHERED_LEFT_CHARGING,
R.string.bluetooth_left_name);
updateSubLayout(mLayoutPreference.findViewById(R.id.layout_middle),
BluetoothDevice.METADATA_UNTHETHERED_CASE_ICON,
BluetoothDevice.METADATA_UNTHETHERED_CASE_BATTERY,
BluetoothDevice.METADATA_UNTHETHERED_CASE_CHARGING,
R.string.bluetooth_middle_name);
updateSubLayout(mLayoutPreference.findViewById(R.id.layout_right),
BluetoothDevice.METADATA_UNTHETHERED_RIGHT_ICON,
BluetoothDevice.METADATA_UNTHETHERED_RIGHT_BATTERY,
BluetoothDevice.METADATA_UNTHETHERED_RIGHT_CHARGING,
R.string.bluetooth_right_name);
}
}
@VisibleForTesting
Drawable createBtBatteryIcon(Context context, int level, boolean charging) {
final BatteryMeterView.BatteryMeterDrawable drawable =
new BatteryMeterView.BatteryMeterDrawable(context,
context.getColor(R.color.meter_background_color));
drawable.setBatteryLevel(level);
drawable.setColorFilter(new PorterDuffColorFilter(
com.android.settings.Utils.getColorAttrDefaultColor(context,
android.R.attr.colorControlNormal),
PorterDuff.Mode.SRC_IN));
drawable.setCharging(charging);
return drawable;
}
private void updateSubLayout(LinearLayout linearLayout, int iconMetaKey, int batteryMetaKey,
int chargeMetaKey, int titleResId) {
if (linearLayout == null) {
return;
}
final BluetoothDevice bluetoothDevice = mCachedDevice.getDevice();
final String iconUri = Utils.getStringMetaData(bluetoothDevice, iconMetaKey);
if (iconUri != null) {
final ImageView imageView = linearLayout.findViewById(R.id.header_icon);
updateIcon(imageView, iconUri);
}
final int batteryLevel = Utils.getIntMetaData(bluetoothDevice, batteryMetaKey);
final boolean charging = Utils.getBooleanMetaData(bluetoothDevice, chargeMetaKey);
if (batteryLevel != Utils.META_INT_ERROR) {
linearLayout.setVisibility(View.VISIBLE);
final ImageView imageView = linearLayout.findViewById(R.id.bt_battery_icon);
imageView.setImageDrawable(createBtBatteryIcon(mContext, batteryLevel, charging));
imageView.setVisibility(View.VISIBLE);
final TextView textView = linearLayout.findViewById(R.id.bt_battery_summary);
textView.setText(com.android.settings.Utils.formatPercentage(batteryLevel));
textView.setVisibility(View.VISIBLE);
} else {
// Hide it if it doesn't have battery information
linearLayout.setVisibility(View.GONE);
}
final TextView textView = linearLayout.findViewById(R.id.header_title);
textView.setText(titleResId);
textView.setVisibility(View.VISIBLE);
}
private void updateDisconnectLayout() {
mLayoutPreference.findViewById(R.id.layout_left).setVisibility(View.GONE);
mLayoutPreference.findViewById(R.id.layout_right).setVisibility(View.GONE);
// Hide title, battery icon and battery summary
final LinearLayout linearLayout = mLayoutPreference.findViewById(R.id.layout_middle);
linearLayout.setVisibility(View.VISIBLE);
linearLayout.findViewById(R.id.header_title).setVisibility(View.GONE);
linearLayout.findViewById(R.id.bt_battery_summary).setVisibility(View.GONE);
linearLayout.findViewById(R.id.bt_battery_icon).setVisibility(View.GONE);
// Only show bluetooth icon
final BluetoothDevice bluetoothDevice = mCachedDevice.getDevice();
final String iconUri = Utils.getStringMetaData(bluetoothDevice,
BluetoothDevice.METADATA_MAIN_ICON);
if (iconUri != null) {
final ImageView imageView = linearLayout.findViewById(R.id.header_icon);
updateIcon(imageView, iconUri);
}
}
/**
* Update icon by {@code iconUri}. If icon exists in cache, use it; otherwise extract it
* from uri in background thread and update it in main thread.
*/
@VisibleForTesting
void updateIcon(ImageView imageView, String iconUri) {
if (mIconCache.containsKey(iconUri)) {
imageView.setImageBitmap(mIconCache.get(iconUri));
return;
}
ThreadUtils.postOnBackgroundThread(() -> {
try {
final Bitmap bitmap = MediaStore.Images.Media.getBitmap(
mContext.getContentResolver(), Uri.parse(iconUri));
ThreadUtils.postOnMainThread(() -> {
mIconCache.put(iconUri, bitmap);
imageView.setImageBitmap(bitmap);
});
} catch (IOException e) {
Log.e(TAG, "Failed to get bitmap for: " + iconUri);
}
});
}
@Override
public void onDeviceAttributesChanged() {
if (mCachedDevice != null) {
refresh();
}
}
}