| /* |
| * 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.systemui.statusbar.car; |
| |
| import android.app.admin.DevicePolicyManager; |
| import android.bluetooth.BluetoothAdapter; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.res.Resources; |
| import android.graphics.PixelFormat; |
| import android.os.Handler; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.WindowManager; |
| import android.widget.Button; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.systemui.R; |
| import com.android.systemui.dagger.qualifiers.Main; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| /** |
| * A helper class displays an unlock dialog and receives broadcast about detecting trusted device |
| * & unlocking state to show the appropriate message on the dialog. |
| */ |
| @Singleton |
| class CarTrustAgentUnlockDialogHelper extends BroadcastReceiver{ |
| private static final String TAG = CarTrustAgentUnlockDialogHelper.class.getSimpleName(); |
| |
| private final Context mContext; |
| private final Resources mResources; |
| private final WindowManager mWindowManager; |
| private final UserManager mUserManager; |
| private final WindowManager.LayoutParams mParams; |
| /** |
| * Not using Dialog because context passed from {@link FullscreenUserSwitcher} is not an |
| * activity. |
| */ |
| private final View mUnlockDialogLayout; |
| private final TextView mUnlockingText; |
| private final Button mButton; |
| private final IntentFilter mFilter; |
| private int mUid; |
| private boolean mIsDialogShowing; |
| private OnHideListener mOnHideListener; |
| |
| @Inject |
| CarTrustAgentUnlockDialogHelper(Context context, @Main Resources resources, |
| UserManager userManager, WindowManager windowManager) { |
| mContext = context; |
| mResources = resources; |
| mUserManager = userManager; |
| mWindowManager = windowManager; |
| mParams = createLayoutParams(); |
| mFilter = getIntentFilter(); |
| |
| mParams.packageName = mContext.getPackageName(); |
| mParams.setTitle(mContext.getString(R.string.unlock_dialog_title)); |
| |
| mUnlockDialogLayout = LayoutInflater.from(mContext).inflate( |
| R.layout.trust_agent_unlock_dialog, null); |
| mUnlockDialogLayout.setLayoutParams(mParams); |
| |
| View dialogParent = mUnlockDialogLayout.findViewById(R.id.unlock_dialog_parent); |
| dialogParent.setOnTouchListener((v, event)-> { |
| hideUnlockDialog(/* dismissUserSwitcher= */ false); |
| return true; |
| }); |
| View unlockDialog = mUnlockDialogLayout.findViewById(R.id.unlock_dialog); |
| unlockDialog.setOnTouchListener((v, event) -> { |
| // If the person taps inside the unlock dialog, the touch event will be intercepted here |
| // and the dialog will not exit |
| return true; |
| }); |
| mUnlockingText = mUnlockDialogLayout.findViewById(R.id.unlocking_text); |
| mButton = mUnlockDialogLayout.findViewById(R.id.enter_pin_button); |
| mButton.setOnClickListener(v -> { |
| hideUnlockDialog(/* dismissUserSwitcher= */true); |
| // TODO(b/138250105) Stop unlock advertising |
| }); |
| |
| BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); |
| if (bluetoothAdapter != null |
| && bluetoothAdapter.getLeState() == BluetoothAdapter.STATE_BLE_ON) { |
| mUnlockingText.setText(R.string.unlock_dialog_message_start); |
| } |
| } |
| |
| /** |
| * This filter is listening on: |
| * {@link BluetoothAdapter#ACTION_BLE_STATE_CHANGED} for starting unlock advertising; |
| * {@link Intent#ACTION_USER_UNLOCKED} for IHU unlocked |
| */ |
| private IntentFilter getIntentFilter() { |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(BluetoothAdapter.ACTION_BLE_STATE_CHANGED); |
| filter.addAction(Intent.ACTION_USER_UNLOCKED); |
| return filter; |
| } |
| |
| /** |
| * Show dialog for the given user |
| */ |
| void showUnlockDialog(int uid, OnHideListener listener) { |
| showUnlockDialogAfterDelay(uid, 0, listener); |
| } |
| |
| /** |
| * Show dialog for the given user after the certain time of delay has elapsed |
| * |
| * @param uid the user to unlock |
| * @param listener listener that listens to dialog hide |
| */ |
| void showUnlockDialogAfterDelay(int uid, OnHideListener listener) { |
| long delayMillis = mResources.getInteger(R.integer.unlock_dialog_delay_ms); |
| showUnlockDialogAfterDelay(uid, delayMillis, listener); |
| } |
| |
| /** |
| * Show dialog for the given user after the supplied delay has elapsed |
| */ |
| private void showUnlockDialogAfterDelay(int uid, long delayMillis, OnHideListener listener) { |
| setUid(uid); |
| mOnHideListener = listener; |
| if (!mIsDialogShowing) { |
| logd("Receiver registered"); |
| mContext.registerReceiverAsUser(this, UserHandle.ALL, mFilter, |
| /* broadcastPermission= */ null, |
| /* scheduler= */ null); |
| new Handler().postDelayed(() -> { |
| if (!mUserManager.isUserUnlocked(uid)) { |
| logd("Showed unlock dialog for user: " + uid + " after " + delayMillis |
| + " delay."); |
| mWindowManager.addView(mUnlockDialogLayout, mParams); |
| } |
| }, delayMillis); |
| } |
| mIsDialogShowing = true; |
| } |
| |
| private void setUid(int uid) { |
| mUid = uid; |
| TextView userName = mUnlockDialogLayout.findViewById(R.id.user_name); |
| userName.setText(mUserManager.getUserInfo(mUid).name); |
| ImageView avatar = mUnlockDialogLayout.findViewById(R.id.avatar); |
| avatar.setImageBitmap(mUserManager.getUserIcon(mUid)); |
| setButtonText(); |
| } |
| |
| private void hideUnlockDialog(boolean dismissUserSwitcher) { |
| if (!mIsDialogShowing) { |
| return; |
| } |
| mWindowManager.removeView(mUnlockDialogLayout); |
| logd("Receiver unregistered"); |
| mContext.unregisterReceiver(this); |
| if (mOnHideListener != null) { |
| mOnHideListener.onHide(dismissUserSwitcher); |
| } |
| mIsDialogShowing = false; |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (action == null) { |
| return; |
| } |
| switch (action) { |
| case BluetoothAdapter.ACTION_BLE_STATE_CHANGED: |
| logd("Received ACTION_BLE_STATE_CHANGED"); |
| int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, -1); |
| if (state == BluetoothAdapter.STATE_BLE_ON) { |
| logd("Received BLE_ON"); |
| mUnlockingText.setText(R.string.unlock_dialog_message_start); |
| } |
| break; |
| case Intent.ACTION_USER_UNLOCKED: |
| int uid = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); |
| if (uid == mUid) { |
| logd("IHU unlocked"); |
| hideUnlockDialog(/* notifyOnHideListener= */false); |
| } else { |
| Log.e(TAG, "Received ACTION_USER_UNLOCKED for unexpected uid: " + uid); |
| } |
| break; |
| default: |
| Log.e(TAG, "Encountered unexpected action when attempting to set " |
| + "unlock state message: " + action); |
| } |
| } |
| |
| // Set button text based on screen lock type |
| private void setButtonText() { |
| LockPatternUtils lockPatternUtils = new LockPatternUtils(mContext); |
| int passwordQuality = lockPatternUtils.getActivePasswordQuality(mUid); |
| switch (passwordQuality) { |
| // PIN |
| case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: |
| mButton.setText(R.string.unlock_dialog_button_text_pin); |
| break; |
| // Pattern |
| case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: |
| mButton.setText(R.string.unlock_dialog_button_text_pattern); |
| break; |
| // Password |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: |
| mButton.setText(R.string.unlock_dialog_button_text_password); |
| break; |
| default: |
| Log.e(TAG, "Encountered unexpected screen lock type when attempting to set " |
| + "button text:" + passwordQuality); |
| } |
| } |
| |
| private WindowManager.LayoutParams createLayoutParams() { |
| final WindowManager.LayoutParams attrs = new WindowManager.LayoutParams( |
| WindowManager.LayoutParams.MATCH_PARENT, |
| WindowManager.LayoutParams.MATCH_PARENT, |
| WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG, |
| WindowManager.LayoutParams.FLAG_FULLSCREEN |
| | WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS |
| | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION, |
| PixelFormat.TRANSLUCENT |
| ); |
| attrs.setFitWindowInsetsTypes(0 /* types */); |
| return attrs; |
| } |
| |
| private void logd(String message) { |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, message); |
| } |
| } |
| |
| /** |
| * Listener used to notify when the dialog is hidden |
| */ |
| interface OnHideListener { |
| void onHide(boolean dismissUserSwitcher); |
| } |
| } |