| |
| package com.android.server.am; |
| |
| import android.app.AlertDialog; |
| import android.app.admin.DevicePolicyManager; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.DialogInterface.OnClickListener; |
| import android.content.res.Resources; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.provider.Settings; |
| import android.provider.Settings.SettingNotFoundException; |
| import android.util.Slog; |
| import android.view.WindowManager; |
| import android.view.accessibility.AccessibilityManager; |
| import android.widget.CheckBox; |
| |
| import com.android.internal.R; |
| import com.android.internal.widget.ILockSettings; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.internal.widget.LockPatternUtilsCache; |
| |
| public class LockToAppRequestDialog implements OnClickListener { |
| private static final String TAG = "ActivityManager"; |
| |
| final private Context mContext; |
| final private ActivityManagerService mService; |
| |
| private AlertDialog mDialog; |
| private TaskRecord mRequestedTask; |
| |
| private CheckBox mCheckbox; |
| |
| private ILockSettings mLockSettingsService; |
| |
| private AccessibilityManager mAccessibilityService; |
| |
| public LockToAppRequestDialog(Context context, ActivityManagerService activityManagerService) { |
| mContext = context; |
| mAccessibilityService = (AccessibilityManager) |
| mContext.getSystemService(Context.ACCESSIBILITY_SERVICE); |
| mService = activityManagerService; |
| } |
| |
| private ILockSettings getLockSettings() { |
| if (mLockSettingsService == null) { |
| mLockSettingsService = LockPatternUtilsCache.getInstance( |
| ILockSettings.Stub.asInterface(ServiceManager.getService("lock_settings"))); |
| } |
| return mLockSettingsService; |
| } |
| |
| private int getLockString(int userId) { |
| try { |
| int quality = (int) getLockSettings().getLong(LockPatternUtils.PASSWORD_TYPE_KEY, |
| DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, userId); |
| switch (quality) { |
| case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: |
| return R.string.lock_to_app_unlock_pin; |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: |
| return R.string.lock_to_app_unlock_password; |
| case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: |
| if (getLockSettings().getBoolean(Settings.Secure.LOCK_PATTERN_ENABLED, false, |
| userId)) { |
| return R.string.lock_to_app_unlock_pattern; |
| } |
| } |
| } catch (RemoteException e) { |
| } |
| return 0; |
| } |
| |
| public void clearPrompt() { |
| if (mDialog != null) { |
| mDialog.dismiss(); |
| mDialog = null; |
| } |
| } |
| |
| public void showLockTaskPrompt(TaskRecord task) { |
| clearPrompt(); |
| mRequestedTask = task; |
| final int unlockStringId = getLockString(task.userId); |
| |
| final Resources r = Resources.getSystem(); |
| final String description= r.getString(mAccessibilityService.isEnabled() |
| ? R.string.lock_to_app_description_accessible |
| : R.string.lock_to_app_description); |
| AlertDialog.Builder builder = new AlertDialog.Builder(mContext) |
| .setTitle(r.getString(R.string.lock_to_app_title)) |
| .setMessage(description) |
| .setPositiveButton(r.getString(R.string.lock_to_app_positive), this) |
| .setNegativeButton(r.getString(R.string.lock_to_app_negative), this); |
| if (unlockStringId != 0) { |
| builder.setView(R.layout.lock_to_app_checkbox); |
| } |
| mDialog = builder.create(); |
| |
| mDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); |
| mDialog.getWindow().getAttributes().privateFlags |= |
| WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS; |
| mDialog.show(); |
| |
| if (unlockStringId != 0) { |
| String unlockString = mContext.getString(unlockStringId); |
| mCheckbox = (CheckBox) mDialog.findViewById(R.id.lock_to_app_checkbox); |
| mCheckbox.setText(unlockString); |
| |
| // Remember state. |
| try { |
| boolean useLock = Settings.System.getInt(mContext.getContentResolver(), |
| Settings.System.LOCK_TO_APP_EXIT_LOCKED) != 0; |
| mCheckbox.setChecked(useLock); |
| } catch (SettingNotFoundException e) { |
| } |
| } else { |
| mCheckbox = null; |
| } |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| if (DialogInterface.BUTTON_POSITIVE == which) { |
| Slog.d(TAG, "accept lock-to-app request"); |
| // Set whether to use the lock screen when exiting. |
| Settings.System.putInt(mContext.getContentResolver(), |
| Settings.System.LOCK_TO_APP_EXIT_LOCKED, |
| mCheckbox != null && mCheckbox.isChecked() ? 1 : 0); |
| |
| // Start lock-to-app. |
| mService.startLockTaskMode(mRequestedTask); |
| } else { |
| Slog.d(TAG, "ignore lock-to-app request"); |
| } |
| } |
| |
| } |