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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package com.android.settings.password;
     18 
     19 import android.app.Fragment;
     20 import android.app.KeyguardManager;
     21 import android.os.Bundle;
     22 import android.os.UserManager;
     23 import android.view.MenuItem;
     24 import android.view.WindowManager;
     25 import android.widget.LinearLayout;
     26 
     27 import com.android.settings.R;
     28 import com.android.settings.SettingsActivity;
     29 import com.android.settings.SetupWizardUtils;
     30 import com.android.settings.Utils;
     31 
     32 public abstract class ConfirmDeviceCredentialBaseActivity extends SettingsActivity {
     33 
     34     private static final String STATE_IS_KEYGUARD_LOCKED = "STATE_IS_KEYGUARD_LOCKED";
     35 
     36     enum ConfirmCredentialTheme {
     37         INTERNAL,
     38         DARK,
     39         WORK
     40     }
     41 
     42     private boolean mRestoring;
     43     private boolean mEnterAnimationPending;
     44     private boolean mFirstTimeVisible = true;
     45     private boolean mIsKeyguardLocked = false;
     46     private ConfirmCredentialTheme mConfirmCredentialTheme;
     47 
     48     @Override
     49     protected void onCreate(Bundle savedState) {
     50         int credentialOwnerUserId = Utils.getCredentialOwnerUserId(this,
     51                 Utils.getUserIdFromBundle(this, getIntent().getExtras()));
     52         if (UserManager.get(this).isManagedProfile(credentialOwnerUserId)) {
     53             setTheme(R.style.Theme_ConfirmDeviceCredentialsWork);
     54             mConfirmCredentialTheme = ConfirmCredentialTheme.WORK;
     55         } else if (getIntent().getBooleanExtra(
     56                 ConfirmDeviceCredentialBaseFragment.DARK_THEME, false)) {
     57             setTheme(R.style.Theme_ConfirmDeviceCredentialsDark);
     58             mConfirmCredentialTheme = ConfirmCredentialTheme.DARK;
     59         } else {
     60             setTheme(SetupWizardUtils.getTheme(getIntent()));
     61             mConfirmCredentialTheme = ConfirmCredentialTheme.INTERNAL;
     62         }
     63         super.onCreate(savedState);
     64 
     65         if (mConfirmCredentialTheme == ConfirmCredentialTheme.INTERNAL) {
     66             // Prevent the content parent from consuming the window insets because GlifLayout uses
     67             // it to show the status bar background.
     68             LinearLayout layout = (LinearLayout) findViewById(R.id.content_parent);
     69             layout.setFitsSystemWindows(false);
     70         }
     71         getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
     72         mIsKeyguardLocked = savedState == null
     73                 ? getSystemService(KeyguardManager.class).isKeyguardLocked()
     74                 : savedState.getBoolean(STATE_IS_KEYGUARD_LOCKED, false);
     75         // If the activity is launched, not due to config change, when keyguard is locked and the
     76         // flag is set, assume it's launched on top of keyguard on purpose.
     77         // TODO: Don't abuse SHOW_WHEN_LOCKED and don't check isKeyguardLocked.
     78         // Set extra SHOW_WHEN_LOCKED and WindowManager FLAG_SHOW_WHEN_LOCKED only if it's
     79         // truly on top of keyguard on purpose
     80         if (mIsKeyguardLocked && getIntent().getBooleanExtra(
     81                 ConfirmDeviceCredentialBaseFragment.SHOW_WHEN_LOCKED, false)) {
     82             getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
     83         }
     84         CharSequence msg = getIntent().getStringExtra(
     85                 ConfirmDeviceCredentialBaseFragment.TITLE_TEXT);
     86         setTitle(msg);
     87         if (getActionBar() != null) {
     88             getActionBar().setDisplayHomeAsUpEnabled(true);
     89             getActionBar().setHomeButtonEnabled(true);
     90         }
     91         mRestoring = savedState != null;
     92     }
     93 
     94     @Override
     95     public void onSaveInstanceState(Bundle outState) {
     96         super.onSaveInstanceState(outState);
     97         outState.putBoolean(STATE_IS_KEYGUARD_LOCKED, mIsKeyguardLocked);
     98     }
     99 
    100     @Override
    101     public boolean onOptionsItemSelected(MenuItem item) {
    102         if (item.getItemId() == android.R.id.home) {
    103             finish();
    104             return true;
    105         }
    106         return super.onOptionsItemSelected(item);
    107     }
    108 
    109     @Override
    110     public void onResume() {
    111         super.onResume();
    112         if (!isChangingConfigurations() && !mRestoring
    113                 && mConfirmCredentialTheme == ConfirmCredentialTheme.DARK && mFirstTimeVisible) {
    114             mFirstTimeVisible = false;
    115             prepareEnterAnimation();
    116             mEnterAnimationPending = true;
    117         }
    118     }
    119 
    120     private ConfirmDeviceCredentialBaseFragment getFragment() {
    121         Fragment fragment = getFragmentManager().findFragmentById(R.id.main_content);
    122         if (fragment != null && fragment instanceof ConfirmDeviceCredentialBaseFragment) {
    123             return (ConfirmDeviceCredentialBaseFragment) fragment;
    124         }
    125         return null;
    126     }
    127 
    128     @Override
    129     public void onEnterAnimationComplete() {
    130         super.onEnterAnimationComplete();
    131         if (mEnterAnimationPending) {
    132             startEnterAnimation();
    133             mEnterAnimationPending = false;
    134         }
    135     }
    136 
    137     public void prepareEnterAnimation() {
    138         getFragment().prepareEnterAnimation();
    139     }
    140 
    141     public void startEnterAnimation() {
    142         getFragment().startEnterAnimation();
    143     }
    144 
    145     public ConfirmCredentialTheme getConfirmCredentialTheme() {
    146         return mConfirmCredentialTheme;
    147     }
    148 }
    149