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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;
     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 public abstract class ConfirmDeviceCredentialBaseActivity extends SettingsActivity {
     28 
     29     private static final String STATE_IS_KEYGUARD_LOCKED = "STATE_IS_KEYGUARD_LOCKED";
     30 
     31     enum ConfirmCredentialTheme {
     32         INTERNAL,
     33         DARK,
     34         WORK
     35     }
     36 
     37     private boolean mRestoring;
     38     private boolean mEnterAnimationPending;
     39     private boolean mFirstTimeVisible = true;
     40     private boolean mIsKeyguardLocked = false;
     41     private ConfirmCredentialTheme mConfirmCredentialTheme;
     42 
     43     @Override
     44     protected void onCreate(Bundle savedState) {
     45         int credentialOwnerUserId = Utils.getCredentialOwnerUserId(this,
     46                 Utils.getUserIdFromBundle(this, getIntent().getExtras()));
     47         if (UserManager.get(this).isManagedProfile(credentialOwnerUserId)) {
     48             setTheme(R.style.Theme_ConfirmDeviceCredentialsWork);
     49             mConfirmCredentialTheme = ConfirmCredentialTheme.WORK;
     50         } else if (getIntent().getBooleanExtra(
     51                 ConfirmDeviceCredentialBaseFragment.DARK_THEME, false)) {
     52             setTheme(R.style.Theme_ConfirmDeviceCredentialsDark);
     53             mConfirmCredentialTheme = ConfirmCredentialTheme.DARK;
     54         } else {
     55             setTheme(R.style.SetupWizardTheme_Light);
     56             mConfirmCredentialTheme = ConfirmCredentialTheme.INTERNAL;
     57         }
     58         super.onCreate(savedState);
     59 
     60         if (mConfirmCredentialTheme == ConfirmCredentialTheme.INTERNAL) {
     61             // Prevent the content parent from consuming the window insets because GlifLayout uses
     62             // it to show the status bar background.
     63             LinearLayout layout = (LinearLayout) findViewById(R.id.content_parent);
     64             layout.setFitsSystemWindows(false);
     65         }
     66 
     67         mIsKeyguardLocked = savedState == null
     68                 ? getSystemService(KeyguardManager.class).isKeyguardLocked()
     69                 : savedState.getBoolean(STATE_IS_KEYGUARD_LOCKED, false);
     70         // If the activity is launched, not due to config change, when keyguard is locked and the
     71         // flag is set, assume it's launched on top of keyguard on purpose.
     72         // TODO: Don't abuse SHOW_WHEN_LOCKED and don't check isKeyguardLocked.
     73         // Set extra SHOW_WHEN_LOCKED and WindowManager FLAG_SHOW_WHEN_LOCKED only if it's
     74         // truly on top of keyguard on purpose
     75         if (mIsKeyguardLocked && getIntent().getBooleanExtra(
     76                 ConfirmDeviceCredentialBaseFragment.SHOW_WHEN_LOCKED, false)) {
     77             getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
     78         }
     79         CharSequence msg = getIntent().getStringExtra(
     80                 ConfirmDeviceCredentialBaseFragment.TITLE_TEXT);
     81         setTitle(msg);
     82         if (getActionBar() != null) {
     83             getActionBar().setDisplayHomeAsUpEnabled(true);
     84             getActionBar().setHomeButtonEnabled(true);
     85         }
     86         mRestoring = savedState != null;
     87     }
     88 
     89     @Override
     90     public void onSaveInstanceState(Bundle outState) {
     91         super.onSaveInstanceState(outState);
     92         outState.putBoolean(STATE_IS_KEYGUARD_LOCKED, mIsKeyguardLocked);
     93     }
     94 
     95     @Override
     96     public boolean onOptionsItemSelected(MenuItem item) {
     97         if (item.getItemId() == android.R.id.home) {
     98             finish();
     99             return true;
    100         }
    101         return super.onOptionsItemSelected(item);
    102     }
    103 
    104     @Override
    105     public void onResume() {
    106         super.onResume();
    107         if (!isChangingConfigurations() && !mRestoring
    108                 && mConfirmCredentialTheme == ConfirmCredentialTheme.DARK && mFirstTimeVisible) {
    109             mFirstTimeVisible = false;
    110             prepareEnterAnimation();
    111             mEnterAnimationPending = true;
    112         }
    113     }
    114 
    115     private ConfirmDeviceCredentialBaseFragment getFragment() {
    116         Fragment fragment = getFragmentManager().findFragmentById(R.id.main_content);
    117         if (fragment != null && fragment instanceof ConfirmDeviceCredentialBaseFragment) {
    118             return (ConfirmDeviceCredentialBaseFragment) fragment;
    119         }
    120         return null;
    121     }
    122 
    123     @Override
    124     public void onEnterAnimationComplete() {
    125         super.onEnterAnimationComplete();
    126         if (mEnterAnimationPending) {
    127             startEnterAnimation();
    128             mEnterAnimationPending = false;
    129         }
    130     }
    131 
    132     public void prepareEnterAnimation() {
    133         getFragment().prepareEnterAnimation();
    134     }
    135 
    136     public void startEnterAnimation() {
    137         getFragment().startEnterAnimation();
    138     }
    139 
    140     public ConfirmCredentialTheme getConfirmCredentialTheme() {
    141         return mConfirmCredentialTheme;
    142     }
    143 }
    144