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      1 /*
      2  * Copyright (C) 2012 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.inputmethod.latin.settings;
     18 
     19 import com.android.inputmethod.latin.permissions.PermissionsManager;
     20 import com.android.inputmethod.latin.utils.FragmentUtils;
     21 import com.android.inputmethod.latin.utils.StatsUtils;
     22 import com.android.inputmethod.latin.utils.StatsUtilsManager;
     23 
     24 import android.app.ActionBar;
     25 import android.content.Intent;
     26 import android.os.Bundle;
     27 import android.preference.PreferenceActivity;
     28 import android.support.v4.app.ActivityCompat;
     29 import android.view.MenuItem;
     30 
     31 public final class SettingsActivity extends PreferenceActivity
     32         implements ActivityCompat.OnRequestPermissionsResultCallback {
     33     private static final String DEFAULT_FRAGMENT = SettingsFragment.class.getName();
     34 
     35     public static final String EXTRA_SHOW_HOME_AS_UP = "show_home_as_up";
     36     public static final String EXTRA_ENTRY_KEY = "entry";
     37     public static final String EXTRA_ENTRY_VALUE_LONG_PRESS_COMMA = "long_press_comma";
     38     public static final String EXTRA_ENTRY_VALUE_APP_ICON = "app_icon";
     39     public static final String EXTRA_ENTRY_VALUE_NOTICE_DIALOG = "important_notice";
     40     public static final String EXTRA_ENTRY_VALUE_SYSTEM_SETTINGS = "system_settings";
     41 
     42     private boolean mShowHomeAsUp;
     43 
     44     @Override
     45     protected void onCreate(final Bundle savedState) {
     46         super.onCreate(savedState);
     47         final ActionBar actionBar = getActionBar();
     48         final Intent intent = getIntent();
     49         if (actionBar != null) {
     50             mShowHomeAsUp = intent.getBooleanExtra(EXTRA_SHOW_HOME_AS_UP, true);
     51             actionBar.setDisplayHomeAsUpEnabled(mShowHomeAsUp);
     52             actionBar.setHomeButtonEnabled(mShowHomeAsUp);
     53         }
     54         StatsUtils.onSettingsActivity(
     55                 intent.hasExtra(EXTRA_ENTRY_KEY) ? intent.getStringExtra(EXTRA_ENTRY_KEY)
     56                         : EXTRA_ENTRY_VALUE_SYSTEM_SETTINGS);
     57     }
     58 
     59     @Override
     60     public boolean onOptionsItemSelected(final MenuItem item) {
     61         if (mShowHomeAsUp && item.getItemId() == android.R.id.home) {
     62             finish();
     63             return true;
     64         }
     65         return super.onOptionsItemSelected(item);
     66     }
     67 
     68     @Override
     69     public Intent getIntent() {
     70         final Intent intent = super.getIntent();
     71         final String fragment = intent.getStringExtra(EXTRA_SHOW_FRAGMENT);
     72         if (fragment == null) {
     73             intent.putExtra(EXTRA_SHOW_FRAGMENT, DEFAULT_FRAGMENT);
     74         }
     75         intent.putExtra(EXTRA_NO_HEADERS, true);
     76         return intent;
     77     }
     78 
     79     @Override
     80     public boolean isValidFragment(final String fragmentName) {
     81         return FragmentUtils.isValidFragment(fragmentName);
     82     }
     83 
     84     @Override
     85     public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
     86         PermissionsManager.get(this).onRequestPermissionsResult(requestCode, permissions, grantResults);
     87     }
     88 }
     89