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      1 /*
      2  * Copyright (C) 2008 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.browser;
     18 
     19 import android.app.ActionBar;
     20 import android.content.Intent;
     21 import android.os.Bundle;
     22 import android.preference.PreferenceActivity;
     23 import android.view.MenuItem;
     24 
     25 import com.android.browser.preferences.AccessibilityPreferencesFragment;
     26 import com.android.browser.preferences.AdvancedPreferencesFragment;
     27 import com.android.browser.preferences.BandwidthPreferencesFragment;
     28 import com.android.browser.preferences.DebugPreferencesFragment;
     29 import com.android.browser.preferences.GeneralPreferencesFragment;
     30 import com.android.browser.preferences.LabPreferencesFragment;
     31 import com.android.browser.preferences.PrivacySecurityPreferencesFragment;
     32 import com.android.browser.preferences.WebsiteSettingsFragment;
     33 
     34 import java.util.List;
     35 
     36 public class BrowserPreferencesPage extends PreferenceActivity {
     37 
     38     public static final String CURRENT_PAGE = "currentPage";
     39     private List<Header> mHeaders;
     40 
     41     @Override
     42     public void onCreate(Bundle icicle) {
     43         super.onCreate(icicle);
     44 
     45         ActionBar actionBar = getActionBar();
     46         if (actionBar != null) {
     47             actionBar.setDisplayOptions(
     48                     ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP);
     49         }
     50     }
     51 
     52     /**
     53      * Populate the activity with the top-level headers.
     54      */
     55     @Override
     56     public void onBuildHeaders(List<Header> target) {
     57         loadHeadersFromResource(R.xml.preference_headers, target);
     58 
     59         if (BrowserSettings.getInstance().isDebugEnabled()) {
     60             Header debug = new Header();
     61             debug.title = getText(R.string.pref_development_title);
     62             debug.fragment = DebugPreferencesFragment.class.getName();
     63             target.add(debug);
     64         }
     65         mHeaders = target;
     66     }
     67 
     68     @Override
     69     public Header onGetInitialHeader() {
     70         String action = getIntent().getAction();
     71         if (Intent.ACTION_MANAGE_NETWORK_USAGE.equals(action)) {
     72             String fragName = BandwidthPreferencesFragment.class.getName();
     73             for (Header h : mHeaders) {
     74                 if (fragName.equals(h.fragment)) {
     75                     return h;
     76                 }
     77             }
     78         }
     79         return super.onGetInitialHeader();
     80     }
     81 
     82     @Override
     83     public boolean onOptionsItemSelected(MenuItem item) {
     84         switch (item.getItemId()) {
     85             case android.R.id.home:
     86                 if (getFragmentManager().getBackStackEntryCount() > 0) {
     87                     getFragmentManager().popBackStack();
     88                 } else {
     89                     finish();
     90                 }
     91                 return true;
     92         }
     93 
     94         return false;
     95     }
     96 
     97     @Override
     98     public Intent onBuildStartFragmentIntent(String fragmentName, Bundle args,
     99             int titleRes, int shortTitleRes) {
    100         Intent intent = super.onBuildStartFragmentIntent(fragmentName, args,
    101                 titleRes, shortTitleRes);
    102         String url = getIntent().getStringExtra(CURRENT_PAGE);
    103         intent.putExtra(CURRENT_PAGE, url);
    104         return intent;
    105     }
    106 
    107     @Override
    108     protected boolean isValidFragment(String fragmentName) {
    109         return AccessibilityPreferencesFragment.class.getName().equals(fragmentName) ||
    110                 AdvancedPreferencesFragment.class.getName().equals(fragmentName) ||
    111                 BandwidthPreferencesFragment.class.getName().equals(fragmentName) ||
    112                 DebugPreferencesFragment.class.getName().equals(fragmentName) ||
    113                 GeneralPreferencesFragment.class.getName().equals(fragmentName) ||
    114                 LabPreferencesFragment.class.getName().equals(fragmentName) ||
    115                 PrivacySecurityPreferencesFragment.class.getName().equals(fragmentName) ||
    116                 WebsiteSettingsFragment.class.getName().equals(fragmentName);
    117 
    118     }
    119 }
    120