Home | History | Annotate | Download | only in browser 
      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.BandwidthPreferencesFragment;
     26 import com.android.browser.preferences.DebugPreferencesFragment;
     27 
     28 import java.util.List;
     29 
     30 public class BrowserPreferencesPage extends PreferenceActivity {
     31 
     32     public static final String CURRENT_PAGE = "currentPage";
     33     private List<Header> mHeaders;
     34 
     35     @Override
     36     public void onCreate(Bundle icicle) {
     37         super.onCreate(icicle);
     38 
     39         ActionBar actionBar = getActionBar();
     40         if (actionBar != null) {
     41             actionBar.setDisplayOptions(
     42                     ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP);
     43         }
     44     }
     45 
     46     /**
     47      * Populate the activity with the top-level headers.
     48      */
     49     @Override
     50     public void onBuildHeaders(List<Header> target) {
     51         loadHeadersFromResource(R.xml.preference_headers, target);
     52 
     53         if (BrowserSettings.getInstance().isDebugEnabled()) {
     54             Header debug = new Header();
     55             debug.title = getText(R.string.pref_development_title);
     56             debug.fragment = DebugPreferencesFragment.class.getName();
     57             target.add(debug);
     58         }
     59         mHeaders = target;
     60     }
     61 
     62     @Override
     63     public Header onGetInitialHeader() {
     64         String action = getIntent().getAction();
     65         if (Intent.ACTION_MANAGE_NETWORK_USAGE.equals(action)) {
     66             String fragName = BandwidthPreferencesFragment.class.getName();
     67             for (Header h : mHeaders) {
     68                 if (fragName.equals(h.fragment)) {
     69                     return h;
     70                 }
     71             }
     72         }
     73         return super.onGetInitialHeader();
     74     }
     75 
     76     @Override
     77     public boolean onOptionsItemSelected(MenuItem item) {
     78         switch (item.getItemId()) {
     79             case android.R.id.home:
     80                 if (getFragmentManager().getBackStackEntryCount() > 0) {
     81                     getFragmentManager().popBackStack();
     82                 } else {
     83                     finish();
     84                 }
     85                 return true;
     86         }
     87 
     88         return false;
     89     }
     90 
     91     @Override
     92     public Intent onBuildStartFragmentIntent(String fragmentName, Bundle args,
     93             int titleRes, int shortTitleRes) {
     94         Intent intent = super.onBuildStartFragmentIntent(fragmentName, args,
     95                 titleRes, shortTitleRes);
     96         String url = getIntent().getStringExtra(CURRENT_PAGE);
     97         intent.putExtra(CURRENT_PAGE, url);
     98         return intent;
     99     }
    100 
    101 }
    102