The Tor Browser / file comparison
comparison: mobile/android/base/preferences/SearchPreferenceCategory.java
mobile/android/base/preferences/SearchPreferenceCategory.java
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 package org.mozilla.gecko.preferences; | |
| 6 | |
| 7 import android.content.Context; | |
| 8 import android.preference.Preference; | |
| 9 import android.util.AttributeSet; | |
| 10 import android.util.Log; | |
| 11 | |
| 12 import org.json.JSONArray; | |
| 13 import org.json.JSONException; | |
| 14 import org.json.JSONObject; | |
| 15 | |
| 16 import org.mozilla.gecko.GeckoAppShell; | |
| 17 import org.mozilla.gecko.GeckoEvent; | |
| 18 import org.mozilla.gecko.util.GeckoEventListener; | |
| 19 import org.mozilla.gecko.util.ThreadUtils; | |
| 20 | |
| 21 public class SearchPreferenceCategory extends CustomListCategory implements GeckoEventListener { | |
| 22 public static final String LOGTAG = "SearchPrefCategory"; | |
| 23 | |
| 24 public SearchPreferenceCategory(Context context) { | |
| 25 super(context); | |
| 26 } | |
| 27 | |
| 28 public SearchPreferenceCategory(Context context, AttributeSet attrs) { | |
| 29 super(context, attrs); | |
| 30 } | |
| 31 | |
| 32 public SearchPreferenceCategory(Context context, AttributeSet attrs, int defStyle) { | |
| 33 super(context, attrs, defStyle); | |
| 34 } | |
| 35 | |
| 36 @Override | |
| 37 protected void onAttachedToActivity() { | |
| 38 super.onAttachedToActivity(); | |
| 39 | |
| 40 // Register for SearchEngines messages and request list of search engines from Gecko. | |
| 41 GeckoAppShell.registerEventListener("SearchEngines:Data", this); | |
| 42 GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("SearchEngines:GetVisible", null)); | |
| 43 } | |
| 44 | |
| 45 @Override | |
| 46 protected void onPrepareForRemoval() { | |
| 47 GeckoAppShell.unregisterEventListener("SearchEngines:Data", this); | |
| 48 } | |
| 49 | |
| 50 @Override | |
| 51 public void setDefault(CustomListPreference item) { | |
| 52 super.setDefault(item); | |
| 53 | |
| 54 sendGeckoEngineEvent("SearchEngines:SetDefault", item.getTitle().toString()); | |
| 55 } | |
| 56 | |
| 57 @Override | |
| 58 public void uninstall(CustomListPreference item) { | |
| 59 super.uninstall(item); | |
| 60 | |
| 61 sendGeckoEngineEvent("SearchEngines:Remove", item.getTitle().toString()); | |
| 62 } | |
| 63 | |
| 64 @Override | |
| 65 public void handleMessage(String event, final JSONObject data) { | |
| 66 if (event.equals("SearchEngines:Data")) { | |
| 67 // Parse engines array from JSON. | |
| 68 JSONArray engines; | |
| 69 try { | |
| 70 engines = data.getJSONArray("searchEngines"); | |
| 71 } catch (JSONException e) { | |
| 72 Log.e(LOGTAG, "Unable to decode search engine data from Gecko.", e); | |
| 73 return; | |
| 74 } | |
| 75 | |
| 76 // Clear the preferences category from this thread. | |
| 77 this.removeAll(); | |
| 78 | |
| 79 // Create an element in this PreferenceCategory for each engine. | |
| 80 for (int i = 0; i < engines.length(); i++) { | |
| 81 try { | |
| 82 JSONObject engineJSON = engines.getJSONObject(i); | |
| 83 final String engineName = engineJSON.getString("name"); | |
| 84 | |
| 85 final SearchEnginePreference enginePreference = new SearchEnginePreference(getContext(), this); | |
| 86 enginePreference.setSearchEngineFromJSON(engineJSON); | |
| 87 enginePreference.setOnPreferenceClickListener(new OnPreferenceClickListener() { | |
| 88 @Override | |
| 89 public boolean onPreferenceClick(Preference preference) { | |
| 90 SearchEnginePreference sPref = (SearchEnginePreference) preference; | |
| 91 // Display the configuration dialog associated with the tapped engine. | |
| 92 sPref.showDialog(); | |
| 93 return true; | |
| 94 } | |
| 95 }); | |
| 96 | |
| 97 addPreference(enginePreference); | |
| 98 | |
| 99 // The first element in the array is the default engine. | |
| 100 if (i == 0) { | |
| 101 // We set this here, not in setSearchEngineFromJSON, because it allows us to | |
| 102 // keep a reference to the default engine to use when the AlertDialog | |
| 103 // callbacks are used. | |
| 104 ThreadUtils.postToUiThread(new Runnable() { | |
| 105 @Override | |
| 106 public void run() { | |
| 107 enginePreference.setIsDefault(true); | |
| 108 } | |
| 109 }); | |
| 110 mDefaultReference = enginePreference; | |
| 111 } | |
| 112 } catch (JSONException e) { | |
| 113 Log.e(LOGTAG, "JSONException parsing engine at index " + i, e); | |
| 114 } | |
| 115 } | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 /** | |
| 120 * Helper method to send a particular event string to Gecko with an associated engine name. | |
| 121 * @param event The type of event to send. | |
| 122 * @param engine The engine to which the event relates. | |
| 123 */ | |
| 124 private void sendGeckoEngineEvent(String event, String engineName) { | |
| 125 JSONObject json = new JSONObject(); | |
| 126 try { | |
| 127 json.put("engine", engineName); | |
| 128 } catch (JSONException e) { | |
| 129 Log.e(LOGTAG, "JSONException creating search engine configuration change message for Gecko.", e); | |
| 130 return; | |
| 131 } | |
| 132 GeckoAppShell.notifyGeckoOfEvent(GeckoEvent.createBroadcastEvent(event, json.toString())); | |
| 133 } | |
| 134 } |
