The Tor Browser / file comparison
comparison: mobile/android/base/preferences/SearchEnginePreference.java
mobile/android/base/preferences/SearchEnginePreference.java
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
equal
deleted
inserted
replaced
| -1:000000000000 | 0:b39b9654f6f1 |
|---|---|
| 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 org.json.JSONException; | |
| 8 import org.json.JSONObject; | |
| 9 import org.mozilla.gecko.R; | |
| 10 import org.mozilla.gecko.favicons.Favicons; | |
| 11 import org.mozilla.gecko.favicons.decoders.FaviconDecoder; | |
| 12 import org.mozilla.gecko.util.ThreadUtils; | |
| 13 import org.mozilla.gecko.widget.FaviconView; | |
| 14 | |
| 15 import android.app.AlertDialog; | |
| 16 import android.content.Context; | |
| 17 import android.graphics.Bitmap; | |
| 18 import android.graphics.drawable.BitmapDrawable; | |
| 19 import android.text.SpannableString; | |
| 20 import android.util.Log; | |
| 21 import android.view.View; | |
| 22 import android.widget.Toast; | |
| 23 | |
| 24 /** | |
| 25 * Represents an element in the list of search engines on the preferences menu. | |
| 26 */ | |
| 27 public class SearchEnginePreference extends CustomListPreference { | |
| 28 protected String LOGTAG = "SearchEnginePreference"; | |
| 29 | |
| 30 protected static final int INDEX_REMOVE_BUTTON = 1; | |
| 31 | |
| 32 // The icon to display in the prompt when clicked. | |
| 33 private BitmapDrawable mPromptIcon; | |
| 34 | |
| 35 // The bitmap backing the drawable above - needed separately for the FaviconView. | |
| 36 private Bitmap mIconBitmap; | |
| 37 | |
| 38 private FaviconView mFaviconView; | |
| 39 | |
| 40 public SearchEnginePreference(Context context, SearchPreferenceCategory parentCategory) { | |
| 41 super(context, parentCategory); | |
| 42 } | |
| 43 | |
| 44 /** | |
| 45 * Called by Android when we're bound to the custom view. Allows us to set the custom properties | |
| 46 * of our custom view elements as we desire (We can now use findViewById on them). | |
| 47 * | |
| 48 * @param view The view instance for this Preference object. | |
| 49 */ | |
| 50 @Override | |
| 51 protected void onBindView(View view) { | |
| 52 super.onBindView(view); | |
| 53 | |
| 54 // Set the icon in the FaviconView. | |
| 55 mFaviconView = ((FaviconView) view.findViewById(R.id.search_engine_icon)); | |
| 56 mFaviconView.updateAndScaleImage(mIconBitmap, getTitle().toString()); | |
| 57 } | |
| 58 | |
| 59 @Override | |
| 60 protected int getPreferenceLayoutResource() { | |
| 61 return R.layout.preference_search_engine; | |
| 62 } | |
| 63 | |
| 64 /** | |
| 65 * Returns the strings to be displayed in the dialog. | |
| 66 */ | |
| 67 @Override | |
| 68 protected String[] createDialogItems() { | |
| 69 return new String[] { LABEL_SET_AS_DEFAULT, | |
| 70 LABEL_REMOVE }; | |
| 71 } | |
| 72 | |
| 73 @Override | |
| 74 public void showDialog() { | |
| 75 // If this is the last engine, then we are the default, and none of the options | |
| 76 // on this menu can do anything. | |
| 77 if (mParentCategory.getPreferenceCount() == 1) { | |
| 78 ThreadUtils.postToUiThread(new Runnable() { | |
| 79 @Override | |
| 80 public void run() { | |
| 81 Toast.makeText(getContext(), R.string.pref_search_last_toast, Toast.LENGTH_SHORT).show(); | |
| 82 } | |
| 83 }); | |
| 84 return; | |
| 85 } | |
| 86 | |
| 87 super.showDialog(); | |
| 88 } | |
| 89 | |
| 90 @Override | |
| 91 protected void configureDialogBuilder(AlertDialog.Builder builder) { | |
| 92 // Copy the icon from this object to the prompt we produce. We lazily create the drawable, | |
| 93 // as the user may not ever actually tap this object. | |
| 94 if (mPromptIcon == null && mIconBitmap != null) { | |
| 95 mPromptIcon = new BitmapDrawable(getContext().getResources(), mFaviconView.getBitmap()); | |
| 96 } | |
| 97 | |
| 98 builder.setIcon(mPromptIcon); | |
| 99 } | |
| 100 | |
| 101 @Override | |
| 102 protected void onDialogIndexClicked(int index) { | |
| 103 switch (index) { | |
| 104 case INDEX_SET_DEFAULT_BUTTON: | |
| 105 mParentCategory.setDefault(this); | |
| 106 break; | |
| 107 | |
| 108 case INDEX_REMOVE_BUTTON: | |
| 109 mParentCategory.uninstall(this); | |
| 110 break; | |
| 111 | |
| 112 default: | |
| 113 Log.w(LOGTAG, "Selected index out of range."); | |
| 114 break; | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 /** | |
| 119 * Configure this Preference object from the Gecko search engine JSON object. | |
| 120 * @param geckoEngineJSON The Gecko-formatted JSON object representing the search engine. | |
| 121 * @throws JSONException If the JSONObject is invalid. | |
| 122 */ | |
| 123 public void setSearchEngineFromJSON(JSONObject geckoEngineJSON) throws JSONException { | |
| 124 final String engineName = geckoEngineJSON.getString("name"); | |
| 125 final SpannableString titleSpannable = new SpannableString(engineName); | |
| 126 | |
| 127 setTitle(titleSpannable); | |
| 128 | |
| 129 final String iconURI = geckoEngineJSON.getString("iconURI"); | |
| 130 // Keep a reference to the bitmap - we'll need it later in onBindView. | |
| 131 try { | |
| 132 final int desiredWidth; | |
| 133 if (mFaviconView != null) { | |
| 134 desiredWidth = mFaviconView.getWidth(); | |
| 135 } else { | |
| 136 // largestFaviconSize is initialized when Favicons is attached to a | |
| 137 // context, which occurs during GeckoApp.onCreate. That might not | |
| 138 // ever happen (leaving it at 0), so we fall back. | |
| 139 if (Favicons.largestFaviconSize == 0) { | |
| 140 desiredWidth = 128; | |
| 141 } else { | |
| 142 desiredWidth = Favicons.largestFaviconSize; | |
| 143 } | |
| 144 } | |
| 145 | |
| 146 // TODO: use the cache. Bug 961600. | |
| 147 mIconBitmap = FaviconDecoder.getMostSuitableBitmapFromDataURI(iconURI, desiredWidth); | |
| 148 | |
| 149 } catch (IllegalArgumentException e) { | |
| 150 Log.e(LOGTAG, "IllegalArgumentException creating Bitmap. Most likely a zero-length bitmap.", e); | |
| 151 } catch (NullPointerException e) { | |
| 152 Log.e(LOGTAG, "NullPointerException creating Bitmap. Most likely a zero-length bitmap.", e); | |
| 153 } | |
| 154 } | |
| 155 } |
