The Tor Browser / file comparison
comparison: mobile/android/base/preferences/ModifiableHintPreference.java
mobile/android/base/preferences/ModifiableHintPreference.java
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| 1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 package org.mozilla.gecko.preferences; | |
| 7 | |
| 8 import org.mozilla.gecko.R; | |
| 9 | |
| 10 import android.content.Context; | |
| 11 import android.graphics.drawable.Drawable; | |
| 12 import android.preference.Preference; | |
| 13 import android.text.Spanned; | |
| 14 import android.text.SpannableStringBuilder; | |
| 15 import android.text.style.ImageSpan; | |
| 16 import android.util.AttributeSet; | |
| 17 import android.view.View; | |
| 18 import android.view.ViewGroup; | |
| 19 import android.widget.TextView; | |
| 20 | |
| 21 class ModifiableHintPreference extends Preference { | |
| 22 private static final String LOGTAG = "ModifiableHintPref"; | |
| 23 private final Context mContext; | |
| 24 | |
| 25 private final String MATCH_STRING = "%I"; | |
| 26 private final int RESID_TEXT_VIEW = R.id.label_search_hint; | |
| 27 private final int RESID_DRAWABLE = R.drawable.ab_add_search_engine; | |
| 28 private final double SCALE_FACTOR = 0.5; | |
| 29 | |
| 30 public ModifiableHintPreference(Context context, AttributeSet attrs) { | |
| 31 super(context, attrs); | |
| 32 mContext = context; | |
| 33 } | |
| 34 | |
| 35 public ModifiableHintPreference(Context context, AttributeSet attrs, int defStyle) { | |
| 36 super(context, attrs, defStyle); | |
| 37 mContext = context; | |
| 38 } | |
| 39 | |
| 40 @Override | |
| 41 protected View onCreateView(ViewGroup parent) { | |
| 42 View thisView = super.onCreateView(parent); | |
| 43 configurePreferenceView(thisView); | |
| 44 return thisView; | |
| 45 } | |
| 46 | |
| 47 private void configurePreferenceView(View view) { | |
| 48 TextView textView = (TextView) view.findViewById(RESID_TEXT_VIEW); | |
| 49 String searchHint = textView.getText().toString(); | |
| 50 | |
| 51 // Use an ImageSpan to include the "add search" icon in the Tip. | |
| 52 int imageSpanIndex = searchHint.indexOf(MATCH_STRING); | |
| 53 if (imageSpanIndex != -1) { | |
| 54 // Scale the resource. | |
| 55 Drawable drawable = mContext.getResources().getDrawable(RESID_DRAWABLE); | |
| 56 drawable.setBounds(0, 0, (int) (drawable.getIntrinsicWidth() * SCALE_FACTOR), | |
| 57 (int) (drawable.getIntrinsicHeight() * SCALE_FACTOR)); | |
| 58 | |
| 59 ImageSpan searchIcon = new ImageSpan(drawable); | |
| 60 final SpannableStringBuilder hintBuilder = new SpannableStringBuilder(searchHint); | |
| 61 | |
| 62 // Insert the image. | |
| 63 hintBuilder.setSpan(searchIcon, imageSpanIndex, imageSpanIndex + MATCH_STRING.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE); | |
| 64 textView.setText(hintBuilder, TextView.BufferType.SPANNABLE); | |
| 65 } | |
| 66 } | |
| 67 } |
