| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.quicksearchbox.ui; |
| |
| import com.android.quicksearchbox.R; |
| import com.android.quicksearchbox.Source; |
| import com.android.quicksearchbox.SuggestionCursor; |
| |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| import android.graphics.drawable.Drawable; |
| import android.text.Html; |
| import android.text.Spannable; |
| import android.text.SpannableString; |
| import android.text.TextUtils; |
| import android.text.style.TextAppearanceSpan; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.View; |
| import android.widget.ImageView; |
| import android.widget.RelativeLayout; |
| import android.widget.TextView; |
| |
| /** |
| * View for the items in the suggestions list. This includes promoted suggestions, |
| * sources, and suggestions under each source. |
| * |
| */ |
| public class DefaultSuggestionView extends RelativeLayout implements SuggestionView { |
| |
| private static final boolean DBG = false; |
| private static final String TAG = "QSB.SuggestionView"; |
| |
| private TextView mText1; |
| private TextView mText2; |
| private ImageView mIcon1; |
| private ImageView mIcon2; |
| |
| public DefaultSuggestionView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| } |
| |
| public DefaultSuggestionView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public DefaultSuggestionView(Context context) { |
| super(context); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| mText1 = (TextView) findViewById(R.id.text1); |
| mText2 = (TextView) findViewById(R.id.text2); |
| mIcon1 = (ImageView) findViewById(R.id.icon1); |
| mIcon2 = (ImageView) findViewById(R.id.icon2); |
| } |
| |
| public void bindAsSuggestion(SuggestionCursor suggestion) { |
| String format = suggestion.getSuggestionFormat(); |
| CharSequence text1 = formatText(suggestion.getSuggestionText1(), format); |
| CharSequence text2 = suggestion.getSuggestionText2Url(); |
| if (text2 != null) { |
| text2 = formatUrl(text2); |
| } else { |
| text2 = formatText(suggestion.getSuggestionText2(), format); |
| } |
| Drawable icon1 = getSuggestionDrawableIcon1(suggestion); |
| Drawable icon2 = getSuggestionDrawableIcon2(suggestion); |
| if (DBG) { |
| Log.d(TAG, "bindAsSuggestion(), text1=" + text1 + ",text2=" + text2 |
| + ",icon1=" + icon1 + ",icon2=" + icon2); |
| } |
| // If there is no text for the second line, allow the first line to be up to two lines |
| if (TextUtils.isEmpty(text2)) { |
| mText1.setSingleLine(false); |
| mText1.setMaxLines(2); |
| mText1.setEllipsize(TextUtils.TruncateAt.START); |
| } else { |
| mText1.setSingleLine(true); |
| mText1.setMaxLines(1); |
| mText1.setEllipsize(TextUtils.TruncateAt.MIDDLE); |
| } |
| setText1(text1); |
| setText2(text2); |
| setIcon1(icon1); |
| setIcon2(icon2); |
| updateRefinable(suggestion); |
| } |
| |
| protected void updateRefinable(SuggestionCursor suggestion) { |
| boolean refinable = mIcon2.getDrawable() == null |
| && !TextUtils.isEmpty(suggestion.getSuggestionQuery()); |
| setRefinable(suggestion, refinable); |
| } |
| |
| protected void setRefinable(SuggestionCursor suggestion, boolean refinable) { |
| if (refinable) { |
| final int position = suggestion.getPosition(); |
| mIcon2.setOnClickListener(new View.OnClickListener() { |
| public void onClick(View v) { |
| Log.d(TAG, "Clicked query refine"); |
| SuggestionsView suggestions = (SuggestionsView) getParent(); |
| suggestions.onIcon2Clicked(position); |
| } |
| }); |
| Drawable icon2 = getContext().getResources().getDrawable(R.drawable.refine_query); |
| setIcon2(icon2); |
| } else { |
| mIcon2.setOnClickListener(null); |
| } |
| } |
| |
| private CharSequence formatUrl(CharSequence url) { |
| SpannableString text = new SpannableString(url); |
| ColorStateList colors = getResources().getColorStateList(R.color.url_text); |
| text.setSpan(new TextAppearanceSpan(null, 0, 0, colors, null), |
| 0, url.length(), |
| Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); |
| return text; |
| } |
| |
| public Drawable getSuggestionDrawableIcon1(SuggestionCursor suggestion) { |
| Source source = suggestion.getSuggestionSource(); |
| String icon1Id = suggestion.getSuggestionIcon1(); |
| Drawable icon1 = source.getIcon(icon1Id); |
| return icon1 == null ? source.getSourceIcon() : icon1; |
| } |
| |
| public Drawable getSuggestionDrawableIcon2(SuggestionCursor suggestion) { |
| Source source = suggestion.getSuggestionSource(); |
| return source.getIcon(suggestion.getSuggestionIcon2()); |
| } |
| |
| private CharSequence formatText(String str, String format) { |
| boolean isHtml = "html".equals(format); |
| if (isHtml && looksLikeHtml(str)) { |
| return Html.fromHtml(str); |
| } else { |
| return str; |
| } |
| } |
| |
| private boolean looksLikeHtml(String str) { |
| if (TextUtils.isEmpty(str)) return false; |
| for (int i = str.length() - 1; i >= 0; i--) { |
| char c = str.charAt(i); |
| if (c == '>' || c == '&') return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Sets the first text line. |
| */ |
| private void setText1(CharSequence text) { |
| mText1.setText(text); |
| } |
| |
| /** |
| * Sets the second text line. |
| */ |
| private void setText2(CharSequence text) { |
| mText2.setText(text); |
| if (TextUtils.isEmpty(text)) { |
| mText2.setVisibility(GONE); |
| } else { |
| mText2.setVisibility(VISIBLE); |
| } |
| } |
| |
| /** |
| * Sets the left-hand-side icon. |
| */ |
| private void setIcon1(Drawable icon) { |
| setViewDrawable(mIcon1, icon); |
| } |
| |
| /** |
| * Sets the right-hand-side icon. |
| */ |
| private void setIcon2(Drawable icon) { |
| setViewDrawable(mIcon2, icon); |
| } |
| |
| /** |
| * Sets the drawable in an image view, makes sure the view is only visible if there |
| * is a drawable. |
| */ |
| private static void setViewDrawable(ImageView v, Drawable drawable) { |
| // Set the icon even if the drawable is null, since we need to clear any |
| // previous icon. |
| v.setImageDrawable(drawable); |
| |
| if (drawable == null) { |
| v.setVisibility(View.GONE); |
| } else { |
| v.setVisibility(View.VISIBLE); |
| |
| // This is a hack to get any animated drawables (like a 'working' spinner) |
| // to animate. You have to setVisible true on an AnimationDrawable to get |
| // it to start animating, but it must first have been false or else the |
| // call to setVisible will be ineffective. We need to clear up the story |
| // about animated drawables in the future, see http://b/1878430. |
| drawable.setVisible(false, false); |
| drawable.setVisible(true, false); |
| } |
| } |
| |
| } |