| /* |
| * Copyright (C) 2011 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.frameworkperf; |
| |
| import java.io.IOException; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.content.res.XmlResourceParser; |
| import android.util.AttributeSet; |
| import android.util.Xml; |
| import android.view.InflateException; |
| |
| public class SimpleInflater { |
| /** Menu tag name in XML. */ |
| private static final String XML_MENU = "menu"; |
| |
| /** Group tag name in XML. */ |
| private static final String XML_GROUP = "group"; |
| |
| /** Item tag name in XML. */ |
| private static final String XML_ITEM = "item"; |
| |
| private Context mContext; |
| |
| public SimpleInflater(Context context) { |
| mContext = context; |
| } |
| |
| public void inflate(int menuRes) { |
| XmlResourceParser parser = null; |
| try { |
| parser = mContext.getResources().getLayout(menuRes); |
| AttributeSet attrs = Xml.asAttributeSet(parser); |
| |
| parseMenu(parser, attrs); |
| } catch (XmlPullParserException e) { |
| throw new InflateException("Error inflating menu XML", e); |
| } catch (IOException e) { |
| throw new InflateException("Error inflating menu XML", e); |
| } finally { |
| if (parser != null) parser.close(); |
| } |
| } |
| |
| private void parseMenu(XmlPullParser parser, AttributeSet attrs) |
| throws XmlPullParserException, IOException { |
| int eventType = parser.getEventType(); |
| String tagName; |
| boolean lookingForEndOfUnknownTag = false; |
| String unknownTagName = null; |
| |
| // This loop will skip to the menu start tag |
| do { |
| if (eventType == XmlPullParser.START_TAG) { |
| tagName = parser.getName(); |
| if (tagName.equals(XML_MENU)) { |
| // Go to next tag |
| eventType = parser.next(); |
| break; |
| } |
| |
| throw new RuntimeException("Expecting menu, got " + tagName); |
| } |
| eventType = parser.next(); |
| } while (eventType != XmlPullParser.END_DOCUMENT); |
| |
| boolean reachedEndOfMenu = false; |
| while (!reachedEndOfMenu) { |
| switch (eventType) { |
| case XmlPullParser.START_TAG: |
| if (lookingForEndOfUnknownTag) { |
| break; |
| } |
| |
| tagName = parser.getName(); |
| if (tagName.equals(XML_ITEM)) { |
| readItem(attrs); |
| } else if (tagName.equals(XML_MENU)) { |
| parseMenu(parser, attrs); |
| } else { |
| lookingForEndOfUnknownTag = true; |
| unknownTagName = tagName; |
| } |
| break; |
| |
| case XmlPullParser.END_TAG: |
| tagName = parser.getName(); |
| if (lookingForEndOfUnknownTag && tagName.equals(unknownTagName)) { |
| lookingForEndOfUnknownTag = false; |
| unknownTagName = null; |
| } else if (tagName.equals(XML_ITEM)) { |
| } else if (tagName.equals(XML_MENU)) { |
| reachedEndOfMenu = true; |
| } |
| break; |
| |
| case XmlPullParser.END_DOCUMENT: |
| throw new RuntimeException("Unexpected end of document"); |
| } |
| |
| eventType = parser.next(); |
| } |
| } |
| |
| public void readItem(AttributeSet attrs) { |
| TypedArray a = mContext.obtainStyledAttributes(attrs, |
| com.android.internal.R.styleable.MenuItem); |
| |
| // Inherit attributes from the group as default value |
| int itemId = a.getResourceId(R.styleable.MenuItem_android_id, 0); |
| final int category = a.getInt(R.styleable.MenuItem_android_menuCategory, 0); |
| final int order = a.getInt(R.styleable.MenuItem_android_orderInCategory, 0); |
| CharSequence itemTitle = a.getText(R.styleable.MenuItem_android_title); |
| CharSequence itemTitleCondensed = a.getText(R.styleable.MenuItem_android_titleCondensed); |
| int itemIconResId = a.getResourceId(R.styleable.MenuItem_android_icon, 0); |
| String itemAlphabeticShortcut = a.getString(R.styleable.MenuItem_android_alphabeticShortcut); |
| String itemNumericShortcut = a.getString(R.styleable.MenuItem_android_numericShortcut); |
| int itemCheckable = 0; |
| if (a.hasValue(R.styleable.MenuItem_android_checkable)) { |
| // Item has attribute checkable, use it |
| itemCheckable = a.getBoolean(R.styleable.MenuItem_android_checkable, false) ? 1 : 0; |
| } |
| boolean itemChecked = a.getBoolean(R.styleable.MenuItem_android_checked, false); |
| boolean itemVisible = a.getBoolean(R.styleable.MenuItem_android_visible, false); |
| boolean itemEnabled = a.getBoolean(R.styleable.MenuItem_android_enabled, false); |
| |
| a.recycle(); |
| } |
| } |