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Commit 7081a114 authored by Deepanshu Gupta's avatar Deepanshu Gupta Committed by Android (Google) Code Review
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Merge "Add preferences rendering." into lmp-dev

parents d69238ef 10bb1371
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+1 −1
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@@ -215,7 +215,7 @@ public class Preference implements Comparable<Preference> {

        final TypedArray a = context.obtainStyledAttributes(
                attrs, com.android.internal.R.styleable.Preference, defStyleAttr, defStyleRes);
        for (int i = a.getIndexCount(); i >= 0; i--) {
        for (int i = a.getIndexCount() - 1; i >= 0; i--) {
            int attr = a.getIndex(i); 
            switch (attr) {
                case com.android.internal.R.styleable.Preference_icon:
+1 −1
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@@ -156,7 +156,7 @@ public class PreferenceManager {
     * should be used ANY time a preference will be displayed, since some preference
     * types need an Activity for managed queries.
     */
    private PreferenceManager(Context context) {
    /*package*/ PreferenceManager(Context context) {
        init(context);
    }

+51 −0
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/*
 * Copyright (C) 2014 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 android.preference;

import com.android.layoutlib.bridge.android.BridgeXmlBlockParser;

import android.content.Context;
import android.util.AttributeSet;

import java.util.Map;

public class BridgePreferenceInflater extends PreferenceInflater {

    private final Map<Preference, Object> mViewCookieMap;

    public BridgePreferenceInflater(Context context, PreferenceManager preferenceManager,
            Map<Preference, Object> viewCookieMap) {
        super(context, preferenceManager);
        mViewCookieMap = viewCookieMap;
    }

    @Override
    protected Preference onCreateItem(String name, AttributeSet attrs)
            throws ClassNotFoundException {
        Object viewKey;
        if (attrs instanceof BridgeXmlBlockParser) {
            viewKey = ((BridgeXmlBlockParser) attrs).getViewCookie();
        } else {
            viewKey = null;
        }
        Preference preference = super.onCreateItem(name, attrs);
        if (viewKey != null) {
            mViewCookieMap.put(preference, viewKey);
        }
        return preference;
    }
}
+94 −0
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/*
 * Copyright (C) 2014 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 android.preference;

import com.android.internal.R;
import com.android.layoutlib.bridge.android.BridgeContext;
import com.android.tools.layoutlib.annotations.LayoutlibDelegate;

import org.xmlpull.v1.XmlPullParser;

import android.content.Context;
import android.content.res.TypedArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;

import java.util.HashMap;
import java.util.Map;

/**
 * Delegate that provides implementation for native methods in {@link Preference}
 * <p/>
 * Through the layoutlib_create tool, selected methods of Preference have been replaced by calls to
 * methods of the same name in this delegate class.
 */
public class Preference_Delegate {

    private static final Map<Preference, Object> sViewCookies = new HashMap<Preference, Object>();

    @LayoutlibDelegate
    /*package*/ static void dispatchSetInitialValue(Preference preference) {
        // pass.
    }

    @LayoutlibDelegate
    /*package*/ static View getView(Preference pref, View convertView, ViewGroup parent) {
        Context context = pref.getContext();
        BridgeContext bc = context instanceof BridgeContext ? ((BridgeContext) context) : null;
        convertView = pref.getView_Original(convertView, parent);
        Object cookie = sViewCookies.get(pref);
        if (bc != null && cookie != null) {
            bc.addViewKey(convertView, cookie);
        }
        return convertView;
    }

    /**
     * Inflates the parser and returns the ListView containing the Preferences. The caller must call
     * {@link #clearCookiesMap()} when the rendering is complete.
     */
    public static View inflatePreference(Context context, XmlPullParser parser, ViewGroup root) {
        assert sViewCookies.isEmpty();
        PreferenceManager pm = new PreferenceManager(context);
        PreferenceScreen ps = pm.getPreferenceScreen();
        PreferenceInflater inflater = new BridgePreferenceInflater(context, pm, sViewCookies);
        ps = (PreferenceScreen) inflater.inflate(parser, ps, true);
        ListView preferenceView = createContainerView(context, root);
        ps.bind(preferenceView);
        return preferenceView;
    }

    private static ListView createContainerView(Context context, ViewGroup root) {
        TypedArray a = context.obtainStyledAttributes(null, R.styleable.PreferenceFragment,
                R.attr.preferenceFragmentStyle, 0);
        int mLayoutResId = a.getResourceId(R.styleable.PreferenceFragment_layout,
                        R.layout.preference_list_fragment);
        a.recycle();

        LayoutInflater inflater =
                (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        inflater.inflate(mLayoutResId, root, true);

        return (ListView) root.findViewById(android.R.id.list);
    }

    public static void clearCookiesMap() {
        sViewCookies.clear();
    }
}
+2 −2
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@@ -13,8 +13,8 @@ import javax.swing.text.Segment;

/**
 * Delegate that provides implementation for native methods in {@link android.text.StaticLayout}
 *
 * Through the layoutlib_create tool, selected methods of Handler have been replaced
 * <p/>
 * Through the layoutlib_create tool, selected methods of StaticLayout have been replaced
 * by calls to methods of the same name in this delegate class.
 *
 */
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