[SuwLib] Implement GlifListLayout

Bug: 25726515
Change-Id: I192f33635e9919c02adfdb2c9afa1652dd84aab2

library/main/res/layout/suw_glif_header.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Copyright (C) 2015 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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <ImageView
+        android:id="@+id/suw_layout_icon"
+        style="@style/SuwGlifIcon"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:contentDescription="@null" />
+
+    <TextView
+        android:id="@+id/suw_layout_title"
+        style="@style/SuwGlifHeaderTitle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+</LinearLayout>

library/main/res/layout/suw_glif_list_template.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Copyright (C) 2015 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.
+-->
+
+<com.android.setupwizardlib.view.StickyHeaderListView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@android:id/list"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:suwHeader="@layout/suw_glif_header" />

library/main/res/layout/suw_glif_template.xml

@@ -27,18 +27,7 @@
         android:layout_height="wrap_content"
         android:orientation="vertical">
 
-        <ImageView
-            android:id="@+id/suw_layout_icon"
-            style="@style/SuwGlifIcon"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:contentDescription="@null" />
-
-        <TextView
-            android:id="@+id/suw_layout_title"
-            style="@style/SuwGlifHeaderTitle"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content" />
+        <include layout="@layout/suw_glif_header" />
 
         <FrameLayout
             android:id="@+id/suw_layout_content"

library/main/res/values/attrs.xml

@@ -44,6 +44,10 @@
         <attr name="suwHeaderText" />
     </declare-styleable>
 
+    <declare-styleable name="SuwGlifListLayout">
+        <attr name="android:entries" />
+    </declare-styleable>
+
     <declare-styleable name="SuwSetupWizardLayout">
         <attr name="suwBackground" format="color|reference" />
         <attr name="suwBackgroundTile" format="color|reference" />

library/main/src/com/android/setupwizardlib/GlifListLayout.java

@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2015 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.setupwizardlib;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.os.Build.VERSION_CODES;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ListAdapter;
+import android.widget.ListView;
+
+import com.android.setupwizardlib.items.ItemAdapter;
+import com.android.setupwizardlib.items.ItemGroup;
+import com.android.setupwizardlib.items.ItemInflater;
+
+/**
+ * A GLIF themed layout with a ListView. {@code android:entries} can also be used to specify an
+ * {@link com.android.setupwizardlib.items.ItemHierarchy} to be used with this layout in XML.
+ */
+public class GlifListLayout extends GlifLayout {
+
+    private static final String TAG = "GlifListLayout";
+    private ListView mListView;
+
+    public GlifListLayout(Context context) {
+        this(context, 0, 0);
+    }
+
+    public GlifListLayout(Context context, int template) {
+        this(context, template, 0);
+    }
+
+    public GlifListLayout(Context context, int template, int containerId) {
+        super(context, template, containerId);
+        init(context, null, 0);
+    }
+
+    public GlifListLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context, attrs, 0);
+    }
+
+    @TargetApi(VERSION_CODES.HONEYCOMB)
+    public GlifListLayout(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(context, attrs, defStyleAttr);
+    }
+
+    private void init(Context context, AttributeSet attrs, int defStyleAttr) {
+        final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SuwGlifListLayout,
+                defStyleAttr, 0);
+        final int xml = a.getResourceId(R.styleable.SuwGlifListLayout_android_entries, 0);
+        if (xml != 0) {
+            final ItemGroup inflated = (ItemGroup) new ItemInflater(context).inflate(xml);
+            setAdapter(new ItemAdapter(inflated));
+        }
+        a.recycle();
+    }
+
+    @Override
+    protected View onInflateTemplate(LayoutInflater inflater, int template) {
+        if (template == 0) {
+            template = R.layout.suw_glif_list_template;
+        }
+        return super.onInflateTemplate(inflater, template);
+    }
+
+    @Override
+    protected ViewGroup findContainer(int containerId) {
+        if (containerId == 0) {
+            containerId = android.R.id.list;
+        }
+        return super.findContainer(containerId);
+    }
+
+    @Override
+    protected void onTemplateInflated() {
+        mListView = (ListView) findViewById(android.R.id.list);
+    }
+
+    public ListView getListView() {
+        return mListView;
+    }
+
+    public void setAdapter(ListAdapter adapter) {
+        getListView().setAdapter(adapter);
+    }
+
+    public ListAdapter getAdapter() {
+        return getListView().getAdapter();
+    }
+}

library/test/res/layout/test_glif_list_layout.xml

@@ -0,0 +1,20 @@
+<!--
+    Copyright (C) 2015 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.
+-->
+
+<com.android.setupwizardlib.GlifListLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" />

library/test/src/com/android/setupwizardlib/test/GlifListLayoutTest.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2015 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.setupwizardlib.test;
+
+import android.content.Context;
+import android.test.InstrumentationTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+import android.view.ContextThemeWrapper;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.ArrayAdapter;
+import android.widget.HeaderViewListAdapter;
+import android.widget.ListAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import com.android.setupwizardlib.GlifListLayout;
+
+public class GlifListLayoutTest extends InstrumentationTestCase {
+
+    private Context mContext;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        mContext = new ContextThemeWrapper(getInstrumentation().getContext(),
+                R.style.SuwThemeGlif_Light);
+    }
+
+    @SmallTest
+    public void testDefaultTemplate() {
+        GlifListLayout layout = new GlifListLayout(mContext);
+        assertListTemplateInflated(layout);
+    }
+
+    @SmallTest
+    public void testAddView() {
+        GlifListLayout layout = new GlifListLayout(mContext);
+        TextView tv = new TextView(mContext);
+        try {
+            layout.addView(tv);
+            fail("Adding view to ListLayout should throw");
+        } catch (UnsupportedOperationException e) {
+            // Expected exception
+        }
+    }
+
+    @SmallTest
+    public void testInflateFromXml() {
+        LayoutInflater inflater = LayoutInflater.from(mContext);
+        GlifListLayout layout = (GlifListLayout)
+                inflater.inflate(R.layout.test_glif_list_layout, null);
+        assertListTemplateInflated(layout);
+    }
+
+    @SmallTest
+    public void testGetListView() {
+        GlifListLayout layout = new GlifListLayout(mContext);
+        assertListTemplateInflated(layout);
+        assertNotNull("getListView should not be null", layout.getListView());
+    }
+
+    @SmallTest
+    public void testAdapter() {
+        GlifListLayout layout = new GlifListLayout(mContext);
+        assertListTemplateInflated(layout);
+
+        final ArrayAdapter<String> adapter =
+                new ArrayAdapter<>(mContext, android.R.layout.simple_list_item_1);
+        adapter.add("Abracadabra");
+        layout.setAdapter(adapter);
+
+        final ListAdapter gotAdapter = layout.getAdapter();
+        if (gotAdapter instanceof HeaderViewListAdapter) {
+            assertSame("Adapter got from GlifListLayout should be same as set",
+                    adapter, ((HeaderViewListAdapter) gotAdapter).getWrappedAdapter());
+        } else {
+            assertSame("Adapter got from GlifListLayout should be same as set",
+                    adapter, gotAdapter);
+        }
+    }
+
+    private void assertListTemplateInflated(GlifListLayout layout) {
+        View title = layout.findViewById(R.id.suw_layout_title);
+        assertNotNull("@id/suw_layout_title should not be null", title);
+
+        View icon = layout.findViewById(R.id.suw_layout_icon);
+        assertNotNull("@id/suw_layout_icon should not be null", icon);
+
+        View listView = layout.findViewById(android.R.id.list);
+        assertTrue("@android:id/list should be a ListView", listView instanceof ListView);
+    }
+}