[SuwLib] Add preference integration support

Change-Id: I2e756bcea1512886958ec70c80ae6f4616c9ed81

9 files changed, 222 insertions, 6 deletions

diff --git a/library/eclair-mr1/res/values/styles.xml b/library/eclair-mr1/res/values/styles.xml
index fa66c53..3c3cb46 100644
--- a/library/eclair-mr1/res/values/styles.xml
+++ b/library/eclair-mr1/res/values/styles.xml
@@ -66,6 +66,8 @@
         <!-- Specify the indeterminateTintMode to work around a bug in Lollipop -->
         <item name="android:indeterminateTintMode" tools:ignore="NewApi">src_in</item>
         <item name="android:listPreferredItemHeight">@dimen/suw_items_preferred_height</item>
+        <item name="android:listPreferredItemPaddingEnd" tools:ignore="NewApi">?attr/suwMarginSides</item>
+        <item name="android:listPreferredItemPaddingStart" tools:ignore="NewApi">?attr/suwMarginSides</item>
         <item name="android:navigationBarColor" tools:ignore="NewApi">@android:color/black</item>
         <item name="android:statusBarColor" tools:ignore="NewApi">@android:color/transparent</item>
         <item name="android:textColorLink">@color/suw_link_color_light</item>
diff --git a/library/full-support/src/com/android/setupwizardlib/util/GlifPreferenceDelegate.java b/library/full-support/src/com/android/setupwizardlib/util/GlifPreferenceDelegate.java
new file mode 100644
index 0000000..914dca9
--- /dev/null
+++ b/library/full-support/src/com/android/setupwizardlib/util/GlifPreferenceDelegate.java
@@ -0,0 +1,91 @@
+/*
+ * 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 KIN'D, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.setupwizardlib.util;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.android.setupwizardlib.R;
+import com.android.setupwizardlib.view.HeaderRecyclerView;
+
+/**
+ * A helper delegate to integrate GLIF theme with PreferenceFragment v14. To use this, create an
+ * instance and delegate {@code PreferenceFragment#onCreateRecyclerView} to it. Then call
+ * {@code PreferenceFragment#setDivider} to {@link #getDividerDrawable(android.content.Context)} in
+ * order to make sure the correct inset is applied to the dividers.
+ */
+public class GlifPreferenceDelegate {
+
+    public static final int[] ATTRS_LIST_DIVIDER = new int[]{ android.R.attr.listDivider };
+
+    private HeaderRecyclerView mRecyclerView;
+    private boolean mHasIcons;
+
+    public GlifPreferenceDelegate(boolean hasIcons) {
+        mHasIcons = hasIcons;
+    }
+
+    public RecyclerView onCreateRecyclerView(LayoutInflater inflater, ViewGroup parent,
+            Bundle savedInstanceState) {
+        final Context inflaterContext = inflater.getContext();
+        mRecyclerView = new HeaderRecyclerView(inflaterContext);
+        mRecyclerView.setLayoutManager(new LinearLayoutManager(inflaterContext));
+        final View header = inflater.inflate(R.layout.suw_glif_header, mRecyclerView, false);
+        mRecyclerView.setHeader(header);
+        return mRecyclerView;
+    }
+
+    public Drawable getDividerDrawable(Context context) {
+        final TypedArray a = context.obtainStyledAttributes(ATTRS_LIST_DIVIDER);
+        final Drawable defaultDivider = a.getDrawable(0);
+        a.recycle();
+
+        final int dividerInset = context.getResources().getDimensionPixelSize(
+                mHasIcons ? R.dimen.suw_items_icon_divider_inset
+                        : R.dimen.suw_items_text_divider_inset);
+        return DrawableLayoutDirectionHelper.createRelativeInsetDrawable(defaultDivider,
+                dividerInset /* start */, 0 /* top */, 0 /* end */, 0 /* bottom */,
+                context);
+    }
+
+    public void setHeaderText(CharSequence text) {
+        final View header = mRecyclerView.getHeader();
+
+        final View titleView = header.findViewById(R.id.suw_layout_title);
+        if (titleView instanceof TextView)  {
+            ((TextView) titleView).setText(text);
+        }
+    }
+
+    public void setIcon(Drawable icon) {
+        final View header = mRecyclerView.getHeader();
+
+        final View iconView = header.findViewById(R.id.suw_layout_icon);
+        if (iconView instanceof ImageView) {
+            ((ImageView) iconView).setImageDrawable(icon);
+        }
+    }
+}
diff --git a/library/full-support/src/com/android/setupwizardlib/view/HeaderRecyclerView.java b/library/full-support/src/com/android/setupwizardlib/view/HeaderRecyclerView.java
index f164a23..e0c0e46 100644
--- a/library/full-support/src/com/android/setupwizardlib/view/HeaderRecyclerView.java
+++ b/library/full-support/src/com/android/setupwizardlib/view/HeaderRecyclerView.java
@@ -207,6 +207,14 @@ public class HeaderRecyclerView extends RecyclerView {
         return mHeader;
     }
 
+    /**
+     * Set the view to use as the header of this recycler view.
+     * Note: This must be called before setAdapter.
+     */
+    public void setHeader(View header) {
+        mHeader = header;
+    }
+
     @Override
     public void setLayoutManager(LayoutManager layout) {
         super.setLayoutManager(layout);
diff --git a/library/main/res/layout/suw_glif_blank_template_card.xml b/library/main/res/layout/suw_glif_blank_template_card.xml
new file mode 100644
index 0000000..6f1ab9d
--- /dev/null
+++ b/library/main/res/layout/suw_glif_blank_template_card.xml
@@ -0,0 +1,32 @@
+<?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.
+-->
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/suw_pattern_bg"
+    style="@style/SuwGlifCardBackground"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true">
+
+    <FrameLayout
+        android:id="@+id/suw_layout_content"
+        style="@style/SuwGlifCardContainer"
+        android:layout_width="@dimen/suw_glif_card_width"
+        android:layout_height="@dimen/suw_glif_card_height"
+        android:layout_centerInParent="true" />
+
+</RelativeLayout>
diff --git a/library/main/res/layout/suw_glif_blank_template_compact.xml b/library/main/res/layout/suw_glif_blank_template_compact.xml
new file mode 100644
index 0000000..7792cd1
--- /dev/null
+++ b/library/main/res/layout/suw_glif_blank_template_compact.xml
@@ -0,0 +1,29 @@
+<?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.StatusBarBackgroundLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/suw_pattern_bg"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <FrameLayout
+        android:id="@+id/suw_layout_content"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</com.android.setupwizardlib.view.StatusBarBackgroundLayout>
diff --git a/library/main/res/values-sw600dp/layouts.xml b/library/main/res/values-sw600dp/layouts.xml
index 3b304d7..ce7ef60 100644
--- a/library/main/res/values-sw600dp/layouts.xml
+++ b/library/main/res/values-sw600dp/layouts.xml
@@ -26,6 +26,7 @@
 
     <item name="suw_glif_template" type="layout">@layout/suw_glif_template_card</item>
     <item name="suw_glif_list_template" type="layout">@layout/suw_glif_list_template_card</item>
+    <item name="suw_glif_blank_template" type="layout">@layout/suw_glif_blank_template_card</item>
 
 </resources>
 
diff --git a/library/main/res/values/layouts.xml b/library/main/res/values/layouts.xml
index e4d3327..74a6479 100644
--- a/library/main/res/values/layouts.xml
+++ b/library/main/res/values/layouts.xml
@@ -26,6 +26,7 @@
 
     <item name="suw_glif_template" type="layout">@layout/suw_glif_template_compact</item>
     <item name="suw_glif_list_template" type="layout">@layout/suw_glif_list_template_compact</item>
+    <item name="suw_glif_blank_template" type="layout">@layout/suw_glif_blank_template_compact</item>
 
 </resources>
 
diff --git a/library/main/src/com/android/setupwizardlib/util/DrawableLayoutDirectionHelper.java b/library/main/src/com/android/setupwizardlib/util/DrawableLayoutDirectionHelper.java
index d0c8310..bf4c0c2 100644
--- a/library/main/src/com/android/setupwizardlib/util/DrawableLayoutDirectionHelper.java
+++ b/library/main/src/com/android/setupwizardlib/util/DrawableLayoutDirectionHelper.java
@@ -16,6 +16,7 @@
 
 package com.android.setupwizardlib.util;
 
+import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.InsetDrawable;
 import android.os.Build;
@@ -32,12 +33,26 @@ public class DrawableLayoutDirectionHelper {
      */
     public static InsetDrawable createRelativeInsetDrawable(Drawable drawable,
             int insetStart, int insetTop, int insetEnd, int insetBottom, View view) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1
-                && view.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) {
-            return new InsetDrawable(drawable, insetEnd, insetTop, insetStart, insetBottom);
-        } else {
-            return new InsetDrawable(drawable, insetStart, insetTop, insetEnd, insetBottom);
+        boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1
+                && view.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
+        return createRelativeInsetDrawable(drawable, insetStart, insetTop, insetEnd, insetBottom,
+                isRtl);
+    }
+
+    /**
+     * Creates an {@link android.graphics.drawable.InsetDrawable} according to the layout direction
+     * of {@code context}.
+     */
+    public static InsetDrawable createRelativeInsetDrawable(Drawable drawable,
+            int insetStart, int insetTop, int insetEnd, int insetBottom, Context context) {
+        boolean isRtl = false;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+            final int layoutDirection =
+                    context.getResources().getConfiguration().getLayoutDirection();
+            isRtl = layoutDirection == View.LAYOUT_DIRECTION_RTL;
         }
+        return createRelativeInsetDrawable(drawable, insetStart, insetTop, insetEnd, insetBottom,
+                isRtl);
     }
 
     /**
@@ -46,7 +61,14 @@ public class DrawableLayoutDirectionHelper {
      */
     public static InsetDrawable createRelativeInsetDrawable(Drawable drawable,
             int insetStart, int insetTop, int insetEnd, int insetBottom, int layoutDirection) {
-        if (layoutDirection == View.LAYOUT_DIRECTION_RTL) {
+        //noinspection AndroidLintInlinedApi
+        return createRelativeInsetDrawable(drawable, insetStart, insetTop, insetEnd, insetBottom,
+                layoutDirection == View.LAYOUT_DIRECTION_RTL);
+    }
+
+    private static InsetDrawable createRelativeInsetDrawable(Drawable drawable,
+            int insetStart, int insetTop, int insetEnd, int insetBottom, boolean isRtl) {
+        if (isRtl) {
             return new InsetDrawable(drawable, insetEnd, insetTop, insetStart, insetBottom);
         } else {
             return new InsetDrawable(drawable, insetStart, insetTop, insetEnd, insetBottom);
diff --git a/library/test/src/com/android/setupwizardlib/test/DrawableLayoutDirectionHelperTest.java b/library/test/src/com/android/setupwizardlib/test/DrawableLayoutDirectionHelperTest.java
index 5b9b1cb..b14817e 100644
--- a/library/test/src/com/android/setupwizardlib/test/DrawableLayoutDirectionHelperTest.java
+++ b/library/test/src/com/android/setupwizardlib/test/DrawableLayoutDirectionHelperTest.java
@@ -17,6 +17,7 @@
 package com.android.setupwizardlib.test;
 
 import android.content.Context;
+import android.content.res.Configuration;
 import android.graphics.Color;
 import android.graphics.Rect;
 import android.graphics.drawable.ColorDrawable;
@@ -29,6 +30,8 @@ import android.view.View;
 
 import com.android.setupwizardlib.util.DrawableLayoutDirectionHelper;
 
+import java.util.Locale;
+
 public class DrawableLayoutDirectionHelperTest extends AndroidTestCase {
 
     @SmallTest
@@ -87,6 +90,33 @@ public class DrawableLayoutDirectionHelperTest extends AndroidTestCase {
         }
     }
 
+    @SmallTest
+    public void testCreateRelativeInsetDrawableContextRtl() {
+        final Drawable drawable = new ColorDrawable(Color.RED);
+        Context context = getContext();
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+            final Configuration config = new Configuration();
+            config.setLayoutDirection(new Locale("fa", "IR"));
+            context = getContext().createConfigurationContext(config);
+        }
+        final InsetDrawable insetDrawable =
+                DrawableLayoutDirectionHelper.createRelativeInsetDrawable(drawable,
+                        1 /* start */, 2 /* top */, 3 /* end */, 4 /* bottom */, context);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            assertSame("Drawable from getDrawable() should be same as passed in", drawable,
+                    insetDrawable.getDrawable());
+        }
+        Rect outRect = new Rect();
+        insetDrawable.getPadding(outRect);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+            assertEquals("InsetDrawable padding should be same as inset", new Rect(3, 2, 1, 4),
+                    outRect);
+        } else {
+            assertEquals("InsetDrawable padding should be same as inset", new Rect(1, 2, 3, 4),
+                    outRect);
+        }
+    }
+
     private static class ForceRtlView extends View {
 
         public ForceRtlView(Context context) {