From ac91df87fce48afe1b5585551f24b0c21b7ab091 Mon Sep 17 00:00:00 2001
From: Adam Powell <adamp@google.com>
Date: Thu, 14 Feb 2013 13:48:47 -0800
Subject: [PATCH] Add support for shadows in TextAppearance styles

Allow developers to specify shadow properties for text in a
TextAppearance, not just in direct TextView attributes.

Change-Id: I873fbaf2c26683895e1eea2d02b5d9b17ca333d0
---
 core/java/android/widget/TextView.java | 33 ++++++++++++++++++++++++--
 core/res/res/values/attrs.xml          | 16 +++++++++----
 2 files changed, 43 insertions(+), 6 deletions(-)

diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index cad7ae329530c..a1ced6e01b9b8 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -607,6 +607,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
         int typefaceIndex = -1;
         int styleIndex = -1;
         boolean allCaps = false;
+        int shadowcolor = 0;
+        float dx = 0, dy = 0, r = 0;
 
         final Resources.Theme theme = context.getTheme();
 
@@ -667,6 +669,22 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
                 case com.android.internal.R.styleable.TextAppearance_textAllCaps:
                     allCaps = appearance.getBoolean(attr, false);
                     break;
+
+                case com.android.internal.R.styleable.TextAppearance_shadowColor:
+                    shadowcolor = a.getInt(attr, 0);
+                    break;
+
+                case com.android.internal.R.styleable.TextAppearance_shadowDx:
+                    dx = a.getFloat(attr, 0);
+                    break;
+
+                case com.android.internal.R.styleable.TextAppearance_shadowDy:
+                    dy = a.getFloat(attr, 0);
+                    break;
+
+                case com.android.internal.R.styleable.TextAppearance_shadowRadius:
+                    r = a.getFloat(attr, 0);
+                    break;
                 }
             }
 
@@ -690,8 +708,6 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
         int maxlength = -1;
         CharSequence text = "";
         CharSequence hint = null;
-        int shadowcolor = 0;
-        float dx = 0, dy = 0, r = 0;
         boolean password = false;
         int inputType = EditorInfo.TYPE_NULL;
 
@@ -2331,6 +2347,19 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
 
         setTypefaceFromAttrs(familyName, typefaceIndex, styleIndex);
 
+        final int shadowcolor = appearance.getInt(
+                com.android.internal.R.styleable.TextAppearance_shadowColor, 0);
+        if (shadowcolor != 0) {
+            final float dx = appearance.getFloat(
+                    com.android.internal.R.styleable.TextAppearance_shadowDx, 0);
+            final float dy = appearance.getFloat(
+                    com.android.internal.R.styleable.TextAppearance_shadowDy, 0);
+            final float r = appearance.getFloat(
+                    com.android.internal.R.styleable.TextAppearance_shadowRadius, 0);
+
+            setShadowLayer(r, dx, dy, shadowcolor);
+        }
+
         if (appearance.getBoolean(com.android.internal.R.styleable.TextAppearance_textAllCaps,
                 false)) {
             setTransformationMethod(new AllCapsTransformationMethod(getContext()));
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 0fb8a105a6e2b..a3e5b2c85382c 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -3061,6 +3061,14 @@
         <attr name="textColorLink" />
         <!-- Present the text in ALL CAPS. This may use a small-caps form when available. -->
         <attr name="textAllCaps" format="boolean" />
+        <!-- Place a shadow of the specified color behind the text. -->
+        <attr name="shadowColor" format="color" />
+        <!-- Horizontal offset of the shadow. -->
+        <attr name="shadowDx" format="float" />
+        <!-- Vertical offset of the shadow. -->
+        <attr name="shadowDy" format="float" />
+        <!-- Radius of the shadow. -->
+        <attr name="shadowRadius" format="float" />
     </declare-styleable>
     <declare-styleable name="TextClock">
         <!-- Specifies the formatting pattern used to show the time and/or date
@@ -3195,13 +3203,13 @@
              specified number. -->
         <attr name="maxLength" format="integer" min="0" />
         <!-- Place a shadow of the specified color behind the text. -->
-        <attr name="shadowColor" format="color" />
+        <attr name="shadowColor" />
         <!-- Horizontal offset of the shadow. -->
-        <attr name="shadowDx" format="float" />
+        <attr name="shadowDx" />
         <!-- Vertical offset of the shadow. -->
-        <attr name="shadowDy" format="float" />
+        <attr name="shadowDy" />
         <!-- Radius of the shadow. -->
-        <attr name="shadowRadius" format="float" />
+        <attr name="shadowRadius" />
         <attr name="autoLink" />
         <!-- If set to false, keeps the movement method from being set
              to the link movement method even if autoLink causes links