Merge "Add the ability to enable/disable marquee fading per device"

3 files changed, 20 insertions, 2 deletions

diff --git a/core/java/android/view/ViewConfiguration.java b/core/java/android/view/ViewConfiguration.java
index dbcbd6e5ae1f..95209581f7c5 100644
--- a/core/java/android/view/ViewConfiguration.java
+++ b/core/java/android/view/ViewConfiguration.java
@@ -220,6 +220,7 @@ public class ViewConfiguration {
     private final int mMaximumDrawingCacheSize;
     private final int mOverscrollDistance;
     private final int mOverflingDistance;
+    private final boolean mFadingMarqueeEnabled;
 
     private boolean sHasPermanentMenuKey;
     private boolean sHasPermanentMenuKeySet;
@@ -246,6 +247,7 @@ public class ViewConfiguration {
         mMaximumDrawingCacheSize = MAXIMUM_DRAWING_CACHE_SIZE;
         mOverscrollDistance = OVERSCROLL_DISTANCE;
         mOverflingDistance = OVERFLING_DISTANCE;
+        mFadingMarqueeEnabled = true;
     }
 
     /**
@@ -297,6 +299,9 @@ public class ViewConfiguration {
                 sHasPermanentMenuKey = false;
             }
         }
+
+        mFadingMarqueeEnabled = res.getBoolean(
+                com.android.internal.R.bool.config_ui_enableFadingMarquee);
     }
 
     /**
@@ -673,4 +678,12 @@ public class ViewConfiguration {
     public boolean hasPermanentMenuKey() {
         return sHasPermanentMenuKey;
     }
+
+    /**
+     * @hide
+     * @return Whether or not marquee should use fading edges.
+     */
+    public boolean isFadingMarqueeEnabled() {
+        return mFadingMarqueeEnabled;
+    }
 }
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index ab66676e3ddd..65ee74581a79 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -999,7 +999,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
                 setEllipsize(TextUtils.TruncateAt.END);
                 break;
             case 4:
-                setHorizontalFadingEdgeEnabled(true);
+                setHorizontalFadingEdgeEnabled(
+                        ViewConfiguration.get(context).isFadingMarqueeEnabled());
                 setEllipsize(TextUtils.TruncateAt.MARQUEE);
                 break;
         }
@@ -3067,7 +3068,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
 
         if (text instanceof Spanned &&
             ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) {
-            setHorizontalFadingEdgeEnabled(true);
+            setHorizontalFadingEdgeEnabled(
+                    ViewConfiguration.get(mContext).isFadingMarqueeEnabled());
             setEllipsize(TextUtils.TruncateAt.MARQUEE);
         }
 
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 65dce4977eeb..73443a026603 100755
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -84,6 +84,9 @@
          specified for -large and -xlarge configurations. -->
     <dimen name="config_prefDialogWidth">320dp</dimen>
 
+    <!-- Enables or disables fading edges when marquee is enabled in TextView. -->
+    <bool name="config_ui_enableFadingMarquee">true</bool>
+
     <!-- Whether dialogs should close automatically when the user touches outside
          of them.  This should not normally be modified. -->
     <bool name="config_closeDialogWhenTouchOutside">false</bool>