From da489796e5836b7db4cf3c925c40db449ac6e9ec Mon Sep 17 00:00:00 2001
From: Romain Guy <romainguy@google.com>
Date: Thu, 3 Feb 2011 01:05:15 -0800
Subject: [PATCH] Fast transform properties setters. Bug #3413510

Change-Id: I2c83e219faff697a48a160fee627f87422a2cd08
---
 core/java/android/view/View.java | 66 ++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 9db43a1f56120..1ecf320c235ab 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -6406,6 +6406,53 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
         }
     }
 
+    /**
+     * @hide
+     */
+    public void setFastX(float x) {
+        mTranslationX = x - mLeft;
+        mMatrixDirty = true;
+    }
+
+    /**
+     * @hide
+     */
+    public void setFastY(float y) {
+        mTranslationY = y - mTop;
+        mMatrixDirty = true;
+    }
+    
+    /**
+     * @hide
+     */
+    public void setFastScaleX(float x) {
+        mScaleX = x;
+        mMatrixDirty = true;
+    }
+
+    /**
+     * @hide
+     */
+    public void setFastScaleY(float y) {
+        mScaleY = y;
+        mMatrixDirty = true;
+    }
+
+    /**
+     * @hide
+     */
+    public void setFastAlpha(float alpha) {
+        mAlpha = alpha;
+    }
+    
+    /**
+     * @hide
+     */
+    public void setFastRotationY(float y) {
+        mRotationY = y;
+        mMatrixDirty = true;
+    }
+    
     /**
      * Hit rectangle in parent's coordinates
      *
@@ -6946,6 +6993,25 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
         }
     }
 
+    /**
+     * @hide
+     */
+    public void fastInvalidate() {
+        if ((mPrivateFlags & (DRAWN | HAS_BOUNDS)) == (DRAWN | HAS_BOUNDS) ||
+            (mPrivateFlags & DRAWING_CACHE_VALID) == DRAWING_CACHE_VALID ||
+            (mPrivateFlags & INVALIDATED) != INVALIDATED) {
+            if (mParent instanceof View) {
+                ((View) mParent).mPrivateFlags |= INVALIDATED;
+            }
+            mPrivateFlags &= ~DRAWN;
+            mPrivateFlags |= INVALIDATED;
+            mPrivateFlags &= ~DRAWING_CACHE_VALID;
+            if (mParent != null && mAttachInfo != null && mAttachInfo.mHardwareAccelerated) {
+                mParent.invalidateChild(this, null);
+            }
+        }
+    }
+
     /**
      * Used to indicate that the parent of this view should clear its caches. This functionality
      * is used to force the parent to rebuild its display list (when hardware-accelerated),