commit 2290d2174a096d537f8cf899243ecaa9cb88ad5b
author Mike Reed <reed@google.com> Fri Jan 08 10:31:53 2010 -0500
committer Mike Reed <reed@google.com> Fri Jan 08 16:17:14 2010 -0500
tree e7c183b15b7eabcb9456400fbd82a63c9490cb07
parent a9d64b06d21915dc7845c77d8f97469ce2ca60a3

enable drag-trackers via about:debug.dragN where N is

0: no tracker (default)
1: variant 1
2: variant 2

src/com/android/browser/MeshTracker.java

diff --git a/src/com/android/browser/MeshTracker.java b/src/com/android/browser/MeshTracker.java
index a02f451..ec730e3 100644
--- a/src/com/android/browser/MeshTracker.java
+++ b/src/com/android/browser/MeshTracker.java
@@ -11,6 +11,7 @@
 /*package*/ class MeshTracker extends WebView.DragTracker {
 
     private static class Mesh {
+        private int mWhich;
         private int mRows;
         private int mCols;
         private BoundaryPatch mPatch = new BoundaryPatch();
@@ -18,7 +19,8 @@
         private float[] mOrig = new float[24];
         private float mStretchX, mStretchY;
 
-        Mesh(int rows, int cols) {
+        Mesh(int which, int rows, int cols) {
+            mWhich = which;
             mRows = rows;
             mCols = cols;
         }
@@ -61,7 +63,7 @@
         }
 
         // first experimental behavior
-        private void doit0(float dx, float dy) {
+        private void doit1(float dx, float dy) {
             int index;
 
             if (dx < 0) {
@@ -81,7 +83,7 @@
             mCubics[index*2 + 3] = mOrig[index*2 + 3] + dy;
         }
 
-        private void doit1(float dx, float dy) {
+        private void doit2(float dx, float dy) {
             int index;
 
             if (dx < 0) {
@@ -104,7 +106,14 @@
         public void setStretch(float dx, float dy) {
             mStretchX = dx;
             mStretchY = dy;
-            doit1(dx, dy);
+            switch (mWhich) {
+                case 1:
+                    doit1(dx, dy);
+                    break;
+                case 2:
+                    doit2(dx, dy);
+                    break;
+            }
             rebuildPatch();
         }
 
@@ -115,11 +124,14 @@
 
     private Mesh mMesh;
     private Bitmap mBitmap;
+    private int mWhich;
 
-    public MeshTracker() {}
+    public MeshTracker(int which) {
+        mWhich = which;
+    }
 
     @Override public void onStartDrag(float x, float y) {
-        mMesh = new Mesh(16, 16);
+        mMesh = new Mesh(mWhich, 16, 16);
     }
 
     @Override public void onBitmapChange(Bitmap bm) {