Merge "DO NOT MERGE: Backport more USB accessory changes from honeycomb" into gingerbread
diff --git a/core/jni/android_util_Binder.cpp b/core/jni/android_util_Binder.cpp
index 7a53874..8db2553 100644
--- a/core/jni/android_util_Binder.cpp
+++ b/core/jni/android_util_Binder.cpp
@@ -603,6 +603,15 @@
 
 static void android_os_Binder_restoreCallingIdentity(JNIEnv* env, jobject clazz, jlong token)
 {
+    // XXX temporary sanity check to debug crashes.
+    int uid = (int)(token>>32);
+    if (uid > 0 && uid < 999) {
+        // In Android currently there are no uids in this range.
+        char buf[128];
+        sprintf(buf, "Restoring bad calling ident: 0x%Lx", token);
+        jniThrowException(env, "java/lang/IllegalStateException", buf);
+        return;
+    }
     IPCThreadState::self()->restoreCallingIdentity(token);
 }
 
diff --git a/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
index 02a2ddf..49c1e4b 100644
--- a/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
@@ -33,6 +33,7 @@
 import java.awt.RenderingHints;
 import java.awt.Shape;
 import java.awt.geom.AffineTransform;
+import java.awt.geom.Arc2D;
 import java.awt.image.BufferedImage;
 import java.util.List;
 
@@ -297,7 +298,7 @@
             Paint paint) {
         draw(thisCanvas.mNativeCanvas, paint.mNativePaint, false /*compositeOnly*/,
                 false /*forceSrcMode*/, new GcSnapshot.Drawable() {
-                    public void draw(Graphics2D graphics, Paint_Delegate paint) {
+                    public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                         for (int i = 0 ; i < count ; i += 4) {
                             graphics.drawLine((int)pts[i + offset], (int)pts[i + offset + 1],
                                     (int)pts[i + offset + 2], (int)pts[i + offset + 3]);
@@ -321,12 +322,12 @@
             Canvas_Delegate newDelegate = new Canvas_Delegate(bitmapDelegate);
 
             return sManager.addNewDelegate(newDelegate);
-        } else {
-            // create a new Canvas_Delegate and return its new native int.
-            Canvas_Delegate newDelegate = new Canvas_Delegate();
-
-            return sManager.addNewDelegate(newDelegate);
         }
+
+        // create a new Canvas_Delegate and return its new native int.
+        Canvas_Delegate newDelegate = new Canvas_Delegate();
+
+        return sManager.addNewDelegate(newDelegate);
     }
 
     @LayoutlibDelegate
@@ -668,7 +669,7 @@
 
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                 new GcSnapshot.Drawable() {
-                    public void draw(Graphics2D graphics, Paint_Delegate paint) {
+                    public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                         graphics.drawLine((int)startX, (int)startY, (int)stopX, (int)stopY);
                     }
         });
@@ -686,8 +687,8 @@
 
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                 new GcSnapshot.Drawable() {
-                    public void draw(Graphics2D graphics, Paint_Delegate paint) {
-                        int style = paint.getStyle();
+                    public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
+                        int style = paintDelegate.getStyle();
 
                         // draw
                         if (style == Paint.Style.FILL.nativeInt ||
@@ -710,8 +711,8 @@
         if (oval.right > oval.left && oval.bottom > oval.top) {
             draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                     new GcSnapshot.Drawable() {
-                        public void draw(Graphics2D graphics, Paint_Delegate paint) {
-                            int style = paint.getStyle();
+                        public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
+                            int style = paintDelegate.getStyle();
 
                             // draw
                             if (style == Paint.Style.FILL.nativeInt ||
@@ -740,10 +741,32 @@
 
     @LayoutlibDelegate
     /*package*/ static void native_drawArc(int nativeCanvas,
-            RectF oval, float startAngle, float sweep, boolean useCenter, int paint) {
-        // FIXME
-        Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
-                "Canvas.drawArc is not supported.", null, null /*data*/);
+            final RectF oval, final float startAngle, final float sweep,
+            final boolean useCenter, int paint) {
+        if (oval.right > oval.left && oval.bottom > oval.top) {
+            draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
+                    new GcSnapshot.Drawable() {
+                        public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
+                            int style = paintDelegate.getStyle();
+
+                            Arc2D.Float arc = new Arc2D.Float(
+                                    oval.left, oval.top, oval.width(), oval.height(),
+                                    -startAngle, -sweep,
+                                    useCenter ? Arc2D.PIE : Arc2D.OPEN);
+
+                            // draw
+                            if (style == Paint.Style.FILL.nativeInt ||
+                                    style == Paint.Style.FILL_AND_STROKE.nativeInt) {
+                                graphics.fill(arc);
+                            }
+
+                            if (style == Paint.Style.STROKE.nativeInt ||
+                                    style == Paint.Style.FILL_AND_STROKE.nativeInt) {
+                                graphics.draw(arc);
+                            }
+                        }
+            });
+        }
     }
 
     @LayoutlibDelegate
@@ -752,8 +775,8 @@
 
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                 new GcSnapshot.Drawable() {
-                    public void draw(Graphics2D graphics, Paint_Delegate paint) {
-                        int style = paint.getStyle();
+                    public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
+                        int style = paintDelegate.getStyle();
 
                         // draw
                         if (style == Paint.Style.FILL.nativeInt ||
@@ -784,9 +807,9 @@
 
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                 new GcSnapshot.Drawable() {
-                    public void draw(Graphics2D graphics, Paint_Delegate paint) {
+                    public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                         Shape shape = pathDelegate.getJavaShape();
-                        int style = paint.getStyle();
+                        int style = paintDelegate.getStyle();
 
                         if (style == Paint.Style.FILL.nativeInt ||
                                 style == Paint.Style.FILL_AND_STROKE.nativeInt) {
@@ -965,23 +988,23 @@
             final float startX, final float startY, int paint) {
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                 new GcSnapshot.Drawable() {
-            public void draw(Graphics2D graphics, Paint_Delegate paint) {
+            public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                 // WARNING: the logic in this method is similar to Paint_Delegate.measureText.
                 // Any change to this method should be reflected in Paint.measureText
                 // Paint.TextAlign indicates how the text is positioned relative to X.
                 // LEFT is the default and there's nothing to do.
                 float x = startX;
                 float y = startY;
-                if (paint.getTextAlign() != Paint.Align.LEFT.nativeInt) {
-                    float m = paint.measureText(text, index, count);
-                    if (paint.getTextAlign() == Paint.Align.CENTER.nativeInt) {
+                if (paintDelegate.getTextAlign() != Paint.Align.LEFT.nativeInt) {
+                    float m = paintDelegate.measureText(text, index, count);
+                    if (paintDelegate.getTextAlign() == Paint.Align.CENTER.nativeInt) {
                         x -= m / 2;
-                    } else if (paint.getTextAlign() == Paint.Align.RIGHT.nativeInt) {
+                    } else if (paintDelegate.getTextAlign() == Paint.Align.RIGHT.nativeInt) {
                         x -= m;
                     }
                 }
 
-                List<FontInfo> fonts = paint.getFonts();
+                List<FontInfo> fonts = paintDelegate.getFonts();
 
                 if (fonts.size() > 0) {
                     FontInfo mainFont = fonts.get(0);
diff --git a/tools/layoutlib/bridge/src/android/graphics/Path_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/Path_Delegate.java
index 6c9f48f..64f19d3 100644
--- a/tools/layoutlib/bridge/src/android/graphics/Path_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/Path_Delegate.java
@@ -28,10 +28,12 @@
 import java.awt.geom.AffineTransform;
 import java.awt.geom.Arc2D;
 import java.awt.geom.Area;
+import java.awt.geom.Ellipse2D;
 import java.awt.geom.GeneralPath;
 import java.awt.geom.PathIterator;
 import java.awt.geom.Point2D;
 import java.awt.geom.Rectangle2D;
+import java.awt.geom.RoundRectangle2D;
 
 /**
  * Delegate implementing the native methods of android.graphics.Path
@@ -331,58 +333,91 @@
 
     @LayoutlibDelegate
     /*package*/ static void native_addOval(int nPath, RectF oval, int dir) {
-        // FIXME
-        Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
-                "Path.addOval is not supported.", null, null /*data*/);
+        Path_Delegate pathDelegate = sManager.getDelegate(nPath);
+        if (pathDelegate == null) {
+            return;
+        }
+
+        pathDelegate.mPath.append(new Ellipse2D.Float(
+                oval.left, oval.top, oval.width(), oval.height()), false);
     }
 
     @LayoutlibDelegate
     /*package*/ static void native_addCircle(int nPath, float x, float y, float radius, int dir) {
-        // FIXME
-        Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
-                "Path.addCircle is not supported.", null, null /*data*/);
+        Path_Delegate pathDelegate = sManager.getDelegate(nPath);
+        if (pathDelegate == null) {
+            return;
+        }
+
+        // because x/y is the center of the circle, need to offset this by the radius
+        pathDelegate.mPath.append(new Ellipse2D.Float(
+                x - radius, y - radius, radius * 2, radius * 2), false);
     }
 
     @LayoutlibDelegate
     /*package*/ static void native_addArc(int nPath, RectF oval,
             float startAngle, float sweepAngle) {
-        // FIXME
-        Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
-                "Path.addArc is not supported.", null, null /*data*/);
+        Path_Delegate pathDelegate = sManager.getDelegate(nPath);
+        if (pathDelegate == null) {
+            return;
+        }
+
+        // because x/y is the center of the circle, need to offset this by the radius
+        pathDelegate.mPath.append(new Arc2D.Float(
+                oval.left, oval.top, oval.width(), oval.height(),
+                -startAngle, -sweepAngle, Arc2D.OPEN), false);
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_addRoundRect(int nPath, RectF rect,
-            float rx, float ry, int dir) {
-        // FIXME
-        Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
-                "Path.addRoundRect is not supported.", null, null /*data*/);
+    /*package*/ static void native_addRoundRect(
+            int nPath, RectF rect, float rx, float ry, int dir) {
+
+        Path_Delegate pathDelegate = sManager.getDelegate(nPath);
+        if (pathDelegate == null) {
+            return;
+        }
+
+        pathDelegate.mPath.append(new RoundRectangle2D.Float(
+                rect.left, rect.top, rect.width(), rect.height(), rx * 2, ry * 2), false);
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_addRoundRect(int nPath, RectF r, float[] radii, int dir) {
-        // FIXME
-        Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
-                "Path.addRoundRect is not supported.", null, null /*data*/);
+    /*package*/ static void native_addRoundRect(int nPath, RectF rect, float[] radii, int dir) {
+        // Java2D doesn't support different rounded corners in each corner, so just use the
+        // first value.
+        native_addRoundRect(nPath, rect, radii[0], radii[1], dir);
+
+        // there can be a case where this API is used but with similar values for all corners, so
+        // in that case we don't warn.
+        // we only care if 2 corners are different so just compare to the next one.
+        for (int i = 0 ; i < 3 ; i++) {
+            if (radii[i * 2] != radii[(i + 1) * 2] || radii[i * 2 + 1] != radii[(i + 1) * 2 + 1]) {
+                Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
+                        "Different corner sizes are not supported in Path.addRoundRect.",
+                        null, null /*data*/);
+                break;
+            }
+        }
     }
 
     @LayoutlibDelegate
     /*package*/ static void native_addPath(int nPath, int src, float dx, float dy) {
-        // FIXME
-        Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
-                "Path.addPath is not supported.", null, null /*data*/);
+        addPath(nPath, src, AffineTransform.getTranslateInstance(dx, dy));
     }
 
     @LayoutlibDelegate
     /*package*/ static void native_addPath(int nPath, int src) {
-        native_addPath(nPath, src, 0, 0);
+        addPath(nPath, src, null /*transform*/);
     }
 
     @LayoutlibDelegate
     /*package*/ static void native_addPath(int nPath, int src, int matrix) {
-        // FIXME
-        Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
-                "Path.addPath is not supported.", null, null /*data*/);
+        Matrix_Delegate matrixDelegate = Matrix_Delegate.getDelegate(matrix);
+        if (matrixDelegate == null) {
+            return;
+        }
+
+        addPath(nPath, src, matrixDelegate.getAffineTransform());
     }
 
     @LayoutlibDelegate
@@ -487,6 +522,26 @@
         return null;
     }
 
+    private static void addPath(int destPath, int srcPath, AffineTransform transform) {
+        Path_Delegate destPathDelegate = sManager.getDelegate(destPath);
+        if (destPathDelegate == null) {
+            return;
+        }
+
+        Path_Delegate srcPathDelegate = sManager.getDelegate(srcPath);
+        if (srcPathDelegate == null) {
+            return;
+        }
+
+        if (transform != null) {
+            destPathDelegate.mPath.append(
+                    srcPathDelegate.mPath.getPathIterator(transform), false);
+        } else {
+            destPathDelegate.mPath.append(srcPathDelegate.mPath, false);
+        }
+    }
+
+
     /**
      * Returns whether the path is empty.
      * @return true if the path is empty.
@@ -652,10 +707,9 @@
      *                    mod 360.
      * @param forceMoveTo If true, always begin a new contour with the arc
      */
-    private void arcTo(RectF oval, float startAngle, float sweepAngle,
-                      boolean forceMoveTo) {
-        Arc2D arc = new Arc2D.Float(oval.left, oval.top, oval.width(), oval.height(), startAngle,
-                sweepAngle, Arc2D.OPEN);
+    private void arcTo(RectF oval, float startAngle, float sweepAngle, boolean forceMoveTo) {
+        Arc2D arc = new Arc2D.Float(oval.left, oval.top, oval.width(), oval.height(), -startAngle,
+                -sweepAngle, Arc2D.OPEN);
         mPath.append(arc, true /*connect*/);
 
         resetLastPointFromPath();
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java
index 2792100..b1a7824 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java
@@ -192,7 +192,7 @@
                 Capability.UNBOUND_RENDERING,
                 Capability.CUSTOM_BACKGROUND_COLOR,
                 Capability.RENDER,
-                Capability.LAYOUT_ONLY,
+                //Capability.LAYOUT_ONLY, // disable to run on ADT 10.0 which doesn't include this.
                 Capability.EMBEDDED_LAYOUT,
                 Capability.VIEW_MANIPULATION);
 
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeTypedArray.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeTypedArray.java
index c1d7600..138a455 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeTypedArray.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeTypedArray.java
@@ -412,9 +412,7 @@
             return LayoutParams.MATCH_PARENT;
         } else if (s.equals(BridgeConstants.WRAP_CONTENT)) {
             return LayoutParams.WRAP_CONTENT;
-        }
-
-        if (RenderResources.REFERENCE_NULL.equals(s)) {
+        } else if (RenderResources.REFERENCE_NULL.equals(s)) {
             return defValue;
         }
 
@@ -486,23 +484,32 @@
             return LayoutParams.MATCH_PARENT;
         } else if (s.equals(BridgeConstants.WRAP_CONTENT)) {
             return LayoutParams.WRAP_CONTENT;
-        }
-
-        if (RenderResources.REFERENCE_NULL.equals(s)) {
+        } else if (RenderResources.REFERENCE_NULL.equals(s)) {
             return defValue;
         }
 
-        // FIXME huh?
+        if (ResourceHelper.stringToFloat(s, mValue)) {
+            float f = mValue.getDimension(mBridgeResources.mMetrics);
 
-        float f = getDimension(index, defValue);
-        final int res = (int)(f+0.5f);
-        if (res != 0) return res;
-        if (f == 0) return 0;
-        if (f > 0) return 1;
+            if (f < 0) {
+                // negative values are not allowed in pixel dimensions
+                Bridge.getLog().error(LayoutLog.TAG_BROKEN,
+                        "Negative pixel dimension: " + s,
+                        null, null /*data*/);
+                return defValue;
+            }
 
-        Bridge.getLog().error(LayoutLog.TAG_RESOURCES_FORMAT,
-                "Can't convert to dimension: " + Integer.toString(index),
-                null, null /*data*/);
+            if (f == 0) return 0;
+            if (f < 1) return 1;
+
+            return (int)(f+0.5f);
+        }
+
+        // looks like we were unable to resolve the dimension value
+        Bridge.getLog().warning(LayoutLog.TAG_RESOURCES_FORMAT,
+                String.format(
+                    "\"%1$s\" in attribute \"%2$s\" is not a valid format.",
+                    s, mNames[index]), null /*data*/);
 
         return defValue;
     }
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/ResourceHelper.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/ResourceHelper.java
index 69f46e6..649160e 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/ResourceHelper.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/ResourceHelper.java
@@ -377,7 +377,7 @@
         }
 
         // check the first character
-        if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.') {
+        if (buf[0] < '0' && buf[0] > '9' && buf[0] != '.' && buf[0] != '-') {
             return false;
         }