Fleshed out a lot of the Path interfac

experimental/SkV8Example/SkV8Example.h

 /*
  * Copyright 2013 Google Inc.
  *
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  */
 
 #ifndef SkV8Example_DEFINED
 #define SkV8Example_DEFINED
 
-#include <v8.h>
+#include "SkWindow.h"
 
-#include "SkWindow.h"
-#include "SkPaint.h"
-
-using namespace v8;
-
-class SkCanvas;
-class JsCanvas;
-class Global;
+class JsContext;
 
 class SkV8ExampleWindow : public SkOSWindow {
 public:
-    SkV8ExampleWindow(void* hwnd, JsCanvas* canvas);
+    SkV8ExampleWindow(void* hwnd, JsContext* canvas);
 
 protected:
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE;
 
 #ifdef SK_BUILD_FOR_WIN
     virtual void onHandleInval(const SkIRect&) SK_OVERRIDE;
 #endif
 
 private:
     typedef SkOSWindow INHERITED;
-    JsCanvas* fJsCanvas;
-};
-
-
-// Provides the canvas implementation in JS, and the OnDraw() method in C++
-// that's used to bridge from C++ to JS. Should be used in JS as:
-//
-//  function onDraw(canvas) {
-//    canvas.fillStyle="#FF0000";
-//    canvas.fillRect(x, y, w, h);
-//  }
-class JsCanvas {
-public:
-    JsCanvas(Global* global)
-            : fGlobal(global)
-            , fCanvas(NULL)
-    {
-        fFillStyle.setColor(SK_ColorRED);
-    }
-    ~JsCanvas();
-
-    // Parse the script.
-    bool initialize();
-
-    // Call this with the SkCanvas you want onDraw to draw on.
-    void onDraw(SkCanvas* canvas);
-
-private:
-    // Implementation of the canvas.fillStyle field.
-    static void GetFillStyle(Local<String> name,
-                             const PropertyCallbackInfo<Value>& info);
-    static void SetFillStyle(Local<String> name, Local<Value> value,
-                             const PropertyCallbackInfo<void>& info);
-
-    // Implementation of the canvas.fillRect() JS function.
-    static void FillRect(const v8::FunctionCallbackInfo<Value>& args);
-
-    // Get the pointer out of obj.
-    static JsCanvas* Unwrap(Handle<Object> obj);
-
-    // Create a template for JS object associated with JsCanvas, called lazily
-    // by Wrap() and the results are stored in fCanvasTemplate;
-    Handle<ObjectTemplate> makeCanvasTemplate();
-
-    // Wrap the 'this' pointer into an Object. Can be retrieved via Unwrap.
-    Handle<Object> wrap();
-
-    Global* fGlobal;
-
-    // Only valid when inside OnDraw().
-    SkCanvas* fCanvas;
-
-    SkPaint fFillStyle;
-
-    // A handle to the onDraw function defined in the script.
-    Persistent<Function> fOnDraw;
-
-    // The template for what a canvas object looks like. The canvas object is
-    // what's passed into the JS onDraw() function.
-    static Persistent<ObjectTemplate> fCanvasTemplate;
+    JsContext* fJsContext;
 };
 
 #endif