SkiaExamples improvements.

experimental/SkiaExamples/SkExample.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 BaseExample_DEFINED
-#define BaseExample_DEFINED
+#ifndef SkExample_DEFINED
+#define SkExample_DEFINED
 
 #include "SkWindow.h"
+#include "SkTRegistry.h"
 
 class GrContext;
 struct GrGLInterface;
 class GrRenderTarget;
 class SkCanvas;
+class SkExampleWindow;
 
-class BaseExample : public SkOSWindow {
+class SkExample : public SkNoncopyable {
+public:
+    SkExample(SkExampleWindow* window) : fWindow(window) {}
+
+    // Your class should override this method to do its thing.
+    virtual void draw(SkCanvas* canvas) = 0;
+
+    SkString getName() { return fName; };
+    // Use this public registry to tell the world about your sample.
+    typedef SkTRegistry<SkExample*, SkExampleWindow*> Registry;
+
+protected:
+    SkExampleWindow* fWindow;
+    SkString fName;
+};
+
+class SkExampleWindow : public SkOSWindow {
 public:
     enum DeviceType {
         kRaster_DeviceType,
         kGPU_DeviceType,
     };
-    BaseExample(void* hWnd, int argc, char** argv);
+    SkExampleWindow(void* hwnd);
 
     // Changes the device type of the object.
     bool setupBackend(DeviceType type);
     void tearDownBackend();
 
     DeviceType getDeviceType() const { return fType; }
 
 protected:
-    // Your class should override this method to do its thing.
     virtual void draw(SkCanvas* canvas) SK_OVERRIDE;
 
     virtual void onSizeChange() SK_OVERRIDE;
 
 #ifdef SK_BUILD_FOR_WIN
     virtual void onHandleInval(const SkIRect&) SK_OVERRIDE;
 #endif
 
     SkCanvas* createCanvas() SK_OVERRIDE;
 
 private:
+    bool findNextMatch();  // Set example to the first one that matches FLAGS_match.
     void setupRenderTarget();
+    bool onHandleChar(SkUnichar unichar) SK_OVERRIDE;
 
     DeviceType fType;
 
+    SkExample* fCurrExample;
+    const SkExample::Registry* fRegistry;
+    SkTDArray<const char*> fMatchStrs;
     GrContext* fContext;
     GrRenderTarget* fRenderTarget;
     AttachmentInfo fAttachmentInfo;
     const GrGLInterface* fInterface;
+
     typedef SkOSWindow INHERITED;
 };
+
 #endif
+