add SkAnimTimer, SPACE = pause/resume, ESP = stop

samplecode/SampleHT.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SampleCode.h"
+#include "SkAnimTimer.h"
 #include "SkView.h"
 #include "SkCanvas.h"
 #include "SkCanvasDrawable.h"
 #include "SkInterpolator.h"
 #include "SkPictureRecorder.h"
 #include "SkRandom.h"
 
 const SkRect gUnitSquare = { -1, -1, 1, 1 };
 
 static void color_to_floats(SkColor c, SkScalar f[4]) {
@@ skipping 129 matching lines @@
             SampleCode::TitleR(evt, "HT");
             return true;
         }
         return this->INHERITED::onQuery(evt);
     }
 
     void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
         canvas->EXPERIMENTAL_drawDrawable(fRoot);
     }
 
-    bool onAnimatePulse(SkMSec curr, SkMSec prev) SK_OVERRIDE {
-        fTime = curr;
+    bool onAnimate(const SkAnimTimer& timer) SK_OVERRIDE {
+        fTime = timer.msec();
         for (int i = 0; i < N; ++i) {
             fArray[i].fDrawable->setTime(fTime);
         }
         return true;
     }
 
     SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) SK_OVERRIDE {
         // search backwards to find the top-most
         for (int i = N - 1; i >= 0; --i) {
             if (fArray[i].fDrawable->hitTest(x, y)) {
                 fArray[i].fDrawable->spawnAnimation(fTime);
                 break;
             }
         }
         this->inval(NULL);
         return NULL;
     }
 
 private:
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new HTView; }
 static SkViewRegister reg(MyFactory);