move GMSampleView into its own cpp

samplecode/GMSampleView.cpp

+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GMSampleView.h"
+
+GMSampleView::GMSampleView(GM* gm) : fShowSize(false), fGM(gm) {}
+
+GMSampleView::~GMSampleView() {
+    delete fGM;
+}
+
+SkEvent* GMSampleView::NewShowSizeEvt(bool doShowSize) {
+    SkEvent* evt = SkNEW_ARGS(SkEvent, ("GMSampleView::showSize"));
+    evt->setFast32(doShowSize);
+    return evt;
+}
+
+bool GMSampleView::onQuery(SkEvent* evt) {
+    if (SampleCode::TitleQ(*evt)) {
+        SkString name("GM:");
+        name.append(fGM->getName());
+        SampleCode::TitleR(evt, name.c_str());
+        return true;
+    }
+    return this->INHERITED::onQuery(evt);
+}
+
+bool GMSampleView::onEvent(const SkEvent& evt) {
+    if (evt.isType("GMSampleView::showSize")) {
+        fShowSize = SkToBool(evt.getFast32());
+        return true;
+    }
+    return this->INHERITED::onEvent(evt);
+}
+
+void GMSampleView::onDrawContent(SkCanvas* canvas) {
+    {
+        SkAutoCanvasRestore acr(canvas, fShowSize);
+        fGM->drawContent(canvas);
+    }
+    if (fShowSize) {
+        SkISize size = fGM->getISize();
+        SkRect r = SkRect::MakeWH(SkIntToScalar(size.width()),
+                                  SkIntToScalar(size.height()));
+        SkPaint paint;
+        paint.setColor(0x40FF8833);
+        canvas->drawRect(r, paint);
+    }
+}
+
+void GMSampleView::onDrawBackground(SkCanvas* canvas) {
+    fGM->drawBackground(canvas);
+}
+
+bool GMSampleView::onAnimate(const SkAnimTimer& timer) {
+    return fGM->animate(timer);
+}
+