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+/* include/graphics/SkScrollBarView.h
+**
+** Copyright 2006, Google Inc.
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#ifndef SkScrollBarView_DEFINED
+#define SkScrollBarView_DEFINED
+
+#include "SkView.h"
+#include "SkWidgetViews.h"
+#include "SkAnimator.h"
+
+class SkScrollBarView : public SkWidgetView {
+public:
+ SkScrollBarView();
+
+ unsigned getStart() const { return fStartPoint; }
+ unsigned getShown() const { return fShownLength; }
+ unsigned getTotal() const { return fTotalLength; }
+
+ void setStart(unsigned start);
+ void setShown(unsigned shown);
+ void setTotal(unsigned total);
+
+protected:
+ //overrides
+ virtual void onInflate(const SkDOM& dom, const SkDOM::Node* node);
+ virtual void onSizeChange();
+ virtual void onDraw(SkCanvas* canvas);
+ virtual bool onEvent(const SkEvent& evt);
+
+private:
+ SkAnimator fAnim;
+ unsigned fTotalLength, fStartPoint, fShownLength;
+
+ void adjust();
+
+ typedef SkWidgetView INHERITED;
+};
+#endif
+