2012-04-19 14:35:52 +08:00
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/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SkScrollBarView_DEFINED
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#define SkScrollBarView_DEFINED
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#include "SkView.h"
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#include "SkWidgetViews.h"
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#include "SkAnimator.h"
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class SkScrollBarView : public SkWidgetView {
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public:
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SkScrollBarView();
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unsigned getStart() const { return fStartPoint; }
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unsigned getShown() const { return fShownLength; }
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unsigned getTotal() const { return fTotalLength; }
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void setStart(unsigned start);
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void setShown(unsigned shown);
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void setTotal(unsigned total);
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protected:
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//overrides
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virtual void onInflate(const SkDOM& dom, const SkDOM::Node* node);
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virtual void onSizeChange();
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virtual void onDraw(SkCanvas* canvas);
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virtual bool onEvent(const SkEvent& evt);
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private:
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SkAnimator fAnim;
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unsigned fTotalLength, fStartPoint, fShownLength;
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void adjust();
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typedef SkWidgetView INHERITED;
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};
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#endif
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