blob: 1086b2bdb82a5bdde62ec66191be0209a6c50aa5 [file] [log] [blame]
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef Slide_DEFINED
#define Slide_DEFINED
#include "include/core/SkRefCnt.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "tools/Registry.h"
#include "tools/skui/InputState.h"
#include "tools/skui/ModifierKey.h"
class SkCanvas;
class SkMetaData;
class Slide;
using SlideFactory = Slide* (*)();
using SlideRegistry = sk_tools::Registry<SlideFactory>;
#define DEF_SLIDE(code) \
static Slide* SK_MACRO_APPEND_LINE(F_)() { code } \
static SlideRegistry SK_MACRO_APPEND_LINE(R_)(SK_MACRO_APPEND_LINE(F_));
class Slide : public SkRefCnt {
public:
/**
* A slide may have a content dimensions that is independent of the current window size. An
* empty size indicates that the Slide's dimensions are equal to the window's dimensions.
*/
virtual SkISize getDimensions() const { return SkISize::MakeEmpty(); }
virtual void gpuTeardown() { }
virtual void draw(SkCanvas* canvas) = 0;
virtual bool animate(double nanos) { return false; }
virtual void load(SkScalar winWidth, SkScalar winHeight) {}
virtual void resize(SkScalar winWidth, SkScalar winHeight) {}
virtual void unload() {}
virtual bool onChar(SkUnichar c) { return false; }
virtual bool onMouse(SkScalar x, SkScalar y, skui::InputState state,
skui::ModifierKey modifiers) { return false; }
virtual bool onGetControls(SkMetaData*) { return false; }
virtual void onSetControls(const SkMetaData&) {}
const SkString& getName() { return fName; }
protected:
SkString fName;
};
#endif