/*
 * Copyright 2021 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef SkSLDebuggerSlide_DEFINED
#define SkSLDebuggerSlide_DEFINED

#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "src/sksl/tracing/SkSLDebugTracePlayer.h"
#include "src/sksl/tracing/SkSLDebugTracePriv.h"
#include "tools/viewer/Slide.h"

class SkCanvas;

namespace skui {
enum class InputState;
enum class ModifierKey;
}  // namespace sk

class SkSLDebuggerSlide : public Slide {
public:
    SkSLDebuggerSlide();

    void draw(SkCanvas* canvas) override;
    bool animate(double nanos) override;

    void resize(SkScalar winWidth, SkScalar winHeight) override {}
    void load(SkScalar winWidth, SkScalar winHeight) override;
    void unload() override;

    bool onMouse(SkScalar x, SkScalar y, skui::InputState state,
                 skui::ModifierKey modifiers) override { return true; }

private:
    void showRootGUI();
    void showLoadTraceGUI();
    void showDebuggerGUI();
    void showStackTraceTable();
    void showVariableTable();
    void showCodeTable();

    static constexpr int kNumTopRows = 12;

    sk_sp<SkSL::DebugTracePriv> fTrace;
    SkSL::SkSLDebugTracePlayer fPlayer;
    bool fRefresh = false;

    char fTraceFile[256] = "SkSLDebugTrace.json";
};

#endif  // SkSLDebuggerSlide_DEFINED