/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef GPU_CanvasContext_H_
#define GPU_CanvasContext_H_

#include "nsICanvasRenderingContextInternal.h"
#include "nsWrapperCache.h"
#include "ObjectModel.h"
#include "SwapChain.h"

namespace mozilla {
namespace dom {
class Promise;
}
namespace webgpu {
class Device;
class SwapChain;

class CanvasContext final : public nsICanvasRenderingContextInternal,
                            public nsWrapperCache {
 private:
  virtual ~CanvasContext();

 public:
  CanvasContext() = delete;

  JSObject* WrapObject(JSContext* aCx,
                       JS::Handle<JSObject*> aGivenProto) override;

  // nsISupports interface + CC
  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(CanvasContext)

 public:
  // nsICanvasRenderingContextInternal
  int32_t GetWidth() override { return 0; }
  int32_t GetHeight() override { return 0; }

  NS_IMETHOD SetDimensions(int32_t aWidth, int32_t aHeight) override {
    return NS_OK;
  }
  NS_IMETHOD InitializeWithDrawTarget(
      nsIDocShell* aShell, NotNull<gfx::DrawTarget*> aTarget) override {
    return NS_OK;
  }

  mozilla::UniquePtr<uint8_t[]> GetImageBuffer(int32_t* aFormat) override {
    MOZ_CRASH("todo");
  }
  NS_IMETHOD GetInputStream(const char* aMimeType,
                            const nsAString& aEncoderOptions,
                            nsIInputStream** aStream) override {
    *aStream = nullptr;
    return NS_OK;
  }

  already_AddRefed<mozilla::gfx::SourceSurface> GetSurfaceSnapshot(
      gfxAlphaType* aOutAlphaType) override {
    return nullptr;
  }

  void SetOpaqueValueFromOpaqueAttr(bool aOpaqueAttrValue) override {}
  bool GetIsOpaque() override { return true; }
  NS_IMETHOD Reset() override { return NS_OK; }
  already_AddRefed<Layer> GetCanvasLayer(nsDisplayListBuilder* aBuilder,
                                         Layer* aOldLayer,
                                         LayerManager* aManager) override {
    return nullptr;
  }
  void MarkContextClean() override {}

  NS_IMETHOD Redraw(const gfxRect& aDirty) override { return NS_OK; }
  NS_IMETHOD SetIsIPC(bool aIsIPC) override { return NS_OK; }

  void DidRefresh() override {}

  void MarkContextCleanForFrameCapture() override {}
  bool IsContextCleanForFrameCapture() override { return false; }
};

}  // namespace webgpu
}  // namespace mozilla

#endif  // GPU_CanvasContext_H_