/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 GFX_ImageLayerComposite_H
#define GFX_ImageLayerComposite_H

#include "GLTextureImage.h"      // for TextureImage
#include "ImageLayers.h"         // for ImageLayer
#include "mozilla/Attributes.h"  // for override
#include "mozilla/gfx/Rect.h"
#include "mozilla/RefPtr.h"                        // for RefPtr
#include "mozilla/layers/LayerManagerComposite.h"  // for LayerComposite, etc
#include "mozilla/layers/LayersTypes.h"            // for LayerRenderState, etc
#include "nsISupportsImpl.h"   // for TextureImage::AddRef, etc
#include "nscore.h"            // for nsACString
#include "CompositableHost.h"  // for CompositableHost

namespace mozilla {
namespace layers {

class ImageHost;
class Layer;

class ImageLayerComposite : public ImageLayer, public LayerComposite {
  typedef gl::TextureImage TextureImage;

 public:
  explicit ImageLayerComposite(LayerManagerComposite* aManager);

 protected:
  virtual ~ImageLayerComposite();

 public:
  void Disconnect() override;

  bool SetCompositableHost(CompositableHost* aHost) override;

  Layer* GetLayer() override;

  void SetLayerManager(HostLayerManager* aManager) override;

  void RenderLayer(const gfx::IntRect& aClipRect,
                   const Maybe<gfx::Polygon>& aGeometry) override;

  void ComputeEffectiveTransforms(
      const mozilla::gfx::Matrix4x4& aTransformToSurface) override;

  void CleanupResources() override;

  CompositableHost* GetCompositableHost() override;

  void GenEffectChain(EffectChain& aEffect) override;

  HostLayer* AsHostLayer() override { return this; }

  const char* Name() const override { return "ImageLayerComposite"; }

  bool IsOpaque() override;

  nsIntRegion GetFullyRenderedRegion() override;

 protected:
  void PrintInfo(std::stringstream& aStream, const char* aPrefix) override;

 private:
  gfx::SamplingFilter GetSamplingFilter();

 private:
  RefPtr<ImageHost> mImageHost;
};

}  // namespace layers
}  // namespace mozilla

#endif /* GFX_ImageLayerComposite_H */