1 files changed, 80 insertions, 0 deletions
diff --git a/gfx/layers/client/ClientCanvasLayer.h b/gfx/layers/client/ClientCanvasLayer.h
new file mode 100644
index 0000000000..64576f9e79
--- /dev/null
+++ b/gfx/layers/client/ClientCanvasLayer.h
@@ -0,0 +1,80 @@
+/* -*- 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_CLIENTCANVASLAYER_H
+#define GFX_CLIENTCANVASLAYER_H
+
+#include "ClientCanvasRenderer.h"
+#include "ClientLayerManager.h"             // for ClientLayerManager, etc
+#include "Layers.h"                         // for CanvasLayer, etc
+#include "mozilla/Attributes.h"             // for override
+#include "mozilla/layers/CanvasClient.h"    // for CanvasClient, etc
+#include "mozilla/layers/LayersMessages.h"  // for CanvasLayerAttributes, etc
+#include "mozilla/mozalloc.h"               // for operator delete
+#include "nsDebug.h"                        // for NS_ASSERTION
+#include "nsISupportsImpl.h"                // for MOZ_COUNT_CTOR, etc
+
+namespace mozilla {
+namespace layers {
+
+class CompositableClient;
+class ShadowableLayer;
+
+class ClientCanvasLayer : public CanvasLayer, public ClientLayer {
+ public:
+  explicit ClientCanvasLayer(ClientLayerManager* aLayerManager)
+      : CanvasLayer(aLayerManager, static_cast<ClientLayer*>(this)) {
+    MOZ_COUNT_CTOR(ClientCanvasLayer);
+  }
+
+  RefPtr<CanvasRenderer> CreateCanvasRendererInternal() override;
+
+ protected:
+  virtual ~ClientCanvasLayer();
+
+ public:
+  void SetVisibleRegion(const LayerIntRegion& aRegion) override {
+    NS_ASSERTION(ClientManager()->InConstruction(),
+                 "Can only set properties in construction phase");
+    CanvasLayer::SetVisibleRegion(aRegion);
+  }
+
+  void RenderLayer() override;
+
+  void ClearCachedResources() override {
+    mCanvasRenderer->ClearCachedResources();
+  }
+
+  void HandleMemoryPressure() override {
+    mCanvasRenderer->ClearCachedResources();
+  }
+
+  void FillSpecificAttributes(SpecificLayerAttributes& aAttrs) override {
+    aAttrs = CanvasLayerAttributes(mSamplingFilter, mBounds);
+  }
+
+  Layer* AsLayer() override { return this; }
+  ShadowableLayer* AsShadowableLayer() override { return this; }
+
+  void Disconnect() override { mCanvasRenderer->DisconnectClient(); }
+
+  CompositableClient* GetCompositableClient() override {
+    ClientCanvasRenderer* canvasRenderer =
+        mCanvasRenderer->AsClientCanvasRenderer();
+    MOZ_ASSERT(canvasRenderer);
+    return canvasRenderer->GetCanvasClient();
+  }
+
+ protected:
+  ClientLayerManager* ClientManager() {
+    return static_cast<ClientLayerManager*>(mManager);
+  }
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif