1 files changed, 44 insertions, 0 deletions
diff --git a/gfx/layers/basic/BasicCanvasLayer.h b/gfx/layers/basic/BasicCanvasLayer.h
new file mode 100644
index 0000000000..4753acdb58
--- /dev/null
+++ b/gfx/layers/basic/BasicCanvasLayer.h
@@ -0,0 +1,44 @@
+/* -*- 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_BASICCANVASLAYER_H
+#define GFX_BASICCANVASLAYER_H
+
+#include "BasicImplData.h"  // for BasicImplData
+#include "BasicLayers.h"    // for BasicLayerManager
+#include "Layers.h"         // for CanvasLayer, etc
+#include "nsDebug.h"        // for NS_ASSERTION
+#include "nsRegion.h"       // for nsIntRegion
+
+namespace mozilla {
+namespace layers {
+
+class BasicCanvasLayer : public CanvasLayer, public BasicImplData {
+ public:
+  explicit BasicCanvasLayer(BasicLayerManager* aLayerManager)
+      : CanvasLayer(aLayerManager, static_cast<BasicImplData*>(this)) {}
+
+  void SetVisibleRegion(const LayerIntRegion& aRegion) override {
+    NS_ASSERTION(BasicManager()->InConstruction(),
+                 "Can only set properties in construction phase");
+    CanvasLayer::SetVisibleRegion(aRegion);
+  }
+
+  void Paint(gfx::DrawTarget* aDT, const gfx::Point& aDeviceOffset,
+             Layer* aMaskLayer) override;
+
+ protected:
+  BasicLayerManager* BasicManager() {
+    return static_cast<BasicLayerManager*>(mManager);
+  }
+
+  RefPtr<CanvasRenderer> CreateCanvasRendererInternal() override;
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif