Part 10 of cc/ directory shuffles: layers

Continuation of https://src.chromium.org/viewvc/chrome?view=rev&revision=188681

BUG=190824
TBR=enne@chromium.org, piman@chromium.org, jschuh@chromium.org, joth@chromium.org

Review URL: https://codereview.chromium.org/12916002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@188703 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 57 insertions, 0 deletions

diff --git a/cc/layers/picture_layer.h b/cc/layers/picture_layer.h
new file mode 100644
index 0000000..0ba4031
--- /dev/null
+++ b/cc/layers/picture_layer.h
@@ -0,0 +1,57 @@
+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CC_LAYERS_PICTURE_LAYER_H_
+#define CC_LAYERS_PICTURE_LAYER_H_
+
+#include "cc/debug/devtools_instrumentation.h"
+#include "cc/layers/contents_scaling_layer.h"
+#include "cc/layers/layer.h"
+#include "cc/resources/picture_pile.h"
+#include "cc/trees/occlusion_tracker.h"
+
+namespace cc {
+
+class ContentLayerClient;
+class ResourceUpdateQueue;
+struct RenderingStats;
+
+class CC_EXPORT PictureLayer : public ContentsScalingLayer {
+ public:
+  static scoped_refptr<PictureLayer> Create(ContentLayerClient* client);
+
+  void ClearClient() { client_ = NULL; }
+
+  // Implement Layer interface
+  virtual bool DrawsContent() const OVERRIDE;
+  virtual scoped_ptr<LayerImpl> CreateLayerImpl(
+      LayerTreeImpl* tree_impl) OVERRIDE;
+  virtual void SetLayerTreeHost(LayerTreeHost* host) OVERRIDE;
+  virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
+  virtual void SetNeedsDisplayRect(const gfx::RectF& layer_rect) OVERRIDE;
+  virtual void Update(
+      ResourceUpdateQueue* queue,
+      const OcclusionTracker* occlusion,
+      RenderingStats* stats) OVERRIDE;
+  virtual void SetIsMask(bool is_mask) OVERRIDE;
+
+ protected:
+  explicit PictureLayer(ContentLayerClient* client);
+  virtual ~PictureLayer();
+
+ private:
+  ContentLayerClient* client_;
+  scoped_refptr<PicturePile> pile_;
+  devtools_instrumentation::
+      ScopedLayerObjectTracker instrumentation_object_tracker_;
+  // Invalidation to use the next time update is called.
+  Region pending_invalidation_;
+  // Invalidation from the last time update was called.
+  Region pile_invalidation_;
+  bool is_mask_;
+};
+
+}  // namespace cc
+
+#endif  // CC_LAYERS_PICTURE_LAYER_H_