1 files changed, 78 insertions, 0 deletions
diff --git a/webkit/glue/plugins/mac_accelerated_surface_container_manager.h b/webkit/glue/plugins/mac_accelerated_surface_container_manager.h
new file mode 100644
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--- /dev/null
+++ b/webkit/glue/plugins/mac_accelerated_surface_container_manager.h
@@ -0,0 +1,78 @@
+// Copyright (c) 2010 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 WEBKIT_GLUE_PLUGINS_MAC_ACCELERATED_SURFACE_CONTAINER_MANAGER_H_
+#define WEBKIT_GLUE_PLUGINS_MAC_ACCELERATED_SURFACE_CONTAINER_MANAGER_H_
+
+#include <OpenGL/OpenGL.h>
+#include <map>
+#include <vector>
+
+#include "app/gfx/native_widget_types.h"
+#include "app/surface/transport_dib.h"
+#include "base/basictypes.h"
+
+namespace webkit_glue {
+struct WebPluginGeometry;
+}
+
+class MacAcceleratedSurfaceContainer;
+
+// Helper class that manages the backing store and on-screen rendering
+// of instances of the GPU plugin on the Mac.
+class MacAcceleratedSurfaceContainerManager {
+ public:
+  MacAcceleratedSurfaceContainerManager();
+
+  // Allocates a new "fake" PluginWindowHandle, which is used as the
+  // key for the other operations.
+  gfx::PluginWindowHandle AllocateFakePluginWindowHandle();
+
+  // Destroys a fake PluginWindowHandle and associated storage.
+  void DestroyFakePluginWindowHandle(gfx::PluginWindowHandle id);
+
+  // Sets the size and backing store of the plugin instance.  There are two
+  // versions: the IOSurface version is used on systems where the IOSurface
+  // API is supported (Mac OS X 10.6 and later); the TransportDIB is used on
+  // Mac OS X 10.5 and earlier.
+  void SetSizeAndIOSurface(gfx::PluginWindowHandle id,
+                           int32 width,
+                           int32 height,
+                           uint64 io_surface_identifier);
+  void SetSizeAndTransportDIB(gfx::PluginWindowHandle id,
+                              int32 width,
+                              int32 height,
+                              TransportDIB::Handle transport_dib);
+
+  // Takes an update from WebKit about a plugin's position and size and moves
+  // the plugin accordingly.
+  void MovePluginContainer(const webkit_glue::WebPluginGeometry& move);
+
+  // Draws all of the managed plugin containers into the given OpenGL
+  // context, which must already be current.
+  void Draw(CGLContextObj context);
+
+  // Called by the container to enqueue its OpenGL texture objects for
+  // deletion.
+  void EnqueueTextureForDeletion(GLuint texture);
+
+ private:
+  uint32 current_id_;
+
+  // Maps a "fake" plugin window handle to the corresponding container.
+  MacAcceleratedSurfaceContainer* MapIDToContainer(gfx::PluginWindowHandle id);
+
+  // A map that associates plugin window handles with their containers.
+  typedef std::map<gfx::PluginWindowHandle, MacAcceleratedSurfaceContainer*>
+      PluginWindowToContainerMap;
+  PluginWindowToContainerMap plugin_window_to_container_map_;
+
+  // A list of OpenGL textures waiting to be deleted
+  std::vector<GLuint> textures_pending_deletion_;
+
+  DISALLOW_COPY_AND_ASSIGN(MacAcceleratedSurfaceContainerManager);
+};
+
+#endif  // WEBKIT_GLUE_PLUGINS_MAC_ACCELERATED_SURFACE_CONTAINER_MANAGER_H_
+