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// Copyright (c) 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 CONTENT_BROWSER_RENDERER_HOST_ACCELERATED_SURFACE_CONTAINER_MANAGER_MAC_H_
#define CONTENT_BROWSER_RENDERER_HOST_ACCELERATED_SURFACE_CONTAINER_MANAGER_MAC_H_
#include <OpenGL/OpenGL.h>
#include <map>
#include "base/basictypes.h"
#include "base/synchronization/lock.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/surface/transport_dib.h"
namespace gfx {
class Rect;
}
namespace webkit {
namespace npapi {
struct WebPluginGeometry;
}
}
class AcceleratedSurfaceContainerMac;
// Helper class that manages the backing store and on-screen rendering
// of instances of the GPU plugin on the Mac.
class AcceleratedSurfaceContainerManagerMac {
public:
AcceleratedSurfaceContainerManagerMac();
~AcceleratedSurfaceContainerManagerMac();
// Allocates a new "fake" PluginWindowHandle, which is used as the
// key for the other operations.
gfx::PluginWindowHandle AllocateFakePluginWindowHandle(bool opaque,
bool root);
// 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 SetPluginContainerGeometry(
const webkit::npapi::WebPluginGeometry& move);
// Draws the plugin container associated with the given id into the given
// OpenGL context, which must already be current.
void Draw(CGLContextObj context, gfx::PluginWindowHandle id);
// Causes the next Draw call on each container to trigger a texture upload.
// Should be called any time the drawing context has changed.
void ForceTextureReload();
// Notifies a surface that it has been painted to.
void SetSurfaceWasPaintedTo(gfx::PluginWindowHandle id,
uint64 surface_handle);
void SetSurfaceWasPaintedTo(gfx::PluginWindowHandle id,
uint64 surface_handle,
const gfx::Rect& update_rect);
// Returns if a given surface should be shown.
bool SurfaceShouldBeVisible(gfx::PluginWindowHandle id) const;
private:
uint32 current_id_;
// Maps a "fake" plugin window handle to the corresponding container.
AcceleratedSurfaceContainerMac*
MapIDToContainer(gfx::PluginWindowHandle id) const;
// A map that associates plugin window handles with their containers.
typedef std::map<gfx::PluginWindowHandle, AcceleratedSurfaceContainerMac*>
PluginWindowToContainerMap;
PluginWindowToContainerMap plugin_window_to_container_map_;
// Both |plugin_window_to_container_map_| and the
// AcceleratedSurfaceContainerMac in it are not threadsafe, but accessed from
// multiple threads. All these accesses are guarded by this lock.
mutable base::Lock lock_;
DISALLOW_COPY_AND_ASSIGN(AcceleratedSurfaceContainerManagerMac);
};
#endif // CONTENT_BROWSER_RENDERER_HOST_ACCELERATED_SURFACE_CONTAINER_MANAGER_MAC_H_
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