1 files changed, 77 insertions, 0 deletions
diff --git a/chrome/renderer/pepper_devices.h b/chrome/renderer/pepper_devices.h
new file mode 100644
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+++ b/chrome/renderer/pepper_devices.h
@@ -0,0 +1,77 @@
+// 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 CHROME_RENDERER_PEPPER_DEVICES_H_
+#define CHROME_RENDERER_PEPPER_DEVICES_H_
+
+#include <stdint.h>
+
+#include "base/scoped_ptr.h"
+#include "base/shared_memory.h"
+#include "base/gfx/rect.h"
+#include "chrome/common/render_messages.h"
+#include "chrome/common/transport_dib.h"
+#include "chrome/renderer/audio_message_filter.h"
+#include "third_party/npapi/bindings/npapi.h"
+#include "third_party/npapi/bindings/npapi_extensions.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+
+// Lists all contexts currently open for painting. These are ones requested by
+// the plugin but not destroyed by it yet. The source pointer is the raw
+// pixels. We use this to look up the corresponding transport DIB when the
+// plugin tells us to flush or destroy it.
+class Graphics2DDeviceContext {
+ public:
+  NPError Initialize(gfx::Rect window_rect,
+                     const NPDeviceContext2DConfig* config,
+                     NPDeviceContext2D* context);
+
+  NPError Flush(SkBitmap* commited_bitmap, NPDeviceContext2D* context,
+                NPDeviceFlushContextCallbackPtr callback, NPP id,
+                void* user_data);
+
+ private:
+  static int32 next_buffer_id_;
+  scoped_ptr<TransportDIB> transport_dib_;
+
+  // The canvas associated with the transport DIB, containing the mapped
+  // memory of the image.
+  scoped_ptr<skia::PlatformCanvas> canvas_;
+};
+
+
+// Each instance of AudioDeviceContext corresponds to one host stream (and one
+// audio context). NPDeviceContextAudio contains the id of the context's
+// stream in the privatePtr member.
+class AudioDeviceContext : public AudioMessageFilter::Delegate {
+ public:
+  // TODO(neb): if plugin_delegate parameter is indeed unused, remove it
+  explicit AudioDeviceContext() : stream_id_(0) {
+  }
+  virtual ~AudioDeviceContext();
+
+  NPError Initialize(AudioMessageFilter* filter,
+                     const NPDeviceContextAudioConfig* config,
+                     NPDeviceContextAudio* context);
+
+  // AudioMessageFilter::Delegate implementation
+  virtual void OnRequestPacket(size_t bytes_in_buffer,
+                               const base::Time& message_timestamp);
+  virtual void OnStateChanged(ViewMsg_AudioStreamState state);
+  virtual void OnCreated(base::SharedMemoryHandle handle, size_t length);
+  virtual void OnVolume(double volume);
+  // End of AudioMessageFilter::Delegate implementation
+
+ private:
+  void OnDestroy();
+
+  NPDeviceContextAudio* context_;
+  scoped_refptr<AudioMessageFilter> filter_;
+  int32 stream_id_;
+  scoped_ptr<base::SharedMemory> shared_memory_;
+  size_t shared_memory_size_;
+};
+
+#endif  // CHROME_RENDERER_PEPPER_DEVICES_H_
+