Redirect HTML resource bytes directly to parser thread (Chrome side CL)

content/child/webthreadedresourceprovider_impl.h

+// Copyright 2013 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_CHILD_WEBTHREADEDRESOURCEPROVIDER_IMPL_H_
+#define CONTENT_CHILD_WEBTHREADEDRESOURCEPROVIDER_IMPL_H_
+
+#include "base/compiler_specific.h"
+#include "base/memory/linked_ptr.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/shared_memory.h"
+#include "base/memory/weak_ptr.h"
+#include "content/common/content_export.h"
+#include "ipc/ipc_channel_proxy.h"
+#include "third_party/WebKit/public/platform/WebThreadedResourceProvider.h"
+
+namespace webkit_glue {
+class WebThreadImpl;
+}
+
+namespace content {
+class ResourceDispatcher;
+
+class WebThreadedResourceProviderImpl
+    : public blink::WebThreadedResourceProvider {
+ public:
+  WebThreadedResourceProviderImpl(
+      int request_id,
+      base::WeakPtr<ResourceDispatcher> resource_dispatcher,
+      linked_ptr<base::SharedMemory> shm_buffer,
+      int shm_size);
+  virtual ~WebThreadedResourceProviderImpl();
+
+  // From blink::WebThreadedResourceProvider
+  virtual void setBackgroundClient(
+      blink::WebThreadedResourceBackgroundClient* backgroundClient) OVERRIDE;
+  virtual void setForegroundClient(
+      blink::WebThreadedResourceForegroundClient* foregroundClient) OVERRIDE;
+  virtual blink::WebThread* resourceThread() OVERRIDE;
+
+  static void Cleanup();
+
+  void OnReceivedData(int data_offset,
+                      int data_length,
+                      int encoded_data_length);
+
+  void OnParserResourceMessageFilterAdded();
+
+ private:
+  scoped_refptr<IPC::ChannelProxy::MessageFilter> filter_;
+  blink::WebThreadedResourceBackgroundClient* backgroundClient_;
+  blink::WebThreadedResourceForegroundClient* foregroundClient_;
+  int request_id_;
+  base::WeakPtr<ResourceDispatcher> resource_dispatcher_;
+  linked_ptr<base::SharedMemory> shm_buffer_;
+  int shm_size_;
+  base::WeakPtrFactory<WebThreadedResourceProviderImpl>
+      parser_thread_weak_factory_;
+  base::WeakPtrFactory<WebThreadedResourceProviderImpl>
+      main_thread_weak_factory_;
+  base::MessageLoop* main_thread_message_loop;
+  DISALLOW_COPY_AND_ASSIGN(WebThreadedResourceProviderImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_CHILD_WEBTHREADEDRESOURCEPROVIDER_IMPL_H_