Introduce webkit_glue bridges for the new WebSocket Implementation.

webkit/child/websocket_handle_impl.cc

+// Copyright (c) 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.
+
+#include "webkit/child/websocket_handle_impl.h"
+
+#include <string>
+#include <vector>
+
+#include "base/compiler_specific.h"
+#include "base/logging.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/strings/string16.h"
+#include "third_party/WebKit/public/platform/WebData.h"
+#include "third_party/WebKit/public/platform/WebSocketHandle.h"
+#include "third_party/WebKit/public/platform/WebSocketHandleClient.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+#include "third_party/WebKit/public/platform/WebURL.h"
+#include "webkit/child/webkitplatformsupport_impl.h"
+#include "webkit/child/websocket_handle_bridge.h"
+#include "webkit/child/websocket_handle_delegate.h"
+
+using WebKit::WebString;
+using WebKit::WebURL;
+using WebKit::WebVector;
+using WebKit::WebSocketHandle;
+using WebKit::WebSocketHandleClient;
+
+namespace webkit_glue {
+
+class WebSocketHandleImpl::Context
+    : public base::RefCounted<Context>,
+      public WebSocketHandleDelegate {
+ public:
+  explicit Context(WebSocketHandle* handle)
+      : is_active_(false)
+      , handle_(handle)
+      , client_(NULL) {}
+
+  void Connect(const GURL& url,
+               const std::vector<std::string>& protocols,
+               const GURL& origin,
+               WebSocketHandleClient* client);
+  void Send(WebSocketHandleBridge::MessageType type,
+            const char* data,
+            size_t size,
+            bool fin);
+  void FlowControl(int64_t quota);
+  void Close(unsigned short code, const std::string& reason);
+
+  // WebSocketHandleDelegate functions.
+  virtual void DidConnect(bool succeed,
+                          const std::string& protocol,
+                          const std::string& extensions) OVERRIDE;
+  virtual void DidReceiveData(WebSocketHandleBridge::MessageType type,
+                              const char* data,
+                              size_t size,
+                              bool fin) OVERRIDE;
+  virtual void DidReceiveFlowControl(int64_t quota) OVERRIDE;
+  virtual void DidClose(unsigned short code,
+                        const std::string& reason) OVERRIDE;
+
+ private:
+  virtual ~Context();
+  friend class base::RefCounted<WebSocketHandleImpl::Context>;
+  bool is_active_;
+  WebSocketHandle* handle_;
+  WebSocketHandleClient* client_;
+  scoped_refptr<WebSocketHandleBridge> bridge_;
+};
+
+void WebSocketHandleImpl::Context::Connect(
+    const GURL& url,
+    const std::vector<std::string>& protocols,
+    const GURL& origin,
+    WebSocketHandleClient* client) {
+  DCHECK(!is_active_);
+  is_active_ = true;
+  client_ = client;
+  bridge_->Connect(url, protocols, origin, this);
+}
+
+WebSocketHandleImpl::Context::~Context() {
+  if (bridge_) {
+    bridge_->Disconnect();
+  }
+}
+
+
+void WebSocketHandleImpl::Context::Send(WebSocketHandleBridge::MessageType type,
+                                        const char* data,
+                                        size_t size,
+                                        bool fin) {
+  if (!is_active_) {
+    return;
+  }
+  bridge_->Send(type, data, size, fin);
+}
+
+void WebSocketHandleImpl::Context::FlowControl(int64_t quota) {
+  if (!is_active_) {
+    return;
+  }
+  bridge_->FlowControl(quota);
+}
+
+void WebSocketHandleImpl::Context::Close(unsigned short code,
+                                           const std::string& reason) {
+  if (!is_active_) {
+    return;
+  }
+  bridge_->Close(code, reason);
+}
+
+void WebSocketHandleImpl::Context::DidConnect(bool succeed,
+                                              const std::string& protocol,
+                                              const std::string& extensions) {
+  if (!is_active_) {
+    return;
+  }
+  WebString protocol_to_pass = WebString::fromUTF8(protocol);
+  WebString extensions_to_pass = WebString::fromUTF8(extensions);
+  client_->didConnect(handle_, succeed, protocol_to_pass, extensions_to_pass);
+}
+
+void WebSocketHandleImpl::Context::DidReceiveData(
+    WebSocketHandleBridge::MessageType type,
+    const char* data,
+    size_t size,
+    bool fin) {
+  if (!is_active_) {
+    return;
+  }
+  WebSocketHandle::MessageType type_to_pass;
+  switch (type) {
+    case WebSocketHandleBridge::MESSAGE_TYPE_TEXT:
+      type_to_pass = WebSocketHandle::MessageTypeText;
+      break;
+    case WebSocketHandleBridge::MESSAGE_TYPE_BINARY:
+      type_to_pass = WebSocketHandle::MessageTypeBinary;
+      break;
+    case WebSocketHandleBridge::MESSAGE_TYPE_CONTINUATION:
+      type_to_pass = WebSocketHandle::MessageTypeContinuation;
+      break;
+    default:
+      NOTREACHED();
+      break;
+  }
+
+  client_->didReceiveData(handle_, type_to_pass, data, size, fin);
+}
+
+void WebSocketHandleImpl::Context::DidReceiveFlowControl(int64_t quota) {
+  if (!is_active_) {
+    return;
+  }
+  client_->didReceiveFlowControl(handle_, quota);
+}
+
+void WebSocketHandleImpl::Context::DidClose(unsigned short code,
+                                            const std::string& reason) {
+  if (!is_active_) {
+    return;
+  }
+  WebString reason_to_pass = WebString::fromUTF8(reason);
+  client_->didClose(handle_, code, reason_to_pass);
+}
+
+WebSocketHandleImpl::WebSocketHandleImpl(WebKitPlatformSupportImpl* platform)
+    : context_(new Context(this))
+    , platform_(platform) {
+}
+
+WebSocketHandleImpl::~WebSocketHandleImpl() {}
+
+void WebSocketHandleImpl::connect(const WebURL& url,
+                                  const WebVector<WebString>& protocols,
+                                  const WebString& origin,
+                                  WebSocketHandleClient* client) {
+  std::vector<std::string> protocols_to_pass;
+  for (size_t i = 0; i < protocols.size(); ++i) {
+    protocols_to_pass.push_back(protocols[i].utf8());
+  }
+  GURL origin_to_pass(origin.utf8());
+  context_->Connect(url, protocols_to_pass, origin_to_pass, client);
+}
+
+void WebSocketHandleImpl::send(WebSocketHandle::MessageType type,
+                               const char* data,
+                               size_t size,
+                               bool fin) {
+  WebSocketHandleBridge::MessageType type_to_pass;
+  switch (type) {
+    case WebSocketHandle::MessageTypeText:
+      type_to_pass = WebSocketHandleBridge::MESSAGE_TYPE_TEXT;
+      break;
+    case WebSocketHandle::MessageTypeBinary:
+      type_to_pass = WebSocketHandleBridge::MESSAGE_TYPE_BINARY;
+      break;
+    case WebSocketHandle::MessageTypeContinuation:
+      type_to_pass = WebSocketHandleBridge::MESSAGE_TYPE_CONTINUATION;
+      break;
+    default:
+      NOTREACHED();
+      break;
+  }
+  context_->Send(type_to_pass, data, size, fin);
+}
+
+void WebSocketHandleImpl::flowControl(int64_t quota) {
+  context_->FlowControl(quota);
+}
+
+void WebSocketHandleImpl::close(unsigned short code, const WebString& reason) {
+  std::string reason_to_pass = reason.utf8();
+  context_->Close(code, reason_to_pass);
+}
+
+}  // namespace webkit_glue