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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_RENDERER_EXTERNAL_HOST_BINDINGS_H_ | 5 #ifndef CHROME_RENDERER_EXTERNAL_HOST_BINDINGS_H_ |
| 6 #define CHROME_RENDERER_EXTERNAL_HOST_BINDINGS_H_ | 6 #define CHROME_RENDERER_EXTERNAL_HOST_BINDINGS_H_ |
| 7 | 7 |
| 8 #include "ipc/ipc_sender.h" | 8 #include "ipc/ipc_sender.h" |
| 9 #include "webkit/renderer/cpp_bound_class.h" | 9 #include "webkit/renderer/cpp_bound_class.h" |
| 10 | 10 |
| 11 // ExternalHostBindings is the class backing the "externalHost" object | 11 // ExternalHostBindings is the class backing the "externalHost" object |
| 12 // accessible from Javascript | 12 // accessible from Javascript |
| 13 // | 13 // |
| 14 // We expose one function, for sending a message to the external host: | 14 // We expose one function, for sending a message to the external host: |
| 15 // postMessage(String message[, String target]); | 15 // postMessage(String message[, String target]); |
| 16 class ExternalHostBindings : public webkit_glue::CppBoundClass { | 16 class ExternalHostBindings : public webkit_glue::CppBoundClass { |
| 17 public: | 17 public: |
| 18 ExternalHostBindings(IPC::Sender* sender, int routing_id); | 18 ExternalHostBindings(IPC::Sender* sender, int routing_id); |
| 19 virtual ~ExternalHostBindings(); | 19 virtual ~ExternalHostBindings(); |
| 20 | 20 |
| 21 // Invokes the registered onmessage handler. | 21 // Invokes the registered onmessage handler. |
| 22 // Returns true on successful invocation. | 22 // Returns true on successful invocation. |
| 23 bool ForwardMessageFromExternalHost(const std::string& message, | 23 bool ForwardMessageFromExternalHost(const std::string& message, |
| 24 const std::string& origin, | 24 const std::string& origin, |
| 25 const std::string& target); | 25 const std::string& target); |
| 26 | 26 |
| 27 // Overridden to hold onto a pointer back to the web frame. | 27 // Overridden to hold onto a pointer back to the web frame. |
| 28 void BindToJavascript(WebKit::WebFrame* frame, const std::string& classname); | 28 void BindToJavascript(blink::WebFrame* frame, const std::string& classname); |
| 29 | 29 |
| 30 private: | 30 private: |
| 31 // Creates an uninitialized instance of a MessageEvent object. | 31 // Creates an uninitialized instance of a MessageEvent object. |
| 32 // This is equivalent to calling window.document.createEvent("MessageEvent") | 32 // This is equivalent to calling window.document.createEvent("MessageEvent") |
| 33 // in javascript. | 33 // in javascript. |
| 34 bool CreateMessageEvent(NPObject** message_event); | 34 bool CreateMessageEvent(NPObject** message_event); |
| 35 | 35 |
| 36 // The postMessage() function provided to Javascript. | 36 // The postMessage() function provided to Javascript. |
| 37 void PostMessage(const webkit_glue::CppArgumentList& args, | 37 void PostMessage(const webkit_glue::CppArgumentList& args, |
| 38 webkit_glue::CppVariant* result); | 38 webkit_glue::CppVariant* result); |
| 39 | 39 |
| 40 webkit_glue::CppVariant on_message_handler_; | 40 webkit_glue::CppVariant on_message_handler_; |
| 41 WebKit::WebFrame* frame_; | 41 blink::WebFrame* frame_; |
| 42 IPC::Sender* sender_; | 42 IPC::Sender* sender_; |
| 43 int routing_id_; | 43 int routing_id_; |
| 44 | 44 |
| 45 DISALLOW_COPY_AND_ASSIGN(ExternalHostBindings); | 45 DISALLOW_COPY_AND_ASSIGN(ExternalHostBindings); |
| 46 }; | 46 }; |
| 47 | 47 |
| 48 #endif // CHROME_RENDERER_EXTERNAL_HOST_BINDINGS_H_ | 48 #endif // CHROME_RENDERER_EXTERNAL_HOST_BINDINGS_H_ |
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