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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_RENDERER_WEB_UI_BINDINGS_H_ | |
| 6 #define CHROME_RENDERER_WEB_UI_BINDINGS_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include "ipc/ipc_message.h" | |
| 10 #include "webkit/glue/cpp_bound_class.h" | |
| 11 | |
| 12 // A DOMBoundBrowserObject is a backing for some object bound to the window | |
| 13 // in JS that knows how to dispatch messages to an associated c++ object living | |
| 14 // in the browser process. | |
| 15 class DOMBoundBrowserObject : public CppBoundClass { | |
| 16 public: | |
| 17 DOMBoundBrowserObject(); | |
| 18 virtual ~DOMBoundBrowserObject(); | |
| 19 | |
| 20 // Set the message channel back to the browser. | |
| 21 void set_message_sender(IPC::Message::Sender* sender) { | |
| 22 sender_ = sender; | |
| 23 } | |
| 24 | |
| 25 // Set the routing id for messages back to the browser. | |
| 26 void set_routing_id(int routing_id) { | |
| 27 routing_id_ = routing_id; | |
| 28 } | |
| 29 | |
| 30 IPC::Message::Sender* sender() { return sender_; } | |
| 31 int routing_id() { return routing_id_; } | |
| 32 | |
| 33 // Sets a property with the given name and value. | |
| 34 void SetProperty(const std::string& name, const std::string& value); | |
| 35 | |
| 36 private: | |
| 37 // Our channel back to the browser is a message sender | |
| 38 // and routing id. | |
| 39 IPC::Message::Sender* sender_; | |
| 40 int routing_id_; | |
| 41 | |
| 42 // The list of properties that have been set. We keep track of this so we | |
| 43 // can free them on destruction. | |
| 44 typedef std::vector<CppVariant*> PropertyList; | |
| 45 PropertyList properties_; | |
| 46 | |
| 47 DISALLOW_COPY_AND_ASSIGN(DOMBoundBrowserObject); | |
| 48 }; | |
| 49 | |
| 50 // WebUIBindings is the class backing the "chrome" object accessible | |
| 51 // from Javascript from privileged pages. | |
| 52 // | |
| 53 // We expose one function, for sending a message to the browser: | |
| 54 // send(String name, Object argument); | |
| 55 // It's plumbed through to the OnWebUIMessage callback on RenderViewHost | |
| 56 // delegate. | |
| 57 class WebUIBindings : public DOMBoundBrowserObject { | |
| 58 public: | |
| 59 WebUIBindings(); | |
| 60 virtual ~WebUIBindings(); | |
| 61 | |
| 62 // The send() function provided to Javascript. | |
| 63 void send(const CppArgumentList& args, CppVariant* result); | |
| 64 private: | |
| 65 DISALLOW_COPY_AND_ASSIGN(WebUIBindings); | |
| 66 }; | |
| 67 | |
| 68 #endif // CHROME_RENDERER_WEB_UI_BINDINGS_H_ | |
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