1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CHROME_RENDERER_DOM_UI_BINDINGS_H__
#define CHROME_RENDERER_DOM_UI_BINDINGS_H__
#include "chrome/common/ipc_message.h"
#include "webkit/glue/cpp_bound_class.h"
// A DOMBoundBrowserObject is a backing for some object bound to the window
// in JS that knows how to dispatch messages to an associated c++ object living
// in the browser process.
class DOMBoundBrowserObject : public CppBoundClass {
public:
DOMBoundBrowserObject() : routing_id_(0) { }
virtual ~DOMBoundBrowserObject();
// Different for each subclass; associates the javascript object with any
// number of methods.
virtual void BindMethods() = 0;
// Set the message channel back to the browser.
void set_message_sender(IPC::Message::Sender* sender) {
sender_ = sender;
}
// Set the routing id for messages back to the browser.
void set_routing_id(int routing_id) {
routing_id_ = routing_id;
}
IPC::Message::Sender* sender() { return sender_; }
int routing_id() { return routing_id_; }
// Sets a property with the given name and value.
void SetProperty(const std::string& name, const std::string& value);
private:
// Our channel back to the browser is a message sender
// and routing id.
IPC::Message::Sender* sender_;
int routing_id_;
// The list of properties that have been set. We keep track of this so we
// can free them on destruction.
typedef std::vector<CppVariant*> PropertyList;
PropertyList properties_;
DISALLOW_COPY_AND_ASSIGN(DOMBoundBrowserObject);
};
// DOMUIBindings is the class backing the "chrome" object accessible
// from Javascript from privileged pages.
//
// We expose one function, for sending a message to the browser:
// send(String name, Object argument);
// It's plumbed through to the OnDOMUIMessage callback on RenderViewHost
// delegate.
class DOMUIBindings : public DOMBoundBrowserObject {
public:
DOMUIBindings() { BindMethods(); }
virtual ~DOMUIBindings() {}
// DOMBoundBrowserObject implementation.
virtual void BindMethods();
// The send() function provided to Javascript.
void send(const CppArgumentList& args, CppVariant* result);
private:
DISALLOW_COPY_AND_ASSIGN(DOMUIBindings);
};
#endif // CHROME_RENDERER_DOM_UI_BINDINGS_H__
|