OLD | NEW |
| (Empty) |
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 #include "chrome/renderer/web_ui_bindings.h" | |
6 | |
7 #include "base/json/json_writer.h" | |
8 #include "base/scoped_ptr.h" | |
9 #include "base/stl_util-inl.h" | |
10 #include "base/values.h" | |
11 #include "chrome/common/render_messages.h" | |
12 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h" | |
13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h" | |
14 | |
15 namespace { | |
16 | |
17 // Creates a Value which is a copy of the CppVariant |value|. All objects are | |
18 // treated as Lists for now since CppVariant does not distinguish arrays in any | |
19 // convenient way and we currently have no need of non array objects. | |
20 Value* CreateValueFromCppVariant(const CppVariant& value) { | |
21 if (value.isBool()) | |
22 return Value::CreateBooleanValue(value.ToBoolean()); | |
23 if (value.isDouble()) | |
24 return Value::CreateDoubleValue(value.ToDouble()); | |
25 if (value.isInt32()) | |
26 return Value::CreateIntegerValue(value.ToInt32()); | |
27 if (value.isString()) | |
28 return Value::CreateStringValue(value.ToString()); | |
29 | |
30 if (value.isObject()) { | |
31 // We currently assume all objects are arrays. | |
32 std::vector<CppVariant> vector = value.ToVector(); | |
33 ListValue* list = new ListValue(); | |
34 for (size_t i = 0; i < vector.size(); ++i) { | |
35 list->Append(CreateValueFromCppVariant(vector[i])); | |
36 } | |
37 return list; | |
38 } | |
39 | |
40 // Covers null and undefined. | |
41 return Value::CreateNullValue(); | |
42 } | |
43 | |
44 } // namespace | |
45 | |
46 DOMBoundBrowserObject::DOMBoundBrowserObject() | |
47 : sender_(NULL), | |
48 routing_id_(0) { | |
49 } | |
50 | |
51 DOMBoundBrowserObject::~DOMBoundBrowserObject() { | |
52 STLDeleteContainerPointers(properties_.begin(), properties_.end()); | |
53 } | |
54 | |
55 WebUIBindings::WebUIBindings() { | |
56 BindMethod("send", &WebUIBindings::send); | |
57 } | |
58 | |
59 WebUIBindings::~WebUIBindings() {} | |
60 | |
61 void WebUIBindings::send(const CppArgumentList& args, CppVariant* result) { | |
62 // We expect at least a string message identifier, and optionally take | |
63 // an object parameter. If we get anything else we bail. | |
64 if (args.size() < 1 || args.size() > 2) | |
65 return; | |
66 | |
67 // Require the first parameter to be the message name. | |
68 if (!args[0].isString()) | |
69 return; | |
70 const std::string message = args[0].ToString(); | |
71 | |
72 // If they've provided an optional message parameter, convert that into JSON. | |
73 std::string content; | |
74 if (args.size() == 2) { | |
75 if (!args[1].isObject()) | |
76 return; | |
77 | |
78 scoped_ptr<Value> value(CreateValueFromCppVariant(args[1])); | |
79 base::JSONWriter::Write(value.get(), /* pretty_print= */ false, &content); | |
80 } | |
81 | |
82 // Retrieve the source frame's url | |
83 GURL source_url; | |
84 WebKit::WebFrame* webframe = WebKit::WebFrame::frameForCurrentContext(); | |
85 if (webframe) | |
86 source_url = webframe->url(); | |
87 | |
88 // Send the message up to the browser. | |
89 sender()->Send( | |
90 new ViewHostMsg_WebUISend(routing_id(), source_url, message, content)); | |
91 } | |
92 | |
93 void DOMBoundBrowserObject::SetProperty(const std::string& name, | |
94 const std::string& value) { | |
95 CppVariant* cpp_value = new CppVariant; | |
96 cpp_value->Set(value); | |
97 BindProperty(name, cpp_value); | |
98 properties_.push_back(cpp_value); | |
99 } | |
OLD | NEW |