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Issue 6685072: Move a bunch more random files from chrome\renderer to content\renderer. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 9 months ago
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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 #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 }
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