| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/renderer/web_ui_bindings.h" |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "base/stl_util.h" |
| #include "base/values.h" |
| #include "content/common/view_messages.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h" |
| |
| namespace { |
| |
| // Creates a Value which is a copy of the CppVariant |value|. All objects are |
| // treated as Lists for now since CppVariant does not distinguish arrays in any |
| // convenient way and we currently have no need of non array objects. |
| Value* CreateValueFromCppVariant(const CppVariant& value) { |
| if (value.isBool()) |
| return Value::CreateBooleanValue(value.ToBoolean()); |
| if (value.isDouble()) |
| return Value::CreateDoubleValue(value.ToDouble()); |
| if (value.isInt32()) |
| return Value::CreateIntegerValue(value.ToInt32()); |
| if (value.isString()) |
| return Value::CreateStringValue(value.ToString()); |
| |
| if (value.isObject()) { |
| // We currently assume all objects are arrays. |
| std::vector<CppVariant> vector = value.ToVector(); |
| ListValue* list = new ListValue(); |
| for (size_t i = 0; i < vector.size(); ++i) { |
| list->Append(CreateValueFromCppVariant(vector[i])); |
| } |
| return list; |
| } |
| |
| // Covers null and undefined. |
| return Value::CreateNullValue(); |
| } |
| |
| } // namespace |
| |
| DOMBoundBrowserObject::DOMBoundBrowserObject() { |
| } |
| |
| DOMBoundBrowserObject::~DOMBoundBrowserObject() { |
| STLDeleteContainerPointers(properties_.begin(), properties_.end()); |
| } |
| |
| WebUIBindings::WebUIBindings(IPC::Message::Sender* sender, int routing_id) |
| : sender_(sender), routing_id_(routing_id) { |
| BindMethod("send", &WebUIBindings::Send); |
| } |
| |
| WebUIBindings::~WebUIBindings() {} |
| |
| void WebUIBindings::Send(const CppArgumentList& args, CppVariant* result) { |
| // We expect at least a string message identifier, and optionally take |
| // an object parameter. If we get anything else we bail. |
| if (args.size() < 1 || args.size() > 2) |
| return; |
| |
| // Require the first parameter to be the message name. |
| if (!args[0].isString()) |
| return; |
| const std::string message = args[0].ToString(); |
| |
| // If they've provided an optional message parameter, convert that into a |
| // Value to send to the browser process. |
| scoped_ptr<Value> content; |
| if (args.size() == 2) { |
| if (!args[1].isObject()) |
| return; |
| |
| content.reset(CreateValueFromCppVariant(args[1])); |
| CHECK(content->IsType(Value::TYPE_LIST)); |
| } else { |
| content.reset(new ListValue()); |
| } |
| |
| // Retrieve the source document's url |
| GURL source_url; |
| WebKit::WebFrame* frame = WebKit::WebFrame::frameForCurrentContext(); |
| if (frame) |
| source_url = frame->document().url(); |
| |
| // Send the message up to the browser. |
| sender_->Send(new ViewHostMsg_WebUISend( |
| routing_id_, |
| source_url, |
| message, |
| *(static_cast<ListValue*>(content.get())))); |
| } |
| |
| void DOMBoundBrowserObject::SetProperty(const std::string& name, |
| const std::string& value) { |
| CppVariant* cpp_value = new CppVariant; |
| cpp_value->Set(value); |
| BindProperty(name, cpp_value); |
| properties_.push_back(cpp_value); |
| } |