root/content/renderer/web_ui_extension_data.cc

DEFINITIONS

1. GetValue
2. OnMessageReceived
3. OnSetWebUIProperty

// Copyright 2012 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_extension_data.h"

#include "content/common/view_messages.h"
#include "content/public/renderer/render_view.h"

namespace content {

WebUIExtensionData::WebUIExtensionData(RenderView* render_view)
    : RenderViewObserver(render_view),
      RenderViewObserverTracker<WebUIExtensionData>(render_view) {
}

WebUIExtensionData::~WebUIExtensionData() {
}

std::string WebUIExtensionData::GetValue(const std::string& key) const {
  std::map<std::string, std::string>::const_iterator it =
      variable_map_.find(key);
  if (it == variable_map_.end())
    return std::string();
  return it->second;
}

bool WebUIExtensionData::OnMessageReceived(const IPC::Message& message) {
  bool handled = true;
  IPC_BEGIN_MESSAGE_MAP(WebUIExtensionData, message)
    IPC_MESSAGE_HANDLER(ViewMsg_SetWebUIProperty, OnSetWebUIProperty)
    IPC_MESSAGE_UNHANDLED(handled = false)
  IPC_END_MESSAGE_MAP()
  return handled;
}

void WebUIExtensionData::OnSetWebUIProperty(const std::string& name,
                                            const std::string& value) {
  variable_map_[name] = value;
}

}  // namespace content