Move WebUIMessageHandler to its own file in the public directory and put it in the content namesp...

content/browser/webui/web_ui.cc

 // 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/browser/webui/web_ui.h"
 
-#include "base/i18n/rtl.h"
 #include "base/json/json_writer.h"
 #include "base/stl_util.h"
-#include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "content/browser/child_process_security_policy.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/tab_contents/tab_contents_view.h"
 #include "content/browser/webui/generic_handler.h"
 #include "content/common/view_messages.h"
 #include "content/public/common/bindings_policy.h"
-#include "ipc/ipc_message.h"
-#include "ipc/ipc_message_macros.h"
 
 using content::WebContents;
+using content::WebUIMessageHandler;
 
 // static
 string16 WebUI::GetJavascriptCall(
     const std::string& function_name,
     const std::vector<const Value*>& arg_list) {
   string16 parameters;
   std::string json;
   for (size_t i = 0; i < arg_list.size(); ++i) {
     if (i > 0)
       parameters += char16(',');
@@ skipping 138 matching lines @@
   DCHECK(!handler->web_ui());
   handler->set_web_ui(this);
   handler->RegisterMessages();
   handlers_.push_back(handler);
 }
 
 void WebUI::ExecuteJavascript(const string16& javascript) {
   web_contents_->GetRenderViewHost()->ExecuteJavascriptInWebFrame(
       ASCIIToUTF16(frame_xpath_), javascript);
 }
-
-///////////////////////////////////////////////////////////////////////////////
-// WebUIMessageHandler
-WebUIMessageHandler::WebUIMessageHandler() : web_ui_(NULL) {
-}
-
-WebUIMessageHandler::~WebUIMessageHandler() {
-}
-
-// WebUIMessageHandler, protected: ---------------------------------------------
-
-void WebUIMessageHandler::SetURLAndTitle(DictionaryValue* dictionary,
-                                         string16 title,
-                                         const GURL& gurl) {
-  dictionary->SetString("url", gurl.spec());
-
-  bool using_url_as_the_title = false;
-  if (title.empty()) {
-    using_url_as_the_title = true;
-    title = UTF8ToUTF16(gurl.spec());
-  }
-
-  // Since the title can contain BiDi text, we need to mark the text as either
-  // RTL or LTR, depending on the characters in the string. If we use the URL
-  // as the title, we mark the title as LTR since URLs are always treated as
-  // left to right strings.
-  string16 title_to_set(title);
-  if (base::i18n::IsRTL()) {
-    if (using_url_as_the_title) {
-      base::i18n::WrapStringWithLTRFormatting(&title_to_set);
-    } else {
-      base::i18n::AdjustStringForLocaleDirection(&title_to_set);
-    }
-  }
-  dictionary->SetString("title", title_to_set);
-}
-
-bool WebUIMessageHandler::ExtractIntegerValue(const ListValue* value,
-                                              int* out_int) {
-  std::string string_value;
-  if (value->GetString(0, &string_value))
-    return base::StringToInt(string_value, out_int);
-  double double_value;
-  if (value->GetDouble(0, &double_value)) {
-    *out_int = static_cast<int>(double_value);
-    return true;
-  }
-  NOTREACHED();
-  return false;
-}
-
-bool WebUIMessageHandler::ExtractDoubleValue(const ListValue* value,
-                                             double* out_value) {
-  std::string string_value;
-  if (value->GetString(0, &string_value))
-    return base::StringToDouble(string_value, out_value);
-  NOTREACHED();
-  return false;
-}
-
-string16 WebUIMessageHandler::ExtractStringValue(const ListValue* value) {
-  string16 string16_value;
-  if (value->GetString(0, &string16_value))
-    return string16_value;
-  NOTREACHED();
-  return string16();
-}