Implement window.alert() and its cousins for extensions....

chrome/browser/jsmessage_box_handler.cc

 // Copyright (c) 2009 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 "chrome/browser/jsmessage_box_handler.h"
 
-#include "app/gfx/text_elider.h"
 #include "app/l10n_util.h"
 #include "app/message_box_flags.h"
 #include "build/build_config.h"
 #include "chrome/browser/app_modal_dialog_queue.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/profile.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
-#include "chrome/common/pref_names.h"
-#include "chrome/common/pref_service.h"
 #include "googleurl/src/gurl.h"
 #include "grit/generated_resources.h"
 
 namespace {
 
 const size_t kMaxReasonableTextLength = 2048;
 
 // In some platforms, the underlying processing of humongous strings takes too
 // long and thus make the UI thread unresponsive.
 std::wstring MakeTextSafe(const std::wstring& text) {
   if (text.size() > kMaxReasonableTextLength)
     return text.substr(0, kMaxReasonableTextLength) + L"\x2026";
   return text;
 }
 
-std::wstring GetWindowTitle(TabContents* tab_contents, const GURL& frame_url,
-                            int dialog_flags) {
-  bool is_alert = (dialog_flags == MessageBoxFlags::kIsJavascriptAlert);
-  if (!frame_url.has_host())
-    return l10n_util::GetString(
-        is_alert ? IDS_JAVASCRIPT_ALERT_DEFAULT_TITLE
-                 : IDS_JAVASCRIPT_MESSAGEBOX_DEFAULT_TITLE);
-
-  // We really only want the scheme, hostname, and port.
-  GURL::Replacements replacements;
-  replacements.ClearUsername();
-  replacements.ClearPassword();
-  replacements.ClearPath();
-  replacements.ClearQuery();
-  replacements.ClearRef();
-  GURL clean_url = frame_url.ReplaceComponents(replacements);
-
-  // TODO(brettw) it should be easier than this to do the correct language
-  // handling without getting the accept language from the profile.
-  std::wstring base_address = gfx::ElideUrl(clean_url, gfx::Font(), 0,
-      tab_contents->profile()->GetPrefs()->GetString(prefs::kAcceptLanguages));
-  // Force URL to have LTR directionality.
-  if (l10n_util::GetTextDirection() == l10n_util::RIGHT_TO_LEFT)
-    l10n_util::WrapStringWithLTRFormatting(&base_address);
-  return l10n_util::GetStringF(
-      is_alert ? IDS_JAVASCRIPT_ALERT_TITLE : IDS_JAVASCRIPT_MESSAGEBOX_TITLE,
-      base_address);
-}
-
 }  // namespace
 
-void RunJavascriptMessageBox(TabContents* tab_contents,
+void RunJavascriptMessageBox(JavaScriptMessageBoxClient* client,
                              const GURL& frame_url,
                              int dialog_flags,
                              const std::wstring& message_text,
                              const std::wstring& default_prompt_text,
                              bool display_suppress_checkbox,
                              IPC::Message* reply_msg) {
-  std::wstring title = GetWindowTitle(tab_contents, frame_url, dialog_flags);
+  std::wstring title = client->GetMessageBoxTitle(frame_url,
+      (dialog_flags == MessageBoxFlags::kIsJavascriptAlert));
   Singleton<AppModalDialogQueue>()->AddDialog(
-      new AppModalDialog(tab_contents, title,
+      new AppModalDialog(client, title,
                          dialog_flags, MakeTextSafe(message_text),
                          default_prompt_text, display_suppress_checkbox,
                          false, reply_msg));
 }
 
 void RunBeforeUnloadDialog(TabContents* tab_contents,
                            const std::wstring& message_text,
                            IPC::Message* reply_msg) {
   std::wstring full_message =
       message_text + L"\n\n" +
       l10n_util::GetString(IDS_BEFOREUNLOAD_MESSAGEBOX_FOOTER);
   Singleton<AppModalDialogQueue>()->AddDialog(new AppModalDialog(
       tab_contents, l10n_util::GetString(IDS_BEFOREUNLOAD_MESSAGEBOX_TITLE),
       MessageBoxFlags::kIsJavascriptConfirm, MakeTextSafe(message_text),
       std::wstring(), false, true, reply_msg));
 }