Remove JS dialog dependency from content.

chrome/browser/ui/app_modal_dialogs/message_box_handler.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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 "chrome/browser/ui/app_modal_dialogs/message_box_handler.h"
 
+#include <map>
+
+#include "base/compiler_specific.h"
+#include "base/memory/singleton.h"
+#include "base/time.h"
+#include "base/utf_string_conversions.h"
 #include "base/i18n/rtl.h"
-#include "base/utf_string_conversions.h"
-#include "build/build_config.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_modal_dialogs/app_modal_dialog_queue.h"
 #include "chrome/browser/ui/app_modal_dialogs/js_modal_dialog.h"
+#include "chrome/common/chrome_constants.h"
 #include "chrome/common/pref_names.h"
-#include "chrome/common/url_constants.h"
-#include "content/browser/tab_contents/tab_contents.h"
-#include "googleurl/src/gurl.h"
+#include "content/browser/javascript_dialogs.h"
 #include "grit/generated_resources.h"
 #include "grit/chromium_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/message_box_flags.h"
 #include "ui/base/text/text_elider.h"
 #include "ui/gfx/font.h"
 
-static std::wstring GetTitle(Profile* profile,
-                             bool is_alert,
-                             const GURL& frame_url) {
+class JavaScriptDialogCreatorImpl : public content::JavaScriptDialogCreator {

[jam, 2011/06/03 00:21:45]

nit: ChromeJavaScriptDialogCreator for consistency with other implementations of
content interfaces?

+ public:
+  static JavaScriptDialogCreatorImpl* GetInstance();

[jam, 2011/06/03 00:21:45]

nit: if you're going to have the class in the cc file, then there's not much
point in declaring the class first and then the methods later.

+
+  virtual void RunJavaScriptDialog(content::JavaScriptDialogDelegate* delegate,
+                                   const GURL& frame_url,
+                                   int dialog_flags,
+                                   const string16& message_text,
+                                   const string16& default_prompt_text,
+                                   IPC::Message* reply_message,
+                                   bool* did_suppress_message,
+                                   Profile* profile) OVERRIDE;
+
+  virtual void RunBeforeUnloadDialog(
+      content::JavaScriptDialogDelegate* delegate,
+      const string16& message_text,
+      IPC::Message* reply_message) OVERRIDE;
+
+  virtual void ResetJavaScriptState(
+      content::JavaScriptDialogDelegate* delegate) OVERRIDE;
+
+ private:
+  explicit JavaScriptDialogCreatorImpl();
+  virtual ~JavaScriptDialogCreatorImpl();
+
+  friend struct DefaultSingletonTraits<JavaScriptDialogCreatorImpl>;
+
+  string16 GetTitle(Profile* profile,
+                    bool is_alert,
+                    const GURL& frame_url);
+
+  // Mapping between the JavaScriptDialogDelegates and their extra data. The key
+  // is a void* because the pointer is just a cookie and is never dereferenced.
+  typedef std::map<void*, ChromeJavaScriptDialogExtraData>
+      JavaScriptDialogExtraDataMap;
+  JavaScriptDialogExtraDataMap javascript_dialog_extra_data_;
+};
+
+//------------------------------------------------------------------------------
+
+JavaScriptDialogCreatorImpl::JavaScriptDialogCreatorImpl() {
+}
+
+JavaScriptDialogCreatorImpl::~JavaScriptDialogCreatorImpl() {
+}
+
+/* static */
+JavaScriptDialogCreatorImpl* JavaScriptDialogCreatorImpl::GetInstance() {
+  return Singleton<JavaScriptDialogCreatorImpl>::get();
+}
+
+void JavaScriptDialogCreatorImpl::RunJavaScriptDialog(
+    content::JavaScriptDialogDelegate* delegate,
+    const GURL& frame_url,
+    int dialog_flags,
+    const string16& message_text,
+    const string16& default_prompt_text,
+    IPC::Message* reply_message,
+    bool* did_suppress_message,
+    Profile* profile)  {
+  *did_suppress_message = false;
+
+  ChromeJavaScriptDialogExtraData* extra_data =
+      &javascript_dialog_extra_data_[delegate];
+
+  if (extra_data->suppress_javascript_messages_) {
+    *did_suppress_message = true;
+    return;
+  }
+
+  base::TimeDelta time_since_last_message = base::TimeTicks::Now() -
+      extra_data->last_javascript_message_dismissal_;
+  bool display_suppress_checkbox = false;
+  // Show a checkbox offering to suppress further messages if this message is
+  // being displayed within kJavascriptMessageExpectedDelay of the last one.
+  if (time_since_last_message <
+      base::TimeDelta::FromMilliseconds(
+          chrome::kJavascriptMessageExpectedDelay)) {
+    display_suppress_checkbox = true;
+  }
+
+  bool is_alert = dialog_flags == ui::MessageBoxFlags::kIsJavascriptAlert;
+  string16 title = GetTitle(profile, is_alert, frame_url);
+
+  AppModalDialogQueue::GetInstance()->AddDialog(new JavaScriptAppModalDialog(
+      delegate,
+      extra_data,
+      title,
+      dialog_flags,
+      message_text,
+      default_prompt_text,
+      display_suppress_checkbox,
+      false,  // is_before_unload_dialog
+      reply_message));
+}
+
+void JavaScriptDialogCreatorImpl::RunBeforeUnloadDialog(
+    content::JavaScriptDialogDelegate* delegate,
+    const string16& message_text,
+    IPC::Message* reply_message) {
+  ChromeJavaScriptDialogExtraData* extra_data =
+      &javascript_dialog_extra_data_[delegate];
+
+  string16 full_message = message_text + ASCIIToUTF16("\n\n") +
+      l10n_util::GetStringUTF16(IDS_BEFOREUNLOAD_MESSAGEBOX_FOOTER);
+
+  AppModalDialogQueue::GetInstance()->AddDialog(new JavaScriptAppModalDialog(
+      delegate,
+      extra_data,
+      l10n_util::GetStringUTF16(IDS_BEFOREUNLOAD_MESSAGEBOX_TITLE),
+      ui::MessageBoxFlags::kIsJavascriptConfirm,
+      full_message,
+      string16(),  // default_prompt_text
+      false,       // display_suppress_checkbox
+      true,        // is_before_unload_dialog
+      reply_message));
+}
+
+void JavaScriptDialogCreatorImpl::ResetJavaScriptState(
+    content::JavaScriptDialogDelegate* delegate) {
+  javascript_dialog_extra_data_.erase(delegate);
+}
+
+string16 JavaScriptDialogCreatorImpl::GetTitle(Profile* profile,
+                                               bool is_alert,
+                                               const GURL& frame_url) {
   ExtensionService* extensions_service = profile->GetExtensionService();
   if (extensions_service) {
     const Extension* extension =
         extensions_service->GetExtensionByURL(frame_url);
     if (!extension)
       extension = extensions_service->GetExtensionByWebExtent(frame_url);
 
     if (extension && (extension->location() == Extension::COMPONENT)) {
-      return UTF16ToWideHack(l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
+      return l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
     } else if (extension && !extension->name().empty()) {
-      return UTF8ToWide(extension->name());
+      return UTF8ToUTF16(extension->name());
     }
   }
   if (!frame_url.has_host()) {
-    return UTF16ToWideHack(l10n_util::GetStringUTF16(
+    return l10n_util::GetStringUTF16(
         is_alert ? IDS_JAVASCRIPT_ALERT_DEFAULT_TITLE
-                 : IDS_JAVASCRIPT_MESSAGEBOX_DEFAULT_TITLE));
+                 : IDS_JAVASCRIPT_MESSAGEBOX_DEFAULT_TITLE);
   }
 
   // TODO(brettw) it should be easier than this to do the correct language
   // handling without getting the accept language from the profile.
   string16 base_address = ui::ElideUrl(frame_url.GetOrigin(),
       gfx::Font(), 0, profile->GetPrefs()->GetString(prefs::kAcceptLanguages));
 
   // Force URL to have LTR directionality.
   base_address = base::i18n::GetDisplayStringInLTRDirectionality(
       base_address);
 
-  return UTF16ToWide(l10n_util::GetStringFUTF16(
+  return l10n_util::GetStringFUTF16(
       is_alert ? IDS_JAVASCRIPT_ALERT_TITLE :
                  IDS_JAVASCRIPT_MESSAGEBOX_TITLE,
-      base_address));
+      base_address);
 }
 
-void RunJavascriptMessageBox(Profile* profile,
-                             JavaScriptAppModalDialogDelegate* delegate,
-                             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) {
-  bool is_alert = dialog_flags == ui::MessageBoxFlags::kIsJavascriptAlert;
-  std::wstring title = GetTitle(profile, is_alert, frame_url);
-  AppModalDialogQueue::GetInstance()->AddDialog(new JavaScriptAppModalDialog(
-      delegate, title, dialog_flags, message_text, default_prompt_text,
-      display_suppress_checkbox, false, reply_msg));
+//------------------------------------------------------------------------------
+
+content::JavaScriptDialogCreator* GetJavaScriptDialogCreatorInstance() {
+  return JavaScriptDialogCreatorImpl::GetInstance();
 }
-
-void RunBeforeUnloadDialog(TabContents* tab_contents,
-                           const std::wstring& message_text,
-                           IPC::Message* reply_msg) {
-  std::wstring full_message = message_text + L"\n\n" + UTF16ToWideHack(
-      l10n_util::GetStringUTF16(IDS_BEFOREUNLOAD_MESSAGEBOX_FOOTER));
-  AppModalDialogQueue::GetInstance()->AddDialog(new JavaScriptAppModalDialog(
-      tab_contents,
-      UTF16ToWideHack(
-          l10n_util::GetStringUTF16(IDS_BEFOREUNLOAD_MESSAGEBOX_TITLE)),
-      ui::MessageBoxFlags::kIsJavascriptConfirm,
-      message_text,
-      std::wstring(),
-      false,
-      true,
-      reply_msg));
-}