o Cleans up canonical extension_install_ui.cc to avoid #ifdefs when feasible.

o Adds Cocoa implementation of the extension installation prompt.
o Added new cross-platform implementations of the extension install error prompt.
o Got rid of unused extension install strings from early implementations.
o Added a string to display as the header of the error dialog, since it was inline English.

Patch by Andrew Bonventre <andybons@gmail.com>

BUG=19654
TEST=Install an extension on any platform, observe consistent visual behavior and messaging.
Review URL: http://codereview.chromium.org/333015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@30091 0039d316-1c4b-4281-b951-d872f2087c98

7 files changed, 107 insertions, 104 deletions

diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index f4fb242..74e13ae 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -2639,19 +2639,8 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_EXTENSION_PACK_DIALOG_FAILURE_TITLE" desc="Message shown on titlebar of window after unsucessful packing of an extension.">
         Extension Packaging Failure
       </message>
-
-      <!-- TODO(aa): Remove these old warning messages when all the platforms are switched to the new ones, above. -->
-      <message name="IDS_EXTENSION_PROMPT_WARNING_1" desc="Humorous warning displayed in the extension install prompt that tells users that extensions have access to their computer and private data.">
-        Extensions have access to your computer and private data. This means they could forward all your email to your spouse.
-      </message>
-      <message name="IDS_EXTENSION_PROMPT_WARNING_2" desc="Humorous warning displayed in the extension install prompt that tells users that extensions have access to their computer and private data.">
-        Extensions have access to your computer and private data. They could send tweets or email on your behalf.
-      </message>
-      <message name="IDS_EXTENSION_PROMPT_WARNING_3" desc="Humorous warning displayed in the extension install prompt that tells users that extensions have access to their computer and private data.">
-        Extensions can access your computer and private data. They could post unflattering pictures to your Wall.
-      </message>
-      <message name="IDS_EXTENSION_PROMPT_WARNING_SEVERE" desc="A bolded warning below the humorous warning that reiterates that users should only install extensions they trust">
-        Only install extensions you trust.
+      <message name="IDS_EXTENSION_INSTALL_FAILURE_TITLE" desc="Message shown in titlebar/header of the dialog informing the user that an extension failed to install.">
+        Extension Install Failure
       </message>
 
       <message name="IDS_EXTENSION_PROMPT_INSTALL_BUTTON" desc="Text for the install button on the extension install prompt">
diff --git a/chrome/browser/cocoa/extension_install_prompt.mm b/chrome/browser/cocoa/extension_install_prompt.mm
new file mode 100644
index 0000000..06bac7a
--- /dev/null
+++ b/chrome/browser/cocoa/extension_install_prompt.mm
@@ -0,0 +1,50 @@
+// 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.
+
+#import <Cocoa/Cocoa.h>
+
+#include <string>
+
+#include "app/l10n_util_mac.h"
+#include "app/resource_bundle.h"
+#include "base/sys_string_conversions.h"
+#include "chrome/browser/extensions/extension_install_ui.h"
+#include "chrome/common/extensions/extension.h"
+#include "grit/browser_resources.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#include "skia/ext/skia_utils_mac.h"
+
+class Profile;
+
+void ExtensionInstallUI::ShowExtensionInstallPrompt(
+    Profile* profile, Delegate* delegate, Extension* extension, SkBitmap* icon,
+    const std::wstring& warning_text) {
+  NSAlert* alert = [[[NSAlert alloc] init] autorelease];
+  [alert addButtonWithTitle:l10n_util::GetNSString(
+      IDS_EXTENSION_PROMPT_INSTALL_BUTTON)];
+  [alert addButtonWithTitle:l10n_util::GetNSString(
+      IDS_EXTENSION_PROMPT_CANCEL_BUTTON)];
+  [alert setMessageText:l10n_util::GetNSStringF(
+      IDS_EXTENSION_PROMPT_HEADING, UTF8ToUTF16(extension->name()))];
+  [alert setInformativeText:base::SysWideToNSString(warning_text)];
+  [alert setAlertStyle:NSWarningAlertStyle];
+  [alert setIcon:gfx::SkBitmapToNSImage(*icon)];
+
+  if ([alert runModal] == NSAlertFirstButtonReturn) {
+    delegate->ContinueInstall();
+  } else {
+    delegate->AbortInstall();
+  }
+}
+
+void ExtensionInstallUI::ShowExtensionInstallError(const std::string& error) {
+  NSAlert* alert = [[[NSAlert alloc] init] autorelease];
+  [alert addButtonWithTitle:l10n_util::GetNSString(IDS_OK)];
+  [alert setMessageText:l10n_util::GetNSString(
+      IDS_EXTENSION_INSTALL_FAILURE_TITLE)];
+  [alert setInformativeText:base::SysUTF8ToNSString(error)];
+  [alert setAlertStyle:NSWarningAlertStyle];
+  [alert runModal];
+}
diff --git a/chrome/browser/extensions/extension_install_ui.cc b/chrome/browser/extensions/extension_install_ui.cc
index 0182ab0..d574351 100644
--- a/chrome/browser/extensions/extension_install_ui.cc
+++ b/chrome/browser/extensions/extension_install_ui.cc
@@ -10,6 +10,7 @@
 #include "app/resource_bundle.h"
 #include "base/file_util.h"
 #include "base/rand_util.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_window.h"
 #include "chrome/browser/extensions/theme_installed_infobar_delegate.h"
@@ -20,21 +21,13 @@
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 
-#if defined(OS_WIN)
-#include "app/win_util.h"
-#elif defined(OS_MACOSX)
-#include "base/scoped_cftyperef.h"
-#include "base/sys_string_conversions.h"
-#include <CoreFoundation/CFUserNotification.h>
-#elif defined(TOOLKIT_GTK)
+#if defined(TOOLKIT_GTK)
 #include "chrome/browser/extensions/gtk_theme_installed_infobar_delegate.h"
 #include "chrome/browser/gtk/gtk_theme_provider.h"
 #endif
 
 namespace {
 
-#if defined(OS_WIN) || defined(TOOLKIT_GTK)
-
 static std::wstring GetInstallWarning(Extension* extension) {
   // If the extension has a plugin, it's easy: the plugin has the most severe
   // warning.
@@ -80,8 +73,6 @@ static std::wstring GetInstallWarning(Extension* extension) {
     return l10n_util::GetString(IDS_EXTENSION_PROMPT_WARNING_NEW_BROWSER);
 }
 
-#endif
-
 }  // namespace
 
 ExtensionInstallUI::ExtensionInstallUI(Profile* profile)
@@ -89,8 +80,7 @@ ExtensionInstallUI::ExtensionInstallUI(Profile* profile)
 #if defined(TOOLKIT_GTK)
     ,previous_use_gtk_theme_(false)
 #endif
-{
-}
+{}
 
 void ExtensionInstallUI::ConfirmInstall(Delegate* delegate,
                                         Extension* extension,
@@ -117,7 +107,6 @@ void ExtensionInstallUI::ConfirmInstall(Delegate* delegate,
     return;
   }
 
-#if defined(OS_WIN) || defined(TOOLKIT_GTK)
   if (!install_icon) {
     install_icon = ResourceBundle::GetSharedInstance().GetBitmapNamed(
         IDR_DEFAULT_EXTENSION_ICON_128);
@@ -126,54 +115,6 @@ void ExtensionInstallUI::ConfirmInstall(Delegate* delegate,
   ShowExtensionInstallPrompt(profile_, delegate, extension, install_icon,
                              GetInstallWarning(extension));
 
-#elif defined(OS_MACOSX)
-  // TODO(port): Implement nicer UI.
-  // Using CoreFoundation to do this dialog is unimaginably lame but will do
-  // until the UI is redone.
-  scoped_cftyperef<CFStringRef> confirm_title(base::SysWideToCFStringRef(
-      l10n_util::GetString(IDS_EXTENSION_PROMPT_TITLE)));
-
-  // Build the confirmation prompt, including a heading, a random humorous
-  // warning, and a severe warning.
-  const string16& confirm_format(ASCIIToUTF16("$1\n\n$2\n\n$3"));
-  std::vector<string16> subst;
-  subst.push_back(l10n_util::GetStringFUTF16(IDS_EXTENSION_PROMPT_HEADING,
-      UTF8ToUTF16(extension->name())));
-  string16 warnings[] = {
-    l10n_util::GetStringUTF16(IDS_EXTENSION_PROMPT_WARNING_1),
-    l10n_util::GetStringUTF16(IDS_EXTENSION_PROMPT_WARNING_2),
-    l10n_util::GetStringUTF16(IDS_EXTENSION_PROMPT_WARNING_3)
-  };
-  subst.push_back(warnings[base::RandInt(0, arraysize(warnings) - 1)]);
-  subst.push_back(l10n_util::GetStringUTF16(
-      IDS_EXTENSION_PROMPT_WARNING_SEVERE));
-  scoped_cftyperef<CFStringRef> confirm_prompt(base::SysUTF16ToCFStringRef(
-      ReplaceStringPlaceholders(confirm_format, subst, NULL)));
-
-  scoped_cftyperef<CFStringRef> confirm_cancel(base::SysWideToCFStringRef(
-      l10n_util::GetString(IDS_EXTENSION_PROMPT_CANCEL_BUTTON)));
-
-  CFOptionFlags response;
-  CFUserNotificationDisplayAlert(
-      0, kCFUserNotificationCautionAlertLevel,
-      NULL, // TODO(port): show the install_icon instead of a default.
-      NULL, NULL, // Sound URL, localization URL.
-      confirm_title,
-      confirm_prompt,
-      NULL, // Default button.
-      confirm_cancel,
-      NULL, // Other button.
-      &response);
-  if (response == kCFUserNotificationAlternateResponse) {
-    delegate->AbortInstall();
-  } else {
-    delegate->ContinueInstall();
-  }
-#else
-  // TODO(port): Implement some UI.
-  NOTREACHED();
-  delegate->ContinueInstall();
-#endif  // OS_*
 }
 
 void ExtensionInstallUI::OnInstallSuccess(Extension* extension) {
@@ -183,24 +124,7 @@ void ExtensionInstallUI::OnInstallSuccess(Extension* extension) {
 void ExtensionInstallUI::OnInstallFailure(const std::string& error) {
   DCHECK(ui_loop_ == MessageLoop::current());
 
-#if defined(OS_WIN)
-  win_util::MessageBox(NULL, UTF8ToWide(error), L"Extension Install Error",
-      MB_OK | MB_SETFOREGROUND);
-#elif defined(OS_MACOSX)
-  // There must be a better way to do this, for all platforms.
-  scoped_cftyperef<CFStringRef> message_cf(
-      base::SysUTF8ToCFStringRef(error));
-  CFOptionFlags response;
-  CFUserNotificationDisplayAlert(
-      0, kCFUserNotificationNoteAlertLevel, NULL, NULL, NULL,
-      CFSTR("Extension Install Error"), message_cf,
-      NULL, NULL, NULL, &response);
-#else
-  GtkWidget* dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL,
-      GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", error.c_str());
-  g_signal_connect(dialog, "response", G_CALLBACK(gtk_widget_destroy), NULL);
-  gtk_widget_show_all(dialog);
-#endif
+  ShowExtensionInstallError(error);
 }
 
 void ExtensionInstallUI::OnOverinstallAttempted(Extension* extension) {
@@ -230,18 +154,22 @@ void ExtensionInstallUI::ShowThemeInfoBar(Extension* new_theme) {
   }
 
   // Then either replace that old one or add a new one.
-  InfoBarDelegate* new_delegate =
-#if defined(TOOLKIT_GTK)
-      new GtkThemeInstalledInfoBarDelegate(
-          tab_contents,
-          new_theme->name(), previous_theme_id_, previous_use_gtk_theme_);
-#else
-      new ThemeInstalledInfoBarDelegate(tab_contents,
-                                        new_theme->name(), previous_theme_id_);
-#endif
+  InfoBarDelegate* new_delegate = GetNewInfoBarDelegate(new_theme,
+      tab_contents);
 
   if (old_delegate)
     tab_contents->ReplaceInfoBar(old_delegate, new_delegate);
   else
     tab_contents->AddInfoBar(new_delegate);
 }
+
+InfoBarDelegate* ExtensionInstallUI::GetNewInfoBarDelegate(
+    Extension* new_theme, TabContents* tab_contents) {
+#if defined(TOOLKIT_GTK)
+  return new GtkThemeInstalledInfoBarDelegate(tab_contents, new_theme->name(),
+      previous_theme_id_, previous_use_gtk_theme_);
+#else
+  return new ThemeInstalledInfoBarDelegate(tab_contents, new_theme->name(),
+      previous_theme_id_);
+#endif
+}
diff --git a/chrome/browser/extensions/extension_install_ui.h b/chrome/browser/extensions/extension_install_ui.h
index 6a2fc68..18811a5 100644
--- a/chrome/browser/extensions/extension_install_ui.h
+++ b/chrome/browser/extensions/extension_install_ui.h
@@ -15,8 +15,10 @@ class Extension;
 class ExtensionsService;
 class MessageLoop;
 class Profile;
+class InfoBarDelegate;
 class SandboxedExtensionUnpacker;
 class SkBitmap;
+class TabContents;
 
 // Displays all the UI around extension installation.
 class ExtensionInstallUI {
@@ -32,12 +34,13 @@ class ExtensionInstallUI {
     virtual void AbortInstall() = 0;
   };
 
-  // NOTE: The implementation of this is platform-specific.
+  // NOTE: The implementations of these functions are platform-specific.
   static void ShowExtensionInstallPrompt(Profile* profile,
                                          Delegate* delegate,
                                          Extension* extension,
                                          SkBitmap* install_icon,
                                          const std::wstring& warning_text);
+  static void ShowExtensionInstallError(const std::string& error);
 
   ExtensionInstallUI(Profile* profile);
 
@@ -60,8 +63,15 @@ class ExtensionInstallUI {
   void OnOverinstallAttempted(Extension* extension);
 
  private:
+  // When a Theme is downloaded it is applied and an info bar is shown to give
+  // the user a choice to keep it or undo the installation.
   void ShowThemeInfoBar(Extension* new_theme);
 
+  // Returns the delegate to control the browser's info bar. This is within its
+  // own function due to its platform-specific nature.
+  InfoBarDelegate* GetNewInfoBarDelegate(Extension* new_theme,
+                                         TabContents* tab_contents);
+
   Profile* profile_;
   MessageLoop* ui_loop_;
   std::string previous_theme_id_;  // Used to undo theme installation.
diff --git a/chrome/browser/gtk/extension_install_prompt_gtk.cc b/chrome/browser/gtk/extension_install_prompt_gtk.cc
index 943cb0e..1335ceb 100644
--- a/chrome/browser/gtk/extension_install_prompt_gtk.cc
+++ b/chrome/browser/gtk/extension_install_prompt_gtk.cc
@@ -122,3 +122,12 @@ void ExtensionInstallUI::ShowExtensionInstallPrompt(
   ShowInstallPromptDialog(browser_window->window(), icon, extension, delegate,
       warning_ascii);
 }
+
+void ExtensionInstallUI::ShowExtensionInstallError(const std::string& error) {
+  GtkWidget* dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL,
+      GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", error.c_str());
+  gtk_window_set_title(GTK_WINDOW(dialog),
+      l10n_util::GetStringUTF8(IDS_EXTENSION_INSTALL_FAILURE_TITLE).c_str());
+  g_signal_connect(dialog, "response", G_CALLBACK(gtk_widget_destroy), NULL);
+  gtk_widget_show_all(dialog);
+}
diff --git a/chrome/browser/views/extensions/extension_install_prompt.cc b/chrome/browser/views/extensions/extension_install_prompt.cc
index e5c06c65..c1be2da 100644
--- a/chrome/browser/views/extensions/extension_install_prompt.cc
+++ b/chrome/browser/views/extensions/extension_install_prompt.cc
@@ -19,6 +19,10 @@
 #include "views/window/dialog_delegate.h"
 #include "views/window/window.h"
 
+#if defined(OS_WIN)
+#include "app/win_util.h"
+#endif
+
 class Profile;
 
 namespace {
@@ -134,7 +138,7 @@ class InstallDialogContent : public views::View, public views::DialogDelegate {
   DISALLOW_COPY_AND_ASSIGN(InstallDialogContent);
 };
 
-} // namespace
+}  // namespace
 
 void ExtensionInstallUI::ShowExtensionInstallPrompt(
     Profile* profile, Delegate* delegate, Extension* extension, SkBitmap* icon,
@@ -155,3 +159,14 @@ void ExtensionInstallUI::ShowExtensionInstallPrompt(
       new InstallDialogContent(delegate, extension, icon,
                                warning_text))->Show();
 }
+
+void ExtensionInstallUI::ShowExtensionInstallError(const std::string& error) {
+#if defined(OS_WIN)
+  win_util::MessageBox(NULL, UTF8ToWide(error),
+      l10n_util::GetString(IDS_EXTENSION_INSTALL_FAILURE_TITLE),
+      MB_OK | MB_SETFOREGROUND);
+#else
+  // TODO(port): Port this over to OS_*
+  NOTREACHED();
+#endif
+}
diff --git a/chrome/chrome.gyp b/chrome/chrome.gyp
index 37a14a6..aea45c3 100755
--- a/chrome/chrome.gyp
+++ b/chrome/chrome.gyp
@@ -1105,6 +1105,7 @@
         'browser/cocoa/encoding_menu_controller_delegate_mac.mm',
         'browser/cocoa/event_utils.h',
         'browser/cocoa/event_utils.mm',
+        'browser/cocoa/extension_install_prompt.mm',
         'browser/cocoa/extension_shelf_controller.h',
         'browser/cocoa/extension_shelf_controller.mm',
         'browser/cocoa/extension_view_mac.h',
@@ -2732,6 +2733,7 @@
                 ['include', '^browser/views/dragged_tab_controller.h'],
                 ['include', '^browser/views/event_utils.cc'],
                 ['include', '^browser/views/event_utils.h'],
+                ['include', '^browser/views/extensions/extension_install_prompt.cc'],
                 ['include', '^browser/views/extensions/extension_popup.cc'],
                 ['include', '^browser/views/extensions/extension_popup.h'],
                 ['include', '^browser/views/extensions/extension_shelf.cc'],