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+// Copyright (c) 2010 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.
+
+#ifndef CHROME_BROWSER_REPOST_FORM_WARNING_CONTROLLER_H_
+#define CHROME_BROWSER_REPOST_FORM_WARNING_CONTROLLER_H_
+
+#include "chrome/browser/tab_contents/constrained_window.h"
+#include "chrome/common/notification_registrar.h"
+
+class NavigationController;
+class TabContents;
+
+// This class is used to continue or cancel a pending reload when the
+// repost form warning is shown. It is owned by the platform-dependent
+// |RepostFormWarning{Gtk,Mac,View}| classes and deletes itself after closing
+// the dialog.
+class RepostFormWarningController : public NotificationObserver {
+ public:
+ explicit RepostFormWarningController(TabContents* tab_contents);
+
+ // Show the warning dialog.
+ void Show(ConstrainedWindowDelegate* window_delegate);
+
+ // Cancel the reload.
+ void Cancel();
+
+ // Continue the reload.
+ void Continue();
+
+ private:
+ virtual ~RepostFormWarningController();
+
+ // NotificationObserver implementation.
+ // Watch for a new load or a closed tab and dismiss the dialog if they occur.
+ void Observe(NotificationType type,
+ const NotificationSource& source,
+ const NotificationDetails& details);
+
+ // Close the warning dialog.
+ void CloseDialog();
+
+ NotificationRegistrar registrar_;
+
+ // Tab contents, used to continue the reload.
+ TabContents* tab_contents_;
+
+ ConstrainedWindow* window_;
+
+ DISALLOW_COPY_AND_ASSIGN(RepostFormWarningController);
+};
+
+#endif // CHROME_BROWSER_REPOST_FORM_WARNING_CONTROLLER_H_