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diff --git a/chromium/ui/message_center/views/notification_control_buttons_view.h b/chromium/ui/message_center/views/notification_control_buttons_view.h
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+// Copyright 2017 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 UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_CONTROL_BUTTONS_VIEW_H_
+#define UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_CONTROL_BUTTONS_VIEW_H_
+
+#include "base/macros.h"
+#include "third_party/skia/include/core/SkColor.h"
+#include "ui/gfx/animation/animation_delegate.h"
+#include "ui/message_center/message_center_export.h"
+#include "ui/views/controls/button/button.h"
+#include "ui/views/view.h"
+
+namespace ui {
+class Event;
+}
+
+namespace gfx {
+class LinearAnimation;
+}
+
+namespace message_center {
+
+class MessageView;
+class PaddedButton;
+
+class MESSAGE_CENTER_EXPORT NotificationControlButtonsView
+ : public views::View,
+ public views::ButtonListener,
+ public gfx::AnimationDelegate {
+ public:
+ // String to be returned by GetClassName() method.
+ static const char kViewClassName[];
+
+ explicit NotificationControlButtonsView(MessageView* message_view);
+ ~NotificationControlButtonsView() override;
+
+ // Change the visibility of the close button. True to show, false to hide.
+ void ShowCloseButton(bool show);
+ // Change the visibility of the settings button. True to show, false to hide.
+ void ShowSettingsButton(bool show);
+
+ // Set the background color of the view.
+ void SetBackgroundColor(const SkColor& target_bgcolor);
+
+ // Request the focus on the close button.
+ void RequestFocusOnCloseButton();
+
+ // Return the focus status of the close button. True if the focus is on the
+ // close button, false otherwise.
+ bool IsCloseButtonFocused() const;
+ // Return the focus status of the settings button. True if the focus is on the
+ // close button, false otherwise.
+ bool IsSettingsButtonFocused() const;
+
+ // Methods for retrieving the control buttons directly.
+ message_center::PaddedButton* close_button() const;
+ message_center::PaddedButton* settings_button() const;
+
+ // views::View
+ const char* GetClassName() const override;
+ void SetVisible(bool visible) override;
+
+ // views::ButtonListener
+ void ButtonPressed(views::Button* sender, const ui::Event& event) override;
+
+ // gfx::AnimationDelegate
+ void AnimationEnded(const gfx::Animation* animation) override;
+ void AnimationProgressed(const gfx::Animation* animation) override;
+ void AnimationCanceled(const gfx::Animation* animation) override;
+
+ private:
+ MessageView* message_view_;
+
+ std::unique_ptr<message_center::PaddedButton> close_button_;
+ std::unique_ptr<message_center::PaddedButton> settings_button_;
+
+ std::unique_ptr<gfx::LinearAnimation> bgcolor_animation_;
+ SkColor bgcolor_origin_;
+ SkColor bgcolor_target_;
+
+ DISALLOW_COPY_AND_ASSIGN(NotificationControlButtonsView);
+};
+
+} // namespace message_center
+
+#endif // UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_CONTROL_BUTTONS_VIEW_H_