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// Copyright (c) 2012 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_MESSAGE_VIEW_H_
#define UI_MESSAGE_CENTER_VIEWS_MESSAGE_VIEW_H_
#include "base/memory/scoped_ptr.h"
#include "base/strings/string16.h"
#include "ui/gfx/insets.h"
#include "ui/message_center/message_center_export.h"
#include "ui/message_center/notification.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/slide_out_view.h"
namespace ui {
class MenuModel;
}
namespace views {
class ImageButton;
class ImageView;
class Painter;
class ScrollView;
}
namespace message_center {
// Interface that MessageView uses to report clicks and other user actions.
// Provided by creator of MessageView.
class MessageViewController {
public:
virtual void ClickOnNotification(const std::string& notification_id) = 0;
virtual void RemoveNotification(const std::string& notification_id,
bool by_user) = 0;
};
// Individual notifications constants.
const int kPaddingBetweenItems = 10;
const int kPaddingHorizontal = 18;
const int kWebNotificationButtonWidth = 32;
const int kWebNotificationIconSize = 40;
// An base class for a notification entry. Contains background, close button
// and other elements shared by derived notification views.
class MESSAGE_CENTER_EXPORT MessageView : public views::SlideOutView,
public views::ButtonListener {
public:
MessageView(MessageViewController* controller,
const std::string& notification_id,
const NotifierId& notifier_id,
const gfx::ImageSkia& small_image,
const base::string16& display_source);
virtual ~MessageView();
// Updates this view with the new data contained in the notification.
virtual void UpdateWithNotification(const Notification& notification);
// Returns the insets for the shadow it will have for rich notification.
static gfx::Insets GetShadowInsets();
// Creates a shadow around the notification.
void CreateShadowBorder();
bool IsCloseButtonFocused();
void RequestFocusOnCloseButton();
void set_accessible_name(const base::string16& accessible_name) {
accessible_name_ = accessible_name;
}
// Overridden from views::View:
virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
virtual bool OnKeyReleased(const ui::KeyEvent& event) OVERRIDE;
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
virtual void OnFocus() OVERRIDE;
virtual void OnBlur() OVERRIDE;
virtual void Layout() OVERRIDE;
// Overridden from ui::EventHandler:
virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
// Overridden from ButtonListener:
virtual void ButtonPressed(views::Button* sender,
const ui::Event& event) OVERRIDE;
void set_scroller(views::ScrollView* scroller) { scroller_ = scroller; }
std::string notification_id() { return notification_id_; }
NotifierId notifier_id() { return notifier_id_; }
const base::string16& display_source() const { return display_source_; }
protected:
// Overridden from views::SlideOutView:
virtual void OnSlideOut() OVERRIDE;
views::ImageView* small_image() { return small_image_view_.get(); }
views::ImageButton* close_button() { return close_button_.get(); }
views::ScrollView* scroller() { return scroller_; }
private:
MessageViewController* controller_;
std::string notification_id_;
NotifierId notifier_id_;
views::View* background_view_; // Owned by views hierarchy.
scoped_ptr<views::ImageButton> close_button_;
scoped_ptr<views::ImageView> small_image_view_;
views::ScrollView* scroller_;
base::string16 accessible_name_;
base::string16 display_source_;
scoped_ptr<views::Painter> focus_painter_;
DISALLOW_COPY_AND_ASSIGN(MessageView);
};
} // namespace message_center
#endif // UI_MESSAGE_CENTER_VIEWS_MESSAGE_VIEW_H_
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