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// Copyright 2013 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_UI_VIEWS_MESSAGE_CENTER_MESSAGE_CENTER_WIDGET_DELEGATE_H_
#define CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_MESSAGE_CENTER_WIDGET_DELEGATE_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string16.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/message_center/message_center.h"
#include "ui/message_center/message_center_tray.h"
#include "ui/message_center/message_center_tray_delegate.h"
#include "ui/message_center/views/message_center_view.h"
#include "ui/views/widget/widget_delegate.h"
#include "ui/views/widget/widget_observer.h"
namespace message_center {
enum Alignment {
ALIGNMENT_TOP = 1 << 0,
ALIGNMENT_LEFT = 1 << 1,
ALIGNMENT_BOTTOM = 1 << 2,
ALIGNMENT_RIGHT = 1 << 3,
ALIGNMENT_NONE = 1 << 4,
};
struct PositionInfo {
int max_height;
// Alignment of the message center relative to the center of the screen.
Alignment message_center_alignment;
// Alignment of the taskbar relative to the center of the screen.
Alignment taskbar_alignment;
// Point relative to which message center is positioned.
gfx::Point inital_anchor_point;
};
class WebNotificationTray;
class MessageCenterFrameView;
// MessageCenterWidgetDelegate is the message center's client view. It also
// creates the message center widget and sets the notifications.
//
////////////////////////////////////////////////////////////////////////////////
class MessageCenterWidgetDelegate : public views::WidgetDelegate,
public message_center::MessageCenterView,
public views::WidgetObserver {
public:
MessageCenterWidgetDelegate(WebNotificationTray* tray,
MessageCenterTray* mc_tray,
bool initially_settings_visible,
const PositionInfo& pos_info,
const base::string16& title);
~MessageCenterWidgetDelegate() override;
// WidgetDelegate overrides:
View* GetContentsView() override;
views::NonClientFrameView* CreateNonClientFrameView(
views::Widget* widget) override;
void DeleteDelegate() override;
views::Widget* GetWidget() override;
const views::Widget* GetWidget() const override;
// WidgetObserver overrides:
void OnWidgetActivationChanged(views::Widget* widget, bool active) override;
void OnWidgetClosing(views::Widget* widget) override;
// View overrides:
void PreferredSizeChanged() override;
gfx::Size GetPreferredSize() const override;
gfx::Size GetMaximumSize() const override;
int GetHeightForWidth(int width) const override;
bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
private:
// Creates and initializes the message center widget.
void InitWidget();
// Shifts the message center anchor point such that the mouse click point is
// along the middle 60% of the width of the message center if taskbar is
// horizontal aligned. If vertically aligned, ensures that mouse click point
// is along the height of the message center (at least at a corner).
gfx::Point GetCorrectedAnchor(gfx::Size calculated_size);
// Calculates the message center bounds using the position info and the
// corrected anchor.
gfx::Rect GetMessageCenterBounds();
// Insets of the message center border (set in MessageCenterFrameView).
gfx::Insets border_insets_;
// Info necessary to calculate the estimated position of the message center.
PositionInfo pos_info_;
WebNotificationTray* tray_;
};
} // namespace message_center
#endif // CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_MESSAGE_CENTER_WIDGET_DELEGATE_H_
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