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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 CHROME_BROWSER_UI_COCOA_LOCATION_BAR_BUTTON_DECORATION_H_
#define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_BUTTON_DECORATION_H_
#import "base/mac/scoped_nsobject.h"
#include "chrome/browser/ui/cocoa/location_bar/location_bar_decoration.h"
#import "ui/base/cocoa/appkit_utils.h"
// |LocationBarDecoration| which looks and acts like a button. It has a
// nine-part image as the background, and an icon that is rendered in the center
// of the nine-part image.
class ButtonDecoration : public LocationBarDecoration {
public:
enum ButtonState {
kButtonStateNormal,
kButtonStateHover,
kButtonStatePressed
};
// Constructs the ButtonDecoration with the specified background 9-part images
// and icons for the three button states. Also takes the maximum number of
// pixels of inner horizontal padding to be used between the left/right 9-part
// images and the icon.
ButtonDecoration(ui::NinePartImageIds normal_image_ids,
int normal_icon_id,
ui::NinePartImageIds hover_image_ids,
int hover_icon_id,
ui::NinePartImageIds pressed_image_ids,
int pressed_icon_id,
CGFloat max_inner_padding);
~ButtonDecoration() override;
void SetButtonState(ButtonState state);
ButtonState GetButtonState() const;
// Whether a click on this decoration should prevent focusing of the omnibox
// or not.
virtual bool PreventFocus(NSPoint location) const;
// Changes the icon for the specified button state only.
void SetIcon(ButtonState state, int icon_id);
// Changes the icon for all button states.
void SetIcon(int icon_id);
// Changes the background image for all button states.
void SetBackgroundImageIds(ui::NinePartImageIds normal_image_ids,
ui::NinePartImageIds hover_image_ids,
ui::NinePartImageIds pressed_image_ids);
ui::NinePartImageIds GetBackgroundImageIds() const;
NSImage* GetIconImage() const;
// Implement |LocationBarDecoration|.
CGFloat GetWidthForSpace(CGFloat width) override;
void DrawInFrame(NSRect frame, NSView* control_view) override;
bool AcceptsMousePress() override;
bool IsDraggable() override;
bool OnMousePressed(NSRect frame, NSPoint location) override;
ButtonDecoration* AsButtonDecoration() override;
private:
ui::NinePartImageIds normal_image_ids_;
ui::NinePartImageIds hover_image_ids_;
ui::NinePartImageIds pressed_image_ids_;
int normal_icon_id_;
int hover_icon_id_;
int pressed_icon_id_;
ButtonState state_;
CGFloat max_inner_padding_;
DISALLOW_COPY_AND_ASSIGN(ButtonDecoration);
};
#endif // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_BUTTON_DECORATION_H_
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