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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_UI_COCOA_EXTENSIONS_BROWSER_ACTIONS_CONTROLLER_H_
#define CHROME_BROWSER_UI_COCOA_EXTENSIONS_BROWSER_ACTIONS_CONTROLLER_H_
#pragma once
#import <Cocoa/Cocoa.h>
#import "base/scoped_nsobject.h"
#include "base/scoped_ptr.h"
class Browser;
@class BrowserActionButton;
@class BrowserActionsContainerView;
class Extension;
@class ExtensionPopupController;
class ExtensionToolbarModel;
class ExtensionServiceObserverBridge;
@class MenuButton;
class PrefService;
class Profile;
// Sent when the visibility of the Browser Actions changes.
extern NSString* const kBrowserActionVisibilityChangedNotification;
// Handles state and provides an interface for controlling the Browser Actions
// container within the Toolbar.
@interface BrowserActionsController : NSObject {
@private
// Reference to the current browser. Weak.
Browser* browser_;
// The view from Toolbar.xib we'll be rendering our browser actions in. Weak.
BrowserActionsContainerView* containerView_;
// The current profile. Weak.
Profile* profile_;
// The model that tracks the order of the toolbar icons. Weak.
ExtensionToolbarModel* toolbarModel_;
// The observer for the ExtensionService we're getting events from.
scoped_ptr<ExtensionServiceObserverBridge> observer_;
// A dictionary of Extension ID -> BrowserActionButton pairs representing the
// buttons present in the container view. The ID is a string unique to each
// extension.
scoped_nsobject<NSMutableDictionary> buttons_;
// Array of hidden buttons in the correct order in which the user specified.
scoped_nsobject<NSMutableArray> hiddenButtons_;
// The currently running chevron animation (fade in/out).
scoped_nsobject<NSViewAnimation> chevronAnimation_;
// The chevron button used when Browser Actions are hidden.
scoped_nsobject<MenuButton> chevronMenuButton_;
// The Browser Actions overflow menu.
scoped_nsobject<NSMenu> overflowMenu_;
}
@property(readonly, nonatomic) BrowserActionsContainerView* containerView;
// Initializes the controller given the current browser and container view that
// will hold the browser action buttons.
- (id)initWithBrowser:(Browser*)browser
containerView:(BrowserActionsContainerView*)container;
// Update the display of all buttons.
- (void)update;
// Returns the current number of browser action buttons within the container,
// whether or not they are displayed.
- (NSUInteger)buttonCount;
// Returns the current number of browser action buttons displayed in the
// container.
- (NSUInteger)visibleButtonCount;
// Returns a pointer to the chevron menu button.
- (MenuButton*)chevronMenuButton;
// Resizes the container given the number of visible buttons, taking into
// account the size of the grippy. Also updates the persistent width preference.
- (void)resizeContainerAndAnimate:(BOOL)animate;
// Returns the NSView for the action button associated with an extension.
- (NSView*)browserActionViewForExtension:(const Extension*)extension;
// Returns the saved width determined by the number of shown Browser Actions
// preference property. If no preference is found, then the width for the
// container is returned as if all buttons are shown.
- (CGFloat)savedWidth;
// Returns where the popup arrow should point to for a given Browser Action. If
// it is passed an extension that is not a Browser Action, then it will return
// NSZeroPoint.
- (NSPoint)popupPointForBrowserAction:(const Extension*)extension;
// Returns whether the chevron button is currently hidden or in the process of
// being hidden (fading out). Will return NO if it is not hidden or is in the
// process of fading in.
- (BOOL)chevronIsHidden;
// Registers the user preferences used by this class.
+ (void)registerUserPrefs:(PrefService*)prefs;
@end // @interface BrowserActionsController
@interface BrowserActionsController(TestingAPI)
- (NSButton*)buttonWithIndex:(NSUInteger)index;
@end
#endif // CHROME_BROWSER_UI_COCOA_EXTENSIONS_BROWSER_ACTIONS_CONTROLLER_H_
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