1// Copyright (c) 2011 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CHROME_BROWSER_UI_COCOA_TABS_TAB_CONTROLLER_H_ 6#define CHROME_BROWSER_UI_COCOA_TABS_TAB_CONTROLLER_H_ 7#pragma once 8 9#import <Cocoa/Cocoa.h> 10#import "chrome/browser/ui/cocoa/hover_close_button.h" 11#include "chrome/browser/ui/tabs/tab_menu_model.h" 12#include "googleurl/src/gurl.h" 13 14// The loading/waiting state of the tab. 15enum TabLoadingState { 16 kTabDone, 17 kTabLoading, 18 kTabWaiting, 19 kTabCrashed, 20}; 21 22@class MenuController; 23namespace TabControllerInternal { 24class MenuDelegate; 25} 26@class TabView; 27@protocol TabControllerTarget; 28 29// A class that manages a single tab in the tab strip. Set its target/action 30// to be sent a message when the tab is selected by the user clicking. Setting 31// the |loading| property to YES visually indicates that this tab is currently 32// loading content via a spinner. 33// 34// The tab has the notion of an "icon view" which can be used to display 35// identifying characteristics such as a favicon, or since it's a full-fledged 36// view, something with state and animation such as a throbber for illustrating 37// progress. The default in the nib is an image view so nothing special is 38// required if that's all you need. 39 40@interface TabController : NSViewController { 41 @private 42 IBOutlet NSView* iconView_; 43 IBOutlet NSTextField* titleView_; 44 IBOutlet HoverCloseButton* closeButton_; 45 46 NSRect originalIconFrame_; // frame of iconView_ as loaded from nib 47 BOOL isIconShowing_; // last state of iconView_ in updateVisibility 48 49 BOOL app_; 50 BOOL mini_; 51 BOOL pinned_; 52 BOOL selected_; 53 GURL url_; 54 TabLoadingState loadingState_; 55 CGFloat iconTitleXOffset_; // between left edges of icon and title 56 id<TabControllerTarget> target_; // weak, where actions are sent 57 SEL action_; // selector sent when tab is selected by clicking 58 scoped_ptr<TabMenuModel> contextMenuModel_; 59 scoped_ptr<TabControllerInternal::MenuDelegate> contextMenuDelegate_; 60 scoped_nsobject<MenuController> contextMenuController_; 61} 62 63@property(assign, nonatomic) TabLoadingState loadingState; 64 65@property(assign, nonatomic) SEL action; 66@property(assign, nonatomic) BOOL app; 67@property(assign, nonatomic) BOOL mini; 68@property(assign, nonatomic) BOOL pinned; 69@property(assign, nonatomic) BOOL selected; 70@property(assign, nonatomic) id target; 71@property(assign, nonatomic) GURL url; 72@property(assign, nonatomic) NSView* iconView; 73@property(assign, nonatomic) NSTextField* titleView; 74@property(assign, nonatomic) HoverCloseButton* closeButton; 75 76// Minimum and maximum allowable tab width. The minimum width does not show 77// the icon or the close button. The selected tab always has at least a close 78// button so it has a different minimum width. 79+ (CGFloat)minTabWidth; 80+ (CGFloat)maxTabWidth; 81+ (CGFloat)minSelectedTabWidth; 82+ (CGFloat)miniTabWidth; 83+ (CGFloat)appTabWidth; 84 85// The view associated with this controller, pre-casted as a TabView 86- (TabView*)tabView; 87 88// Closes the associated TabView by relaying the message to |target_| to 89// perform the close. 90- (IBAction)closeTab:(id)sender; 91 92// Replace the current icon view with the given view. |iconView| will be 93// resized to the size of the current icon view. 94- (void)setIconView:(NSView*)iconView; 95- (NSView*)iconView; 96 97// Called by the tabs to determine whether we are in rapid (tab) closure mode. 98// In this mode, we handle clicks slightly differently due to animation. 99// Ideally, tabs would know about their own animation and wouldn't need this. 100- (BOOL)inRapidClosureMode; 101 102// Updates the visibility of certain subviews, such as the icon and close 103// button, based on criteria such as the tab's selected state and its current 104// width. 105- (void)updateVisibility; 106 107// Update the title color to match the tabs current state. 108- (void)updateTitleColor; 109@end 110 111@interface TabController(TestingAPI) 112- (NSString*)toolTip; 113- (int)iconCapacity; 114- (BOOL)shouldShowIcon; 115- (BOOL)shouldShowCloseButton; 116@end // TabController(TestingAPI) 117 118#endif // CHROME_BROWSER_UI_COCOA_TABS_TAB_CONTROLLER_H_ 119