| // 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_TABS_TAB_CONTROLLER_H_ |
| #define CHROME_BROWSER_UI_COCOA_TABS_TAB_CONTROLLER_H_ |
| |
| #import <Cocoa/Cocoa.h> |
| #include "base/memory/scoped_ptr.h" |
| #import "chrome/browser/ui/cocoa/hover_close_button.h" |
| #import "chrome/browser/ui/cocoa/tabs/tab_strip_drag_controller.h" |
| #include "chrome/browser/ui/tabs/tab_menu_model.h" |
| #include "url/gurl.h" |
| |
| // The loading/waiting state of the tab. |
| enum TabLoadingState { |
| kTabDone, |
| kTabLoading, |
| kTabWaiting, |
| kTabCrashed, |
| }; |
| |
| @class GTMFadeTruncatingTextFieldCell; |
| @class MediaIndicatorView; |
| @class MenuController; |
| namespace TabControllerInternal { |
| class MenuDelegate; |
| } |
| @class TabView; |
| @protocol TabControllerTarget; |
| |
| // A class that manages a single tab in the tab strip. Set its target/action |
| // to be sent a message when the tab is selected by the user clicking. Setting |
| // the |loading| property to YES visually indicates that this tab is currently |
| // loading content via a spinner. |
| // |
| // The tab has the notion of an "icon view" which can be used to display |
| // identifying characteristics such as a favicon, or since it's a full-fledged |
| // view, something with state and animation such as a throbber for illustrating |
| // progress. The default in the nib is an image view so nothing special is |
| // required if that's all you need. |
| |
| @interface TabController : NSViewController<TabDraggingEventTarget> { |
| @private |
| base::scoped_nsobject<NSView> iconView_; |
| base::scoped_nsobject<NSTextField> titleView_; |
| GTMFadeTruncatingTextFieldCell* titleViewCell_; // weak |
| base::scoped_nsobject<MediaIndicatorView> mediaIndicatorView_; |
| base::scoped_nsobject<HoverCloseButton> closeButton_; |
| |
| NSRect originalIconFrame_; // frame of iconView_ as loaded from nib |
| BOOL isIconShowing_; // last state of iconView_ in updateVisibility |
| |
| BOOL app_; |
| BOOL mini_; |
| BOOL pinned_; |
| BOOL active_; |
| BOOL selected_; |
| GURL url_; |
| TabLoadingState loadingState_; |
| id<TabControllerTarget> target_; // weak, where actions are sent |
| SEL action_; // selector sent when tab is selected by clicking |
| scoped_ptr<ui::SimpleMenuModel> contextMenuModel_; |
| scoped_ptr<TabControllerInternal::MenuDelegate> contextMenuDelegate_; |
| base::scoped_nsobject<MenuController> contextMenuController_; |
| } |
| |
| @property(assign, nonatomic) TabLoadingState loadingState; |
| |
| @property(assign, nonatomic) SEL action; |
| @property(assign, nonatomic) BOOL app; |
| @property(assign, nonatomic) BOOL mini; |
| @property(assign, nonatomic) BOOL pinned; |
| @property(assign, nonatomic) NSString* toolTip; |
| // Note that |-selected| will return YES if the controller is |-active|, too. |
| // |-setSelected:| affects the selection, while |-setActive:| affects the key |
| // status/focus of the content. |
| @property(assign, nonatomic) BOOL active; |
| @property(assign, nonatomic) BOOL selected; |
| @property(assign, nonatomic) id target; |
| @property(assign, nonatomic) GURL url; |
| @property(assign, nonatomic) NSView* iconView; |
| @property(readonly, nonatomic) NSTextField* titleView; |
| @property(assign, nonatomic) MediaIndicatorView* mediaIndicatorView; |
| @property(readonly, nonatomic) HoverCloseButton* closeButton; |
| |
| // Minimum and maximum allowable tab width. The minimum width does not show |
| // the icon or the close button. The selected tab always has at least a close |
| // button so it has a different minimum width. |
| + (CGFloat)minTabWidth; |
| + (CGFloat)maxTabWidth; |
| + (CGFloat)minSelectedTabWidth; |
| + (CGFloat)miniTabWidth; |
| + (CGFloat)appTabWidth; |
| |
| // The view associated with this controller, pre-casted as a TabView |
| - (TabView*)tabView; |
| |
| // Closes the associated TabView by relaying the message to |target_| to |
| // perform the close. |
| - (void)closeTab:(id)sender; |
| |
| // Selects the associated TabView by sending |action_| to |target_|. |
| - (void)selectTab:(id)sender; |
| |
| // Called by the tabs to determine whether we are in rapid (tab) closure mode. |
| // In this mode, we handle clicks slightly differently due to animation. |
| // Ideally, tabs would know about their own animation and wouldn't need this. |
| - (BOOL)inRapidClosureMode; |
| |
| // Updates the visibility of certain subviews, such as the icon and close |
| // button, based on criteria such as the tab's selected state and its current |
| // width. |
| - (void)updateVisibility; |
| |
| // Update the title color to match the tabs current state. |
| - (void)updateTitleColor; |
| @end |
| |
| @interface TabController(TestingAPI) |
| - (int)iconCapacity; |
| - (BOOL)shouldShowIcon; |
| - (BOOL)shouldShowMediaIndicator; |
| - (BOOL)shouldShowCloseButton; |
| @end // TabController(TestingAPI) |
| |
| #endif // CHROME_BROWSER_UI_COCOA_TABS_TAB_CONTROLLER_H_ |