[Eraser] First pass at removing the notification center panel.

ui/message_center/cocoa/tray_view_controller.h

-// Copyright (c) 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 UI_MESSAGE_CENTER_COCOA_TRAY_VIEW_CONTROLLER_H_
-#define UI_MESSAGE_CENTER_COCOA_TRAY_VIEW_CONTROLLER_H_
-
-#import <Cocoa/Cocoa.h>
-
-#include <list>
-#include <map>
-#include <string>
-
-#include "base/mac/scoped_block.h"
-#import "base/mac/scoped_nsobject.h"
-#include "base/strings/string16.h"
-#include "ui/message_center/message_center_export.h"
-
-@class HoverImageButton;
-@class MCNotificationController;
-@class MCSettingsController;
-
-namespace message_center {
-class MessageCenter;
-}
-
-@class HoverImageButton;
-@class MCClipView;
-
-namespace message_center {
-typedef void(^TrayAnimationEndedCallback)();
-}
-
-// The view controller responsible for the content of the message center tray
-// UI. This hosts a scroll view of all the notifications, as well as buttons
-// to enter quiet mode and the settings panel.
-MESSAGE_CENTER_EXPORT
-@interface MCTrayViewController : NSViewController<NSAnimationDelegate> {
- @private
-  // Controller of the notifications, where action messages are forwarded. Weak.
-  message_center::MessageCenter* messageCenter_;
-
-  // The back button shown while the settings are open.
-  base::scoped_nsobject<HoverImageButton> backButton_;
-
-  // The "Notifications" label at the top.
-  base::scoped_nsobject<NSTextField> title_;
-
-  // The 1px horizontal divider between the scroll view and the title bar.
-  base::scoped_nsobject<NSBox> divider_;
-
-  // The "Nothing to see here" label in an empty message center.
-  base::scoped_nsobject<NSTextField> emptyDescription_;
-
-  // The scroll view that contains all the notifications in its documentView.
-  base::scoped_nsobject<NSScrollView> scrollView_;
-
-  // The clip view that manages how scrollView_'s documentView is clipped.
-  base::scoped_nsobject<MCClipView> clipView_;
-
-  // Array of MCNotificationController objects, which the array owns.
-  base::scoped_nsobject<NSMutableArray> notifications_;
-
-  // Map of notification IDs to weak pointers of the view controllers in
-  // |notifications_|.
-  std::map<std::string, MCNotificationController*> notificationsMap_;
-
-  // The pause button that enters quiet mode.
-  base::scoped_nsobject<HoverImageButton> pauseButton_;
-
-  // The clear all notifications button. Hidden when there are no notifications.
-  base::scoped_nsobject<HoverImageButton> clearAllButton_;
-
-  // The settings button that shows the settings UI.
-  base::scoped_nsobject<HoverImageButton> settingsButton_;
-
-  // Array of MCNotificationController objects pending removal by the user.
-  // The object is owned by the array.
-  base::scoped_nsobject<NSMutableArray> notificationsPendingRemoval_;
-
-  // Used to animate multiple notifications simultaneously when they're being
-  // removed or repositioned.
-  base::scoped_nsobject<NSViewAnimation> animation_;
-
-  // The controller of the settings view. Only set while the view is open.
-  base::scoped_nsobject<MCSettingsController> settingsController_;
-
-  // The flag which is set when the notification removal animation is still
-  // in progress and the user clicks "Clear All" button. The clear-all animation
-  // will be delayed till the existing animation completes.
-  BOOL clearAllDelayed_;
-
-  // The flag which is set when the clear-all animation is in progress.
-  BOOL clearAllInProgress_;
-
-  // List of weak pointers of the view controllers that are visible in the
-  // scroll view and waiting to slide off one by one when the user clicks
-  // "Clear All" button.
-  std::list<MCNotificationController*> visibleNotificationsPendingClear_;
-
-  // Array of NSViewAnimation objects, which the array owns.
-  base::scoped_nsobject<NSMutableArray> clearAllAnimations_;
-
-  // The duration of the bounds animation, in the number of seconds.
-  NSTimeInterval animationDuration_;
-
-  // The delay to start animating clearing next notification, in the number of
-  // seconds.
-  NSTimeInterval animateClearingNextNotificationDelay_;
-
-  // For testing only. If set, the callback will be called when the animation
-  // ends.
-  base::mac::ScopedBlock<message_center::TrayAnimationEndedCallback>
-      testingAnimationEndedCallback_;
-}
-
-// The title that is displayed at the top of the message center tray.
-@property(copy, nonatomic) NSString* trayTitle;
-
-// Designated initializer.
-- (id)initWithMessageCenter:(message_center::MessageCenter*)messageCenter;
-
-// Called when the window is being closed.
-- (void)onWindowClosing;
-
-// Callback for when the MessageCenter model changes.
-- (void)onMessageCenterTrayChanged;
-
-// Action for the quiet mode button.
-- (void)toggleQuietMode:(id)sender;
-
-// Action for the clear all button.
-- (void)clearAllNotifications:(id)sender;
-
-// Action for the settings button.
-- (void)showSettings:(id)sender;
-
-// Updates the settings dialog in response to contents change due to something
-// like selecting a different profile.
-- (void)updateSettings;
-
-// Hides the settings dialog if it's open.
-- (void)showMessages:(id)sender;
-
-// Cleans up settings data structures.  Called when messages are shown and when
-// closing the center directly from the settings.
-- (void)cleanupSettings;
-
-// Scroll to the topmost notification in the tray.
-- (void)scrollToTop;
-
-// Returns true if an animation is being played.
-- (BOOL)isAnimating;
-
-// Returns the maximum height of the client area of the notifications tray.
-+ (CGFloat)maxTrayClientHeight;
-
-// Returns the width of the notifications tray.
-+ (CGFloat)trayWidth;
-
-@end
-
-// Testing API /////////////////////////////////////////////////////////////////
-
-@interface MCTrayViewController (TestingAPI)
-- (NSBox*)divider;
-- (NSTextField*)emptyDescription;
-- (NSScrollView*)scrollView;
-- (HoverImageButton*)pauseButton;
-- (HoverImageButton*)clearAllButton;
-
-// Setter for changing the animation duration. The testing code could set it
-// to a very small value to expedite the test running.
-- (void)setAnimationDuration:(NSTimeInterval)duration;
-
-// Setter for changing the clear-all animation delay. The testing code could set
-// it to a very small value to expedite the test running.
-- (void)setAnimateClearingNextNotificationDelay:(NSTimeInterval)delay;
-
-// Setter for testingAnimationEndedCallback_. The testing code could set it
-// to get called back when the animation ends.
-- (void)setAnimationEndedCallback:
-    (message_center::TrayAnimationEndedCallback)callback;
-@end
-
-#endif  // UI_MESSAGE_CENTER_COCOA_TRAY_VIEW_CONTROLLER_H_