ui/views/cocoa/views_nswindow_delegate.h

   1 // Copyright 2014 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 UI_VIEWS_COCOA_VIEWS_NSWINDOW_DELEGATE_H_
   6 #define UI_VIEWS_COCOA_VIEWS_NSWINDOW_DELEGATE_H_
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 namespace views {
  11 class NativeWidgetMac;
  12 class BridgedNativeWidget;
  13 }
  14
  15 // The delegate set on the NSWindow when a views::BridgedNativeWidget is
  16 // initialized.
  17 @interface ViewsNSWindowDelegate : NSObject<NSWindowDelegate> {
  18  @private
  19   views::BridgedNativeWidget* parent_;  // Weak. Owns this.
  20 }
  21
  22 // The NativeWidgetMac that created the window this is attached to. Returns
  23 // NULL if not created by NativeWidgetMac.
  24 @property(nonatomic, readonly) views::NativeWidgetMac* nativeWidgetMac;
  25
  26 // Initialize with the given |parent|.
  27 - (id)initWithBridgedNativeWidget:(views::BridgedNativeWidget*)parent;
  28
  29 // Notify that the window is about to be reordered on screen. This ensures a
  30 // paint will occur, even if Cocoa has not yet updated the window visibility.
  31 - (void)onWindowOrderWillChange:(NSWindowOrderingMode)orderingMode;
  32
  33 // Notify that the window has been reordered in (or removed from) the window
  34 // server's screen list. This is a substitute for -[NSWindowDelegate
  35 // windowDidExpose:], which is only sent for nonretained windows (those without
  36 // a backing store). |notification| is optional and can be set when redirecting
  37 // a notification such as NSApplicationDidHideNotification.
  38 - (void)onWindowOrderChanged:(NSNotification*)notification;
  39
  40 // Notify when -[NSWindow display] is being called on the window.
  41 - (void)onWindowWillDisplay;
  42
  43 @end
  44
  45 #endif  // UI_VIEWS_COCOA_VIEWS_NSWINDOW_DELEGATE_H_