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 #import "base/mac/scoped_nsobject.h"
  11 #include "ui/views/views_export.h"
  12
  13 namespace views {
  14 class NativeWidgetMac;
  15 class BridgedNativeWidget;
  16 }
  17
  18 // The delegate set on the NSWindow when a views::BridgedNativeWidget is
  19 // initialized.
  20 VIEWS_EXPORT
  21 @interface ViewsNSWindowDelegate : NSObject<NSWindowDelegate> {
  22  @private
  23   views::BridgedNativeWidget* parent_;  // Weak. Owns this.
  24   base::scoped_nsobject<NSCursor> cursor_;
  25 }
  26
  27 // The NativeWidgetMac that created the window this is attached to. Returns
  28 // NULL if not created by NativeWidgetMac.
  29 @property(nonatomic, readonly) views::NativeWidgetMac* nativeWidgetMac;
  30
  31 // If set, the cursor set in -[NSResponder updateCursor:] when the window is
  32 // reached along the responder chain.
  33 @property(retain, nonatomic) NSCursor* cursor;
  34
  35 // Initialize with the given |parent|.
  36 - (id)initWithBridgedNativeWidget:(views::BridgedNativeWidget*)parent;
  37
  38 // Notify that the window is about to be reordered on screen. This ensures a
  39 // paint will occur, even if Cocoa has not yet updated the window visibility.
  40 - (void)onWindowOrderWillChange:(NSWindowOrderingMode)orderingMode;
  41
  42 // Notify that the window has been reordered in (or removed from) the window
  43 // server's screen list. This is a substitute for -[NSWindowDelegate
  44 // windowDidExpose:], which is only sent for nonretained windows (those without
  45 // a backing store). |notification| is optional and can be set when redirecting
  46 // a notification such as NSApplicationDidHideNotification.
  47 - (void)onWindowOrderChanged:(NSNotification*)notification;
  48
  49 // Notify when -[NSWindow display] is being called on the window.
  50 - (void)onWindowWillDisplay;
  51
  52 // Called on the delegate of a modal sheet when its modal session ends.
  53 - (void)sheetDidEnd:(NSWindow*)sheet
  54          returnCode:(NSInteger)returnCode
  55         contextInfo:(void*)contextInfo;
  56
  57 // Redeclare methods defined in the protocol NSWindowDelegate which are only
  58 // available on OSX 10.7+.
  59 - (void)windowDidFailToEnterFullScreen:(NSWindow*)window;
  60 - (void)windowDidFailToExitFullScreen:(NSWindow*)window;
  61
  62 // Called when the application receives a mouse-down, but before the event
  63 // is processed by NSWindows. Returns NO if the event should be processed as-is,
  64 // or YES if the event should be reposted to handle window dragging. Events are
  65 // reposted at the CGSessionEventTap level because window dragging happens there
  66 // before the application receives the event.
  67 - (BOOL)shouldRepostPendingLeftMouseDown:(NSPoint)locationInWindow;
  68
  69 @end
  70
  71 #endif  // UI_VIEWS_COCOA_VIEWS_NSWINDOW_DELEGATE_H_