ui/base/cocoa/nsview_additions.h

   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 UI_BASE_COCOA_NSVIEW_ADDITIONS_H_
   6 #define UI_BASE_COCOA_NSVIEW_ADDITIONS_H_
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 @interface NSView (ChromeAdditions)
  11
  12 // Returns the line width that will generate a 1 pixel wide line.
  13 - (CGFloat)cr_lineWidth;
  14
  15 // Checks if the mouse is currently in this view.
  16 - (BOOL)cr_isMouseInView;
  17
  18 // Returns YES if this view is below |otherView|.
  19 - (BOOL)cr_isBelowView:(NSView*)otherView;
  20
  21 // Returns YES if this view is aobve |otherView|.
  22 - (BOOL)cr_isAboveView:(NSView*)otherView;
  23
  24 // Ensures that the z-order of |subview| is correct relative to |otherView|.
  25 - (void)cr_ensureSubview:(NSView*)subview
  26             isPositioned:(NSWindowOrderingMode)place
  27               relativeTo:(NSView *)otherView;
  28
  29 // Return best color for keyboard focus ring.
  30 - (NSColor*)cr_keyboardFocusIndicatorColor;
  31
  32 // Invoke |block| on this view and all descendants.
  33 - (void)cr_recursivelyInvokeBlock:(void (^)(id view))block;
  34
  35 // Set needsDisplay for this view and all descendants.
  36 - (void)cr_recursivelySetNeedsDisplay:(BOOL)flag;
  37
  38 // Draw using ancestorView's drawRect function into this view's rect. Do any
  39 // required translating or flipping to transform between the two coordinate
  40 // systems, and optionally clip to the ancestor view's bounds.
  41 - (void)cr_drawUsingAncestor:(NSView*)ancestorView inRect:(NSRect)dirtyRect
  42      clippedToAncestorBounds:(BOOL)clipToAncestorBounds;
  43
  44 // Same as cr_drawUsingAncestor:inRect:clippedToAncestorBounds: except always
  45 // clips to the ancestor view's bounds.
  46 - (void)cr_drawUsingAncestor:(NSView*)ancestorView inRect:(NSRect)dirtyRect;
  47
  48 // Used by ancestorView in the above draw call, to look up the child view that
  49 // it is actually drawing to.
  50 - (NSView*)cr_viewBeingDrawnTo;
  51
  52 @end
  53
  54 #endif  // UI_BASE_COCOA_NSVIEW_ADDITIONS_H_