| // 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. |
| |
| #import "chrome/browser/ui/cocoa/nsview_additions.h" |
| |
| #include "base/logging.h" |
| |
| #if !defined(MAC_OS_X_VERSION_10_7) || \ |
| MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7 |
| |
| @interface NSView (LionAPI) |
| - (NSSize)convertSizeFromBacking:(NSSize)size; |
| @end |
| |
| #endif // 10.7 |
| |
| @implementation NSView (ChromeAdditions) |
| |
| - (CGFloat)cr_lineWidth { |
| // All shipping retina macs run at least 10.7. |
| if (![self respondsToSelector:@selector(convertSizeFromBacking:)]) |
| return 1; |
| return [self convertSizeFromBacking:NSMakeSize(1, 1)].width; |
| } |
| |
| - (BOOL)cr_isMouseInView { |
| NSPoint mouseLoc = [[self window] mouseLocationOutsideOfEventStream]; |
| mouseLoc = [[self superview] convertPoint:mouseLoc fromView:nil]; |
| return [self hitTest:mouseLoc] == self; |
| } |
| |
| - (BOOL)cr_isBelowView:(NSView*)otherView { |
| NSArray* subviews = [[self superview] subviews]; |
| |
| NSUInteger selfIndex = [subviews indexOfObject:self]; |
| DCHECK_NE(NSNotFound, selfIndex); |
| |
| NSUInteger otherIndex = [subviews indexOfObject:otherView]; |
| DCHECK_NE(NSNotFound, otherIndex); |
| |
| return selfIndex < otherIndex; |
| } |
| |
| - (BOOL)cr_isAboveView:(NSView*)otherView { |
| return ![self cr_isBelowView:otherView]; |
| } |
| |
| - (void)cr_ensureSubview:(NSView*)subview |
| isPositioned:(NSWindowOrderingMode)place |
| relativeTo:(NSView *)otherView { |
| DCHECK(place == NSWindowAbove || place == NSWindowBelow); |
| BOOL isAbove = place == NSWindowAbove; |
| if ([[subview superview] isEqual:self] && |
| [subview cr_isAboveView:otherView] == isAbove) { |
| return; |
| } |
| |
| [subview removeFromSuperview]; |
| [self addSubview:subview |
| positioned:place |
| relativeTo:otherView]; |
| } |
| |
| - (NSColor*)cr_keyboardFocusIndicatorColor { |
| return [[NSColor keyboardFocusIndicatorColor] |
| colorWithAlphaComponent:0.5 / [self cr_lineWidth]]; |
| } |
| |
| - (void)cr_recursivelySetNeedsDisplay:(BOOL)flag { |
| [self setNeedsDisplay:YES]; |
| for (NSView* child in [self subviews]) |
| [child cr_recursivelySetNeedsDisplay:flag]; |
| } |
| |
| @end |