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// Copyright (c) 2011 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/new_tab_button.h"
#import "chrome/browser/ui/cocoa/image_button_cell.h"
#include "grit/theme_resources.h"
#include "ui/base/resource/resource_bundle.h"
namespace {
NSImage* GetMaskImage() {
ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
return bundle.GetNativeImageNamed(IDR_NEWTAB_BUTTON_MASK).ToNSImage();
}
}
// A simple override of the ImageButtonCell to disable handling of
// -mouseEntered.
@interface NewTabButtonCell : ImageButtonCell
- (void)mouseEntered:(NSEvent*)theEvent;
@end
@implementation NewTabButtonCell
- (void)mouseEntered:(NSEvent*)theEvent {
// Ignore this since the NTB enter is handled by the TabStripController.
}
- (void)drawFocusRingMaskWithFrame:(NSRect)cellFrame inView:(NSView*)view {
// Match the button's shape.
[self drawImage:GetMaskImage() withFrame:cellFrame inView:view];
}
@end
@implementation NewTabButton
+ (Class)cellClass {
return [NewTabButtonCell class];
}
- (BOOL)pointIsOverButton:(NSPoint)point {
NSPoint localPoint = [self convertPoint:point fromView:[self superview]];
NSRect pointRect = NSMakeRect(localPoint.x, localPoint.y, 1, 1);
NSImage* buttonMask = GetMaskImage();
NSRect destinationRect = NSMakeRect(
(NSWidth(self.bounds) - [buttonMask size].width) / 2,
(NSHeight(self.bounds) - [buttonMask size].height) / 2,
[buttonMask size].width, [buttonMask size].height);
return [buttonMask hitTestRect:pointRect
withImageDestinationRect:destinationRect
context:nil
hints:nil
flipped:YES];
}
// Override to only accept clicks within the bounds of the defined path, not
// the entire bounding box. |aPoint| is in the superview's coordinate system.
- (NSView*)hitTest:(NSPoint)aPoint {
if ([self pointIsOverButton:aPoint])
return [super hitTest:aPoint];
return nil;
}
// ThemedWindowDrawing implementation.
- (void)windowDidChangeTheme {
[self setNeedsDisplay:YES];
}
- (void)windowDidChangeActive {
[self setNeedsDisplay:YES];
}
@end
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