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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/toolbar/toolbar_button_cocoa.h"
@implementation ToolbarButton
@synthesize handleMiddleClick = handleMiddleClick_;
- (void)otherMouseDown:(NSEvent*)theEvent {
if (![self shouldHandleEvent:theEvent]) {
[super otherMouseDown:theEvent];
return;
}
NSEvent* nextEvent = theEvent;
BOOL isInside;
// Loop until middle button is released. Also, the mouse cursor is outside of
// the button, the button should not be highlighted.
do {
NSPoint mouseLoc = [self convertPoint:[nextEvent locationInWindow]
fromView:nil];
isInside = [self mouse:mouseLoc inRect:[self bounds]];
[self highlight:isInside];
[self setState:isInside ? NSOnState : NSOffState];
NSUInteger mask = NSOtherMouseDraggedMask | NSOtherMouseUpMask;
nextEvent = [[self window] nextEventMatchingMask:mask];
} while (!([nextEvent buttonNumber] == 2 &&
[nextEvent type] == NSOtherMouseUp));
// Discard the events before the middle button up event.
// If we don't discard it, the events will be re-processed later.
[[self window] discardEventsMatchingMask:NSAnyEventMask
beforeEvent:nextEvent];
[self highlight:NO];
[self setState:NSOffState];
if (isInside)
[self sendAction:[self action] to:[self target]];
}
- (BOOL)shouldHandleEvent:(NSEvent*)theEvent {
// |buttonNumber| is the mouse button whose action triggered theEvent.
// 2 corresponds to the middle mouse button.
return handleMiddleClick_ && [theEvent buttonNumber] == 2;
}
@end
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