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// Copyright (c) 2009 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 <Cocoa/Cocoa.h>
#include "chrome/browser/cocoa/test_event_utils.h"
ScopedClassSwizzler::ScopedClassSwizzler(Class target, Class source,
SEL selector) {
old_selector_impl_ = class_getInstanceMethod(target, selector);
new_selector_impl_ = class_getInstanceMethod(source, selector);
method_exchangeImplementations(old_selector_impl_, new_selector_impl_);
}
ScopedClassSwizzler::~ScopedClassSwizzler() {
method_exchangeImplementations(old_selector_impl_, new_selector_impl_);
}
namespace test_event_utils {
NSEvent* MouseEventAtPoint(NSPoint point, NSEventType type,
NSUInteger modifiers) {
if (type == NSOtherMouseUp) {
// To synthesize middle clicks we need to create a CGEvent with the
// "center" button flags so that our resulting NSEvent will have the
// appropriate buttonNumber field. NSEvent provides no way to create a
// mouse event with a buttonNumber directly.
CGPoint location = { point.x, point.y };
CGEventRef cg_event = CGEventCreateMouseEvent(NULL, kCGEventOtherMouseUp,
location,
kCGMouseButtonCenter);
NSEvent* event = [NSEvent eventWithCGEvent:cg_event];
CFRelease(cg_event);
return event;
}
return [NSEvent mouseEventWithType:type
location:point
modifierFlags:modifiers
timestamp:0
windowNumber:0
context:nil
eventNumber:0
clickCount:1
pressure:1.0];
}
NSEvent* MakeMouseEvent(NSEventType type, NSUInteger modifiers) {
return MouseEventAtPoint(NSMakePoint(0, 0), type, modifiers);
}
static NSEvent* MouseEventAtPointInWindow(NSPoint point,
NSEventType type,
NSWindow* window,
NSUInteger clickCount) {
return [NSEvent mouseEventWithType:type
location:point
modifierFlags:0
timestamp:0
windowNumber:[window windowNumber]
context:nil
eventNumber:0
clickCount:clickCount
pressure:1.0];
}
NSEvent* LeftMouseDownAtPointInWindow(NSPoint point, NSWindow* window) {
return MouseEventAtPointInWindow(point, NSLeftMouseDown, window, 1);
}
NSEvent* LeftMouseDownAtPoint(NSPoint point) {
return LeftMouseDownAtPointInWindow(point, nil);
}
std::pair<NSEvent*,NSEvent*> MouseClickInView(NSView* view,
NSUInteger clickCount) {
const NSRect bounds = [view convertRect:[view bounds] toView:nil];
const NSPoint mid_point = NSMakePoint(NSMidX(bounds), NSMidY(bounds));
NSEvent* down = MouseEventAtPointInWindow(mid_point, NSLeftMouseDown,
[view window], clickCount);
NSEvent* up = MouseEventAtPointInWindow(mid_point, NSLeftMouseUp,
[view window], clickCount);
return std::make_pair(down, up);
}
} // namespace test_event_utils
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