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      1 // Copyright (c) 2010 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 CHROME_BROWSER_UI_COCOA_TEST_EVENT_UTILS_H_
      6 #define CHROME_BROWSER_UI_COCOA_TEST_EVENT_UTILS_H_
      7 #pragma once
      8 
      9 #include <utility>
     10 
     11 #import <objc/objc-class.h>
     12 
     13 #include "base/basictypes.h"
     14 
     15 // Within a given scope, replace the selector |selector| on |target| with that
     16 // from |source|.
     17 class ScopedClassSwizzler {
     18  public:
     19   ScopedClassSwizzler(Class target, Class source, SEL selector);
     20   ~ScopedClassSwizzler();
     21 
     22  private:
     23   Method old_selector_impl_;
     24   Method new_selector_impl_;
     25 
     26   DISALLOW_COPY_AND_ASSIGN(ScopedClassSwizzler);
     27 };
     28 
     29 namespace test_event_utils {
     30 
     31 // Create synthetic mouse events for testing. Currently these are very
     32 // basic, flesh out as needed.  Points are all in window coordinates;
     33 // where the window is not specified, coordinate system is undefined
     34 // (but will be repeated when the event is queried).
     35 NSEvent* MakeMouseEvent(NSEventType type, NSUInteger modifiers);
     36 NSEvent* MouseEventAtPoint(NSPoint point, NSEventType type,
     37                            NSUInteger modifiers);
     38 NSEvent* LeftMouseDownAtPoint(NSPoint point);
     39 NSEvent* LeftMouseDownAtPointInWindow(NSPoint point, NSWindow* window);
     40 
     41 // Return a mouse down and an up event with the given |clickCount| at
     42 // |view|'s midpoint.
     43 std::pair<NSEvent*, NSEvent*> MouseClickInView(NSView* view,
     44                                                NSUInteger clickCount);
     45 
     46 }  // namespace test_event_utils
     47 
     48 #endif  // CHROME_BROWSER_UI_COCOA_TEST_EVENT_UTILS_H_
     49