MacViews: Add WidgetEventGenerator to abstract platform-specific event generation for tests.

ui/views/test/widget_event_generator_mac.h

+// Copyright 2014 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.
+
+#ifndef UI_VIEWS_TEST_WIDGET_EVENT_GENERATOR_MAC_H_
+#define UI_VIEWS_TEST_WIDGET_EVENT_GENERATOR_MAC_H_
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "ui/gfx/geometry/point.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace base {
+class TimeDelta;
+}
+
+namespace views {
+namespace test {
+
+// Encapsulates event generation for an NSWindow. Implements the parts of the
+// interface provided by aura::test::EventGenerator that are used for cross-
+// platform toolkit-views tests. Only a single window is supported.
+class WidgetEventGeneratorMac {

[Robert Sesek, 2014/06/18 16:43:02]

Could this be made an interface implemented by both Mac and Aura? That may make
it more clear why you have this collection of methods.

[tapted, 2014/06/19 11:23:21]

Done.

I've just moved out the bits shared so far, rather than try to predict how it
will be used outside the aura context.

+ public:
+  explicit WidgetEventGeneratorMac(gfx::NativeWindow ns_window);
+  ~WidgetEventGeneratorMac();
+
+  void set_current_location(const gfx::Point& location) {
+    current_location_ = location;
+  }
+  const gfx::Point& current_location() const { return current_location_; }
+
+  int flags() const { return flags_; }
+
+  void PressLeftButton();
+  void ReleaseLeftButton();
+  void ClickLeftButton();
+  void PressRightButton();
+  void ReleaseRightButton();
+
+  void GestureTapAt(const gfx::Point& point);
+  void GestureScrollSequence(const gfx::Point& start,
+                             const gfx::Point& end,
+                             const base::TimeDelta& duration,
+                             int steps);
+  void GestureMultiFingerScroll(int count,
+                                const gfx::Point start[],
+                                int event_separation_time_ms,
+                                int steps,
+                                int move_x,
+                                int move_y);
+
+  void MoveMouseTo(const gfx::Point& point_in_screen, int count);
+  void MoveMouseTo(const gfx::Point& point_in_screen) {
+    MoveMouseTo(point_in_screen, 1);
+  }
+  void MoveMouseTo(int x, int y) {
+    MoveMouseTo(gfx::Point(x, y));
+  }
+  void DragMouseTo(const gfx::Point& point);
+
+ private:
+  class Impl;
+
+  void PressButton(int flag);
+  void ReleaseButton(int flag);
+
+  // Platform specific things.
+  scoped_ptr<Impl> impl_;
+
+  gfx::Point current_location_;
+  gfx::NativeWindow ns_window_;
+  int flags_;
+
+  DISALLOW_COPY_AND_ASSIGN(WidgetEventGeneratorMac);
+};
+
+}  // namespace test
+}  // namespace views
+
+#endif  // UI_VIEWS_TEST_WIDGET_EVENT_GENERATOR_MAC_H_