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// Copyright 2015 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 ASH_DISPLAY_EXTENDED_MOUSE_WARP_CONTROLLER_H
#define ASH_DISPLAY_EXTENDED_MOUSE_WARP_CONTROLLER_H
#include "ash/display/mouse_warp_controller.h"
#include "base/gtest_prod_util.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "ui/gfx/geometry/rect.h"
namespace aura {
class Window;
}
namespace gfx {
class Point;
}
namespace ash {
namespace test {
class DisplayManagerTestApi;
}
class SharedDisplayEdgeIndicator;
// A MouseWarpController used in extended display mode.
class ASH_EXPORT ExtendedMouseWarpController : public MouseWarpController {
public:
explicit ExtendedMouseWarpController(aura::Window* drag_source);
~ExtendedMouseWarpController() override;
// MouseWarpController:
bool WarpMouseCursor(ui::MouseEvent* event) override;
void SetEnabled(bool enable) override;
private:
friend class test::DisplayManagerTestApi;
FRIEND_TEST_ALL_PREFIXES(ExtendedMouseWarpControllerTest,
IndicatorBoundsTestOnRight);
FRIEND_TEST_ALL_PREFIXES(ExtendedMouseWarpControllerTest,
IndicatorBoundsTestOnLeft);
FRIEND_TEST_ALL_PREFIXES(ExtendedMouseWarpControllerTest,
IndicatorBoundsTestOnTopBottom);
// Warps the mouse cursor to an alternate root window when the
// mouse location in |event|, hits the edge of the event target's root and
// the mouse cursor is considered to be in an alternate display.
// If |update_mouse_location_now| is true,
// Returns true if/ the cursor was moved.
bool WarpMouseCursorInNativeCoords(const gfx::Point& point_in_native,
const gfx::Point& point_in_screen,
bool update_mouse_location_now);
// Update the edge/indicator bounds based on the current
// display configuration.
void UpdateHorizontalEdgeBounds();
void UpdateVerticalEdgeBounds();
// Returns the source and destination window. When |src_window| is
// |drag_soruce_root_| when it is set. Otherwise, the |src_window|
// is always the primary root window, because there is no difference
// between moving src to dst and moving dst to src.
void GetSrcAndDstRootWindows(aura::Window** src_window,
aura::Window** dst_window);
void allow_non_native_event_for_test() { allow_non_native_event_ = true; }
// The bounds for warp hole windows. |dst_indicator_bounds_| is kept
// in the instance for testing.
gfx::Rect src_indicator_bounds_;
gfx::Rect dst_indicator_bounds_;
gfx::Rect src_edge_bounds_in_native_;
gfx::Rect dst_edge_bounds_in_native_;
// The root window in which the dragging started.
aura::Window* drag_source_root_;
bool enabled_;
// Shows the area where a window can be dragged in to/out from
// another display.
scoped_ptr<SharedDisplayEdgeIndicator> shared_display_edge_indicator_;
bool allow_non_native_event_;
DISALLOW_COPY_AND_ASSIGN(ExtendedMouseWarpController);
};
} // namespace ash
#endif // ASH_DISPLAY_EXTENDED_MOUSE_WARP_CONTROLLER_H
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