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- // Copyright (c) 2012 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_MOUSE_CURSOR_EVENT_FILTER_H_
- #define ASH_DISPLAY_MOUSE_CURSOR_EVENT_FILTER_H_
- #include <memory>
- #include "ash/ash_export.h"
- #include "ash/display/window_tree_host_manager.h"
- #include "base/compiler_specific.h"
- #include "base/gtest_prod_util.h"
- #include "ui/events/event_handler.h"
- #include "ui/gfx/geometry/rect.h"
- namespace aura {
- class Window;
- }
- namespace ash {
- class MouseWarpController;
- // An event filter that controls mouse location in extended desktop
- // environment.
- class ASH_EXPORT MouseCursorEventFilter
- : public ui::EventHandler,
- public WindowTreeHostManager::Observer {
- public:
- MouseCursorEventFilter();
- MouseCursorEventFilter(const MouseCursorEventFilter&) = delete;
- MouseCursorEventFilter& operator=(const MouseCursorEventFilter&) = delete;
- ~MouseCursorEventFilter() override;
- bool mouse_warp_enabled() const { return mouse_warp_enabled_; }
- void set_mouse_warp_enabled(bool enabled) { mouse_warp_enabled_ = enabled; }
- // Shows/Hide the indicator for window dragging. The |from|
- // is the window where the dragging started.
- void ShowSharedEdgeIndicator(aura::Window* from);
- void HideSharedEdgeIndicator();
- // WindowTreeHostManager::Observer:
- void OnDisplaysInitialized() override;
- void OnDisplayConfigurationChanged() override;
- // ui::EventHandler:
- void OnMouseEvent(ui::MouseEvent* event) override;
- private:
- friend class AshTestBase;
- friend class ExtendedMouseWarpControllerTest;
- friend class MouseCursorEventFilterTest;
- friend class UnifiedMouseWarpControllerTest;
- FRIEND_TEST_ALL_PREFIXES(MouseCursorEventFilterTest, DoNotWarpTwice);
- FRIEND_TEST_ALL_PREFIXES(MouseCursorEventFilterTest, SetMouseWarpModeFlag);
- FRIEND_TEST_ALL_PREFIXES(MouseCursorEventFilterTest,
- WarpMouseDifferentScaleDisplaysInNative);
- FRIEND_TEST_ALL_PREFIXES(DragWindowResizerTest, WarpMousePointer);
- MouseWarpController* mouse_warp_controller_for_test() {
- return mouse_warp_controller_.get();
- }
- bool mouse_warp_enabled_;
- std::unique_ptr<MouseWarpController> mouse_warp_controller_;
- };
- } // namespace ash
- #endif // ASH_DISPLAY_MOUSE_CURSOR_EVENT_FILTER_H_
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