blob: 2efb75ac9ed25b1b27983828d42f37dd0a083516 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
// 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.
#include "ash/display/mouse_cursor_event_filter.h"
#include <cmath>
#include "ash/display/cursor_window_controller.h"
#include "ash/display/display_manager.h"
#include "ash/display/mouse_warp_controller.h"
#include "ash/shell.h"
#include "ui/events/event.h"
namespace ash {
MouseCursorEventFilter::MouseCursorEventFilter() : mouse_warp_enabled_(true) {
Shell::GetInstance()->window_tree_host_manager()->AddObserver(this);
}
MouseCursorEventFilter::~MouseCursorEventFilter() {
Shell::GetInstance()->window_tree_host_manager()->RemoveObserver(this);
}
void MouseCursorEventFilter::ShowSharedEdgeIndicator(aura::Window* from) {
mouse_warp_controller_ =
Shell::GetInstance()->display_manager()->CreateMouseWarpController(from);
}
void MouseCursorEventFilter::HideSharedEdgeIndicator() {
OnDisplayConfigurationChanged();
}
void MouseCursorEventFilter::OnDisplaysInitialized() {
OnDisplayConfigurationChanged();
}
void MouseCursorEventFilter::OnDisplayConfigurationChanged() {
mouse_warp_controller_ =
Shell::GetInstance()->display_manager()->CreateMouseWarpController(
nullptr);
}
void MouseCursorEventFilter::OnMouseEvent(ui::MouseEvent* event) {
// Don't warp due to synthesized event.
if (event->flags() & ui::EF_IS_SYNTHESIZED)
return;
// Handle both MOVED and DRAGGED events here because when the mouse pointer
// enters the other root window while dragging, the underlying window system
// (at least X11) stops generating a ui::ET_MOUSE_MOVED event.
if (event->type() != ui::ET_MOUSE_MOVED &&
event->type() != ui::ET_MOUSE_DRAGGED) {
return;
}
Shell::GetInstance()
->window_tree_host_manager()
->cursor_window_controller()
->UpdateLocation();
mouse_warp_controller_->SetEnabled(mouse_warp_enabled_);
if (mouse_warp_controller_->WarpMouseCursor(event))
event->StopPropagation();
}
} // namespace ash
|
