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
68
69
70
71
72
73
74
75
|
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/common/input/synthetic_smooth_scroll_gesture.h"
namespace content {
SyntheticSmoothScrollGesture::SyntheticSmoothScrollGesture(
const SyntheticSmoothScrollGestureParams& params)
: SyntheticGestureBase(params) {
CHECK_EQ(SyntheticGestureParams::SMOOTH_SCROLL_GESTURE,
params.GetGestureType());
}
SyntheticSmoothScrollGesture::~SyntheticSmoothScrollGesture() = default;
SyntheticGesture::Result SyntheticSmoothScrollGesture::ForwardInputEvents(
const base::TimeTicks& timestamp,
SyntheticGestureTarget* target) {
DCHECK(dispatching_controller_);
if (!move_gesture_) {
if (!InitializeMoveGesture(params().gesture_source_type, target)) {
return SyntheticGesture::GESTURE_SOURCE_TYPE_NOT_IMPLEMENTED;
}
}
return move_gesture_->ForwardInputEvents(timestamp, target);
}
void SyntheticSmoothScrollGesture::WaitForTargetAck(
base::OnceClosure callback,
SyntheticGestureTarget* target) const {
target->WaitForTargetAck(params().GetGestureType(),
params().gesture_source_type, std::move(callback));
}
SyntheticSmoothMoveGestureParams::InputType
SyntheticSmoothScrollGesture::GetInputSourceType(
content::mojom::GestureSourceType gesture_source_type) {
if (gesture_source_type == content::mojom::GestureSourceType::kMouseInput)
return SyntheticSmoothMoveGestureParams::MOUSE_WHEEL_INPUT;
else
return SyntheticSmoothMoveGestureParams::TOUCH_INPUT;
}
bool SyntheticSmoothScrollGesture::InitializeMoveGesture(
content::mojom::GestureSourceType gesture_type,
SyntheticGestureTarget* target) {
if (gesture_type == content::mojom::GestureSourceType::kDefaultInput)
gesture_type = target->GetDefaultSyntheticGestureSourceType();
if (gesture_type == content::mojom::GestureSourceType::kTouchInput ||
gesture_type == content::mojom::GestureSourceType::kMouseInput) {
SyntheticSmoothMoveGestureParams move_params;
move_params.start_point = params().anchor;
move_params.distances = params().distances;
move_params.speed_in_pixels_s = params().speed_in_pixels_s;
move_params.fling_velocity_x = params().fling_velocity_x;
move_params.fling_velocity_y = params().fling_velocity_y;
move_params.prevent_fling = params().prevent_fling;
move_params.input_type = GetInputSourceType(gesture_type);
move_params.add_slop = true;
move_params.granularity = params().granularity;
move_params.modifiers = params().modifiers;
move_params.vsync_offset_ms = params().vsync_offset_ms;
move_params.input_event_pattern = params().input_event_pattern;
move_params.from_devtools_debugger = params().from_devtools_debugger;
move_gesture_ = std::make_unique<SyntheticSmoothMoveGesture>(move_params);
move_gesture_->DidQueue(dispatching_controller_);
return true;
}
return false;
}
} // namespace content
|
