File: synthetic_gesture_target_aura.h

package info (click to toggle)
chromium 120.0.6099.224-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 6,112,112 kB
  • sloc: cpp: 32,907,025; ansic: 8,148,123; javascript: 3,679,536; python: 2,031,248; asm: 959,718; java: 804,675; xml: 617,256; sh: 111,417; objc: 100,835; perl: 88,443; cs: 53,032; makefile: 29,579; fortran: 24,137; php: 21,162; tcl: 21,147; sql: 20,809; ruby: 17,735; pascal: 12,864; yacc: 8,045; lisp: 3,388; lex: 1,323; ada: 727; awk: 329; jsp: 267; csh: 117; exp: 43; sed: 37
file content (71 lines) | stat: -rw-r--r-- 2,546 bytes parent folder | download | duplicates (2)
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
// 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.

#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_GESTURE_TARGET_AURA_H_
#define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_GESTURE_TARGET_AURA_H_

#include "content/browser/renderer_host/input/synthetic_gesture_target_base.h"
#include "content/browser/renderer_host/render_widget_host_view_aura.h"
#include "content/common/input/synthetic_gesture_params.h"
#include "ui/aura/event_injector.h"

namespace aura {
class Window;
}  // namespace aura

namespace content {

// SyntheticGestureTarget implementation for aura
class SyntheticGestureTargetAura : public SyntheticGestureTargetBase {
 public:
  explicit SyntheticGestureTargetAura(RenderWidgetHostImpl* host);

  SyntheticGestureTargetAura(const SyntheticGestureTargetAura&) = delete;
  SyntheticGestureTargetAura& operator=(const SyntheticGestureTargetAura&) =
      delete;

  // SyntheticGestureTargetBase:
  void DispatchWebTouchEventToPlatform(
      const blink::WebTouchEvent& web_touch,
      const ui::LatencyInfo& latency_info) override;
  void DispatchWebMouseWheelEventToPlatform(
      const blink::WebMouseWheelEvent& web_wheel,
      const ui::LatencyInfo& latency_info) override;
  void DispatchWebGestureEventToPlatform(
      const blink::WebGestureEvent& web_gesture,
      const ui::LatencyInfo& latency_info) override;
  void DispatchWebMouseEventToPlatform(
      const blink::WebMouseEvent& web_mouse,
      const ui::LatencyInfo& latency_info) override;

  // SyntheticGestureTarget:
  content::mojom::GestureSourceType GetDefaultSyntheticGestureSourceType()
      const override;

  float GetTouchSlopInDips() const override;

  float GetSpanSlopInDips() const override;

  float GetMinScalingSpanInDips() const override;

 private:
  RenderWidgetHostViewAura* GetView() const;
  aura::Window* GetWindow() const;

  // Synthetic located event's location and touch event's radius are in DIP and
  // aura event dispatcher assumes input event is in device pixel and will apply
  // device scale factor to convert the input to DIP. So we need to use
  // device_scale_factor to convert the input event from DIP to device pixel
  // before dispatching it into platform.
  float device_scale_factor_;

  float wheel_precision_x_ = 0.f;
  float wheel_precision_y_ = 0.f;

  aura::EventInjector event_injector_;
};

}  // namespace content

#endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_GESTURE_TARGET_AURA_H_