File: event_injector.cc

package info (click to toggle)
chromium 139.0.7258.127-2
  • links: PTS, VCS
  • area: main
  • in suites: forky
  • size: 6,122,156 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (38 lines) | stat: -rw-r--r-- 1,113 bytes parent folder | download | duplicates (9) 
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
 
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/aura/event_injector.h"

#include <utility>

#include "ui/aura/window.h"
#include "ui/aura/window_tree_host.h"
#include "ui/events/event.h"
#include "ui/events/event_sink.h"
#include "ui/gfx/geometry/transform.h"

namespace aura {

EventInjector::EventInjector() = default;

EventInjector::~EventInjector() = default;

ui::EventDispatchDetails EventInjector::Inject(WindowTreeHost* host,
                                               ui::Event* event) {
  DCHECK(host);
  DCHECK(event);

  if (event->IsLocatedEvent()) {
    ui::LocatedEvent* located_event = event->AsLocatedEvent();
    // Transforming the coordinate to the root will apply the screen scale
    // factor to the event's location and also the screen rotation degree.
    located_event->UpdateForRootTransform(
        host->GetRootTransform(),
        host->GetRootTransformForLocalEventCoordinates());
  }

  return host->GetEventSink()->OnEventFromSource(event);
}

}  // namespace aura