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base / android / scoped_input_event.cc [blame]
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/android/scoped_input_event.h"
#include "base/android/build_info.h"
#include "base/check.h"
#include "base/notreached.h"
namespace base::android {
// The class calls AInputEvent_release which was added only in Android S(31).
#ifndef SCOPED_INPUT_EVENT_MIN_API
#define SCOPED_INPUT_EVENT_MIN_API 31
#endif
ScopedInputEvent::ScopedInputEvent(const AInputEvent* event) {
CHECK(base::android::BuildInfo::GetInstance()->sdk_int() >=
SCOPED_INPUT_EVENT_MIN_API);
CHECK(event);
a_input_event_ = event;
}
ScopedInputEvent::~ScopedInputEvent() {
DestroyIfNeeded();
}
ScopedInputEvent::ScopedInputEvent(ScopedInputEvent&& other)
: a_input_event_(other.a_input_event_) {
other.a_input_event_ = nullptr;
}
ScopedInputEvent& ScopedInputEvent::operator=(ScopedInputEvent&& other) {
if (this != &other) {
DestroyIfNeeded();
a_input_event_ = other.a_input_event_;
other.a_input_event_ = nullptr;
}
return *this;
}
void ScopedInputEvent::DestroyIfNeeded() {
if (a_input_event_ == nullptr) {
return;
}
// If check to suppress the compiler warning.
if (__builtin_available(android SCOPED_INPUT_EVENT_MIN_API, *)) {
AInputEvent_release(a_input_event_);
a_input_event_ = nullptr;
return;
}
NOTREACHED();
}
} // namespace base::android