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// Copyright 2023 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/browser/generic_sensor/web_contents_sensor_provider_proxy.h"
#include <algorithm>
#include <utility>
#include <vector>
#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/ptr_util.h"
#include "base/no_destructor.h"
#include "base/notreached.h"
#include "content/browser/generic_sensor/frame_sensor_provider_proxy.h"
#include "content/public/browser/device_service.h"
using device::mojom::SensorCreationResult;
using device::mojom::SensorType;
namespace content {
namespace {
WebContentsSensorProviderProxy::SensorProviderBinder& GetBinderOverride() {
static base::NoDestructor<
WebContentsSensorProviderProxy::SensorProviderBinder>
binder;
return *binder;
}
} // namespace
ScopedVirtualSensorForDevTools::ScopedVirtualSensorForDevTools(
SensorType type,
device::mojom::VirtualSensorMetadataPtr metadata,
WebContentsSensorProviderProxy* web_contents_sensor_provider)
: type_(type), web_contents_sensor_provider_(web_contents_sensor_provider) {
web_contents_sensor_provider_->CreateVirtualSensor(
type_, std::move(metadata),
base::BindOnce([](device::mojom::CreateVirtualSensorResult result) {
switch (result) {
case device::mojom::CreateVirtualSensorResult::
kSensorTypeAlreadyOverridden:
NOTREACHED() << "WebContentsSensorProviderProxy::"
"CreateVirtualSensorForDevTools() should have "
"prevented this result";
case device::mojom::CreateVirtualSensorResult::kSuccess:
break;
}
}));
}
ScopedVirtualSensorForDevTools::~ScopedVirtualSensorForDevTools() {
web_contents_sensor_provider_->RemoveVirtualSensor(type_,
base::NullCallback());
}
void ScopedVirtualSensorForDevTools::GetVirtualSensorInformation(
device::mojom::SensorProvider::GetVirtualSensorInformationCallback
callback) {
web_contents_sensor_provider_->GetVirtualSensorInformation(
type_, std::move(callback));
}
void ScopedVirtualSensorForDevTools::UpdateVirtualSensor(
const device::SensorReading& reading,
device::mojom::SensorProvider::UpdateVirtualSensorCallback callback) {
web_contents_sensor_provider_->UpdateVirtualSensor(type_, reading,
std::move(callback));
}
WebContentsSensorProviderProxy::WebContentsSensorProviderProxy(
WebContents* web_contents)
: WebContentsUserData<WebContentsSensorProviderProxy>(*web_contents) {}
WebContentsSensorProviderProxy::~WebContentsSensorProviderProxy() = default;
// static
WebContentsSensorProviderProxy* WebContentsSensorProviderProxy::GetOrCreate(
WebContents* web_contents) {
WebContentsUserData<WebContentsSensorProviderProxy>::CreateForWebContents(
web_contents);
return WebContentsUserData<WebContentsSensorProviderProxy>::FromWebContents(
web_contents);
}
std::unique_ptr<ScopedVirtualSensorForDevTools>
WebContentsSensorProviderProxy::CreateVirtualSensorForDevTools(
SensorType type,
device::mojom::VirtualSensorMetadataPtr metadata) {
auto did_insert = virtual_sensor_types_for_devtools_.insert(type).second;
if (!did_insert) {
return nullptr;
}
return base::WrapUnique(
new ScopedVirtualSensorForDevTools(type, std::move(metadata), this));
}
// static
void WebContentsSensorProviderProxy::OverrideSensorProviderBinderForTesting(
SensorProviderBinder binder) {
GetBinderOverride() = std::move(binder);
}
void WebContentsSensorProviderProxy::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void WebContentsSensorProviderProxy::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void WebContentsSensorProviderProxy::GetSensor(
SensorType type,
device::mojom::SensorProvider::GetSensorCallback callback) {
EnsureDeviceServiceConnection();
sensor_provider_->GetSensor(type, std::move(callback));
}
void WebContentsSensorProviderProxy::CreateVirtualSensor(
SensorType type,
device::mojom::VirtualSensorMetadataPtr metadata,
device::mojom::SensorProvider::CreateVirtualSensorCallback callback) {
// CHECK that this was called via CreateVirtualSensorForDevTools().
CHECK(base::Contains(virtual_sensor_types_for_devtools_, type));
EnsureDeviceServiceConnection();
sensor_provider_->CreateVirtualSensor(type, std::move(metadata),
std::move(callback));
}
void WebContentsSensorProviderProxy::UpdateVirtualSensor(
SensorType type,
const device::SensorReading& reading,
device::mojom::SensorProvider::UpdateVirtualSensorCallback callback) {
EnsureDeviceServiceConnection();
sensor_provider_->UpdateVirtualSensor(type, reading, std::move(callback));
}
void WebContentsSensorProviderProxy::RemoveVirtualSensor(
SensorType type,
device::mojom::SensorProvider::RemoveVirtualSensorCallback callback) {
virtual_sensor_types_for_devtools_.erase(type);
EnsureDeviceServiceConnection();
sensor_provider_->RemoveVirtualSensor(type, std::move(callback));
}
void WebContentsSensorProviderProxy::GetVirtualSensorInformation(
SensorType type,
device::mojom::SensorProvider::GetVirtualSensorInformationCallback
callback) {
EnsureDeviceServiceConnection();
sensor_provider_->GetVirtualSensorInformation(type, std::move(callback));
}
void WebContentsSensorProviderProxy::OnConnectionError() {
// FrameSensorProviderProxy instances need to be notified first so that the
// corresponding mojo::Receivers are cleared before the mojo::Remotes below.
for (auto& observer : observers_) {
observer.OnMojoConnectionError();
}
sensor_provider_.reset();
}
void WebContentsSensorProviderProxy::EnsureDeviceServiceConnection() {
if (sensor_provider_) {
return;
}
auto receiver = sensor_provider_.BindNewPipeAndPassReceiver();
sensor_provider_.set_disconnect_handler(
base::BindOnce(&WebContentsSensorProviderProxy::OnConnectionError,
base::Unretained(this)));
const auto& binder = GetBinderOverride();
if (binder) {
binder.Run(std::move(receiver));
} else {
GetDeviceService().BindSensorProvider(std::move(receiver));
}
}
WEB_CONTENTS_USER_DATA_KEY_IMPL(WebContentsSensorProviderProxy);
} // namespace content
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