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// Copyright 2022 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/xr/service/xr_permission_results.h"
#include <optional>
#include "base/containers/contains.h"
#include "device/vr/public/mojom/xr_session.mojom-shared.h"
#include "third_party/blink/public/common/permissions/permission_utils.h"
namespace {
// Helper, creates a map from permission type to its permission status based
// on |permissions| and |permission_statuses|. Those 2 vectors must have equal
// length, and the permission status for permission at `permissions[i]` is
// assumed to be in `permission_statuses[i]`.
base::flat_map<blink::PermissionType, blink::mojom::PermissionStatus>
CreatePermissionTypeToStatusMap(
const std::vector<blink::PermissionType>& permissions,
const std::vector<blink::mojom::PermissionStatus>& permission_statuses) {
DCHECK_EQ(permissions.size(), permission_statuses.size());
base::flat_map<blink::PermissionType, blink::mojom::PermissionStatus> result;
for (size_t i = 0; i < permissions.size(); ++i) {
result[permissions[i]] = permission_statuses[i];
}
return result;
}
} // namespace
namespace content {
XrPermissionResults::XrPermissionResults(
const std::vector<blink::PermissionType>& permission_types,
const std::vector<blink::mojom::PermissionStatus>& permission_statuses)
: permission_type_to_status_(
CreatePermissionTypeToStatusMap(permission_types,
permission_statuses)) {}
XrPermissionResults::~XrPermissionResults() = default;
bool XrPermissionResults::HasPermissionsFor(
device::mojom::XRSessionMode mode) const {
auto mode_permission = GetPermissionFor(mode);
if (!mode_permission) {
return true;
}
return HasPermissionsFor(*mode_permission);
}
bool XrPermissionResults::HasPermissionsFor(
device::mojom::XRSessionFeature feature) const {
auto feature_permission = GetPermissionFor(feature);
if (!feature_permission) {
return true;
}
return HasPermissionsFor(*feature_permission);
}
bool XrPermissionResults::HasPermissionsFor(
blink::PermissionType permission_type) const {
if (!base::Contains(permission_type_to_status_, permission_type)) {
return false;
}
return permission_type_to_status_.at(permission_type) ==
blink::mojom::PermissionStatus::GRANTED;
}
// static
std::optional<blink::PermissionType> XrPermissionResults::GetPermissionFor(
device::mojom::XRSessionMode mode) {
switch (mode) {
case device::mojom::XRSessionMode::kInline:
return blink::PermissionType::SENSORS;
case device::mojom::XRSessionMode::kImmersiveVr:
return blink::PermissionType::VR;
case device::mojom::XRSessionMode::kImmersiveAr:
return blink::PermissionType::AR;
}
}
// static
std::optional<blink::PermissionType> XrPermissionResults::GetPermissionFor(
device::mojom::XRSessionFeature feature) {
if (feature == device::mojom::XRSessionFeature::CAMERA_ACCESS) {
return blink::PermissionType::VIDEO_CAPTURE;
}
if (feature == device::mojom::XRSessionFeature::HAND_INPUT) {
return blink::PermissionType::HAND_TRACKING;
}
return std::nullopt;
}
} // namespace content
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