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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 "third_party/blink/renderer/modules/mediastream/sub_capture_target.h"
#include "build/build_config.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/navigator.h"
#include "third_party/blink/renderer/modules/mediastream/media_devices.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
namespace blink {
MediaDevices* SubCaptureTarget::GetMediaDevices(
ScriptState* script_state,
Element* element,
ExceptionState& exception_state) {
DCHECK(IsMainThread());
if (!script_state || !script_state->ContextIsValid()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidStateError,
"Invalid state.");
return nullptr;
}
if (!element) {
exception_state.ThrowDOMException(DOMExceptionCode::kNotSupportedError,
"Invalid state.");
return nullptr;
}
ExecutionContext* const context = ExecutionContext::From(script_state);
if (!context || !context->IsWindow() || context->IsContextDestroyed() ||
element->GetExecutionContext() != context) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidStateError,
"Invalid state.");
return nullptr;
}
LocalDOMWindow* const window = To<LocalDOMWindow>(context);
if (!window || !window->GetFrame() || !window->IsSecureContext()) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidStateError,
"Invalid state.");
return nullptr;
}
Navigator* const navigator = window->navigator();
if (!navigator) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidStateError,
"Invalid state.");
return nullptr;
}
MediaDevices* const media_devices = MediaDevices::mediaDevices(*navigator);
if (!media_devices) {
exception_state.ThrowDOMException(DOMExceptionCode::kInvalidStateError,
"Invalid state.");
return nullptr;
}
return media_devices;
}
SubCaptureTarget::SubCaptureTarget(Type type, String id)
: type_(type), id_(std::move(id)) {
CHECK(!id_.empty());
}
} // namespace blink
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