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// Copyright 2015 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/presentation/presentation_connection_callbacks.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_throw_dom_exception.h"
#include "third_party/blink/renderer/modules/presentation/presentation_connection.h"
#include "third_party/blink/renderer/modules/presentation/presentation_error.h"
#include "third_party/blink/renderer/modules/presentation/presentation_request.h"
#if BUILDFLAG(IS_ANDROID)
#include "third_party/blink/renderer/modules/presentation/presentation_metrics.h"
#endif
namespace blink {
PresentationConnectionCallbacks::PresentationConnectionCallbacks(
ScriptPromiseResolver<PresentationConnection>* resolver,
PresentationRequest* request)
: resolver_(resolver), request_(request), connection_(nullptr) {
DCHECK(resolver_);
DCHECK(request_);
}
PresentationConnectionCallbacks::PresentationConnectionCallbacks(
ScriptPromiseResolver<PresentationConnection>* resolver,
ControllerPresentationConnection* connection)
: resolver_(resolver), request_(nullptr), connection_(connection) {
DCHECK(resolver_);
DCHECK(connection_);
}
void PresentationConnectionCallbacks::HandlePresentationResponse(
mojom::blink::PresentationConnectionResultPtr result,
mojom::blink::PresentationErrorPtr error) {
DCHECK(resolver_);
ScriptState* const script_state = resolver_->GetScriptState();
if (!IsInParallelAlgorithmRunnable(resolver_->GetExecutionContext(),
script_state)) {
return;
}
ScriptState::Scope script_state_scope(script_state);
if (result) {
DCHECK(result->connection_remote);
DCHECK(result->connection_receiver);
OnSuccess(*result->presentation_info, std::move(result->connection_remote),
std::move(result->connection_receiver));
} else {
OnError(*error);
}
}
void PresentationConnectionCallbacks::OnSuccess(
const mojom::blink::PresentationInfo& presentation_info,
mojo::PendingRemote<mojom::blink::PresentationConnection> connection_remote,
mojo::PendingReceiver<mojom::blink::PresentationConnection>
connection_receiver) {
// Reconnect to existing connection.
if (connection_ && connection_->GetState() ==
mojom::blink::PresentationConnectionState::CLOSED) {
connection_->DidChangeState(
mojom::blink::PresentationConnectionState::CONNECTING);
}
// Create a new connection.
if (!connection_ && request_) {
connection_ = ControllerPresentationConnection::Create(
resolver_->GetExecutionContext(), presentation_info, request_);
}
connection_->Init(std::move(connection_remote),
std::move(connection_receiver));
#if BUILDFLAG(IS_ANDROID)
PresentationMetrics::RecordPresentationConnectionResult(request_, true);
#endif
resolver_->Resolve(connection_);
}
void PresentationConnectionCallbacks::OnError(
const mojom::blink::PresentationError& error) {
#if BUILDFLAG(IS_ANDROID)
// These two error types are not recorded because it's likely that they don't
// represent an actual error.
if (error.error_type !=
mojom::blink::PresentationErrorType::PRESENTATION_REQUEST_CANCELLED &&
error.error_type !=
mojom::blink::PresentationErrorType::NO_PRESENTATION_FOUND) {
PresentationMetrics::RecordPresentationConnectionResult(request_, false);
}
#endif
resolver_->Reject(CreatePresentationError(
resolver_->GetScriptState()->GetIsolate(), error));
connection_ = nullptr;
}
} // namespace blink
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