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// 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 "third_party/blink/renderer/modules/ai/rewriter.h"
#include "base/metrics/metrics_hashes.h"
#include "third_party/blink/public/mojom/ai/model_streaming_responder.mojom-blink.h"
#include "third_party/blink/renderer/modules/ai/ai_metrics.h"
#include "third_party/blink/renderer/modules/ai/ai_writing_assistance_create_client.h"
namespace blink {
using RewriterBase =
AIWritingAssistanceBase<Rewriter,
mojom::blink::AIRewriter,
mojom::blink::AIManagerCreateRewriterClient,
RewriterCreateCoreOptions,
RewriterCreateOptions,
RewriterRewriteOptions>;
template <>
void AIWritingAssistanceCreateClient<
mojom::blink::AIRewriter,
mojom::blink::AIManagerCreateRewriterClient,
RewriterCreateOptions,
Rewriter>::
RemoteCreate(
mojo::PendingRemote<mojom::blink::AIManagerCreateRewriterClient>
client_remote) {
HeapMojoRemote<mojom::blink::AIManager>& ai_manager_remote =
AIInterfaceProxy::GetAIManagerRemote(GetExecutionContext());
ai_manager_remote->CreateRewriter(std::move(client_remote),
ToMojoRewriterCreateOptions(options_));
}
// static
template <>
AIMetrics::AISessionType RewriterBase::GetSessionType() {
return AIMetrics::AISessionType::kRewriter;
}
// static
template <>
network::mojom::PermissionsPolicyFeature RewriterBase::GetPermissionsPolicy() {
return network::mojom::PermissionsPolicyFeature::kRewriter;
}
// static
template <>
void RewriterBase::RemoteCanCreate(
HeapMojoRemote<mojom::blink::AIManager>& ai_manager_remote,
RewriterCreateCoreOptions* options,
CanCreateCallback callback) {
ai_manager_remote->CanCreateRewriter(ToMojoRewriterCreateOptions(options),
std::move(callback));
}
// static
template <>
void RewriterBase::RecordCreateOptionMetrics(
const RewriterCreateCoreOptions& options,
std::string function_name) {
WritingAssistanceMetricsOptionTone tone_metric;
WritingAssistanceMetricsOptionFormat format_metric;
WritingAssistanceMetricsOptionLength length_metric;
switch (options.tone().AsEnum()) {
case V8RewriterTone::Enum::kAsIs:
tone_metric = WritingAssistanceMetricsOptionTone::kAsIs;
break;
case V8RewriterTone::Enum::kMoreFormal:
tone_metric = WritingAssistanceMetricsOptionTone::kMoreFormal;
break;
case V8RewriterTone::Enum::kMoreCasual:
tone_metric = WritingAssistanceMetricsOptionTone::kMoreCasual;
break;
}
switch (options.format().AsEnum()) {
case V8RewriterFormat::Enum::kAsIs:
format_metric = WritingAssistanceMetricsOptionFormat::kAsIs;
break;
case V8RewriterFormat::Enum::kPlainText:
format_metric = WritingAssistanceMetricsOptionFormat::kPlainText;
break;
case V8RewriterFormat::Enum::kMarkdown:
format_metric = WritingAssistanceMetricsOptionFormat::kMarkdown;
break;
}
switch (options.length().AsEnum()) {
case V8RewriterLength::Enum::kAsIs:
length_metric = WritingAssistanceMetricsOptionLength::kAsIs;
break;
case V8RewriterLength::Enum::kShorter:
length_metric = WritingAssistanceMetricsOptionLength::kShorter;
break;
case V8RewriterLength::Enum::kLonger:
length_metric = WritingAssistanceMetricsOptionLength::kLonger;
break;
}
std::string metric_name =
AIMetrics::GetAIAPIUsageMetricName(RewriterBase::GetSessionType());
base::UmaHistogramEnumeration(
base::StrCat({metric_name, ".", function_name, ".CoreOptionTone"}),
tone_metric);
base::UmaHistogramEnumeration(
base::StrCat({metric_name, ".", function_name, ".CoreOptionFormat"}),
format_metric);
base::UmaHistogramEnumeration(
base::StrCat({metric_name, ".", function_name, ".CoreOptionLength"}),
length_metric);
// expectedContextLanguages and expectedInputLanguages and outputLanguage
// should be canonicalized. See ValidateAndCanonicalizeBCP47Language.
if (options.hasExpectedContextLanguages()) {
for (const auto& lang : options.expectedContextLanguages()) {
base::UmaHistogramSparse(base::StrCat({metric_name, ".", function_name,
".ExpectedContextLanguage"}),
static_cast<base::HistogramBase::Sample32>(
base::HashMetricName(lang.Ascii())));
}
}
if (options.hasExpectedInputLanguages()) {
for (const auto& lang : options.expectedInputLanguages()) {
base::UmaHistogramSparse(base::StrCat({metric_name, ".", function_name,
".ExpectedInputLanguage"}),
static_cast<base::HistogramBase::Sample32>(
base::HashMetricName(lang.Ascii())));
}
}
if (options.hasOutputLanguage()) {
base::UmaHistogramSparse(
base::StrCat({metric_name, ".", function_name, ".OutputLanguage"}),
static_cast<base::HistogramBase::Sample32>(
base::HashMetricName(options.outputLanguage().Ascii())));
}
}
Rewriter::Rewriter(ExecutionContext* execution_context,
scoped_refptr<base::SequencedTaskRunner> task_runner,
mojo::PendingRemote<mojom::blink::AIRewriter> pending_remote,
RewriterCreateOptions* options)
: AIWritingAssistanceBase<Rewriter,
mojom::blink::AIRewriter,
mojom::blink::AIManagerCreateRewriterClient,
RewriterCreateCoreOptions,
RewriterCreateOptions,
RewriterRewriteOptions>(
execution_context,
task_runner,
std::move(pending_remote),
std::move(options),
/*echo_whitespace_input=*/true) {}
void Rewriter::Trace(Visitor* visitor) const {
ScriptWrappable::Trace(visitor);
AIWritingAssistanceBase::Trace(visitor);
}
void Rewriter::remoteExecute(
const String& input,
const String& context,
mojo::PendingRemote<blink::mojom::blink::ModelStreamingResponder>
responder) {
remote_->Rewrite(input, context, std::move(responder));
}
ScriptPromise<IDLString> Rewriter::rewrite(
ScriptState* script_state,
const String& writing_task,
const RewriterRewriteOptions* options,
ExceptionState& exception_state) {
return AIWritingAssistanceBase::execute(script_state, writing_task, options,
exception_state,
AIMetrics::AIAPI::kRewriterRewrite);
}
ReadableStream* Rewriter::rewriteStreaming(
ScriptState* script_state,
const String& writing_task,
const RewriterRewriteOptions* options,
ExceptionState& exception_state) {
return AIWritingAssistanceBase::executeStreaming(
script_state, writing_task, options, exception_state,
AIMetrics::AIAPI::kRewriterRewriteStreaming);
}
ScriptPromise<IDLDouble> Rewriter::measureInputUsage(
ScriptState* script_state,
const String& writing_task,
const RewriterRewriteOptions* options,
ExceptionState& exception_state) {
return AIWritingAssistanceBase::measureInputUsage(script_state, writing_task,
options, exception_state);
}
void Rewriter::destroy(ScriptState* script_state,
ExceptionState& exception_state) {
AIWritingAssistanceBase::destroy(script_state, exception_state);
}
} // namespace blink
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