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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/summarizer.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 SummarizerBase =
AIWritingAssistanceBase<Summarizer,
mojom::blink::AISummarizer,
mojom::blink::AIManagerCreateSummarizerClient,
SummarizerCreateCoreOptions,
SummarizerCreateOptions,
SummarizerSummarizeOptions>;
template <>
void AIWritingAssistanceCreateClient<
mojom::blink::AISummarizer,
mojom::blink::AIManagerCreateSummarizerClient,
SummarizerCreateOptions,
Summarizer>::
RemoteCreate(
mojo::PendingRemote<mojom::blink::AIManagerCreateSummarizerClient>
client_remote) {
HeapMojoRemote<mojom::blink::AIManager>& ai_manager_remote =
AIInterfaceProxy::GetAIManagerRemote(GetExecutionContext());
ai_manager_remote->CreateSummarizer(std::move(client_remote),
ToMojoSummarizerCreateOptions(options_));
}
// static
template <>
AIMetrics::AISessionType SummarizerBase::GetSessionType() {
return AIMetrics::AISessionType::kSummarizer;
}
// static
template <>
network::mojom::PermissionsPolicyFeature
SummarizerBase::GetPermissionsPolicy() {
return network::mojom::PermissionsPolicyFeature::kSummarizer;
}
// static
template <>
void SummarizerBase::RemoteCanCreate(
HeapMojoRemote<mojom::blink::AIManager>& ai_manager_remote,
SummarizerCreateCoreOptions* options,
CanCreateCallback callback) {
ai_manager_remote->CanCreateSummarizer(ToMojoSummarizerCreateOptions(options),
std::move(callback));
}
// static
template <>
void SummarizerBase::RecordCreateOptionMetrics(
const SummarizerCreateCoreOptions& options,
std::string function_name) {
WritingAssistanceMetricsOptionType type_metric;
WritingAssistanceMetricsOptionFormat format_metric;
WritingAssistanceMetricsOptionLength length_metric;
switch (options.type().AsEnum()) {
case V8SummarizerType::Enum::kTldr:
type_metric = WritingAssistanceMetricsOptionType::kTldr;
break;
case V8SummarizerType::Enum::kKeyPoints:
type_metric = WritingAssistanceMetricsOptionType::kKeyPoints;
break;
case V8SummarizerType::Enum::kTeaser:
type_metric = WritingAssistanceMetricsOptionType::kTeaser;
break;
case V8SummarizerType::Enum::kHeadline:
type_metric = WritingAssistanceMetricsOptionType::kHeadline;
break;
}
switch (options.format().AsEnum()) {
case V8SummarizerFormat::Enum::kPlainText:
format_metric = WritingAssistanceMetricsOptionFormat::kPlainText;
break;
case V8SummarizerFormat::Enum::kMarkdown:
format_metric = WritingAssistanceMetricsOptionFormat::kMarkdown;
break;
}
switch (options.length().AsEnum()) {
case V8SummarizerLength::Enum::kShort:
length_metric = WritingAssistanceMetricsOptionLength::kShort;
break;
case V8SummarizerLength::Enum::kMedium:
length_metric = WritingAssistanceMetricsOptionLength::kMedium;
break;
case V8SummarizerLength::Enum::kLong:
length_metric = WritingAssistanceMetricsOptionLength::kLong;
break;
}
std::string metric_name =
AIMetrics::GetAIAPIUsageMetricName(SummarizerBase::GetSessionType());
base::UmaHistogramEnumeration(
base::StrCat({metric_name, ".", function_name, ".CoreOptionType"}),
type_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())));
}
}
Summarizer::Summarizer(
ExecutionContext* execution_context,
scoped_refptr<base::SequencedTaskRunner> task_runner,
mojo::PendingRemote<mojom::blink::AISummarizer> pending_remote,
SummarizerCreateOptions* options)
: AIWritingAssistanceBase<Summarizer,
mojom::blink::AISummarizer,
mojom::blink::AIManagerCreateSummarizerClient,
SummarizerCreateCoreOptions,
SummarizerCreateOptions,
SummarizerSummarizeOptions>(
execution_context,
task_runner,
std::move(pending_remote),
std::move(options),
/*echo_whitespace_input=*/false) {}
void Summarizer::Trace(Visitor* visitor) const {
ScriptWrappable::Trace(visitor);
AIWritingAssistanceBase::Trace(visitor);
}
void Summarizer::remoteExecute(
const String& input,
const String& context,
mojo::PendingRemote<blink::mojom::blink::ModelStreamingResponder>
responder) {
remote_->Summarize(input, context, std::move(responder));
}
ScriptPromise<IDLString> Summarizer::summarize(
ScriptState* script_state,
const String& writing_task,
const SummarizerSummarizeOptions* options,
ExceptionState& exception_state) {
return AIWritingAssistanceBase::execute(
script_state, writing_task, options, exception_state,
AIMetrics::AIAPI::kSummarizerSummarize);
}
ReadableStream* Summarizer::summarizeStreaming(
ScriptState* script_state,
const String& writing_task,
const SummarizerSummarizeOptions* options,
ExceptionState& exception_state) {
return AIWritingAssistanceBase::executeStreaming(
script_state, writing_task, options, exception_state,
AIMetrics::AIAPI::kSummarizerSummarizeStreaming);
}
ScriptPromise<IDLDouble> Summarizer::measureInputUsage(
ScriptState* script_state,
const String& writing_task,
const SummarizerSummarizeOptions* options,
ExceptionState& exception_state) {
return AIWritingAssistanceBase::measureInputUsage(script_state, writing_task,
options, exception_state);
}
void Summarizer::destroy(ScriptState* script_state,
ExceptionState& exception_state) {
AIWritingAssistanceBase::destroy(script_state, exception_state);
}
} // namespace blink
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