| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/renderer/stats_collection_controller.h" |
| |
| #include "base/json/json_writer.h" |
| #include "base/metrics/histogram_base.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "base/metrics/statistics_recorder.h" |
| #include "base/strings/string_util.h" |
| #include "content/common/renderer_host.mojom.h" |
| #include "content/public/common/service_names.mojom.h" |
| #include "content/renderer/render_thread_impl.h" |
| #include "content/renderer/render_view_impl.h" |
| #include "gin/handle.h" |
| #include "gin/object_template_builder.h" |
| #include "services/service_manager/public/cpp/connector.h" |
| #include "third_party/blink/public/web/blink.h" |
| #include "third_party/blink/public/web/web_local_frame.h" |
| #include "third_party/blink/public/web/web_view.h" |
| |
| namespace content { |
| |
| // static |
| gin::WrapperInfo StatsCollectionController::kWrapperInfo = { |
| gin::kEmbedderNativeGin |
| }; |
| |
| // static |
| void StatsCollectionController::Install(blink::WebLocalFrame* frame) { |
| v8::Isolate* isolate = blink::MainThreadIsolate(); |
| v8::HandleScope handle_scope(isolate); |
| v8::Local<v8::Context> context = frame->MainWorldScriptContext(); |
| if (context.IsEmpty()) |
| return; |
| |
| v8::Context::Scope context_scope(context); |
| |
| gin::Handle<StatsCollectionController> controller = |
| gin::CreateHandle(isolate, new StatsCollectionController()); |
| if (controller.IsEmpty()) |
| return; |
| v8::Local<v8::Object> global = context->Global(); |
| global->Set(gin::StringToV8(isolate, "statsCollectionController"), |
| controller.ToV8()); |
| } |
| |
| StatsCollectionController::StatsCollectionController() {} |
| |
| StatsCollectionController::~StatsCollectionController() {} |
| |
| gin::ObjectTemplateBuilder StatsCollectionController::GetObjectTemplateBuilder( |
| v8::Isolate* isolate) { |
| return gin::Wrappable<StatsCollectionController>::GetObjectTemplateBuilder( |
| isolate) |
| .SetMethod("getHistogram", &StatsCollectionController::GetHistogram) |
| .SetMethod("getBrowserHistogram", |
| &StatsCollectionController::GetBrowserHistogram); |
| } |
| |
| std::string StatsCollectionController::GetHistogram( |
| const std::string& histogram_name) { |
| base::HistogramBase* histogram = |
| base::StatisticsRecorder::FindHistogram(histogram_name); |
| std::string output; |
| if (!histogram) { |
| output = "{}"; |
| } else { |
| histogram->WriteJSON(&output, base::JSON_VERBOSITY_LEVEL_FULL); |
| } |
| return output; |
| } |
| |
| std::string StatsCollectionController::GetBrowserHistogram( |
| const std::string& histogram_name) { |
| std::string histogram_json; |
| RenderThreadImpl::current()->GetRendererHost()->GetBrowserHistogram( |
| histogram_name, &histogram_json); |
| |
| return histogram_json; |
| } |
| |
| } // namespace content |