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android_webview / common / devtools_instrumentation.h [blame]
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ANDROID_WEBVIEW_COMMON_DEVTOOLS_INSTRUMENTATION_H_
#define ANDROID_WEBVIEW_COMMON_DEVTOOLS_INSTRUMENTATION_H_
#include "base/trace_event/trace_event.h"
namespace android_webview {
namespace devtools_instrumentation {
namespace internal {
constexpr const char* Category() {
// Declared as a constexpr function to have an external linkage and to be
// known at compile-time.
return "Java,devtools,disabled-by-default-devtools.timeline";
}
const char kEmbedderCallback[] = "EmbedderCallback";
const char kCallbackNameArgument[] = "callbackName";
} // namespace internal
class ScopedEmbedderCallbackTask {
public:
explicit ScopedEmbedderCallbackTask(const char* callback_name) {
TRACE_EVENT_BEGIN1(internal::Category(), internal::kEmbedderCallback,
internal::kCallbackNameArgument, callback_name);
}
ScopedEmbedderCallbackTask(const ScopedEmbedderCallbackTask&) = delete;
ScopedEmbedderCallbackTask& operator=(const ScopedEmbedderCallbackTask&) =
delete;
~ScopedEmbedderCallbackTask() {
TRACE_EVENT_END0(internal::Category(), internal::kEmbedderCallback);
}
};
} // namespace devtools_instrumentation
} // namespace android_webview
#endif // ANDROID_WEBVIEW_COMMON_DEVTOOLS_INSTRUMENTATION_H_