flutter_flutter/shell/common/tracing_controller.h
Chinmay Garde 9eb446e0d5 Move shell to //flutter and split shell/BUILD.gn into smaller pieces for each subcomponent. (#3053)
* Namespaces have been updated to reflect the move from //flutter/sky/shell to //flutter/shell.
* shell/BUILD.gn file has been split into smaller GN files for each subcomponent of the shell (common, GPU, diagnostic, testing).
* GN dependencies have been rewritten to stop exposing common shell dependencies as public. Duplicates have also been removed.
* GPU subcomponent has been updated make it more suitable for Vulkan integration.
* The GLFW backend has been resurrected.
2016-09-23 15:33:25 -07:00

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// Copyright 2015 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.
#ifndef SHELL_COMMON_TRACING_CONTROLLER_H_
#define SHELL_COMMON_TRACING_CONTROLLER_H_
#include <string>
#include "lib/ftl/macros.h"
namespace shell {
class TracingController {
public:
TracingController();
~TracingController();
void StartTracing();
void StopTracing();
// Enables tracing in base. Only use this if an instance of a tracing
// controller cannot be obtained (can happen early in the lifecycle of the
// process). In most cases, the |StartTracing| method on an instance of the
// tracing controller should be used.
static void StartBaseTracing();
std::string PictureTracingPathForCurrentTime() const;
std::string PictureTracingPathForCurrentTime(
const std::string& directory) const;
bool tracing_active() const { return tracing_active_; }
void set_traces_base_path(std::string base_path) {
traces_base_path_ = std::move(base_path);
}
void set_picture_tracing_enabled(bool enabled) {
picture_tracing_enabled_ = enabled;
}
bool picture_tracing_enabled() const { return picture_tracing_enabled_; }
private:
std::string traces_base_path_;
bool picture_tracing_enabled_;
bool tracing_active_;
void StopBaseTracing();
std::string TracePathWithExtension(const std::string& directory,
const std::string& extension) const;
FTL_DISALLOW_COPY_AND_ASSIGN(TracingController);
};
} // namespace shell
#endif // SHELL_COMMON_TRACING_CONTROLLER_H_