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86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef __SKY_SHELL_TRACING_CONTROLLER__
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#define __SKY_SHELL_TRACING_CONTROLLER__
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#include "base/files/file.h"
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#include "base/macros.h"
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#include "base/memory/ref_counted_memory.h"
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#include "base/memory/weak_ptr.h"
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#include "base/time/time.h"
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#include "mojo/public/cpp/system/data_pipe.h"
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#include "sky/shell/shell_view.h"
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#include <memory>
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namespace sky {
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namespace shell {
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class TracingController {
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public:
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TracingController();
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~TracingController();
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void StartTracing();
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void StopTracing(const base::FilePath& path,
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bool terminateLoopWhenDone = false);
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// Enables tracing in base. Only use this if an instance of a tracing
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// controller cannot be obtained (can happen early in the lifecycle of the
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// process). In most cases, the |StartTracing| method on an instance of the
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// tracing controller should be used.
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static void StartBaseTracing();
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base::FilePath PictureTracingPathForCurrentTime() const;
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base::FilePath PictureTracingPathForCurrentTime(base::FilePath dir) const;
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base::FilePath TracePathForCurrentTime(base::FilePath dir) const;
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void SetDartInitialized();
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bool tracing_active() const { return tracing_active_; }
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void set_traces_base_path(const base::FilePath& base_path) {
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traces_base_path_ = base_path;
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}
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void set_picture_tracing_enabled(bool enabled) {
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picture_tracing_enabled_ = enabled;
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}
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bool picture_tracing_enabled() const { return picture_tracing_enabled_; }
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private:
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std::unique_ptr<base::File> trace_file_;
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base::FilePath traces_base_path_;
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bool picture_tracing_enabled_;
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bool terminate_loop_on_write_;
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bool dart_initialized_;
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bool tracing_active_;
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void StartDartTracing();
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void StopDartTracing();
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void StopBaseTracing();
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void FinalizeTraceFile();
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void StopTracingAsync(const base::FilePath& path, bool terminateLoopWhenDone);
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void OnBaseTraceChunk(const scoped_refptr<base::RefCountedString>& chunk,
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bool has_more_events);
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void ManageObservatoryCallbacks(bool addOrRemove);
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base::FilePath TracePathWithExtension(base::FilePath dir,
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std::string extension) const;
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base::WeakPtrFactory<TracingController> weak_factory_;
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DISALLOW_COPY_AND_ASSIGN(TracingController);
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};
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} // namespace shell
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} // namespace sky
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#endif /* defined(__SKY_SHELL_TRACING_CONTROLLER__) */
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