hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
38 lines
1.0 KiB
C++
38 lines
1.0 KiB
C++
// Copyright 2012 The ChromiumOS Authors
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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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#include <gtest/gtest.h>
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#include "include/prop_registry.h"
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#ifndef GESTURES_TRACER_H__
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#define GESTURES_TRACER_H__
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namespace gestures {
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typedef void (*WriteFn)(const char*);
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// This class will automatically help us manage tracing stuff.
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// It has a X Property "Tracing Enabled". You can set it true to
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// enable tracing.
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// In the main program, you can simply use Trace function provided
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// by this class to write tracing messages, and it will handle
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// whether to output the message or not automatically.
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class Tracer {
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FRIEND_TEST(TracerTest, TraceTest);
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public:
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Tracer(PropRegistry* prop_reg, WriteFn write_fn);
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~Tracer() {};
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void Trace(const char* message, const char* name);
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private:
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WriteFn write_fn_;
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// Disable and enable tracing by setting false and true respectively
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BoolProperty tracing_enabled_;
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};
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} // namespace gestures
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#endif // GESTURES_TRACER_H__
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