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Side by Side Diff: chrome_frame/crash_reporting/crash_metrics.h

Issue 126143005: Remove Chrome Frame code and resources. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: sync to r244038 Created 6 years, 11 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // This file defines a service that collects information about the user
6 // experience in order to help improve future versions of the app.
7
8 #ifndef CHROME_FRAME_CRASH_REPORTING_CRASH_METRICS_H_
9 #define CHROME_FRAME_CRASH_REPORTING_CRASH_METRICS_H_
10
11 #include "base/basictypes.h"
12 #include "base/lazy_instance.h"
13 #include "base/threading/thread_local.h"
14
15 // This class provides functionality to track counters like successful page
16 // loads in the host browser, total number of crashes, page loads in chrome
17 // frame.
18 class CrashMetricsReporter {
19 public:
20 enum Metric {
21 NAVIGATION_COUNT,
22 CRASH_COUNT,
23 CHROME_FRAME_NAVIGATION_COUNT,
24 SESSION_ID,
25 CHANNEL_ERROR_COUNT,
26 LAST_METRIC,
27 };
28 // Returns the global instance of this class.
29 static CrashMetricsReporter* GetInstance();
30
31 // The following function pair return/set/increment the specified user
32 // metrics value from the registry. These values are set under the
33 // following key:-
34 // HKCU\Software\\Google\\ChromeFrame\\UserMetrics
35 int GetMetric(Metric metric);
36 bool SetMetric(Metric metric, int value);
37 int IncrementMetric(Metric metric);
38
39 // Records the crash metrics counters like navigation count, crash count.
40 void RecordCrashMetrics();
41
42 bool active() const {
43 return active_;
44 }
45
46 void set_active(bool active) {
47 active_ = active;
48 }
49
50 private:
51 friend struct base::DefaultLazyInstanceTraits<CrashMetricsReporter>;
52
53 CrashMetricsReporter()
54 : active_(false) {}
55 virtual ~CrashMetricsReporter() {}
56
57 // Indicates whether the crash metrics reporter instance is active.
58 bool active_;
59
60 static wchar_t* g_metric_names[LAST_METRIC];
61
62 DISALLOW_COPY_AND_ASSIGN(CrashMetricsReporter);
63 };
64
65 #endif // CHROME_FRAME_CRASH_REPORTING_CRASH_METRICS_H_
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