blob: efc5ab1ab78e8f6830237eb6b11a63c973e8f379 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef gfxCrashReporterUtils_h__
#define gfxCrashReporterUtils_h__
#include "nsString.h"
namespace mozilla {
/** \class ScopedGfxFeatureReporter
*
* On creation, adds "FeatureName?" to AppNotes
* On destruction, adds "FeatureName-", or "FeatureName+" if you called SetSuccessful().
*
* Any such string is added at most once to AppNotes, and is subsequently skipped.
*
* This ScopedGfxFeatureReporter class is designed to be fool-proof to use in functions that
* have many exit points. We don't want to encourage having function with many exit points.
* It just happens that our graphics features initialization functions are like that.
*/
class ScopedGfxFeatureReporter
{
public:
explicit ScopedGfxFeatureReporter(const char *aFeature, bool aForce = false)
: mFeature(aFeature), mStatusChar('-')
{
WriteAppNote(aForce ? '!' : '?');
}
~ScopedGfxFeatureReporter() {
WriteAppNote(mStatusChar);
}
void SetSuccessful() { mStatusChar = '+'; }
static void AppNote(const nsACString& aMessage);
class AppNoteWritingRunnable;
protected:
const char *mFeature;
char mStatusChar;
private:
void WriteAppNote(char statusChar);
};
} // end namespace mozilla
#endif // gfxCrashReporterUtils_h__
|
