1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/src/gfxCrashReporterUtils.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,49 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef gfxCrashReporterUtils_h__
1.10 +#define gfxCrashReporterUtils_h__
1.11 +
1.12 +#include "gfxCore.h"
1.13 +
1.14 +namespace mozilla {
1.15 +
1.16 +/** \class ScopedGfxFeatureReporter
1.17 + *
1.18 + * On creation, adds "FeatureName?" to AppNotes
1.19 + * On destruction, adds "FeatureName-", or "FeatureName+" if you called SetSuccessful().
1.20 + *
1.21 + * Any such string is added at most once to AppNotes, and is subsequently skipped.
1.22 + *
1.23 + * This ScopedGfxFeatureReporter class is designed to be fool-proof to use in functions that
1.24 + * have many exit points. We don't want to encourage having function with many exit points.
1.25 + * It just happens that our graphics features initialization functions are like that.
1.26 + */
1.27 +class NS_GFX ScopedGfxFeatureReporter
1.28 +{
1.29 +public:
1.30 + ScopedGfxFeatureReporter(const char *aFeature, bool force = false)
1.31 + : mFeature(aFeature), mStatusChar('-')
1.32 + {
1.33 + WriteAppNote(force ? '!' : '?');
1.34 + }
1.35 + ~ScopedGfxFeatureReporter() {
1.36 + WriteAppNote(mStatusChar);
1.37 + }
1.38 + void SetSuccessful() { mStatusChar = '+'; }
1.39 +
1.40 + class AppNoteWritingRunnable;
1.41 +
1.42 +protected:
1.43 + const char *mFeature;
1.44 + char mStatusChar;
1.45 +
1.46 +private:
1.47 + void WriteAppNote(char statusChar);
1.48 +};
1.49 +
1.50 +} // end namespace mozilla
1.51 +
1.52 +#endif // gfxCrashReporterUtils_h__
