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-rw-r--r--Source/WebCore/page/FeatureObserver.h139
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diff --git a/Source/WebCore/page/FeatureObserver.h b/Source/WebCore/page/FeatureObserver.h
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-/*
- * Copyright (C) 2012 Google, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FeatureObserver_h
-#define FeatureObserver_h
-
-#include <wtf/BitVector.h>
-#include <wtf/Noncopyable.h>
-#include <wtf/OwnPtr.h>
-#include <wtf/PassOwnPtr.h>
-
-namespace WebCore {
-
-class DOMWindow;
-class Document;
-
-class FeatureObserver {
- WTF_MAKE_NONCOPYABLE(FeatureObserver);
-public:
- FeatureObserver();
- ~FeatureObserver();
-
- enum Feature {
- PageDestruction,
- LegacyNotifications,
- MultipartMainResource,
- PrefixedIndexedDB,
- WorkerStart,
- SharedWorkerStart,
- LegacyWebAudio,
- WebAudioStart,
- PrefixedContentSecurityPolicy,
- UnprefixedIndexedDB,
- OpenWebDatabase,
- UnusedSlot01, // We used this slot for LegacyHTMLNotifications.
- LegacyTextNotifications,
- UnprefixedRequestAnimationFrame,
- PrefixedRequestAnimationFrame,
- ContentSecurityPolicy,
- ContentSecurityPolicyReportOnly,
- PrefixedContentSecurityPolicyReportOnly,
- PrefixedTransitionEndEvent,
- UnprefixedTransitionEndEvent,
- PrefixedAndUnprefixedTransitionEndEvent,
- AutoFocusAttribute,
- AutoSaveAttribute,
- DataListElement,
- FormAttribute,
- IncrementalAttribute,
- InputTypeColor,
- InputTypeDate,
- InputTypeDateTime,
- InputTypeDateTimeFallback,
- InputTypeDateTimeLocal,
- InputTypeEmail,
- InputTypeMonth,
- InputTypeNumber,
- InputTypeRange,
- InputTypeSearch,
- InputTypeTel,
- InputTypeTime,
- InputTypeURL,
- InputTypeWeek,
- InputTypeWeekFallback,
- ListAttribute,
- MaxAttribute,
- MinAttribute,
- PatternAttribute,
- PlaceholderAttribute,
- PrecisionAttribute,
- PrefixedDirectoryAttribute,
- PrefixedSpeechAttribute,
- RequiredAttribute,
- ResultsAttribute,
- StepAttribute,
- PageVisits,
- HTMLMarqueeElement,
- CSSOverflowMarquee,
- Reflection,
- CursorVisibility,
- StorageInfo,
- XFrameOptions,
- XFrameOptionsSameOrigin,
- XFrameOptionsSameOriginWithBadAncestorChain,
- DeprecatedFlexboxWebContent,
- DeprecatedFlexboxChrome,
- DeprecatedFlexboxChromeExtension,
- // Add new features above this line. Don't change assigned numbers of each items.
- NumberOfFeatures, // This enum value must be last.
- };
-
- static void observe(Document*, Feature);
- static void observe(DOMWindow*, Feature);
- void didCommitLoad();
-
- const BitVector* accumulatedFeatureBits() const { return m_featureBits.get(); }
-
-private:
- void didObserve(Feature feature)
- {
- ASSERT(feature != PageDestruction); // PageDestruction is reserved as a scaling factor.
- ASSERT(feature < NumberOfFeatures);
- if (!m_featureBits) {
- m_featureBits = adoptPtr(new BitVector(NumberOfFeatures));
- m_featureBits->clearAll();
- }
- m_featureBits->quickSet(feature);
- }
-
- void updateMeasurements();
-
- OwnPtr<BitVector> m_featureBits;
-};
-
-} // namespace WebCore
-
-#endif // FeatureObserver_h