| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef HostsUsingFeatures_h |
| #define HostsUsingFeatures_h |
| |
| #include "core/CoreExport.h" |
| #include "platform/heap/Handle.h" |
| #include "platform/weborigin/KURL.h" |
| #include "wtf/HashMap.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/StringHash.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class Document; |
| class EventTarget; |
| class ScriptState; |
| |
| class CORE_EXPORT HostsUsingFeatures { |
| DISALLOW_NEW(); |
| public: |
| ~HostsUsingFeatures(); |
| |
| // Features for RAPPOR. Do not reorder or remove! |
| enum class Feature { |
| ElementCreateShadowRoot, |
| DocumentRegisterElement, |
| EventPath, |
| DeviceMotionInsecureHost, |
| DeviceOrientationInsecureHost, |
| FullscreenInsecureHost, |
| GeolocationInsecureHost, |
| GetUserMediaInsecureHost, |
| GetUserMediaSecureHost, |
| ElementAttachShadow, |
| ApplicationCacheManifestSelectInsecureHost, |
| ApplicationCacheAPIInsecureHost, |
| |
| NumberOfFeatures // This must be the last item. |
| }; |
| |
| static void countAnyWorld(Document&, Feature); |
| static void countMainWorldOnly(const ScriptState*, Document&, Feature); |
| static void countHostOrIsolatedWorldHumanReadableName(const ScriptState*, EventTarget&, Feature); |
| |
| void documentDetached(Document&); |
| void updateMeasurementsAndClear(); |
| |
| class CORE_EXPORT Value { |
| DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
| public: |
| Value(); |
| |
| bool isEmpty() const { return !m_countBits; } |
| void clear() { m_countBits = 0; } |
| |
| void count(Feature); |
| bool get(Feature feature) const { return m_countBits & (1 << static_cast<unsigned>(feature)); } |
| |
| void aggregate(Value); |
| void recordHostToRappor(const String& host); |
| void recordNameToRappor(const String& name); |
| void recordETLDPlus1ToRappor(const KURL&); |
| |
| private: |
| unsigned m_countBits : static_cast<unsigned>(Feature::NumberOfFeatures); |
| }; |
| |
| void countName(Feature, const String&); |
| HashMap<String, Value>& valueByName() { return m_valueByName; } |
| void clear(); |
| |
| private: |
| void recordHostToRappor(); |
| void recordNamesToRappor(); |
| void recordETLDPlus1ToRappor(); |
| |
| Vector<std::pair<KURL, HostsUsingFeatures::Value>, 1> m_urlAndValues; |
| HashMap<String, HostsUsingFeatures::Value> m_valueByName; |
| }; |
| |
| } // namespace blink |
| |
| #endif // HostsUsingFeatures_h |