Fixed elements should not rubber-band in WK2, nor remain at negative offsets
[WebKit-https.git] / Source / WebCore / testing / InternalSettings.h
1 /*
2  * Copyright (C) 2012 Google Inc. All rights reserved.
3  * Copyright (C) 2013-2016 Apple Inc. All rights reserved.
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26
27 #pragma once
28
29 // FIXME (121927): This include should not be needed.
30 #include <wtf/text/AtomicStringHash.h>
31
32 #include "EditingBehaviorTypes.h"
33 #include "ExceptionOr.h"
34 #include "FontGenericFamilies.h"
35 #include "IntSize.h"
36 #include "InternalSettingsGenerated.h"
37 #include "SecurityOrigin.h"
38 #include "Settings.h"
39 #include "WritingMode.h"
40
41 namespace WebCore {
42
43 class Page;
44 class Settings;
45
46 class InternalSettings : public InternalSettingsGenerated {
47 public:
48     static Ref<InternalSettings> create(Page*);
49     static InternalSettings* from(Page*);
50     void hostDestroyed();
51     void resetToConsistentState();
52
53     ExceptionOr<void> setUsesOverlayScrollbars(bool);
54     ExceptionOr<void> setTouchEventEmulationEnabled(bool);
55     ExceptionOr<void> setStandardFontFamily(const String& family, const String& script);
56     ExceptionOr<void> setSerifFontFamily(const String& family, const String& script);
57     ExceptionOr<void> setSansSerifFontFamily(const String& family, const String& script);
58     ExceptionOr<void> setFixedFontFamily(const String& family, const String& script);
59     ExceptionOr<void> setCursiveFontFamily(const String& family, const String& script);
60     ExceptionOr<void> setFantasyFontFamily(const String& family, const String& script);
61     ExceptionOr<void> setPictographFontFamily(const String& family, const String& script);
62     ExceptionOr<void> setTextAutosizingEnabled(bool);
63     ExceptionOr<void> setTextAutosizingWindowSizeOverride(int width, int height);
64     ExceptionOr<void> setTextAutosizingFontScaleFactor(float);
65     ExceptionOr<void> setMediaTypeOverride(const String&);
66     ExceptionOr<void> setCanStartMedia(bool);
67     ExceptionOr<void> setAllowsAirPlayForMediaPlayback(bool);
68     ExceptionOr<void> setMediaCaptureRequiresSecureConnection(bool);
69
70     ExceptionOr<void> setEditingBehavior(const String&);
71     ExceptionOr<void> setPreferMIMETypeForImages(bool);
72     ExceptionOr<void> setPDFImageCachingPolicy(const String&);
73     ExceptionOr<void> setShouldDisplayTrackKind(const String& kind, bool enabled);
74     ExceptionOr<bool> shouldDisplayTrackKind(const String& kind);
75     ExceptionOr<void> setStorageBlockingPolicy(const String&);
76     ExceptionOr<void> setImagesEnabled(bool);
77     ExceptionOr<void> setMinimumTimerInterval(double intervalInSeconds);
78     ExceptionOr<void> setDefaultVideoPosterURL(const String&);
79     ExceptionOr<void> setForcePendingWebGLPolicy(bool);
80     ExceptionOr<void> setTimeWithoutMouseMovementBeforeHidingControls(double);
81     ExceptionOr<void> setUseLegacyBackgroundSizeShorthandBehavior(bool);
82     ExceptionOr<void> setAutoscrollForDragAndDropEnabled(bool);
83     ExceptionOr<void> setFontFallbackPrefersPictographs(bool);
84     ExceptionOr<void> setWebFontsAlwaysFallBack(bool);
85     ExceptionOr<void> setQuickTimePluginReplacementEnabled(bool);
86     ExceptionOr<void> setYouTubeFlashPluginReplacementEnabled(bool);
87     ExceptionOr<void> setBackgroundShouldExtendBeyondPage(bool);
88     ExceptionOr<void> setShouldConvertPositionStyleOnCopy(bool);
89     ExceptionOr<void> setScrollingTreeIncludesFrames(bool);
90     ExceptionOr<void> setAllowUnclampedScrollPosition(bool);
91     ExceptionOr<void> setAllowsInlineMediaPlayback(bool);
92     ExceptionOr<void> setAllowsInlineMediaPlaybackAfterFullscreen(bool);
93     ExceptionOr<void> setInlineMediaPlaybackRequiresPlaysInlineAttribute(bool);
94     ExceptionOr<String> userInterfaceDirectionPolicy();
95     ExceptionOr<void> setUserInterfaceDirectionPolicy(const String&);
96     ExceptionOr<String> systemLayoutDirection();
97     ExceptionOr<void> setSystemLayoutDirection(const String&);
98     
99     static void setAllowsAnySSLCertificate(bool);
100
101     ExceptionOr<bool> deferredCSSParserEnabled();
102     ExceptionOr<void> setDeferredCSSParserEnabled(bool);
103
104     enum class ForcedAccessibilityValue { System, On, Off };
105     ForcedAccessibilityValue forcedColorsAreInvertedAccessibilityValue() const;
106     void setForcedColorsAreInvertedAccessibilityValue(ForcedAccessibilityValue);
107     ForcedAccessibilityValue forcedDisplayIsMonochromeAccessibilityValue() const;
108     void setForcedDisplayIsMonochromeAccessibilityValue(ForcedAccessibilityValue);
109     ForcedAccessibilityValue forcedPrefersReducedMotionAccessibilityValue() const;
110     void setForcedPrefersReducedMotionAccessibilityValue(ForcedAccessibilityValue);
111
112     // RuntimeEnabledFeatures.
113     static void setResourceTimingEnabled(bool);
114     static void setIndexedDBWorkersEnabled(bool);
115     static void setCSSGridLayoutEnabled(bool);
116     static void setWebGL2Enabled(bool);
117
118 private:
119     explicit InternalSettings(Page*);
120
121     Settings& settings() const;
122     static const char* supplementName();
123
124     class Backup {
125     public:
126         explicit Backup(Settings&);
127         void restoreTo(Settings&);
128
129         EditingBehaviorType m_originalEditingBehavior;
130
131         // Initially empty, only used if changed by a test.
132         ScriptFontFamilyMap m_standardFontFamilies;
133         ScriptFontFamilyMap m_fixedFontFamilies;
134         ScriptFontFamilyMap m_serifFontFamilies;
135         ScriptFontFamilyMap m_sansSerifFontFamilies;
136         ScriptFontFamilyMap m_cursiveFontFamilies;
137         ScriptFontFamilyMap m_fantasyFontFamilies;
138         ScriptFontFamilyMap m_pictographFontFamilies;
139
140 #if ENABLE(TEXT_AUTOSIZING)
141         bool m_originalTextAutosizingEnabled;
142         IntSize m_originalTextAutosizingWindowSizeOverride;
143 #endif
144
145         String m_originalMediaTypeOverride;
146         bool m_originalCanvasUsesAcceleratedDrawing;
147         bool m_originalMockScrollbarsEnabled;
148         bool m_originalUsesOverlayScrollbars;
149         bool m_imagesEnabled;
150         bool m_preferMIMETypeForImages;
151         std::chrono::milliseconds m_minimumTimerInterval;
152 #if ENABLE(VIDEO_TRACK)
153         bool m_shouldDisplaySubtitles;
154         bool m_shouldDisplayCaptions;
155         bool m_shouldDisplayTextDescriptions;
156 #endif
157         String m_defaultVideoPosterURL;
158         bool m_forcePendingWebGLPolicy;
159         bool m_originalTimeWithoutMouseMovementBeforeHidingControls;
160         bool m_useLegacyBackgroundSizeShorthandBehavior;
161         bool m_autoscrollForDragAndDropEnabled;
162         bool m_quickTimePluginReplacementEnabled;
163         bool m_youTubeFlashPluginReplacementEnabled;
164         bool m_shouldConvertPositionStyleOnCopy;
165         bool m_fontFallbackPrefersPictographs;
166         bool m_webFontsAlwaysFallBack;
167         bool m_backgroundShouldExtendBeyondPage;
168         SecurityOrigin::StorageBlockingPolicy m_storageBlockingPolicy;
169         bool m_scrollingTreeIncludesFrames;
170 #if ENABLE(TOUCH_EVENTS)
171         bool m_touchEventEmulationEnabled;
172 #endif
173 #if ENABLE(WIRELESS_PLAYBACK_TARGET)
174         bool m_allowsAirPlayForMediaPlayback;
175 #endif
176         bool m_allowsInlineMediaPlayback;
177         bool m_allowsInlineMediaPlaybackAfterFullscreen;
178         bool m_inlineMediaPlaybackRequiresPlaysInlineAttribute;
179         bool m_deferredCSSParserEnabled;
180         bool m_inputEventsEnabled;
181
182         UserInterfaceDirectionPolicy m_userInterfaceDirectionPolicy;
183         TextDirection m_systemLayoutDirection;
184         PDFImageCachingPolicy m_pdfImageCachingPolicy;
185         Settings::ForcedAccessibilityValue m_forcedColorsAreInvertedAccessibilityValue;
186         Settings::ForcedAccessibilityValue m_forcedDisplayIsMonochromeAccessibilityValue;
187         Settings::ForcedAccessibilityValue m_forcedPrefersReducedMotionAccessibilityValue;
188
189         // Runtime enabled settings.
190         bool m_resourceTimingEnabled;
191         bool m_indexedDBWorkersEnabled;
192         bool m_cssGridLayoutEnabled;
193         bool m_webGL2Enabled;
194     };
195
196     Page* m_page;
197     Backup m_backup;
198 };
199
200 } // namespace WebCore