1 /* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WebSettings_h 32 #define WebSettings_h 33 34 #include "../platform/WebCommon.h" 35 #include "../platform/WebSize.h" 36 #include <unicode/uscript.h> 37 38 namespace blink { 39 40 class WebString; 41 class WebURL; 42 43 // WebSettings is owned by the WebView and allows code to modify the settings for 44 // the WebView's page without any knowledge of WebCore itself. For the most part, 45 // these functions have a 1:1 mapping with the methods in WebCore/page/Settings.h. 46 class WebSettings { 47 public: 48 enum EditingBehavior { 49 EditingBehaviorMac, 50 EditingBehaviorWin, 51 EditingBehaviorUnix, 52 EditingBehaviorAndroid 53 }; 54 55 enum V8CacheOptions { 56 V8CacheOptionsOff, 57 V8CacheOptionsParse, 58 V8CacheOptionsCode 59 }; 60 61 // Bit field values to tell Blink what kind of pointer/hover types are 62 // available on the system. These must match the enums in 63 // core/css/PointerProperties.h and their equality is compile-time asserted 64 // in WebSettingsImpl.cpp. 65 enum PointerType { 66 PointerTypeNone = 1, 67 PointerTypeCoarse = 2, 68 PointerTypeFine = 4 69 }; 70 71 enum HoverType { 72 HoverTypeNone = 1, 73 // Indicates that the primary pointing system can hover, but it requires 74 // a significant action on the users part. e.g. hover on long press. 75 HoverTypeOnDemand = 2, 76 HoverTypeHover = 4 77 }; 78 79 virtual bool mainFrameResizesAreOrientationChanges() const = 0; 80 virtual int availablePointerTypes() const = 0; 81 virtual PointerType primaryPointerType() const = 0; 82 virtual int availableHoverTypes() const = 0; 83 virtual HoverType primaryHoverType() const = 0; 84 virtual bool shrinksViewportContentToFit() const = 0; 85 virtual bool viewportEnabled() const = 0; 86 virtual void setAccelerated2dCanvasEnabled(bool) = 0; 87 virtual void setAccelerated2dCanvasMSAASampleCount(int) = 0; 88 virtual void setAcceleratedCompositingEnabled(bool) = 0; 89 virtual void setPreferCompositingToLCDTextEnabled(bool) = 0; 90 // Not implemented yet, see http://crbug.com/178119 91 virtual void setAcceleratedCompositingForTransitionEnabled(bool) { }; 92 // If set to true, allows frames with an https origin to display passive 93 // contents at an insecure URL. Otherwise, disallows it. The 94 // FrameLoaderClient set to the frame may override the value set by this 95 // method. 96 virtual void setAccessibilityEnabled(bool) = 0; 97 virtual void setAllowDisplayOfInsecureContent(bool) = 0; 98 virtual void setAllowFileAccessFromFileURLs(bool) = 0; 99 virtual void setAllowCustomScrollbarInMainFrame(bool) = 0; 100 // If set to true, allows frames with an https origin to run active 101 // contents at an insecure URL. This includes WebSockets. Otherwise, 102 // disallows it. The FrameLoaderClient set to the frame may override the 103 // value set by this method. 104 virtual void setAllowRunningOfInsecureContent(bool) = 0; 105 // If set to true, allows frames with an https origin to connect WebSockets 106 // with an insecure URL (ws://). Otherwise, disallows it. Only when this is 107 // set to true, this value overrides the value set by 108 // setAllowRunningOfInsecureContent() for WebSockets. The FrameLoaderClient 109 // set to the frame may override the value set by this method. 110 virtual void setAllowConnectingInsecureWebSocket(bool) = 0; 111 virtual void setAllowScriptsToCloseWindows(bool) = 0; 112 virtual void setAllowUniversalAccessFromFileURLs(bool) = 0; 113 virtual void setAntialiased2dCanvasEnabled(bool) = 0; 114 virtual void setAsynchronousSpellCheckingEnabled(bool) = 0; 115 virtual void setAutoZoomFocusedNodeToLegibleScale(bool) = 0; 116 virtual void setCaretBrowsingEnabled(bool) = 0; 117 virtual void setClobberUserAgentInitialScaleQuirk(bool) = 0; 118 virtual void setContainerCullingEnabled(bool) = 0; 119 virtual void setCookieEnabled(bool) = 0; 120 virtual void setNavigateOnDragDrop(bool) = 0; 121 virtual void setCursiveFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0; 122 virtual void setDNSPrefetchingEnabled(bool) = 0; 123 virtual void setDOMPasteAllowed(bool) = 0; 124 virtual void setDefaultFixedFontSize(int) = 0; 125 virtual void setDefaultFontSize(int) = 0; 126 virtual void setDefaultTextEncodingName(const WebString&) = 0; 127 virtual void setDefaultVideoPosterURL(const WebString&) = 0; 128 virtual void setDisallowFullscreenForNonMediaElements(bool) = 0; 129 void setDeferred2dCanvasEnabled(bool) { } // temporary stub 130 virtual void setDeferredFiltersEnabled(bool) = 0; 131 virtual void setDeferredImageDecodingEnabled(bool) = 0; 132 virtual void setDeviceScaleAdjustment(float) = 0; 133 virtual void setDeviceSupportsMouse(bool) = 0; 134 virtual void setDeviceSupportsTouch(bool) = 0; 135 virtual void setDoubleTapToZoomEnabled(bool) = 0; 136 virtual void setDownloadableBinaryFontsEnabled(bool) = 0; 137 virtual void setEditingBehavior(EditingBehavior) = 0; 138 virtual void setEnableScrollAnimator(bool) = 0; 139 virtual void setEnableTouchAdjustment(bool) = 0; 140 virtual void setRegionBasedColumnsEnabled(bool) = 0; 141 virtual void setExperimentalWebGLEnabled(bool) = 0; 142 virtual void setFantasyFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0; 143 virtual void setFixedFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0; 144 virtual void setForceZeroLayoutHeight(bool) = 0; 145 virtual void setFullscreenSupported(bool) = 0; 146 virtual void setHyperlinkAuditingEnabled(bool) = 0; 147 virtual void setIgnoreMainFrameOverflowHiddenQuirk(bool) = 0; 148 virtual void setImagesEnabled(bool) = 0; 149 virtual void setInlineTextBoxAccessibilityEnabled(bool) = 0; 150 virtual void setJavaEnabled(bool) = 0; 151 virtual void setJavaScriptCanAccessClipboard(bool) = 0; 152 virtual void setJavaScriptCanOpenWindowsAutomatically(bool) = 0; 153 virtual void setJavaScriptEnabled(bool) = 0; 154 virtual void setLayerSquashingEnabled(bool) = 0; 155 virtual void setLoadsImagesAutomatically(bool) = 0; 156 virtual void setLoadWithOverviewMode(bool) = 0; 157 virtual void setLocalStorageEnabled(bool) = 0; 158 virtual void setMainFrameClipsContent(bool) = 0; 159 virtual void setMainFrameResizesAreOrientationChanges(bool) = 0; 160 virtual void setMaxTouchPoints(int) = 0; 161 virtual void setMediaControlsOverlayPlayButtonEnabled(bool) = 0; 162 virtual void setMediaPlaybackRequiresUserGesture(bool) = 0; 163 virtual void setMinimumAccelerated2dCanvasSize(int) = 0; 164 virtual void setMinimumFontSize(int) = 0; 165 virtual void setMinimumLogicalFontSize(int) = 0; 166 virtual void setMockScrollbarsEnabled(bool) = 0; 167 virtual void setOfflineWebApplicationCacheEnabled(bool) = 0; 168 virtual void setOpenGLMultisamplingEnabled(bool) = 0; 169 virtual void setPasswordEchoDurationInSeconds(double) = 0; 170 virtual void setPasswordEchoEnabled(bool) = 0; 171 virtual void setPerTilePaintingEnabled(bool) = 0; 172 virtual void setPictographFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0; 173 virtual void setPinchOverlayScrollbarThickness(int) = 0; 174 virtual void setPinchVirtualViewportEnabled(bool) = 0; 175 virtual void setPluginsEnabled(bool) = 0; 176 virtual void setAvailablePointerTypes(int) = 0; 177 virtual void setPrimaryPointerType(PointerType) = 0; 178 virtual void setAvailableHoverTypes(int) = 0; 179 virtual void setPrimaryHoverType(HoverType) = 0; 180 virtual void setRenderVSyncNotificationEnabled(bool) = 0; 181 virtual void setReportScreenSizeInPhysicalPixelsQuirk(bool) = 0; 182 virtual void setSansSerifFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0; 183 virtual void setSelectTrailingWhitespaceEnabled(bool) = 0; 184 virtual void setSelectionIncludesAltImageText(bool) = 0; 185 virtual void setSerifFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0; 186 virtual void setShouldPrintBackgrounds(bool) = 0; 187 virtual void setShouldClearDocumentBackground(bool) = 0; 188 virtual void setShouldRespectImageOrientation(bool) = 0; 189 virtual void setShowFPSCounter(bool) = 0; 190 virtual void setShowPaintRects(bool) = 0; 191 virtual void setShrinksStandaloneImagesToFit(bool) = 0; 192 virtual void setShrinksViewportContentToFit(bool) = 0; 193 virtual void setSmartInsertDeleteEnabled(bool) = 0; 194 // Spatial navigation feature, when enabled, improves the experience 195 // of keyboard-controlling the web pages which originally were not designed 196 // for keyboard navigation. It allows to use arrow keys to move focus between 197 // the adjacent HTML elements. As a side effect, it extends the criteria for 198 // elements to be focusable to include any element which has click or keyboard 199 // event handlers specified. User can also trigger click handlers for such 200 // elements using SPACE or ENTER keys. 201 virtual void setSpatialNavigationEnabled(bool) = 0; 202 virtual void setStandardFontFamily(const WebString&, UScriptCode = USCRIPT_COMMON) = 0; 203 virtual void setSupportDeprecatedTargetDensityDPI(bool) = 0; 204 virtual void setSupportsMultipleWindows(bool) = 0; 205 virtual void setSyncXHRInDocumentsEnabled(bool) = 0; 206 virtual void setTextAreasAreResizable(bool) = 0; 207 virtual void setTextAutosizingEnabled(bool) = 0; 208 virtual void setAccessibilityFontScaleFactor(float) = 0; 209 virtual void setThreadedScrollingEnabled(bool) = 0; 210 virtual void setTouchDragDropEnabled(bool) = 0; 211 virtual void setTouchEditingEnabled(bool) = 0; 212 virtual void setUnifiedTextCheckerEnabled(bool) = 0; 213 virtual void setUnsafePluginPastingEnabled(bool) = 0; 214 virtual void setUseLegacyBackgroundSizeShorthandBehavior(bool) = 0; 215 virtual void setUseSolidColorScrollbars(bool) = 0; 216 virtual void setUseWideViewport(bool) = 0; 217 virtual void setUsesEncodingDetector(bool) = 0; 218 virtual void setV8CacheOptions(V8CacheOptions) = 0; 219 virtual void setV8ScriptStreamingEnabled(bool) = 0; 220 virtual void setValidationMessageTimerMagnification(int) = 0; 221 virtual void setViewportEnabled(bool) = 0; 222 virtual void setViewportMetaEnabled(bool) = 0; 223 virtual void setViewportMetaLayoutSizeQuirk(bool) = 0; 224 virtual void setViewportMetaMergeContentQuirk(bool) = 0; 225 virtual void setViewportMetaNonUserScalableQuirk(bool) = 0; 226 virtual void setViewportMetaZeroValuesQuirk(bool) = 0; 227 virtual void setWebAudioEnabled(bool) = 0; 228 virtual void setWebGLErrorsToConsoleEnabled(bool) = 0; 229 virtual void setWebSecurityEnabled(bool) = 0; 230 virtual void setWideViewportQuirkEnabled(bool) = 0; 231 virtual void setXSSAuditorEnabled(bool) = 0; 232 233 protected: 234 ~WebSettings() { } 235 }; 236 237 } // namespace blink 238 239 #endif 240
