1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "content/public/renderer/web_preferences.h" 6 7 #include "base/strings/utf_string_conversions.h" 8 #include "content/renderer/net_info_helper.h" 9 #include "third_party/WebKit/public/platform/WebConnectionType.h" 10 #include "third_party/WebKit/public/platform/WebString.h" 11 #include "third_party/WebKit/public/platform/WebURL.h" 12 #include "third_party/WebKit/public/web/WebKit.h" 13 #include "third_party/WebKit/public/web/WebNetworkStateNotifier.h" 14 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h" 15 #include "third_party/WebKit/public/web/WebSettings.h" 16 #include "third_party/WebKit/public/web/WebView.h" 17 #include "third_party/icu/source/common/unicode/uchar.h" 18 #include "third_party/icu/source/common/unicode/uscript.h" 19 #include "webkit/common/webpreferences.h" 20 21 using blink::WebNetworkStateNotifier; 22 using blink::WebRuntimeFeatures; 23 using blink::WebSettings; 24 using blink::WebString; 25 using blink::WebURL; 26 using blink::WebView; 27 28 namespace content { 29 30 namespace { 31 32 typedef void (*SetFontFamilyWrapper)(blink::WebSettings*, 33 const base::string16&, 34 UScriptCode); 35 36 void setStandardFontFamilyWrapper(WebSettings* settings, 37 const base::string16& font, 38 UScriptCode script) { 39 settings->setStandardFontFamily(font, script); 40 } 41 42 void setFixedFontFamilyWrapper(WebSettings* settings, 43 const base::string16& font, 44 UScriptCode script) { 45 settings->setFixedFontFamily(font, script); 46 } 47 48 void setSerifFontFamilyWrapper(WebSettings* settings, 49 const base::string16& font, 50 UScriptCode script) { 51 settings->setSerifFontFamily(font, script); 52 } 53 54 void setSansSerifFontFamilyWrapper(WebSettings* settings, 55 const base::string16& font, 56 UScriptCode script) { 57 settings->setSansSerifFontFamily(font, script); 58 } 59 60 void setCursiveFontFamilyWrapper(WebSettings* settings, 61 const base::string16& font, 62 UScriptCode script) { 63 settings->setCursiveFontFamily(font, script); 64 } 65 66 void setFantasyFontFamilyWrapper(WebSettings* settings, 67 const base::string16& font, 68 UScriptCode script) { 69 settings->setFantasyFontFamily(font, script); 70 } 71 72 void setPictographFontFamilyWrapper(WebSettings* settings, 73 const base::string16& font, 74 UScriptCode script) { 75 settings->setPictographFontFamily(font, script); 76 } 77 78 // If |scriptCode| is a member of a family of "similar" script codes, returns 79 // the script code in that family that is used by WebKit for font selection 80 // purposes. For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are 81 // considered equivalent for the purposes of font selection. WebKit uses the 82 // script code USCRIPT_KATAKANA_OR_HIRAGANA. So, if |scriptCode| is 83 // USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA. WebKit 84 // uses different scripts than the ones in Chrome pref names because the version 85 // of ICU included on certain ports does not have some of the newer scripts. If 86 // |scriptCode| is not a member of such a family, returns |scriptCode|. 87 UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) { 88 switch (scriptCode) { 89 case USCRIPT_HIRAGANA: 90 case USCRIPT_KATAKANA: 91 case USCRIPT_JAPANESE: 92 return USCRIPT_KATAKANA_OR_HIRAGANA; 93 case USCRIPT_KOREAN: 94 return USCRIPT_HANGUL; 95 default: 96 return scriptCode; 97 } 98 } 99 100 void ApplyFontsFromMap(const webkit_glue::ScriptFontFamilyMap& map, 101 SetFontFamilyWrapper setter, 102 WebSettings* settings) { 103 for (webkit_glue::ScriptFontFamilyMap::const_iterator it = map.begin(); 104 it != map.end(); 105 ++it) { 106 int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str()); 107 if (script >= 0 && script < USCRIPT_CODE_LIMIT) { 108 UScriptCode code = static_cast<UScriptCode>(script); 109 (*setter)(settings, it->second, GetScriptForWebSettings(code)); 110 } 111 } 112 } 113 114 } // namespace 115 116 void ApplyWebPreferences(const WebPreferences& prefs, WebView* web_view) { 117 WebSettings* settings = web_view->settings(); 118 ApplyFontsFromMap(prefs.standard_font_family_map, 119 setStandardFontFamilyWrapper, settings); 120 ApplyFontsFromMap(prefs.fixed_font_family_map, 121 setFixedFontFamilyWrapper, settings); 122 ApplyFontsFromMap(prefs.serif_font_family_map, 123 setSerifFontFamilyWrapper, settings); 124 ApplyFontsFromMap(prefs.sans_serif_font_family_map, 125 setSansSerifFontFamilyWrapper, settings); 126 ApplyFontsFromMap(prefs.cursive_font_family_map, 127 setCursiveFontFamilyWrapper, settings); 128 ApplyFontsFromMap(prefs.fantasy_font_family_map, 129 setFantasyFontFamilyWrapper, settings); 130 ApplyFontsFromMap(prefs.pictograph_font_family_map, 131 setPictographFontFamilyWrapper, settings); 132 settings->setDefaultFontSize(prefs.default_font_size); 133 settings->setDefaultFixedFontSize(prefs.default_fixed_font_size); 134 settings->setMinimumFontSize(prefs.minimum_font_size); 135 settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size); 136 settings->setDefaultTextEncodingName( 137 base::ASCIIToUTF16(prefs.default_encoding)); 138 settings->setJavaScriptEnabled(prefs.javascript_enabled); 139 settings->setWebSecurityEnabled(prefs.web_security_enabled); 140 settings->setJavaScriptCanOpenWindowsAutomatically( 141 prefs.javascript_can_open_windows_automatically); 142 settings->setLoadsImagesAutomatically(prefs.loads_images_automatically); 143 settings->setImagesEnabled(prefs.images_enabled); 144 settings->setPluginsEnabled(prefs.plugins_enabled); 145 settings->setDOMPasteAllowed(prefs.dom_paste_enabled); 146 settings->setNeedsSiteSpecificQuirks(prefs.site_specific_quirks_enabled); 147 settings->setShrinksStandaloneImagesToFit( 148 prefs.shrinks_standalone_images_to_fit); 149 settings->setUsesEncodingDetector(prefs.uses_universal_detector); 150 settings->setTextAreasAreResizable(prefs.text_areas_are_resizable); 151 settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows); 152 settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled); 153 settings->setJavaScriptCanAccessClipboard( 154 prefs.javascript_can_access_clipboard); 155 WebRuntimeFeatures::enableXSLT(prefs.xslt_enabled); 156 settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled); 157 settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled); 158 settings->setLocalStorageEnabled(prefs.local_storage_enabled); 159 settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled); 160 WebRuntimeFeatures::enableDatabase(prefs.databases_enabled); 161 settings->setOfflineWebApplicationCacheEnabled( 162 prefs.application_cache_enabled); 163 settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled); 164 settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled); 165 settings->setCookieEnabled(prefs.cookie_enabled); 166 settings->setNavigateOnDragDrop(prefs.navigate_on_drag_drop); 167 168 settings->setJavaEnabled(prefs.java_enabled); 169 170 // By default, allow_universal_access_from_file_urls is set to false and thus 171 // we mitigate attacks from local HTML files by not granting file:// URLs 172 // universal access. Only test shell will enable this. 173 settings->setAllowUniversalAccessFromFileURLs( 174 prefs.allow_universal_access_from_file_urls); 175 settings->setAllowFileAccessFromFileURLs( 176 prefs.allow_file_access_from_file_urls); 177 178 // Enable the web audio API if requested on the command line. 179 settings->setWebAudioEnabled(prefs.webaudio_enabled); 180 181 // Enable experimental WebGL support if requested on command line 182 // and support is compiled in. 183 settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled); 184 185 // Disable GL multisampling if requested on command line. 186 settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled); 187 188 // Enable WebGL errors to the JS console if requested. 189 settings->setWebGLErrorsToConsoleEnabled( 190 prefs.webgl_errors_to_console_enabled); 191 192 // Uses the mock theme engine for scrollbars. 193 settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled); 194 195 settings->setLayerSquashingEnabled(prefs.layer_squashing_enabled); 196 197 // Enable gpu-accelerated compositing always. 198 settings->setAcceleratedCompositingEnabled(true); 199 200 // Enable gpu-accelerated 2d canvas if requested on the command line. 201 settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled); 202 203 settings->setMinimumAccelerated2dCanvasSize( 204 prefs.minimum_accelerated_2d_canvas_size); 205 206 // Disable antialiasing for 2d canvas if requested on the command line. 207 settings->setAntialiased2dCanvasEnabled( 208 !prefs.antialiased_2d_canvas_disabled); 209 210 // Set MSAA sample count for 2d canvas if requested on the command line (or 211 // default value if not). 212 settings->setAccelerated2dCanvasMSAASampleCount( 213 prefs.accelerated_2d_canvas_msaa_sample_count); 214 215 // Enable deferred filter rendering if requested on the command line. 216 settings->setDeferredFiltersEnabled(prefs.deferred_filters_enabled); 217 218 // Enable container culling if requested on the command line. 219 settings->setContainerCullingEnabled(prefs.container_culling_enabled); 220 221 // Enable gesture tap highlight if requested on the command line. 222 settings->setGestureTapHighlightEnabled(prefs.gesture_tap_highlight_enabled); 223 224 // Enabling accelerated layers from the command line enabled accelerated 225 // Video. 226 settings->setAcceleratedCompositingForVideoEnabled( 227 prefs.accelerated_compositing_for_video_enabled); 228 229 // WebGL and accelerated 2D canvas are always gpu composited. 230 settings->setAcceleratedCompositingForCanvasEnabled( 231 prefs.experimental_webgl_enabled || prefs.accelerated_2d_canvas_enabled); 232 233 settings->setAsynchronousSpellCheckingEnabled( 234 prefs.asynchronous_spell_checking_enabled); 235 settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled); 236 237 for (webkit_glue::WebInspectorPreferences::const_iterator it = 238 prefs.inspector_settings.begin(); 239 it != prefs.inspector_settings.end(); 240 ++it) { 241 web_view->setInspectorSetting(WebString::fromUTF8(it->first), 242 WebString::fromUTF8(it->second)); 243 } 244 245 // Tabs to link is not part of the settings. WebCore calls 246 // ChromeClient::tabsToLinks which is part of the glue code. 247 web_view->setTabsToLinks(prefs.tabs_to_links); 248 249 settings->setAllowDisplayOfInsecureContent( 250 prefs.allow_displaying_insecure_content); 251 settings->setAllowRunningOfInsecureContent( 252 prefs.allow_running_insecure_content); 253 settings->setPasswordEchoEnabled(prefs.password_echo_enabled); 254 settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds); 255 settings->setShouldClearDocumentBackground( 256 prefs.should_clear_document_background); 257 settings->setEnableScrollAnimator(prefs.enable_scroll_animator); 258 259 settings->setRegionBasedColumnsEnabled(prefs.region_based_columns_enabled); 260 261 WebRuntimeFeatures::enableTouch(prefs.touch_enabled); 262 settings->setMaxTouchPoints(prefs.pointer_events_max_touch_points); 263 settings->setDeviceSupportsTouch(prefs.device_supports_touch); 264 settings->setDeviceSupportsMouse(prefs.device_supports_mouse); 265 settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled); 266 267 settings->setDeferredImageDecodingEnabled( 268 prefs.deferred_image_decoding_enabled); 269 settings->setShouldRespectImageOrientation( 270 prefs.should_respect_image_orientation); 271 272 settings->setUnsafePluginPastingEnabled(false); 273 settings->setEditingBehavior( 274 static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior)); 275 276 settings->setSupportsMultipleWindows(prefs.supports_multiple_windows); 277 278 settings->setViewportEnabled(prefs.viewport_enabled); 279 settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale); 280 settings->setViewportMetaEnabled(prefs.viewport_meta_enabled); 281 settings->setMainFrameResizesAreOrientationChanges( 282 prefs.main_frame_resizes_are_orientation_changes); 283 284 settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled); 285 286 settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled); 287 288 settings->setSelectionIncludesAltImageText(true); 289 290 #if defined(OS_ANDROID) 291 settings->setAllowCustomScrollbarInMainFrame(false); 292 settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled); 293 settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor); 294 settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment); 295 web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom); 296 settings->setAutoZoomFocusedNodeToLegibleScale(true); 297 settings->setDisallowFullscreenForNonMediaElements( 298 prefs.disallow_fullscreen_for_non_media_elements); 299 settings->setFullscreenSupported(prefs.fullscreen_supported); 300 settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled); 301 settings->setMediaControlsOverlayPlayButtonEnabled(true); 302 settings->setMediaPlaybackRequiresUserGesture( 303 prefs.user_gesture_required_for_media_playback); 304 settings->setDefaultVideoPosterURL( 305 base::ASCIIToUTF16(prefs.default_video_poster_url.spec())); 306 settings->setSupportDeprecatedTargetDensityDPI( 307 prefs.support_deprecated_target_density_dpi); 308 settings->setUseLegacyBackgroundSizeShorthandBehavior( 309 prefs.use_legacy_background_size_shorthand_behavior); 310 settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk); 311 settings->setUseWideViewport(prefs.use_wide_viewport); 312 settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height); 313 settings->setViewportMetaLayoutSizeQuirk( 314 prefs.viewport_meta_layout_size_quirk); 315 settings->setViewportMetaMergeContentQuirk( 316 prefs.viewport_meta_merge_content_quirk); 317 settings->setViewportMetaNonUserScalableQuirk( 318 prefs.viewport_meta_non_user_scalable_quirk); 319 settings->setViewportMetaZeroValuesQuirk( 320 prefs.viewport_meta_zero_values_quirk); 321 settings->setClobberUserAgentInitialScaleQuirk( 322 prefs.clobber_user_agent_initial_scale_quirk); 323 settings->setIgnoreMainFrameOverflowHiddenQuirk( 324 prefs.ignore_main_frame_overflow_hidden_quirk); 325 settings->setReportScreenSizeInPhysicalPixelsQuirk( 326 prefs.report_screen_size_in_physical_pixels_quirk); 327 settings->setMainFrameClipsContent(false); 328 settings->setShrinksStandaloneImagesToFit(false); 329 settings->setShrinksViewportContentToFit(true); 330 #endif 331 332 WebNetworkStateNotifier::setOnLine(prefs.is_online); 333 WebNetworkStateNotifier::setWebConnectionType( 334 NetConnectionTypeToWebConnectionType(prefs.connection_type)); 335 settings->setPinchVirtualViewportEnabled( 336 prefs.pinch_virtual_viewport_enabled); 337 338 settings->setPinchOverlayScrollbarThickness( 339 prefs.pinch_overlay_scrollbar_thickness); 340 settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars); 341 settings->setCompositorTouchHitTesting(prefs.compositor_touch_hit_testing); 342 } 343 344 } // namespace content 345
