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 "webkit/renderer/webpreferences_renderer.h" 6 7#include "base/strings/utf_string_conversions.h" 8#include "third_party/WebKit/public/web/WebKit.h" 9#include "third_party/WebKit/public/web/WebNetworkStateNotifier.h" 10#include "third_party/WebKit/public/web/WebRuntimeFeatures.h" 11#include "third_party/WebKit/public/web/WebSettings.h" 12#include "third_party/WebKit/public/web/WebView.h" 13#include "third_party/WebKit/public/platform/WebString.h" 14#include "third_party/WebKit/public/platform/WebURL.h" 15#include "third_party/icu/source/common/unicode/uchar.h" 16#include "third_party/icu/source/common/unicode/uscript.h" 17#include "webkit/common/webpreferences.h" 18 19using WebKit::WebNetworkStateNotifier; 20using WebKit::WebRuntimeFeatures; 21using WebKit::WebSettings; 22using WebKit::WebString; 23using WebKit::WebURL; 24using WebKit::WebView; 25 26namespace { 27 28typedef void (*SetFontFamilyWrapper)( 29 WebKit::WebSettings*, const base::string16&, UScriptCode); 30 31void setStandardFontFamilyWrapper(WebSettings* settings, 32 const base::string16& font, 33 UScriptCode script) { 34 settings->setStandardFontFamily(font, script); 35} 36 37void setFixedFontFamilyWrapper(WebSettings* settings, 38 const base::string16& font, 39 UScriptCode script) { 40 settings->setFixedFontFamily(font, script); 41} 42 43void setSerifFontFamilyWrapper(WebSettings* settings, 44 const base::string16& font, 45 UScriptCode script) { 46 settings->setSerifFontFamily(font, script); 47} 48 49void setSansSerifFontFamilyWrapper(WebSettings* settings, 50 const base::string16& font, 51 UScriptCode script) { 52 settings->setSansSerifFontFamily(font, script); 53} 54 55void setCursiveFontFamilyWrapper(WebSettings* settings, 56 const base::string16& font, 57 UScriptCode script) { 58 settings->setCursiveFontFamily(font, script); 59} 60 61void setFantasyFontFamilyWrapper(WebSettings* settings, 62 const base::string16& font, 63 UScriptCode script) { 64 settings->setFantasyFontFamily(font, script); 65} 66 67void setPictographFontFamilyWrapper(WebSettings* settings, 68 const base::string16& font, 69 UScriptCode script) { 70 settings->setPictographFontFamily(font, script); 71} 72 73// If |scriptCode| is a member of a family of "similar" script codes, returns 74// the script code in that family that is used by WebKit for font selection 75// purposes. For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are 76// considered equivalent for the purposes of font selection. WebKit uses the 77// script code USCRIPT_KATAKANA_OR_HIRAGANA. So, if |scriptCode| is 78// USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA. WebKit 79// uses different scripts than the ones in Chrome pref names because the version 80// of ICU included on certain ports does not have some of the newer scripts. If 81// |scriptCode| is not a member of such a family, returns |scriptCode|. 82UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) { 83 switch (scriptCode) { 84 case USCRIPT_HIRAGANA: 85 case USCRIPT_KATAKANA: 86 case USCRIPT_JAPANESE: 87 return USCRIPT_KATAKANA_OR_HIRAGANA; 88 case USCRIPT_KOREAN: 89 return USCRIPT_HANGUL; 90 default: 91 return scriptCode; 92 } 93} 94 95void ApplyFontsFromMap(const webkit_glue::ScriptFontFamilyMap& map, 96 SetFontFamilyWrapper setter, 97 WebSettings* settings) { 98 for (webkit_glue::ScriptFontFamilyMap::const_iterator it = map.begin(); 99 it != map.end(); ++it) { 100 int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str()); 101 if (script >= 0 && script < USCRIPT_CODE_LIMIT) { 102 UScriptCode code = static_cast<UScriptCode>(script); 103 (*setter)(settings, it->second, GetScriptForWebSettings(code)); 104 } 105 } 106} 107 108} // namespace 109 110namespace webkit_glue { 111 112void ApplyWebPreferences(const WebPreferences& prefs, WebView* web_view) { 113 WebSettings* settings = web_view->settings(); 114 ApplyFontsFromMap(prefs.standard_font_family_map, 115 setStandardFontFamilyWrapper, settings); 116 ApplyFontsFromMap(prefs.fixed_font_family_map, 117 setFixedFontFamilyWrapper, settings); 118 ApplyFontsFromMap(prefs.serif_font_family_map, 119 setSerifFontFamilyWrapper, settings); 120 ApplyFontsFromMap(prefs.sans_serif_font_family_map, 121 setSansSerifFontFamilyWrapper, settings); 122 ApplyFontsFromMap(prefs.cursive_font_family_map, 123 setCursiveFontFamilyWrapper, settings); 124 ApplyFontsFromMap(prefs.fantasy_font_family_map, 125 setFantasyFontFamilyWrapper, settings); 126 ApplyFontsFromMap(prefs.pictograph_font_family_map, 127 setPictographFontFamilyWrapper, settings); 128 settings->setDefaultFontSize(prefs.default_font_size); 129 settings->setDefaultFixedFontSize(prefs.default_fixed_font_size); 130 settings->setMinimumFontSize(prefs.minimum_font_size); 131 settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size); 132 settings->setDefaultTextEncodingName(ASCIIToUTF16(prefs.default_encoding)); 133 settings->setJavaScriptEnabled(prefs.javascript_enabled); 134 settings->setWebSecurityEnabled(prefs.web_security_enabled); 135 settings->setJavaScriptCanOpenWindowsAutomatically( 136 prefs.javascript_can_open_windows_automatically); 137 settings->setLoadsImagesAutomatically(prefs.loads_images_automatically); 138 settings->setImagesEnabled(prefs.images_enabled); 139 settings->setPluginsEnabled(prefs.plugins_enabled); 140 settings->setDOMPasteAllowed(prefs.dom_paste_enabled); 141 settings->setNeedsSiteSpecificQuirks(prefs.site_specific_quirks_enabled); 142 settings->setShrinksStandaloneImagesToFit( 143 prefs.shrinks_standalone_images_to_fit); 144 settings->setUsesEncodingDetector(prefs.uses_universal_detector); 145 settings->setTextAreasAreResizable(prefs.text_areas_are_resizable); 146 settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows); 147 if (prefs.user_style_sheet_enabled) 148 settings->setUserStyleSheetLocation(prefs.user_style_sheet_location); 149 else 150 settings->setUserStyleSheetLocation(WebURL()); 151 settings->setAuthorAndUserStylesEnabled(prefs.author_and_user_styles_enabled); 152 settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled); 153 settings->setJavaScriptCanAccessClipboard( 154 prefs.javascript_can_access_clipboard); 155 settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled); 156 settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled); 157 settings->setLocalStorageEnabled(prefs.local_storage_enabled); 158 settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled); 159 WebRuntimeFeatures::enableDatabase(prefs.databases_enabled); 160 settings->setOfflineWebApplicationCacheEnabled( 161 prefs.application_cache_enabled); 162 settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled); 163 settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled); 164 settings->setCookieEnabled(prefs.cookie_enabled); 165 166 // This setting affects the behavior of links in an editable region: 167 // clicking the link should select it rather than navigate to it. 168 // Safari uses the same default. It is unlikley an embedder would want to 169 // change this, since it would break existing rich text editors. 170 settings->setEditableLinkBehaviorNeverLive(); 171 172 settings->setJavaEnabled(prefs.java_enabled); 173 174 // By default, allow_universal_access_from_file_urls is set to false and thus 175 // we mitigate attacks from local HTML files by not granting file:// URLs 176 // universal access. Only test shell will enable this. 177 settings->setAllowUniversalAccessFromFileURLs( 178 prefs.allow_universal_access_from_file_urls); 179 settings->setAllowFileAccessFromFileURLs( 180 prefs.allow_file_access_from_file_urls); 181 182 // Enable the web audio API if requested on the command line. 183 settings->setWebAudioEnabled(prefs.webaudio_enabled); 184 185 // Enable experimental WebGL support if requested on command line 186 // and support is compiled in. 187 settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled); 188 189 // Disable GL multisampling if requested on command line. 190 settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled); 191 192 // Enable privileged WebGL extensions for Chrome extensions or if requested 193 // on command line. 194 settings->setPrivilegedWebGLExtensionsEnabled( 195 prefs.privileged_webgl_extensions_enabled); 196 197 // Enable WebGL errors to the JS console if requested. 198 settings->setWebGLErrorsToConsoleEnabled( 199 prefs.webgl_errors_to_console_enabled); 200 201 // Enables accelerated compositing for overflow scroll. 202 settings->setAcceleratedCompositingForOverflowScrollEnabled( 203 prefs.accelerated_compositing_for_overflow_scroll_enabled); 204 205 // Enables accelerated compositing for scrollable frames if requested on 206 // command line. 207 settings->setAcceleratedCompositingForScrollableFramesEnabled( 208 prefs.accelerated_compositing_for_scrollable_frames_enabled); 209 210 // Enables composited scrolling for frames if requested on command line. 211 settings->setCompositedScrollingForFramesEnabled( 212 prefs.composited_scrolling_for_frames_enabled); 213 214 // Uses the mock theme engine for scrollbars. 215 settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled); 216 217 settings->setThreadedHTMLParser(prefs.threaded_html_parser); 218 219 // Display visualization of what has changed on the screen using an 220 // overlay of rects, if requested on the command line. 221 settings->setShowPaintRects(prefs.show_paint_rects); 222 223 // Enable gpu-accelerated compositing if requested on the command line. 224 settings->setAcceleratedCompositingEnabled( 225 prefs.accelerated_compositing_enabled); 226 227 // Enable gpu-accelerated 2d canvas if requested on the command line. 228 settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled); 229 230 settings->setMinimumAccelerated2dCanvasSize( 231 prefs.minimum_accelerated_2d_canvas_size); 232 233 // Disable antialiasing for 2d canvas if requested on the command line. 234 settings->setAntialiased2dCanvasEnabled( 235 !prefs.antialiased_2d_canvas_disabled); 236 237 // Enable gpu-accelerated filters if requested on the command line. 238 settings->setAcceleratedFiltersEnabled(prefs.accelerated_filters_enabled); 239 240 // Enable gesture tap highlight if requested on the command line. 241 settings->setGestureTapHighlightEnabled(prefs.gesture_tap_highlight_enabled); 242 243 // Enabling accelerated layers from the command line enabled accelerated 244 // 3D CSS, Video, and Animations. 245 settings->setAcceleratedCompositingFor3DTransformsEnabled( 246 prefs.accelerated_compositing_for_3d_transforms_enabled); 247 settings->setAcceleratedCompositingForVideoEnabled( 248 prefs.accelerated_compositing_for_video_enabled); 249 settings->setAcceleratedCompositingForAnimationEnabled( 250 prefs.accelerated_compositing_for_animation_enabled); 251 252 // Enabling accelerated plugins if specified from the command line. 253 settings->setAcceleratedCompositingForPluginsEnabled( 254 prefs.accelerated_compositing_for_plugins_enabled); 255 256 // WebGL and accelerated 2D canvas are always gpu composited. 257 settings->setAcceleratedCompositingForCanvasEnabled( 258 prefs.experimental_webgl_enabled || prefs.accelerated_2d_canvas_enabled); 259 260 // Enable memory info reporting to page if requested on the command line. 261 settings->setMemoryInfoEnabled(prefs.memory_info_enabled); 262 263 settings->setAsynchronousSpellCheckingEnabled( 264 prefs.asynchronous_spell_checking_enabled); 265 settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled); 266 267 for (webkit_glue::WebInspectorPreferences::const_iterator it = 268 prefs.inspector_settings.begin(); 269 it != prefs.inspector_settings.end(); ++it) 270 web_view->setInspectorSetting(WebString::fromUTF8(it->first), 271 WebString::fromUTF8(it->second)); 272 273 // Tabs to link is not part of the settings. WebCore calls 274 // ChromeClient::tabsToLinks which is part of the glue code. 275 web_view->setTabsToLinks(prefs.tabs_to_links); 276 277 settings->setFullScreenEnabled(prefs.fullscreen_enabled); 278 settings->setAllowDisplayOfInsecureContent( 279 prefs.allow_displaying_insecure_content); 280 settings->setAllowRunningOfInsecureContent( 281 prefs.allow_running_insecure_content); 282 settings->setPasswordEchoEnabled(prefs.password_echo_enabled); 283 settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds); 284 settings->setShouldClearDocumentBackground( 285 prefs.should_clear_document_background); 286 settings->setEnableScrollAnimator(prefs.enable_scroll_animator); 287 settings->setVisualWordMovementEnabled(prefs.visual_word_movement_enabled); 288 289 settings->setCSSStickyPositionEnabled(prefs.css_sticky_position_enabled); 290 settings->setExperimentalCSSCustomFilterEnabled(prefs.css_shaders_enabled); 291 settings->setRegionBasedColumnsEnabled(prefs.region_based_columns_enabled); 292 293 WebRuntimeFeatures::enableLazyLayout(prefs.lazy_layout_enabled); 294 WebRuntimeFeatures::enableTouch(prefs.touch_enabled); 295 settings->setDeviceSupportsTouch(prefs.device_supports_touch); 296 settings->setDeviceSupportsMouse(prefs.device_supports_mouse); 297 settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled); 298 299 settings->setFixedPositionCreatesStackingContext( 300 prefs.fixed_position_creates_stacking_context); 301 302 settings->setDeferredImageDecodingEnabled( 303 prefs.deferred_image_decoding_enabled); 304 settings->setShouldRespectImageOrientation( 305 prefs.should_respect_image_orientation); 306 307 settings->setUnsafePluginPastingEnabled(false); 308 settings->setEditingBehavior( 309 static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior)); 310 311 settings->setSupportsMultipleWindows(prefs.supports_multiple_windows); 312 313 settings->setViewportEnabled(prefs.viewport_enabled); 314 settings->setInitializeAtMinimumPageScale( 315 prefs.initialize_at_minimum_page_scale); 316 317 settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled); 318 319 settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled); 320 321 settings->setSelectionIncludesAltImageText(true); 322 323#if defined(OS_ANDROID) 324 settings->setAllowCustomScrollbarInMainFrame(false); 325 settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled); 326 settings->setTextAutosizingFontScaleFactor(prefs.font_scale_factor); 327 web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom); 328 settings->setAutoZoomFocusedNodeToLegibleScale(true); 329 settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled); 330 settings->setMediaPlaybackRequiresUserGesture( 331 prefs.user_gesture_required_for_media_playback); 332 settings->setDefaultVideoPosterURL( 333 ASCIIToUTF16(prefs.default_video_poster_url.spec())); 334 settings->setSupportDeprecatedTargetDensityDPI( 335 prefs.support_deprecated_target_density_dpi); 336 settings->setUseLegacyBackgroundSizeShorthandBehavior( 337 prefs.use_legacy_background_size_shorthand_behavior); 338 settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk); 339 settings->setUseWideViewport(prefs.use_wide_viewport); 340 settings->setViewportMetaLayoutSizeQuirk( 341 prefs.viewport_meta_layout_size_quirk); 342 settings->setViewportMetaMergeQuirk(prefs.viewport_meta_merge_quirk); 343 settings->setViewportMetaZeroValuesQuirk( 344 prefs.viewport_meta_zero_values_quirk); 345 settings->setIgnoreMainFrameOverflowHiddenQuirk( 346 prefs.ignore_main_frame_overflow_hidden_quirk); 347 settings->setReportScreenSizeInPhysicalPixelsQuirk( 348 prefs.report_screen_size_in_physical_pixels_quirk); 349#endif 350 351 WebNetworkStateNotifier::setOnLine(prefs.is_online); 352 settings->setExperimentalWebSocketEnabled( 353 prefs.experimental_websocket_enabled); 354 settings->setPinchVirtualViewportEnabled( 355 prefs.pinch_virtual_viewport_enabled); 356 357 settings->setPinchOverlayScrollbarThickness( 358 prefs.pinch_overlay_scrollbar_thickness); 359 settings->setCompositorTouchHitTesting(prefs.compositor_touch_hit_testing); 360} 361 362 363} // namespace webkit_glue 364