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// Copyright (c) 2011 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.
#include "webkit/glue/webpreferences.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebRuntimeFeatures.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebKit.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebSettings.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
#include "webkit/glue/webkit_glue.h"
using WebKit::WebRuntimeFeatures;
using WebKit::WebSettings;
using WebKit::WebString;
using WebKit::WebURL;
using WebKit::WebView;
WebPreferences::WebPreferences()
: standard_font_family(ASCIIToUTF16("Times New Roman")),
fixed_font_family(ASCIIToUTF16("Courier New")),
serif_font_family(ASCIIToUTF16("Times New Roman")),
sans_serif_font_family(ASCIIToUTF16("Arial")),
cursive_font_family(ASCIIToUTF16("Script")),
fantasy_font_family(), // Not sure what to use on Windows.
default_font_size(16),
default_fixed_font_size(13),
minimum_font_size(0),
minimum_logical_font_size(6),
default_encoding("ISO-8859-1"),
javascript_enabled(true),
web_security_enabled(true),
javascript_can_open_windows_automatically(true),
loads_images_automatically(true),
plugins_enabled(true),
dom_paste_enabled(false), // enables execCommand("paste")
developer_extras_enabled(false), // Requires extra work by embedder
site_specific_quirks_enabled(false),
shrinks_standalone_images_to_fit(true),
uses_universal_detector(false), // Disabled: page cycler regression
text_areas_are_resizable(true),
java_enabled(true),
allow_scripts_to_close_windows(false),
uses_page_cache(false),
remote_fonts_enabled(true),
javascript_can_access_clipboard(false),
xss_auditor_enabled(false),
local_storage_enabled(false),
databases_enabled(false),
application_cache_enabled(false),
tabs_to_links(true),
caret_browsing_enabled(false),
hyperlink_auditing_enabled(true),
user_style_sheet_enabled(false),
author_and_user_styles_enabled(true),
frame_flattening_enabled(false),
allow_universal_access_from_file_urls(false),
allow_file_access_from_file_urls(false),
webaudio_enabled(false),
experimental_webgl_enabled(false),
gl_multisampling_enabled(true),
show_composited_layer_borders(false),
show_composited_layer_tree(false),
show_fps_counter(false),
asynchronous_spell_checking_enabled(true),
accelerated_compositing_enabled(false),
force_compositing_mode(false),
composite_to_texture_enabled(false),
accelerated_layers_enabled(false),
accelerated_video_enabled(false),
accelerated_2d_canvas_enabled(false),
accelerated_drawing_enabled(false),
accelerated_plugins_enabled(false),
memory_info_enabled(false),
interactive_form_validation_enabled(true),
fullscreen_enabled(false) {
}
WebPreferences::~WebPreferences() {
}
void WebPreferences::Apply(WebView* web_view) const {
WebSettings* settings = web_view->settings();
settings->setStandardFontFamily(standard_font_family);
settings->setFixedFontFamily(fixed_font_family);
settings->setSerifFontFamily(serif_font_family);
settings->setSansSerifFontFamily(sans_serif_font_family);
settings->setCursiveFontFamily(cursive_font_family);
settings->setFantasyFontFamily(fantasy_font_family);
settings->setDefaultFontSize(default_font_size);
settings->setDefaultFixedFontSize(default_fixed_font_size);
settings->setMinimumFontSize(minimum_font_size);
settings->setMinimumLogicalFontSize(minimum_logical_font_size);
settings->setDefaultTextEncodingName(ASCIIToUTF16(default_encoding));
settings->setJavaScriptEnabled(javascript_enabled);
settings->setWebSecurityEnabled(web_security_enabled);
settings->setJavaScriptCanOpenWindowsAutomatically(
javascript_can_open_windows_automatically);
settings->setLoadsImagesAutomatically(loads_images_automatically);
settings->setPluginsEnabled(plugins_enabled);
settings->setDOMPasteAllowed(dom_paste_enabled);
settings->setDeveloperExtrasEnabled(developer_extras_enabled);
settings->setNeedsSiteSpecificQuirks(site_specific_quirks_enabled);
settings->setShrinksStandaloneImagesToFit(shrinks_standalone_images_to_fit);
settings->setUsesEncodingDetector(uses_universal_detector);
settings->setTextAreasAreResizable(text_areas_are_resizable);
settings->setAllowScriptsToCloseWindows(allow_scripts_to_close_windows);
if (user_style_sheet_enabled)
settings->setUserStyleSheetLocation(user_style_sheet_location);
else
settings->setUserStyleSheetLocation(WebURL());
settings->setAuthorAndUserStylesEnabled(author_and_user_styles_enabled);
settings->setUsesPageCache(uses_page_cache);
settings->setDownloadableBinaryFontsEnabled(remote_fonts_enabled);
settings->setJavaScriptCanAccessClipboard(javascript_can_access_clipboard);
settings->setXSSAuditorEnabled(xss_auditor_enabled);
settings->setLocalStorageEnabled(local_storage_enabled);
WebRuntimeFeatures::enableDatabase(
WebRuntimeFeatures::isDatabaseEnabled() || databases_enabled);
settings->setOfflineWebApplicationCacheEnabled(application_cache_enabled);
settings->setCaretBrowsingEnabled(caret_browsing_enabled);
settings->setHyperlinkAuditingEnabled(hyperlink_auditing_enabled);
// This setting affects the behavior of links in an editable region:
// clicking the link should select it rather than navigate to it.
// Safari uses the same default. It is unlikley an embedder would want to
// change this, since it would break existing rich text editors.
settings->setEditableLinkBehaviorNeverLive();
settings->setFrameFlatteningEnabled(frame_flattening_enabled);
settings->setFontRenderingModeNormal();
settings->setJavaEnabled(java_enabled);
// Turn this on to cause WebCore to paint the resize corner for us.
settings->setShouldPaintCustomScrollbars(true);
// By default, allow_universal_access_from_file_urls is set to false and thus
// we mitigate attacks from local HTML files by not granting file:// URLs
// universal access. Only test shell will enable this.
settings->setAllowUniversalAccessFromFileURLs(
allow_universal_access_from_file_urls);
settings->setAllowFileAccessFromFileURLs(allow_file_access_from_file_urls);
// We prevent WebKit from checking if it needs to add a "text direction"
// submenu to a context menu. it is not only because we don't need the result
// but also because it cause a possible crash in Editor::hasBidiSelection().
settings->setTextDirectionSubmenuInclusionBehaviorNeverIncluded();
// Enable the web audio API if requested on the command line.
settings->setWebAudioEnabled(webaudio_enabled);
// Enable experimental WebGL support if requested on command line
// and support is compiled in.
settings->setExperimentalWebGLEnabled(experimental_webgl_enabled);
// Disable GL multisampling if requested on command line.
settings->setOpenGLMultisamplingEnabled(gl_multisampling_enabled);
// Display colored borders around composited render layers if requested
// on command line.
settings->setShowDebugBorders(show_composited_layer_borders);
// Display an FPS indicator if requested on the command line.
settings->setShowFPSCounter(show_fps_counter);
// Display the current compositor tree as overlay if requested on
// the command line
settings->setShowPlatformLayerTree(show_composited_layer_tree);
// Enable gpu-accelerated compositing if requested on the command line.
settings->setAcceleratedCompositingEnabled(accelerated_compositing_enabled);
// Always enter compositing if requested on the command line.
settings->setForceCompositingMode(force_compositing_mode);
// Enable composite to offscreen texture if requested on the command line.
settings->setCompositeToTextureEnabled(composite_to_texture_enabled);
// Enable gpu-accelerated 2d canvas if requested on the command line.
settings->setAccelerated2dCanvasEnabled(accelerated_2d_canvas_enabled);
// Enable gpu-accelerated drawing if requested on the command line.
settings->setAcceleratedDrawingEnabled(accelerated_drawing_enabled);
// Enabling accelerated layers from the command line enabled accelerated
// 3D CSS, Video, and Animations.
settings->setAcceleratedCompositingFor3DTransformsEnabled(
accelerated_layers_enabled);
settings->setAcceleratedCompositingForVideoEnabled(
accelerated_video_enabled);
settings->setAcceleratedCompositingForAnimationEnabled(
accelerated_layers_enabled);
// Enabling accelerated plugins if specified from the command line.
settings->setAcceleratedCompositingForPluginsEnabled(
accelerated_plugins_enabled);
// WebGL and accelerated 2D canvas are always gpu composited.
settings->setAcceleratedCompositingForCanvasEnabled(
experimental_webgl_enabled || accelerated_2d_canvas_enabled);
// Enable memory info reporting to page if requested on the command line.
settings->setMemoryInfoEnabled(memory_info_enabled);
settings->setAsynchronousSpellCheckingEnabled(
asynchronous_spell_checking_enabled);
for (WebInspectorPreferences::const_iterator it = inspector_settings.begin();
it != inspector_settings.end(); ++it)
web_view->setInspectorSetting(WebString::fromUTF8(it->first),
WebString::fromUTF8(it->second));
// Tabs to link is not part of the settings. WebCore calls
// ChromeClient::tabsToLinks which is part of the glue code.
web_view->setTabsToLinks(tabs_to_links);
settings->setInteractiveFormValidationEnabled(
interactive_form_validation_enabled);
settings->setFullScreenEnabled(fullscreen_enabled);
}
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