content/public/common/web_preferences.h

   1 // Copyright 2014 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 #ifndef CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_
   6 #define CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_
   7
   8 #include <map>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/strings/string16.h"
  13 #include "content/common/content_export.h"
  14 #include "net/base/network_change_notifier.h"
  15 #include "ui/base/touch/touch_device.h"
  16 #include "url/gurl.h"
  17
  18 namespace blink {
  19 class WebView;
  20 }
  21
  22 namespace content {
  23
  24 // Map of ISO 15924 four-letter script code to font family.  For example,
  25 // "Arab" to "My Arabic Font".
  26 typedef std::map<std::string, base::string16> ScriptFontFamilyMap;
  27
  28 enum EditingBehavior {
  29   EDITING_BEHAVIOR_MAC,
  30   EDITING_BEHAVIOR_WIN,
  31   EDITING_BEHAVIOR_UNIX,
  32   EDITING_BEHAVIOR_ANDROID,
  33   EDITING_BEHAVIOR_LAST = EDITING_BEHAVIOR_ANDROID
  34 };
  35
  36 // Cache options for V8. See V8CacheOptions.h for information on the options.
  37 enum V8CacheOptions {
  38   V8_CACHE_OPTIONS_DEFAULT,
  39   V8_CACHE_OPTIONS_NONE,
  40   V8_CACHE_OPTIONS_PARSE,
  41   V8_CACHE_OPTIONS_CODE,
  42   V8_CACHE_OPTIONS_LAST = V8_CACHE_OPTIONS_CODE
  43 };
  44
  45 // ImageAnimationPolicy is used for controlling image animation
  46 // when image frame is rendered for animation.
  47 // See third_party/WebKit/Source/platform/graphics/ImageAnimationPolicy.h
  48 // for information on the options.
  49 enum ImageAnimationPolicy {
  50   IMAGE_ANIMATION_POLICY_ALLOWED,
  51   IMAGE_ANIMATION_POLICY_ANIMATION_ONCE,
  52   IMAGE_ANIMATION_POLICY_NO_ANIMATION
  53 };
  54
  55 // The ISO 15924 script code for undetermined script aka Common. It's the
  56 // default used on WebKit's side to get/set a font setting when no script is
  57 // specified.
  58 CONTENT_EXPORT extern const char kCommonScript[];
  59
  60 // A struct for managing blink's settings.
  61 //
  62 // Adding new values to this class probably involves updating
  63 // blink::WebSettings, content/common/view_messages.h, browser/tab_contents/
  64 // render_view_host_delegate_helper.cc, and browser/profiles/profile.cc.
  65 struct CONTENT_EXPORT WebPreferences {
  66   ScriptFontFamilyMap standard_font_family_map;
  67   ScriptFontFamilyMap fixed_font_family_map;
  68   ScriptFontFamilyMap serif_font_family_map;
  69   ScriptFontFamilyMap sans_serif_font_family_map;
  70   ScriptFontFamilyMap cursive_font_family_map;
  71   ScriptFontFamilyMap fantasy_font_family_map;
  72   ScriptFontFamilyMap pictograph_font_family_map;
  73   int default_font_size;
  74   int default_fixed_font_size;
  75   int minimum_font_size;
  76   int minimum_logical_font_size;
  77   std::string default_encoding;
  78   bool context_menu_on_mouse_up;
  79   bool javascript_enabled;
  80   bool web_security_enabled;
  81   bool javascript_can_open_windows_automatically;
  82   bool loads_images_automatically;
  83   bool images_enabled;
  84   bool plugins_enabled;
  85   bool dom_paste_enabled;
  86   bool shrinks_standalone_images_to_fit;
  87   bool uses_universal_detector;
  88   bool text_areas_are_resizable;
  89   bool java_enabled;
  90   bool allow_scripts_to_close_windows;
  91   bool remote_fonts_enabled;
  92   bool javascript_can_access_clipboard;
  93   bool xslt_enabled;
  94   bool xss_auditor_enabled;
  95   // We don't use dns_prefetching_enabled to disable DNS prefetching.  Instead,
  96   // we disable the feature at a lower layer so that we catch non-WebKit uses
  97   // of DNS prefetch as well.
  98   bool dns_prefetching_enabled;
  99   bool local_storage_enabled;
 100   bool databases_enabled;
 101   bool application_cache_enabled;
 102   bool tabs_to_links;
 103   bool caret_browsing_enabled;
 104   bool hyperlink_auditing_enabled;
 105   bool is_online;
 106   net::NetworkChangeNotifier::ConnectionType connection_type;
 107   bool allow_universal_access_from_file_urls;
 108   bool allow_file_access_from_file_urls;
 109   bool webaudio_enabled;
 110   bool experimental_webgl_enabled;
 111   bool pepper_3d_enabled;
 112   bool flash_3d_enabled;
 113   bool flash_stage3d_enabled;
 114   bool flash_stage3d_baseline_enabled;
 115   bool gl_multisampling_enabled;
 116   bool privileged_webgl_extensions_enabled;
 117   bool webgl_errors_to_console_enabled;
 118   bool mock_scrollbars_enabled;
 119   bool asynchronous_spell_checking_enabled;
 120   bool unified_textchecker_enabled;
 121   bool accelerated_2d_canvas_enabled;
 122   int minimum_accelerated_2d_canvas_size;
 123   bool antialiased_2d_canvas_disabled;
 124   bool antialiased_clips_2d_canvas_enabled;
 125   int accelerated_2d_canvas_msaa_sample_count;
 126   bool accelerated_filters_enabled;
 127   bool deferred_filters_enabled;
 128   bool container_culling_enabled;
 129   bool allow_displaying_insecure_content;
 130   bool allow_running_insecure_content;
 131   // If true, taints all <canvas> elements, regardless of origin.
 132   bool disable_reading_from_canvas;
 133   // Strict mixed content checking disables both displaying and running insecure
 134   // mixed content, and disables embedder notifications that such content was
 135   // requested (thereby preventing user override).
 136   bool strict_mixed_content_checking;
 137   // Strict powerful feature restrictions block insecure usage of powerful
 138   // features (like geolocation) that we haven't yet disabled for the web at
 139   // large.
 140   bool strict_powerful_feature_restrictions;
 141   // Disallow user opt-in for blockable mixed content.
 142   bool strictly_block_blockable_mixed_content;
 143   bool block_mixed_plugin_content;
 144   bool password_echo_enabled;
 145   bool should_print_backgrounds;
 146   bool should_clear_document_background;
 147   bool enable_scroll_animator;
 148   bool css_variables_enabled;
 149   bool touch_enabled;
 150   // TODO(mustaq): Nuke when the new API is ready
 151   bool device_supports_touch;
 152   // TODO(mustaq): Nuke when the new API is ready
 153   bool device_supports_mouse;
 154   bool touch_adjustment_enabled;
 155   int pointer_events_max_touch_points;
 156   int available_pointer_types;
 157   ui::PointerType primary_pointer_type;
 158   int available_hover_types;
 159   ui::HoverType primary_hover_type;
 160   bool sync_xhr_in_documents_enabled;
 161   bool image_color_profiles_enabled;
 162   bool should_respect_image_orientation;
 163   int number_of_cpu_cores;
 164   EditingBehavior editing_behavior;
 165   bool supports_multiple_windows;
 166   bool viewport_enabled;
 167   bool viewport_meta_enabled;
 168   bool main_frame_resizes_are_orientation_changes;
 169   bool initialize_at_minimum_page_scale;
 170   bool smart_insert_delete_enabled;
 171   bool spatial_navigation_enabled;
 172   bool invert_viewport_scroll_order;
 173   int pinch_overlay_scrollbar_thickness;
 174   bool use_solid_color_scrollbars;
 175   bool navigate_on_drag_drop;
 176   V8CacheOptions v8_cache_options;
 177   bool slimming_paint_enabled;
 178   bool slimming_paint_v2_enabled;
 179
 180   // This flags corresponds to a Page's Settings' setCookieEnabled state. It
 181   // only controls whether or not the "document.cookie" field is properly
 182   // connected to the backing store, for instance if you wanted to be able to
 183   // define custom getters and setters from within a unique security content
 184   // without raising a DOM security exception.
 185   bool cookie_enabled;
 186
 187   // This flag indicates whether H/W accelerated video decode is enabled for
 188   // pepper plugins. Defaults to false.
 189   bool pepper_accelerated_video_decode_enabled;
 190
 191   ImageAnimationPolicy animation_policy;
 192
 193 #if defined(OS_ANDROID)
 194   bool text_autosizing_enabled;
 195   float font_scale_factor;
 196   float device_scale_adjustment;
 197   bool force_enable_zoom;
 198   bool fullscreen_supported;
 199   bool double_tap_to_zoom_enabled;
 200   bool user_gesture_required_for_media_playback;
 201   GURL default_video_poster_url;
 202   bool support_deprecated_target_density_dpi;
 203   bool use_legacy_background_size_shorthand_behavior;
 204   bool wide_viewport_quirk;
 205   bool use_wide_viewport;
 206   bool force_zero_layout_height;
 207   bool viewport_meta_layout_size_quirk;
 208   bool viewport_meta_merge_content_quirk;
 209   bool viewport_meta_non_user_scalable_quirk;
 210   bool viewport_meta_zero_values_quirk;
 211   bool clobber_user_agent_initial_scale_quirk;
 212   bool ignore_main_frame_overflow_hidden_quirk;
 213   bool report_screen_size_in_physical_pixels_quirk;
 214 #endif
 215
 216   // Default (used if the page or UA doesn't override these) values for page
 217   // scale limits. These are set directly on the WebView so there's no analogue
 218   // in WebSettings.
 219   float default_minimum_page_scale_factor;
 220   float default_maximum_page_scale_factor;
 221
 222   // We try to keep the default values the same as the default values in
 223   // chrome, except for the cases where it would require lots of extra work for
 224   // the embedder to use the same default value.
 225   WebPreferences();
 226   ~WebPreferences();
 227 };
 228
 229 }  // namespace content
 230
 231 #endif  // CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_