web_preferences.h revision 03b57e008b61dfcb1fbad3aea950ae0e001748b0 
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 "url/gurl.h"
16
17namespace blink {
18class WebView;
19}
20
21namespace content {
22
23// Map of ISO 15924 four-letter script code to font family.  For example,
24// "Arab" to "My Arabic Font".
25typedef std::map<std::string, base::string16> ScriptFontFamilyMap;
26
27enum EditingBehavior {
28  EDITING_BEHAVIOR_MAC,
29  EDITING_BEHAVIOR_WIN,
30  EDITING_BEHAVIOR_UNIX,
31  EDITING_BEHAVIOR_ANDROID,
32  EDITING_BEHAVIOR_LAST = EDITING_BEHAVIOR_ANDROID
33};
34
35enum V8CacheOptions {
36  V8_CACHE_OPTIONS_OFF,
37  V8_CACHE_OPTIONS_PARSE,
38  V8_CACHE_OPTIONS_CODE,
39  V8_CACHE_OPTIONS_LAST = V8_CACHE_OPTIONS_CODE
40};
41
42// The ISO 15924 script code for undetermined script aka Common. It's the
43// default used on WebKit's side to get/set a font setting when no script is
44// specified.
45CONTENT_EXPORT extern const char kCommonScript[];
46
47// A struct for managing blink's settings.
48//
49// Adding new values to this class probably involves updating
50// blink::WebSettings, content/common/view_messages.h, browser/tab_contents/
51// render_view_host_delegate_helper.cc, and browser/profiles/profile.cc.
52struct CONTENT_EXPORT WebPreferences {
53  ScriptFontFamilyMap standard_font_family_map;
54  ScriptFontFamilyMap fixed_font_family_map;
55  ScriptFontFamilyMap serif_font_family_map;
56  ScriptFontFamilyMap sans_serif_font_family_map;
57  ScriptFontFamilyMap cursive_font_family_map;
58  ScriptFontFamilyMap fantasy_font_family_map;
59  ScriptFontFamilyMap pictograph_font_family_map;
60  int default_font_size;
61  int default_fixed_font_size;
62  int minimum_font_size;
63  int minimum_logical_font_size;
64  std::string default_encoding;
65  bool javascript_enabled;
66  bool web_security_enabled;
67  bool javascript_can_open_windows_automatically;
68  bool loads_images_automatically;
69  bool images_enabled;
70  bool plugins_enabled;
71  bool dom_paste_enabled;
72  bool shrinks_standalone_images_to_fit;
73  bool uses_universal_detector;
74  bool text_areas_are_resizable;
75  bool java_enabled;
76  bool allow_scripts_to_close_windows;
77  bool remote_fonts_enabled;
78  bool javascript_can_access_clipboard;
79  bool xslt_enabled;
80  bool xss_auditor_enabled;
81  // We don't use dns_prefetching_enabled to disable DNS prefetching.  Instead,
82  // we disable the feature at a lower layer so that we catch non-WebKit uses
83  // of DNS prefetch as well.
84  bool dns_prefetching_enabled;
85  bool local_storage_enabled;
86  bool databases_enabled;
87  bool application_cache_enabled;
88  bool tabs_to_links;
89  bool caret_browsing_enabled;
90  bool hyperlink_auditing_enabled;
91  bool is_online;
92  net::NetworkChangeNotifier::ConnectionType connection_type;
93  bool allow_universal_access_from_file_urls;
94  bool allow_file_access_from_file_urls;
95  bool webaudio_enabled;
96  bool experimental_webgl_enabled;
97  bool pepper_3d_enabled;
98  bool flash_3d_enabled;
99  bool flash_stage3d_enabled;
100  bool flash_stage3d_baseline_enabled;
101  bool gl_multisampling_enabled;
102  bool privileged_webgl_extensions_enabled;
103  bool webgl_errors_to_console_enabled;
104  bool mock_scrollbars_enabled;
105  bool layer_squashing_enabled;
106  bool asynchronous_spell_checking_enabled;
107  bool unified_textchecker_enabled;
108  bool accelerated_2d_canvas_enabled;
109  int minimum_accelerated_2d_canvas_size;
110  bool antialiased_2d_canvas_disabled;
111  int accelerated_2d_canvas_msaa_sample_count;
112  bool accelerated_filters_enabled;
113  bool deferred_filters_enabled;
114  bool container_culling_enabled;
115  bool allow_displaying_insecure_content;
116  bool allow_running_insecure_content;
117  bool password_echo_enabled;
118  bool should_print_backgrounds;
119  bool should_clear_document_background;
120  bool enable_scroll_animator;
121  bool css_variables_enabled;
122  bool region_based_columns_enabled;
123  bool touch_enabled;
124  bool device_supports_touch;
125  bool device_supports_mouse;
126  bool touch_adjustment_enabled;
127  int pointer_events_max_touch_points;
128  bool sync_xhr_in_documents_enabled;
129  bool deferred_image_decoding_enabled;
130  bool should_respect_image_orientation;
131  int number_of_cpu_cores;
132  EditingBehavior editing_behavior;
133  bool supports_multiple_windows;
134  bool viewport_enabled;
135  bool viewport_meta_enabled;
136  bool use_expanded_heuristics_for_gpu_rasterization;
137  bool main_frame_resizes_are_orientation_changes;
138  bool initialize_at_minimum_page_scale;
139  bool smart_insert_delete_enabled;
140  bool spatial_navigation_enabled;
141  bool pinch_virtual_viewport_enabled;
142  int pinch_overlay_scrollbar_thickness;
143  bool use_solid_color_scrollbars;
144  bool navigate_on_drag_drop;
145  V8CacheOptions v8_cache_options;
146
147  // This flags corresponds to a Page's Settings' setCookieEnabled state. It
148  // only controls whether or not the "document.cookie" field is properly
149  // connected to the backing store, for instance if you wanted to be able to
150  // define custom getters and setters from within a unique security content
151  // without raising a DOM security exception.
152  bool cookie_enabled;
153
154  // This flag indicates whether H/W accelerated video decode is enabled for
155  // pepper plugins. Defaults to false.
156  bool pepper_accelerated_video_decode_enabled;
157
158#if defined(OS_ANDROID)
159  bool text_autosizing_enabled;
160  float font_scale_factor;
161  float device_scale_adjustment;
162  bool force_enable_zoom;
163  bool disallow_fullscreen_for_non_media_elements;
164  bool fullscreen_supported;
165  bool double_tap_to_zoom_enabled;
166  bool user_gesture_required_for_media_playback;
167  GURL default_video_poster_url;
168  bool support_deprecated_target_density_dpi;
169  bool use_legacy_background_size_shorthand_behavior;
170  bool wide_viewport_quirk;
171  bool use_wide_viewport;
172  bool force_zero_layout_height;
173  bool viewport_meta_layout_size_quirk;
174  bool viewport_meta_merge_content_quirk;
175  bool viewport_meta_non_user_scalable_quirk;
176  bool viewport_meta_zero_values_quirk;
177  bool clobber_user_agent_initial_scale_quirk;
178  bool ignore_main_frame_overflow_hidden_quirk;
179  bool report_screen_size_in_physical_pixels_quirk;
180#endif
181
182  // We try to keep the default values the same as the default values in
183  // chrome, except for the cases where it would require lots of extra work for
184  // the embedder to use the same default value.
185  WebPreferences();
186  ~WebPreferences();
187};
188
189}  // namespace content
190
191#endif  // CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_
192