1 // Copyright (c) 2012 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 // A struct for managing browser's settings that apply to the renderer or its 6 // webview. These differ from WebPreferences since they apply to Chromium's 7 // glue layer rather than applying to just WebKit. 8 // 9 // Adding new values to this class probably involves updating 10 // common/view_messages.h, browser/browser.cc, etc. 11 12 #ifndef CONTENT_PUBLIC_COMMON_RENDERER_PREFERENCES_H_ 13 #define CONTENT_PUBLIC_COMMON_RENDERER_PREFERENCES_H_ 14 15 #include <string> 16 #include <vector> 17 18 #include "content/common/content_export.h" 19 #include "third_party/skia/include/core/SkColor.h" 20 21 namespace content { 22 23 enum RendererPreferencesHintingEnum { 24 RENDERER_PREFERENCES_HINTING_SYSTEM_DEFAULT = 0, 25 RENDERER_PREFERENCES_HINTING_NONE, 26 RENDERER_PREFERENCES_HINTING_SLIGHT, 27 RENDERER_PREFERENCES_HINTING_MEDIUM, 28 RENDERER_PREFERENCES_HINTING_FULL, 29 }; 30 31 enum RendererPreferencesSubpixelRenderingEnum { 32 RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT = 0, 33 RENDERER_PREFERENCES_SUBPIXEL_RENDERING_NONE, 34 RENDERER_PREFERENCES_SUBPIXEL_RENDERING_RGB, 35 RENDERER_PREFERENCES_SUBPIXEL_RENDERING_BGR, 36 RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VRGB, 37 RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VBGR, 38 }; 39 40 enum TapMultipleTargetsStrategy { 41 TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM = 0, 42 TAP_MULTIPLE_TARGETS_STRATEGY_POPUP, 43 TAP_MULTIPLE_TARGETS_STRATEGY_NONE, 44 45 TAP_MULTIPLE_TARGETS_STRATEGY_MAX = TAP_MULTIPLE_TARGETS_STRATEGY_NONE, 46 }; 47 48 struct CONTENT_EXPORT RendererPreferences { 49 RendererPreferences(); 50 ~RendererPreferences(); 51 52 // Whether the renderer's current browser context accept drops from the OS 53 // that result in navigations away from the current page. 54 bool can_accept_load_drops; 55 56 // Whether text should be antialiased. 57 // Currently only used by Linux. 58 bool should_antialias_text; 59 60 // The level of hinting to use when rendering text. 61 // Currently only used by Linux. 62 RendererPreferencesHintingEnum hinting; 63 64 // Whether auto hinter should be used. Currently only used by Linux. 65 bool use_autohinter; 66 67 // Whether embedded bitmap strikes in fonts should be used. 68 // Current only used by Linux. 69 bool use_bitmaps; 70 71 // The type of subpixel rendering to use for text. 72 // Currently only used by Linux. 73 RendererPreferencesSubpixelRenderingEnum subpixel_rendering; 74 75 // Whether subpixel positioning should be used, permitting fractional X 76 // positions for glyphs. Currently only used by Linux. 77 bool use_subpixel_positioning; 78 79 // The color of the focus ring. Currently only used on Linux. 80 SkColor focus_ring_color; 81 82 // The color of different parts of the scrollbar. Currently only used on 83 // Linux. 84 SkColor thumb_active_color; 85 SkColor thumb_inactive_color; 86 SkColor track_color; 87 88 // The colors used in selection text. Currently only used on Linux and Ash. 89 SkColor active_selection_bg_color; 90 SkColor active_selection_fg_color; 91 SkColor inactive_selection_bg_color; 92 SkColor inactive_selection_fg_color; 93 94 // Browser wants a look at all non-local top level navigation requests. 95 bool browser_handles_non_local_top_level_requests; 96 97 // Browser wants a look at all top-level navigation requests. 98 bool browser_handles_all_top_level_requests; 99 100 // Cursor blink rate in seconds. 101 // Currently only changed from default on Linux. Uses |gtk-cursor-blink| 102 // from GtkSettings. 103 double caret_blink_interval; 104 105 // Whether or not to set custom colors at all. 106 bool use_custom_colors; 107 108 // Set to false to not send referrers. 109 bool enable_referrers; 110 111 // Set to true to indicate that the preference to set DNT to 1 is enabled. 112 bool enable_do_not_track; 113 114 // Default page zoom level. 115 double default_zoom_level; 116 117 // The user agent given to WebKit when it requests one and the user agent is 118 // being overridden for the current navigation. 119 std::string user_agent_override; 120 121 // The accept-languages of the browser, comma-separated. 122 std::string accept_languages; 123 124 // Specifies whether the renderer reports frame name changes to the browser 125 // process. 126 // TODO(fsamuel): This is a short-term workaround to avoid regressing 127 // Sunspider. We need to find an efficient way to report changes to frame 128 // names to the browser process. See http://crbug.com/169110 for more 129 // information. 130 bool report_frame_name_changes; 131 132 // Controls deacceleration of touchpad-initiated flings. 133 std::vector<float> touchpad_fling_profile; 134 135 // Controls deacceleration of touchscreen-initiated flings. 136 std::vector<float> touchscreen_fling_profile; 137 138 // How to handle a tap gesture touching multiple targets 139 TapMultipleTargetsStrategy tap_multiple_targets_strategy; 140 141 // Disables rendering default error page when client choses to block a page. 142 // Corresponds to net::ERR_BLOCKED_BY_CLIENT. 143 bool disable_client_blocked_error_page; 144 145 // Determines whether plugins are allowed to enter fullscreen mode. 146 bool plugin_fullscreen_allowed; 147 148 // Whether video-overlay (hole-punching) should be used for the embedded 149 // encrypted video. Currently only used by Android. 150 bool use_video_overlay_for_embedded_encrypted_video; 151 }; 152 153 } // namespace content 154 155 #endif // CONTENT_PUBLIC_COMMON_RENDERER_PREFERENCES_H_ 156