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      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 #include "ui/gfx/font_render_params.h"
     21 
     22 namespace content {
     23 
     24 enum TapMultipleTargetsStrategy {
     25   TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM = 0,
     26   TAP_MULTIPLE_TARGETS_STRATEGY_POPUP,
     27   TAP_MULTIPLE_TARGETS_STRATEGY_NONE,
     28 
     29   TAP_MULTIPLE_TARGETS_STRATEGY_MAX = TAP_MULTIPLE_TARGETS_STRATEGY_NONE,
     30 };
     31 
     32 struct CONTENT_EXPORT RendererPreferences {
     33   RendererPreferences();
     34   ~RendererPreferences();
     35 
     36   // Whether the renderer's current browser context accept drops from the OS
     37   // that result in navigations away from the current page.
     38   bool can_accept_load_drops;
     39 
     40   // Whether text should be antialiased.
     41   // Currently only used by Linux.
     42   bool should_antialias_text;
     43 
     44   // The level of hinting to use when rendering text.
     45   // Currently only used by Linux.
     46   gfx::FontRenderParams::Hinting hinting;
     47 
     48   // Whether auto hinter should be used. Currently only used by Linux.
     49   bool use_autohinter;
     50 
     51   // Whether embedded bitmap strikes in fonts should be used.
     52   // Current only used by Linux.
     53   bool use_bitmaps;
     54 
     55   // The type of subpixel rendering to use for text.
     56   // Currently only used by Linux.
     57   gfx::FontRenderParams::SubpixelRendering subpixel_rendering;
     58 
     59   // Whether subpixel positioning should be used, permitting fractional X
     60   // positions for glyphs.  Currently only used by Linux.
     61   bool use_subpixel_positioning;
     62 
     63   // The color of the focus ring. Currently only used on Linux.
     64   SkColor focus_ring_color;
     65 
     66   // The color of different parts of the scrollbar. Currently only used on
     67   // Linux.
     68   SkColor thumb_active_color;
     69   SkColor thumb_inactive_color;
     70   SkColor track_color;
     71 
     72   // The colors used in selection text. Currently only used on Linux and Ash.
     73   SkColor active_selection_bg_color;
     74   SkColor active_selection_fg_color;
     75   SkColor inactive_selection_bg_color;
     76   SkColor inactive_selection_fg_color;
     77 
     78   // Browser wants a look at all non-local top level navigation requests.
     79   bool browser_handles_non_local_top_level_requests;
     80 
     81   // Browser wants a look at all top-level navigation requests.
     82   bool browser_handles_all_top_level_requests;
     83 
     84   // Cursor blink rate in seconds.
     85   // Currently only changed from default on Linux.  Uses |gtk-cursor-blink|
     86   // from GtkSettings.
     87   double caret_blink_interval;
     88 
     89   // Whether or not to set custom colors at all.
     90   bool use_custom_colors;
     91 
     92   // Set to false to not send referrers.
     93   bool enable_referrers;
     94 
     95   // Set to true to indicate that the preference to set DNT to 1 is enabled.
     96   bool enable_do_not_track;
     97 
     98   // Default page zoom level.
     99   double default_zoom_level;
    100 
    101   // The user agent given to WebKit when it requests one and the user agent is
    102   // being overridden for the current navigation.
    103   std::string user_agent_override;
    104 
    105   // The accept-languages of the browser, comma-separated.
    106   std::string accept_languages;
    107 
    108   // Specifies whether the renderer reports frame name changes to the browser
    109   // process.
    110   // TODO(fsamuel): This is a short-term workaround to avoid regressing
    111   // Sunspider. We need to find an efficient way to report changes to frame
    112   // names to the browser process. See http://crbug.com/169110 for more
    113   // information.
    114   bool report_frame_name_changes;
    115 
    116   // How to handle a tap gesture touching multiple targets
    117   TapMultipleTargetsStrategy tap_multiple_targets_strategy;
    118 
    119   // Disables rendering default error page when client choses to block a page.
    120   // Corresponds to net::ERR_BLOCKED_BY_CLIENT.
    121   bool disable_client_blocked_error_page;
    122 
    123   // Determines whether plugins are allowed to enter fullscreen mode.
    124   bool plugin_fullscreen_allowed;
    125 
    126   // Whether video-overlay (hole-punching) should be used for the embedded
    127   // encrypted video.  Currently only used by Android.
    128   bool use_video_overlay_for_embedded_encrypted_video;
    129 };
    130 
    131 }  // namespace content
    132 
    133 #endif  // CONTENT_PUBLIC_COMMON_RENDERER_PREFERENCES_H_
    134