chrome/browser/renderer_preferences_util.cc

   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 #include "chrome/browser/renderer_preferences_util.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "chrome/common/pref_names.h"
  10 #include "content/public/common/renderer_preferences.h"
  11 #include "third_party/skia/include/core/SkColor.h"
  12
  13 #if defined(OS_LINUX) || defined(OS_ANDROID)
  14 #include "ui/gfx/font_render_params_linux.h"
  15 #endif
  16
  17 #if defined(TOOLKIT_GTK)
  18 #include "chrome/browser/ui/gtk/gtk_theme_service.h"
  19 #include "ui/gfx/gtk_util.h"
  20 #endif
  21
  22 #if defined(TOOLKIT_VIEWS)
  23 #include "ui/views/controls/textfield/textfield.h"
  24 #endif
  25
  26 #if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
  27 #include "chrome/browser/themes/theme_service.h"
  28 #include "chrome/browser/themes/theme_service_factory.h"
  29 #include "ui/views/linux_ui/linux_ui.h"
  30 #endif
  31
  32 namespace renderer_preferences_util {
  33
  34 namespace {
  35
  36 #if defined(OS_LINUX) || defined(OS_ANDROID)
  37 content::RendererPreferencesHintingEnum GetRendererPreferencesHintingEnum(
  38     gfx::FontRenderParams::Hinting hinting) {
  39   switch (hinting) {
  40     case gfx::FontRenderParams::HINTING_NONE:
  41       return content::RENDERER_PREFERENCES_HINTING_NONE;
  42     case gfx::FontRenderParams::HINTING_SLIGHT:
  43       return content::RENDERER_PREFERENCES_HINTING_SLIGHT;
  44     case gfx::FontRenderParams::HINTING_MEDIUM:
  45       return content::RENDERER_PREFERENCES_HINTING_MEDIUM;
  46     case gfx::FontRenderParams::HINTING_FULL:
  47       return content::RENDERER_PREFERENCES_HINTING_FULL;
  48     default:
  49       NOTREACHED() << "Unhandled hinting style " << hinting;
  50       return content::RENDERER_PREFERENCES_HINTING_SYSTEM_DEFAULT;
  51   }
  52 }
  53
  54 content::RendererPreferencesSubpixelRenderingEnum
  55 GetRendererPreferencesSubpixelRenderingEnum(
  56     gfx::FontRenderParams::SubpixelRendering subpixel_rendering) {
  57   switch (subpixel_rendering) {
  58     case gfx::FontRenderParams::SUBPIXEL_RENDERING_NONE:
  59       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_NONE;
  60     case gfx::FontRenderParams::SUBPIXEL_RENDERING_RGB:
  61       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_RGB;
  62     case gfx::FontRenderParams::SUBPIXEL_RENDERING_BGR:
  63       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_BGR;
  64     case gfx::FontRenderParams::SUBPIXEL_RENDERING_VRGB:
  65       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VRGB;
  66     case gfx::FontRenderParams::SUBPIXEL_RENDERING_VBGR:
  67       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VBGR;
  68     default:
  69       NOTREACHED() << "Unhandled subpixel rendering style "
  70                    << subpixel_rendering;
  71       return content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT;
  72   }
  73 }
  74 #endif  // defined(OS_LINUX) || defined(OS_ANDROID)
  75
  76 }  // namespace
  77
  78 void UpdateFromSystemSettings(
  79     content::RendererPreferences* prefs, Profile* profile) {
  80   const PrefService* pref_service = profile->GetPrefs();
  81   prefs->accept_languages = pref_service->GetString(prefs::kAcceptLanguages);
  82   prefs->enable_referrers = pref_service->GetBoolean(prefs::kEnableReferrers);
  83   prefs->enable_do_not_track =
  84       pref_service->GetBoolean(prefs::kEnableDoNotTrack);
  85   prefs->default_zoom_level = pref_service->GetDouble(prefs::kDefaultZoomLevel);
  86
  87 #if defined(TOOLKIT_GTK)
  88   GtkThemeService* theme_service = GtkThemeService::GetFrom(profile);
  89   prefs->focus_ring_color = theme_service->get_focus_ring_color();
  90   prefs->thumb_active_color = theme_service->get_thumb_active_color();
  91   prefs->thumb_inactive_color = theme_service->get_thumb_inactive_color();
  92   prefs->track_color = theme_service->get_track_color();
  93   prefs->active_selection_bg_color =
  94       theme_service->get_active_selection_bg_color();
  95   prefs->active_selection_fg_color =
  96       theme_service->get_active_selection_fg_color();
  97   prefs->inactive_selection_bg_color =
  98       theme_service->get_inactive_selection_bg_color();
  99   prefs->inactive_selection_fg_color =
 100       theme_service->get_inactive_selection_fg_color();
 101
 102   // Dividing GTK's cursor blink cycle time (in milliseconds) by this value
 103   // yields an appropriate value for RendererPreferences::caret_blink_interval.
 104   // This matches the logic in the WebKit GTK port.
 105   const double kGtkCursorBlinkCycleFactor = 2000.0;
 106   const base::TimeDelta cursor_blink_time = gfx::GetCursorBlinkCycle();
 107   prefs->caret_blink_interval =
 108       cursor_blink_time.InMilliseconds() ?
 109       cursor_blink_time.InMilliseconds() / kGtkCursorBlinkCycleFactor :
 110       0;
 111 #elif defined(USE_DEFAULT_RENDER_THEME)
 112   prefs->focus_ring_color = SkColorSetRGB(0x4D, 0x90, 0xFE);
 113
 114 #if defined(OS_CHROMEOS)
 115   // This color is 0x544d90fe modulated with 0xffffff.
 116   prefs->active_selection_bg_color = SkColorSetRGB(0xCB, 0xE4, 0xFA);
 117   prefs->active_selection_fg_color = SK_ColorBLACK;
 118   prefs->inactive_selection_bg_color = SkColorSetRGB(0xEA, 0xEA, 0xEA);
 119   prefs->inactive_selection_fg_color = SK_ColorBLACK;
 120 #endif
 121
 122   prefs->touchpad_fling_profile[0] =
 123       pref_service->GetDouble(prefs::kFlingCurveTouchpadAlpha);
 124   prefs->touchpad_fling_profile[1] =
 125       pref_service->GetDouble(prefs::kFlingCurveTouchpadBeta);
 126   prefs->touchpad_fling_profile[2] =
 127       pref_service->GetDouble(prefs::kFlingCurveTouchpadGamma);
 128   prefs->touchscreen_fling_profile[0] =
 129       pref_service->GetDouble(prefs::kFlingCurveTouchscreenAlpha);
 130   prefs->touchscreen_fling_profile[1] =
 131       pref_service->GetDouble(prefs::kFlingCurveTouchscreenBeta);
 132   prefs->touchscreen_fling_profile[2] =
 133       pref_service->GetDouble(prefs::kFlingCurveTouchscreenGamma);
 134 #endif
 135
 136 #if defined(TOOLKIT_VIEWS)
 137   prefs->caret_blink_interval = views::Textfield::GetCaretBlinkMs() / 1000.0;
 138 #endif
 139
 140 #if defined(USE_AURA) && defined(OS_LINUX) && !defined(OS_CHROMEOS)
 141   views::LinuxUI* linux_ui = views::LinuxUI::instance();
 142   if (linux_ui) {
 143     if (ThemeServiceFactory::GetForProfile(profile)->UsingSystemTheme()) {
 144       prefs->focus_ring_color = linux_ui->GetFocusRingColor();
 145       prefs->thumb_active_color = linux_ui->GetThumbActiveColor();
 146       prefs->thumb_inactive_color = linux_ui->GetThumbInactiveColor();
 147       prefs->track_color = linux_ui->GetTrackColor();
 148       prefs->active_selection_bg_color = linux_ui->GetActiveSelectionBgColor();
 149       prefs->active_selection_fg_color = linux_ui->GetActiveSelectionFgColor();
 150       prefs->inactive_selection_bg_color =
 151         linux_ui->GetInactiveSelectionBgColor();
 152       prefs->inactive_selection_fg_color =
 153         linux_ui->GetInactiveSelectionFgColor();
 154     }
 155
 156     // If we have a linux_ui object, set the caret blink interval regardless of
 157     // whether we're in native theme mode.
 158     prefs->caret_blink_interval = linux_ui->GetCursorBlinkInterval();
 159   }
 160 #endif
 161
 162 #if defined(OS_LINUX) || defined(OS_ANDROID)
 163   const gfx::FontRenderParams& params = gfx::GetDefaultWebKitFontRenderParams();
 164   prefs->should_antialias_text = params.antialiasing;
 165   prefs->use_subpixel_positioning = params.subpixel_positioning;
 166   prefs->hinting = GetRendererPreferencesHintingEnum(params.hinting);
 167   prefs->use_autohinter = params.autohinter;
 168   prefs->use_bitmaps = params.use_bitmaps;
 169   prefs->subpixel_rendering =
 170       GetRendererPreferencesSubpixelRenderingEnum(params.subpixel_rendering);
 171 #endif
 172
 173 #if !defined(OS_MACOSX)
 174   prefs->plugin_fullscreen_allowed =
 175       pref_service->GetBoolean(prefs::kFullscreenAllowed);
 176 #endif
 177 }
 178
 179 }  // namespace renderer_preferences_util