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      1 // Copyright (c) 2013 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/themes/theme_properties.h"
      6 
      7 #include "base/memory/scoped_ptr.h"
      8 #include "base/strings/string_split.h"
      9 #include "base/strings/string_util.h"
     10 #include "chrome/browser/themes/browser_theme_pack.h"
     11 #include "grit/theme_resources.h"
     12 #include "grit/ui_resources.h"
     13 
     14 namespace {
     15 
     16 // ----------------------------------------------------------------------------
     17 // Defaults for properties which are stored in the browser theme pack. If you
     18 // change these defaults, you must increment the version number in
     19 // browser_theme_pack.h
     20 
     21 // Default colors.
     22 #if defined(USE_AURA)
     23 // Used for theme fallback colors.
     24 const SkColor kDefaultColorFrame = SkColorSetRGB(109, 109, 109);
     25 const SkColor kDefaultColorFrameInactive = SkColorSetRGB(176, 176, 176);
     26 #else
     27 const SkColor kDefaultColorFrame = SkColorSetRGB(66, 116, 201);
     28 const SkColor kDefaultColorFrameInactive = SkColorSetRGB(161, 182, 228);
     29 #endif  // USE_AURA
     30 const SkColor kDefaultColorFrameIncognito = SkColorSetRGB(83, 106, 139);
     31 const SkColor kDefaultColorFrameIncognitoInactive =
     32     SkColorSetRGB(126, 139, 156);
     33 #if defined(OS_MACOSX)
     34 const SkColor kDefaultColorToolbar = SkColorSetRGB(230, 230, 230);
     35 #else
     36 const SkColor kDefaultColorToolbar = SkColorSetRGB(223, 223, 223);
     37 #endif
     38 const SkColor kDefaultColorTabText = SK_ColorBLACK;
     39 #if defined(OS_MACOSX)
     40 const SkColor kDefaultColorBackgroundTabText = SK_ColorBLACK;
     41 #else
     42 const SkColor kDefaultColorBackgroundTabText = SkColorSetRGB(64, 64, 64);
     43 #endif
     44 const SkColor kDefaultColorBookmarkText = SK_ColorBLACK;
     45 #if defined(OS_WIN)
     46 const SkColor kDefaultColorNTPBackground =
     47     color_utils::GetSysSkColor(COLOR_WINDOW);
     48 const SkColor kDefaultColorNTPText =
     49     color_utils::GetSysSkColor(COLOR_WINDOWTEXT);
     50 const SkColor kDefaultColorNTPLink =
     51     color_utils::GetSysSkColor(COLOR_HOTLIGHT);
     52 #else
     53 // TODO(beng): source from theme provider.
     54 const SkColor kDefaultColorNTPBackground = SK_ColorWHITE;
     55 const SkColor kDefaultColorNTPText = SK_ColorBLACK;
     56 const SkColor kDefaultColorNTPLink = SkColorSetRGB(6, 55, 116);
     57 #endif
     58 const SkColor kDefaultColorNTPHeader = SkColorSetRGB(150, 150, 150);
     59 const SkColor kDefaultColorNTPSection = SkColorSetRGB(229, 229, 229);
     60 const SkColor kDefaultColorNTPSectionText = SK_ColorBLACK;
     61 const SkColor kDefaultColorNTPSectionLink = SkColorSetRGB(6, 55, 116);
     62 const SkColor kDefaultColorButtonBackground = SkColorSetARGB(0, 0, 0, 0);
     63 
     64 // Default tints.
     65 const color_utils::HSL kDefaultTintButtons = { -1, -1, -1 };
     66 const color_utils::HSL kDefaultTintFrame = { -1, -1, -1 };
     67 const color_utils::HSL kDefaultTintFrameInactive = { -1, -1, 0.75f };
     68 const color_utils::HSL kDefaultTintFrameIncognito = { -1, 0.2f, 0.35f };
     69 const color_utils::HSL kDefaultTintFrameIncognitoInactive = { -1, 0.3f, 0.6f };
     70 const color_utils::HSL kDefaultTintBackgroundTab = { -1, 0.5, 0.75 };
     71 
     72 // Default display properties.
     73 const int kDefaultDisplayPropertyNTPAlignment =
     74     ThemeProperties::ALIGN_BOTTOM;
     75 const int kDefaultDisplayPropertyNTPTiling =
     76     ThemeProperties::NO_REPEAT;
     77 const int kDefaultDisplayPropertyNTPInverseLogo = 0;
     78 
     79 // ----------------------------------------------------------------------------
     80 // Defaults for properties which are not stored in the browser theme pack.
     81 
     82 const SkColor kDefaultColorControlBackground = SK_ColorWHITE;
     83 const SkColor kDefaultColorToolbarSeparator = SkColorSetRGB(170, 170, 171);
     84 
     85 #if defined(OS_MACOSX)
     86 const SkColor kDefaultColorToolbarButtonStroke = SkColorSetARGB(75, 81, 81, 81);
     87 const SkColor kDefaultColorToolbarButtonStrokeInactive =
     88     SkColorSetARGB(75, 99, 99, 99);
     89 const SkColor kDefaultColorToolbarBezel = SkColorSetRGB(204, 204, 204);
     90 const SkColor kDefaultColorToolbarStroke = SkColorSetRGB(103, 103, 103);
     91 const SkColor kDefaultColorToolbarStrokeInactive = SkColorSetRGB(163, 163, 163);
     92 #endif
     93 
     94 // ----------------------------------------------------------------------------
     95 
     96 // Strings used in alignment properties.
     97 const char* kAlignmentCenter = "center";
     98 const char* kAlignmentTop = "top";
     99 const char* kAlignmentBottom = "bottom";
    100 const char* kAlignmentLeft = "left";
    101 const char* kAlignmentRight = "right";
    102 
    103 // Strings used in background tiling repetition properties.
    104 const char* kTilingNoRepeat = "no-repeat";
    105 const char* kTilingRepeatX = "repeat-x";
    106 const char* kTilingRepeatY = "repeat-y";
    107 const char* kTilingRepeat = "repeat";
    108 
    109 // The image resources that will be tinted by the 'button' tint value.
    110 // If you change this list, you must increment the version number in
    111 // browser_theme_pack.cc, and you should assign persistent IDs to the
    112 // data table at the start of said file or else tinted versions of
    113 // these resources will not be created.
    114 const int kToolbarButtonIDs[] = {
    115   IDR_BACK, IDR_BACK_D, IDR_BACK_H, IDR_BACK_P,
    116   IDR_FORWARD, IDR_FORWARD_D, IDR_FORWARD_H, IDR_FORWARD_P,
    117   IDR_HOME, IDR_HOME_H, IDR_HOME_P,
    118   IDR_RELOAD, IDR_RELOAD_H, IDR_RELOAD_P,
    119   IDR_STOP, IDR_STOP_D, IDR_STOP_H, IDR_STOP_P,
    120   IDR_BROWSER_ACTIONS_OVERFLOW, IDR_BROWSER_ACTIONS_OVERFLOW_H,
    121   IDR_BROWSER_ACTIONS_OVERFLOW_P,
    122   IDR_TOOLS, IDR_TOOLS_H, IDR_TOOLS_P,
    123   IDR_MENU_DROPARROW,
    124   IDR_THROBBER, IDR_THROBBER_WAITING, IDR_THROBBER_LIGHT,
    125   IDR_TOOLBAR_BEZEL_HOVER, IDR_TOOLBAR_BEZEL_PRESSED, IDR_TOOLS_BAR,
    126 };
    127 
    128 SkColor TintForUnderline(SkColor input) {
    129   return SkColorSetA(input, SkColorGetA(input) / 3);
    130 }
    131 
    132 }  // namespace
    133 
    134 // static
    135 int ThemeProperties::StringToAlignment(const std::string& alignment) {
    136   std::vector<std::string> split;
    137   base::SplitStringAlongWhitespace(alignment, &split);
    138 
    139   int alignment_mask = 0;
    140   for (std::vector<std::string>::iterator component(split.begin());
    141        component != split.end(); ++component) {
    142     if (LowerCaseEqualsASCII(*component, kAlignmentTop))
    143       alignment_mask |= ALIGN_TOP;
    144     else if (LowerCaseEqualsASCII(*component, kAlignmentBottom))
    145       alignment_mask |= ALIGN_BOTTOM;
    146     else if (LowerCaseEqualsASCII(*component, kAlignmentLeft))
    147       alignment_mask |= ALIGN_LEFT;
    148     else if (LowerCaseEqualsASCII(*component, kAlignmentRight))
    149       alignment_mask |= ALIGN_RIGHT;
    150   }
    151   return alignment_mask;
    152 }
    153 
    154 // static
    155 int ThemeProperties::StringToTiling(const std::string& tiling) {
    156   const char* component = tiling.c_str();
    157 
    158   if (base::strcasecmp(component, kTilingRepeatX) == 0)
    159     return REPEAT_X;
    160   if (base::strcasecmp(component, kTilingRepeatY) == 0)
    161     return REPEAT_Y;
    162   if (base::strcasecmp(component, kTilingRepeat) == 0)
    163     return REPEAT;
    164   // NO_REPEAT is the default choice.
    165   return NO_REPEAT;
    166 }
    167 
    168 // static
    169 std::string ThemeProperties::AlignmentToString(int alignment) {
    170   // Convert from an AlignmentProperty back into a string.
    171   std::string vertical_string(kAlignmentCenter);
    172   std::string horizontal_string(kAlignmentCenter);
    173 
    174   if (alignment & ALIGN_TOP)
    175     vertical_string = kAlignmentTop;
    176   else if (alignment & ALIGN_BOTTOM)
    177     vertical_string = kAlignmentBottom;
    178 
    179   if (alignment & ALIGN_LEFT)
    180     horizontal_string = kAlignmentLeft;
    181   else if (alignment & ALIGN_RIGHT)
    182     horizontal_string = kAlignmentRight;
    183 
    184   return horizontal_string + " " + vertical_string;
    185 }
    186 
    187 // static
    188 std::string ThemeProperties::TilingToString(int tiling) {
    189   // Convert from a TilingProperty back into a string.
    190   if (tiling == REPEAT_X)
    191     return kTilingRepeatX;
    192   if (tiling == REPEAT_Y)
    193     return kTilingRepeatY;
    194   if (tiling == REPEAT)
    195     return kTilingRepeat;
    196   return kTilingNoRepeat;
    197 }
    198 
    199 // static
    200 bool ThemeProperties::IsThemeableImage(int id) {
    201   // TODO(pkotwicz): Cache results to improve lookup speed.
    202   std::set<int> themeable_idrs;
    203   BrowserThemePack::GetThemeableImageIDRs(&themeable_idrs);
    204   return themeable_idrs.find(id) != themeable_idrs.end();
    205 }
    206 
    207 // static
    208 const std::set<int>& ThemeProperties::GetTintableToolbarButtons() {
    209   CR_DEFINE_STATIC_LOCAL(std::set<int>, button_set, ());
    210   if (button_set.empty()) {
    211     button_set = std::set<int>(
    212         kToolbarButtonIDs,
    213         kToolbarButtonIDs + arraysize(kToolbarButtonIDs));
    214   }
    215 
    216   return button_set;
    217 }
    218 
    219 // static
    220 color_utils::HSL ThemeProperties::GetDefaultTint(int id) {
    221   switch (id) {
    222     case TINT_FRAME:
    223       return kDefaultTintFrame;
    224     case TINT_FRAME_INACTIVE:
    225       return kDefaultTintFrameInactive;
    226     case TINT_FRAME_INCOGNITO:
    227       return kDefaultTintFrameIncognito;
    228     case TINT_FRAME_INCOGNITO_INACTIVE:
    229       return kDefaultTintFrameIncognitoInactive;
    230     case TINT_BUTTONS:
    231       return kDefaultTintButtons;
    232     case TINT_BACKGROUND_TAB:
    233       return kDefaultTintBackgroundTab;
    234     default:
    235       color_utils::HSL result = {-1, -1, -1};
    236       return result;
    237   }
    238 }
    239 
    240 // static
    241 SkColor ThemeProperties::GetDefaultColor(int id) {
    242   switch (id) {
    243     // Properties stored in theme pack.
    244     case COLOR_FRAME:
    245       return kDefaultColorFrame;
    246     case COLOR_FRAME_INACTIVE:
    247       return kDefaultColorFrameInactive;
    248     case COLOR_FRAME_INCOGNITO:
    249       return kDefaultColorFrameIncognito;
    250     case COLOR_FRAME_INCOGNITO_INACTIVE:
    251       return kDefaultColorFrameIncognitoInactive;
    252     case COLOR_TOOLBAR:
    253       return kDefaultColorToolbar;
    254     case COLOR_TAB_TEXT:
    255       return kDefaultColorTabText;
    256     case COLOR_BACKGROUND_TAB_TEXT:
    257       return kDefaultColorBackgroundTabText;
    258     case COLOR_BOOKMARK_TEXT:
    259       return kDefaultColorBookmarkText;
    260     case COLOR_NTP_BACKGROUND:
    261       return kDefaultColorNTPBackground;
    262     case COLOR_NTP_TEXT:
    263       return kDefaultColorNTPText;
    264     case COLOR_NTP_LINK:
    265       return kDefaultColorNTPLink;
    266     case COLOR_NTP_LINK_UNDERLINE:
    267       return TintForUnderline(kDefaultColorNTPLink);
    268     case COLOR_NTP_HEADER:
    269       return kDefaultColorNTPHeader;
    270     case COLOR_NTP_SECTION:
    271       return kDefaultColorNTPSection;
    272     case COLOR_NTP_SECTION_TEXT:
    273       return kDefaultColorNTPSectionText;
    274     case COLOR_NTP_SECTION_LINK:
    275       return kDefaultColorNTPSectionLink;
    276     case COLOR_NTP_SECTION_LINK_UNDERLINE:
    277       return TintForUnderline(kDefaultColorNTPSectionLink);
    278     case COLOR_BUTTON_BACKGROUND:
    279       return kDefaultColorButtonBackground;
    280 
    281     // Properties not stored in theme pack.
    282     case COLOR_CONTROL_BACKGROUND:
    283       return kDefaultColorControlBackground;
    284     case COLOR_TOOLBAR_SEPARATOR:
    285       return kDefaultColorToolbarSeparator;
    286 #if defined(OS_MACOSX)
    287     case COLOR_TOOLBAR_BUTTON_STROKE:
    288       return kDefaultColorToolbarButtonStroke;
    289     case COLOR_TOOLBAR_BUTTON_STROKE_INACTIVE:
    290       return kDefaultColorToolbarButtonStrokeInactive;
    291     case COLOR_TOOLBAR_BEZEL:
    292       return kDefaultColorToolbarBezel;
    293     case COLOR_TOOLBAR_STROKE:
    294       return kDefaultColorToolbarStroke;
    295     case COLOR_TOOLBAR_STROKE_INACTIVE:
    296       return kDefaultColorToolbarStrokeInactive;
    297 #endif
    298     default:
    299       // Return a debugging red color.
    300       return SK_ColorRED;
    301   }
    302 }
    303 
    304 // static
    305 bool ThemeProperties::GetDefaultDisplayProperty(int id, int* result) {
    306   switch (id) {
    307     case NTP_BACKGROUND_ALIGNMENT:
    308       *result = kDefaultDisplayPropertyNTPAlignment;
    309       return true;
    310     case NTP_BACKGROUND_TILING:
    311       *result = kDefaultDisplayPropertyNTPTiling;
    312       return true;
    313     case NTP_LOGO_ALTERNATE:
    314       *result = kDefaultDisplayPropertyNTPInverseLogo;
    315       return true;
    316   }
    317 
    318   return false;
    319 }
    320