widget/uikit/nsLookAndFeel.mm

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #import <UIKit/UIColor.h>
   7 #import <UIKit/UIInterface.h>
   8
   9 #include "nsLookAndFeel.h"
  10
  11 #include "mozilla/FontPropertyTypes.h"
  12 #include "nsStyleConsts.h"
  13 #include "gfxFont.h"
  14 #include "gfxFontConstants.h"
  15
  16 nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel(), mInitialized(false) {}
  17
  18 nsLookAndFeel::~nsLookAndFeel() {}
  19
  20 static nscolor GetColorFromUIColor(UIColor *aColor) {
  21   CGColorRef cgColor = [aColor CGColor];
  22   CGColorSpaceModel model = CGColorSpaceGetModel(CGColorGetColorSpace(cgColor));
  23   const CGFloat *components = CGColorGetComponents(cgColor);
  24   if (model == kCGColorSpaceModelRGB) {
  25     return NS_RGB((unsigned int)(components[0] * 255.0), (unsigned int)(components[1] * 255.0),
  26                   (unsigned int)(components[2] * 255.0));
  27   } else if (model == kCGColorSpaceModelMonochrome) {
  28     unsigned int val = (unsigned int)(components[0] * 255.0);
  29     return NS_RGBA(val, val, val, (unsigned int)(components[1] * 255.0));
  30   }
  31   MOZ_ASSERT_UNREACHABLE("Unhandled color space!");
  32   return 0;
  33 }
  34
  35 void nsLookAndFeel::NativeInit() { EnsureInit(); }
  36
  37 void nsLookAndFeel::RefreshImpl() {
  38   nsXPLookAndFeel::RefreshImpl();
  39
  40   mInitialized = false;
  41 }
  42
  43 nsresult nsLookAndFeel::NativeGetColor(const ColorID aID, nscolor &aResult) {
  44   EnsureInit();
  45
  46   nsresult res = NS_OK;
  47
  48   switch (aID) {
  49     case eColorID_WindowBackground:
  50       aResult = NS_RGB(0xff, 0xff, 0xff);
  51       break;
  52     case eColorID_WindowForeground:
  53       aResult = NS_RGB(0x00, 0x00, 0x00);
  54       break;
  55     case eColorID_WidgetBackground:
  56       aResult = NS_RGB(0xdd, 0xdd, 0xdd);
  57       break;
  58     case eColorID_WidgetForeground:
  59       aResult = NS_RGB(0x00, 0x00, 0x00);
  60       break;
  61     case eColorID_WidgetSelectBackground:
  62       aResult = NS_RGB(0x80, 0x80, 0x80);
  63       break;
  64     case eColorID_WidgetSelectForeground:
  65       aResult = NS_RGB(0x00, 0x00, 0x80);
  66       break;
  67     case eColorID_Widget3DHighlight:
  68       aResult = NS_RGB(0xa0, 0xa0, 0xa0);
  69       break;
  70     case eColorID_Widget3DShadow:
  71       aResult = NS_RGB(0x40, 0x40, 0x40);
  72       break;
  73     case eColorID_TextBackground:
  74       aResult = NS_RGB(0xff, 0xff, 0xff);
  75       break;
  76     case eColorID_TextForeground:
  77       aResult = NS_RGB(0x00, 0x00, 0x00);
  78       break;
  79     case eColorID_TextSelectBackground:
  80     case eColorID_highlight:  // CSS2 color
  81       aResult = NS_RGB(0xaa, 0xaa, 0xaa);
  82       break;
  83     case eColorID__moz_menuhover:
  84       aResult = NS_RGB(0xee, 0xee, 0xee);
  85       break;
  86     case eColorID_TextSelectForeground:
  87     case eColorID_highlighttext:  // CSS2 color
  88     case eColorID__moz_menuhovertext:
  89       aResult = mColorTextSelectForeground;
  90       break;
  91     case eColorID_IMESelectedRawTextBackground:
  92     case eColorID_IMESelectedConvertedTextBackground:
  93     case eColorID_IMERawInputBackground:
  94     case eColorID_IMEConvertedTextBackground:
  95       aResult = NS_TRANSPARENT;
  96       break;
  97     case eColorID_IMESelectedRawTextForeground:
  98     case eColorID_IMESelectedConvertedTextForeground:
  99     case eColorID_IMERawInputForeground:
 100     case eColorID_IMEConvertedTextForeground:
 101       aResult = NS_SAME_AS_FOREGROUND_COLOR;
 102       break;
 103     case eColorID_IMERawInputUnderline:
 104     case eColorID_IMEConvertedTextUnderline:
 105       aResult = NS_40PERCENT_FOREGROUND_COLOR;
 106       break;
 107     case eColorID_IMESelectedRawTextUnderline:
 108     case eColorID_IMESelectedConvertedTextUnderline:
 109       aResult = NS_SAME_AS_FOREGROUND_COLOR;
 110       break;
 111     case eColorID_SpellCheckerUnderline:
 112       aResult = NS_RGB(0xff, 0, 0);
 113       break;
 114
 115     //
 116     // css2 system colors http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
 117     //
 118     case eColorID_buttontext:
 119     case eColorID__moz_buttonhovertext:
 120     case eColorID_captiontext:
 121     case eColorID_menutext:
 122     case eColorID_infotext:
 123     case eColorID__moz_menubartext:
 124     case eColorID_windowtext:
 125       aResult = mColorDarkText;
 126       break;
 127     case eColorID_activecaption:
 128       aResult = NS_RGB(0xff, 0xff, 0xff);
 129       break;
 130     case eColorID_activeborder:
 131       aResult = NS_RGB(0x00, 0x00, 0x00);
 132       break;
 133     case eColorID_appworkspace:
 134       aResult = NS_RGB(0xFF, 0xFF, 0xFF);
 135       break;
 136     case eColorID_background:
 137       aResult = NS_RGB(0x63, 0x63, 0xCE);
 138       break;
 139     case eColorID_buttonface:
 140     case eColorID__moz_buttonhoverface:
 141       aResult = NS_RGB(0xF0, 0xF0, 0xF0);
 142       break;
 143     case eColorID_buttonhighlight:
 144       aResult = NS_RGB(0xFF, 0xFF, 0xFF);
 145       break;
 146     case eColorID_buttonshadow:
 147       aResult = NS_RGB(0xDC, 0xDC, 0xDC);
 148       break;
 149     case eColorID_graytext:
 150       aResult = NS_RGB(0x44, 0x44, 0x44);
 151       break;
 152     case eColorID_inactiveborder:
 153       aResult = NS_RGB(0xff, 0xff, 0xff);
 154       break;
 155     case eColorID_inactivecaption:
 156       aResult = NS_RGB(0xaa, 0xaa, 0xaa);
 157       break;
 158     case eColorID_inactivecaptiontext:
 159       aResult = NS_RGB(0x45, 0x45, 0x45);
 160       break;
 161     case eColorID_scrollbar:
 162       aResult = NS_RGB(0, 0, 0);  // XXX
 163       break;
 164     case eColorID_threeddarkshadow:
 165       aResult = NS_RGB(0xDC, 0xDC, 0xDC);
 166       break;
 167     case eColorID_threedshadow:
 168       aResult = NS_RGB(0xE0, 0xE0, 0xE0);
 169       break;
 170     case eColorID_threedface:
 171       aResult = NS_RGB(0xF0, 0xF0, 0xF0);
 172       break;
 173     case eColorID_threedhighlight:
 174       aResult = NS_RGB(0xff, 0xff, 0xff);
 175       break;
 176     case eColorID_threedlightshadow:
 177       aResult = NS_RGB(0xDA, 0xDA, 0xDA);
 178       break;
 179     case eColorID_menu:
 180       aResult = NS_RGB(0xff, 0xff, 0xff);
 181       break;
 182     case eColorID_infobackground:
 183       aResult = NS_RGB(0xFF, 0xFF, 0xC7);
 184       break;
 185     case eColorID_windowframe:
 186       aResult = NS_RGB(0xaa, 0xaa, 0xaa);
 187       break;
 188     case eColorID_window:
 189     case eColorID__moz_field:
 190     case eColorID__moz_combobox:
 191       aResult = NS_RGB(0xff, 0xff, 0xff);
 192       break;
 193     case eColorID__moz_fieldtext:
 194     case eColorID__moz_comboboxtext:
 195       aResult = mColorDarkText;
 196       break;
 197     case eColorID__moz_dialog:
 198       aResult = NS_RGB(0xaa, 0xaa, 0xaa);
 199       break;
 200     case eColorID__moz_dialogtext:
 201     case eColorID__moz_cellhighlighttext:
 202     case eColorID__moz_html_cellhighlighttext:
 203       aResult = mColorDarkText;
 204       break;
 205     case eColorID__moz_dragtargetzone:
 206     case eColorID__moz_mac_chrome_active:
 207     case eColorID__moz_mac_chrome_inactive:
 208       aResult = NS_RGB(0xaa, 0xaa, 0xaa);
 209       break;
 210     case eColorID__moz_mac_focusring:
 211       aResult = NS_RGB(0x3F, 0x98, 0xDD);
 212       break;
 213     case eColorID__moz_mac_menushadow:
 214       aResult = NS_RGB(0xA3, 0xA3, 0xA3);
 215       break;
 216     case eColorID__moz_mac_menutextdisable:
 217       aResult = NS_RGB(0x88, 0x88, 0x88);
 218       break;
 219     case eColorID__moz_mac_menutextselect:
 220       aResult = NS_RGB(0xaa, 0xaa, 0xaa);
 221       break;
 222     case eColorID__moz_mac_disabledtoolbartext:
 223       aResult = NS_RGB(0x3F, 0x3F, 0x3F);
 224       break;
 225     case eColorID__moz_mac_menuselect:
 226       aResult = NS_RGB(0xaa, 0xaa, 0xaa);
 227       break;
 228     case eColorID__moz_buttondefault:
 229       aResult = NS_RGB(0xDC, 0xDC, 0xDC);
 230       break;
 231     case eColorID__moz_cellhighlight:
 232     case eColorID__moz_html_cellhighlight:
 233     case eColorID__moz_mac_secondaryhighlight:
 234       // For inactive list selection
 235       aResult = NS_RGB(0xaa, 0xaa, 0xaa);
 236       break;
 237     case eColorID__moz_eventreerow:
 238       // Background color of even list rows.
 239       aResult = NS_RGB(0xff, 0xff, 0xff);
 240       break;
 241     case eColorID__moz_oddtreerow:
 242       // Background color of odd list rows.
 243       aResult = NS_TRANSPARENT;
 244       break;
 245     case eColorID__moz_nativehyperlinktext:
 246       // There appears to be no available system defined color. HARDCODING to the appropriate color.
 247       aResult = NS_RGB(0x14, 0x4F, 0xAE);
 248       break;
 249     default:
 250       NS_WARNING("Someone asked nsILookAndFeel for a color I don't know about");
 251       aResult = NS_RGB(0xff, 0xff, 0xff);
 252       res = NS_ERROR_FAILURE;
 253       break;
 254   }
 255
 256   return res;
 257 }
 258
 259 NS_IMETHODIMP
 260 nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult) {
 261   nsresult res = nsXPLookAndFeel::GetIntImpl(aID, aResult);
 262   if (NS_SUCCEEDED(res)) return res;
 263   res = NS_OK;
 264
 265   switch (aID) {
 266     case eIntID_CaretBlinkTime:
 267       aResult = 567;
 268       break;
 269     case eIntID_CaretWidth:
 270       aResult = 1;
 271       break;
 272     case eIntID_ShowCaretDuringSelection:
 273       aResult = 0;
 274       break;
 275     case eIntID_SelectTextfieldsOnKeyFocus:
 276       // Select textfield content when focused by kbd
 277       // used by nsEventStateManager::sTextfieldSelectModel
 278       aResult = 1;
 279       break;
 280     case eIntID_SubmenuDelay:
 281       aResult = 200;
 282       break;
 283     case eIntID_MenusCanOverlapOSBar:
 284       // xul popups are not allowed to overlap the menubar.
 285       aResult = 0;
 286       break;
 287     case eIntID_SkipNavigatingDisabledMenuItem:
 288       aResult = 1;
 289       break;
 290     case eIntID_DragThresholdX:
 291     case eIntID_DragThresholdY:
 292       aResult = 4;
 293       break;
 294     case eIntID_ScrollArrowStyle:
 295       aResult = eScrollArrow_None;
 296       break;
 297     case eIntID_ScrollSliderStyle:
 298       aResult = eScrollThumbStyle_Proportional;
 299       break;
 300     case eIntID_TreeOpenDelay:
 301       aResult = 1000;
 302       break;
 303     case eIntID_TreeCloseDelay:
 304       aResult = 1000;
 305       break;
 306     case eIntID_TreeLazyScrollDelay:
 307       aResult = 150;
 308       break;
 309     case eIntID_TreeScrollDelay:
 310       aResult = 100;
 311       break;
 312     case eIntID_TreeScrollLinesMax:
 313       aResult = 3;
 314       break;
 315     case eIntID_DWMCompositor:
 316     case eIntID_WindowsClassic:
 317     case eIntID_WindowsDefaultTheme:
 318     case eIntID_TouchEnabled:
 319       aResult = 0;
 320       res = NS_ERROR_NOT_IMPLEMENTED;
 321       break;
 322     case eIntID_MacGraphiteTheme:
 323       aResult = 0;
 324       break;
 325     case eIntID_TabFocusModel:
 326       aResult = 1;  // default to just textboxes
 327       break;
 328     case eIntID_ScrollToClick:
 329       aResult = 0;
 330       break;
 331     case eIntID_ChosenMenuItemsShouldBlink:
 332       aResult = 1;
 333       break;
 334     case eIntID_IMERawInputUnderlineStyle:
 335     case eIntID_IMEConvertedTextUnderlineStyle:
 336     case eIntID_IMESelectedRawTextUnderlineStyle:
 337     case eIntID_IMESelectedConvertedTextUnderline:
 338       aResult = NS_STYLE_TEXT_DECORATION_STYLE_SOLID;
 339       break;
 340     case eIntID_SpellCheckerUnderlineStyle:
 341       aResult = NS_STYLE_TEXT_DECORATION_STYLE_DOTTED;
 342       break;
 343     case eIntID_ContextMenuOffsetVertical:
 344     case eIntID_ContextMenuOffsetHorizontal:
 345       aResult = 2;
 346       break;
 347     default:
 348       aResult = 0;
 349       res = NS_ERROR_FAILURE;
 350   }
 351   return res;
 352 }
 353
 354 NS_IMETHODIMP
 355 nsLookAndFeel::GetFloatImpl(FloatID aID, float &aResult) {
 356   nsresult res = nsXPLookAndFeel::GetFloatImpl(aID, aResult);
 357   if (NS_SUCCEEDED(res)) return res;
 358   res = NS_OK;
 359
 360   switch (aID) {
 361     case eFloatID_IMEUnderlineRelativeSize:
 362       aResult = 2.0f;
 363       break;
 364     case eFloatID_SpellCheckerUnderlineRelativeSize:
 365       aResult = 2.0f;
 366       break;
 367     default:
 368       aResult = -1.0;
 369       res = NS_ERROR_FAILURE;
 370   }
 371
 372   return res;
 373 }
 374
 375 bool nsLookAndFeel::GetFontImpl(FontID aID, nsString &aFontName, gfxFontStyle &aFontStyle) {
 376   // hack for now
 377   if (aID == eFont_Window || aID == eFont_Document) {
 378     aFontStyle.style = FontSlantStyle::Normal();
 379     aFontStyle.weight = FontWeight::Normal();
 380     aFontStyle.stretch = FontStretch::Normal();
 381     aFontStyle.size = 14;
 382     aFontStyle.systemFont = true;
 383
 384     aFontName.AssignLiteral("sans-serif");
 385     return true;
 386   }
 387
 388   // TODO: implement more here?
 389   return false;
 390 }
 391
 392 void nsLookAndFeel::EnsureInit() {
 393   if (mInitialized) {
 394     return;
 395   }
 396   mInitialized = true;
 397
 398   nscolor color;
 399   GetColor(eColorID_TextSelectBackground, color);
 400   if (color == 0x000000) {
 401     mColorTextSelectForeground = NS_RGB(0xff, 0xff, 0xff);
 402   } else {
 403     mColorTextSelectForeground = NS_DONT_CHANGE_COLOR;
 404   }
 405
 406   mColorDarkText = GetColorFromUIColor([UIColor darkTextColor]);
 407 }