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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 #include "ui/base/native_theme/native_theme_android.h" | |
| 6 | |
| 7 #include <limits> | |
| 8 | |
| 9 #include "base/basictypes.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "grit/gfx_resources.h" | |
| 12 #include "third_party/skia/include/effects/SkGradientShader.h" | |
| 13 #include "ui/base/resource/resource_bundle.h" | |
| 14 #include "ui/gfx/color_utils.h" | |
| 15 #include "ui/gfx/rect.h" | |
| 16 #include "ui/gfx/size.h" | |
| 17 | |
| 18 namespace { | |
| 19 | |
| 20 const unsigned int kButtonLength = 14; | |
| 21 const unsigned int kScrollbarWidth = 15; | |
| 22 const unsigned int kThumbInactiveColor = 0xeaeaea; | |
| 23 const unsigned int kTrackColor= 0xd3d3d3; | |
| 24 | |
| 25 // These are the default dimensions of radio buttons and checkboxes. | |
| 26 const int kCheckboxAndRadioWidth = 13; | |
| 27 const int kCheckboxAndRadioHeight = 13; | |
| 28 | |
| 29 // These sizes match the sizes in Chromium Win. | |
| 30 const int kSliderThumbWidth = 11; | |
| 31 const int kSliderThumbHeight = 21; | |
| 32 | |
| 33 const SkColor kSliderTrackBackgroundColor = SkColorSetRGB(0xe3, 0xdd, 0xd8); | |
| 34 const SkColor kSliderThumbLightGrey = SkColorSetRGB(0xf4, 0xf2, 0xef); | |
| 35 const SkColor kSliderThumbDarkGrey = SkColorSetRGB(0xea, 0xe5, 0xe0); | |
| 36 const SkColor kSliderThumbBorderDarkGrey = SkColorSetRGB(0x9d, 0x96, 0x8e); | |
| 37 | |
| 38 // Get lightness adjusted color. | |
| 39 SkColor BrightenColor(const color_utils::HSL& hsl, | |
| 40 SkAlpha alpha, | |
| 41 double lightness_amount) { | |
| 42 color_utils::HSL adjusted = hsl; | |
| 43 adjusted.l += lightness_amount; | |
| 44 if (adjusted.l > 1.0) | |
| 45 adjusted.l = 1.0; | |
| 46 if (adjusted.l < 0.0) | |
| 47 adjusted.l = 0.0; | |
| 48 | |
| 49 return color_utils::HSLToSkColor(adjusted, alpha); | |
| 50 } | |
| 51 | |
| 52 } // namespace | |
| 53 | |
| 54 namespace ui { | |
| 55 | |
| 56 // static | |
| 57 const NativeTheme* NativeTheme::instance() { | |
| 58 return NativeThemeAndroid::instance(); | |
| 59 } | |
| 60 | |
| 61 // static | |
| 62 const NativeThemeAndroid* NativeThemeAndroid::instance() { | |
| 63 CR_DEFINE_STATIC_LOCAL(NativeThemeAndroid, s_native_theme, ()); | |
| 64 return &s_native_theme; | |
| 65 } | |
| 66 | |
| 67 gfx::Size NativeThemeAndroid::GetPartSize(Part part, | |
| 68 State state, | |
| 69 const ExtraParams& extra) const { | |
| 70 switch (part) { | |
| 71 case kScrollbarDownArrow: | |
| 72 case kScrollbarUpArrow: | |
| 73 return gfx::Size(kScrollbarWidth, kButtonLength); | |
| 74 case kScrollbarLeftArrow: | |
| 75 case kScrollbarRightArrow: | |
| 76 return gfx::Size(kButtonLength, kScrollbarWidth); | |
| 77 case kCheckbox: | |
| 78 case kRadio: | |
| 79 return gfx::Size(kCheckboxAndRadioWidth, kCheckboxAndRadioHeight); | |
| 80 case kSliderThumb: | |
| 81 // These sizes match the sizes in Chromium Win. | |
| 82 return gfx::Size(kSliderThumbWidth, kSliderThumbHeight); | |
| 83 case kInnerSpinButton: | |
| 84 return gfx::Size(kScrollbarWidth, 0); | |
| 85 case kPushButton: | |
| 86 case kTextField: | |
| 87 case kMenuList: | |
| 88 case kSliderTrack: | |
| 89 case kProgressBar: | |
| 90 return gfx::Size(); // No default size. | |
| 91 default: | |
| 92 NOTREACHED(); | |
| 93 } | |
| 94 return gfx::Size(); | |
| 95 } | |
| 96 | |
| 97 void NativeThemeAndroid::Paint(SkCanvas* canvas, | |
| 98 Part part, | |
| 99 State state, | |
| 100 const gfx::Rect& rect, | |
| 101 const ExtraParams& extra) const { | |
| 102 switch (part) { | |
| 103 case kScrollbarDownArrow: | |
| 104 case kScrollbarUpArrow: | |
| 105 case kScrollbarLeftArrow: | |
| 106 case kScrollbarRightArrow: | |
| 107 PaintArrowButton(canvas, rect, part, state); | |
| 108 break; | |
| 109 case kCheckbox: | |
| 110 PaintCheckbox(canvas, state, rect, extra.button); | |
| 111 break; | |
| 112 case kRadio: | |
| 113 PaintRadio(canvas, state, rect, extra.button); | |
| 114 break; | |
| 115 case kPushButton: | |
| 116 PaintButton(canvas, state, rect, extra.button); | |
| 117 break; | |
| 118 case kTextField: | |
| 119 PaintTextField(canvas, state, rect, extra.text_field); | |
| 120 break; | |
| 121 case kMenuList: | |
| 122 PaintMenuList(canvas, state, rect, extra.menu_list); | |
| 123 break; | |
| 124 case kSliderTrack: | |
| 125 PaintSliderTrack(canvas, state, rect, extra.slider); | |
| 126 break; | |
| 127 case kSliderThumb: | |
| 128 PaintSliderThumb(canvas, state, rect, extra.slider); | |
| 129 break; | |
| 130 case kInnerSpinButton: | |
| 131 PaintInnerSpinButton(canvas, state, rect, extra.inner_spin); | |
| 132 break; | |
| 133 case kProgressBar: | |
| 134 PaintProgressBar(canvas, state, rect, extra.progress_bar); | |
| 135 break; | |
| 136 default: | |
| 137 NOTREACHED(); | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 SkColor NativeThemeAndroid::GetSystemColor(ColorId color_id) const { | |
| 142 NOTIMPLEMENTED(); | |
| 143 return SK_ColorBLACK; | |
| 144 } | |
| 145 | |
| 146 NativeThemeAndroid::NativeThemeAndroid() { | |
| 147 } | |
| 148 | |
| 149 NativeThemeAndroid::~NativeThemeAndroid() { | |
| 150 } | |
| 151 | |
| 152 void NativeThemeAndroid::PaintArrowButton(SkCanvas* canvas, | |
| 153 const gfx::Rect& rect, | |
| 154 Part direction, | |
| 155 State state) const { | |
| 156 int widthMiddle; | |
| 157 int lengthMiddle; | |
| 158 SkPaint paint; | |
| 159 if (direction == kScrollbarUpArrow || direction == kScrollbarDownArrow) { | |
| 160 widthMiddle = rect.width() / 2 + 1; | |
| 161 lengthMiddle = rect.height() / 2 + 1; | |
| 162 } else { | |
| 163 lengthMiddle = rect.width() / 2 + 1; | |
| 164 widthMiddle = rect.height() / 2 + 1; | |
| 165 } | |
| 166 | |
| 167 // Calculate button color. | |
| 168 SkScalar trackHSV[3]; | |
| 169 SkColorToHSV(kTrackColor, trackHSV); | |
| 170 SkColor buttonColor = SaturateAndBrighten(trackHSV, 0, 0.2); | |
| 171 SkColor backgroundColor = buttonColor; | |
| 172 if (state == kPressed) { | |
| 173 SkScalar buttonHSV[3]; | |
| 174 SkColorToHSV(buttonColor, buttonHSV); | |
| 175 buttonColor = SaturateAndBrighten(buttonHSV, 0, -0.1); | |
| 176 } else if (state == kHovered) { | |
| 177 SkScalar buttonHSV[3]; | |
| 178 SkColorToHSV(buttonColor, buttonHSV); | |
| 179 buttonColor = SaturateAndBrighten(buttonHSV, 0, 0.05); | |
| 180 } | |
| 181 | |
| 182 SkIRect skrect; | |
| 183 skrect.set(rect.x(), rect.y(), rect.x() + rect.width(), rect.y() | |
| 184 + rect.height()); | |
| 185 // Paint the background (the area visible behind the rounded corners). | |
| 186 paint.setColor(backgroundColor); | |
| 187 canvas->drawIRect(skrect, paint); | |
| 188 | |
| 189 // Paint the button's outline and fill the middle | |
| 190 SkPath outline; | |
| 191 switch (direction) { | |
| 192 case kScrollbarUpArrow: | |
| 193 outline.moveTo(rect.x() + 0.5, rect.y() + rect.height() + 0.5); | |
| 194 outline.rLineTo(0, -(rect.height() - 2)); | |
| 195 outline.rLineTo(2, -2); | |
| 196 outline.rLineTo(rect.width() - 5, 0); | |
| 197 outline.rLineTo(2, 2); | |
| 198 outline.rLineTo(0, rect.height() - 2); | |
| 199 break; | |
| 200 case kScrollbarDownArrow: | |
| 201 outline.moveTo(rect.x() + 0.5, rect.y() - 0.5); | |
| 202 outline.rLineTo(0, rect.height() - 2); | |
| 203 outline.rLineTo(2, 2); | |
| 204 outline.rLineTo(rect.width() - 5, 0); | |
| 205 outline.rLineTo(2, -2); | |
| 206 outline.rLineTo(0, -(rect.height() - 2)); | |
| 207 break; | |
| 208 case kScrollbarRightArrow: | |
| 209 outline.moveTo(rect.x() - 0.5, rect.y() + 0.5); | |
| 210 outline.rLineTo(rect.width() - 2, 0); | |
| 211 outline.rLineTo(2, 2); | |
| 212 outline.rLineTo(0, rect.height() - 5); | |
| 213 outline.rLineTo(-2, 2); | |
| 214 outline.rLineTo(-(rect.width() - 2), 0); | |
| 215 break; | |
| 216 case kScrollbarLeftArrow: | |
| 217 outline.moveTo(rect.x() + rect.width() + 0.5, rect.y() + 0.5); | |
| 218 outline.rLineTo(-(rect.width() - 2), 0); | |
| 219 outline.rLineTo(-2, 2); | |
| 220 outline.rLineTo(0, rect.height() - 5); | |
| 221 outline.rLineTo(2, 2); | |
| 222 outline.rLineTo(rect.width() - 2, 0); | |
| 223 break; | |
| 224 default: | |
| 225 break; | |
| 226 } | |
| 227 outline.close(); | |
| 228 | |
| 229 paint.setStyle(SkPaint::kFill_Style); | |
| 230 paint.setColor(buttonColor); | |
| 231 canvas->drawPath(outline, paint); | |
| 232 | |
| 233 paint.setAntiAlias(true); | |
| 234 paint.setStyle(SkPaint::kStroke_Style); | |
| 235 SkScalar thumbHSV[3]; | |
| 236 SkColorToHSV(kThumbInactiveColor, thumbHSV); | |
| 237 paint.setColor(OutlineColor(trackHSV, thumbHSV)); | |
| 238 canvas->drawPath(outline, paint); | |
| 239 | |
| 240 // If the button is disabled or read-only, the arrow is drawn with the | |
| 241 // outline color. | |
| 242 if (state != kDisabled) | |
| 243 paint.setColor(SK_ColorBLACK); | |
| 244 | |
| 245 paint.setAntiAlias(false); | |
| 246 paint.setStyle(SkPaint::kFill_Style); | |
| 247 | |
| 248 SkPath path; | |
| 249 // The constants in this block of code are hand-tailored to produce good | |
| 250 // looking arrows without anti-aliasing. | |
| 251 switch (direction) { | |
| 252 case kScrollbarUpArrow: | |
| 253 path.moveTo(rect.x() + widthMiddle - 4, rect.y() + lengthMiddle + 2); | |
| 254 path.rLineTo(7, 0); | |
| 255 path.rLineTo(-4, -4); | |
| 256 break; | |
| 257 case kScrollbarDownArrow: | |
| 258 path.moveTo(rect.x() + widthMiddle - 4, rect.y() + lengthMiddle - 3); | |
| 259 path.rLineTo(7, 0); | |
| 260 path.rLineTo(-4, 4); | |
| 261 break; | |
| 262 case kScrollbarRightArrow: | |
| 263 path.moveTo(rect.x() + lengthMiddle - 3, rect.y() + widthMiddle - 4); | |
| 264 path.rLineTo(0, 7); | |
| 265 path.rLineTo(4, -4); | |
| 266 break; | |
| 267 case kScrollbarLeftArrow: | |
| 268 path.moveTo(rect.x() + lengthMiddle + 1, rect.y() + widthMiddle - 5); | |
| 269 path.rLineTo(0, 9); | |
| 270 path.rLineTo(-4, -4); | |
| 271 break; | |
| 272 default: | |
| 273 break; | |
| 274 } | |
| 275 path.close(); | |
| 276 | |
| 277 canvas->drawPath(path, paint); | |
| 278 } | |
| 279 | |
| 280 void NativeThemeAndroid::PaintCheckbox(SkCanvas* canvas, | |
| 281 State state, | |
| 282 const gfx::Rect& rect, | |
| 283 const ButtonExtraParams& button) const { | |
| 284 ResourceBundle& rb = ResourceBundle::GetSharedInstance(); | |
| 285 SkBitmap* image = NULL; | |
| 286 if (button.indeterminate) { | |
| 287 image = state == kDisabled ? | |
| 288 rb.GetBitmapNamed(IDR_CHECKBOX_DISABLED_INDETERMINATE) : | |
| 289 rb.GetBitmapNamed(IDR_CHECKBOX_INDETERMINATE); | |
| 290 } else if (button.checked) { | |
| 291 image = state == kDisabled ? | |
| 292 rb.GetBitmapNamed(IDR_CHECKBOX_DISABLED_ON) : | |
| 293 rb.GetBitmapNamed(IDR_CHECKBOX_ON); | |
| 294 } else { | |
| 295 image = state == kDisabled ? | |
| 296 rb.GetBitmapNamed(IDR_CHECKBOX_DISABLED_OFF) : | |
| 297 rb.GetBitmapNamed(IDR_CHECKBOX_OFF); | |
| 298 } | |
| 299 | |
| 300 gfx::Rect bounds = rect.Center(gfx::Size(image->width(), image->height())); | |
| 301 DrawBitmapInt(canvas, *image, 0, 0, image->width(), image->height(), | |
| 302 bounds.x(), bounds.y(), bounds.width(), bounds.height()); | |
| 303 } | |
| 304 | |
| 305 void NativeThemeAndroid::PaintRadio(SkCanvas* canvas, | |
| 306 State state, | |
| 307 const gfx::Rect& rect, | |
| 308 const ButtonExtraParams& button) const { | |
| 309 ResourceBundle& rb = ResourceBundle::GetSharedInstance(); | |
| 310 SkBitmap* image = NULL; | |
| 311 if (state == kDisabled) { | |
| 312 image = button.checked ? | |
| 313 rb.GetBitmapNamed(IDR_RADIO_DISABLED_ON) : | |
| 314 rb.GetBitmapNamed(IDR_RADIO_DISABLED_OFF); | |
| 315 } else { | |
| 316 image = button.checked ? | |
| 317 rb.GetBitmapNamed(IDR_RADIO_ON) : | |
| 318 rb.GetBitmapNamed(IDR_RADIO_OFF); | |
| 319 } | |
| 320 | |
| 321 gfx::Rect bounds = rect.Center(gfx::Size(image->width(), image->height())); | |
| 322 DrawBitmapInt(canvas, *image, 0, 0, image->width(), image->height(), | |
| 323 bounds.x(), bounds.y(), bounds.width(), bounds.height()); | |
| 324 } | |
| 325 | |
| 326 void NativeThemeAndroid::PaintButton(SkCanvas* canvas, | |
| 327 State state, | |
| 328 const gfx::Rect& rect, | |
| 329 const ButtonExtraParams& button) const { | |
| 330 SkPaint paint; | |
| 331 SkRect skrect; | |
| 332 int kRight = rect.right(); | |
| 333 int kBottom = rect.bottom(); | |
| 334 SkColor base_color = button.background_color; | |
| 335 | |
| 336 color_utils::HSL base_hsl; | |
| 337 color_utils::SkColorToHSL(base_color, &base_hsl); | |
| 338 | |
| 339 // Our standard gradient is from 0xdd to 0xf8. This is the amount of | |
| 340 // increased luminance between those values. | |
| 341 SkColor light_color(BrightenColor(base_hsl, SkColorGetA(base_color), 0.105)); | |
| 342 | |
| 343 // If the button is too small, fallback to drawing a single, solid color | |
| 344 if (rect.width() < 5 || rect.height() < 5) { | |
| 345 paint.setColor(base_color); | |
| 346 skrect.set(rect.x(), rect.y(), kRight, kBottom); | |
| 347 canvas->drawRect(skrect, paint); | |
| 348 return; | |
| 349 } | |
| 350 | |
| 351 if (button.has_border) { | |
| 352 int kBorderAlpha = state == kHovered ? 0x80 : 0x55; | |
| 353 paint.setARGB(kBorderAlpha, 0, 0, 0); | |
| 354 canvas->drawLine(rect.x() + 1, rect.y(), kRight - 1, rect.y(), paint); | |
| 355 canvas->drawLine(kRight - 1, rect.y() + 1, kRight - 1, kBottom - 1, paint); | |
| 356 canvas->drawLine(rect.x() + 1, kBottom - 1, kRight - 1, kBottom - 1, paint); | |
| 357 canvas->drawLine(rect.x(), rect.y() + 1, rect.x(), kBottom - 1, paint); | |
| 358 } | |
| 359 | |
| 360 paint.setColor(SK_ColorBLACK); | |
| 361 int kLightEnd = state == kPressed ? 1 : 0; | |
| 362 int kDarkEnd = !kLightEnd; | |
| 363 SkPoint gradient_bounds[2]; | |
| 364 gradient_bounds[kLightEnd].iset(rect.x(), rect.y()); | |
| 365 gradient_bounds[kDarkEnd].iset(rect.x(), kBottom - 1); | |
| 366 SkColor colors[2]; | |
| 367 colors[0] = light_color; | |
| 368 colors[1] = base_color; | |
| 369 | |
| 370 SkShader* shader = SkGradientShader::CreateLinear( | |
| 371 gradient_bounds, colors, NULL, 2, SkShader::kClamp_TileMode, NULL); | |
| 372 paint.setStyle(SkPaint::kFill_Style); | |
| 373 paint.setShader(shader); | |
| 374 shader->unref(); | |
| 375 | |
| 376 if (button.has_border) { | |
| 377 skrect.set(rect.x() + 1, rect.y() + 1, kRight - 1, kBottom - 1); | |
| 378 } else { | |
| 379 skrect.set(rect.x(), rect.y(), kRight, kBottom); | |
| 380 } | |
| 381 canvas->drawRect(skrect, paint); | |
| 382 paint.setShader(NULL); | |
| 383 | |
| 384 if (button.has_border) { | |
| 385 paint.setColor(BrightenColor(base_hsl, SkColorGetA(base_color), -0.0588)); | |
| 386 canvas->drawPoint(rect.x() + 1, rect.y() + 1, paint); | |
| 387 canvas->drawPoint(kRight - 2, rect.y() + 1, paint); | |
| 388 canvas->drawPoint(rect.x() + 1, kBottom - 2, paint); | |
| 389 canvas->drawPoint(kRight - 2, kBottom - 2, paint); | |
| 390 } | |
| 391 } | |
| 392 | |
| 393 void NativeThemeAndroid::PaintTextField( | |
| 394 SkCanvas* canvas, | |
| 395 State state, | |
| 396 const gfx::Rect& rect, | |
| 397 const TextFieldExtraParams& text) const { | |
| 398 // The following drawing code simulates the user-agent css border for | |
| 399 // text area and text input so that we do not break layout tests. Once we | |
| 400 // have decided the desired looks, we should update the code here and | |
| 401 // the layout test expectations. | |
| 402 SkRect bounds; | |
| 403 bounds.set(rect.x(), rect.y(), rect.right() - 1, rect.bottom() - 1); | |
| 404 | |
| 405 SkPaint fill_paint; | |
| 406 fill_paint.setStyle(SkPaint::kFill_Style); | |
| 407 fill_paint.setColor(text.background_color); | |
| 408 canvas->drawRect(bounds, fill_paint); | |
| 409 | |
| 410 if (text.is_text_area) { | |
| 411 // Draw text area border: 1px solid black | |
| 412 SkPaint stroke_paint; | |
| 413 fill_paint.setStyle(SkPaint::kStroke_Style); | |
| 414 fill_paint.setColor(SK_ColorBLACK); | |
| 415 canvas->drawRect(bounds, fill_paint); | |
| 416 } else { | |
| 417 // Draw text input and listbox inset border | |
| 418 // Text Input: 2px inset #eee | |
| 419 // Listbox: 1px inset #808080 | |
| 420 SkColor kLightColor = text.is_listbox ? | |
| 421 SkColorSetRGB(0x80, 0x80, 0x80) : SkColorSetRGB(0xee, 0xee, 0xee); | |
| 422 SkColor kDarkColor = text.is_listbox ? | |
| 423 SkColorSetRGB(0x2c, 0x2c, 0x2c) : SkColorSetRGB(0x9a, 0x9a, 0x9a); | |
| 424 int kBorderWidth = text.is_listbox ? 1 : 2; | |
| 425 | |
| 426 SkPaint dark_paint; | |
| 427 dark_paint.setAntiAlias(true); | |
| 428 dark_paint.setStyle(SkPaint::kFill_Style); | |
| 429 dark_paint.setColor(kDarkColor); | |
| 430 | |
| 431 SkPaint light_paint; | |
| 432 light_paint.setAntiAlias(true); | |
| 433 light_paint.setStyle(SkPaint::kFill_Style); | |
| 434 light_paint.setColor(kLightColor); | |
| 435 | |
| 436 int left = rect.x(); | |
| 437 int top = rect.y(); | |
| 438 int right = rect.right(); | |
| 439 int bottom = rect.bottom(); | |
| 440 | |
| 441 SkPath path; | |
| 442 path.incReserve(4); | |
| 443 | |
| 444 // Top | |
| 445 path.moveTo(SkIntToScalar(left), SkIntToScalar(top)); | |
| 446 path.lineTo(SkIntToScalar(left + kBorderWidth), | |
| 447 SkIntToScalar(top + kBorderWidth)); | |
| 448 path.lineTo(SkIntToScalar(right - kBorderWidth), | |
| 449 SkIntToScalar(top + kBorderWidth)); | |
| 450 path.lineTo(SkIntToScalar(right), SkIntToScalar(top)); | |
| 451 canvas->drawPath(path, dark_paint); | |
| 452 | |
| 453 // Bottom | |
| 454 path.reset(); | |
| 455 path.moveTo(SkIntToScalar(left + kBorderWidth), | |
| 456 SkIntToScalar(bottom - kBorderWidth)); | |
| 457 path.lineTo(SkIntToScalar(left), SkIntToScalar(bottom)); | |
| 458 path.lineTo(SkIntToScalar(right), SkIntToScalar(bottom)); | |
| 459 path.lineTo(SkIntToScalar(right - kBorderWidth), | |
| 460 SkIntToScalar(bottom - kBorderWidth)); | |
| 461 canvas->drawPath(path, light_paint); | |
| 462 | |
| 463 // Left | |
| 464 path.reset(); | |
| 465 path.moveTo(SkIntToScalar(left), SkIntToScalar(top)); | |
| 466 path.lineTo(SkIntToScalar(left), SkIntToScalar(bottom)); | |
| 467 path.lineTo(SkIntToScalar(left + kBorderWidth), | |
| 468 SkIntToScalar(bottom - kBorderWidth)); | |
| 469 path.lineTo(SkIntToScalar(left + kBorderWidth), | |
| 470 SkIntToScalar(top + kBorderWidth)); | |
| 471 canvas->drawPath(path, dark_paint); | |
| 472 | |
| 473 // Right | |
| 474 path.reset(); | |
| 475 path.moveTo(SkIntToScalar(right - kBorderWidth), | |
| 476 SkIntToScalar(top + kBorderWidth)); | |
| 477 path.lineTo(SkIntToScalar(right - kBorderWidth), SkIntToScalar(bottom)); | |
| 478 path.lineTo(SkIntToScalar(right), SkIntToScalar(bottom)); | |
| 479 path.lineTo(SkIntToScalar(right), SkIntToScalar(top)); | |
| 480 canvas->drawPath(path, light_paint); | |
| 481 } | |
| 482 } | |
| 483 | |
| 484 void NativeThemeAndroid::PaintMenuList( | |
| 485 SkCanvas* canvas, | |
| 486 State state, | |
| 487 const gfx::Rect& rect, | |
| 488 const MenuListExtraParams& menu_list) const { | |
| 489 // If a border radius is specified, we let the WebCore paint the background | |
| 490 // and the border of the control. | |
| 491 if (!menu_list.has_border_radius) { | |
| 492 ButtonExtraParams button = { 0 }; | |
| 493 button.background_color = menu_list.background_color; | |
| 494 button.has_border = menu_list.has_border; | |
| 495 PaintButton(canvas, state, rect, button); | |
| 496 } | |
| 497 | |
| 498 SkPaint paint; | |
| 499 paint.setColor(SK_ColorBLACK); | |
| 500 paint.setAntiAlias(true); | |
| 501 paint.setStyle(SkPaint::kFill_Style); | |
| 502 | |
| 503 SkPath path; | |
| 504 path.moveTo(menu_list.arrow_x, menu_list.arrow_y - 3); | |
| 505 path.rLineTo(6, 0); | |
| 506 path.rLineTo(-3, 6); | |
| 507 path.close(); | |
| 508 canvas->drawPath(path, paint); | |
| 509 } | |
| 510 | |
| 511 void NativeThemeAndroid::PaintSliderTrack( | |
| 512 SkCanvas* canvas, | |
| 513 State state, | |
| 514 const gfx::Rect& rect, | |
| 515 const SliderExtraParams& slider) const { | |
| 516 int kMidX = rect.x() + rect.width() / 2; | |
| 517 int kMidY = rect.y() + rect.height() / 2; | |
| 518 | |
| 519 SkPaint paint; | |
| 520 paint.setColor(kSliderTrackBackgroundColor); | |
| 521 | |
| 522 SkRect skrect; | |
| 523 if (slider.vertical) { | |
| 524 skrect.set(std::max(rect.x(), kMidX - 2), | |
| 525 rect.y(), | |
| 526 std::min(rect.right(), kMidX + 2), | |
| 527 rect.bottom()); | |
| 528 } else { | |
| 529 skrect.set(rect.x(), | |
| 530 std::max(rect.y(), kMidY - 2), | |
| 531 rect.right(), | |
| 532 std::min(rect.bottom(), kMidY + 2)); | |
| 533 } | |
| 534 canvas->drawRect(skrect, paint); | |
| 535 } | |
| 536 | |
| 537 void NativeThemeAndroid::PaintSliderThumb( | |
| 538 SkCanvas* canvas, | |
| 539 State state, | |
| 540 const gfx::Rect& rect, | |
| 541 const SliderExtraParams& slider) const { | |
| 542 bool hovered = (state == kHovered) || slider.in_drag; | |
| 543 int kMidX = rect.x() + rect.width() / 2; | |
| 544 int kMidY = rect.y() + rect.height() / 2; | |
| 545 | |
| 546 SkPaint paint; | |
| 547 paint.setColor(hovered ? SK_ColorWHITE : kSliderThumbLightGrey); | |
| 548 | |
| 549 SkIRect skrect; | |
| 550 if (slider.vertical) | |
| 551 skrect.set(rect.x(), rect.y(), kMidX + 1, rect.bottom()); | |
| 552 else | |
| 553 skrect.set(rect.x(), rect.y(), rect.right(), kMidY + 1); | |
| 554 | |
| 555 canvas->drawIRect(skrect, paint); | |
| 556 | |
| 557 paint.setColor(hovered ? kSliderThumbLightGrey : kSliderThumbDarkGrey); | |
| 558 | |
| 559 if (slider.vertical) | |
| 560 skrect.set(kMidX + 1, rect.y(), rect.right(), rect.bottom()); | |
| 561 else | |
| 562 skrect.set(rect.x(), kMidY + 1, rect.right(), rect.bottom()); | |
| 563 | |
| 564 canvas->drawIRect(skrect, paint); | |
| 565 | |
| 566 paint.setColor(kSliderThumbBorderDarkGrey); | |
| 567 DrawBox(canvas, rect, paint); | |
| 568 | |
| 569 if (rect.height() > 10 && rect.width() > 10) { | |
| 570 DrawHorizLine(canvas, kMidX - 2, kMidX + 2, kMidY, paint); | |
| 571 DrawHorizLine(canvas, kMidX - 2, kMidX + 2, kMidY - 3, paint); | |
| 572 DrawHorizLine(canvas, kMidX - 2, kMidX + 2, kMidY + 3, paint); | |
| 573 } | |
| 574 } | |
| 575 | |
| 576 void NativeThemeAndroid::PaintInnerSpinButton( | |
| 577 SkCanvas* canvas, | |
| 578 State state, | |
| 579 const gfx::Rect& rect, | |
| 580 const InnerSpinButtonExtraParams& spin_button) const { | |
| 581 if (spin_button.read_only) | |
| 582 state = kDisabled; | |
| 583 | |
| 584 State north_state = state; | |
| 585 State south_state = state; | |
| 586 if (spin_button.spin_up) | |
| 587 south_state = south_state != kDisabled ? kNormal : kDisabled; | |
| 588 else | |
| 589 north_state = north_state != kDisabled ? kNormal : kDisabled; | |
| 590 | |
| 591 gfx::Rect half = rect; | |
| 592 half.set_height(rect.height() / 2); | |
| 593 PaintArrowButton(canvas, half, kScrollbarUpArrow, north_state); | |
| 594 | |
| 595 half.set_y(rect.y() + rect.height() / 2); | |
| 596 PaintArrowButton(canvas, half, kScrollbarDownArrow, south_state); | |
| 597 } | |
| 598 | |
| 599 void NativeThemeAndroid::PaintProgressBar( | |
| 600 SkCanvas* canvas, | |
| 601 State state, | |
| 602 const gfx::Rect& rect, | |
| 603 const ProgressBarExtraParams& progress_bar) const { | |
| 604 ResourceBundle& rb = ResourceBundle::GetSharedInstance(); | |
| 605 SkBitmap* bar_image = rb.GetBitmapNamed(IDR_PROGRESS_BAR); | |
| 606 SkBitmap* left_border_image = rb.GetBitmapNamed(IDR_PROGRESS_BORDER_LEFT); | |
| 607 SkBitmap* right_border_image = rb.GetBitmapNamed(IDR_PROGRESS_BORDER_RIGHT); | |
| 608 | |
| 609 double tile_scale = static_cast<double>(rect.height()) / | |
| 610 bar_image->height(); | |
| 611 | |
| 612 int new_tile_width = static_cast<int>(bar_image->width() * tile_scale); | |
| 613 double tile_scale_x = static_cast<double>(new_tile_width) / | |
| 614 bar_image->width(); | |
| 615 | |
| 616 DrawTiledImage(canvas, *bar_image, 0, 0, tile_scale_x, tile_scale, | |
| 617 rect.x(), rect.y(), rect.width(), rect.height()); | |
| 618 | |
| 619 if (progress_bar.value_rect_width) { | |
| 620 SkBitmap* value_image = rb.GetBitmapNamed(IDR_PROGRESS_VALUE); | |
| 621 | |
| 622 new_tile_width = static_cast<int>(value_image->width() * tile_scale); | |
| 623 tile_scale_x = static_cast<double>(new_tile_width) / | |
| 624 value_image->width(); | |
| 625 | |
| 626 DrawTiledImage(canvas, *value_image, 0, 0, tile_scale_x, tile_scale, | |
| 627 progress_bar.value_rect_x, | |
| 628 progress_bar.value_rect_y, | |
| 629 progress_bar.value_rect_width, | |
| 630 progress_bar.value_rect_height); | |
| 631 } | |
| 632 | |
| 633 int dest_left_border_width = static_cast<int>(left_border_image->width() * | |
| 634 tile_scale); | |
| 635 SkRect dest_rect; | |
| 636 dest_rect.iset(rect.x(), rect.y(), rect.x() + dest_left_border_width, | |
| 637 rect.bottom()); | |
| 638 canvas->drawBitmapRect(*left_border_image, NULL, dest_rect); | |
| 639 | |
| 640 int dest_right_border_width = static_cast<int>(right_border_image->width() * | |
| 641 tile_scale); | |
| 642 dest_rect.iset(rect.right() - dest_right_border_width, rect.y(), rect.right(), | |
| 643 rect.bottom()); | |
| 644 canvas->drawBitmapRect(*right_border_image, NULL, dest_rect); | |
| 645 } | |
| 646 | |
| 647 bool NativeThemeAndroid::IntersectsClipRectInt(SkCanvas* canvas, | |
| 648 int x, | |
| 649 int y, | |
| 650 int w, | |
| 651 int h) const { | |
| 652 SkRect clip; | |
| 653 return canvas->getClipBounds(&clip) && | |
| 654 clip.intersect(SkIntToScalar(x), SkIntToScalar(y), SkIntToScalar(x + w), | |
| 655 SkIntToScalar(y + h)); | |
| 656 } | |
| 657 | |
| 658 void NativeThemeAndroid::DrawBitmapInt(SkCanvas* canvas, | |
| 659 const SkBitmap& bitmap, | |
| 660 int src_x, | |
| 661 int src_y, | |
| 662 int src_w, | |
| 663 int src_h, | |
| 664 int dest_x, | |
| 665 int dest_y, | |
| 666 int dest_w, | |
| 667 int dest_h) const { | |
| 668 DLOG_ASSERT(src_x + src_w < std::numeric_limits<int16_t>::max() && | |
| 669 src_y + src_h < std::numeric_limits<int16_t>::max()); | |
| 670 if (src_w <= 0 || src_h <= 0 || dest_w <= 0 || dest_h <= 0) { | |
| 671 NOTREACHED() << "Attempting to draw bitmap to/from an empty rect!"; | |
| 672 return; | |
| 673 } | |
| 674 | |
| 675 if (!IntersectsClipRectInt(canvas, dest_x, dest_y, dest_w, dest_h)) | |
| 676 return; | |
| 677 | |
| 678 SkRect dest_rect = { SkIntToScalar(dest_x), | |
| 679 SkIntToScalar(dest_y), | |
| 680 SkIntToScalar(dest_x + dest_w), | |
| 681 SkIntToScalar(dest_y + dest_h) }; | |
| 682 | |
| 683 if (src_w == dest_w && src_h == dest_h) { | |
| 684 // Workaround for apparent bug in Skia that causes image to occasionally | |
| 685 // shift. | |
| 686 SkIRect src_rect = { src_x, src_y, src_x + src_w, src_y + src_h }; | |
| 687 canvas->drawBitmapRect(bitmap, &src_rect, dest_rect); | |
| 688 return; | |
| 689 } | |
| 690 | |
| 691 // Make a bitmap shader that contains the bitmap we want to draw. This is | |
| 692 // basically what SkCanvas.drawBitmap does internally, but it gives us | |
| 693 // more control over quality and will use the mipmap in the source image if | |
| 694 // it has one, whereas drawBitmap won't. | |
| 695 SkShader* shader = SkShader::CreateBitmapShader(bitmap, | |
| 696 SkShader::kRepeat_TileMode, | |
| 697 SkShader::kRepeat_TileMode); | |
| 698 SkMatrix shader_scale; | |
| 699 shader_scale.setScale(SkFloatToScalar(static_cast<float>(dest_w) / src_w), | |
| 700 SkFloatToScalar(static_cast<float>(dest_h) / src_h)); | |
| 701 shader_scale.preTranslate(SkIntToScalar(-src_x), SkIntToScalar(-src_y)); | |
| 702 shader_scale.postTranslate(SkIntToScalar(dest_x), SkIntToScalar(dest_y)); | |
| 703 shader->setLocalMatrix(shader_scale); | |
| 704 | |
| 705 // The rect will be filled by the bitmap. | |
| 706 SkPaint p; | |
| 707 p.setFilterBitmap(true); | |
| 708 p.setShader(shader); | |
| 709 shader->unref(); | |
| 710 canvas->drawRect(dest_rect, p); | |
| 711 } | |
| 712 | |
| 713 void NativeThemeAndroid::DrawTiledImage(SkCanvas* canvas, | |
| 714 const SkBitmap& bitmap, | |
| 715 int src_x, | |
| 716 int src_y, | |
| 717 double tile_scale_x, | |
| 718 double tile_scale_y, | |
| 719 int dest_x, | |
| 720 int dest_y, | |
| 721 int w, | |
| 722 int h) const { | |
| 723 SkShader* shader = SkShader::CreateBitmapShader(bitmap, | |
| 724 SkShader::kRepeat_TileMode, | |
| 725 SkShader::kRepeat_TileMode); | |
| 726 if (tile_scale_x != 1.0 || tile_scale_y != 1.0) { | |
| 727 SkMatrix shader_scale; | |
| 728 shader_scale.setScale(SkDoubleToScalar(tile_scale_x), | |
| 729 SkDoubleToScalar(tile_scale_y)); | |
| 730 shader->setLocalMatrix(shader_scale); | |
| 731 } | |
| 732 | |
| 733 SkPaint paint; | |
| 734 paint.setShader(shader); | |
| 735 paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); | |
| 736 | |
| 737 // CreateBitmapShader returns a Shader with a reference count of one, we | |
| 738 // need to unref after paint takes ownership of the shader. | |
| 739 shader->unref(); | |
| 740 canvas->save(); | |
| 741 canvas->translate(SkIntToScalar(dest_x - src_x), | |
| 742 SkIntToScalar(dest_y - src_y)); | |
| 743 canvas->clipRect(SkRect::MakeXYWH(src_x, src_y, w, h)); | |
| 744 canvas->drawPaint(paint); | |
| 745 canvas->restore(); | |
| 746 } | |
| 747 | |
| 748 SkColor NativeThemeAndroid::SaturateAndBrighten( | |
| 749 SkScalar* hsv, | |
| 750 SkScalar saturate_amount, | |
| 751 SkScalar brighten_amount) const { | |
| 752 SkScalar color[3]; | |
| 753 color[0] = hsv[0]; | |
| 754 color[1] = Clamp(hsv[1] + saturate_amount, 0.0, 1.0); | |
| 755 color[2] = Clamp(hsv[2] + brighten_amount, 0.0, 1.0); | |
| 756 return SkHSVToColor(color); | |
| 757 } | |
| 758 | |
| 759 SkScalar NativeThemeAndroid::Clamp(SkScalar value, | |
| 760 SkScalar min, | |
| 761 SkScalar max) const { | |
| 762 return std::min(std::max(value, min), max); | |
| 763 } | |
| 764 | |
| 765 void NativeThemeAndroid::DrawVertLine(SkCanvas* canvas, | |
| 766 int x, | |
| 767 int y1, | |
| 768 int y2, | |
| 769 const SkPaint& paint) const { | |
| 770 SkIRect skrect; | |
| 771 skrect.set(x, y1, x + 1, y2 + 1); | |
| 772 canvas->drawIRect(skrect, paint); | |
| 773 } | |
| 774 | |
| 775 void NativeThemeAndroid::DrawHorizLine(SkCanvas* canvas, | |
| 776 int x1, | |
| 777 int x2, | |
| 778 int y, | |
| 779 const SkPaint& paint) const { | |
| 780 SkIRect skrect; | |
| 781 skrect.set(x1, y, x2 + 1, y + 1); | |
| 782 canvas->drawIRect(skrect, paint); | |
| 783 } | |
| 784 | |
| 785 void NativeThemeAndroid::DrawBox(SkCanvas* canvas, | |
| 786 const gfx::Rect& rect, | |
| 787 const SkPaint& paint) const { | |
| 788 int right = rect.x() + rect.width() - 1; | |
| 789 int bottom = rect.y() + rect.height() - 1; | |
| 790 DrawHorizLine(canvas, rect.x(), right, rect.y(), paint); | |
| 791 DrawVertLine(canvas, right, rect.y(), bottom, paint); | |
| 792 DrawHorizLine(canvas, rect.x(), right, bottom, paint); | |
| 793 DrawVertLine(canvas, rect.x(), rect.y(), bottom, paint); | |
| 794 } | |
| 795 | |
| 796 SkColor NativeThemeAndroid::OutlineColor(SkScalar* hsv1, SkScalar* hsv2) const { | |
| 797 SkScalar min_diff = Clamp((hsv1[1] + hsv2[1]) * 1.2, 0.28, 0.5); | |
| 798 SkScalar diff = Clamp(fabs(hsv1[2] - hsv2[2]) / 2, min_diff, 0.5); | |
| 799 | |
| 800 if (hsv1[2] + hsv2[2] > 1.0) | |
| 801 diff = -diff; | |
| 802 | |
| 803 return SaturateAndBrighten(hsv2, -0.2, diff); | |
| 804 } | |
| 805 | |
| 806 } // namespace ui | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 10387121:
Revert 136996 - ui: Move NativeTheme files into ui/base/native_theme/ directory. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/