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/ui/gtk/gtk_theme_service.h" 6 7#include <gtk/gtk.h> 8 9#include <set> 10#include <string> 11 12#include "base/debug/trace_event.h" 13#include "base/environment.h" 14#include "base/nix/mime_util_xdg.h" 15#include "base/nix/xdg_util.h" 16#include "base/prefs/pref_service.h" 17#include "base/stl_util.h" 18#include "chrome/browser/chrome_notification_types.h" 19#include "chrome/browser/profiles/profile.h" 20#include "chrome/browser/themes/custom_theme_supplier.h" 21#include "chrome/browser/themes/theme_properties.h" 22#include "chrome/browser/themes/theme_service_factory.h" 23#include "chrome/browser/ui/browser.h" 24#include "chrome/browser/ui/browser_iterator.h" 25#include "chrome/browser/ui/browser_window.h" 26#include "chrome/browser/ui/gtk/chrome_gtk_frame.h" 27#include "chrome/browser/ui/gtk/gtk_chrome_button.h" 28#include "chrome/browser/ui/gtk/gtk_chrome_link_button.h" 29#include "chrome/browser/ui/gtk/gtk_util.h" 30#include "chrome/browser/ui/gtk/hover_controller_gtk.h" 31#include "chrome/common/extensions/extension.h" 32#include "chrome/common/pref_names.h" 33#include "content/public/browser/notification_details.h" 34#include "content/public/browser/notification_service.h" 35#include "content/public/browser/notification_source.h" 36#include "grit/theme_resources.h" 37#include "grit/ui_resources.h" 38#include "third_party/skia/include/core/SkBitmap.h" 39#include "third_party/skia/include/core/SkCanvas.h" 40#include "third_party/skia/include/core/SkColor.h" 41#include "third_party/skia/include/core/SkShader.h" 42#include "ui/base/gtk/gtk_hig_constants.h" 43#include "ui/base/gtk/gtk_signal_registrar.h" 44#include "ui/base/resource/resource_bundle.h" 45#include "ui/base/theme_provider.h" 46#include "ui/gfx/canvas.h" 47#include "ui/gfx/color_utils.h" 48#include "ui/gfx/gtk_util.h" 49#include "ui/gfx/image/cairo_cached_surface.h" 50#include "ui/gfx/image/image.h" 51#include "ui/gfx/skbitmap_operations.h" 52#include "ui/gfx/skia_util.h" 53#include "ui/gfx/skia_utils_gtk.h" 54 55namespace { 56 57// The size of the rendered toolbar image. 58const int kToolbarImageWidth = 64; 59const int kToolbarImageHeight = 128; 60 61// How much to tint the GTK+ color lighter at the top of the window. 62const color_utils::HSL kGtkFrameShift = { -1, -1, 0.58 }; 63 64// How much to tint the GTK+ color when an explicit frame color hasn't been 65// specified. 66const color_utils::HSL kDefaultFrameShift = { -1, -1, 0.4 }; 67 68// Values used as the new luminance and saturation values in the inactive tab 69// text color. 70const double kDarkInactiveLuminance = 0.85; 71const double kLightInactiveLuminance = 0.15; 72const double kHeavyInactiveSaturation = 0.7; 73const double kLightInactiveSaturation = 0.3; 74 75// Number of times that the background color should be counted when trying to 76// calculate the border color in GTK theme mode. 77const int kBgWeight = 3; 78 79// Padding to left, top and bottom of vertical separators. 80const int kSeparatorPadding = 2; 81 82// Default color for links on the NTP when the GTK+ theme doesn't define a 83// link color. Constant taken from gtklinkbutton.c. 84const GdkColor kDefaultLinkColor = { 0, 0, 0, 0xeeee }; 85 86// Middle color of the separator gradient. 87const double kMidSeparatorColor[] = 88 { 194.0 / 255.0, 205.0 / 255.0, 212.0 / 212.0 }; 89// Top color of the separator gradient. 90const double kTopSeparatorColor[] = 91 { 222.0 / 255.0, 234.0 / 255.0, 248.0 / 255.0 }; 92 93// A list of images that we provide while in gtk mode. 94const int kThemeImages[] = { 95 IDR_THEME_TOOLBAR, 96 IDR_THEME_TAB_BACKGROUND, 97 IDR_THEME_TAB_BACKGROUND_INCOGNITO, 98 IDR_THEME_FRAME, 99 IDR_THEME_FRAME_INACTIVE, 100 IDR_THEME_FRAME_INCOGNITO, 101 IDR_THEME_FRAME_INCOGNITO_INACTIVE, 102}; 103 104// A list of icons used in the autocomplete view that should be tinted to the 105// current gtk theme selection color so they stand out against the GtkEntry's 106// base color. 107// TODO(erg): Decide what to do about other icons that appear in the omnibox, 108// e.g. content settings icons. 109const int kAutocompleteImages[] = { 110 IDR_OMNIBOX_EXTENSION_APP, 111 IDR_OMNIBOX_HTTP, 112 IDR_OMNIBOX_HTTP_DARK, 113 IDR_OMNIBOX_SEARCH, 114 IDR_OMNIBOX_SEARCH_DARK, 115 IDR_OMNIBOX_STAR, 116 IDR_OMNIBOX_STAR_DARK, 117 IDR_OMNIBOX_TTS, 118 IDR_OMNIBOX_TTS_DARK, 119}; 120 121bool IsOverridableImage(int id) { 122 CR_DEFINE_STATIC_LOCAL(std::set<int>, images, ()); 123 if (images.empty()) { 124 images.insert(kThemeImages, kThemeImages + arraysize(kThemeImages)); 125 images.insert(kAutocompleteImages, 126 kAutocompleteImages + arraysize(kAutocompleteImages)); 127 128 const std::set<int>& buttons = 129 ThemeProperties::GetTintableToolbarButtons(); 130 images.insert(buttons.begin(), buttons.end()); 131 } 132 133 return images.count(id) > 0; 134} 135 136// Picks a button tint from a set of background colors. While 137// |accent_gdk_color| will usually be the same color through a theme, this 138// function will get called with the normal GtkLabel |text_color|/GtkWindow 139// |background_color| pair and the GtkEntry |text_color|/|background_color| 140// pair. While 3/4 of the time the resulting tint will be the same, themes that 141// have a dark window background (with light text) and a light text entry (with 142// dark text) will get better icons with this separated out. 143void PickButtonTintFromColors(const GdkColor& accent_gdk_color, 144 const GdkColor& text_color, 145 const GdkColor& background_color, 146 color_utils::HSL* tint) { 147 SkColor accent_color = gfx::GdkColorToSkColor(accent_gdk_color); 148 color_utils::HSL accent_tint; 149 color_utils::SkColorToHSL(accent_color, &accent_tint); 150 151 color_utils::HSL text_tint; 152 color_utils::SkColorToHSL(gfx::GdkColorToSkColor(text_color), &text_tint); 153 154 color_utils::HSL background_tint; 155 color_utils::SkColorToHSL(gfx::GdkColorToSkColor(background_color), 156 &background_tint); 157 158 // If the accent color is gray, then our normal HSL tomfoolery will bring out 159 // whatever color is oddly dominant (for example, in rgb space [125, 128, 160 // 125] will tint green instead of gray). Slight differences (+/-10 (4%) to 161 // all color components) should be interpreted as this color being gray and 162 // we should switch into a special grayscale mode. 163 int rb_diff = abs(SkColorGetR(accent_color) - SkColorGetB(accent_color)); 164 int rg_diff = abs(SkColorGetR(accent_color) - SkColorGetG(accent_color)); 165 int bg_diff = abs(SkColorGetB(accent_color) - SkColorGetG(accent_color)); 166 if (rb_diff < 10 && rg_diff < 10 && bg_diff < 10) { 167 // Our accent is white/gray/black. Only the luminance of the accent color 168 // matters. 169 tint->h = -1; 170 171 // Use the saturation of the text. 172 tint->s = text_tint.s; 173 174 // Use the luminance of the accent color UNLESS there isn't enough 175 // luminance contrast between the accent color and the base color. 176 if (fabs(accent_tint.l - background_tint.l) > 0.3) 177 tint->l = accent_tint.l; 178 else 179 tint->l = text_tint.l; 180 } else { 181 // Our accent is a color. 182 tint->h = accent_tint.h; 183 184 // Don't modify the saturation; the amount of color doesn't matter. 185 tint->s = -1; 186 187 // If the text wants us to darken the icon, don't change the luminance (the 188 // icons are already dark enough). Otherwise, lighten the icon by no more 189 // than 0.9 since we don't want a pure-white icon even if the text is pure 190 // white. 191 if (text_tint.l < 0.5) 192 tint->l = -1; 193 else if (text_tint.l <= 0.9) 194 tint->l = text_tint.l; 195 else 196 tint->l = 0.9; 197 } 198} 199 200 201// Builds and tints the image with |id| to the GtkStateType |state| and 202// places the result in |icon_set|. 203void BuildIconFromIDRWithColor(int id, 204 GtkStyle* style, 205 GtkStateType state, 206 GtkIconSet* icon_set) { 207 SkColor color = gfx::GdkColorToSkColor(style->fg[state]); 208 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); 209 SkBitmap original = rb.GetImageNamed(id).AsBitmap(); 210 211 SkBitmap fill_color; 212 fill_color.setConfig(SkBitmap::kARGB_8888_Config, 213 original.width(), original.height(), 0); 214 fill_color.allocPixels(); 215 fill_color.eraseColor(color); 216 SkBitmap masked = SkBitmapOperations::CreateMaskedBitmap( 217 fill_color, original); 218 219 GtkIconSource* icon = gtk_icon_source_new(); 220 GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(masked); 221 gtk_icon_source_set_pixbuf(icon, pixbuf); 222 g_object_unref(pixbuf); 223 224 gtk_icon_source_set_direction_wildcarded(icon, TRUE); 225 gtk_icon_source_set_size_wildcarded(icon, TRUE); 226 227 gtk_icon_source_set_state(icon, state); 228 // All fields default to wildcarding being on and setting a property doesn't 229 // turn off wildcarding. You need to do this yourself. This is stated once in 230 // the documentation in the gtk_icon_source_new() function, and no where else. 231 gtk_icon_source_set_state_wildcarded( 232 icon, state == GTK_STATE_NORMAL); 233 234 gtk_icon_set_add_source(icon_set, icon); 235 gtk_icon_source_free(icon); 236} 237 238// Applies an HSL shift to a GdkColor (instead of an SkColor) 239void GdkColorHSLShift(const color_utils::HSL& shift, GdkColor* frame_color) { 240 SkColor shifted = color_utils::HSLShift(gfx::GdkColorToSkColor(*frame_color), 241 shift); 242 frame_color->pixel = 0; 243 frame_color->red = SkColorGetR(shifted) * ui::kSkiaToGDKMultiplier; 244 frame_color->green = SkColorGetG(shifted) * ui::kSkiaToGDKMultiplier; 245 frame_color->blue = SkColorGetB(shifted) * ui::kSkiaToGDKMultiplier; 246} 247 248} // namespace 249 250GtkWidget* GtkThemeService::icon_widget_ = NULL; 251base::LazyInstance<gfx::Image> GtkThemeService::default_folder_icon_ = 252 LAZY_INSTANCE_INITIALIZER; 253base::LazyInstance<gfx::Image> GtkThemeService::default_bookmark_icon_ = 254 LAZY_INSTANCE_INITIALIZER; 255 256// static 257GtkThemeService* GtkThemeService::GetFrom(Profile* profile) { 258 return static_cast<GtkThemeService*>( 259 ThemeServiceFactory::GetForProfile(profile)); 260} 261 262GtkThemeService::GtkThemeService() 263 : ThemeService(), 264 use_gtk_(false), 265 fake_window_(gtk_window_new(GTK_WINDOW_TOPLEVEL)), 266 fake_frame_(chrome_gtk_frame_new()), 267 signals_(new ui::GtkSignalRegistrar), 268 fullscreen_icon_set_(NULL) { 269 fake_label_.Own(gtk_label_new("")); 270 fake_entry_.Own(gtk_entry_new()); 271 fake_menu_item_.Own(gtk_menu_item_new()); 272 273 // Only realized widgets receive style-set notifications, which we need to 274 // broadcast new theme images and colors. Only realized widgets have style 275 // properties, too, which we query for some colors. 276 gtk_widget_realize(fake_frame_); 277 gtk_widget_realize(fake_window_); 278 signals_->Connect(fake_frame_, "style-set", 279 G_CALLBACK(&OnStyleSetThunk), this); 280} 281 282GtkThemeService::~GtkThemeService() { 283 gtk_widget_destroy(fake_window_); 284 gtk_widget_destroy(fake_frame_); 285 fake_label_.Destroy(); 286 fake_entry_.Destroy(); 287 fake_menu_item_.Destroy(); 288 289 FreeIconSets(); 290 291 // We have to call this because FreePlatformCached() in ~ThemeService 292 // doesn't call the right virutal FreePlatformCaches. 293 FreePlatformCaches(); 294} 295 296void GtkThemeService::Init(Profile* profile) { 297 registrar_.Init(profile->GetPrefs()); 298 registrar_.Add(prefs::kUsesSystemTheme, 299 base::Bind(&GtkThemeService::OnUsesSystemThemeChanged, 300 base::Unretained(this))); 301 ThemeService::Init(profile); 302} 303 304gfx::ImageSkia* GtkThemeService::GetImageSkiaNamed(int id) const { 305 // TODO(pkotwicz): Remove this const cast. The gfx::Image interface returns 306 // its images const. GetImageSkiaNamed() also should but has many callsites. 307 return const_cast<gfx::ImageSkia*>(GetImageNamed(id).ToImageSkia()); 308} 309 310gfx::Image GtkThemeService::GetImageNamed(int id) const { 311 // Try to get our cached version: 312 ImageCache::const_iterator it = gtk_images_.find(id); 313 if (it != gtk_images_.end()) 314 return *it->second; 315 316 if (use_gtk_ && IsOverridableImage(id)) { 317 gfx::Image* image = new gfx::Image(gfx::ImageSkia::CreateFrom1xBitmap( 318 GenerateGtkThemeBitmap(id))); 319 gtk_images_[id] = image; 320 return *image; 321 } 322 323 return ThemeService::GetImageNamed(id); 324} 325 326SkColor GtkThemeService::GetColor(int id) const { 327 if (use_gtk_) { 328 ColorMap::const_iterator it = colors_.find(id); 329 if (it != colors_.end()) 330 return it->second; 331 } 332 333 return ThemeService::GetColor(id); 334} 335 336bool GtkThemeService::HasCustomImage(int id) const { 337 if (use_gtk_) 338 return IsOverridableImage(id); 339 340 return ThemeService::HasCustomImage(id); 341} 342 343void GtkThemeService::InitThemesFor(content::NotificationObserver* observer) { 344 observer->Observe(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, 345 content::Source<ThemeService>(this), 346 content::NotificationService::NoDetails()); 347} 348 349void GtkThemeService::SetTheme(const extensions::Extension* extension) { 350 profile()->GetPrefs()->SetBoolean(prefs::kUsesSystemTheme, false); 351 use_gtk_ = false; 352 LoadDefaultValues(); 353 ThemeService::SetTheme(extension); 354} 355 356void GtkThemeService::UseDefaultTheme() { 357 profile()->GetPrefs()->SetBoolean(prefs::kUsesSystemTheme, false); 358 use_gtk_ = false; 359 LoadDefaultValues(); 360 ThemeService::UseDefaultTheme(); 361} 362 363void GtkThemeService::SetNativeTheme() { 364 profile()->GetPrefs()->SetBoolean(prefs::kUsesSystemTheme, true); 365 use_gtk_ = true; 366 ClearAllThemeData(); 367 LoadGtkValues(); 368 NotifyThemeChanged(); 369} 370 371bool GtkThemeService::UsingDefaultTheme() const { 372 return !use_gtk_ && ThemeService::UsingDefaultTheme(); 373} 374 375void GtkThemeService::SetCustomDefaultTheme( 376 scoped_refptr<CustomThemeSupplier> theme_supplier) { 377 profile()->GetPrefs()->SetBoolean(prefs::kUsesSystemTheme, false); 378 use_gtk_ = false; 379 LoadDefaultValues(); 380 ThemeService::SetCustomDefaultTheme(theme_supplier); 381} 382 383bool GtkThemeService::ShouldInitWithNativeTheme() const { 384 return profile()->GetPrefs()->GetBoolean(prefs::kUsesSystemTheme); 385} 386 387bool GtkThemeService::UsingNativeTheme() const { 388 return use_gtk_; 389} 390 391GtkWidget* GtkThemeService::BuildChromeButton() { 392 GtkWidget* button = HoverControllerGtk::CreateChromeButton(); 393 gtk_chrome_button_set_use_gtk_rendering(GTK_CHROME_BUTTON(button), use_gtk_); 394 chrome_buttons_.push_back(button); 395 396 signals_->Connect(button, "destroy", G_CALLBACK(OnDestroyChromeButtonThunk), 397 this); 398 return button; 399} 400 401GtkWidget* GtkThemeService::BuildChromeLinkButton(const std::string& text) { 402 GtkWidget* link_button = gtk_chrome_link_button_new(text.c_str()); 403 gtk_chrome_link_button_set_use_gtk_theme( 404 GTK_CHROME_LINK_BUTTON(link_button), 405 use_gtk_); 406 link_buttons_.push_back(link_button); 407 408 signals_->Connect(link_button, "destroy", 409 G_CALLBACK(OnDestroyChromeLinkButtonThunk), this); 410 411 return link_button; 412} 413 414GtkWidget* GtkThemeService::BuildLabel(const std::string& text, 415 const GdkColor& color) { 416 GtkWidget* label = gtk_label_new(text.empty() ? NULL : text.c_str()); 417 if (!use_gtk_) 418 gtk_util::SetLabelColor(label, &color); 419 labels_.insert(std::make_pair(label, color)); 420 421 signals_->Connect(label, "destroy", G_CALLBACK(OnDestroyLabelThunk), this); 422 423 return label; 424} 425 426GtkWidget* GtkThemeService::CreateToolbarSeparator() { 427 GtkWidget* separator = gtk_vseparator_new(); 428 GtkWidget* alignment = gtk_alignment_new(0, 0, 1, 1); 429 gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), 430 kSeparatorPadding, kSeparatorPadding, kSeparatorPadding, 0); 431 gtk_container_add(GTK_CONTAINER(alignment), separator); 432 433 signals_->Connect(separator, "expose-event", 434 G_CALLBACK(OnSeparatorExposeThunk), this); 435 return alignment; 436} 437 438GdkColor GtkThemeService::GetGdkColor(int id) const { 439 return gfx::SkColorToGdkColor(GetColor(id)); 440} 441 442GdkColor GtkThemeService::GetBorderColor() const { 443 GtkStyle* style = gtk_rc_get_style(fake_window_); 444 445 GdkColor text; 446 GdkColor bg; 447 if (use_gtk_) { 448 text = style->text[GTK_STATE_NORMAL]; 449 bg = style->bg[GTK_STATE_NORMAL]; 450 } else { 451 text = GetGdkColor(ThemeProperties::COLOR_BOOKMARK_TEXT); 452 bg = GetGdkColor(ThemeProperties::COLOR_TOOLBAR); 453 } 454 455 // Creates a weighted average between the text and base color where 456 // the base color counts more than once. 457 GdkColor color; 458 color.pixel = 0; 459 color.red = (text.red + (bg.red * kBgWeight)) / (1 + kBgWeight); 460 color.green = (text.green + (bg.green * kBgWeight)) / (1 + kBgWeight); 461 color.blue = (text.blue + (bg.blue * kBgWeight)) / (1 + kBgWeight); 462 463 return color; 464} 465 466GtkIconSet* GtkThemeService::GetIconSetForId(int id) const { 467 if (id == IDR_FULLSCREEN_MENU_BUTTON) 468 return fullscreen_icon_set_; 469 470 return NULL; 471} 472 473void GtkThemeService::GetScrollbarColors(GdkColor* thumb_active_color, 474 GdkColor* thumb_inactive_color, 475 GdkColor* track_color) { 476 GdkColor* theme_thumb_active = NULL; 477 GdkColor* theme_thumb_inactive = NULL; 478 GdkColor* theme_trough_color = NULL; 479 gtk_widget_style_get(GTK_WIDGET(fake_frame_), 480 "scrollbar-slider-prelight-color", &theme_thumb_active, 481 "scrollbar-slider-normal-color", &theme_thumb_inactive, 482 "scrollbar-trough-color", &theme_trough_color, 483 NULL); 484 485 // Ask the theme if the theme specifies all the scrollbar colors and short 486 // circuit the expensive painting/compositing if we have all of them. 487 if (theme_thumb_active && theme_thumb_inactive && theme_trough_color) { 488 *thumb_active_color = *theme_thumb_active; 489 *thumb_inactive_color = *theme_thumb_inactive; 490 *track_color = *theme_trough_color; 491 gdk_color_free(theme_thumb_active); 492 gdk_color_free(theme_thumb_inactive); 493 gdk_color_free(theme_trough_color); 494 return; 495 } 496 497 // Create window containing scrollbar elements 498 GtkWidget* window = gtk_window_new(GTK_WINDOW_POPUP); 499 GtkWidget* fixed = gtk_fixed_new(); 500 GtkWidget* scrollbar = gtk_hscrollbar_new(NULL); 501 gtk_container_add(GTK_CONTAINER(window), fixed); 502 gtk_container_add(GTK_CONTAINER(fixed), scrollbar); 503 gtk_widget_realize(window); 504 gtk_widget_realize(scrollbar); 505 506 // Draw scrollbar thumb part and track into offscreen image 507 const int kWidth = 100; 508 const int kHeight = 20; 509 GtkStyle* style = gtk_rc_get_style(scrollbar); 510 GdkWindow* gdk_window = gtk_widget_get_window(window); 511 GdkPixmap* pm = gdk_pixmap_new(gdk_window, kWidth, kHeight, -1); 512 GdkRectangle rect = { 0, 0, kWidth, kHeight }; 513 unsigned char data[3 * kWidth * kHeight]; 514 for (int i = 0; i < 3; ++i) { 515 if (i < 2) { 516 // Thumb part 517 gtk_paint_slider(style, pm, 518 i == 0 ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL, 519 GTK_SHADOW_OUT, &rect, scrollbar, "slider", 0, 0, 520 kWidth, kHeight, GTK_ORIENTATION_HORIZONTAL); 521 } else { 522 // Track 523 gtk_paint_box(style, pm, GTK_STATE_ACTIVE, GTK_SHADOW_IN, &rect, 524 scrollbar, "trough-upper", 0, 0, kWidth, kHeight); 525 } 526 GdkPixbuf* pb = gdk_pixbuf_new_from_data(data, GDK_COLORSPACE_RGB, 527 FALSE, 8, kWidth, kHeight, 528 3 * kWidth, 0, 0); 529 gdk_pixbuf_get_from_drawable(pb, pm, NULL, 0, 0, 0, 0, kWidth, kHeight); 530 531 // Sample pixels 532 int components[3] = { 0 }; 533 for (int y = 2; y < kHeight - 2; ++y) { 534 for (int c = 0; c < 3; ++c) { 535 // Sample a vertical slice of pixels at about one-thirds from the 536 // left edge. This allows us to avoid any fixed graphics that might be 537 // located at the edges or in the center of the scrollbar. 538 // Each pixel is made up of a red, green, and blue component; taking up 539 // a total of three bytes. 540 components[c] += data[3 * (kWidth / 3 + y * kWidth) + c]; 541 } 542 } 543 GdkColor* color = i == 0 ? thumb_active_color : 544 i == 1 ? thumb_inactive_color : 545 track_color; 546 color->pixel = 0; 547 // We sampled pixels across the full height of the image, ignoring a two 548 // pixel border. In some themes, the border has a completely different 549 // color which we do not want to factor into our average color computation. 550 // 551 // We now need to scale the colors from the 0..255 range, to the wider 552 // 0..65535 range, and we need to actually compute the average color; so, 553 // we divide by the total number of pixels in the sample. 554 color->red = components[0] * 65535 / (255 * (kHeight - 4)); 555 color->green = components[1] * 65535 / (255 * (kHeight - 4)); 556 color->blue = components[2] * 65535 / (255 * (kHeight - 4)); 557 558 g_object_unref(pb); 559 } 560 g_object_unref(pm); 561 562 gtk_widget_destroy(window); 563 564 // Override any of the default colors with ones that were specified by the 565 // theme. 566 if (theme_thumb_active) { 567 *thumb_active_color = *theme_thumb_active; 568 gdk_color_free(theme_thumb_active); 569 } 570 571 if (theme_thumb_inactive) { 572 *thumb_inactive_color = *theme_thumb_inactive; 573 gdk_color_free(theme_thumb_inactive); 574 } 575 576 if (theme_trough_color) { 577 *track_color = *theme_trough_color; 578 gdk_color_free(theme_trough_color); 579 } 580} 581 582// static 583gfx::Image GtkThemeService::GetFolderIcon(bool native) { 584 if (native) { 585 if (!icon_widget_) 586 icon_widget_ = gtk_window_new(GTK_WINDOW_TOPLEVEL); 587 588 if (default_folder_icon_.Get().IsEmpty()) { 589 // This seems to leak. 590 GdkPixbuf* pixbuf = gtk_widget_render_icon( 591 icon_widget_, GTK_STOCK_DIRECTORY, GTK_ICON_SIZE_MENU, NULL); 592 if (pixbuf) 593 default_folder_icon_.Get() = gfx::Image(pixbuf); 594 } 595 if (!default_folder_icon_.Get().IsEmpty()) 596 return default_folder_icon_.Get(); 597 } 598 599 return ui::ResourceBundle::GetSharedInstance().GetNativeImageNamed( 600 IDR_BOOKMARK_BAR_FOLDER); 601} 602 603// static 604gfx::Image GtkThemeService::GetDefaultFavicon(bool native) { 605 if (native) { 606 if (!icon_widget_) 607 icon_widget_ = gtk_window_new(GTK_WINDOW_TOPLEVEL); 608 609 if (default_bookmark_icon_.Get().IsEmpty()) { 610 // This seems to leak. 611 GdkPixbuf* pixbuf = gtk_widget_render_icon( 612 icon_widget_, GTK_STOCK_FILE, GTK_ICON_SIZE_MENU, NULL); 613 if (pixbuf) 614 default_bookmark_icon_.Get() = gfx::Image(pixbuf); 615 } 616 if (!default_bookmark_icon_.Get().IsEmpty()) 617 return default_bookmark_icon_.Get(); 618 } 619 620 return ui::ResourceBundle::GetSharedInstance().GetNativeImageNamed( 621 IDR_DEFAULT_FAVICON); 622} 623 624// static 625bool GtkThemeService::DefaultUsesSystemTheme() { 626 scoped_ptr<base::Environment> env(base::Environment::Create()); 627 628 switch (base::nix::GetDesktopEnvironment(env.get())) { 629 case base::nix::DESKTOP_ENVIRONMENT_GNOME: 630 case base::nix::DESKTOP_ENVIRONMENT_UNITY: 631 case base::nix::DESKTOP_ENVIRONMENT_XFCE: 632 return true; 633 case base::nix::DESKTOP_ENVIRONMENT_KDE3: 634 case base::nix::DESKTOP_ENVIRONMENT_KDE4: 635 case base::nix::DESKTOP_ENVIRONMENT_OTHER: 636 return false; 637 } 638 // Unless GetDesktopEnvironment() badly misbehaves, this should never happen. 639 NOTREACHED(); 640 return false; 641} 642 643void GtkThemeService::LoadThemePrefs() { 644 // Initialize the values sent to webkit with the default values. 645 // ThemeService::LoadThemePrefs() will replace them with values for the native 646 // gtk theme if necessary. 647 LoadDefaultValues(); 648 649 // This takes care of calling SetNativeTheme() if necessary. 650 ThemeService::LoadThemePrefs(); 651 652 SetXDGIconTheme(); 653 RebuildMenuIconSets(); 654} 655 656void GtkThemeService::NotifyThemeChanged() { 657 if (!ready_) 658 return; 659 660 ThemeService::NotifyThemeChanged(); 661 662 // Notify all GtkChromeButtons of their new rendering mode: 663 for (std::vector<GtkWidget*>::iterator it = chrome_buttons_.begin(); 664 it != chrome_buttons_.end(); ++it) { 665 gtk_chrome_button_set_use_gtk_rendering( 666 GTK_CHROME_BUTTON(*it), use_gtk_); 667 } 668 669 for (std::vector<GtkWidget*>::iterator it = link_buttons_.begin(); 670 it != link_buttons_.end(); ++it) { 671 gtk_chrome_link_button_set_use_gtk_theme( 672 GTK_CHROME_LINK_BUTTON(*it), use_gtk_); 673 } 674 675 for (std::map<GtkWidget*, GdkColor>::iterator it = labels_.begin(); 676 it != labels_.end(); ++it) { 677 const GdkColor* color = use_gtk_ ? NULL : &it->second; 678 gtk_util::SetLabelColor(it->first, color); 679 } 680 681 for (chrome::BrowserIterator it; !it.done(); it.Next()) { 682 Browser* browser = *it; 683 if (!browser->window()) 684 continue; 685 GtkWindow* window = browser->window()->GetNativeWindow(); 686 gtk_util::SetDefaultWindowIcon(window); 687 gtk_util::SetWindowIcon(window, browser->profile()); 688 } 689} 690 691void GtkThemeService::FreePlatformCaches() { 692 colors_.clear(); 693 tints_.clear(); 694 ThemeService::FreePlatformCaches(); 695 STLDeleteValues(>k_images_); 696} 697 698void GtkThemeService::OnStyleSet(GtkWidget* widget, 699 GtkStyle* previous_style) { 700 default_folder_icon_.Get() = gfx::Image(); 701 default_bookmark_icon_.Get() = gfx::Image(); 702 703 if (profile()->GetPrefs()->GetBoolean(prefs::kUsesSystemTheme)) { 704 ClearAllThemeData(); 705 LoadGtkValues(); 706 NotifyThemeChanged(); 707 } 708 709 RebuildMenuIconSets(); 710} 711 712void GtkThemeService::SetXDGIconTheme() { 713 gchar* gtk_theme_name; 714 g_object_get(gtk_settings_get_default(), 715 "gtk-icon-theme-name", 716 >k_theme_name, NULL); 717 base::nix::SetIconThemeName(gtk_theme_name); 718 g_free(gtk_theme_name); 719} 720 721void GtkThemeService::LoadGtkValues() { 722 // Before we start setting images and values, we have to clear out old, stale 723 // values. (If we don't do this, we'll regress startup time in the case where 724 // someone installs a heavyweight theme, then goes back to GTK.) 725 profile()->GetPrefs()->ClearPref(prefs::kCurrentThemeImages); 726 727 GtkStyle* frame_style = gtk_rc_get_style(fake_frame_); 728 729 GtkStyle* window_style = gtk_rc_get_style(fake_window_); 730 SetThemeColorFromGtk(ThemeProperties::COLOR_CONTROL_BACKGROUND, 731 &window_style->bg[GTK_STATE_NORMAL]); 732 733 GdkColor toolbar_color = window_style->bg[GTK_STATE_NORMAL]; 734 SetThemeColorFromGtk(ThemeProperties::COLOR_TOOLBAR, &toolbar_color); 735 736 GdkColor button_color = window_style->bg[GTK_STATE_SELECTED]; 737 SetThemeTintFromGtk(ThemeProperties::TINT_BUTTONS, &button_color); 738 739 GtkStyle* label_style = gtk_rc_get_style(fake_label_.get()); 740 GdkColor label_color = label_style->fg[GTK_STATE_NORMAL]; 741 SetThemeColorFromGtk(ThemeProperties::COLOR_TAB_TEXT, &label_color); 742 SetThemeColorFromGtk(ThemeProperties::COLOR_BOOKMARK_TEXT, &label_color); 743 744 // Build the various icon tints. 745 GetNormalButtonTintHSL(&button_tint_); 746 GetNormalEntryForegroundHSL(&entry_tint_); 747 GetSelectedEntryForegroundHSL(&selected_entry_tint_); 748 GdkColor frame_color = BuildFrameColors(frame_style); 749 750 // The inactive frame color never occurs naturally in the theme, as it is a 751 // tinted version of |frame_color|. We generate another color based on the 752 // background tab color, with the lightness and saturation moved in the 753 // opposite direction. (We don't touch the hue, since there should be subtle 754 // hints of the color in the text.) 755 color_utils::HSL inactive_tab_text_hsl = 756 tints_[ThemeProperties::TINT_BACKGROUND_TAB]; 757 if (inactive_tab_text_hsl.l < 0.5) 758 inactive_tab_text_hsl.l = kDarkInactiveLuminance; 759 else 760 inactive_tab_text_hsl.l = kLightInactiveLuminance; 761 762 if (inactive_tab_text_hsl.s < 0.5) 763 inactive_tab_text_hsl.s = kHeavyInactiveSaturation; 764 else 765 inactive_tab_text_hsl.s = kLightInactiveSaturation; 766 767 colors_[ThemeProperties::COLOR_BACKGROUND_TAB_TEXT] = 768 color_utils::HSLToSkColor(inactive_tab_text_hsl, 255); 769 770 // We pick the text and background colors for the NTP out of the colors for a 771 // GtkEntry. We do this because GtkEntries background color is never the same 772 // as |toolbar_color|, is usually a white, and when it isn't a white, 773 // provides sufficient contrast to |toolbar_color|. Try this out with 774 // Darklooks, HighContrastInverse or ThinIce. 775 GtkStyle* entry_style = gtk_rc_get_style(fake_entry_.get()); 776 GdkColor ntp_background = entry_style->base[GTK_STATE_NORMAL]; 777 GdkColor ntp_foreground = entry_style->text[GTK_STATE_NORMAL]; 778 SetThemeColorFromGtk(ThemeProperties::COLOR_NTP_BACKGROUND, 779 &ntp_background); 780 SetThemeColorFromGtk(ThemeProperties::COLOR_NTP_TEXT, 781 &ntp_foreground); 782 783 // The NTP header is the color that surrounds the current active thumbnail on 784 // the NTP, and acts as the border of the "Recent Links" box. It would be 785 // awesome if they were separated so we could use GetBorderColor() for the 786 // border around the "Recent Links" section, but matching the frame color is 787 // more important. 788 SetThemeColorFromGtk(ThemeProperties::COLOR_NTP_HEADER, 789 &frame_color); 790 SetThemeColorFromGtk(ThemeProperties::COLOR_NTP_SECTION, 791 &toolbar_color); 792 SetThemeColorFromGtk(ThemeProperties::COLOR_NTP_SECTION_TEXT, 793 &label_color); 794 795 // Override the link color if the theme provides it. 796 const GdkColor* link_color = NULL; 797 gtk_widget_style_get(GTK_WIDGET(fake_window_), 798 "link-color", &link_color, NULL); 799 800 bool is_default_link_color = false; 801 if (!link_color) { 802 link_color = &kDefaultLinkColor; 803 is_default_link_color = true; 804 } 805 806 SetThemeColorFromGtk(ThemeProperties::COLOR_NTP_LINK, 807 link_color); 808 SetThemeColorFromGtk(ThemeProperties::COLOR_NTP_LINK_UNDERLINE, 809 link_color); 810 SetThemeColorFromGtk(ThemeProperties::COLOR_NTP_SECTION_LINK, 811 link_color); 812 SetThemeColorFromGtk(ThemeProperties::COLOR_NTP_SECTION_LINK_UNDERLINE, 813 link_color); 814 815 if (!is_default_link_color) 816 gdk_color_free(const_cast<GdkColor*>(link_color)); 817 818 // Generate the colors that we pass to WebKit. 819 focus_ring_color_ = gfx::GdkColorToSkColor(frame_color); 820 GdkColor thumb_active_color, thumb_inactive_color, track_color; 821 GtkThemeService::GetScrollbarColors(&thumb_active_color, 822 &thumb_inactive_color, 823 &track_color); 824 thumb_active_color_ = gfx::GdkColorToSkColor(thumb_active_color); 825 thumb_inactive_color_ = gfx::GdkColorToSkColor(thumb_inactive_color); 826 track_color_ = gfx::GdkColorToSkColor(track_color); 827 828 // Some GTK themes only define the text selection colors on the GtkEntry 829 // class, so we need to use that for getting selection colors. 830 active_selection_bg_color_ = 831 gfx::GdkColorToSkColor(entry_style->base[GTK_STATE_SELECTED]); 832 active_selection_fg_color_ = 833 gfx::GdkColorToSkColor(entry_style->text[GTK_STATE_SELECTED]); 834 inactive_selection_bg_color_ = 835 gfx::GdkColorToSkColor(entry_style->base[GTK_STATE_ACTIVE]); 836 inactive_selection_fg_color_ = 837 gfx::GdkColorToSkColor(entry_style->text[GTK_STATE_ACTIVE]); 838 location_bar_bg_color_ = 839 gfx::GdkColorToSkColor(entry_style->base[GTK_STATE_NORMAL]); 840 location_bar_text_color_ = 841 gfx::GdkColorToSkColor(entry_style->text[GTK_STATE_NORMAL]); 842} 843 844GdkColor GtkThemeService::BuildFrameColors(GtkStyle* frame_style) { 845 GdkColor* theme_frame = NULL; 846 GdkColor* theme_inactive_frame = NULL; 847 GdkColor* theme_incognito_frame = NULL; 848 GdkColor* theme_incognito_inactive_frame = NULL; 849 gtk_widget_style_get(GTK_WIDGET(fake_frame_), 850 "frame-color", &theme_frame, 851 "inactive-frame-color", &theme_inactive_frame, 852 "incognito-frame-color", &theme_incognito_frame, 853 "incognito-inactive-frame-color", 854 &theme_incognito_inactive_frame, 855 NULL); 856 857 GdkColor frame_color = BuildAndSetFrameColor( 858 &frame_style->bg[GTK_STATE_SELECTED], 859 theme_frame, 860 kDefaultFrameShift, 861 ThemeProperties::COLOR_FRAME, 862 ThemeProperties::TINT_FRAME); 863 if (theme_frame) 864 gdk_color_free(theme_frame); 865 SetThemeTintFromGtk(ThemeProperties::TINT_BACKGROUND_TAB, &frame_color); 866 867 BuildAndSetFrameColor( 868 &frame_style->bg[GTK_STATE_INSENSITIVE], 869 theme_inactive_frame, 870 kDefaultFrameShift, 871 ThemeProperties::COLOR_FRAME_INACTIVE, 872 ThemeProperties::TINT_FRAME_INACTIVE); 873 if (theme_inactive_frame) 874 gdk_color_free(theme_inactive_frame); 875 876 BuildAndSetFrameColor( 877 &frame_color, 878 theme_incognito_frame, 879 ThemeProperties::GetDefaultTint( 880 ThemeProperties::TINT_FRAME_INCOGNITO), 881 ThemeProperties::COLOR_FRAME_INCOGNITO, 882 ThemeProperties::TINT_FRAME_INCOGNITO); 883 if (theme_incognito_frame) 884 gdk_color_free(theme_incognito_frame); 885 886 BuildAndSetFrameColor( 887 &frame_color, 888 theme_incognito_inactive_frame, 889 ThemeProperties::GetDefaultTint( 890 ThemeProperties::TINT_FRAME_INCOGNITO_INACTIVE), 891 ThemeProperties::COLOR_FRAME_INCOGNITO_INACTIVE, 892 ThemeProperties::TINT_FRAME_INCOGNITO_INACTIVE); 893 if (theme_incognito_inactive_frame) 894 gdk_color_free(theme_incognito_inactive_frame); 895 896 return frame_color; 897} 898 899void GtkThemeService::LoadDefaultValues() { 900 focus_ring_color_ = SkColorSetARGB(255, 229, 151, 0); 901 thumb_active_color_ = SkColorSetRGB(244, 244, 244); 902 thumb_inactive_color_ = SkColorSetRGB(234, 234, 234); 903 track_color_ = SkColorSetRGB(211, 211, 211); 904 905 active_selection_bg_color_ = SkColorSetRGB(30, 144, 255); 906 active_selection_fg_color_ = SK_ColorWHITE; 907 inactive_selection_bg_color_ = SkColorSetRGB(200, 200, 200); 908 inactive_selection_fg_color_ = SkColorSetRGB(50, 50, 50); 909} 910 911void GtkThemeService::RebuildMenuIconSets() { 912 FreeIconSets(); 913 914 GtkStyle* style = gtk_rc_get_style(fake_menu_item_.get()); 915 916 fullscreen_icon_set_ = gtk_icon_set_new(); 917 BuildIconFromIDRWithColor(IDR_FULLSCREEN_MENU_BUTTON, 918 style, 919 GTK_STATE_PRELIGHT, 920 fullscreen_icon_set_); 921 BuildIconFromIDRWithColor(IDR_FULLSCREEN_MENU_BUTTON, 922 style, 923 GTK_STATE_NORMAL, 924 fullscreen_icon_set_); 925} 926 927void GtkThemeService::SetThemeColorFromGtk(int id, const GdkColor* color) { 928 colors_[id] = gfx::GdkColorToSkColor(*color); 929} 930 931void GtkThemeService::SetThemeTintFromGtk(int id, const GdkColor* color) { 932 color_utils::HSL default_tint = ThemeProperties::GetDefaultTint(id); 933 color_utils::HSL hsl; 934 color_utils::SkColorToHSL(gfx::GdkColorToSkColor(*color), &hsl); 935 936 if (default_tint.s != -1) 937 hsl.s = default_tint.s; 938 939 if (default_tint.l != -1) 940 hsl.l = default_tint.l; 941 942 tints_[id] = hsl; 943} 944 945GdkColor GtkThemeService::BuildAndSetFrameColor(const GdkColor* base, 946 const GdkColor* gtk_base, 947 const color_utils::HSL& tint, 948 int color_id, 949 int tint_id) { 950 GdkColor out_color = *base; 951 if (gtk_base) { 952 // The theme author specified a color to use, use it without modification. 953 out_color = *gtk_base; 954 } else { 955 // Tint the basic color since this is a heuristic color instead of one 956 // specified by the theme author. 957 GdkColorHSLShift(tint, &out_color); 958 } 959 SetThemeColorFromGtk(color_id, &out_color); 960 SetThemeTintFromGtk(tint_id, &out_color); 961 962 return out_color; 963} 964 965void GtkThemeService::FreeIconSets() { 966 if (fullscreen_icon_set_) { 967 gtk_icon_set_unref(fullscreen_icon_set_); 968 fullscreen_icon_set_ = NULL; 969 } 970} 971 972SkBitmap GtkThemeService::GenerateGtkThemeBitmap(int id) const { 973 switch (id) { 974 case IDR_THEME_TOOLBAR: { 975 GtkStyle* style = gtk_rc_get_style(fake_window_); 976 GdkColor* color = &style->bg[GTK_STATE_NORMAL]; 977 SkBitmap bitmap; 978 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 979 kToolbarImageWidth, kToolbarImageHeight); 980 bitmap.allocPixels(); 981 bitmap.eraseRGB(color->red >> 8, color->green >> 8, color->blue >> 8); 982 return bitmap; 983 } 984 case IDR_THEME_TAB_BACKGROUND: 985 return GenerateTabImage(IDR_THEME_FRAME); 986 case IDR_THEME_TAB_BACKGROUND_INCOGNITO: 987 return GenerateTabImage(IDR_THEME_FRAME_INCOGNITO); 988 case IDR_THEME_FRAME: 989 return GenerateFrameImage(ThemeProperties::COLOR_FRAME, 990 "frame-gradient-color"); 991 case IDR_THEME_FRAME_INACTIVE: 992 return GenerateFrameImage(ThemeProperties::COLOR_FRAME_INACTIVE, 993 "inactive-frame-gradient-color"); 994 case IDR_THEME_FRAME_INCOGNITO: 995 return GenerateFrameImage(ThemeProperties::COLOR_FRAME_INCOGNITO, 996 "incognito-frame-gradient-color"); 997 case IDR_THEME_FRAME_INCOGNITO_INACTIVE: { 998 return GenerateFrameImage( 999 ThemeProperties::COLOR_FRAME_INCOGNITO_INACTIVE, 1000 "incognito-inactive-frame-gradient-color"); 1001 } 1002 // Icons that sit inside the omnibox shouldn't receive TINT_BUTTONS and 1003 // instead should tint based on the foreground text entry color in GTK+ 1004 // mode because some themes that try to be dark *and* light have very 1005 // different colors between the omnibox and the normal background area. 1006 // TODO(erg): Decide what to do about other icons that appear in the 1007 // omnibox, e.g. content settings icons. 1008 case IDR_OMNIBOX_EXTENSION_APP: 1009 case IDR_OMNIBOX_HTTP: 1010 case IDR_OMNIBOX_SEARCH: 1011 case IDR_OMNIBOX_STAR: 1012 case IDR_OMNIBOX_TTS: { 1013 return GenerateTintedIcon(id, entry_tint_); 1014 } 1015 // In GTK mode, the dark versions of the omnibox icons only ever appear in 1016 // the autocomplete popup and only against the current theme's GtkEntry 1017 // base[GTK_STATE_SELECTED] color, so tint the icons so they won't collide 1018 // with the selected color. 1019 case IDR_OMNIBOX_EXTENSION_APP_DARK: 1020 case IDR_OMNIBOX_HTTP_DARK: 1021 case IDR_OMNIBOX_SEARCH_DARK: 1022 case IDR_OMNIBOX_STAR_DARK: 1023 case IDR_OMNIBOX_TTS_DARK: { 1024 return GenerateTintedIcon(id, selected_entry_tint_); 1025 } 1026 default: { 1027 return GenerateTintedIcon(id, button_tint_); 1028 } 1029 } 1030} 1031 1032SkBitmap GtkThemeService::GenerateFrameImage( 1033 int color_id, 1034 const char* gradient_name) const { 1035 // We use two colors: the main color (passed in) and a lightened version of 1036 // that color (which is supposed to match the light gradient at the top of 1037 // several GTK+ themes, such as Ambiance, Clearlooks or Bluebird). 1038 ColorMap::const_iterator it = colors_.find(color_id); 1039 DCHECK(it != colors_.end()); 1040 SkColor base = it->second; 1041 1042 gfx::Canvas canvas(gfx::Size(kToolbarImageWidth, kToolbarImageHeight), 1043 ui::SCALE_FACTOR_100P, true); 1044 1045 int gradient_size; 1046 GdkColor* gradient_top_color = NULL; 1047 gtk_widget_style_get(GTK_WIDGET(fake_frame_), 1048 "frame-gradient-size", &gradient_size, 1049 gradient_name, &gradient_top_color, 1050 NULL); 1051 if (gradient_size) { 1052 SkColor lighter = gradient_top_color ? 1053 gfx::GdkColorToSkColor(*gradient_top_color) : 1054 color_utils::HSLShift(base, kGtkFrameShift); 1055 if (gradient_top_color) 1056 gdk_color_free(gradient_top_color); 1057 skia::RefPtr<SkShader> shader = gfx::CreateGradientShader( 1058 0, gradient_size, lighter, base); 1059 SkPaint paint; 1060 paint.setStyle(SkPaint::kFill_Style); 1061 paint.setAntiAlias(true); 1062 paint.setShader(shader.get()); 1063 1064 canvas.DrawRect(gfx::Rect(0, 0, kToolbarImageWidth, gradient_size), paint); 1065 } 1066 1067 canvas.FillRect(gfx::Rect(0, gradient_size, kToolbarImageWidth, 1068 kToolbarImageHeight - gradient_size), base); 1069 return canvas.ExtractImageRep().sk_bitmap(); 1070} 1071 1072SkBitmap GtkThemeService::GenerateTabImage(int base_id) const { 1073 SkBitmap base_image = GetImageNamed(base_id).AsBitmap(); 1074 SkBitmap bg_tint = SkBitmapOperations::CreateHSLShiftedBitmap( 1075 base_image, GetTint(ThemeProperties::TINT_BACKGROUND_TAB)); 1076 return SkBitmapOperations::CreateTiledBitmap( 1077 bg_tint, 0, 0, bg_tint.width(), bg_tint.height()); 1078} 1079 1080SkBitmap GtkThemeService::GenerateTintedIcon( 1081 int base_id, 1082 const color_utils::HSL& tint) const { 1083 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); 1084 return SkBitmapOperations::CreateHSLShiftedBitmap( 1085 rb.GetImageNamed(base_id).AsBitmap(), tint); 1086} 1087 1088void GtkThemeService::GetNormalButtonTintHSL( 1089 color_utils::HSL* tint) const { 1090 GtkStyle* window_style = gtk_rc_get_style(fake_window_); 1091 const GdkColor accent_gdk_color = window_style->bg[GTK_STATE_SELECTED]; 1092 const GdkColor base_color = window_style->base[GTK_STATE_NORMAL]; 1093 1094 GtkStyle* label_style = gtk_rc_get_style(fake_label_.get()); 1095 const GdkColor text_color = label_style->fg[GTK_STATE_NORMAL]; 1096 1097 PickButtonTintFromColors(accent_gdk_color, text_color, base_color, tint); 1098} 1099 1100void GtkThemeService::GetNormalEntryForegroundHSL( 1101 color_utils::HSL* tint) const { 1102 GtkStyle* window_style = gtk_rc_get_style(fake_window_); 1103 const GdkColor accent_gdk_color = window_style->bg[GTK_STATE_SELECTED]; 1104 1105 GtkStyle* style = gtk_rc_get_style(fake_entry_.get()); 1106 const GdkColor text_color = style->text[GTK_STATE_NORMAL]; 1107 const GdkColor base_color = style->base[GTK_STATE_NORMAL]; 1108 1109 PickButtonTintFromColors(accent_gdk_color, text_color, base_color, tint); 1110} 1111 1112void GtkThemeService::GetSelectedEntryForegroundHSL( 1113 color_utils::HSL* tint) const { 1114 // The simplest of all the tints. We just use the selected text in the entry 1115 // since the icons tinted this way will only be displayed against 1116 // base[GTK_STATE_SELECTED]. 1117 GtkStyle* style = gtk_rc_get_style(fake_entry_.get()); 1118 const GdkColor color = style->text[GTK_STATE_SELECTED]; 1119 color_utils::SkColorToHSL(gfx::GdkColorToSkColor(color), tint); 1120} 1121 1122void GtkThemeService::OnDestroyChromeButton(GtkWidget* button) { 1123 std::vector<GtkWidget*>::iterator it = 1124 find(chrome_buttons_.begin(), chrome_buttons_.end(), button); 1125 if (it != chrome_buttons_.end()) 1126 chrome_buttons_.erase(it); 1127} 1128 1129void GtkThemeService::OnDestroyChromeLinkButton(GtkWidget* button) { 1130 std::vector<GtkWidget*>::iterator it = 1131 find(link_buttons_.begin(), link_buttons_.end(), button); 1132 if (it != link_buttons_.end()) 1133 link_buttons_.erase(it); 1134} 1135 1136void GtkThemeService::OnDestroyLabel(GtkWidget* button) { 1137 std::map<GtkWidget*, GdkColor>::iterator it = labels_.find(button); 1138 if (it != labels_.end()) 1139 labels_.erase(it); 1140} 1141 1142gboolean GtkThemeService::OnSeparatorExpose(GtkWidget* widget, 1143 GdkEventExpose* event) { 1144 UNSHIPPED_TRACE_EVENT0("ui::gtk", "GtkThemeService::OnSeparatorExpose"); 1145 if (UsingNativeTheme()) 1146 return FALSE; 1147 1148 cairo_t* cr = gdk_cairo_create(gtk_widget_get_window(widget)); 1149 gdk_cairo_rectangle(cr, &event->area); 1150 cairo_clip(cr); 1151 1152 GdkColor bottom_color = GetGdkColor(ThemeProperties::COLOR_TOOLBAR); 1153 double bottom_color_rgb[] = { 1154 static_cast<double>(bottom_color.red / 257) / 255.0, 1155 static_cast<double>(bottom_color.green / 257) / 255.0, 1156 static_cast<double>(bottom_color.blue / 257) / 255.0, }; 1157 1158 GtkAllocation allocation; 1159 gtk_widget_get_allocation(widget, &allocation); 1160 1161 cairo_pattern_t* pattern = 1162 cairo_pattern_create_linear(allocation.x, allocation.y, 1163 allocation.x, 1164 allocation.y + allocation.height); 1165 cairo_pattern_add_color_stop_rgb( 1166 pattern, 0.0, 1167 kTopSeparatorColor[0], kTopSeparatorColor[1], kTopSeparatorColor[2]); 1168 cairo_pattern_add_color_stop_rgb( 1169 pattern, 0.5, 1170 kMidSeparatorColor[0], kMidSeparatorColor[1], kMidSeparatorColor[2]); 1171 cairo_pattern_add_color_stop_rgb( 1172 pattern, 1.0, 1173 bottom_color_rgb[0], bottom_color_rgb[1], bottom_color_rgb[2]); 1174 cairo_set_source(cr, pattern); 1175 1176 double start_x = 0.5 + allocation.x; 1177 cairo_new_path(cr); 1178 cairo_set_line_width(cr, 1.0); 1179 cairo_move_to(cr, start_x, allocation.y); 1180 cairo_line_to(cr, start_x, allocation.y + allocation.height); 1181 cairo_stroke(cr); 1182 cairo_destroy(cr); 1183 cairo_pattern_destroy(pattern); 1184 1185 return TRUE; 1186} 1187 1188void GtkThemeService::OnUsesSystemThemeChanged() { 1189 use_gtk_ = profile()->GetPrefs()->GetBoolean(prefs::kUsesSystemTheme); 1190} 1191