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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 "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/pref_names.h" | |
| 32 #include "content/public/browser/notification_details.h" | |
| 33 #include "content/public/browser/notification_service.h" | |
| 34 #include "content/public/browser/notification_source.h" | |
| 35 #include "extensions/common/extension.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 | |
| 55 namespace { | |
| 56 | |
| 57 // The size of the rendered toolbar image. | |
| 58 const int kToolbarImageWidth = 64; | |
| 59 const int kToolbarImageHeight = 128; | |
| 60 | |
| 61 // How much to tint the GTK+ color lighter at the top of the window. | |
| 62 const 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. | |
| 66 const 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. | |
| 70 const double kDarkInactiveLuminance = 0.85; | |
| 71 const double kLightInactiveLuminance = 0.15; | |
| 72 const double kHeavyInactiveSaturation = 0.7; | |
| 73 const 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. | |
| 77 const int kBgWeight = 3; | |
| 78 | |
| 79 // Padding to left, top and bottom of vertical separators. | |
| 80 const 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. | |
| 84 const GdkColor kDefaultLinkColor = { 0, 0, 0, 0xeeee }; | |
| 85 | |
| 86 // Middle color of the separator gradient. | |
| 87 const double kMidSeparatorColor[] = | |
| 88 { 194.0 / 255.0, 205.0 / 255.0, 212.0 / 212.0 }; | |
| 89 // Top color of the separator gradient. | |
| 90 const 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. | |
| 94 const 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. | |
| 109 const 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 | |
| 121 bool 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. | |
| 143 void 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|. | |
| 203 void 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) | |
| 239 void 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 | |
| 250 GtkWidget* GtkThemeService::icon_widget_ = NULL; | |
| 251 base::LazyInstance<gfx::Image> GtkThemeService::default_folder_icon_ = | |
| 252 LAZY_INSTANCE_INITIALIZER; | |
| 253 base::LazyInstance<gfx::Image> GtkThemeService::default_bookmark_icon_ = | |
| 254 LAZY_INSTANCE_INITIALIZER; | |
| 255 | |
| 256 // static | |
| 257 GtkThemeService* GtkThemeService::GetFrom(Profile* profile) { | |
| 258 return static_cast<GtkThemeService*>( | |
| 259 ThemeServiceFactory::GetForProfile(profile)); | |
| 260 } | |
| 261 | |
| 262 GtkThemeService::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 | |
| 282 GtkThemeService::~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 | |
| 296 void 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 | |
| 304 gfx::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 | |
| 310 gfx::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 | |
| 326 SkColor 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 | |
| 336 bool GtkThemeService::HasCustomImage(int id) const { | |
| 337 if (use_gtk_) | |
| 338 return IsOverridableImage(id); | |
| 339 | |
| 340 return ThemeService::HasCustomImage(id); | |
| 341 } | |
| 342 | |
| 343 void GtkThemeService::InitThemesFor(content::NotificationObserver* observer) { | |
| 344 observer->Observe(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, | |
| 345 content::Source<ThemeService>(this), | |
| 346 content::NotificationService::NoDetails()); | |
| 347 } | |
| 348 | |
| 349 void 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 | |
| 356 void GtkThemeService::UseDefaultTheme() { | |
| 357 profile()->GetPrefs()->SetBoolean(prefs::kUsesSystemTheme, false); | |
| 358 use_gtk_ = false; | |
| 359 LoadDefaultValues(); | |
| 360 ThemeService::UseDefaultTheme(); | |
| 361 } | |
| 362 | |
| 363 void GtkThemeService::SetNativeTheme() { | |
| 364 profile()->GetPrefs()->SetBoolean(prefs::kUsesSystemTheme, true); | |
| 365 use_gtk_ = true; | |
| 366 ClearAllThemeData(); | |
| 367 LoadGtkValues(); | |
| 368 NotifyThemeChanged(); | |
| 369 } | |
| 370 | |
| 371 bool GtkThemeService::UsingDefaultTheme() const { | |
| 372 return !use_gtk_ && ThemeService::UsingDefaultTheme(); | |
| 373 } | |
| 374 | |
| 375 void 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 | |
| 383 bool GtkThemeService::ShouldInitWithNativeTheme() const { | |
| 384 return profile()->GetPrefs()->GetBoolean(prefs::kUsesSystemTheme); | |
| 385 } | |
| 386 | |
| 387 bool GtkThemeService::UsingNativeTheme() const { | |
| 388 return use_gtk_; | |
| 389 } | |
| 390 | |
| 391 GtkWidget* 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 | |
| 401 GtkWidget* 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 | |
| 414 GtkWidget* 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 | |
| 426 GtkWidget* 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 | |
| 438 GdkColor GtkThemeService::GetGdkColor(int id) const { | |
| 439 return gfx::SkColorToGdkColor(GetColor(id)); | |
| 440 } | |
| 441 | |
| 442 GdkColor 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 | |
| 466 GtkIconSet* GtkThemeService::GetIconSetForId(int id) const { | |
| 467 if (id == IDR_FULLSCREEN_MENU_BUTTON) | |
| 468 return fullscreen_icon_set_; | |
| 469 | |
| 470 return NULL; | |
| 471 } | |
| 472 | |
| 473 void 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 | |
| 583 gfx::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 | |
| 604 gfx::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 | |
| 625 bool 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 | |
| 643 void 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 | |
| 656 void 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 | |
| 691 void GtkThemeService::FreePlatformCaches() { | |
| 692 colors_.clear(); | |
| 693 tints_.clear(); | |
| 694 ThemeService::FreePlatformCaches(); | |
| 695 STLDeleteValues(>k_images_); | |
| 696 } | |
| 697 | |
| 698 void 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 | |
| 712 void 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 | |
| 721 void 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 | |
| 844 GdkColor 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 | |
| 899 void 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 | |
| 911 void 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 | |
| 927 void GtkThemeService::SetThemeColorFromGtk(int id, const GdkColor* color) { | |
| 928 colors_[id] = gfx::GdkColorToSkColor(*color); | |
| 929 } | |
| 930 | |
| 931 void 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 | |
| 945 GdkColor 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 | |
| 965 void GtkThemeService::FreeIconSets() { | |
| 966 if (fullscreen_icon_set_) { | |
| 967 gtk_icon_set_unref(fullscreen_icon_set_); | |
| 968 fullscreen_icon_set_ = NULL; | |
| 969 } | |
| 970 } | |
| 971 | |
| 972 SkBitmap 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 | |
| 1032 SkBitmap 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 1.0f, 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 | |
| 1072 SkBitmap 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 | |
| 1080 SkBitmap 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 | |
| 1088 void 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 | |
| 1100 void 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 | |
| 1112 void 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 | |
| 1122 void 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 | |
| 1129 void 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 | |
| 1136 void 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 | |
| 1142 gboolean 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 | |
| 1188 void GtkThemeService::OnUsesSystemThemeChanged() { | |
| 1189 use_gtk_ = profile()->GetPrefs()->GetBoolean(prefs::kUsesSystemTheme); | |
| 1190 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 231733005:
Delete the GTK+ port of Chrome. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src