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      1 // Copyright (c) 2011 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 <gtk/gtk.h>
      6 
      7 #include "chrome/browser/prefs/pref_service.h"
      8 #include "chrome/browser/profiles/profile.h"
      9 #include "chrome/browser/ui/gtk/gtk_theme_service.h"
     10 #include "chrome/common/pref_names.h"
     11 #include "chrome/test/testing_profile.h"
     12 #include "grit/theme_resources.h"
     13 #include "testing/gtest/include/gtest/gtest.h"
     14 
     15 namespace {
     16 
     17 // Converts a GdkColor to a SkColor.
     18 SkColor GdkToSkColor(GdkColor* color) {
     19   return SkColorSetRGB(color->red >> 8,
     20                        color->green >> 8,
     21                        color->blue >> 8);
     22 }
     23 
     24 }  // namespace
     25 
     26 class GtkThemeServiceTest : public testing::Test {
     27  public:
     28   GtkThemeServiceTest() : provider_(NULL) {}
     29 
     30   void SetUseGtkTheme(bool use_gtk_theme) {
     31     profile_.GetPrefs()->SetBoolean(prefs::kUsesSystemTheme, use_gtk_theme);
     32   }
     33 
     34   void BuildProvider() {
     35     provider_ = GtkThemeService::GetFrom(&profile_);
     36   }
     37 
     38  protected:
     39   TestingProfile profile_;
     40 
     41   GtkThemeService* provider_;
     42 };
     43 
     44 TEST_F(GtkThemeServiceTest, DefaultValues) {
     45   SetUseGtkTheme(false);
     46   BuildProvider();
     47 
     48   // Test that we get the default theme colors back when in normal mode.
     49   for (int i = ThemeService::COLOR_FRAME;
     50        i <= ThemeService::COLOR_BUTTON_BACKGROUND; ++i) {
     51     EXPECT_EQ(provider_->GetColor(i), ThemeService::GetDefaultColor(i))
     52         << "Wrong default color for " << i;
     53   }
     54 }
     55 
     56 TEST_F(GtkThemeServiceTest, UsingGtkValues) {
     57   SetUseGtkTheme(true);
     58   BuildProvider();
     59 
     60   // This test only verifies that we're using GTK values. Because of Gtk's
     61   // large, implied global state, it would take some IN_PROCESS_BROWSER_TESTS
     62   // to write an equivalent of DefaultValues above in a way that wouldn't make
     63   // other tests flaky. kColorTabText is the only simple path where there's no
     64   // weird calculations for edge cases so use that as a simple test.
     65   GtkWidget* fake_label = provider_->fake_label();
     66   GtkStyle* label_style = gtk_rc_get_style(fake_label);
     67   GdkColor label_color = label_style->fg[GTK_STATE_NORMAL];
     68   EXPECT_EQ(provider_->GetColor(ThemeService::COLOR_TAB_TEXT),
     69             GdkToSkColor(&label_color));
     70 }
     71