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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_navigator_params.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/webui_url_constants.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/test/browser_test.h"
#include "third_party/blink/public/common/web_preferences/web_preferences.h"
#include "ui/base/ui_base_switches.h"
namespace {
const blink::web_pref::WebPreferences GetCustomFontPrefs() {
blink::web_pref::WebPreferences prefs;
prefs.default_font_size += 1;
prefs.default_fixed_font_size += 2;
prefs.minimum_font_size += 3;
prefs.minimum_logical_font_size += 4;
return prefs;
}
} // namespace
class ChromeContentBrowserClientWebUiPartTest : public InProcessBrowserTest {
protected:
// Registers and returns custom preferences for font size, which differ from
// the default preferences.
const blink::web_pref::WebPreferences RegisterCustomFontPrefs() {
const blink::web_pref::WebPreferences prefs = GetCustomFontPrefs();
Profile* profile = browser()->profile();
PrefService* profile_prefs = profile->GetPrefs();
profile_prefs->SetInteger(prefs::kWebKitDefaultFontSize,
prefs.default_font_size);
profile_prefs->SetInteger(prefs::kWebKitDefaultFixedFontSize,
prefs.default_fixed_font_size);
profile_prefs->SetInteger(prefs::kWebKitMinimumFontSize,
prefs.minimum_font_size);
profile_prefs->SetInteger(prefs::kWebKitMinimumLogicalFontSize,
prefs.minimum_logical_font_size);
return prefs;
}
void AssertFontPrefsEqual(const blink::web_pref::WebPreferences& expected,
blink::web_pref::WebPreferences& actual) {
EXPECT_EQ(expected.default_font_size, actual.default_font_size);
EXPECT_EQ(expected.default_fixed_font_size, actual.default_fixed_font_size);
EXPECT_EQ(expected.minimum_font_size, actual.minimum_font_size);
EXPECT_EQ(expected.minimum_logical_font_size,
actual.minimum_logical_font_size);
}
};
IN_PROC_BROWSER_TEST_F(ChromeContentBrowserClientWebUiPartTest,
HasDefaultFontSizes) {
RegisterCustomFontPrefs();
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), GURL(chrome::kChromeUIExtensionsURL)));
const blink::web_pref::WebPreferences default_prefs;
blink::web_pref::WebPreferences preexisting_prefs =
browser()
->tab_strip_model()
->GetActiveWebContents()
->GetOrCreateWebPreferences();
AssertFontPrefsEqual(default_prefs, preexisting_prefs);
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), GURL(chrome::kChromeUIExtensionsURL)));
blink::web_pref::WebPreferences new_prefs = browser()
->tab_strip_model()
->GetActiveWebContents()
->GetOrCreateWebPreferences();
AssertFontPrefsEqual(default_prefs, new_prefs);
}
IN_PROC_BROWSER_TEST_F(ChromeContentBrowserClientWebUiPartTest,
NavigateFromWebUiToNonWebUi) {
const blink::web_pref::WebPreferences custom_prefs =
RegisterCustomFontPrefs();
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), GURL(chrome::kChromeUIExtensionsURL)));
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
const GURL url = web_contents->GetController().GetVisibleEntry()->GetURL();
ASSERT_TRUE(url.SchemeIs(content::kChromeUIScheme));
// Assert that WebUi uses the default prefs, and not the user's defined custom
// prefs.
const blink::web_pref::WebPreferences default_prefs;
blink::web_pref::WebPreferences active_webui_prefs =
web_contents->GetOrCreateWebPreferences();
AssertFontPrefsEqual(default_prefs, active_webui_prefs);
// Assert that transitioning from a WebUi URL to a non-WebUi URL in the same
// tab, uses the user's defined custom prefs.
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), GURL("about:blank")));
const GURL url2 = web_contents->GetController().GetVisibleEntry()->GetURL();
ASSERT_FALSE(url2.SchemeIs(content::kChromeUIScheme));
blink::web_pref::WebPreferences active_non_webui_prefs =
web_contents->GetOrCreateWebPreferences();
AssertFontPrefsEqual(custom_prefs, active_non_webui_prefs);
}
IN_PROC_BROWSER_TEST_F(ChromeContentBrowserClientWebUiPartTest,
NavigateFromNonWebUiToWebUi) {
const blink::web_pref::WebPreferences custom_prefs =
RegisterCustomFontPrefs();
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), GURL("about:blank")));
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
const GURL url2 = web_contents->GetController().GetVisibleEntry()->GetURL();
ASSERT_FALSE(url2.SchemeIs(content::kChromeUIScheme));
// Assert that non-WebUi uses the user's defined custom prefs.
blink::web_pref::WebPreferences active_non_webui_prefs =
web_contents->GetOrCreateWebPreferences();
AssertFontPrefsEqual(custom_prefs, active_non_webui_prefs);
// Assert that transitioning from a non-WebUi URL to a WebUi URL in the same
// tab, uses the default prefs.
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), GURL(chrome::kChromeUIExtensionsURL)));
const GURL url = web_contents->GetController().GetVisibleEntry()->GetURL();
ASSERT_TRUE(url.SchemeIs(content::kChromeUIScheme));
const blink::web_pref::WebPreferences default_prefs;
blink::web_pref::WebPreferences active_webui_prefs =
web_contents->GetOrCreateWebPreferences();
AssertFontPrefsEqual(default_prefs, active_webui_prefs);
}
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