| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ios/chrome/browser/interstitials/ios_security_interstitial_page.h" |
| |
| #include "base/logging.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/stringprintf.h" |
| #include "components/grit/components_resources.h" |
| #include "components/prefs/pref_service.h" |
| #include "components/security_interstitials/core/common_string_util.h" |
| #include "ios/chrome/browser/application_context.h" |
| #include "ios/chrome/browser/browser_state/chrome_browser_state.h" |
| #include "ios/chrome/browser/pref_names.h" |
| #include "ios/chrome/browser/ui/util/dynamic_type_util.h" |
| #include "ios/web/public/security/web_interstitial.h" |
| #import "ios/web/public/web_state.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/base/webui/jstemplate_builder.h" |
| #include "ui/base/webui/web_ui_util.h" |
| |
| #if !defined(__has_feature) || !__has_feature(objc_arc) |
| #error "This file requires ARC support." |
| #endif |
| |
| namespace { |
| // Adjusts the interstitial page's template parameter "fontsize" by system font |
| // size multiplier. |
| void AdjustFontSize(base::DictionaryValue& load_time_data) { |
| base::Value* value = load_time_data.FindKey("fontsize"); |
| DCHECK(value && value->is_string()); |
| std::string old_size = value->GetString(); |
| // |old_size| should be in form of "75%". |
| DCHECK(old_size.size() > 1 && old_size.back() == '%'); |
| double new_size = 75.0; |
| bool converted = |
| base::StringToDouble(old_size.substr(0, old_size.size() - 1), &new_size); |
| DCHECK(converted); |
| new_size *= SystemSuggestedFontSizeMultiplier(); |
| load_time_data.SetString("fontsize", base::StringPrintf("%.0lf%%", new_size)); |
| } |
| } |
| |
| IOSSecurityInterstitialPage::IOSSecurityInterstitialPage( |
| web::WebState* web_state, |
| const GURL& request_url) |
| : web_state_(web_state), |
| request_url_(request_url), |
| web_interstitial_(nullptr) { |
| // Creating web_interstitial_ without showing it leaks memory, so don't |
| // create it here. |
| } |
| |
| IOSSecurityInterstitialPage::~IOSSecurityInterstitialPage() {} |
| |
| void IOSSecurityInterstitialPage::Show() { |
| DCHECK(!web_interstitial_); |
| web_interstitial_ = web::WebInterstitial::CreateInterstitial( |
| web_state_, ShouldCreateNewNavigation(), request_url_, |
| std::unique_ptr<web::WebInterstitialDelegate>(this)); |
| web_interstitial_->Show(); |
| AfterShow(); |
| } |
| |
| std::string IOSSecurityInterstitialPage::GetHtmlContents() const { |
| base::DictionaryValue load_time_data; |
| PopulateInterstitialStrings(&load_time_data); |
| webui::SetLoadTimeDataDefaults( |
| GetApplicationContext()->GetApplicationLocale(), &load_time_data); |
| AdjustFontSize(load_time_data); |
| std::string html = |
| ui::ResourceBundle::GetSharedInstance().DecompressDataResource( |
| IDR_SECURITY_INTERSTITIAL_HTML); |
| webui::AppendWebUiCssTextDefaults(&html); |
| return webui::GetI18nTemplateHtml(html, &load_time_data); |
| } |
| |
| base::string16 IOSSecurityInterstitialPage::GetFormattedHostName() const { |
| return security_interstitials::common_string_util::GetFormattedHostName( |
| request_url_); |
| } |
| |
| bool IOSSecurityInterstitialPage::IsPrefEnabled(const char* pref_name) const { |
| ios::ChromeBrowserState* browser_state = |
| ios::ChromeBrowserState::FromBrowserState(web_state_->GetBrowserState()); |
| return browser_state->GetPrefs()->GetBoolean(pref_name); |
| } |