/*
 * Copyright (C) 2003, 2006, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
 * Copyright (C) 2010 Igalia S.L
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "LocalizedStrings.h"

#include "IntSize.h"
#include "NotImplemented.h"
#include "TextBreakIterator.h"
#include <wtf/MathExtras.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/unicode/CharacterNames.h>

#if USE(CF)
#include <wtf/RetainPtr.h>
#endif

#if PLATFORM(COCOA)
#include "WebCoreSystemInterface.h"
#endif

namespace WebCore {

// We can't use String::format for two reasons:
//  1) It doesn't handle non-ASCII characters in the format string.
//  2) It doesn't handle the %2$d syntax.
// Note that because |format| is used as the second parameter to va_start, it cannot be a reference
// type according to section 18.7/3 of the C++ N1905 standard.
static String formatLocalizedString(String format, ...)
{
#if USE(CF)
    va_list arguments;
    va_start(arguments, format);

#if COMPILER(CLANG)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wformat-nonliteral"
#endif
    RetainPtr<CFStringRef> result = adoptCF(CFStringCreateWithFormatAndArguments(0, 0, format.createCFString().get(), arguments));
#if COMPILER(CLANG)
#pragma clang diagnostic pop
#endif

    va_end(arguments);
    return result.get();
#else
    notImplemented();
    return format;
#endif
}

#if ENABLE(CONTEXT_MENUS)
static String truncatedStringForLookupMenuItem(const String& original)
{
    if (original.isEmpty())
        return original;

    // Truncate the string if it's too long. This is in consistency with AppKit.
    unsigned maxNumberOfGraphemeClustersInLookupMenuItem = 24;
    static NeverDestroyed<String> ellipsis(&horizontalEllipsis, 1);

    String trimmed = original.stripWhiteSpace();
    unsigned numberOfCharacters = numCharactersInGraphemeClusters(trimmed, maxNumberOfGraphemeClustersInLookupMenuItem);
    return numberOfCharacters == trimmed.length() ? trimmed : trimmed.left(numberOfCharacters) + ellipsis.get();
}
#endif

String inputElementAltText()
{
    return WEB_UI_STRING_KEY("Submit", "Submit (input element)", "alt text for <input> elements with no alt, title, or value");
}

String resetButtonDefaultLabel()
{
    return WEB_UI_STRING("Reset", "default label for Reset buttons in forms on web pages");
}

String searchableIndexIntroduction()
{
    return WEB_UI_STRING("This is a searchable index. Enter search keywords: ",
                         "text that appears at the start of nearly-obsolete web pages in the form of a 'searchable index'");
}

String submitButtonDefaultLabel()
{
    return WEB_UI_STRING("Submit", "default label for Submit buttons in forms on web pages");
}

String fileButtonChooseFileLabel()
{
    return WEB_UI_STRING("Choose File", "title for a single file chooser button used in HTML forms");
}

String fileButtonChooseMultipleFilesLabel()
{
    return WEB_UI_STRING("Choose Files", "title for a multiple file chooser button used in HTML forms. This title should be as short as possible.");
}

String fileButtonNoFileSelectedLabel()
{
    return WEB_UI_STRING("no file selected", "text to display in file button used in HTML forms when no file is selected");
}

String fileButtonNoFilesSelectedLabel()
{
    return WEB_UI_STRING("no files selected", "text to display in file button used in HTML forms when no files are selected and the button allows multiple files to be selected");
}

String defaultDetailsSummaryText()
{
    return WEB_UI_STRING("Details", "text to display in <details> tag when it has no <summary> child");
}

#if PLATFORM(COCOA)
String copyImageUnknownFileLabel()
{
    return WEB_UI_STRING("unknown", "Unknown filename");
}
#endif

#if ENABLE(CONTEXT_MENUS)
String contextMenuItemTagOpenLinkInNewWindow()
{
    return WEB_UI_STRING("Open Link in New Window", "Open in New Window context menu item");
}

String contextMenuItemTagDownloadLinkToDisk()
{
    return WEB_UI_STRING("Download Linked File", "Download Linked File context menu item");
}

String contextMenuItemTagCopyLinkToClipboard()
{
    return WEB_UI_STRING("Copy Link", "Copy Link context menu item");
}

String contextMenuItemTagOpenImageInNewWindow()
{
    return WEB_UI_STRING("Open Image in New Window", "Open Image in New Window context menu item");
}

String contextMenuItemTagDownloadImageToDisk()
{
    return WEB_UI_STRING("Download Image", "Download Image context menu item");
}

String contextMenuItemTagCopyImageToClipboard()
{
    return WEB_UI_STRING("Copy Image", "Copy Image context menu item");
}

String contextMenuItemTagOpenFrameInNewWindow()
{
    return WEB_UI_STRING("Open Frame in New Window", "Open Frame in New Window context menu item");
}

String contextMenuItemTagCopy()
{
    return WEB_UI_STRING("Copy", "Copy context menu item");
}

String contextMenuItemTagGoBack()
{
    return WEB_UI_STRING("Back", "Back context menu item");
}

String contextMenuItemTagGoForward()
{
    return WEB_UI_STRING("Forward", "Forward context menu item");
}

String contextMenuItemTagStop()
{
    return WEB_UI_STRING("Stop", "Stop context menu item");
}

String contextMenuItemTagReload()
{
    return WEB_UI_STRING("Reload", "Reload context menu item");
}

String contextMenuItemTagCut()
{
    return WEB_UI_STRING("Cut", "Cut context menu item");
}

String contextMenuItemTagPaste()
{
    return WEB_UI_STRING("Paste", "Paste context menu item");
}

String contextMenuItemTagNoGuessesFound()
{
    return WEB_UI_STRING("No Guesses Found", "No Guesses Found context menu item");
}

String contextMenuItemTagIgnoreSpelling()
{
    return WEB_UI_STRING("Ignore Spelling", "Ignore Spelling context menu item");
}

String contextMenuItemTagLearnSpelling()
{
    return WEB_UI_STRING("Learn Spelling", "Learn Spelling context menu item");
}

#if PLATFORM(COCOA)
String contextMenuItemTagSearchInSpotlight()
{
    return WEB_UI_STRING("Search in Spotlight", "Search in Spotlight context menu item");
}
#endif

String contextMenuItemTagSearchWeb()
{
#if PLATFORM(COCOA)
    RetainPtr<CFStringRef> searchProviderName = adoptCF(wkCopyDefaultSearchProviderDisplayName());
    return formatLocalizedString(WEB_UI_STRING("Search with %@", "Search with search provider context menu item with provider name inserted"), searchProviderName.get());
#else
    return WEB_UI_STRING("Search with Google", "Search with Google context menu item");
#endif
}

String contextMenuItemTagLookUpInDictionary(const String& selectedString)
{
#if USE(CF)
    RetainPtr<CFStringRef> selectedCFString = truncatedStringForLookupMenuItem(selectedString).createCFString();
    return formatLocalizedString(WEB_UI_STRING("Look Up “%@”", "Look Up context menu item with selected word"), selectedCFString.get());
#else
    return WEB_UI_STRING("Look Up “<selection>”", "Look Up context menu item with selected word").replace("<selection>", truncatedStringForLookupMenuItem(selectedString));
#endif
}

String contextMenuItemTagOpenLink()
{
    return WEB_UI_STRING("Open Link", "Open Link context menu item");
}

String contextMenuItemTagIgnoreGrammar()
{
    return WEB_UI_STRING("Ignore Grammar", "Ignore Grammar context menu item");
}

String contextMenuItemTagSpellingMenu()
{
    return WEB_UI_STRING("Spelling and Grammar", "Spelling and Grammar context sub-menu item");
}

String contextMenuItemTagShowSpellingPanel(bool show)
{
    if (show)
        return WEB_UI_STRING("Show Spelling and Grammar", "menu item title");
    return WEB_UI_STRING("Hide Spelling and Grammar", "menu item title");
}

String contextMenuItemTagCheckSpelling()
{
    return WEB_UI_STRING("Check Document Now", "Check spelling context menu item");
}

String contextMenuItemTagCheckSpellingWhileTyping()
{
    return WEB_UI_STRING("Check Spelling While Typing", "Check spelling while typing context menu item");
}

String contextMenuItemTagCheckGrammarWithSpelling()
{
    return WEB_UI_STRING("Check Grammar With Spelling", "Check grammar with spelling context menu item");
}

String contextMenuItemTagFontMenu()
{
    return WEB_UI_STRING("Font", "Font context sub-menu item");
}

#if PLATFORM(COCOA)
String contextMenuItemTagShowFonts()
{
    return WEB_UI_STRING("Show Fonts", "Show fonts context menu item");
}
#endif

String contextMenuItemTagBold()
{
    return WEB_UI_STRING("Bold", "Bold context menu item");
}

String contextMenuItemTagItalic()
{
    return WEB_UI_STRING("Italic", "Italic context menu item");
}

String contextMenuItemTagUnderline()
{
    return WEB_UI_STRING("Underline", "Underline context menu item");
}

String contextMenuItemTagOutline()
{
    return WEB_UI_STRING("Outline", "Outline context menu item");
}

#if PLATFORM(COCOA)
String contextMenuItemTagStyles()
{
    return WEB_UI_STRING("Styles...", "Styles context menu item");
}

String contextMenuItemTagShowColors()
{
    return WEB_UI_STRING("Show Colors", "Show colors context menu item");
}

String contextMenuItemTagSpeechMenu()
{
    return WEB_UI_STRING("Speech", "Speech context sub-menu item");
}

String contextMenuItemTagStartSpeaking()
{
    return WEB_UI_STRING("Start Speaking", "Start speaking context menu item");
}

String contextMenuItemTagStopSpeaking()
{
    return WEB_UI_STRING("Stop Speaking", "Stop speaking context menu item");
}
#endif

String contextMenuItemTagWritingDirectionMenu()
{
    return WEB_UI_STRING("Paragraph Direction", "Paragraph direction context sub-menu item");
}

String contextMenuItemTagTextDirectionMenu()
{
    return WEB_UI_STRING("Selection Direction", "Selection direction context sub-menu item");
}

String contextMenuItemTagDefaultDirection()
{
    return WEB_UI_STRING("Default", "Default writing direction context menu item");
}

String contextMenuItemTagLeftToRight()
{
    return WEB_UI_STRING("Left to Right", "Left to Right context menu item");
}

String contextMenuItemTagRightToLeft()
{
    return WEB_UI_STRING("Right to Left", "Right to Left context menu item");
}

#if PLATFORM(COCOA)

String contextMenuItemTagCorrectSpellingAutomatically()
{
    return WEB_UI_STRING("Correct Spelling Automatically", "Correct Spelling Automatically context menu item");
}

String contextMenuItemTagSubstitutionsMenu()
{
    return WEB_UI_STRING("Substitutions", "Substitutions context sub-menu item");
}

String contextMenuItemTagShowSubstitutions(bool show)
{
    if (show)
        return WEB_UI_STRING("Show Substitutions", "menu item title");
    return WEB_UI_STRING("Hide Substitutions", "menu item title");
}

String contextMenuItemTagSmartCopyPaste()
{
    return WEB_UI_STRING("Smart Copy/Paste", "Smart Copy/Paste context menu item");
}

String contextMenuItemTagSmartQuotes()
{
    return WEB_UI_STRING("Smart Quotes", "Smart Quotes context menu item");
}

String contextMenuItemTagSmartDashes()
{
    return WEB_UI_STRING("Smart Dashes", "Smart Dashes context menu item");
}

String contextMenuItemTagSmartLinks()
{
    return WEB_UI_STRING("Smart Links", "Smart Links context menu item");
}

String contextMenuItemTagTextReplacement()
{
    return WEB_UI_STRING("Text Replacement", "Text Replacement context menu item");
}

String contextMenuItemTagTransformationsMenu()
{
    return WEB_UI_STRING("Transformations", "Transformations context sub-menu item");
}

String contextMenuItemTagMakeUpperCase()
{
    return WEB_UI_STRING("Make Upper Case", "Make Upper Case context menu item");
}

String contextMenuItemTagMakeLowerCase()
{
    return WEB_UI_STRING("Make Lower Case", "Make Lower Case context menu item");
}

String contextMenuItemTagCapitalize()
{
    return WEB_UI_STRING("Capitalize", "Capitalize context menu item");
}

String contextMenuItemTagChangeBack(const String& replacedString)
{
    notImplemented();
    return replacedString;
}

#endif // PLATFORM(COCOA)

String contextMenuItemTagOpenVideoInNewWindow()
{
    return WEB_UI_STRING("Open Video in New Window", "Open Video in New Window context menu item");
}

String contextMenuItemTagOpenAudioInNewWindow()
{
    return WEB_UI_STRING("Open Audio in New Window", "Open Audio in New Window context menu item");
}

String contextMenuItemTagDownloadVideoToDisk()
{
    return WEB_UI_STRING("Download Video", "Download Video To Disk context menu item");
}

String contextMenuItemTagDownloadAudioToDisk()
{
    return WEB_UI_STRING("Download Audio", "Download Audio To Disk context menu item");
}

String contextMenuItemTagCopyVideoLinkToClipboard()
{
    return WEB_UI_STRING("Copy Video Address", "Copy Video Address Location context menu item");
}

String contextMenuItemTagCopyAudioLinkToClipboard()
{
    return WEB_UI_STRING("Copy Audio Address", "Copy Audio Address Location context menu item");
}

String contextMenuItemTagToggleMediaControls()
{
    return WEB_UI_STRING("Controls", "Media Controls context menu item");
}

String contextMenuItemTagShowMediaControls()
{
    return WEB_UI_STRING("Show Controls", "Show Media Controls context menu item");
}

String contextMenuItemTagHideMediaControls()
{
    return WEB_UI_STRING("Hide Controls", "Hide Media Controls context menu item");
}

String contextMenuItemTagToggleMediaLoop()
{
    return WEB_UI_STRING("Loop", "Media Loop context menu item");
}

String contextMenuItemTagEnterVideoFullscreen()
{
    return WEB_UI_STRING("Enter Full Screen", "Video Enter Fullscreen context menu item");
}

String contextMenuItemTagExitVideoFullscreen()
{
    return WEB_UI_STRING("Exit Full Screen", "Video Exit Fullscreen context menu item");
}

String contextMenuItemTagMediaPlay()
{
    return WEB_UI_STRING("Play", "Media Play context menu item");
}

String contextMenuItemTagMediaPause()
{
    return WEB_UI_STRING("Pause", "Media Pause context menu item");
}

String contextMenuItemTagMediaMute()
{
    return WEB_UI_STRING("Mute", "Media Mute context menu item");
}
    
String contextMenuItemTagInspectElement()
{
    return WEB_UI_STRING("Inspect Element", "Inspect Element context menu item");
}

#endif // ENABLE(CONTEXT_MENUS)

#if !PLATFORM(IOS)
String searchMenuNoRecentSearchesText()
{
    return WEB_UI_STRING("No recent searches", "Label for only item in menu that appears when clicking on the search field image, when no searches have been performed");
}

String searchMenuRecentSearchesText()
{
    return WEB_UI_STRING("Recent Searches", "label for first item in the menu that appears when clicking on the search field image, used as embedded menu title");
}

String searchMenuClearRecentSearchesText()
{
    return WEB_UI_STRING("Clear Recent Searches", "menu item in Recent Searches menu that empties menu's contents");
}

String AXWebAreaText()
{
    return WEB_UI_STRING("HTML content", "accessibility role description for web area");
}

String AXLinkText()
{
    return WEB_UI_STRING("link", "accessibility role description for link");
}

String AXListMarkerText()
{
    return WEB_UI_STRING("list marker", "accessibility role description for list marker");
}

String AXImageMapText()
{
    return WEB_UI_STRING("image map", "accessibility role description for image map");
}

String AXHeadingText()
{
    return WEB_UI_STRING("heading", "accessibility role description for headings");
}

String AXDefinitionText()
{
    return WEB_UI_STRING("definition", "role description of ARIA definition role");
}

String AXDescriptionListText()
{
    return WEB_UI_STRING("description list", "accessibility role description of a description list");
}

String AXDescriptionListTermText()
{
    return WEB_UI_STRING("term", "term word of a description list");
}

String AXDescriptionListDetailText()
{
    return WEB_UI_STRING("description", "description detail");
}

String AXFooterRoleDescriptionText()
{
    return WEB_UI_STRING("footer", "accessibility role description for a footer");
}

String AXFileUploadButtonText()
{
    return WEB_UI_STRING("file upload button", "accessibility role description for a file upload button");
}

String AXSearchFieldCancelButtonText()
{
    return WEB_UI_STRING("cancel", "accessibility description for a search field cancel button");
}

String AXButtonActionVerb()
{
    return WEB_UI_STRING("press", "Verb stating the action that will occur when a button is pressed, as used by accessibility");
}

String AXRadioButtonActionVerb()
{
    return WEB_UI_STRING("select", "Verb stating the action that will occur when a radio button is clicked, as used by accessibility");
}

String AXTextFieldActionVerb()
{
    return WEB_UI_STRING("activate", "Verb stating the action that will occur when a text field is selected, as used by accessibility");
}

String AXCheckedCheckBoxActionVerb()
{
    return WEB_UI_STRING("uncheck", "Verb stating the action that will occur when a checked checkbox is clicked, as used by accessibility");
}

String AXUncheckedCheckBoxActionVerb()
{
    return WEB_UI_STRING("check", "Verb stating the action that will occur when an unchecked checkbox is clicked, as used by accessibility");
}

String AXLinkActionVerb()
{
    return WEB_UI_STRING("jump", "Verb stating the action that will occur when a link is clicked, as used by accessibility");
}

String AXMenuListPopupActionVerb()
{
    notImplemented();
    return "select";
}

String AXMenuListActionVerb()
{
    notImplemented();
    return "select";
}

String AXListItemActionVerb()
{
    notImplemented();
    return "select";
}
#endif // !PLATFORM(IOS)

#if PLATFORM(COCOA)
String AXARIAContentGroupText(const String& ariaType)
{
    if (ariaType == "ARIAApplicationAlert")
        return WEB_UI_STRING("alert", "An ARIA accessibility group that acts as an alert.");
    if (ariaType == "ARIAApplicationAlertDialog")
        return WEB_UI_STRING("alert dialog", "An ARIA accessibility group that acts as an alert dialog.");
    if (ariaType == "ARIAApplicationDialog")
        return WEB_UI_STRING("dialog", "An ARIA accessibility group that acts as an dialog.");
    if (ariaType == "ARIAApplicationLog")
        return WEB_UI_STRING("log", "An ARIA accessibility group that acts as a console log.");
    if (ariaType == "ARIAApplicationMarquee")
        return WEB_UI_STRING("marquee", "An ARIA accessibility group that acts as a marquee.");
    if (ariaType == "ARIAApplicationStatus")
        return WEB_UI_STRING("application status", "An ARIA accessibility group that acts as a status update.");
    if (ariaType == "ARIAApplicationTimer")
        return WEB_UI_STRING("timer", "An ARIA accessibility group that acts as an updating timer.");
    if (ariaType == "ARIADocument")
        return WEB_UI_STRING("document", "An ARIA accessibility group that acts as a document.");
    if (ariaType == "ARIADocumentArticle")
        return WEB_UI_STRING("article", "An ARIA accessibility group that acts as an article.");
    if (ariaType == "ARIADocumentNote")
        return WEB_UI_STRING("note", "An ARIA accessibility group that acts as a note in a document.");
    if (ariaType == "ARIADocumentRegion")
        return WEB_UI_STRING("region", "An ARIA accessibility group that acts as a distinct region in a document.");
    if (ariaType == "ARIALandmarkApplication")
        return WEB_UI_STRING("application", "An ARIA accessibility group that acts as an application.");
    if (ariaType == "ARIALandmarkBanner")
        return WEB_UI_STRING("banner", "An ARIA accessibility group that acts as a banner.");
    if (ariaType == "ARIALandmarkComplementary")
        return WEB_UI_STRING("complementary", "An ARIA accessibility group that acts as a region of complementary information.");
    if (ariaType == "ARIALandmarkContentInfo")
        return WEB_UI_STRING("content information", "An ARIA accessibility group that contains content.");
    if (ariaType == "ARIALandmarkMain")
        return WEB_UI_STRING("main", "An ARIA accessibility group that is the main portion of the website.");
    if (ariaType == "ARIALandmarkNavigation")
        return WEB_UI_STRING("navigation", "An ARIA accessibility group that contains the main navigation elements of a website.");
    if (ariaType == "ARIALandmarkSearch")
        return WEB_UI_STRING("search", "An ARIA accessibility group that contains a search feature of a website.");
    if (ariaType == "ARIAUserInterfaceTooltip")
        return WEB_UI_STRING("tooltip", "An ARIA accessibility group that acts as a tooltip.");
    if (ariaType == "ARIATabPanel")
        return WEB_UI_STRING("tab panel", "An ARIA accessibility group that contains the content of a tab.");
    if (ariaType == "ARIADocumentMath")
        return WEB_UI_STRING("math", "An ARIA accessibility group that contains mathematical symbols.");
    return String();
}

String AXHorizontalRuleDescriptionText()
{
    return WEB_UI_STRING("separator", "accessibility role description for a horizontal rule [<hr>]");
}
    
#endif // PLATFORM(COCOA)

String missingPluginText()
{
    return WEB_UI_STRING("Missing Plug-in", "Label text to be used when a plugin is missing");
}

String crashedPluginText()
{
    return WEB_UI_STRING("Plug-in Failure", "Label text to be used if plugin host process has crashed");
}

String blockedPluginByContentSecurityPolicyText()
{
    return WEB_UI_STRING_KEY("Blocked Plug-in", "Blocked Plug-In (Blocked by page's Content Security Policy)", "Label text to be used if plugin is blocked by a page's Content Security Policy");
}

String insecurePluginVersionText()
{
    return WEB_UI_STRING_KEY("Blocked Plug-in", "Blocked Plug-In (Insecure plug-in)", "Label text to be used when an insecure plug-in version was blocked from loading");
}

String multipleFileUploadText(unsigned numberOfFiles)
{
    return formatLocalizedString(WEB_UI_STRING("%d files", "Label to describe the number of files selected in a file upload control that allows multiple files"), numberOfFiles);
}

String unknownFileSizeText()
{
    return WEB_UI_STRING_KEY("Unknown", "Unknown (filesize)", "Unknown filesize FTP directory listing item");
}

#if PLATFORM(WIN)
String uploadFileText()
{
    notImplemented();
    return "upload";
}

String allFilesText()
{
    notImplemented();
    return "all files";
}
#endif

#if PLATFORM(COCOA)
String builtInPDFPluginName()
{
    // Also exposed to DOM.
    return WEB_UI_STRING("WebKit built-in PDF", "Pseudo plug-in name, visible in the Installed Plug-ins page in Safari.");
}

String pdfDocumentTypeDescription()
{
    // Also exposed to DOM.
    return WEB_UI_STRING("Portable Document Format", "Description of the primary type supported by the PDF pseudo plug-in. Visible in the Installed Plug-ins page in Safari.");
}

String postScriptDocumentTypeDescription()
{
    // Also exposed to DOM.
    return WEB_UI_STRING("PostScript", "Description of the PostScript type supported by the PDF pseudo plug-in. Visible in the Installed Plug-ins page in Safari.");
}

String keygenMenuItem512()
{
    return WEB_UI_STRING("512 (Low Grade)", "Menu item title for KEYGEN pop-up menu");
}

String keygenMenuItem1024()
{
    return WEB_UI_STRING("1024 (Medium Grade)", "Menu item title for KEYGEN pop-up menu");
}

String keygenMenuItem2048()
{
    return WEB_UI_STRING("2048 (High Grade)", "Menu item title for KEYGEN pop-up menu");
}

String keygenKeychainItemName(const String& host)
{
    return formatLocalizedString(WEB_UI_STRING("Key from %@", "Name of keychain key generated by the KEYGEN tag"), host.createCFString().get());
}

#endif

#if PLATFORM(IOS)
String htmlSelectMultipleItems(size_t count)
{
    switch (count) {
    case 0:
        return WEB_UI_STRING("0 Items", "Present the element <select multiple> when no <option> items are selected (iOS only)");
    case 1:
        return WEB_UI_STRING("1 Item", "Present the element <select multiple> when a single <option> is selected (iOS only)");
    default:
        return formatLocalizedString(WEB_UI_STRING("%zu Items", "Present the number of selected <option> items in a <select multiple> element (iOS only)"), count);
    }
}

String fileButtonChooseMediaFileLabel()
{
    return WEB_UI_STRING("Choose Media (Single)", "Title for file button used in HTML forms for media files");
}

String fileButtonChooseMultipleMediaFilesLabel()
{
    return WEB_UI_STRING("Choose Media (Multiple)", "Title for file button used in HTML5 forms for multiple media files");
}

String fileButtonNoMediaFileSelectedLabel()
{
    return WEB_UI_STRING("no media selected (single)", "Text to display in file button used in HTML forms for media files when no media file is selected");
}

String fileButtonNoMediaFilesSelectedLabel()
{
    return WEB_UI_STRING("no media selected (multiple)", "Text to display in file button used in HTML forms for media files when no media files are selected and the button allows multiple files to be selected");
}
#endif

String imageTitle(const String& filename, const IntSize& size)
{
#if USE(CF)
    RetainPtr<CFLocaleRef> locale = adoptCF(CFLocaleCopyCurrent());
    RetainPtr<CFNumberFormatterRef> formatter = adoptCF(CFNumberFormatterCreate(0, locale.get(), kCFNumberFormatterDecimalStyle));

    int widthInt = size.width();
    RetainPtr<CFNumberRef> width = adoptCF(CFNumberCreate(0, kCFNumberIntType, &widthInt));
    RetainPtr<CFStringRef> widthString = adoptCF(CFNumberFormatterCreateStringWithNumber(0, formatter.get(), width.get()));

    int heightInt = size.height();
    RetainPtr<CFNumberRef> height = adoptCF(CFNumberCreate(0, kCFNumberIntType, &heightInt));
    RetainPtr<CFStringRef> heightString = adoptCF(CFNumberFormatterCreateStringWithNumber(0, formatter.get(), height.get()));

    return formatLocalizedString(WEB_UI_STRING("%@ %@×%@ pixels", "window title for a standalone image (uses multiplication symbol, not x)"), filename.createCFString().get(), widthString.get(), heightString.get());
#else
    return formatLocalizedString(WEB_UI_STRING("<filename> %d×%d pixels", "window title for a standalone image (uses multiplication symbol, not x)"), size.width(), size.height()).replace("<filename>", filename);
#endif
}

String mediaElementLoadingStateText()
{
    return WEB_UI_STRING("Loading...", "Media controller status message when the media is loading");
}

String mediaElementLiveBroadcastStateText()
{
    return WEB_UI_STRING("Live Broadcast", "Media controller status message when watching a live broadcast");
}

String localizedMediaControlElementString(const String& name)
{
    if (name == "AudioElement")
        return WEB_UI_STRING("audio playback", "accessibility label for audio element controller");
    if (name == "VideoElement")
        return WEB_UI_STRING("video playback", "accessibility label for video element controller");
    if (name == "MuteButton")
        return WEB_UI_STRING("mute", "accessibility label for mute button");
    if (name == "UnMuteButton")
        return WEB_UI_STRING("unmute", "accessibility label for turn mute off button");
    if (name == "PlayButton")
        return WEB_UI_STRING("play", "accessibility label for play button");
    if (name == "PauseButton")
        return WEB_UI_STRING("pause", "accessibility label for pause button");
    if (name == "Slider")
        return WEB_UI_STRING("movie time", "accessibility label for timeline slider");
    if (name == "SliderThumb")
        return WEB_UI_STRING("timeline slider thumb", "accessibility label for timeline thumb");
    if (name == "RewindButton")
        return WEB_UI_STRING("back 30 seconds", "accessibility label for seek back 30 seconds button");
    if (name == "ReturnToRealtimeButton")
        return WEB_UI_STRING("return to realtime", "accessibility label for return to real time button");
    if (name == "CurrentTimeDisplay")
        return WEB_UI_STRING("elapsed time", "accessibility label for elapsed time display");
    if (name == "TimeRemainingDisplay")
        return WEB_UI_STRING("remaining time", "accessibility label for time remaining display");
    if (name == "StatusDisplay")
        return WEB_UI_STRING("status", "accessibility label for movie status");
    if (name == "EnterFullscreenButton")
        return WEB_UI_STRING("enter fullscreen", "accessibility label for enter fullscreen button");
    if (name == "ExitFullscreenButton")
        return WEB_UI_STRING("exit fullscreen", "accessibility label for exit fullscreen button");
    if (name == "SeekForwardButton")
        return WEB_UI_STRING("fast forward", "accessibility label for fast forward button");
    if (name == "SeekBackButton")
        return WEB_UI_STRING("fast reverse", "accessibility label for fast reverse button");
    if (name == "ShowClosedCaptionsButton")
        return WEB_UI_STRING("show closed captions", "accessibility label for show closed captions button");
    if (name == "HideClosedCaptionsButton")
        return WEB_UI_STRING("hide closed captions", "accessibility label for hide closed captions button");

    // FIXME: the ControlsPanel container should never be visible in the accessibility hierarchy.
    if (name == "ControlsPanel")
        return String();

    ASSERT_NOT_REACHED();
    return String();
}

String localizedMediaControlElementHelpText(const String& name)
{
    if (name == "AudioElement")
        return WEB_UI_STRING("audio element playback controls and status display", "accessibility help text for audio element controller");
    if (name == "VideoElement")
        return WEB_UI_STRING("video element playback controls and status display", "accessibility help text for video element controller");
    if (name == "MuteButton")
        return WEB_UI_STRING("mute audio tracks", "accessibility help text for mute button");
    if (name == "UnMuteButton")
        return WEB_UI_STRING("unmute audio tracks", "accessibility help text for un mute button");
    if (name == "PlayButton")
        return WEB_UI_STRING("begin playback", "accessibility help text for play button");
    if (name == "PauseButton")
        return WEB_UI_STRING("pause playback", "accessibility help text for pause button");
    if (name == "Slider")
        return WEB_UI_STRING("movie time scrubber", "accessibility help text for timeline slider");
    if (name == "SliderThumb")
        return WEB_UI_STRING("movie time scrubber thumb", "accessibility help text for timeline slider thumb");
    if (name == "RewindButton")
        return WEB_UI_STRING("seek movie back 30 seconds", "accessibility help text for jump back 30 seconds button");
    if (name == "ReturnToRealtimeButton")
        return WEB_UI_STRING("return streaming movie to real time", "accessibility help text for return streaming movie to real time button");
    if (name == "CurrentTimeDisplay")
        return WEB_UI_STRING("current movie time in seconds", "accessibility help text for elapsed time display");
    if (name == "TimeRemainingDisplay")
        return WEB_UI_STRING("number of seconds of movie remaining", "accessibility help text for remaining time display");
    if (name == "StatusDisplay")
        return WEB_UI_STRING("current movie status", "accessibility help text for movie status display");
    if (name == "SeekBackButton")
        return WEB_UI_STRING("seek quickly back", "accessibility help text for fast rewind button");
    if (name == "SeekForwardButton")
        return WEB_UI_STRING("seek quickly forward", "accessibility help text for fast forward button");
    if (name == "FullscreenButton")
        return WEB_UI_STRING("Play movie in fullscreen mode", "accessibility help text for enter fullscreen button");
    if (name == "ShowClosedCaptionsButton")
        return WEB_UI_STRING("start displaying closed captions", "accessibility help text for show closed captions button");
    if (name == "HideClosedCaptionsButton")
        return WEB_UI_STRING("stop displaying closed captions", "accessibility help text for hide closed captions button");

    // The description of this button is descriptive enough that it doesn't require help text.
    if (name == "EnterFullscreenButton")
        return String();
    
    ASSERT_NOT_REACHED();
    return String();
}

String localizedMediaTimeDescription(float time)
{
    if (!std::isfinite(time))
        return WEB_UI_STRING("indefinite time", "accessibility help text for an indefinite media controller time value");

    int seconds = static_cast<int>(fabsf(time));
    int days = seconds / (60 * 60 * 24);
    int hours = seconds / (60 * 60);
    int minutes = (seconds / 60) % 60;
    seconds %= 60;

    if (days)
        return formatLocalizedString(WEB_UI_STRING("%1$d days %2$d hours %3$d minutes %4$d seconds", "accessibility help text for media controller time value >= 1 day"), days, hours, minutes, seconds);
    if (hours)
        return formatLocalizedString(WEB_UI_STRING("%1$d hours %2$d minutes %3$d seconds", "accessibility help text for media controller time value >= 60 minutes"), hours, minutes, seconds);
    if (minutes)
        return formatLocalizedString(WEB_UI_STRING("%1$d minutes %2$d seconds", "accessibility help text for media controller time value >= 60 seconds"), minutes, seconds);
    return formatLocalizedString(WEB_UI_STRING("%1$d seconds", "accessibility help text for media controller time value < 60 seconds"), seconds);
}

String validationMessageValueMissingText()
{
    return WEB_UI_STRING("value missing", "Validation message for required form control elements that have no value");
}

String validationMessageValueMissingForCheckboxText()
{
    return validationMessageValueMissingText();
}

String validationMessageValueMissingForFileText()
{
    return validationMessageValueMissingText();
}

String validationMessageValueMissingForMultipleFileText()
{
    return validationMessageValueMissingText();
}

String validationMessageValueMissingForRadioText()
{
    return validationMessageValueMissingText();
}

String validationMessageValueMissingForSelectText()
{
    return validationMessageValueMissingText();
}

String validationMessageTypeMismatchText()
{
    return WEB_UI_STRING("type mismatch", "Validation message for input form controls with a value not matching type");
}

String validationMessageTypeMismatchForEmailText()
{
    return validationMessageTypeMismatchText();
}

String validationMessageTypeMismatchForMultipleEmailText()
{
    return validationMessageTypeMismatchText();
}

String validationMessageTypeMismatchForURLText()
{
    return validationMessageTypeMismatchText();
}

String validationMessagePatternMismatchText()
{
    return WEB_UI_STRING("pattern mismatch", "Validation message for input form controls requiring a constrained value according to pattern");
}

String validationMessageTooLongText(int, int)
{
    return WEB_UI_STRING("too long", "Validation message for form control elements with a value longer than maximum allowed length");
}

String validationMessageRangeUnderflowText(const String&)
{
    return WEB_UI_STRING("range underflow", "Validation message for input form controls with value lower than allowed minimum");
}

String validationMessageRangeOverflowText(const String&)
{
    return WEB_UI_STRING("range overflow", "Validation message for input form controls with value higher than allowed maximum");
}

String validationMessageStepMismatchText(const String&, const String&)
{
    return WEB_UI_STRING("step mismatch", "Validation message for input form controls with value not respecting the step attribute");
}

String validationMessageBadInputForNumberText()
{
    notImplemented();
    return validationMessageTypeMismatchText();
}

String clickToExitFullScreenText()
{
    return WEB_UI_STRING("Click to Exit Full Screen", "Message to display in browser window when in webkit full screen mode.");
}

#if ENABLE(VIDEO_TRACK)
String textTrackSubtitlesText()
{
    return WEB_UI_STRING("Subtitles", "Menu section heading for subtitles");
}

String textTrackOffMenuItemText()
{
    return WEB_UI_STRING("Off", "Menu item label for the track that represents disabling closed captions");
}

String textTrackAutomaticMenuItemText()
{
    return formatLocalizedString(WEB_UI_STRING("Auto (Recommended)", "Menu item label for automatic track selection behavior"));
}

String textTrackNoLabelText()
{
    return WEB_UI_STRING_KEY("Unknown", "Unknown (text track)", "Menu item label for a text track that has no other name");
}

String audioTrackNoLabelText()
{
    return WEB_UI_STRING_KEY("Unknown", "Unknown (audio track)", "Menu item label for an audio track that has no other name");
}

#if PLATFORM(COCOA) || PLATFORM(WIN)
String textTrackCountryAndLanguageMenuItemText(const String& title, const String& country, const String& language)
{
    return formatLocalizedString(WEB_UI_STRING("%@ (%@-%@)", "Text track display name format that includes the country and language of the subtitle, in the form of 'Title (Language-Country)'"), title.createCFString().get(), language.createCFString().get(), country.createCFString().get());
}

String textTrackLanguageMenuItemText(const String& title, const String& language)
{
    return formatLocalizedString(WEB_UI_STRING("%@ (%@)", "Text track display name format that includes the language of the subtitle, in the form of 'Title (Language)'"), title.createCFString().get(), language.createCFString().get());
}

String closedCaptionTrackMenuItemText(const String& title)
{
    return formatLocalizedString(WEB_UI_STRING("%@ CC", "Text track contains closed captions"), title.createCFString().get());
}

String sdhTrackMenuItemText(const String& title)
{
    return formatLocalizedString(WEB_UI_STRING("%@ SDH", "Text track contains subtitles for the deaf and hard of hearing"), title.createCFString().get());
}

String easyReaderTrackMenuItemText(const String& title)
{
    return formatLocalizedString(WEB_UI_STRING("%@ Easy Reader", "Text track contains simplified (3rd grade level) subtitles"), title.createCFString().get());
}

String forcedTrackMenuItemText(const String& title)
{
    return formatLocalizedString(WEB_UI_STRING("%@ Forced", "Text track contains forced subtitles"), title.createCFString().get());
}
#endif

#endif

String snapshottedPlugInLabelTitle()
{
    return WEB_UI_STRING("Snapshotted Plug-In", "Title of the label to show on a snapshotted plug-in");
}

String snapshottedPlugInLabelSubtitle()
{
    return WEB_UI_STRING("Click to restart", "Subtitle of the label to show on a snapshotted plug-in");
}

String useBlockedPlugInContextMenuTitle()
{
    return formatLocalizedString(WEB_UI_STRING("Show in blocked plug-in", "Title of the context menu item to show when PDFPlugin was used instead of a blocked plugin"));
}

#if ENABLE(SUBTLE_CRYPTO)
String webCryptoMasterKeyKeychainLabel(const String& localizedApplicationName)
{
    return formatLocalizedString(WEB_UI_STRING("%@ WebCrypto Master Key", "Name of application's single WebCrypto master key in Keychain"), localizedApplicationName.createCFString().get());
}

String webCryptoMasterKeyKeychainComment()
{
    return WEB_UI_STRING("Used to encrypt WebCrypto keys in persistent storage, such as IndexedDB", "Description of WebCrypto master keys in Keychain");
}
#endif

} // namespace WebCore