// Copyright (c) 2012 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.

#ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_
#define CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_
#pragma once

#include <string>

#include "base/basictypes.h"
#include "googleurl/src/gurl.h"

// Keys used in JSON representation of extensions.
namespace extension_manifest_keys {
  extern const char kAllFrames[];
  extern const char kAltKey[];
  extern const char kApp[];
  extern const char kBackground[];
  extern const char kBackgroundPage[];
  extern const char kBackgroundPageLegacy[];
  extern const char kBackgroundScripts[];
  extern const char kBackgroundPersistent[];
  extern const char kBrowserAction[];
  extern const char kBrowseURLs[];
  extern const char kChromeURLOverrides[];
  extern const char kCommands[];
  extern const char kContentScripts[];
  extern const char kContentSecurityPolicy[];
  extern const char kConvertedFromUserScript[];
  extern const char kCss[];
  extern const char kCtrlKey[];
  extern const char kCurrentLocale[];
  extern const char kDefaultLocale[];
  extern const char kDescription[];
  extern const char kDevToolsPage[];
  extern const char kEventName[];
  extern const char kExcludeGlobs[];
  extern const char kExcludeMatches[];
  extern const char kFileFilters[];
  extern const char kFileBrowserHandlers[];
  extern const char kHomepageURL[];
  extern const char kIcons[];
  extern const char kId[];
  extern const char kIncognito[];
  extern const char kIncludeGlobs[];
  extern const char kInputComponents[];
  extern const char kIntents[];
  extern const char kIntentType[];
  extern const char kIntentPath[];
  extern const char kIntentTitle[];
  extern const char kIntentDisposition[];
  extern const char kIsolation[];
  extern const char kJs[];
  extern const char kKey[];
  extern const char kKeycode[];
  extern const char kLanguage[];
  extern const char kLaunch[];
  extern const char kLaunchContainer[];
  extern const char kLaunchHeight[];
  extern const char kLaunchLocalPath[];
  extern const char kLaunchMaxHeight[];
  extern const char kLaunchMaxWidth[];
  extern const char kLaunchMinHeight[];
  extern const char kLaunchMinWidth[];
  extern const char kLaunchWebURL[];
  extern const char kLaunchWidth[];
  extern const char kLayouts[];
  extern const char kManifestVersion[];
  extern const char kMatches[];
  extern const char kMinimumChromeVersion[];
  extern const char kNaClModules[];
  extern const char kNaClModulesMIMEType[];
  extern const char kNaClModulesPath[];
  extern const char kName[];
  extern const char kOfflineEnabled[];
  extern const char kOmnibox[];
  extern const char kOmniboxKeyword[];
  extern const char kOptionalPermissions[];
  extern const char kOptionsPage[];
  extern const char kPageAction[];
  extern const char kPageActionDefaultIcon[];
  extern const char kPageActionDefaultPopup[];
  extern const char kPageActionDefaultTitle[];
  extern const char kPageActionIcons[];
  extern const char kPageActionId[];
  extern const char kPageActionPopup[];
  extern const char kPageActionPopupPath[];
  extern const char kPageActions[];
  extern const char kPermissions[];
  extern const char kPlatformApp[];
  extern const char kPlugins[];
  extern const char kPluginsPath[];
  extern const char kPluginsPublic[];
  extern const char kPublicKey[];
  extern const char kRequirements[];
  extern const char kRunAt[];
  extern const char kShiftKey[];
  extern const char kShortcutKey[];
  extern const char kSignature[];
  extern const char kTheme[];
  extern const char kThemeColors[];
  extern const char kThemeDisplayProperties[];
  extern const char kThemeImages[];
  extern const char kThemeTints[];
  extern const char kTtsEngine[];
  extern const char kTtsGenderFemale[];
  extern const char kTtsGenderMale[];
  extern const char kTtsVoices[];
  extern const char kTtsVoicesEventTypeEnd[];
  extern const char kTtsVoicesEventTypeError[];
  extern const char kTtsVoicesEventTypeMarker[];
  extern const char kTtsVoicesEventTypeSentence[];
  extern const char kTtsVoicesEventTypeStart[];
  extern const char kTtsVoicesEventTypeWord[];
  extern const char kTtsVoicesEventTypes[];
  extern const char kTtsVoicesGender[];
  extern const char kTtsVoicesLang[];
  extern const char kTtsVoicesVoiceName[];
  extern const char kType[];
  extern const char kUpdateURL[];
  extern const char kVersion[];
  extern const char kWebAccessibleResources[];
  extern const char kWebURLs[];
}  // namespace extension_manifest_keys

// Some values expected in manifests.
namespace extension_manifest_values {
  extern const char kBrowserActionKeybindingEvent[];
  extern const char kIncognitoSplit[];
  extern const char kIncognitoSpanning[];
  extern const char kIntentDispositionWindow[];
  extern const char kIntentDispositionInline[];
  extern const char kIsolatedStorage[];
  extern const char kLaunchContainerPanel[];
  extern const char kLaunchContainerShell[];
  extern const char kLaunchContainerTab[];
  extern const char kLaunchContainerWindow[];
  extern const char kPageActionKeybindingEvent[];
  extern const char kPageActionTypePermanent[];
  extern const char kPageActionTypeTab[];
  extern const char kRunAtDocumentEnd[];
  extern const char kRunAtDocumentIdle[];
  extern const char kRunAtDocumentStart[];
}  // namespace extension_manifest_values

// Error messages returned from Extension::InitFromValue().
namespace extension_manifest_errors {
  extern const char kAppsNotEnabled[];
  extern const char kBackgroundPermissionNeeded[];
  extern const char kCannotAccessPage[];
  extern const char kCannotChangeExtensionID[];
  extern const char kCannotClaimAllHostsInExtent[];
  extern const char kCannotClaimAllURLsInExtent[];
  extern const char kCannotScriptGallery[];
  extern const char kCannotUninstallManagedExtension[];
  extern const char kChromeVersionTooLow[];
  extern const char kDevToolsExperimental[];
  extern const char kDisabledByPolicy[];
  extern const char kExperimentalFlagRequired[];
  extern const char kExpectString[];
  extern const char kFeatureNotAllowed[];
  extern const char kInvalidAllFrames[];
  extern const char kInvalidBackground[];
  extern const char kInvalidBackgroundCombination[];
  extern const char kInvalidBackgroundScript[];
  extern const char kInvalidBackgroundScripts[];
  extern const char kInvalidBackgroundInHostedApp[];
  extern const char kInvalidBackgroundPersistent[];
  extern const char kInvalidBackgroundPersistentNoPage[];
  extern const char kInvalidBrowserAction[];
  extern const char kInvalidBrowseURL[];
  extern const char kInvalidBrowseURLs[];
  extern const char kInvalidChromeURLOverrides[];
  extern const char kInvalidCommandsKey[];
  extern const char kInvalidContentScript[];
  extern const char kInvalidContentScriptsList[];
  extern const char kInvalidContentSecurityPolicy[];
  extern const char kInvalidCss[];
  extern const char kInvalidCssList[];
  extern const char kInvalidDefaultLocale[];
  extern const char kInvalidDescription[];
  extern const char kInvalidDevToolsPage[];
  extern const char kInvalidExcludeMatch[];
  extern const char kInvalidExcludeMatches[];
  extern const char kInvalidFileBrowserHandler[];
  extern const char kInvalidFileFiltersList[];
  extern const char kInvalidFileFilterValue[];
  extern const char kInvalidGlob[];
  extern const char kInvalidGlobList[];
  extern const char kInvalidHomepageURL[];
  extern const char kInvalidIconPath[];
  extern const char kInvalidIcons[];
  extern const char kInvalidIncognitoBehavior[];
  extern const char kInvalidInputComponents[];
  extern const char kInvalidInputComponentDescription[];
  extern const char kInvalidInputComponentLayoutName[];
  extern const char kInvalidInputComponentLayouts[];
  extern const char kInvalidInputComponentName[];
  extern const char kInvalidInputComponentShortcutKey[];
  extern const char kInvalidInputComponentShortcutKeycode[];
  extern const char kInvalidInputComponentType[];
  extern const char kInvalidIntent[];
  extern const char kInvalidIntentDisposition[];
  extern const char kInvalidIntentPath[];
  extern const char kInvalidIntentPageInHostedApp[];
  extern const char kInvalidIntents[];
  extern const char kInvalidIntentType[];
  extern const char kInvalidIntentTypeElement[];
  extern const char kInvalidIntentTitle[];
  extern const char kInvalidIsolation[];
  extern const char kInvalidIsolationValue[];
  extern const char kInvalidJs[];
  extern const char kInvalidJsList[];
  extern const char kInvalidKey[];
  extern const char kInvalidKeyBinding[];
  extern const char kInvalidKeyBindingDescription[];
  extern const char kInvalidKeyBindingDictionary[];
  extern const char kInvalidLaunchContainer[];
  extern const char kInvalidLaunchContainerForNonPlatform[];
  extern const char kInvalidLaunchContainerForPlatform[];
  extern const char kInvalidLaunchValue[];
  extern const char kInvalidLaunchValueContainer[];
  extern const char kInvalidManifest[];
  extern const char kInvalidManifestVersion[];
  extern const char kInvalidMatch[];
  extern const char kInvalidMatchCount[];
  extern const char kInvalidMatches[];
  extern const char kInvalidMinimumChromeVersion[];
  extern const char kInvalidNaClModules[];
  extern const char kInvalidNaClModulesMIMEType[];
  extern const char kInvalidNaClModulesPath[];
  extern const char kInvalidName[];
  extern const char kInvalidOfflineEnabled[];
  extern const char kInvalidOmniboxKeyword[];
  extern const char kInvalidOptionsPage[];
  extern const char kInvalidOptionsPageExpectUrlInPackage[];
  extern const char kInvalidOptionsPageInHostedApp[];
  extern const char kInvalidPageAction[];
  extern const char kInvalidPageActionDefaultTitle[];
  extern const char kInvalidPageActionIconPath[];
  extern const char kInvalidPageActionId[];
  extern const char kInvalidPageActionName[];
  extern const char kInvalidPageActionOldAndNewKeys[];
  extern const char kInvalidPageActionPopup[];
  extern const char kInvalidPageActionPopupHeight[];
  extern const char kInvalidPageActionPopupPath[];
  extern const char kInvalidPageActionsList[];
  extern const char kInvalidPageActionsListSize[];
  extern const char kInvalidPageActionTypeValue[];
  extern const char kInvalidPermission[];
  extern const char kInvalidPermissions[];
  extern const char kInvalidPermissionScheme[];
  extern const char kInvalidPlugins[];
  extern const char kInvalidPluginsPath[];
  extern const char kInvalidPluginsPublic[];
  extern const char kInvalidRequirement[];
  extern const char kInvalidRequirements[];
  extern const char kInvalidRunAt[];
  extern const char kInvalidSignature[];
  extern const char kInvalidTheme[];
  extern const char kInvalidThemeColors[];
  extern const char kInvalidThemeImages[];
  extern const char kInvalidThemeImagesMissing[];
  extern const char kInvalidThemeTints[];
  extern const char kInvalidTts[];
  extern const char kInvalidTtsVoices[];
  extern const char kInvalidTtsVoicesEventTypes[];
  extern const char kInvalidTtsVoicesGender[];
  extern const char kInvalidTtsVoicesLang[];
  extern const char kInvalidTtsVoicesVoiceName[];
  extern const char kInvalidUpdateURL[];
  extern const char kInvalidURLPatternError[];
  extern const char kInvalidVersion[];
  extern const char kInvalidWebAccessibleResourcesList[];
  extern const char kInvalidWebAccessibleResource[];
  extern const char kInvalidWebURL[];
  extern const char kInvalidWebURLs[];
  extern const char kInvalidZipHash[];
  extern const char kLaunchPathAndExtentAreExclusive[];
  extern const char kLaunchPathAndURLAreExclusive[];
  extern const char kLaunchURLRequired[];
  extern const char kLocalesMessagesFileMissing[];
  extern const char kLocalesNoDefaultLocaleSpecified[];
  extern const char kLocalesNoDefaultMessages[];
  extern const char kLocalesNoValidLocaleNamesListed[];
  extern const char kLocalesTreeMissing[];
  extern const char kManifestParseError[];
  extern const char kManifestUnreadable[];
  extern const char kMissingFile[];
  extern const char kMultipleOverrides[];
  extern const char kNoWildCardsInPaths[];
  extern const char kPermissionNotAllowed[];
  extern const char kOneUISurfaceOnly[];
  extern const char kReservedMessageFound[];
  extern const char kWebContentMustBeEnabled[];
#if defined(OS_CHROMEOS)
  extern const char kIllegalPlugins[];
#endif
}  // namespace extension_manifest_errors

namespace extension_urls {
  // Returns the URL prefix for the extension/apps gallery. Can be set via the
  // --apps-gallery-url switch. The URL returned will not contain a trailing
  // slash. Do not use this as a prefix/extent for the store.  Instead see
  // ExtensionService::GetWebStoreApp or
  // ExtensionService::IsDownloadFromGallery
  std::string GetWebstoreLaunchURL();

  // Returns the URL prefix for an item in the extension/app gallery. This URL
  // will contain a trailing slash and should be concatenated with an item ID
  // to get the item detail URL.
  std::string GetWebstoreItemDetailURLPrefix();

  // Returns the URL used to get webstore data (ratings, manifest, icon URL,
  // etc.) about an extension from the webstore as JSON.
  GURL GetWebstoreItemJsonDataURL(const std::string& extension_id);

  // Return the update URL used by gallery/webstore extensions/apps. The
  // |secure| parameter will be ignored if the update URL is overriden with
  // --apps-gallery-update-url.
  GURL GetWebstoreUpdateUrl(bool secure);

  // Returns whether the URL is the webstore update URL (secure or not).
  bool IsWebstoreUpdateUrl(const GURL& update_url);

  // Returns true if the URL points to an extension blacklist.
  bool IsBlacklistUpdateUrl(const GURL& url);

  // The greatest common prefixes of the main extensions gallery's browse and
  // download URLs.
  extern const char kGalleryBrowsePrefix[];
}  // namespace extension_urls

namespace extension_filenames {
  // The name of a temporary directory to install an extension into for
  // validation before finalizing install.
  extern const char kTempExtensionName[];

  // The file to write our decoded images to, relative to the extension_path.
  extern const char kDecodedImagesFilename[];

  // The file to write our decoded message catalogs to, relative to the
  // extension_path.
  extern const char kDecodedMessageCatalogsFilename[];

  // The filename to use for a background page generated from
  // background.scripts.
  extern const char kGeneratedBackgroundPageFilename[];
}

namespace extension_misc {
  // Matches chrome.windows.WINDOW_ID_NONE.
  const int kUnknownWindowId = -1;

  // Matches chrome.windows.WINDOW_ID_CURRENT.
  const int kCurrentWindowId = -2;

  // The extension id of the bookmark manager.
  extern const char kBookmarkManagerId[];

  // The extension id of the Citrix Receiver application.
  extern const char kCitrixReceiverAppId[];

  // The extension id of the beta Citrix Receiver application.
  extern const char kCitrixReceiverAppBetaId[];

  // The extension id of the dev Citrix Receiver application.
  extern const char kCitrixReceiverAppDevId[];

  // The extension id of the Enterprise Web Store component application.
  extern const char kEnterpriseWebStoreAppId[];

  // The extension id of the HTerm app for ChromeOS.
  extern const char kHTermAppId[];

  // The extension id of the HTerm dev app for ChromeOS.
  extern const char kHTermDevAppId[];

  // The extension id of the Web Store component application.
  extern const char kWebStoreAppId[];

  // The extension id of the Cloud Print component application.
  extern const char kCloudPrintAppId[];

  // Note: this structure is an ASN.1 which encodes the algorithm used
  // with its parameters. This is defined in PKCS #1 v2.1 (RFC 3447).
  // It is encoding: { OID sha1WithRSAEncryption      PARAMETERS NULL }
  const uint8 kSignatureAlgorithm[15] = {
    0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
    0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00
  };

  // Don't remove items or change the order of this enum.  It's used in
  // histograms and preferences.
  enum LaunchContainer {
    LAUNCH_WINDOW,
    LAUNCH_PANEL,
    LAUNCH_TAB,
    LAUNCH_SHELL
  };

  // The name of the apps promo histogram.
  extern const char kAppsPromoHistogram[];

  // The buckets used in the apps promo histogram.
  enum AppsPromoBuckets {
    PROMO_LAUNCH_APP,
    PROMO_LAUNCH_WEB_STORE,
    PROMO_CLOSE,
    PROMO_EXPIRE,
    PROMO_SEEN,
    PROMO_BUCKET_BOUNDARY
  };

  // The name of the app launch histogram.
  extern const char kAppLaunchHistogram[];

  // The buckets used for app launches.
  enum AppLaunchBucket {
    // Launch from NTP apps section while maximized.
    APP_LAUNCH_NTP_APPS_MAXIMIZED,

    // Launch from NTP apps section while collapsed.
    APP_LAUNCH_NTP_APPS_COLLAPSED,

    // Launch from NTP apps section while in menu mode.
    APP_LAUNCH_NTP_APPS_MENU,

    // Launch from NTP most visited section in any mode.
    APP_LAUNCH_NTP_MOST_VISITED,

    // Launch from NTP recently closed section in any mode.
    APP_LAUNCH_NTP_RECENTLY_CLOSED,

    // App link clicked from bookmark bar.
    APP_LAUNCH_BOOKMARK_BAR,

    // Nvigated to an app from within a web page (like by clicking a link).
    APP_LAUNCH_CONTENT_NAVIGATION,

    // Launch from session restore.
    APP_LAUNCH_SESSION_RESTORE,

    // Autolaunched at startup, like for pinned tabs.
    APP_LAUNCH_AUTOLAUNCH,

    // Launched from omnibox app links.
    APP_LAUNCH_OMNIBOX_APP,

    // App URL typed directly into the omnibox (w/ instant turned off).
    APP_LAUNCH_OMNIBOX_LOCATION,

    // Navigate to an app URL via instant.
    APP_LAUNCH_OMNIBOX_INSTANT,

    // Launch via chrome.management.launchApp.
    APP_LAUNCH_EXTENSION_API,

    // Launch using the --app or --app-id cmd line options.
    APP_LAUNCH_CMD_LINE_APP,

    // App launch by passing the URL on the cmd line (not using app switches).
    APP_LAUNCH_CMD_LINE_URL,

    // User clicked web store launcher on NTP.
    APP_LAUNCH_NTP_WEBSTORE,

    // App launched after the user re-enabled it on the NTP.
    APP_LAUNCH_NTP_APP_RE_ENABLE,

    // URL launched using the --app cmd line option, but the URL does not
    // correspond to an installed app. These launches are left over from a
    // feature that let you make desktop shortcuts from the file menu.
    APP_LAUNCH_CMD_LINE_APP_LEGACY,

    // User clicked web store link on the NTP footer.
    APP_LAUNCH_NTP_WEBSTORE_FOOTER,

    // User clicked [+] icon in apps page.
    APP_LAUNCH_NTP_WEBSTORE_PLUS_ICON,

    APP_LAUNCH_BUCKET_BOUNDARY,
    APP_LAUNCH_BUCKET_INVALID
  };

#if defined(OS_CHROMEOS)
  // The directory path on a ChromeOS device where accessibility extensions are
  // stored.
  extern const char kAccessExtensionPath[];
  extern const char kChromeVoxDirectoryName[];
#endif

  // What causes an extension to be installed? Used in histograms, so don't
  // change existing values.
  enum CrxInstallCause {
    INSTALL_CAUSE_UNSET = 0,
    INSTALL_CAUSE_USER_DOWNLOAD,
    INSTALL_CAUSE_UPDATE,
    INSTALL_CAUSE_EXTERNAL_FILE,
    INSTALL_CAUSE_AUTOMATION,
    NUM_INSTALL_CAUSES
  };

  enum UnloadedExtensionReason {
    UNLOAD_REASON_DISABLE,    // Extension is being disabled.
    UNLOAD_REASON_UPDATE,     // Extension is being updated to a newer version.
    UNLOAD_REASON_UNINSTALL,  // Extension is being uninstalled.
    UNLOAD_REASON_TERMINATE,  // Extension has terminated.
  };
}  // extension_misc

#endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_