gecko-dev/netwerk/base/nsIBrowserSearchService.idl

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIURI;
interface nsIInputStream;
[scriptable, uuid(5799251f-5b55-4df7-a9e7-0c27812c469a)]
interface nsISearchSubmission : nsISupports
{
/**
* The POST data associated with a search submission, wrapped in a MIME
* input stream. May be null.
*/
readonly attribute nsIInputStream postData;
/**
* The URI to submit a search to.
*/
readonly attribute nsIURI uri;
};
[scriptable, uuid(620bd920-0491-48c8-99a8-d6047e64802d)]
interface nsISearchEngine : nsISupports
{
/**
* Gets a nsISearchSubmission object that contains information about what to
* send to the search engine, including the URI and postData, if applicable.
*
* @param data
* Data to add to the submission object.
* i.e. the search terms.
*
* @param responseType [optional]
* The MIME type that we'd like to receive in response
* to this submission. If null, will default to "text/html".
*
* @param purpose [optional]
* A string meant to indicate the context of the search request. This
* allows the search service to provide a different nsISearchSubmission
* depending on e.g. where the search is triggered in the UI.
*
* @returns A nsISearchSubmission object that contains information about what
* to send to the search engine. If no submission can be
* obtained for the given responseType, returns null.
*/
nsISearchSubmission getSubmission(in AString data,
[optional] in AString responseType,
[optional] in AString purpose);
/**
* Adds a parameter to the search engine's submission data. This should only
* be called on engines created via addEngineWithDetails.
*
* @param name
* The parameter's name. Must not be null.
*
* @param value
* The value to pass. If value is "{searchTerms}", it will be
* substituted with the user-entered data when retrieving the
* submission. Must not be null.
*
* @param responseType
* Since an engine can have several different request URLs,
* differentiated by response types, this parameter selects
* a request to add parameters to. If null, will default
* to "text/html"
*
* @throws NS_ERROR_FAILURE if the search engine is read-only.
* @throws NS_ERROR_INVALID_ARG if name or value are null.
*/
void addParam(in AString name, in AString value, in AString responseType);
/**
* Determines whether the engine can return responses in the given
* MIME type. Returns true if the engine spec has a URL with the
* given responseType, false otherwise.
*
* @param responseType
* The MIME type to check for
*/
boolean supportsResponseType(in AString responseType);
/**
* Returns a string with the URL to an engine's icon matching both width and
* height. Returns null if icon with specified dimensions is not found.
*
* @param width
* Width of the requested icon.
* @param height
* Height of the requested icon.
*/
AString getIconURLBySize(in long width, in long height);
/**
* Gets an array of all available icons. Each entry is an object with
* width, height and url properties. width and height are numeric and
* represent the icon's dimensions. url is a string with the URL for
* the icon.
*/
jsval getIcons();
/**
* Opens a speculative connection to the engine's search URI
* (and suggest URI, if different) to reduce request latency
*
* @param options
* An object that must contain the following fields:
* {window} the content window for the window performing the search
*
* @throws NS_ERROR_INVALID_ARG if options is omitted or lacks required
* elemeents
*/
void speculativeConnect(in jsval options);
/**
* An optional shortcut alias for the engine.
* When non-null, this is a unique identifier.
*/
attribute AString alias;
/**
* A text description describing the engine.
*/
readonly attribute AString description;
/**
* Whether the engine should be hidden from the user.
*/
attribute boolean hidden;
/**
* A nsIURI corresponding to the engine's icon, stored locally. May be null.
*/
readonly attribute nsIURI iconURI;
/**
* The display name of the search engine. This is a unique identifier.
*/
readonly attribute AString name;
/**
* A URL string pointing to the engine's search form.
*/
readonly attribute AString searchForm;
/**
* An optional unique identifier for this search engine within the context of
* the distribution, as provided by the distributing entity.
*/
readonly attribute AString identifier;
/**
* Gets a string representing the hostname from which search results for a
* given responseType are returned, minus the leading "www." (if present).
* This can be specified as an url attribute in the engine description file,
* but will default to host from the <Url>'s template otherwise.
*
* @param responseType [optional]
* The MIME type to get resultDomain for. Defaults to "text/html".
*
* @return the resultDomain for the given responseType.
*/
AString getResultDomain([optional] in AString responseType);
};
[scriptable, uuid(0dc93e51-a7bf-4a16-862d-4b3469ff6206)]
interface nsISearchParseSubmissionResult : nsISupports
{
/**
* The search engine associated with the URL passed in to
* nsISearchEngine::parseSubmissionURL, or null if the URL does not represent
* a search submission.
*/
readonly attribute nsISearchEngine engine;
/**
* String containing the sought terms. This can be an empty string in case no
* terms were specified or the URL does not represent a search submission.
*/
readonly attribute AString terms;
/**
* The offset of the string |terms| in the URL passed in to
* nsISearchEngine::parseSubmissionURL, or -1 if the URL does not represent
* a search submission.
*/
readonly attribute long termsOffset;
/**
* The length of the |terms| in the original encoding of the URL passed in to
* nsISearchEngine::parseSubmissionURL. If the search term in the original
* URL is encoded then this will be bigger than |terms.length|.
*/
readonly attribute long termsLength;
};
[scriptable, uuid(9fc39136-f08b-46d3-b232-96f4b7b0e235)]
interface nsISearchInstallCallback : nsISupports
{
const unsigned long ERROR_UNKNOWN_FAILURE = 0x1;
const unsigned long ERROR_DUPLICATE_ENGINE = 0x2;
/**
* Called to indicate that the engine addition process succeeded.
*
* @param engine
* The nsISearchEngine object that was added (will not be null).
*/
void onSuccess(in nsISearchEngine engine);
/**
* Called to indicate that the engine addition process failed.
*
* @param errorCode
* One of the ERROR_* values described above indicating the cause of
* the failure.
*/
void onError(in unsigned long errorCode);
};
/**
* Callback for asynchronous initialization of nsIBrowserSearchService
*/
[scriptable, function, uuid(02256156-16e4-47f1-9979-76ff98ceb590)]
interface nsIBrowserSearchInitObserver : nsISupports
{
/**
* Called once initialization of the browser search service is complete.
*
* @param aStatus The status of that service.
*/
void onInitComplete(in nsresult aStatus);
};
[scriptable, uuid(150ef720-bbe2-4169-b9f3-ef7ec0654ced)]
interface nsIBrowserSearchService : nsISupports
{
/**
* Start asynchronous initialization.
*
* The callback is triggered once initialization is complete, which may be
* immediately, if initialization has already been completed by some previous
* call to this method. The callback is always invoked asynchronously.
*
* @param aObserver An optional object observing the end of initialization.
*/
void init([optional] in nsIBrowserSearchInitObserver aObserver);
/**
* Determine whether initialization has been completed.
*
* Clients of the service can use this attribute to quickly determine whether
* initialization is complete, and decide to trigger some immediate treatment,
* to launch asynchronous initialization or to bailout.
*
* Note that this attribute does not indicate that initialization has succeeded.
*
* @return |true| if the search service is now initialized, |false| if
* initialization has not been triggered yet.
*/
readonly attribute bool isInitialized;
/**
* Resets the default engine to its original value.
*/
void resetToOriginalDefaultEngine();
/**
* Adds a new search engine from the file at the supplied URI, optionally
* asking the user for confirmation first. If a confirmation dialog is
* shown, it will offer the option to begin using the newly added engine
* right away.
*
* @param engineURL
* The URL to the search engine's description file.
*
* @param dataType
* Obsolete, the value is ignored.
*
* @param iconURL
* A URL string to an icon file to be used as the search engine's
* icon. This value may be overridden by an icon specified in the
* engine description file.
*
* @param confirm
* A boolean value indicating whether the user should be asked for
* confirmation before this engine is added to the list. If this
* value is false, the engine will be added to the list upon successful
* load, but it will not be selected as the current engine.
*
* @param callback
* A nsISearchInstallCallback that will be notified when the
* addition is complete, or if the addition fails. It will not be
* called if addEngine throws an exception.
*
* @throws NS_ERROR_FAILURE if the description file cannot be successfully
* loaded.
*/
void addEngine(in AString engineURL, in long dataType, in AString iconURL,
in boolean confirm, [optional] in nsISearchInstallCallback callback);
/**
* Adds a new search engine, without asking the user for confirmation and
* without starting to use it right away.
*
* @param name
* The search engine's name. Must be unique. Must not be null.
*
* @param iconURL
* Optional: A URL string pointing to the icon to be used to represent
* the engine.
*
* @param alias
* Optional: A unique shortcut that can be used to retrieve the
* search engine.
*
* @param description
* Optional: a description of the search engine.
*
* @param method
* The HTTP request method used when submitting a search query.
* Must be a case insensitive value of either "get" or "post".
*
* @param url
* The URL to which search queries should be sent.
* Must not be null.
*
* @param extensionID [optional]
* Optional: The correct extensionID if called by an add-on.
*/
void addEngineWithDetails(in AString name,
in AString iconURL,
in AString alias,
in AString description,
in AString method,
in AString url,
[optional] in AString extensionID);
/**
* Un-hides all engines installed in the directory corresponding to
* the directory service's NS_APP_SEARCH_DIR key. (i.e. the set of
* engines returned by getDefaultEngines)
*/
void restoreDefaultEngines();
/**
* Returns an engine with the specified alias.
*
* @param alias
* The search engine's alias.
* @returns The corresponding nsISearchEngine object, or null if it doesn't
* exist.
*/
nsISearchEngine getEngineByAlias(in AString alias);
/**
* Returns an engine with the specified name.
*
* @param aEngineName
* The name of the engine.
* @returns The corresponding nsISearchEngine object, or null if it doesn't
* exist.
*/
nsISearchEngine getEngineByName(in AString aEngineName);
/**
* Returns an array of all installed search engines.
*
* @returns an array of nsISearchEngine objects.
*/
void getEngines(
[optional] out unsigned long engineCount,
[retval, array, size_is(engineCount)] out nsISearchEngine engines);
/**
* Returns an array of all installed search engines whose hidden attribute is
* false.
*
* @returns an array of nsISearchEngine objects.
*/
void getVisibleEngines(
[optional] out unsigned long engineCount,
[retval, array, size_is(engineCount)] out nsISearchEngine engines);
/**
* Returns an array of all default search engines. This includes all loaded
* engines that aren't in the user's profile directory
* (NS_APP_USER_SEARCH_DIR).
*
* @returns an array of nsISearchEngine objects.
*/
void getDefaultEngines(
[optional] out unsigned long engineCount,
[retval, array, size_is(engineCount)] out nsISearchEngine engines);
/**
* Moves a visible search engine.
*
* @param engine
* The engine to move.
* @param newIndex
* The engine's new index in the set of visible engines.
*
* @throws NS_ERROR_FAILURE if newIndex is out of bounds, or if engine is
* hidden.
*/
void moveEngine(in nsISearchEngine engine, in long newIndex);
/**
* Removes the search engine. If the search engine is installed in a global
* location, this will just hide the engine. If the engine is in the user's
* profile directory, it will be removed from disk.
*
* @param engine
* The engine to remove.
*/
void removeEngine(in nsISearchEngine engine);
/**
* Alias for the currentEngine attribute, kept for add-on compatibility.
*/
attribute nsISearchEngine defaultEngine;
/**
* The currently active search engine.
* Unless the application doesn't ship any search plugin, this should never
* be null. If the currently active engine is removed, this attribute will
* fallback first to the original default engine if it's not hidden, then to
* the first visible engine, and as a last resort it will unhide the original
* default engine.
*/
attribute nsISearchEngine currentEngine;
/**
* Gets a representation of the default engine in an anonymized JSON
* string suitable for recording in the Telemetry environment.
*
* @return an object containing anonymized info about the default engine:
* name, loadPath, submissionURL (for default engines).
*/
jsval getDefaultEngineInfo();
/**
* Determines if the provided URL represents results from a search engine, and
* provides details about the match.
*
* The lookup mechanism checks whether the domain name and path of the
* provided HTTP or HTTPS URL matches one of the known values for the visible
* search engines. The match does not depend on which of the schemes is used.
* The expected URI parameter for the search terms must exist in the query
* string, but other parameters are ignored.
*
* @param url
* String containing the URL to parse, for example
* "https://www.google.com/search?q=terms".
*/
nsISearchParseSubmissionResult parseSubmissionURL(in AString url);
};
%{ C++
/**
* The observer topic to listen to for actions performed on installed
* search engines.
*/
#define SEARCH_ENGINE_TOPIC "browser-search-engine-modified"
/**
* Sent when an engine is removed from the data store.
*/
#define SEARCH_ENGINE_REMOVED "engine-removed"
/**
* Sent when an engine is changed. This includes when the engine's "hidden"
* property is changed.
*/
#define SEARCH_ENGINE_CHANGED "engine-changed"
/**
* Sent when an engine is added to the list of available engines.
*/
#define SEARCH_ENGINE_ADDED "engine-added"
/**
* Sent when a search engine being installed from a remote plugin description
* file is completely loaded. This is used internally by the search service as
* an indication of when the engine can be added to the internal store, and
* therefore should not be used to detect engine availability. It is always
* followed by an "added" notification.
*/
#define SEARCH_ENGINE_LOADED "engine-loaded"
/**
* Sent when the "current" engine is changed.
*/
#define SEARCH_ENGINE_CURRENT "engine-current";
/**
* Sent when the "default" engine is changed.
*/
#define SEARCH_ENGINE_DEFAULT "engine-default";
%}