gecko-dev/dom/contacts/ContactManager.js

496 строки
16 KiB
JavaScript

/* 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/. */
"use strict";
const DEBUG = false;
function debug(s) { dump("-*- ContactManager: " + s + "\n"); }
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/DOMRequestHelper.jsm");
XPCOMUtils.defineLazyServiceGetter(Services, "DOMRequest",
"@mozilla.org/dom/dom-request-service;1",
"nsIDOMRequestService");
XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
"@mozilla.org/childprocessmessagemanager;1",
"nsIMessageSender");
const CONTACTS_SENDMORE_MINIMUM = 5;
// We need this to create a copy of the mozContact object in ContactManager.save
// Keep in sync with the interfaces.
const PROPERTIES = [
"name", "honorificPrefix", "givenName", "additionalName", "familyName",
"phoneticGivenName", "phoneticFamilyName",
"honorificSuffix", "nickname", "photo", "category", "org", "jobTitle",
"bday", "note", "anniversary", "sex", "genderIdentity", "key", "adr", "email",
"url", "impp", "tel"
];
let mozContactInitWarned = false;
function Contact() { }
Contact.prototype = {
__init: function(aProp) {
for (let prop in aProp) {
this[prop] = aProp[prop];
}
},
init: function(aProp) {
// init is deprecated, warn once in the console if it's used
if (!mozContactInitWarned) {
mozContactInitWarned = true;
Cu.reportError("mozContact.init is DEPRECATED. Use the mozContact constructor instead. " +
"See https://developer.mozilla.org/docs/WebAPI/Contacts for details.");
}
for (let prop of PROPERTIES) {
this[prop] = aProp[prop];
}
},
setMetadata: function(aId, aPublished, aUpdated) {
this.id = aId;
if (aPublished) {
this.published = aPublished;
}
if (aUpdated) {
this.updated = aUpdated;
}
},
classID: Components.ID("{72a5ee28-81d8-4af8-90b3-ae935396cc66}"),
contractID: "@mozilla.org/contact;1",
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports]),
};
function ContactManager() { }
ContactManager.prototype = {
__proto__: DOMRequestIpcHelper.prototype,
hasListenPermission: false,
_cachedContacts: [] ,
set oncontactchange(aHandler) {
this.__DOM_IMPL__.setEventHandler("oncontactchange", aHandler);
},
get oncontactchange() {
return this.__DOM_IMPL__.getEventHandler("oncontactchange");
},
_convertContact: function(aContact) {
let newContact = new this._window.mozContact(aContact.properties);
newContact.setMetadata(aContact.id, aContact.published, aContact.updated);
return newContact;
},
_convertContacts: function(aContacts) {
let contacts = new this._window.Array();
for (let i in aContacts) {
contacts.push(this._convertContact(aContacts[i]));
}
return contacts;
},
_fireSuccessOrDone: function(aCursor, aResult) {
if (aResult == null) {
Services.DOMRequest.fireDone(aCursor);
} else {
Services.DOMRequest.fireSuccess(aCursor, aResult);
}
},
_pushArray: function(aArr1, aArr2) {
aArr1.push.apply(aArr1, aArr2);
},
receiveMessage: function(aMessage) {
if (DEBUG) debug("receiveMessage: " + aMessage.name);
let msg = aMessage.json;
let contacts = msg.contacts;
let req;
switch (aMessage.name) {
case "Contacts:Find:Return:OK":
req = this.getRequest(msg.requestID);
if (req) {
let result = this._convertContacts(contacts);
Services.DOMRequest.fireSuccess(req.request, result);
} else {
if (DEBUG) debug("no request stored!" + msg.requestID);
}
break;
case "Contacts:GetAll:Next":
let data = this.getRequest(msg.cursorId);
if (!data) {
break;
}
let result = contacts ? this._convertContacts(contacts) : [null];
if (data.waitingForNext) {
if (DEBUG) debug("cursor waiting for contact, sending");
data.waitingForNext = false;
let contact = result.shift();
this._pushArray(data.cachedContacts, result);
this.nextTick(this._fireSuccessOrDone.bind(this, data.cursor, contact));
if (!contact) {
this.removeRequest(msg.cursorId);
}
} else {
if (DEBUG) debug("cursor not waiting, saving");
this._pushArray(data.cachedContacts, result);
}
break;
case "Contact:Save:Return:OK":
// If a cached contact was saved and a new contact ID was returned, update the contact's ID
if (this._cachedContacts[msg.requestID]) {
if (msg.contactID) {
this._cachedContacts[msg.requestID].id = msg.contactID;
}
delete this._cachedContacts[msg.requestID];
}
case "Contacts:Clear:Return:OK":
case "Contact:Remove:Return:OK":
req = this.getRequest(msg.requestID);
if (req)
Services.DOMRequest.fireSuccess(req.request, null);
break;
case "Contacts:Find:Return:KO":
case "Contact:Save:Return:KO":
case "Contact:Remove:Return:KO":
case "Contacts:Clear:Return:KO":
case "Contacts:GetRevision:Return:KO":
case "Contacts:Count:Return:KO":
req = this.getRequest(msg.requestID);
if (req) {
if (req.request) {
req = req.request;
}
Services.DOMRequest.fireError(req, msg.errorMsg);
}
break;
case "Contacts:GetAll:Return:KO":
req = this.getRequest(msg.requestID);
if (req) {
Services.DOMRequest.fireError(req.cursor, msg.errorMsg);
}
break;
case "Contact:Changed":
// Fire oncontactchange event
if (DEBUG) debug("Contacts:ContactChanged: " + msg.contactID + ", " + msg.reason);
let event = new this._window.MozContactChangeEvent("contactchange", {
contactID: msg.contactID,
reason: msg.reason
});
this.dispatchEvent(event);
break;
case "Contacts:Revision":
if (DEBUG) debug("new revision: " + msg.revision);
req = this.getRequest(msg.requestID);
if (req) {
Services.DOMRequest.fireSuccess(req.request, msg.revision);
}
break;
case "Contacts:Count":
if (DEBUG) debug("count: " + msg.count);
req = this.getRequest(msg.requestID);
if (req) {
Services.DOMRequest.fireSuccess(req.request, msg.count);
}
break;
default:
if (DEBUG) debug("Wrong message: " + aMessage.name);
}
this.removeRequest(msg.requestID);
},
dispatchEvent: function(event) {
if (this.hasListenPermission) {
this.__DOM_IMPL__.dispatchEvent(event);
}
},
askPermission: function (aAccess, aRequest, aAllowCallback, aCancelCallback) {
if (DEBUG) debug("askPermission for contacts");
let access;
switch(aAccess) {
case "create":
access = "create";
break;
case "update":
case "remove":
access = "write";
break;
case "find":
case "listen":
case "revision":
case "count":
access = "read";
break;
default:
access = "unknown";
}
// Shortcut for ALLOW_ACTION so we avoid a parent roundtrip
let principal = this._window.document.nodePrincipal;
let type = "contacts-" + access;
let permValue =
Services.perms.testExactPermissionFromPrincipal(principal, type);
if (permValue == Ci.nsIPermissionManager.ALLOW_ACTION) {
if (aAllowCallback) {
aAllowCallback();
}
return;
} else if (permValue == Ci.nsIPermissionManager.DENY_ACTION ||
permValue == Ci.nsIPermissionManager.UNKNOWN_ACTION) {
if (aCancelCallback) {
aCancelCallback();
}
return;
}
// Create an array with a single nsIContentPermissionType element.
let type = {
type: "contacts",
access: access,
options: [],
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPermissionType])
};
let typeArray = Cc["@mozilla.org/array;1"].createInstance(Ci.nsIMutableArray);
typeArray.appendElement(type, false);
// create a nsIContentPermissionRequest
let request = {
types: typeArray,
principal: principal,
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPermissionRequest]),
allow: aAllowCallback ||
function() {
if (DEBUG)
debug("Default allow contacts callback. " + access +"\n");
},
cancel: aCancelCallback ||
function() {
if (DEBUG)
debug("Default cancel contacts callback. " + access +"\n");
},
window: this._window
};
// Using askPermission from nsIDOMWindowUtils that takes care of the
// remoting if needed.
let windowUtils = this._window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils);
windowUtils.askPermission(request);
},
save: function save(aContact) {
// We have to do a deep copy of the contact manually here because
// nsFrameMessageManager doesn't know how to create a structured clone of a
// mozContact object.
let newContact = {properties: {}};
try {
for (let field of PROPERTIES) {
// This hack makes sure modifications to the sequence attributes get validated.
aContact[field] = aContact[field];
newContact.properties[field] = aContact[field];
}
} catch (e) {
// And then make sure we throw a proper error message (no internal file and line #)
throw new this._window.DOMError(e.name, e.message);
}
let request = this.createRequest();
let requestID = this.getRequestId({request: request});
let reason;
if (aContact.id == "undefined") {
// for example {25c00f01-90e5-c545-b4d4-21E2ddbab9e0} becomes
// 25c00f0190e5c545b4d421E2ddbab9e0
aContact.id = this._getRandomId().replace(/[{}-]/g, "");
// Cache the contact so that its ID may be updated later if necessary
this._cachedContacts[requestID] = aContact;
reason = "create";
} else {
reason = "update";
}
newContact.id = aContact.id;
newContact.published = aContact.published;
newContact.updated = aContact.updated;
if (DEBUG) debug("send: " + JSON.stringify(newContact));
let options = { contact: newContact, reason: reason };
let allowCallback = function() {
cpmm.sendAsyncMessage("Contact:Save", {requestID: requestID, options: options});
}.bind(this)
this.askPermission(reason, request, allowCallback);
return request;
},
find: function(aOptions) {
if (DEBUG) debug("find! " + JSON.stringify(aOptions));
let request = this.createRequest();
let options = { findOptions: aOptions };
let allowCallback = function() {
cpmm.sendAsyncMessage("Contacts:Find", {requestID: this.getRequestId({request: request, reason: "find"}), options: options});
}.bind(this)
this.askPermission("find", request, allowCallback);
return request;
},
createCursor: function CM_createCursor(aRequest) {
let data = {
cursor: Services.DOMRequest.createCursor(this._window, function() {
this.handleContinue(id);
}.bind(this)),
cachedContacts: [],
waitingForNext: true,
};
let id = this.getRequestId(data);
if (DEBUG) debug("saved cursor id: " + id);
return [id, data.cursor];
},
getAll: function CM_getAll(aOptions) {
if (DEBUG) debug("getAll: " + JSON.stringify(aOptions));
let [cursorId, cursor] = this.createCursor();
let allowCallback = function() {
cpmm.sendAsyncMessage("Contacts:GetAll", {
cursorId: cursorId, findOptions: aOptions});
}.bind(this);
this.askPermission("find", cursor, allowCallback);
return cursor;
},
nextTick: function nextTick(aCallback) {
Services.tm.currentThread.dispatch(aCallback, Ci.nsIThread.DISPATCH_NORMAL);
},
handleContinue: function CM_handleContinue(aCursorId) {
if (DEBUG) debug("handleContinue: " + aCursorId);
let data = this.getRequest(aCursorId);
if (data.cachedContacts.length > 0) {
if (DEBUG) debug("contact in cache");
let contact = data.cachedContacts.shift();
this.nextTick(this._fireSuccessOrDone.bind(this, data.cursor, contact));
if (!contact) {
this.removeRequest(aCursorId);
} else if (data.cachedContacts.length === CONTACTS_SENDMORE_MINIMUM) {
cpmm.sendAsyncMessage("Contacts:GetAll:SendNow", { cursorId: aCursorId });
}
} else {
if (DEBUG) debug("waiting for contact");
data.waitingForNext = true;
}
},
remove: function removeContact(aRecordOrId) {
let request = this.createRequest();
let id;
if (typeof aRecordOrId === "string") {
id = aRecordOrId;
} else if (!aRecordOrId || !aRecordOrId.id) {
Services.DOMRequest.fireErrorAsync(request, true);
return request;
} else {
id = aRecordOrId.id;
}
let options = { id: id };
let allowCallback = function() {
cpmm.sendAsyncMessage("Contact:Remove", {requestID: this.getRequestId({request: request, reason: "remove"}), options: options});
}.bind(this);
this.askPermission("remove", request, allowCallback);
return request;
},
clear: function() {
if (DEBUG) debug("clear");
let request = this.createRequest();
let options = {};
let allowCallback = function() {
cpmm.sendAsyncMessage("Contacts:Clear", {requestID: this.getRequestId({request: request, reason: "remove"}), options: options});
}.bind(this);
this.askPermission("remove", request, allowCallback);
return request;
},
getRevision: function() {
let request = this.createRequest();
let allowCallback = function() {
cpmm.sendAsyncMessage("Contacts:GetRevision", {
requestID: this.getRequestId({ request: request })
});
}.bind(this);
let cancelCallback = function() {
Services.DOMRequest.fireError(request, "");
};
this.askPermission("revision", request, allowCallback, cancelCallback);
return request;
},
getCount: function() {
let request = this.createRequest();
let allowCallback = function() {
cpmm.sendAsyncMessage("Contacts:GetCount", {
requestID: this.getRequestId({ request: request })
});
}.bind(this);
let cancelCallback = function() {
Services.DOMRequest.fireError(request, "");
};
this.askPermission("count", request, allowCallback, cancelCallback);
return request;
},
init: function(aWindow) {
// DOMRequestIpcHelper.initHelper sets this._window
this.initDOMRequestHelper(aWindow, ["Contacts:Find:Return:OK", "Contacts:Find:Return:KO",
"Contacts:Clear:Return:OK", "Contacts:Clear:Return:KO",
"Contact:Save:Return:OK", "Contact:Save:Return:KO",
"Contact:Remove:Return:OK", "Contact:Remove:Return:KO",
"Contact:Changed",
"Contacts:GetAll:Next", "Contacts:GetAll:Return:KO",
"Contacts:Count",
"Contacts:Revision", "Contacts:GetRevision:Return:KO",]);
let allowCallback = function() {
cpmm.sendAsyncMessage("Contacts:RegisterForMessages");
this.hasListenPermission = true;
}.bind(this);
this.askPermission("listen", null, allowCallback);
},
classID: Components.ID("{8beb3a66-d70a-4111-b216-b8e995ad3aff}"),
contractID: "@mozilla.org/contactManager;1",
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupportsWeakReference,
Ci.nsIObserver,
Ci.nsIDOMGlobalPropertyInitializer]),
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([
Contact, ContactManager
]);