pluotsorbet/midp/localmsg.js

853 строки
31 KiB
JavaScript

/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set shiftwidth=4 tabstop=4 autoindent cindent expandtab: */
'use strict';
var LocalMsgConnection = function() {
this.waitingForConnection = null;
this.serverWaiting = [];
this.clientWaiting = [];
this.serverMessages = [];
this.clientMessages = [];
}
LocalMsgConnection.prototype.notifyConnection = function() {
if (this.waitingForConnection) {
this.waitingForConnection();
}
}
LocalMsgConnection.prototype.waitConnection = function() {
return new Promise((function(resolve, reject) {
this.waitingForConnection = function() {
this.waitingForConnection = null;
resolve();
}
}).bind(this));
}
LocalMsgConnection.prototype.copyMessage = function(messageQueue, data) {
var msg = messageQueue.shift();
for (var i = 0; i < msg.length; i++) {
data[i] = msg.data[i + msg.offset];
}
return msg.length;
}
LocalMsgConnection.prototype.sendMessageToClient = function(message) {
this.clientMessages.push(message);
if (this.clientWaiting.length > 0) {
this.clientWaiting.shift()();
}
}
LocalMsgConnection.prototype.clientReceiveMessage = function(data) {
return new Promise((function(resolve, reject) {
if (this.clientMessages.length == 0) {
this.clientWaiting.push(function() {
resolve(this.copyMessage(this.clientMessages, data));
}.bind(this));
return;
}
resolve(this.copyMessage(this.clientMessages, data));
}).bind(this));
}
LocalMsgConnection.prototype.sendMessageToServer = function(message) {
this.serverMessages.push(message);
if (this.serverWaiting.length > 0) {
this.serverWaiting.shift()();
}
}
LocalMsgConnection.prototype.serverReceiveMessage = function(data) {
return new Promise((function(resolve, reject) {
if (this.serverMessages.length == 0) {
this.serverWaiting.push(function() {
resolve(this.copyMessage(this.serverMessages, data));
}.bind(this));
return;
}
resolve(this.copyMessage(this.serverMessages, data));
}).bind(this));
}
var NokiaMessagingLocalMsgConnection = function() {
LocalMsgConnection.call(this);
window.addEventListener("nokia.messaging", function(e) {
this.receiveSMS(e.detail);
}.bind(this));
}
NokiaMessagingLocalMsgConnection.prototype = Object.create(LocalMsgConnection.prototype);
NokiaMessagingLocalMsgConnection.prototype.receiveSMS = function(sms) {
var encoder = new DataEncoder();
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "MessageNotify");
encoder.put(DataType.USHORT, "trans_id", Date.now() % 255); // The meaning of this field is unknown
encoder.put(DataType.STRING, "type", "SMS"); // The name of this field is unknown
encoder.put(DataType.ULONG, "message_id", sms.id);
encoder.putEnd(DataType.STRUCT, "event");
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
}
NokiaMessagingLocalMsgConnection.prototype.sendMessageToServer = function(message) {
var encoder = new DataEncoder();
var decoder = new DataDecoder(message.data, message.offset, message.length);
decoder.getStart(DataType.STRUCT);
var name = decoder.getValue(DataType.METHOD);
switch (name) {
case "Common":
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "Common");
encoder.putStart(DataType.STRUCT, "message");
encoder.put(DataType.METHOD, "name", "ProtocolVersion");
encoder.put(DataType.STRING, "version", "2.[0-10]");
encoder.putEnd(DataType.STRUCT, "message");
encoder.putEnd(DataType.STRUCT, "event");
break;
case "SubscribeMessages":
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "SubscribeMessages");
encoder.put(DataType.USHORT, "trans_id", decoder.getValue(DataType.USHORT)); // The meaning of this field is unknown
encoder.put(DataType.STRING, "result", "OK"); // The name of this field is unknown
encoder.putEnd(DataType.STRUCT, "event");
break;
case "GetMessageEntity":
var trans_id = decoder.getValue(DataType.USHORT);
var sms_id = decoder.getValue(DataType.ULONG);
var sms;
for (var i = 0; i < MIDP.nokiaSMSMessages.length; i++) {
if (MIDP.nokiaSMSMessages[i].id == sms_id) {
sms = MIDP.nokiaSMSMessages[i];
break;
}
}
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "GetMessageEntity");
encoder.put(DataType.USHORT, "trans_id", trans_id); // The meaning of this field is unknown
encoder.put(DataType.STRING, "result", "OK"); // The name of this field is unknown
encoder.put(DataType.ULONG, "message_id", sms_id);
encoder.putStart(DataType.LIST, "list_name_unknown"); // The name of this field is unknown
encoder.put(DataType.WSTRING, "body_text", sms.text);
encoder.put(DataType.STRING, "address", sms.addr);
encoder.putEnd(DataType.LIST);
encoder.putEnd(DataType.STRUCT, "event");
break;
case "DeleteMessages":
decoder.getValue(DataType.USHORT);
decoder.getStart(DataType.ARRAY);
var sms_id = decoder.getValue(DataType.ULONG);
for (var i = 0; i < MIDP.nokiaSMSMessages.length; i++) {
if (MIDP.nokiaSMSMessages[i].id == sms_id) {
MIDP.nokiaSMSMessages.splice(i, 1);
break;
}
}
return;
break;
default:
console.error("(nokia.messaging) event " + name + " not implemented " +
util.decodeUtf8(new Uint8Array(message.data.buffer, message.offset, message.length)));
return;
}
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
}
var NokiaSASrvRegLocalMsgConnection = function() {
LocalMsgConnection.call(this);
};
NokiaSASrvRegLocalMsgConnection.prototype = Object.create(LocalMsgConnection.prototype);
NokiaSASrvRegLocalMsgConnection.prototype.sendMessageToServer = function(message) {
var decoder = new DataDecoder(message.data, message.offset, message.length);
decoder.getStart(DataType.STRUCT);
var name = decoder.getValue(DataType.METHOD);
var encoder = new DataEncoder();
switch (name) {
case "Common":
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "Common");
encoder.putStart(DataType.STRUCT, "message");
encoder.put(DataType.METHOD, "name", "ProtocolVersion");
encoder.put(DataType.STRING, "version", "2.0");
encoder.putEnd(DataType.STRUCT, "message");
encoder.putEnd(DataType.STRUCT, "event");
break;
case "Discovery":
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "Discovery");
encoder.put(DataType.BYTE, "unknown_byte_1", 1);
encoder.put(DataType.STRING, "unknown_string_1", "");
encoder.putStart(DataType.ARRAY, "services");
encoder.putStart(DataType.STRUCT, "service");
encoder.put(DataType.STRING, "ServiceName", "file_ui");
encoder.put(DataType.URI, "ServiceURI", "nokia.file-ui");
encoder.put(DataType.STRING, "unknown_string_2", "");
encoder.put(DataType.WSTRING, "unknown_string_3", "");
encoder.put(DataType.STRING, "unknown_string_4", "");
encoder.putEnd(DataType.STRUCT, "service");
encoder.putEnd(DataType.ARRAY, "services");
encoder.putEnd(DataType.STRUCT, "event");
break;
}
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
};
var NokiaPhoneStatusLocalMsgConnection = function() {
LocalMsgConnection.call(this);
};
NokiaPhoneStatusLocalMsgConnection.prototype = Object.create(LocalMsgConnection.prototype);
NokiaPhoneStatusLocalMsgConnection.prototype.sendMessageToServer = function(message) {
var decoder = new DataDecoder(message.data, message.offset, message.length);
decoder.getStart(DataType.STRUCT);
var name = decoder.getValue(DataType.METHOD);
var encoder = new DataEncoder();
switch (name) {
case "Common":
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "Common");
encoder.putStart(DataType.STRUCT, "message");
encoder.put(DataType.METHOD, "name", "ProtocolVersion");
encoder.put(DataType.STRING, "version", "2.[0-10]");
encoder.putEnd(DataType.STRUCT, "message");
encoder.putEnd(DataType.STRUCT, "event");
break;
case "Query":
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "Query");
encoder.put(DataType.STRING, "status", "OK");
encoder.putStart(DataType.LIST, "subscriptions");
// subscriptions
decoder.getStart(DataType.LIST);
while (decoder.getTag() == DataType.STRING) {
switch (decoder.getName()) {
case "network_status":
encoder.putStart(DataType.STRUCT, "network_status");
encoder.put(DataType.STRING, "", ""); // unknow name
encoder.put(DataType.BOOLEAN, "", 1); // unknow name
encoder.putEnd(DataType.STRUCT, "network_status");
break;
case "wifi_status":
encoder.putStart(DataType.STRUCT, "wifi_status");
encoder.put(DataType.BOOLEAN, "", 1); // unknow name, but it should indicate if the wifi is connected, and let's assume it's always connected.
encoder.putEnd(DataType.STRUCT, "wifi_status");
break;
case "battery":
encoder.putStart(DataType.STRUCT, "battery");
encoder.put(DataType.BYTE, "", 1); // unknow name
encoder.put(DataType.BOOLEAN, "", 1); // unknow name
encoder.putEnd(DataType.STRUCT, "battery");
break;
default:
console.error("(nokia.phone-status) Query " + decoder.getName() + " not implemented " +
util.decodeUtf8(new Uint8Array(message.data.buffer, message.offset, message.length)));
break;
}
decoder.getValue(DataType.STRING);
}
encoder.putEnd(DataType.LIST, "subscriptions");
encoder.putEnd(DataType.STRUCT, "event");
break;
default:
console.error("(nokia.phone-status) event " + name + " not implemented " +
util.decodeUtf8(new Uint8Array(message.data.buffer, message.offset, message.length)));
return;
}
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
};
var NokiaContactsLocalMsgConnection = function() {
LocalMsgConnection.call(this);
}
NokiaContactsLocalMsgConnection.prototype = Object.create(LocalMsgConnection.prototype);
NokiaContactsLocalMsgConnection.prototype.encodeContact = function(encoder, contact) {
encoder.putStart(DataType.LIST, "Contact");
encoder.put(DataType.WSTRING, "ContactID", contact.id.toString().substr(0,30));
encoder.put(DataType.WSTRING, "DisplayName", contact.name[0]);
encoder.putStart(DataType.ARRAY, "Numbers");
contact.tel.forEach(function(tel) {
encoder.putStart(DataType.LIST, "NumbersList"); // The name of this field is unknown
// encoder.put(DataType.ULONG, "Kind", ???); // The meaning of this field is unknown
encoder.put(DataType.WSTRING, "Number", tel.value);
encoder.putEnd(DataType.LIST, "NumbersList");
});
encoder.putEnd(DataType.ARRAY, "Numbers");
encoder.putEnd(DataType.LIST, "Contact");
}
NokiaContactsLocalMsgConnection.prototype.sendContact = function(trans_id, contact) {
if (!contact.tel) {
return;
}
var encoder = new DataEncoder();
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "Notify");
encoder.put(DataType.ULONG, "trans_id", trans_id); // The meaning of this field is unknown
encoder.put(DataType.BYTE, "type", 1); // The name of this field is unknown (the value may be 1, 2, 3 according to the event (I'd guess CREATE, DELETE, UPDATE))
this.encodeContact(encoder, contact);
encoder.putEnd(DataType.STRUCT, "event");
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
};
NokiaContactsLocalMsgConnection.prototype.sendMessageToServer = function(message) {
var decoder = new DataDecoder(message.data, message.offset, message.length);
decoder.getStart(DataType.STRUCT);
var name = decoder.getValue(DataType.METHOD);
switch (name) {
case "Common":
var encoder = new DataEncoder();
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "Common");
encoder.putStart(DataType.STRUCT, "message");
encoder.put(DataType.METHOD, "name", "ProtocolVersion");
encoder.put(DataType.STRING, "version", "2.[0-10]");
encoder.putEnd(DataType.STRUCT, "message");
encoder.putEnd(DataType.STRUCT, "event");
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
break;
case "NotifySubscribe":
contacts.forEach(this.sendContact.bind(this, decoder.getValue(DataType.ULONG)));
break;
case "getFirst":
var trans_id = decoder.getValue(DataType.ULONG);
decoder.getEnd(DataType.ARRAY); // Ignore the contents of the "sources" array
var numEntries = decoder.getValue(DataType.ULONG);
if (numEntries !== 1) {
console.error("(nokia.contacts) event getFirst with numEntries != 1 not implemented " +
util.decodeUtf8(new Uint8Array(message.data.buffer, message.offset, message.length)));
}
var gotContact = (function(contact) {
if (contact && !contact.tel) {
contacts.getNext(gotContact);
return;
}
var encoder = new DataEncoder();
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "getFirst");
encoder.put(DataType.ULONG, "trans_id", trans_id);
if (contact) {
encoder.put(DataType.STRING, "result", "OK"); // Name unknown
encoder.putStart(DataType.ARRAY, "contacts"); // Name unknown
this.encodeContact(encoder, contact);
encoder.putEnd(DataType.ARRAY, "contacts"); // Name unknown
} else {
encoder.put(DataType.STRING, "result", "Entry not found"); // Name unknown
}
encoder.putEnd(DataType.STRUCT, "event");
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
}).bind(this);
contacts.getNext(gotContact);
break;
case "getNext":
var trans_id = decoder.getValue(DataType.ULONG);
decoder.getEnd(DataType.ARRAY); // Ignore the contents of the "sources" array
decoder.getEnd(DataType.LIST); // Ignore the contents of the "filter" list
decoder.getStart(DataType.LIST);
var contactID = decoder.getValue(DataType.WSTRING);
decoder.getEnd(DataType.LIST);
var includeStartEntry = decoder.getValue(DataType.BOOLEAN);
if (includeStartEntry == 1) {
console.error("(nokia.contacts) event getNext with includeStartEntry == true not implemented " +
util.decodeUtf8(new Uint8Array(message.data.buffer, message.offset, message.length)));
}
var numEntries = decoder.getValue(DataType.ULONG);
if (numEntries !== 1) {
console.error("(nokia.contacts) event getNext with numEntries != 1 not implemented " +
util.decodeUtf8(new Uint8Array(message.data.buffer, message.offset, message.length)));
}
contacts.getNext((function(contact) {
var encoder = new DataEncoder();
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "getNext");
encoder.put(DataType.ULONG, "trans_id", trans_id);
if (contact) {
encoder.put(DataType.STRING, "result", "OK"); // Name unknown
encoder.putStart(DataType.ARRAY, "contacts"); // Name unknown
this.encodeContact(encoder, contact);
encoder.putEnd(DataType.ARRAY, "contacts"); // Name unknown
} else {
encoder.put(DataType.STRING, "result", "Entry not found"); // Name unknown
}
encoder.putEnd(DataType.STRUCT, "event");
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
}).bind(this));
break;
default:
console.error("(nokia.contacts) event " + name + " not implemented " +
util.decodeUtf8(new Uint8Array(message.data.buffer, message.offset, message.length)));
return;
}
}
var NokiaFileUILocalMsgConnection = function() {
LocalMsgConnection.call(this);
};
NokiaFileUILocalMsgConnection.prototype = Object.create(LocalMsgConnection.prototype);
NokiaFileUILocalMsgConnection.prototype.sendMessageToServer = function(message) {
var decoder = new DataDecoder(message.data, message.offset, message.length);
decoder.getStart(DataType.STRUCT);
var name = decoder.getValue(DataType.METHOD);
switch (name) {
case "Common":
var encoder = new DataEncoder();
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "Common");
encoder.putStart(DataType.STRUCT, "message");
encoder.put(DataType.METHOD, "name", "ProtocolVersion");
encoder.put(DataType.STRING, "version", "1.0");
encoder.putEnd(DataType.STRUCT, "message");
encoder.putEnd(DataType.STRUCT, "event");
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
break;
case "FileSelect":
var trans_id = decoder.getValue(DataType.USHORT);
var storageType = decoder.getValue(DataType.STRING);
var mediaType = decoder.getValue(DataType.STRING);
var multipleSelection = decoder.getValue(DataType.BOOLEAN);
var startingURL = decoder.getValue(DataType.STRING);
var accept = '';
switch (mediaType) {
case "Picture":
accept = "image/*";
break;
case "Video":
accept = "video/*";
break;
case "Music":
accept = "audio/*";
break;
default:
throw new Error("Media type '" + mediaType + "' not supported");
}
var el = document.getElementById('nokia-fileui-prompt').cloneNode(true);
el.style.display = 'block';
el.classList.add('visible');
var fileInput = el.querySelector('input');
fileInput.accept = accept;
var btnDone = el.querySelector('button.recommend');
btnDone.disabled = true;
var selectedFile = null;
fileInput.addEventListener('change', function() {
btnDone.disabled = false;
selectedFile = this.files[0];
});
el.querySelector('button.cancel').addEventListener('click', function() {
el.parentElement.removeChild(el);
});
btnDone.addEventListener('click', (function() {
el.parentElement.removeChild(el);
if (!selectedFile) {
return;
}
fs.createUniqueFile("/nokiafileui", selectedFile.name, selectedFile, (function(fileName) {
var encoder = new DataEncoder();
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "FileSelect");
encoder.put(DataType.USHORT, "trans_id", trans_id);
encoder.put(DataType.STRING, "result", "OK"); // Name unknown
encoder.putStart(DataType.ARRAY, "unknown_array"); // Name unknown
encoder.putStart(DataType.STRUCT, "unknown_struct"); // Name unknown
encoder.put(DataType.STRING, "unknown_string_1", ""); // Name and value unknown
encoder.put(DataType.WSTRING, "unknown_string_2", ""); // Name and value unknown
encoder.put(DataType.WSTRING, "unknown_string_3", "nokiafileui/" + fileName); // Name unknown
encoder.put(DataType.BOOLEAN, "unknown_boolean", 1); // Name and value unknown
encoder.put(DataType.ULONG, "unknown_long", 0); // Name and value unknown
encoder.putEnd(DataType.STRUCT, "unknown_struct"); // Name unknown
encoder.putEnd(DataType.ARRAY, "unknown_array"); // Name unknown
encoder.putEnd(DataType.STRUCT, "event");
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
}).bind(this));
}).bind(this));
document.body.appendChild(el);
break;
default:
console.error("(nokia.file-ui) event " + name + " not implemented " +
util.decodeUtf8(new Uint8Array(message.data.buffer, message.offset, message.length)));
return;
}
};
var NokiaImageProcessingLocalMsgConnection = function() {
LocalMsgConnection.call(this);
};
NokiaImageProcessingLocalMsgConnection.prototype = Object.create(LocalMsgConnection.prototype);
NokiaImageProcessingLocalMsgConnection.prototype.sendMessageToServer = function(message) {
var decoder = new DataDecoder(message.data, message.offset, message.length);
decoder.getStart(DataType.STRUCT);
var name = decoder.getValue(DataType.METHOD);
switch (name) {
case "Common":
var encoder = new DataEncoder();
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "Common");
encoder.putStart(DataType.STRUCT, "message");
encoder.put(DataType.METHOD, "name", "ProtocolVersion");
encoder.put(DataType.STRING, "version", "1.0");
encoder.putEnd(DataType.STRUCT, "message");
encoder.putEnd(DataType.STRUCT, "event");
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
break;
case "Scale":
var trans_id = decoder.getValue(DataType.BYTE);
var fileName = decoder.getValue(DataType.WSTRING);
var max_vres = 0;
var max_hres = 0;
var max_kb = 0;
decoder.getStart(DataType.LIST);
while (true) {
var paramName = decoder.getName();
var value = decoder.getValue(DataType.USHORT);
if (paramName === "limits")
break;
switch (paramName) {
case "max_kb":
max_kb = value;
break;
case "max_vres":
max_vres = value;
break;
case "max_hres":
max_hres = value;
break;
default:
console.error("(nokia.image-processing) event " + name + " with " +
paramName + " = " + value + " not implemented.");
return;
}
}
decoder.getEnd(DataType.LIST);
var aspect = decoder.getValue(DataType.STRING);
var quality = decoder.getValue(DataType.BYTE) || 80;
if (aspect != "FullImage" && aspect != "LockToPartialView") {
console.error("(nokia.image-processing) event " + name + " with aspect != 'FullImage' or 'LockToPartialView' not implemented " +
util.decodeUtf8(new Uint8Array(message.data.buffer, message.offset, message.length)));
return;
}
fs.open("/" + fileName, (function(fd) {
var _sendBackScaledImage = function(blob) {
fs.createUniqueFile("/nokiaimageprocessing", "image", blob, (function(fileName) {
var encoder = new DataEncoder();
encoder.putStart(DataType.STRUCT, "event");
encoder.put(DataType.METHOD, "name", "Scale");
encoder.put(DataType.BYTE, "trans_id", trans_id);
encoder.put(DataType.STRING, "result", "Complete"); // Name unknown
encoder.put(DataType.WSTRING, "filename", "nokiaimageprocessing/" + fileName); // Name unknown
encoder.putEnd(DataType.STRUCT, "event");
var data = new TextEncoder().encode(encoder.getData());
this.sendMessageToClient({
data: data,
length: data.length,
offset: 0,
});
}).bind(this));
}.bind(this);
var imgData = fs.read(fd);
var fileSize = fs.getsize(fd);
fs.close(fd);
var img = new Image();
img.src = URL.createObjectURL(new Blob([ imgData ]));
img.onload = (function() {
// If the image size is less than the given max_kb, and height/width
// are less than max_hres/max_wres, send the original image immediately
// without any scaling.
if (max_kb > 0 && (max_kb * 1024) >= fileSize &&
(max_hres <= 0 || img.naturalHeight <= max_vres) &&
(max_vres <= 0 || img.naturalWidth <= max_hres)) {
_sendBackScaledImage(new Blob([ imgData ]));
return;
}
function _imageToBlob(aCanvas, aImage, aHeight, aWidth, aQuality) {
aCanvas.width = aWidth;
aCanvas.height = aHeight;
var ctx = aCanvas.getContext("2d");
ctx.drawImage(aImage, 0, 0, aWidth, aHeight);
return new Promise(function(resolve, reject) {
aCanvas.toBlob(resolve, "image/jpeg", aQuality / 100);
});
}
var canvas = document.createElement("canvas");
if (max_kb <= 0) {
_imageToBlob(canvas, img, Math.min(img.naturalHeight, max_vres),
Math.min(img.naturalWidth, max_hres), quality).then(_sendBackScaledImage);
return;
}
_imageToBlob(canvas, img, img.naturalHeight,
img.naturalWidth, quality).then(function(blob) {
var imgSizeInKb = blob.size / 1024;
// Roughly recalc max_vres and max_hres based on the max_kb and the real resolution.
var ratio = Math.sqrt(max_kb / imgSizeInKb);
max_hres = Math.min(img.naturalWidth * ratio,
max_hres <= 0 ? img.naturalWidth : max_hres);
max_vres = Math.min(img.naturalHeight * ratio,
max_vres <=0 ? img.naturalHeight : max_vres);
return _imageToBlob(canvas, img, Math.min(img.naturalHeight, max_vres),
Math.min(img.naturalWidth, max_hres), quality);
}).then(_sendBackScaledImage);
}).bind(this);
img.onerror = function(e) {
console.error("Error in decoding image");
};
}).bind(this));
break;
default:
console.error("(nokia.image-processing) event " + name + " not implemented " +
util.decodeUtf8(new Uint8Array(message.data.buffer, message.offset, message.length)));
return;
}
};
MIDP.LocalMsgConnections = {};
// Add some fake servers because some MIDlets assume they exist.
// MIDlets are usually happy even if the servers don't reply, but we should
// remember to implement them in case they will be needed.
MIDP.FakeLocalMsgServers = [ "nokia.active-standby", "nokia.profile",
"nokia.connectivity-settings" ];
MIDP.FakeLocalMsgServers.forEach(function(server) {
MIDP.LocalMsgConnections[server] = LocalMsgConnection;
});
MIDP.LocalMsgConnections["nokia.contacts"] = NokiaContactsLocalMsgConnection;
MIDP.LocalMsgConnections["nokia.messaging"] = NokiaMessagingLocalMsgConnection;
MIDP.LocalMsgConnections["nokia.phone-status"] = NokiaPhoneStatusLocalMsgConnection;
MIDP.LocalMsgConnections["nokia.file-ui"] = NokiaFileUILocalMsgConnection;
MIDP.LocalMsgConnections["nokia.image-processing"] = NokiaImageProcessingLocalMsgConnection;
MIDP.LocalMsgConnections["nokia.sa.service-registry"] = NokiaSASrvRegLocalMsgConnection;
Native.create("org/mozilla/io/LocalMsgConnection.init.(Ljava/lang/String;)V", function(jName) {
var name = util.fromJavaString(jName);
this.server = (name[2] == ":");
this.protocolName = name.slice((name[2] == ':') ? 3 : 2);
return new Promise((function(resolve, reject) {
if (this.server) {
// It seems that one server only serves on client at a time, let's
// store an object instead of the constructor.
this.connection = MIDP.LocalMsgConnections[this.protocolName] = new LocalMsgConnection();
MIDP.ConnectionRegistry.pushNotify("localmsg:" + this.protocolName);
} else {
// Actually, there should always be a server, but we need this check
// for apps that use the Nokia built-in servers (because we haven't
// implemented them yet).
if (!MIDP.LocalMsgConnections[this.protocolName]) {
console.warn("localmsg server (" + this.protocolName + ") unimplemented");
// Return without resolving the promise, we want the thread that is connecting
// to this unimplemented server to stop indefinitely.
return;
}
if (MIDP.FakeLocalMsgServers.indexOf(this.protocolName) != -1) {
console.warn("connect to an unimplemented localmsg server (" + this.protocolName + ")");
}
this.connection = typeof MIDP.LocalMsgConnections[this.protocolName] === 'function' ?
new MIDP.LocalMsgConnections[this.protocolName]() : MIDP.LocalMsgConnections[this.protocolName];
this.connection.notifyConnection();
}
resolve();
}).bind(this));
}, true);
Native.create("org/mozilla/io/LocalMsgConnection.waitConnection.()V", function() {
return this.connection.waitConnection();
});
Native.create("org/mozilla/io/LocalMsgConnection.sendData.([BII)V", function(data, offset, length) {
var message = {
data: data,
offset: offset,
length: length,
};
if (this.server) {
this.connection.sendMessageToClient(message);
} else {
if (MIDP.FakeLocalMsgServers.indexOf(this.protocolName) != -1) {
console.warn("sendData (" + util.decodeUtf8(new Uint8Array(data.buffer, offset, length)) + ") to an unimplemented localmsg server (" + this.protocolName + ")");
}
this.connection.sendMessageToServer(message);
}
});
Native.create("org/mozilla/io/LocalMsgConnection.receiveData.([B)I", function(data) {
if (this.server) {
return this.connection.serverReceiveMessage(data);
}
if (MIDP.FakeLocalMsgServers.indexOf(this.protocolName) != -1) {
console.warn("receiveData from an unimplemented localmsg server (" + this.protocolName + ")");
}
return this.connection.clientReceiveMessage(data);
}, true);
Native.create("org/mozilla/io/LocalMsgConnection.closeConnection.()V", function() {
if (this.server) {
delete MIDP.LocalMsgConnections[this.protocolName];
}
delete this.connection;
});