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Code Issues Releases Wiki Activity

Implement Tomahawk.ajax native implementation on behalf of NativeScriptJobs

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This commit is contained in:
Dominik Schmidt
2015-11-19 05:39:07 +01:00
parent 3db8e91b51
commit 17d71b413f
6 changed files with 108 additions and 77 deletions
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106
data/js/tomahawk.js
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@@ -430,6 +430,23 @@ Tomahawk.nativeAsyncRequestDone = function (reqId, xhr) {
delete Tomahawk.asyncRequestCallbacks[reqId];
};
/**
* This method is externalized from Tomahawk.asyncRequest, so that other clients
* (like tomahawk-android) can inject their own logic that determines whether or not to do a request
* natively.
*
* @returns boolean indicating whether or not to do a request with the given parameters natively
*/
var shouldDoNativeRequest = function (options) {
var extraHeaders = options.headers;
return (extraHeaders && (extraHeaders.hasOwnProperty("Referer")
|| extraHeaders.hasOwnProperty("referer")
|| extraHeaders.hasOwnProperty("User-Agent")));
};
/**
* Possible options:
* - method: The HTTP request method (default: GET)
@@ -439,59 +456,45 @@ Tomahawk.nativeAsyncRequestDone = function (reqId, xhr) {
* - data: body data included in POST requests
* - needCookieHeader: boolean indicating whether or not the request needs to be able to get the
* "Set-Cookie" response header
* - headers: headers set on the request
*/
Tomahawk.asyncRequest = function (url, callback, extraHeaders, options) {
// unpack options
var opt = options || {};
var method = opt.method || 'GET';
var doRequest = function(options) {
if (shouldDoNativeRequest(options)) {
return Tomahawk.NativeScriptJobManager.invoke('httpRequest', options).then(function(xhr) {
xhr.responseHeaders = xhr.responseHeaders || {};
xhr.getAllResponseHeaders = function() {
return this.responseHeaders;
};
xhr.getResponseHeader = function (header) {
return this.responseHeaders[header];
};
if (shouldDoNativeRequest(url, callback, extraHeaders, options)) {
// Assign a request Id to the callback so we can use it when we are
// returning from the native call.
var reqId = Tomahawk.asyncRequestIdCounter;
Tomahawk.asyncRequestIdCounter++;
Tomahawk.asyncRequestCallbacks[reqId] = {
callback: callback,
errorHandler: opt.errorHandler
};
Tomahawk.nativeAsyncRequest(reqId, url, extraHeaders, options);
return xhr;
});
} else {
var xmlHttpRequest = new XMLHttpRequest();
xmlHttpRequest.open(method, url, true, opt.username, opt.password);
if (extraHeaders) {
for (var headerName in extraHeaders) {
xmlHttpRequest.setRequestHeader(headerName, extraHeaders[headerName]);
}
}
xmlHttpRequest.onreadystatechange = function () {
if (xmlHttpRequest.readyState == 4
&& httpSuccessStatuses.indexOf(xmlHttpRequest.status) != -1) {
callback.call(window, xmlHttpRequest);
} else if (xmlHttpRequest.readyState === 4) {
Tomahawk.log("Failed to do " + method + " request: to: " + url);
Tomahawk.log("Status Code was: " + xmlHttpRequest.status);
if (opt.hasOwnProperty('errorHandler')) {
opt.errorHandler.call(window, xmlHttpRequest);
return new RSVP.Promise(function(resolve, reject) {
var xmlHttpRequest = new XMLHttpRequest();
xmlHttpRequest.open(options.method, options.url, true, options.username, options.password);
if (options.headers) {
for (var headerName in options.headers) {
xmlHttpRequest.setRequestHeader(headerName, options.headers[headerName]);
}
}
};
xmlHttpRequest.send(opt.data || null);
xmlHttpRequest.onreadystatechange = function () {
if (xmlHttpRequest.readyState == 4
&& httpSuccessStatuses.indexOf(xmlHttpRequest.status) != -1) {
resolve(xmlHttpRequest);
} else if (xmlHttpRequest.readyState === 4) {
Tomahawk.log("Failed to do " + options.method + " request: to: " + options.url);
Tomahawk.log("Status Code was: " + xmlHttpRequest.status);
reject(xmlHttpRequest);
}
};
xmlHttpRequest.send(options.data || null);
});
}
};
/**
* This method is externalized from Tomahawk.asyncRequest, so that other clients
* (like tomahawk-android) can inject their own logic that determines whether or not to do a request
* natively.
*
* @returns boolean indicating whether or not to do a request with the given parameters natively
*/
var shouldDoNativeRequest = function (url, callback, extraHeaders, options) {
return (extraHeaders && (extraHeaders.hasOwnProperty("Referer")
|| extraHeaders.hasOwnProperty("referer")
|| extraHeaders.hasOwnProperty("User-Agent")));
};
Tomahawk.ajax = function (url, settings) {
if (typeof url === "object") {
settings = url;
@@ -549,10 +552,7 @@ Tomahawk.ajax = function (url, settings) {
}
}
return new RSVP.Promise(function (resolve, reject) {
settings.errorHandler = reject;
Tomahawk.asyncRequest(settings.url, resolve, settings.headers, settings);
}).then(function (xhr) {
return doRequest(settings).then(function (xhr) {
if (settings.rawResponse) {
return xhr;
}
@@ -876,12 +876,17 @@ Tomahawk.PluginManager = {
}
};
var encodeParamsToNativeFunctions = function(param) {
return param;
};
Tomahawk.NativeScriptJobManager = {
idCounter: 0,
deferreds: {},
invoke: function (methodName, params) {
var requestId = this.idCounter++;
Tomahawk.invokeNativeScriptJob(requestId, methodName, JSON.stringify(params));
Tomahawk.invokeNativeScriptJob(requestId, methodName, encodeParamsToNativeFunctions(params));
this.deferreds[requestId] = RSVP.defer();
return this.deferreds[requestId].promise;
},
@@ -891,6 +896,7 @@ Tomahawk.NativeScriptJobManager = {
Tomahawk.log("Deferred object with the given requestId is not present!");
}
deferred.resolve(result);
delete this.deferreds[requestId];
}
};