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// Copyright (c) 2015 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.
Host.ResourceLoader = {};
Host.ResourceLoader._lastStreamId = 0;
/** @type {!Object.<number, !Common.OutputStream>} */
Host.ResourceLoader._boundStreams = {};
/**
* @param {!Common.OutputStream} stream
* @return {number}
*/
Host.ResourceLoader._bindOutputStream = function(stream) {
Host.ResourceLoader._boundStreams[++Host.ResourceLoader._lastStreamId] = stream;
return Host.ResourceLoader._lastStreamId;
};
/**
* @param {number} id
*/
Host.ResourceLoader._discardOutputStream = function(id) {
Host.ResourceLoader._boundStreams[id].close();
delete Host.ResourceLoader._boundStreams[id];
};
/**
* @param {number} id
* @param {string} chunk
*/
Host.ResourceLoader.streamWrite = function(id, chunk) {
Host.ResourceLoader._boundStreams[id].write(chunk);
};
/**
* @param {string} url
* @param {?Object.<string, string>} headers
* @param {function(number, !Object.<string, string>, string)} callback
*/
Host.ResourceLoader.load = function(url, headers, callback) {
var stream = new Common.StringOutputStream();
Host.ResourceLoader.loadAsStream(url, headers, stream, mycallback);
/**
* @param {number} statusCode
* @param {!Object.<string, string>} headers
*/
function mycallback(statusCode, headers) {
callback(statusCode, headers, stream.data());
}
};
/**
* @param {string} url
* @param {?Object.<string, string>} headers
* @param {!Common.OutputStream} stream
* @param {function(number, !Object.<string, string>)=} callback
*/
Host.ResourceLoader.loadAsStream = function(url, headers, stream, callback) {
var streamId = Host.ResourceLoader._bindOutputStream(stream);
var parsedURL = new Common.ParsedURL(url);
if (parsedURL.isDataURL()) {
loadXHR(url).then(dataURLDecodeSuccessful).catch(dataURLDecodeFailed);
return;
}
var rawHeaders = [];
if (headers) {
for (var key in headers)
rawHeaders.push(key + ': ' + headers[key]);
}
InspectorFrontendHost.loadNetworkResource(url, rawHeaders.join('\r\n'), streamId, finishedCallback);
/**
* @param {!InspectorFrontendHostAPI.LoadNetworkResourceResult} response
*/
function finishedCallback(response) {
if (callback)
callback(response.statusCode, response.headers || {});
Host.ResourceLoader._discardOutputStream(streamId);
}
/**
* @param {string} text
*/
function dataURLDecodeSuccessful(text) {
Host.ResourceLoader.streamWrite(streamId, text);
finishedCallback(/** @type {!InspectorFrontendHostAPI.LoadNetworkResourceResult} */ ({statusCode: 200}));
}
function dataURLDecodeFailed() {
finishedCallback(/** @type {!InspectorFrontendHostAPI.LoadNetworkResourceResult} */ ({statusCode: 404}));
}
};
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