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Merge branch 'master' into jquery-fallback

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Conflicts:
	service-worker.js
This commit is contained in:
mossroy 2016-01-07 16:55:11 +01:00
commit 727c11928a
7 changed files with 73 additions and 63 deletions
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59
service-worker.js
View File

@ -25,6 +25,32 @@
// TODO : remove requirejs if it's really useless here
importScripts('./www/js/lib/require.js');
/**
* From https://stackoverflow.com/questions/16245767/creating-a-blob-from-a-base64-string-in-javascript
*/
function b64toBlob(b64Data, contentType, sliceSize) {
contentType = contentType || '';
sliceSize = sliceSize || 512;
var byteCharacters = atob(b64Data);
var byteArrays = [];
for (var offset = 0; offset < byteCharacters.length; offset += sliceSize) {
var slice = byteCharacters.slice(offset, offset + sliceSize);
var byteNumbers = new Array(slice.length);
for (var i = 0; i < slice.length; i++) {
byteNumbers[i] = slice.charCodeAt(i);
}
var byteArray = new Uint8Array(byteNumbers);
byteArrays.push(byteArray);
}
var blob = new Blob(byteArrays, {type: contentType});
return blob;
}
self.addEventListener('install', function(event) {
event.waitUntil(self.skipWaiting());
@ -55,15 +81,6 @@ function(util, utf8) {
console.log('Init message received', event.data);
outgoingMessagePort = event.ports[0];
console.log('outgoingMessagePort initialized', outgoingMessagePort);
self.addEventListener('fetch', fetchEventListener);
console.log('fetchEventListener enabled');
}
if (event.data.action === 'disable') {
console.log('Disable message received');
outgoingMessagePort = null;
console.log('outgoingMessagePort deleted');
self.removeEventListener('fetch', fetchEventListener);
console.log('fetchEventListener removed');
}
});
@ -76,13 +93,13 @@ function(util, utf8) {
var regexpContentUrl = new RegExp(/\/(.)\/(.*[^\/]+)$/);
var regexpDummyArticle = new RegExp(/dummyArticle\.html$/);
function fetchEventListener(event) {
console.log('ServiceWorker handling fetch event for : ' + event.request.url);
self.addEventListener('fetch', function(event) {
console.log('ServiceWorker handling fetch event for : ' + event.request.url);
// TODO handle the dummy article more properly
if (regexpContentUrl.test(event.request.url) && !regexpDummyArticle.test(event.request.url)) {
console.log('Asking app.js for a content', event.request.url);
event.respondWith(new Promise(function(resolve, reject) {
var regexpResult = regexpContentUrl.exec(event.request.url);
@ -113,19 +130,6 @@ function(util, utf8) {
else if (regexpCSS.test(titleName)) {
contentType = 'image/css';
}
var responseInit = {
status: 200,
statusText: 'OK',
headers: {
'Content-Type': contentType
}
};
var httpResponse = new Response(';', responseInit);
// TODO : temporary before the backend actually sends a proper content
resolve(httpResponse);
return;
}
// Let's instanciate a new messageChannel, to allow app.s to give us the content
@ -158,5 +162,6 @@ function(util, utf8) {
}
// If event.respondWith() isn't called because this wasn't a request that we want to handle,
// then the default request/response behavior will automatically be used.
}
});
});

14
tests/tests.js
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@ -532,5 +532,19 @@ define(['jquery', 'title', 'archive', 'zimArchive', 'zimDirEntry', 'util', 'geom
});
});
});
asyncTest("Image 's/style.css' can be loaded", function() {
expect(4);
localZimArchive.getTitleByName("-/s/style.css").then(function(title) {
ok(title !== null, "Title found");
equal(title.url, "-/s/style.css", "URL is correct.");
localZimArchive.readBinaryFile(title, function(title, data) {
equal(data.length, 104495, "Data length is correct.");
data = utf8.parse(data);
var beginning = "\n/* start http://en.wikipedia.org/w/load.php?debug=false&lang=en&modules=site&only=styles&skin=vector";
equal(data.slice(0, beginning.length), beginning, "Content starts correctly.");
start();
});
});
});
};
});

4
www/js/app.js
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@ -864,11 +864,11 @@ define(['jquery', 'abstractBackend', 'util', 'cookies','geometry','osabstraction
console.log("Reading binary file...");
selectedArchive.readBinaryFile(title, function(readableTitleName, content) {
messagePort.postMessage({'action': 'giveContent', 'titleName' : titleName, 'content': content});
console.log("content sent to ServiceWorker)");
console.log("content sent to ServiceWorker");
});
}
}
console.log("Fetching tile " + titleName);
console.log("Fetching title " + titleName);
selectedArchive.getTitleByName(titleName).then(readFile).fail(function() {
console.log("could not find title:" + arguments);
messagePort.postMessage({'action': 'giveContent', 'titleName' : titleName, 'content': new UInt8Array()});

1
www/js/lib/archive.js
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@ -338,6 +338,7 @@ define(['normalize_string', 'geometry', 'title', 'util', 'titleIterators', 'q'],
* Look for a title by its name, and call the callbackFunction with this Title
* If the title is not found, the callbackFunction is called with parameter null
* @param {String} titleName
* @return {Promise} resolving to the title object or null if not found.
*/
LocalArchive.prototype.getTitleByName = function(titleName) {
var that = this;

47
www/js/lib/xzdec_wrapper.js
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@ -43,10 +43,6 @@ define(['q'], function(q) {
function Decompressor(reader, chunkSize) {
this._chunkSize = chunkSize || 1024 * 5;
this._reader = reader;
this._decHandle = xzdec._init_decompression(this._chunkSize);
this._inStreamPos = 0;
this._outStreamPos = 0;
this._outBuffer = null;
};
/**
* Read length bytes, offset into the decompressed stream. Consecutive calls may only
@ -55,15 +51,16 @@ define(['q'], function(q) {
* @param {Integer} length
*/
Decompressor.prototype.readSlice = function(offset, length) {
var that = this;
this._inStreamPos = 0;
this._outStreamPos = 0;
this._decHandle = xzdec._init_decompression(this._chunkSize);
this._outBuffer = new Int8Array(new ArrayBuffer(length));
this._outBufferPos = 0;
return this._readLoop(offset, length);
};
/**
* Finish the decompressing and release resources.
*/
Decompressor.prototype.end = function() {
xzdec._release(this._decHandle);
return this._readLoop(offset, length).then(function(data) {
xzdec._release(that._decHandle);
return data;
});
};
/**
@ -88,23 +85,19 @@ define(['q'], function(q) {
}
var outPos = xzdec._get_out_pos(that._decHandle);
if (finished || outPos === that._chunkSize || that._outStreamPos + outPos >= offset + length) {
if (that._outStreamPos + outPos >= offset)
{
var outBuffer = xzdec._get_out_buffer(that._decHandle);
var copyStart = offset - that._outStreamPos;
if (copyStart < 0)
copyStart = 0;
for (var i = copyStart; i < outPos && that._outBufferPos < that._outBuffer.length; i++)
that._outBuffer[that._outBufferPos++] = xzdec.HEAP8[outBuffer + i];
}
if (outPos === that._chunkSize)
{
that._outStreamPos += outPos;
xzdec._out_buffer_cleared(that._decHandle);
}
if (outPos > 0 && that._outStreamPos + outPos >= offset)
{
var outBuffer = xzdec._get_out_buffer(that._decHandle);
var copyStart = offset - that._outStreamPos;
if (copyStart < 0)
copyStart = 0;
for (var i = copyStart; i < outPos && that._outBufferPos < that._outBuffer.length; i++)
that._outBuffer[that._outBufferPos++] = xzdec.HEAP8[outBuffer + i];
}
if (finished || that._outStreamPos + outPos >= offset + length)
that._outStreamPos += outPos;
if (outPos > 0)
xzdec._out_buffer_cleared(that._decHandle);
if (finished || that._outStreamPos >= offset + length)
return that._outBuffer;
else
return that._readLoop(offset, length);

3
www/js/lib/zimArchive.js
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@ -198,8 +198,9 @@ define(['zimfile', 'zimDirEntry', 'util', 'utf8'],
};
/**
*
* Searches a title (article / page) by name.
* @param {String} titleName
* @return {Promise} resolving to the title object or null if not found.
*/
ZIMArchive.prototype.getTitleByName = function(titleName) {
var that = this;

8
www/js/lib/zimfile.js
View File

@ -154,7 +154,6 @@ define(['xzdec_wrapper', 'util', 'utf8'], function(xz, util, utf8) {
ZIMFile.prototype.blob = function(cluster, blob)
{
var that = this;
//@todo decompress in a streaming way, otherwise we have to "guess" the sizes
return this._readSlice(this.clusterPtrPos + cluster * 8, 16).then(function(clusterOffsets)
{
var clusterOffset = readInt(clusterOffsets, 0, 8);
@ -166,7 +165,7 @@ define(['xzdec_wrapper', 'util', 'utf8'], function(xz, util, utf8) {
};
if (compressionType[0] === 0 || compressionType[0] === 1) {
// uncompressed
decompressor = { readSlice: plainBlobReader, end: function() {} };
decompressor = { readSlice: plainBlobReader };
} else if (compressionType[0] === 4) {
decompressor = new xz.Decompressor(plainBlobReader);
} else {
@ -175,10 +174,7 @@ define(['xzdec_wrapper', 'util', 'utf8'], function(xz, util, utf8) {
return decompressor.readSlice(blob * 4, 8).then(function(data) {
var blobOffset = readInt(data, 0, 4);
var nextBlobOffset = readInt(data, 4, 4);
return decompressor.readSlice(blobOffset, nextBlobOffset - blobOffset).then(function(data) {
decompressor.end();
return data;
});
return decompressor.readSlice(blobOffset, nextBlobOffset - blobOffset);
});
});
});