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[pe] fix gif loading: replace fetch to XMLHttpRequest

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Sergey Luzyanin
2026-02-15 05:41:01 +03:00
parent b8345cb9a1
commit 55f4b34e80
1 changed files with 40 additions and 43 deletions
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83
slide/Drawing/Transitions.js
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@ -3899,55 +3899,52 @@ function CDemonstrationManager(htmlpage)
var this_ = this;
var url = AscCommon.getFullImageSrc2(imageUrl);
fetch(url)
.then(function (response)
{
if (response.ok)
{
var contentLength = response.headers.get('content-length');
if (contentLength && parseInt(contentLength) > MAX_GIF_SIZE)
{
return null;
}
return response.arrayBuffer();
}
return null;
})
.then(function (data)
{
if (data && data.byteLength > 0 && data.byteLength <= MAX_GIF_SIZE)
{
this_.GifData[imageUrl] = data;
}
else
{
data = null;
}
var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.responseType = 'arraybuffer';
var callbacks = this_.GifDataLoading[imageUrl];
delete this_.GifDataLoading[imageUrl];
if (xhr.overrideMimeType)
xhr.overrideMimeType('text/plain; charset=x-user-defined');
else
xhr.setRequestHeader('Accept-Charset', 'x-user-defined');
if (callbacks)
{
for (var i = 0; i < callbacks.length; i++)
{
callbacks[i](data);
}
}
})
.catch(function ()
xhr.onload = function()
{
var data = null;
if ((xhr.status === 200 || xhr.status === 0) && xhr.response &&
xhr.response.byteLength > 0 && xhr.response.byteLength <= MAX_GIF_SIZE)
{
var callbacks = this_.GifDataLoading[imageUrl];
delete this_.GifDataLoading[imageUrl];
data = xhr.response;
this_.GifData[imageUrl] = data;
}
if (callbacks)
var callbacks = this_.GifDataLoading[imageUrl];
delete this_.GifDataLoading[imageUrl];
if (callbacks)
{
for (var i = 0; i < callbacks.length; i++)
{
for (var i = 0; i < callbacks.length; i++)
{
callbacks[i](null);
}
callbacks[i](data);
}
});
}
};
xhr.onerror = function()
{
var callbacks = this_.GifDataLoading[imageUrl];
delete this_.GifDataLoading[imageUrl];
if (callbacks)
{
for (var i = 0; i < callbacks.length; i++)
{
callbacks[i](null);
}
}
};
xhr.send();
};
this.NextSlide = function(isNoSendFormReporter, isNoFromEvent)