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Get the MIME type from the image itself. Bug 198339, patch by db48x@yahoo.com

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(Daniel Brooks), r=bzbarsky, sr=jag
This commit is contained in:
bzbarsky%mit.edu 2003-03-21 00:26:13 +00:00
parent cbc48d4f51
commit 0389f0d561
1 changed files with 40 additions and 15 deletions
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55
xpfe/browser/resources/content/pageInfo.js
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@ -229,6 +229,9 @@ const nsIButtonElement = Components.interfaces.nsIDOMHTMLButtonElement
const nsISelectElement = Components.interfaces.nsIDOMHTMLSelectElement
const nsITextareaElement = Components.interfaces.nsIDOMHTMLTextAreaElement
// Interface for image loading content
const nsIImageLoadingContent = Components.interfaces.nsIImageLoadingContent;
// namespaces, don't need all of these yet...
const XLinkNS = "http://www.w3.org/1999/xlink";
const XULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
@ -862,30 +865,22 @@ function makePreview(row)
}
}
// find out the mime type, file size and expiration date
var mimeType = gStrings.unknown, httpType;
// find out the file size and expiration date
if (cacheEntryDescriptor)
{
var headers, match;
pageSize = cacheEntryDescriptor.dataSize;
kbSize = pageSize / 1024;
sizeText = theBundle.getFormattedString("generalSize", [Math.round(kbSize*100)/100, pageSize]);
expirationText = formatDate(cacheEntryDescriptor.expirationTime*1000, gStrings.notSet);
headers = cacheEntryDescriptor.getMetaDataElement("response-head");
match = /^Content-Type:\s*(.*?)\s*(?:\;|$)/mi.exec(headers);
if (match)
httpType = match[1];
}
if (!(item instanceof nsIInputElement))
mimeType = ("type" in item && item.type) ||
("codeType" in item && item.codeType) ||
("contentType" in item && item.contentType) ||
httpType || gStrings.unknown;
var mimeType = ("type" in item && item.type) ||
("codeType" in item && item.codeType) ||
("contentType" in item && item.contentType) ||
getContentTypeFromImgRequest(item) ||
getContentTypeFromHeaders(cacheEntryDescrptor) ||
gStrings.unknown;
document.getElementById("imagetypetext").value = mimeType;
document.getElementById("imagesourcetext").value = sourceText;
@ -941,6 +936,36 @@ function makePreview(row)
imageContainer.appendChild(newImage);
}
function getContentTypeFromHeaders(cacheEntryDescriptor)
{
var headers, match;
if (cacheEntryDescriptor)
{
headers = cacheEntryDescriptor.getMetaDataElement("response-head");
match = /^Content-Type:\s*(.*?)\s*(?:\;|$)/mi.exec(headers);
return match[1];
}
}
function getContentTypeFromImgRequest(item)
{
var httpRequest;
try
{
var imageItem = item.QueryInterface(nsIImageLoadingContent);
var imageRequest = imageItem.getRequest(nsIImageLoadingContent.CURRENT_REQUEST);
if (imageRequest)
httpRequest = imageRequest.mimeType;
}
catch (ex)
{
// This never happened. ;)
}
return httpRequest;
}
//******** Other Misc Stuff
// Modified from the Links Panel v2.3, http://segment7.net/mozilla/links/links.html