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Expose the content-disposition header on documents (via nsIWindowUtils), and

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use it for save as.  Bug 263697, r=biesi, sr=jst, a=asa
This commit is contained in:
bzbarsky%mit.edu 2006-07-29 05:43:29 +00:00
parent c5e57354a2
commit 3369da96b5
1 changed files with 44 additions and 7 deletions
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51
suite/common/contentAreaUtils.js
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@ -683,10 +683,47 @@ function getMIMEInfoForType(aMIMEType, aExtension)
function getDefaultFileName(aDefaultFileName, aDocumentURI, aDocument)
{
if (aDocument) {
// 1) look for a filename in the content-disposition header, if any
try {
// Get to the window as best we can, and get the header from it.
var dispHeader =
aDocument.defaultView
.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIDOMWindowUtils)
.getDocumentMetadata("content-disposition");
if (dispHeader) {
const mhpContractID = "@mozilla.org/network/mime-hdrparam;1";
const mhpIID = Components.interfaces.nsIMIMEHeaderParam;
const mhp = Components.classes[mhpContractID].getService(mhpIID);
var dummy = { value: null }; // Need an out param...
var charset = getCharsetforSave(aDocument);
var fileName;
try {
fileName = mhp.getParameter(dispHeader, "filename", charset, true,
dummy);
}
catch (e) {
try {
fileName = mhp.getParameter(dispHeader, "name", charset, true,
dummy);
}
catch (e) {
}
}
if (fileName) {
return fileName;
}
}
} catch (e) {
// Move on
}
}
try {
var url = aDocumentURI.QueryInterface(Components.interfaces.nsIURL);
if (url.fileName != "") {
// 1) Use the actual file name, if present
// 2) Use the actual file name, if present
return validateFileName(decodeURIComponent(url.fileName));
}
} catch (e) {
@ -707,16 +744,16 @@ function getDefaultFileName(aDefaultFileName, aDocumentURI, aDocument)
var docTitle = GenerateValidFilename(aDocument.title, "");
if (docTitle) {
// 2) Use the document title
// 3) Use the document title
return docTitle;
}
}
if (aDefaultFileName)
// 3) Use the caller-provided name, if any
// 4) Use the caller-provided name, if any
return validateFileName(aDefaultFileName);
// 4) If this is a directory, use the last directory name
// 5) If this is a directory, use the last directory name
var path = aDocumentURI.path.match(/\/([^\/]+)\/$/);
if (path && path.length > 1) {
return validateFileName(path[1]);
@ -724,18 +761,18 @@ function getDefaultFileName(aDefaultFileName, aDocumentURI, aDocument)
try {
if (aDocumentURI.host)
// 5) Use the host.
// 6) Use the host.
return aDocumentURI.host;
} catch (e) {
// Some files have no information at all, like Javascript generated pages
}
try {
// 6) Use the default file name
// 7) Use the default file name
return getStringBundle().GetStringFromName("DefaultSaveFileName");
} catch (e) {
//in case localized string cannot be found
}
// 7) If all else fails, use "index"
// 8) If all else fails, use "index"
return "index";
}