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Bug 643576 - Do not try to use all fiters on MacOS X file picker but only the current one. r=joshmoz

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This commit is contained in:
Mounir Lamouri 2011-04-01 16:30:00 +02:00
parent 0bb511a3d7
commit 2505445cb0
1 changed files with 35 additions and 49 deletions
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84
widget/src/cocoa/nsFilePicker.mm
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@ -452,60 +452,41 @@ nsFilePicker::PutLocalFile(const nsString& inTitle, const nsString& inDefaultNam
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(0);
}
// Take the list of file types (in a nice win32-specific format) and fills up
// an NSArray of them for the Open Panel. Note: Will return nil if we should allow
// all file types.
// Returns the current filter list in a format accepted by NSOpenPanel.
// Returns nil if no filter currently apply.
NSArray *
nsFilePicker::GenerateFilterList()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
NSArray *filterArray = nil;
if (mFilters.Length() > 0) {
// Set up our filter string
NSMutableString *giantFilterString = [[[NSMutableString alloc] initWithString:@""] autorelease];
// Loop through each of the filter strings
for (PRUint32 loop = 0; loop < mFilters.Length(); loop++) {
const nsString& filterWide = mFilters[loop];
// separate individual filters
if ([giantFilterString length] > 0)
[giantFilterString appendString:[NSString stringWithString:@";"]];
// handle special case filters
if (filterWide.Equals(NS_LITERAL_STRING("*"))) {
// if we'll allow all files, we won't bother parsing all other
// file types. just return early.
return nil;
}
else if (filterWide.Equals(NS_LITERAL_STRING("..apps"))) {
// this magic filter means that we should enable app bundles.
// translate it into a usable filter, and continue looping through
// other filters.
[giantFilterString appendString:@"*.app"];
continue;
}
if (filterWide.Length() > 0)
[giantFilterString appendString:[NSString stringWithCharacters:filterWide.get() length:filterWide.Length()]];
}
// Now we clean stuff up. Get rid of white spaces, "*"'s, and the odd period or two.
NSCharacterSet *aSet = [NSCharacterSet characterSetWithCharactersInString:[NSString stringWithString:@". *"]];
NSRange aRange = [giantFilterString rangeOfCharacterFromSet:aSet];
while (aRange.length) {
[giantFilterString replaceCharactersInRange:aRange withString:@""];
aRange = [giantFilterString rangeOfCharacterFromSet:aSet];
}
// OK, if string isn't empty we'll make a new filter list
if ([giantFilterString length] > 0) {
// every time we find a semicolon, we've found a new filter.
// components SeparatedByString should do that for us.
filterArray = [[[NSArray alloc] initWithArray:[giantFilterString componentsSeparatedByString:@";"]] autorelease];
}
if (mFilters.Length() <= (PRUint32)mSelectedTypeIndex) {
return nil;
}
return filterArray;
const nsString& filterWide = mFilters[mSelectedTypeIndex];
if (!filterWide.Length()) {
return nil;
}
if (filterWide.Equals(NS_LITERAL_STRING("*"))) {
return nil;
}
// The extensions in filterWide are in the format "*.ext" but are expected
// in the format "ext" by NSOpenPanel. So we need to filter some characters.
NSMutableString* filterString = [[[NSMutableString alloc] initWithString:
[NSString stringWithCharacters:filterWide.get()
length:filterWide.Length()]] autorelease];
NSCharacterSet *set = [NSCharacterSet characterSetWithCharactersInString:
[NSString stringWithString:@". *"]];
NSRange range = [filterString rangeOfCharacterFromSet:set];
while (range.length) {
[filterString replaceCharactersInRange:range withString:@""];
range = [filterString rangeOfCharacterFromSet:set];
}
return [[[NSArray alloc] initWithArray:
[filterString componentsSeparatedByString:@";"]] autorelease];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
@ -597,7 +578,12 @@ NS_IMETHODIMP nsFilePicker::SetDefaultExtension(const nsAString& aExtension)
NS_IMETHODIMP
nsFilePicker::AppendFilter(const nsAString& aTitle, const nsAString& aFilter)
{
mFilters.AppendElement(aFilter);
// "..apps" has to be translated with native executable extensions.
if (aFilter.EqualsLiteral("..apps")) {
mFilters.AppendElement(NS_LITERAL_STRING("*.app"));
} else {
mFilters.AppendElement(aFilter);
}
mTitles.AppendElement(aTitle);
return NS_OK;