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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v.
2.
0. If a copy of the MPL was not distributed with this
* file, You can obtain one at
http://mozilla.org/MPL/2.
0/. */
#import <Cocoa/Cocoa.h>
#include "nsFilePicker.h"
#include "nsCOMPtr.h"
#include "nsReadableUtils.h"
#include "nsNetUtil.h"
#include "nsIFile.h"
#include "nsILocalFileMac.h"
#include "nsArrayEnumerator.h"
#include "nsIStringBundle.h"
#include "nsCocoaUtils.h"
#include "nsThreadUtils.h"
#include "mozilla/Preferences.h"
// This must be included last:
#include "nsObjCExceptions.h"
using namespace mozilla;
const float kAccessoryViewPadding =
5;
const int kSaveTypeControlTag =
1;
const char kShowHiddenFilesPref[] = "filepicker.showHiddenFiles";
// This class is an observer of NSPopUpButton selection change.
@interface MOZFilePickerPopUpObserver : NSObject {
NSPopUpButton* mPopUpButton;
NSOpenPanel* mOpenPanel;
RefPtr<nsFilePicker> mFilePicker;
}
- (void)setPopUpButton:(NSPopUpButton*)aPopUpButton;
- (void)setOpenPanel:(NSOpenPanel*)aOpenPanel;
- (void)setFilePicker:(nsFilePicker*)aFilePicker;
- (void)menuChangedItem:(NSNotification*)aSender;
@end
@interface MOZSaveFilePickerPopUpObserver : NSObject {
NSPopUpButton* mPopUpButton;
NSSavePanel* mSavePanel;
RefPtr<nsFilePicker> mFilePicker;
}
- (void)setPopUpButton:(NSPopUpButton*)aPopUpButton;
- (void)setSavePanel:(NSSavePanel*)aSavePanel;
- (void)setFilePicker:(nsFilePicker*)aFilePicker;
- (void)menuChangedItem:(NSNotification*)aSender;
@end
NS_IMPL_ISUPPORTS(nsFilePicker, nsIFilePicker)
static void SetShowHiddenFileState(NSSavePanel* panel) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
bool show = false;
if (NS_SUCCEEDED(Preferences::GetBool(kShowHiddenFilesPref, &show))) {
[panel setShowsHiddenFiles:show];
}
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
// On macOS
26 (Tahoe), the panel's sheet completion handler can run before the
// modal session has fully unwound. Invoking the callback synchronously here
// would let a consumer open another modal on top of a session that is still
// tearing down, which hangs (bug
2053177). Deferring to a fresh main-thread
// turn lets the modal finish unwinding before the callback runs.
static void InvokeFilePickerCallbackDeferred(
nsIFilePickerShownCallback* aCallback, nsIFilePicker::ResultCode aResult) {
if (!aCallback) {
return;
}
nsCOMPtr<nsIFilePickerShownCallback> callback = aCallback;
NS_DispatchToMainThread(NS_NewRunnableFunction(
"nsFilePicker::InvokeCallback",
[callback, aResult]() { callback->Done(aResult); }));
}
nsFilePicker::nsFilePicker() = default;
nsFilePicker::~nsFilePicker() = default;
void nsFilePicker::InitNative(nsIWidget* aParent, const nsAString& aTitle) {
mParentWidget = aParent;
mTitle = aTitle;
}
NSView* nsFilePicker::GetAccessoryView() {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
NSView* accessoryView =
[[[NSView alloc] initWithFrame:NSMakeRect(
0,
0,
0,
0)] autorelease];
// Set a label's default value.
NSString* label = @"Format:";
// Try to get the localized string.
nsCOMPtr<nsIStringBundleService> sbs =
do_GetService(NS_STRINGBUNDLE_CONTRACTID);
nsCOMPtr<nsIStringBundle> bundle;
nsresult rv = sbs->CreateBundle(
"chrome://global/locale/filepicker.properties", getter_AddRefs(bundle));
if (NS_SUCCEEDED(rv)) {
nsAutoString localizedLabel;
rv = bundle->GetStringFromName("formatLabel", localizedLabel);
if (NS_SUCCEEDED(rv)) {
label = [NSString stringWithCharacters:reinterpret_cast<const unichar*>(
localizedLabel.get())
length:localizedLabel.Length()];
}
}
// set up label text field
NSTextField* textField = [[[NSTextField alloc] init] autorelease];
[textField setEditable:NO];
[textField setSelectable:NO];
[textField setDrawsBackground:NO];
[textField setBezeled:NO];
[textField setBordered:NO];
[textField setFont:[NSFont labelFontOfSize:
13.
0]];
[textField setStringValue:label];
[textField setTag:
0];
[textField sizeToFit];
// set up popup button
NSPopUpButton* popupButton =
[[[NSPopUpButton alloc] initWithFrame:NSMakeRect(
0,
0,
0,
0)
pullsDown:NO] autorelease];
uint32_t numMenuItems = mTitles.Length();
for (uint32_t i =
0; i < numMenuItems; i++) {
const nsString& currentTitle = mTitles[i];
NSString* titleString;
if (currentTitle.IsEmpty()) {
const nsString& currentFilter = mFilters[i];
titleString =
[[NSString alloc] initWithCharacters:reinterpret_cast<const unichar*>(
currentFilter.get())
length:currentFilter.Length()];
} else {
titleString =
[[NSString alloc] initWithCharacters:reinterpret_cast<const unichar*>(
currentTitle.get())
length:currentTitle.Length()];
}
[popupButton addItemWithTitle:titleString];
[titleString release];
}
if (mSelectedTypeIndex >=
0 &&
static_cast<uint32_t>(mSelectedTypeIndex) < numMenuItems) {
[popupButton selectItemAtIndex:mSelectedTypeIndex];
}
[popupButton setTag:kSaveTypeControlTag];
[popupButton sizeToFit]; // we have to do sizeToFit to get the height
// calculated for us
// This is just a default width that works well, doesn't truncate the vast
// majority of things that might end up in the menu.
[popupButton setFrameSize:NSMakeSize(
180, [popupButton frame].size.height)];
// position everything based on control sizes with kAccessoryViewPadding pix
// padding on each side kAccessoryViewPadding pix horizontal padding between
// controls
float greatestHeight = [textField frame].size.height;
if ([popupButton frame].size.height > greatestHeight) {
greatestHeight = [popupButton frame].size.height;
}
float totalViewHeight = greatestHeight + kAccessoryViewPadding *
2;
float totalViewWidth = [textField frame].size.width +
[popupButton frame].size.width +
kAccessoryViewPadding *
3;
[accessoryView setFrameSize:NSMakeSize(totalViewWidth, totalViewHeight)];
float textFieldOriginY =
((greatestHeight - [textField frame].size.height) /
2 +
1) +
kAccessoryViewPadding;
[textField
setFrameOrigin:NSMakePoint(kAccessoryViewPadding, textFieldOriginY)];
float popupOriginX = [textField frame].size.width + kAccessoryViewPadding *
2;
float popupOriginY =
((greatestHeight - [popupButton frame].size.height) /
2) +
kAccessoryViewPadding;
[popupButton setFrameOrigin:NSMakePoint(popupOriginX, popupOriginY)];
[accessoryView addSubview:textField];
[accessoryView addSubview:popupButton];
return accessoryView;
NS_OBJC_END_TRY_BLOCK_RETURN(nil);
}
NS_IMETHODIMP
nsFilePicker::Open(nsIFilePickerShownCallback* aCallback) {
if (MaybeBlockFilePicker(aCallback)) {
return NS_OK;
}
RefPtr<nsFilePicker> self = this;
nsCOMPtr<nsIFilePickerShownCallback> callback = aCallback;
return NS_DispatchToMainThread(
NS_NewRunnableFunction("nsFilePicker::Open", [self, callback]() mutable {
switch (self->mMode) {
case modeOpen:
self->PresentOpenPanel(false, callback);
break;
case modeOpenMultiple:
self->PresentOpenPanel(true, callback);
break;
case modeSave:
self->PresentSavePanel(callback);
break;
case modeGetFolder:
self->PresentFolderPanel(callback);
break;
default:
NS_ERROR("Unknown file picker mode");
if (callback) {
callback->Done(nsIFilePicker::returnCancel);
}
break;
}
}));
}
void nsFilePicker::BeginPanelAsync(NSSavePanel* aPanel,
void (^aHandler)(NSModalResponse)) {
NSWindow* parentWindow = nil;
if (mParentWidget) {
parentWindow =
static_cast<NSWindow*>(mParentWidget->GetNativeData(NS_NATIVE_WINDOW));
}
if (parentWindow) {
[aPanel beginSheetModalForWindow:parentWindow completionHandler:aHandler];
} else {
[aPanel beginWithCompletionHandler:aHandler];
}
}
static void UpdatePanelFileTypes(NSOpenPanel* aPanel, NSArray* aFilters) {
// If we show all file types, also "expose" bundles' contents.
[aPanel setTreatsFilePackagesAsDirectories:!aFilters];
[aPanel setAllowedFileTypes:aFilters];
}
@implementation MOZFilePickerPopUpObserver
- (void)setPopUpButton:(NSPopUpButton*)aPopUpButton {
mPopUpButton = aPopUpButton;
}
- (void)setOpenPanel:(NSOpenPanel*)aOpenPanel {
mOpenPanel = aOpenPanel;
}
- (void)setFilePicker:(nsFilePicker*)aFilePicker {
mFilePicker = aFilePicker;
}
- (void)menuChangedItem:(NSNotification*)aSender {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
int32_t selectedItem = [mPopUpButton indexOfSelectedItem];
if (selectedItem <
0) {
return;
}
mFilePicker->SetFilterIndex(selectedItem);
UpdatePanelFileTypes(mOpenPanel, mFilePicker->GetFilterList());
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
@end
@implementation MOZSaveFilePickerPopUpObserver
- (void)setPopUpButton:(NSPopUpButton*)aPopUpButton {
mPopUpButton = aPopUpButton;
}
- (void)setSavePanel:(NSSavePanel*)aSavePanel {
mSavePanel = aSavePanel;
}
- (void)setFilePicker:(nsFilePicker*)aFilePicker {
mFilePicker = aFilePicker;
}
- (void)menuChangedItem:(NSNotification*)aSender {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
int32_t selectedItem = [mPopUpButton indexOfSelectedItem];
if (selectedItem <
0) {
return;
}
mFilePicker->SetFilterIndex(selectedItem);
NSArray* filterList = mFilePicker->GetFilterList();
if (filterList && [filterList count] >
0) {
NSString* newExtension = [filterList objectAtIndex:
0];
NSString* currentName = [mSavePanel nameFieldStringValue];
NSString* baseName = [currentName stringByDeletingPathExtension];
if (baseName.length >
0) {
[mSavePanel setNameFieldStringValue:
[baseName stringByAppendingPathExtension:newExtension]];
// Keep the panel's allowed type in sync with the name field so the new
// extension is preserved on the saved file.
mSavePanel.allowedFileTypes = @[ newExtension ];
}
}
// For the "All Files" filter GetFilterList returns nil; we leave the name
// field and the allowed type untouched so the current extension is kept.
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
@end
void nsFilePicker::PresentOpenPanel(bool aAllowMultiple,
nsIFilePickerShownCallback* aCallback) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
MOZ_ASSERT(NS_IsMainThread());
mFiles.Clear();
NSOpenPanel* thePanel = [NSOpenPanel openPanel];
SetShowHiddenFileState(thePanel);
// Set the options for how the get file dialog will appear
SetDialogTitle(mTitle, thePanel);
[thePanel setAllowsMultipleSelection:aAllowMultiple];
[thePanel setCanSelectHiddenExtension:YES];
[thePanel setCanChooseDirectories:NO];
[thePanel setCanChooseFiles:YES];
[thePanel setResolvesAliases:YES];
// Get filters
// filters may be null, if we should allow all file types.
NSArray* filters = GetFilterList();
NSString* theDir = PanelDefaultDirectory();
// If no other dir was set and this is the "Choose application..." dialog
// then use the Applications folder.
if (!theDir && filters && [filters count] ==
1 &&
[static_cast<NSString*>([filters objectAtIndex:
0])
isEqualToString:@"app"]) {
theDir = @"/Applications/";
}
if (theDir) {
[thePanel setDirectoryURL:[NSURL fileURLWithPath:theDir isDirectory:YES]];
}
MOZFilePickerPopUpObserver* observer = nil;
if (mFilters.Length() >
1) {
observer = [[MOZFilePickerPopUpObserver alloc] init];
NSView* accessoryView = GetAccessoryView();
[thePanel setAccessoryView:accessoryView];
NSPopUpButton* popupButton =
[accessoryView viewWithTag:kSaveTypeControlTag];
[observer setPopUpButton:popupButton];
[observer setOpenPanel:thePanel];
[observer setFilePicker:this];
[[NSNotificationCenter defaultCenter]
addObserver:observer
selector:@selector(menuChangedItem:)
name:NSMenuWillSendActionNotification
object:[popupButton menu]];
UpdatePanelFileTypes(thePanel, filters);
} else {
// If we show all file types, also "expose" bundles' contents.
if (!filters) {
[thePanel setTreatsFilePackagesAsDirectories:YES];
}
[thePanel setAllowedFileTypes:filters];
}
RefPtr<nsFilePicker> self = this;
nsCOMPtr<nsIFilePickerShownCallback> callback = aCallback;
BeginPanelAsync(thePanel, ^(NSModalResponse result) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
if (observer) {
[[NSNotificationCenter defaultCenter] removeObserver:observer];
[observer release];
}
ResultCode retVal = returnCancel;
if (result != NSModalResponseCancel) {
for (NSURL* url in [thePanel URLs]) {
if (!url) {
continue;
}
nsCOMPtr<nsILocalFileMac> macLocalFile;
if (NS_SUCCEEDED(NS_NewLocalFileWithCFURL(
static_cast<CFURLRef>(url), getter_AddRefs(macLocalFile)))) {
self->mFiles.AppendObject(macLocalFile);
}
}
if (self->mFiles.Count() >
0) {
retVal = returnOK;
}
}
InvokeFilePickerCallbackDeferred(callback, retVal);
NS_OBJC_END_TRY_IGNORE_BLOCK;
});
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsFilePicker::PresentFolderPanel(nsIFilePickerShownCallback* aCallback) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
MOZ_ASSERT(NS_IsMainThread());
mFiles.Clear();
NSOpenPanel* thePanel = [NSOpenPanel openPanel];
SetShowHiddenFileState(thePanel);
// Set the options for how the get file dialog will appear
SetDialogTitle(mTitle, thePanel);
[thePanel setAllowsMultipleSelection:NO];
[thePanel setCanSelectHiddenExtension:YES];
[thePanel setCanChooseDirectories:YES];
[thePanel setCanChooseFiles:NO];
[thePanel setResolvesAliases:YES];
[thePanel setCanCreateDirectories:YES];
// packages != folders
[thePanel setTreatsFilePackagesAsDirectories:NO];
// set up default directory
NSString* theDir = PanelDefaultDirectory();
if (theDir) {
[thePanel setDirectoryURL:[NSURL fileURLWithPath:theDir isDirectory:YES]];
}
RefPtr<nsFilePicker> self = this;
nsCOMPtr<nsIFilePickerShownCallback> callback = aCallback;
BeginPanelAsync(thePanel, ^(NSModalResponse result) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
ResultCode retVal = returnCancel;
if (result != NSModalResponseCancel) {
// get the path for the folder (we allow just
1, so that's all we get)
NSArray* urls = [thePanel URLs];
if ([urls count] >
0) {
NSURL* theURL = [urls objectAtIndex:
0];
if (theURL) {
nsCOMPtr<nsILocalFileMac> macLocalFile;
if (NS_SUCCEEDED(
NS_NewLocalFileWithCFURL(static_cast<CFURLRef>(theURL),
getter_AddRefs(macLocalFile)))) {
self->mFiles.AppendObject(macLocalFile);
retVal = returnOK;
}
}
}
}
InvokeFilePickerCallbackDeferred(callback, retVal);
NS_OBJC_END_TRY_IGNORE_BLOCK;
});
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsFilePicker::PresentSavePanel(nsIFilePickerShownCallback* aCallback) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
MOZ_ASSERT(NS_IsMainThread());
mFiles.Clear();
NSSavePanel* thePanel = [NSSavePanel savePanel];
SetShowHiddenFileState(thePanel);
SetDialogTitle(mTitle, thePanel);
// set up default file name
NSString* defaultFilename =
[NSString stringWithCharacters:reinterpret_cast<const unichar*>(
mDefaultFilename.get())
length:mDefaultFilename.Length()];
// set up accessory view for file format options
MOZSaveFilePickerPopUpObserver* observer = nil;
if (mFilters.Length()) {
NSView* accessoryView = GetAccessoryView();
[thePanel setAccessoryView:accessoryView];
observer = [[MOZSaveFilePickerPopUpObserver alloc] init];
NSPopUpButton* popupButton =
[accessoryView viewWithTag:kSaveTypeControlTag];
[observer setPopUpButton:popupButton];
[observer setSavePanel:thePanel];
[observer setFilePicker:this];
[[NSNotificationCenter defaultCenter]
addObserver:observer
selector:@selector(menuChangedItem:)
name:NSMenuWillSendActionNotification
object:[popupButton menu]];
}
// Declare the default file's extension as the allowed type so that saving
// without changing the format popup keeps it on the file. The observer
// updates this when the user changes the format.
NSString* defaultExtension = defaultFilename.pathExtension;
if (defaultExtension.length !=
0) {
thePanel.allowedFileTypes = @[ defaultExtension ];
}
// Allow users to change the extension.
thePanel.allowsOtherFileTypes = YES;
// If extensions are hidden and we’re saving a file with multiple extensions,
// only the last extension will be hidden in the panel (".tar.gz" will become
// ".tar"). If the remaining extension is known, the OS will think that we're
// trying to add a non-default extension. To avoid the confusion, we ensure
// that all extensions are shown in the panel if the remaining extension is
// known by the OS.
NSString* fileName =
[[defaultFilename lastPathComponent] stringByDeletingPathExtension];
NSString* otherExtension = fileName.pathExtension;
if (otherExtension.length !=
0) {
// There's another extension here. Get the UTI.
CFStringRef type = UTTypeCreatePreferredIdentifierForTag(
kUTTagClassFilenameExtension, static_cast<CFStringRef>(otherExtension),
nullptr);
if (type) {
if (!CFStringHasPrefix(type, CFSTR("dyn."))) {
// We have a UTI, otherwise the type would have a "dyn." prefix. Ensure
// extensions are shown in the panel.
[thePanel setExtensionHidden:NO];
}
CFRelease(type);
}
}
// set up default directory
NSString* theDir = PanelDefaultDirectory();
if (theDir) {
[thePanel setDirectoryURL:[NSURL fileURLWithPath:theDir isDirectory:YES]];
}
[thePanel setNameFieldStringValue:defaultFilename];
RefPtr<nsFilePicker> self = this;
nsCOMPtr<nsIFilePickerShownCallback> callback = aCallback;
BeginPanelAsync(thePanel, ^(NSModalResponse result) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
if (observer) {
[[NSNotificationCenter defaultCenter] removeObserver:observer];
[observer release];
}
ResultCode retVal = returnCancel;
if (result != NSModalResponseCancel) {
// get the save type
NSPopUpButton* popupButton =
[[thePanel accessoryView] viewWithTag:kSaveTypeControlTag];
if (popupButton) {
self->mSelectedTypeIndex = [popupButton indexOfSelectedItem];
}
NSURL* fileURL = [thePanel URL];
if (fileURL) {
nsCOMPtr<nsILocalFileMac> macLocalFile;
if (NS_SUCCEEDED(
NS_NewLocalFileWithCFURL(static_cast<CFURLRef>(fileURL),
getter_AddRefs(macLocalFile)))) {
self->mFiles.AppendObject(macLocalFile);
// We tell if we are replacing by looking to see if the
// file exists. The user will only have hit OK if they meant to
// replace the file.
if ([[NSFileManager defaultManager]
fileExistsAtPath:[fileURL path]]) {
retVal = returnReplace;
} else {
retVal = returnOK;
}
}
}
}
InvokeFilePickerCallbackDeferred(callback, retVal);
NS_OBJC_END_TRY_IGNORE_BLOCK;
});
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
NSArray* nsFilePicker::GetFilterList() {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
if (!mFilters.Length()) {
return nil;
}
if (mFilters.Length() <= static_cast<uint32_t>(mSelectedTypeIndex)) {
NS_WARNING("An out of range index has been selected. Using the first index "
"instead.");
mSelectedTypeIndex =
0;
}
const nsString& filterWide = mFilters[mSelectedTypeIndex];
if (!filterWide.Length()) {
return nil;
}
if (filterWide.Equals(u"*"_ns)) {
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:reinterpret_cast<const unichar*>(
filterWide.get())
length:filterWide.Length()]]
autorelease];
NSCharacterSet* set =
[NSCharacterSet characterSetWithCharactersInString:@". *"];
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_BLOCK_RETURN(nil);
}
// Sets the dialog title to whatever it should be. If it fails, eh,
// the OS will provide a sensible default.
void nsFilePicker::SetDialogTitle(const nsString& inTitle, id aPanel) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
[aPanel
setTitle:[NSString stringWithCharacters:reinterpret_cast<const unichar*>(
inTitle.get())
length:inTitle.Length()]];
if (!mOkButtonLabel.IsEmpty()) {
[aPanel setPrompt:[NSString
stringWithCharacters:reinterpret_cast<const unichar*>(
mOkButtonLabel.get())
length:mOkButtonLabel.Length()]];
}
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
// Converts path from an nsIFile into a NSString path
// If it fails, returns an empty string.
NSString* nsFilePicker::PanelDefaultDirectory() {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
NSString* directory = nil;
if (mDisplayDirectory) {
nsAutoString pathStr;
mDisplayDirectory->GetPath(pathStr);
directory = [[[NSString alloc]
initWithCharacters:reinterpret_cast<const unichar*>(pathStr.get())
length:pathStr.Length()] autorelease];
}
return directory;
NS_OBJC_END_TRY_BLOCK_RETURN(nil);
}
NS_IMETHODIMP nsFilePicker::GetFile(nsIFile** aFile) {
NS_ENSURE_ARG_POINTER(aFile);
*aFile = nullptr;
// just return the first file
if (mFiles.Count() >
0) {
*aFile = mFiles.ObjectAt(
0);
NS_IF_ADDREF(*aFile);
}
return NS_OK;
}
NS_IMETHODIMP nsFilePicker::GetFileURL(nsIURI** aFileURL) {
NS_ENSURE_ARG_POINTER(aFileURL);
*aFileURL = nullptr;
if (mFiles.Count() ==
0) {
return NS_OK;
}
return NS_NewFileURI(aFileURL, mFiles.ObjectAt(
0));
}
NS_IMETHODIMP nsFilePicker::GetFiles(nsISimpleEnumerator** aFiles) {
return NS_NewArrayEnumerator(aFiles, mFiles, NS_GET_IID(nsIFile));
}
NS_IMETHODIMP nsFilePicker::SetDefaultString(const nsAString& aString) {
mDefaultFilename = aString;
return NS_OK;
}
NS_IMETHODIMP nsFilePicker::GetDefaultString(nsAString& aString) {
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsFilePicker::GetDefaultExtension(nsAString& aExtension) {
aExtension.Truncate();
return NS_OK;
}
NS_IMETHODIMP nsFilePicker::SetDefaultExtension(const nsAString& aExtension) {
return NS_OK;
}
NS_IMETHODIMP
nsFilePicker::AppendFilter(const nsAString& aTitle, const nsAString& aFilter)
{
// "..apps" has to be translated with native executable extensions.
if (aFilter.EqualsLiteral("..apps")) {
mFilters.AppendElement(u"*.app"_ns);
} else {
mFilters.AppendElement(aFilter);
}
mTitles.AppendElement(aTitle);
return NS_OK;
}
NS_IMETHODIMP nsFilePicker::GetFilterIndex(int32_t* aFilterIndex) {
*aFilterIndex = mSelectedTypeIndex;
return NS_OK;
}
NS_IMETHODIMP nsFilePicker::SetFilterIndex(int32_t aFilterIndex) {
mSelectedTypeIndex = aFilterIndex;
return NS_OK;
}