/*

 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#import <sys/stat.h>

#import <Cocoa/Cocoa.h>

#import <JavaNativeFoundation/JavaNativeFoundation.h>

#import "CFileDialog.h"

#import "ThreadUtilities.h"

#import "java_awt_FileDialog.h"

#import "sun_lwawt_macosx_CFileDialog.h"

@implementation CFileDialog

- (id)initWithFilter:(jboolean)inHasFilter

          fileDialog:(jobject)inDialog

               title:(NSString *)inTitle

           directory:(NSString *)inPath

                file:(NSString *)inFile

                mode:(jint)inMode

        multipleMode:(BOOL)inMultipleMode

      shouldNavigate:(BOOL)inNavigateApps

canChooseDirectories:(BOOL)inChooseDirectories

             withEnv:(JNIEnv*)env;

{

    if (self == [super init]) {

        fHasFileFilter = inHasFilter;

        fFileDialog = JNFNewGlobalRef(env, inDialog);

        fDirectory = inPath;

        [fDirectory retain];

        fFile = inFile;

        [fFile retain];

        fTitle = inTitle;

        [fTitle retain];

        fMode = inMode;

        fMultipleMode = inMultipleMode;

        fNavigateApps = inNavigateApps;

        fChooseDirectories = inChooseDirectories;

        fPanelResult = NSCancelButton;

    }

    return self;

}

-(void) disposer {

    if (fFileDialog != NULL) {

        JNIEnv *env = [ThreadUtilities getJNIEnvUncached];

        JNFDeleteGlobalRef(env, fFileDialog);

        fFileDialog = NULL;

    }

}

-(void) dealloc {

    [fDirectory release];

    fDirectory = nil;

    [fFile release];

    fFile = nil;

    [fTitle release];

    fTitle = nil;

    [fURLs release];

    fURLs = nil;

    [super dealloc];

}

- (void)safeSaveOrLoad {

    NSSavePanel *thePanel = nil;

    /* 

     * 8013553: turns off extension hiding for the native file dialog.

     * This way is used because setExtensionHidden(NO) doesn't work

     * as expected.

     */

    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

    [defaults setBool:NO forKey:@"NSNavLastUserSetHideExtensionButtonState"];

    if (fMode == java_awt_FileDialog_SAVE) {

        thePanel = [NSSavePanel savePanel];

        [thePanel setAllowsOtherFileTypes:YES];

    } else {

        thePanel = [NSOpenPanel openPanel];

    }

    if (thePanel != nil) {

        [thePanel setTitle:fTitle];

        if (fNavigateApps) {

            [thePanel setTreatsFilePackagesAsDirectories:YES];

        }

        if (fMode == java_awt_FileDialog_LOAD) {

            NSOpenPanel *openPanel = (NSOpenPanel *)thePanel;

            [openPanel setAllowsMultipleSelection:fMultipleMode];

            [openPanel setCanChooseFiles:!fChooseDirectories];

            [openPanel setCanChooseDirectories:fChooseDirectories];

            [openPanel setCanCreateDirectories:YES];

        }

        [thePanel setDelegate:self];

        fPanelResult = [thePanel runModalForDirectory:fDirectory file:fFile];

        [thePanel setDelegate:nil];

        if ([self userClickedOK]) {

            if (fMode == java_awt_FileDialog_LOAD) {

                NSOpenPanel *openPanel = (NSOpenPanel *)thePanel;

                fURLs = [openPanel URLs];

            } else {

                fURLs = [NSArray arrayWithObject:[thePanel URL]];

            }

            [fURLs retain];

        }

    }

    [self disposer];

}

- (BOOL) askFilenameFilter:(NSString *)filename {

    JNIEnv *env = [ThreadUtilities getJNIEnv];

    jstring jString = JNFNormalizedJavaStringForPath(env, filename);

    static JNF_CLASS_CACHE(jc_CFileDialog, "sun/lwawt/macosx/CFileDialog");

    static JNF_MEMBER_CACHE(jm_queryFF, jc_CFileDialog, "queryFilenameFilter", "(Ljava/lang/String;)Z");

    BOOL returnValue = JNFCallBooleanMethod(env, fFileDialog, jm_queryFF, jString); // AWT_THREADING Safe (AWTRunLoopMode)

    (*env)->DeleteLocalRef(env, jString);

    return returnValue;

}

- (BOOL)panel:(id)sender shouldEnableURL:(NSURL *)url {

    if (!fHasFileFilter) return YES; // no filter, no problem!

    // check if it's not a normal file

    NSNumber *isFile = nil;

    if ([url getResourceValue:&isFile forKey:NSURLIsRegularFileKey error:nil]) {

        if (![isFile boolValue]) return YES; // always show directories and non-file entities (browsing servers/mounts, etc)

    }

    // if in directory-browsing mode, don't offer files

    if ((fMode != java_awt_FileDialog_LOAD) && (fMode != java_awt_FileDialog_SAVE)) {

        return NO;

    }

    // ask the file filter up in Java

    NSString* filePath = (NSString*)CFURLCopyFileSystemPath((CFURLRef)url, kCFURLPOSIXPathStyle);

    BOOL shouldEnableFile = [self askFilenameFilter:filePath];

    [filePath release];

    return shouldEnableFile;

}

- (BOOL) userClickedOK {

    return fPanelResult == NSOKButton;

}

- (NSArray *)URLs {

    return [[fURLs retain] autorelease];

}

@end

/*

 * Class:     sun_lwawt_macosx_CFileDialog

 * Method:    nativeRunFileDialog

 * Signature: (Ljava/lang/String;ILjava/io/FilenameFilter;

 *             Ljava/lang/String;Ljava/lang/String;)[Ljava/lang/String;

 */

JNIEXPORT jobjectArray JNICALL

Java_sun_lwawt_macosx_CFileDialog_nativeRunFileDialog

(JNIEnv *env, jobject peer, jstring title, jint mode, jboolean multipleMode,

 jboolean navigateApps, jboolean chooseDirectories, jboolean hasFilter,

 jstring directory, jstring file)

{

    jobjectArray returnValue = NULL;

JNF_COCOA_ENTER(env);

    NSString *dialogTitle = JNFJavaToNSString(env, title);

    if ([dialogTitle length] == 0) {

        dialogTitle = @" ";

    }

    CFileDialog *dialogDelegate = [[CFileDialog alloc] initWithFilter:hasFilter

                                                           fileDialog:peer

                                                                title:dialogTitle

                                                            directory:JNFJavaToNSString(env, directory)

                                                                 file:JNFJavaToNSString(env, file)

                                                                 mode:mode

                                                         multipleMode:multipleMode

                                                       shouldNavigate:navigateApps

                                                 canChooseDirectories:chooseDirectories

                                                              withEnv:env];

    [JNFRunLoop performOnMainThread:@selector(safeSaveOrLoad)

                                 on:dialogDelegate

                         withObject:nil

                      waitUntilDone:YES];

    if ([dialogDelegate userClickedOK]) {

        NSArray *urls = [dialogDelegate URLs];

        jsize count = [urls count];

        static JNF_CLASS_CACHE(jc_String, "java/lang/String");

        returnValue = JNFNewObjectArray(env, &jc_String, count);

        [urls enumerateObjectsUsingBlock:^(id url, NSUInteger index, BOOL *stop) {

            jstring filename = JNFNormalizedJavaStringForPath(env, [url path]);

            (*env)->SetObjectArrayElement(env, returnValue, index, filename);

            (*env)->DeleteLocalRef(env, filename);

        }];

    }

    [dialogDelegate release];

JNF_COCOA_EXIT(env);

    return returnValue;

}