/*

 * Copyright (c) 2011, 2016, 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 <JavaNativeFoundation/JavaNativeFoundation.h>

#import <JavaRuntimeSupport/JavaRuntimeSupport.h>

#import "CMenu.h"

#import "CMenuBar.h"

#import "ThreadUtilities.h"

#import "sun_lwawt_macosx_CMenu.h"

@implementation CMenu

- (id)initWithPeer:(jobject)peer {

AWT_ASSERT_APPKIT_THREAD;

    // Create the new NSMenu

    self = [super initWithPeer:peer asSeparator:NO];

    if (self) {

        fMenu = [NSMenu javaMenuWithTitle:@""];

        [fMenu retain];

        [fMenu setAutoenablesItems:NO];

    }

    return self;

}

- (void)dealloc {

    [fMenu release];

    fMenu = nil;

    [super dealloc];

}

- (void)addJavaSubmenu:(CMenu *)submenu {

    [ThreadUtilities performOnMainThread:@selector(addNativeItem_OnAppKitThread:) on:self withObject:submenu waitUntilDone:YES];

}

- (void)addJavaMenuItem:(CMenuItem *)theMenuItem {

    [ThreadUtilities performOnMainThread:@selector(addNativeItem_OnAppKitThread:) on:self withObject:theMenuItem waitUntilDone:YES];

}

- (void)addNativeItem_OnAppKitThread:(CMenuItem *)itemModified {

AWT_ASSERT_APPKIT_THREAD;

    [itemModified addNSMenuItemToMenu:[self menu]];

}

- (void)setJavaMenuTitle:(NSString *)title {

    if (title) {

        [ThreadUtilities performOnMainThread:@selector(setNativeMenuTitle_OnAppKitThread:) on:self withObject:title waitUntilDone:YES];

    }

}

- (void)setNativeMenuTitle_OnAppKitThread:(NSString *)title {

AWT_ASSERT_APPKIT_THREAD;

    [fMenu setTitle:title];

    // If we are a submenu we need to set our name in the parent menu's menu item.

    NSMenu *parent = [fMenu supermenu];

    if (parent) {

        NSInteger index = [parent indexOfItemWithSubmenu:fMenu];

        NSMenuItem *menuItem = [parent itemAtIndex:index];

        [menuItem setTitle:title];

    }

}

- (void)addSeparator {

    // Nothing calls this, which is good because we need a CMenuItem here.

}

- (void)deleteJavaItem:(jint)index {

    [ThreadUtilities performOnMainThread:@selector(deleteNativeJavaItem_OnAppKitThread:) on:self withObject:[NSNumber numberWithInt:index] waitUntilDone:YES];

}

- (void)deleteNativeJavaItem_OnAppKitThread:(NSNumber *)number {

AWT_ASSERT_APPKIT_THREAD;

    int n = [number intValue];

    if (n < [[self menu] numberOfItems]) {

        [[self menu] removeItemAtIndex:n];

    }

}

- (void)addNSMenuItemToMenu:(NSMenu *)inMenu {

    if (fMenuItem == nil) return;

    [fMenuItem setSubmenu:fMenu];

    [inMenu addItem:fMenuItem];

}

- (NSMenu *)menu {

    return [[fMenu retain] autorelease];

}

- (void)setNativeEnabled_OnAppKitThread:(NSNumber *)boolNumber {

AWT_ASSERT_APPKIT_THREAD;

    @synchronized(self) {

        fIsEnabled = [boolNumber boolValue];

        NSMenu* supermenu = [fMenu supermenu];

        [[supermenu itemAtIndex:[supermenu indexOfItemWithSubmenu:fMenu]] setEnabled:fIsEnabled];

    }

}

- (NSString *)description {

    return [NSString stringWithFormat:@"CMenu[ %@ ]", fMenu];

}

@end

CMenu * createCMenu (jobject cPeerObjGlobal) {

    __block CMenu *aCMenu = nil;

    [ThreadUtilities performOnMainThreadWaiting:YES block:^(){

        aCMenu = [[CMenu alloc] initWithPeer:cPeerObjGlobal];

        // the aCMenu is released in CMenuComponent.dispose()

    }];

    if (aCMenu == nil) {

        return 0L;

    }

    return aCMenu;

}

/*

 * Class:     sun_lwawt_macosx_CMenu

 * Method:    nativeCreateSubMenu

 * Signature: (J)J

 */

JNIEXPORT jlong JNICALL

Java_sun_lwawt_macosx_CMenu_nativeCreateSubMenu

(JNIEnv *env, jobject peer, jlong parentMenu)

{

    CMenu *aCMenu = nil;

JNF_COCOA_ENTER(env);

    jobject cPeerObjGlobal = (*env)->NewGlobalRef(env, peer);

    aCMenu = createCMenu (cPeerObjGlobal);

    // Add it to the parent menu

    [((CMenu *)jlong_to_ptr(parentMenu)) addJavaSubmenu: aCMenu];

JNF_COCOA_EXIT(env);

    return ptr_to_jlong(aCMenu);

}

/*

 * Class:     sun_lwawt_macosx_CMenu

 * Method:    nativeCreateMenu

 * Signature: (JZ)J

 */

JNIEXPORT jlong JNICALL

Java_sun_lwawt_macosx_CMenu_nativeCreateMenu

(JNIEnv *env, jobject peer,

        jlong parentMenuBar, jboolean isHelpMenu, jint insertLocation)

{

    CMenu *aCMenu = nil;

    CMenuBar *parent = (CMenuBar *)jlong_to_ptr(parentMenuBar);

JNF_COCOA_ENTER(env);

    jobject cPeerObjGlobal = (*env)->NewGlobalRef(env, peer);

    aCMenu = createCMenu (cPeerObjGlobal);

    // Add it to the menu bar.

    [parent javaAddMenu:aCMenu atIndex:insertLocation];

    // If the menu is already the help menu (because we are creating an entire

    // menu bar) we need to note that now, because we can't rely on

    // setHelpMenu() being called again.

    if (isHelpMenu == JNI_TRUE) {

        [parent javaSetHelpMenu: aCMenu];

    }

JNF_COCOA_EXIT(env);

    return ptr_to_jlong(aCMenu);

}

/*

 * Class:     sun_lwawt_macosx_CMenu

 * Method:    nativeSetMenuTitle

 * Signature: (JLjava/lang/String;)V

 */

JNIEXPORT void JNICALL

Java_sun_lwawt_macosx_CMenu_nativeSetMenuTitle

(JNIEnv *env, jobject peer, jlong menuObject, jstring label)

{

JNF_COCOA_ENTER(env);

    // Set the menu's title.

    [((CMenu *)jlong_to_ptr(menuObject)) setJavaMenuTitle:JNFJavaToNSString(env, label)];

JNF_COCOA_EXIT(env);

}

/*

 * Class:     sun_lwawt_macosx_CMenu

 * Method:    nativeAddSeparator

 * Signature: (J)V

 */

JNIEXPORT void JNICALL

Java_sun_lwawt_macosx_CMenu_nativeAddSeparator

(JNIEnv *env, jobject peer, jlong menuObject)

{

JNF_COCOA_ENTER(env);

    // Add a separator item.

    [((CMenu *)jlong_to_ptr(menuObject))addSeparator];

JNF_COCOA_EXIT(env);

}

/*

 * Class:     sun_lwawt_macosx_CMenu

 * Method:    nativeDeleteItem

 * Signature: (JI)V

 */

JNIEXPORT void JNICALL

Java_sun_lwawt_macosx_CMenu_nativeDeleteItem

(JNIEnv *env, jobject peer, jlong menuObject, jint index)

{

JNF_COCOA_ENTER(env);

    // Remove the specified item.

    [((CMenu *)jlong_to_ptr(menuObject)) deleteJavaItem: index];

JNF_COCOA_EXIT(env);

}

/*

 * Class:     sun_lwawt_macosx_CMenu

 * Method:    nativeGetNSMenu

 * Signature: (J)J

 */

JNIEXPORT jlong JNICALL

Java_sun_lwawt_macosx_CMenu_nativeGetNSMenu

(JNIEnv *env, jobject peer, jlong menuObject)

{

    NSMenu* nsMenu = NULL;

JNF_COCOA_ENTER(env);

    // Strong retain this menu; it'll get released in Java_apple_laf_ScreenMenu_addMenuListeners

    nsMenu = [[((CMenu *)jlong_to_ptr(menuObject)) menu] retain];

JNF_COCOA_EXIT(env);

    return ptr_to_jlong(nsMenu);

}