/*

 * Copyright (c) 2011, 2012, 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 "ScreenMenu.h"

#import "com_apple_laf_ScreenMenu.h"

#import "java_awt_Event.h"

#import "java_awt_event_KeyEvent.h"

#import "java_awt_event_InputEvent.h"

#import "java_awt_event_MouseEvent.h"

#import <JavaNativeFoundation/JavaNativeFoundation.h>

#import <JavaRuntimeSupport/JavaRuntimeSupport.h>

#import "ThreadUtilities.h"

#import "CMenuBar.h"

/* Use THIS_FILE when it is available. */

#ifndef THIS_FILE

    #define THIS_FILE __FILE__     

#endif 

static JNF_CLASS_CACHE(sjc_ScreenMenu, "com/apple/laf/ScreenMenu");

static jint ns2awtModifiers(NSUInteger keyMods) {

    jint result = 0;

    if (keyMods & NSShiftKeyMask)        result |= java_awt_Event_SHIFT_MASK;

    if (keyMods & NSControlKeyMask)        result |= java_awt_Event_CTRL_MASK;

    if (keyMods & NSAlternateKeyMask)    result |= java_awt_Event_ALT_MASK;

    if (keyMods & NSCommandKeyMask)        result |= java_awt_Event_META_MASK;

    return result;

}

static jint ns2awtMouseButton(NSInteger mouseButton) {

    switch (mouseButton) {

        case 1: return java_awt_event_InputEvent_BUTTON1_MASK;

        case 2: return java_awt_event_InputEvent_BUTTON2_MASK;

        case 3: return java_awt_event_InputEvent_BUTTON3_MASK;

    }

    return 0;

}

@interface NativeToJavaDelegate : NSObject <JRSMenuDelegate, NSMenuDelegate>

{

@public

    NSMenu *nsmenu;

    JNFJObjectWrapper *javaObjectWrapper;

}

@property (nonatomic, retain) NSMenu *nsmenu;

@property (nonatomic, retain) JNFJObjectWrapper *javaObjectWrapper;

- (id)initFromMenu:(NSMenu *)menu javaObj:(JNFJObjectWrapper *)obj;

- (NSMenu*)menu;

@end

@implementation NativeToJavaDelegate

@synthesize nsmenu;

@synthesize javaObjectWrapper;

- (id)initFromMenu:(NSMenu *)aMenu javaObj:(JNFJObjectWrapper *)obj

{

    self = [super init];

    if (self) {

        self.nsmenu = aMenu;

        self.javaObjectWrapper = obj;

    }

    return self;

}

- (NSMenu *)menu {

    return self.nsmenu;

}

- (void)menuWillOpen:(NSMenu *)menu

{

    if (self.javaObjectWrapper == nil) {

#ifdef DEBUG

        NSLog(@"_javaObject is NULL: (%s - %s : %d)", THIS_FILE, __FUNCTION__, __LINE__);

#endif

        return;

    }

    JNIEnv *env = [ThreadUtilities getJNIEnv];

JNF_COCOA_ENTER(env);

    //NSLog(@"menuWillOpen %@", [menu title]);

    static JNF_MEMBER_CACHE(jm_ScreenMenu_invokeOpenLater, sjc_ScreenMenu, "invokeOpenLater", "()V");

    JNFCallVoidMethod(env, [self.javaObjectWrapper jObject], jm_ScreenMenu_invokeOpenLater); // AWT_THREADING Safe (AWTRunLoopMode)

JNF_COCOA_EXIT(env);

}

- (void)menuDidClose:(NSMenu *)menu

{

    if (self.javaObjectWrapper == nil) {

#ifdef DEBUG

        NSLog(@"_javaObject is NULL: (%s - %s : %d)", THIS_FILE, __FUNCTION__, __LINE__);

#endif

        return;

    }

    JNIEnv *env = [ThreadUtilities getJNIEnv];

JNF_COCOA_ENTER(env);

    //NSLog(@"menuDidClose %@", [menu title]);

    static JNF_MEMBER_CACHE(jm_ScreenMenu_invokeMenuClosing, sjc_ScreenMenu, "invokeMenuClosing", "()V");

    JNFCallVoidMethod(env, [self.javaObjectWrapper jObject], jm_ScreenMenu_invokeMenuClosing); // AWT_THREADING Safe (AWTRunLoopMode)

JNF_COCOA_EXIT(env);

}

- (void)handleJavaMenuItemTargetedAtIndex:(NSUInteger)menuIndex rect:(NSRect)rect

{

    if (self.javaObjectWrapper == nil) {

#ifdef DEBUG

        NSLog(@"_javaObject is NULL: (%s - %s : %d)", THIS_FILE, __FUNCTION__, __LINE__);

#endif

        return;

    }

    JNIEnv *env = [ThreadUtilities getJNIEnv];

JNF_COCOA_ENTER(env);

    // Send that to Java so we can test which item was hit.

    static JNF_MEMBER_CACHE(jm_ScreenMenu_updateSelectedItem, sjc_ScreenMenu, "handleItemTargeted", "(IIIII)V");

    JNFCallVoidMethod(env, [self.javaObjectWrapper jObject], jm_ScreenMenu_updateSelectedItem, menuIndex,

                    NSMinY(rect), NSMinX(rect), NSMaxY(rect), NSMaxX(rect)); // AWT_THREADING Safe (AWTRunLoopMode)

JNF_COCOA_EXIT(env);

}

// Called from event handler callback

- (void)handleJavaMouseEvent:(NSEvent *)event

{

    NSInteger kind = [event type];

    jint javaKind = 0;

    switch (kind) {

        case NSLeftMouseUp: case NSRightMouseUp: case NSOtherMouseUp:

            javaKind = java_awt_event_MouseEvent_MOUSE_RELEASED;

            break;

        case NSLeftMouseDown: case NSRightMouseDown: case NSOtherMouseDown:

            javaKind = java_awt_event_MouseEvent_MOUSE_PRESSED;

            break;

        case NSMouseMoved:

            javaKind = java_awt_event_MouseEvent_MOUSE_MOVED;

            break;

        case NSLeftMouseDragged: case NSRightMouseDragged: case NSOtherMouseDragged:

            javaKind = java_awt_event_MouseEvent_MOUSE_DRAGGED;

            break;

    }

    // Get the coordinates of the mouse in global coordinates (must be global, since our tracking rects are global.)

    NSPoint globalPoint = [event locationInWindow];

    jint javaX = globalPoint.x;

    jint javaY = globalPoint.y;

    // Convert the event modifiers into Java modifiers

    jint javaModifiers = ns2awtModifiers([event modifierFlags]) | ns2awtMouseButton([event buttonNumber]);

    // Get the event time

    jlong javaWhen = JNFNSTimeIntervalToJavaMillis([event timestamp]);

    // Call the mouse event handler, which will generate Java mouse events.

    JNIEnv *env = [ThreadUtilities getJNIEnv];

JNF_COCOA_ENTER(env);

    static JNF_MEMBER_CACHE(jm_ScreenMenu_handleMouseEvent, sjc_ScreenMenu, "handleMouseEvent", "(IIIIJ)V");

    JNFCallVoidMethod(env, [self.javaObjectWrapper jObject], jm_ScreenMenu_handleMouseEvent, javaKind, javaX, javaY, javaModifiers, javaWhen); // AWT_THREADING Safe (AWTRunLoopMode)

JNF_COCOA_EXIT(env);

}

@end

/*

 * Class:     com_apple_laf_ScreenMenu

 * Method:    addMenuListeners

 * Signature: (Lcom/apple/laf/ScreenMenu;J[J)V

 */

JNIEXPORT jlong JNICALL Java_com_apple_laf_ScreenMenu_addMenuListeners

(JNIEnv *env, jclass clz, jobject listener, jlong nativeMenu)

{

    NativeToJavaDelegate *delegate = nil;

JNF_COCOA_ENTER(env);

    JNFJObjectWrapper *wrapper = [JNFJObjectWrapper wrapperWithJObject:listener withEnv:env];

    NSMenu *menu = jlong_to_ptr(nativeMenu);

    delegate = [[[NativeToJavaDelegate alloc] initFromMenu:menu javaObj:wrapper] autorelease];

    CFRetain(delegate); // GC

    [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^{

        NSMenu *menu = delegate.nsmenu;

        if ([menu isJavaMenu]) {

            [menu setDelegate:delegate];

            [menu setJavaMenuDelegate:delegate];

        }

    }];

JNF_COCOA_EXIT(env);

    return ptr_to_jlong(delegate);

}

/*

 * Class:     com_apple_laf_ScreenMenu

 * Method:    removeMenuListeners

 * Signature: (JJ)V

 */

JNIEXPORT void JNICALL Java_com_apple_laf_ScreenMenu_removeMenuListeners

(JNIEnv *env, jclass clz, jlong fModelPtr)

{

    if (fModelPtr == 0L) return;

JNF_COCOA_ENTER(env);

    NativeToJavaDelegate *delegate = (NativeToJavaDelegate *)jlong_to_ptr(fModelPtr);

    [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^{

        NSMenu *menu = delegate.nsmenu;

        [menu setJavaMenuDelegate:nil];

        [menu setDelegate:nil];

        delegate.nsmenu = nil;

        delegate.javaObjectWrapper = nil;

    }];

    CFRelease(delegate); // GC

JNF_COCOA_EXIT(env);

}