1 /*
   2  * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 


  26 #import <AppKit/AppKit.h>
  27 #import <JavaNativeFoundation/JavaNativeFoundation.h>
  28 #import "jni_util.h"
  29 
  30 #import "CTrayIcon.h"
  31 #import "ThreadUtilities.h"
  32 #include "GeomUtilities.h"
  33 #import "LWCToolkit.h"
  34 
  35 #define kImageInset 4.0
  36 
  37 /**
  38  * If the image of the specified size won't fit into the status bar,
  39  * then scale it down proprtionally. Otherwise, leave it as is.
  40  */
  41 static NSSize ScaledImageSizeForStatusBar(NSSize imageSize) {
  42     NSRect imageRect = NSMakeRect(0.0, 0.0, imageSize.width, imageSize.height);
  43 
  44     // There is a black line at the bottom of the status bar
  45     // that we don't want to cover with image pixels.
  46     CGFloat desiredHeight = [[NSStatusBar systemStatusBar] thickness] - 1.0;
  47     CGFloat scaleFactor = MIN(1.0, desiredHeight/imageSize.height);
  48 
  49     imageRect.size.width *= scaleFactor;
  50     imageRect.size.height *= scaleFactor;
  51     imageRect = NSIntegralRect(imageRect);
  52 
  53     return imageRect.size;
  54 }
  55 
  56 @implementation AWTTrayIcon
  57 
  58 - (id) initWithPeer:(jobject)thePeer {
  59     if (!(self = [super init])) return nil;
  60 
  61     peer = thePeer;
  62 
  63     theItem = [[NSStatusBar systemStatusBar] statusItemWithLength:NSVariableStatusItemLength];
  64     [theItem retain];
  65 
  66     view = [[AWTTrayIconView alloc] initWithTrayIcon:self];
  67     [theItem setView:view];
  68 
  69     return self;
  70 }
  71 
  72 -(void) dealloc {
  73     JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
  74     JNFDeleteGlobalRef(env, peer);
  75 
  76     [[NSStatusBar systemStatusBar] removeStatusItem: theItem];
  77 
  78     // Its a bad idea to force the item to release our view by setting
  79     // the item's view to nil: it can lead to a crash in some scenarios.
  80     // The item will release the view later on, so just set the view's image
  81     // and tray icon to nil since we are done with it.
  82     [view setImage: nil];
  83     [view setTrayIcon: nil];
  84     [view release];
  85 
  86     [theItem release];
  87 
  88     [super dealloc];
  89 }
  90 
  91 - (void) setTooltip:(NSString *) tooltip{
  92     [view setToolTip:tooltip];
  93 }
  94 
  95 -(NSStatusItem *) theItem{
  96     return theItem;
  97 }
  98 
  99 - (jobject) peer{
 100     return peer;
 101 }
 102 
 103 - (void) setImage:(NSImage *) imagePtr sizing:(BOOL)autosize{
 104     NSSize imageSize = [imagePtr size];
 105     NSSize scaledSize = ScaledImageSizeForStatusBar(imageSize);
 106     if (imageSize.width != scaledSize.width ||
 107         imageSize.height != scaledSize.height) {
 108         [imagePtr setSize: scaledSize];
 109     }
 110 
 111     CGFloat itemLength = scaledSize.width + 2.0*kImageInset;
 112     [theItem setLength:itemLength];
 113 
 114     [view setImage:imagePtr];
 115 }
 116 
 117 - (NSPoint) getLocationOnScreen {
 118     return [[view window] convertBaseToScreen: NSZeroPoint];
 119 }
 120 
 121 -(void) deliverJavaMouseEvent: (NSEvent *) event {
 122     [AWTToolkit eventCountPlusPlus];
 123 
 124     JNIEnv *env = [ThreadUtilities getJNIEnv];
 125 
 126     NSPoint eventLocation = [event locationInWindow];
 127     NSPoint localPoint = [view convertPoint: eventLocation fromView: nil];
 128     localPoint.y = [view bounds].size.height - localPoint.y;
 129 
 130     NSPoint absP = [NSEvent mouseLocation];
 131     NSEventType type = [event type];
 132 
 133     NSRect screenRect = [[NSScreen mainScreen] frame];
 134     absP.y = screenRect.size.height - absP.y;
 135     jint clickCount;
 136 
 137     clickCount = [event clickCount];
 138 
 139     static JNF_CLASS_CACHE(jc_NSEvent, "sun/lwawt/macosx/NSEvent");
 140     static JNF_CTOR_CACHE(jctor_NSEvent, jc_NSEvent, "(IIIIIIIIDD)V");
 141     jobject jEvent = JNFNewObject(env, jctor_NSEvent,
 142                                   [event type],
 143                                   [event modifierFlags],
 144                                   clickCount,
 145                                   [event buttonNumber],
 146                                   (jint)localPoint.x, (jint)localPoint.y,
 147                                   (jint)absP.x, (jint)absP.y,
 148                                   [event deltaY],
 149                                   [event deltaX]);
 150     CHECK_NULL(jEvent);
 151 
 152     static JNF_CLASS_CACHE(jc_TrayIcon, "sun/lwawt/macosx/CTrayIcon");
 153     static JNF_MEMBER_CACHE(jm_handleMouseEvent, jc_TrayIcon, "handleMouseEvent", "(Lsun/lwawt/macosx/NSEvent;)V");
 154     JNFCallVoidMethod(env, peer, jm_handleMouseEvent, jEvent);
 155     (*env)->DeleteLocalRef(env, jEvent);
 156 }
 157 
 158 @end //AWTTrayIcon
 159 //================================================
 160 
 161 @implementation AWTTrayIconView
 162 
 163 -(id)initWithTrayIcon:(AWTTrayIcon *)theTrayIcon {
 164     self = [super initWithFrame:NSMakeRect(0, 0, 1, 1)];
 165 
 166     [self setTrayIcon: theTrayIcon];
 167     isHighlighted = NO;
 168     image = nil;
 169 
 170     return self;
 171 }
 172 
 173 -(void) dealloc {
 174     [image release];
 175     [super dealloc];
 176 }
 177 
 178 - (void)setHighlighted:(BOOL)aFlag
 179 {
 180     if (isHighlighted != aFlag) {
 181         isHighlighted = aFlag;
 182         [self setNeedsDisplay:YES];
 183     }
 184 }
 185 
 186 - (void)setImage:(NSImage*)anImage {
 187     [anImage retain];
 188     [image release];
 189     image = anImage;
 190 
 191     if (image != nil) {
 192         [self setNeedsDisplay:YES];
 193     }
 194 }
 195 
 196 -(void)setTrayIcon:(AWTTrayIcon*)theTrayIcon {
 197     trayIcon = theTrayIcon;
 198 }
 199 
 200 - (void)menuWillOpen:(NSMenu *)menu
 201 {
 202     [self setHighlighted:YES];
 203 }
 204 
 205 - (void)menuDidClose:(NSMenu *)menu
 206 {
 207     [menu setDelegate:nil];
 208     [self setHighlighted:NO];
 209 }
 210 
 211 - (void)drawRect:(NSRect)dirtyRect
 212 {
 213     if (image == nil) {
 214         return;
 215     }
 216 
 217     NSRect bounds = [self bounds];
 218     NSSize imageSize = [image size];
 219 
 220     NSRect drawRect = {{ (bounds.size.width - imageSize.width) / 2.0,
 221         (bounds.size.height - imageSize.height) / 2.0 }, imageSize};
 222 
 223     // don't cover bottom pixels of the status bar with the image
 224     if (drawRect.origin.y < 1.0) {
 225         drawRect.origin.y = 1.0;
 226     }
 227     drawRect = NSIntegralRect(drawRect);
 228 
 229     [trayIcon.theItem drawStatusBarBackgroundInRect:bounds
 230                                 withHighlight:isHighlighted];
 231     [image drawInRect:drawRect
 232              fromRect:NSZeroRect
 233             operation:NSCompositeSourceOver
 234              fraction:1.0
 235      ];
 236 }
 237 
 238 - (void)mouseDown:(NSEvent *)event {
 239     [trayIcon deliverJavaMouseEvent: event];
 240 
 241     // don't show the menu on ctrl+click: it triggers ACTION event, like right click
 242     if (([event modifierFlags] & NSControlKeyMask) == 0) {
 243         //find CTrayIcon.getPopupMenuModel method and call it to get popup menu ptr.
 244         JNIEnv *env = [ThreadUtilities getJNIEnv];
 245         static JNF_CLASS_CACHE(jc_CTrayIcon, "sun/lwawt/macosx/CTrayIcon");
 246         static JNF_MEMBER_CACHE(jm_getPopupMenuModel, jc_CTrayIcon, "getPopupMenuModel", "()J");
 247         jlong res = JNFCallLongMethod(env, trayIcon.peer, jm_getPopupMenuModel);
 248 
 249         if (res != 0) {
 250             CPopupMenu *cmenu = jlong_to_ptr(res);
 251             NSMenu* menu = [cmenu menu];
 252             [menu setDelegate:self];
 253             [trayIcon.theItem popUpStatusItemMenu:menu];
 254             [self setNeedsDisplay:YES];
 255         }
 256     }
 257 }
 258 
 259 - (void) mouseUp:(NSEvent *)event {
 260     [trayIcon deliverJavaMouseEvent: event];
 261 }
 262 
 263 - (void) mouseDragged:(NSEvent *)event {
 264     [trayIcon deliverJavaMouseEvent: event];
 265 }
 266 
 267 - (void) rightMouseDown:(NSEvent *)event {
 268     [trayIcon deliverJavaMouseEvent: event];
 269 }
 270 
 271 - (void) rightMouseUp:(NSEvent *)event {
 272     [trayIcon deliverJavaMouseEvent: event];
 273 }
 274 
 275 - (void) rightMouseDragged:(NSEvent *)event {
 276     [trayIcon deliverJavaMouseEvent: event];
 277 }
 278 
 279 - (void) otherMouseDown:(NSEvent *)event {
 280     [trayIcon deliverJavaMouseEvent: event];
 281 }
 282 
 283 - (void) otherMouseUp:(NSEvent *)event {
 284     [trayIcon deliverJavaMouseEvent: event];
 285 }
 286 
 287 - (void) otherMouseDragged:(NSEvent *)event {
 288     [trayIcon deliverJavaMouseEvent: event];
 289 }
 290 
 291 
 292 @end //AWTTrayIconView
 293 //================================================
 294 
 295 /*
 296  * Class:     sun_lwawt_macosx_CTrayIcon
 297  * Method:    nativeCreate
 298  * Signature: ()J
 299  */
 300 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CTrayIcon_nativeCreate
 301 (JNIEnv *env, jobject peer) {
 302     __block AWTTrayIcon *trayIcon = nil;
 303 
 304 JNF_COCOA_ENTER(env);
 305 
 306     jobject thePeer = JNFNewGlobalRef(env, peer);
 307     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 308         trayIcon = [[AWTTrayIcon alloc] initWithPeer:thePeer];
 309     }];
 310 
 311 JNF_COCOA_EXIT(env);
 312 
 313     return ptr_to_jlong(trayIcon);
 314 }
 315 
 316 
 317 /*
 318  * Class: java_awt_TrayIcon
 319  * Method: initIDs
 320  * Signature: ()V
 321  */
 322 JNIEXPORT void JNICALL Java_java_awt_TrayIcon_initIDs
 323 (JNIEnv *env, jclass cls) {
 324     //Do nothing.
 325 }
 326 
 327 /*
 328  * Class:     sun_lwawt_macosx_CTrayIcon
 329  * Method:    nativeSetToolTip
 330  * Signature: (JLjava/lang/String;)V
 331  */
 332 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CTrayIcon_nativeSetToolTip
 333 (JNIEnv *env, jobject self, jlong model, jstring jtooltip) {
 334 JNF_COCOA_ENTER(env);
 335 
 336     AWTTrayIcon *icon = jlong_to_ptr(model);
 337     NSString *tooltip = JNFJavaToNSString(env, jtooltip);
 338     [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
 339         [icon setTooltip:tooltip];
 340     }];
 341 
 342 JNF_COCOA_EXIT(env);
 343 }
 344 
 345 /*
 346  * Class:     sun_lwawt_macosx_CTrayIcon
 347  * Method:    setNativeImage
 348  * Signature: (JJZ)V
 349  */
 350 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CTrayIcon_setNativeImage
 351 (JNIEnv *env, jobject self, jlong model, jlong imagePtr, jboolean autosize) {
 352 JNF_COCOA_ENTER(env);
 353 
 354     AWTTrayIcon *icon = jlong_to_ptr(model);
 355     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 356         [icon setImage:jlong_to_ptr(imagePtr) sizing:autosize];
 357     }];
 358 
 359 JNF_COCOA_EXIT(env);
 360 }
 361 
 362 JNIEXPORT jobject JNICALL
 363 Java_sun_lwawt_macosx_CTrayIcon_nativeGetIconLocation
 364 (JNIEnv *env, jobject self, jlong model) {
 365     jobject jpt = NULL;
 366 
 367 JNF_COCOA_ENTER(env);
 368 
 369     __block NSPoint pt = NSZeroPoint;
 370     AWTTrayIcon *icon = jlong_to_ptr(model);
 371     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 372         NSPoint loc = [icon getLocationOnScreen];
 373         pt = ConvertNSScreenPoint(env, loc);
 374     }];
 375 
 376     jpt = NSToJavaPoint(env, pt);
 377 
 378 JNF_COCOA_EXIT(env);
 379 
 380     return jpt;
 381 }
--- EOF ---