1 /*
   2  * Copyright (c) 2011, 2016, 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 "jni_util.h"
  27 
  28 #import <AppKit/AppKit.h>
  29 #import <JavaNativeFoundation/JavaNativeFoundation.h>
  30 
  31 #import "CTrayIcon.h"
  32 #import "ThreadUtilities.h"
  33 #include "GeomUtilities.h"
  34 #import "LWCToolkit.h"
  35 
  36 #define kImageInset 4.0
  37 
  38 /**
  39  * If the image of the specified size won't fit into the status bar,
  40  * then scale it down proprtionally. Otherwise, leave it as is.
  41  */
  42 static NSSize ScaledImageSizeForStatusBar(NSSize imageSize, BOOL autosize) {
  43     NSRect imageRect = NSMakeRect(0.0, 0.0, imageSize.width, imageSize.height);
  44 
  45     // There is a black line at the bottom of the status bar
  46     // that we don't want to cover with image pixels.
  47     CGFloat desiredSize = [[NSStatusBar systemStatusBar] thickness] - 1.0;
  48     if (autosize) {
  49         imageRect.size.width = desiredSize;
  50         imageRect.size.height = desiredSize;
  51     } else {
  52         CGFloat scaleFactor = MIN(1.0, desiredSize/imageSize.height);
  53         imageRect.size.width *= scaleFactor;
  54         imageRect.size.height *= scaleFactor;
  55     }
  56     imageRect = NSIntegralRect(imageRect);
  57     return imageRect.size;
  58 }
  59 
  60 @implementation AWTTrayIcon
  61 
  62 - (id) initWithPeer:(jobject)thePeer {
  63     if (!(self = [super init])) return nil;
  64 
  65     peer = thePeer;
  66 
  67     theItem = [[NSStatusBar systemStatusBar] statusItemWithLength:NSVariableStatusItemLength];
  68     [theItem retain];
  69 
  70     view = [[AWTTrayIconView alloc] initWithTrayIcon:self];
  71     [theItem setView:view];
  72 
  73     return self;
  74 }
  75 
  76 -(void) dealloc {
  77     JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
  78     JNFDeleteGlobalRef(env, peer);
  79 
  80     [[NSStatusBar systemStatusBar] removeStatusItem: theItem];
  81 
  82     // Its a bad idea to force the item to release our view by setting
  83     // the item's view to nil: it can lead to a crash in some scenarios.
  84     // The item will release the view later on, so just set the view's image
  85     // and tray icon to nil since we are done with it.
  86     [view setImage: nil];
  87     [view setTrayIcon: nil];
  88     [view release];
  89 
  90     [theItem release];
  91 
  92     [super dealloc];
  93 }
  94 
  95 - (void) setTooltip:(NSString *) tooltip{
  96     [view setToolTip:tooltip];
  97 }
  98 
  99 -(NSStatusItem *) theItem{
 100     return theItem;
 101 }
 102 
 103 - (jobject) peer{
 104     return peer;
 105 }
 106 
 107 - (void) setImage:(NSImage *) imagePtr sizing:(BOOL)autosize {
 108     NSSize imageSize = [imagePtr size];
 109     NSSize scaledSize = ScaledImageSizeForStatusBar(imageSize, autosize);
 110     if (imageSize.width != scaledSize.width ||
 111         imageSize.height != scaledSize.height) {
 112         [imagePtr setSize: scaledSize];
 113     }
 114 
 115     CGFloat itemLength = scaledSize.width + 2.0*kImageInset;
 116     [theItem setLength:itemLength];
 117 
 118     [view setImage:imagePtr];
 119 }
 120 
 121 - (NSPoint) getLocationOnScreen {
 122     return [[view window] convertBaseToScreen: NSZeroPoint];
 123 }
 124 
 125 -(void) deliverJavaMouseEvent: (NSEvent *) event {
 126     [AWTToolkit eventCountPlusPlus];
 127 
 128     JNIEnv *env = [ThreadUtilities getJNIEnv];
 129 
 130     NSPoint eventLocation = [event locationInWindow];
 131     NSPoint localPoint = [view convertPoint: eventLocation fromView: nil];
 132     localPoint.y = [view bounds].size.height - localPoint.y;
 133 
 134     NSPoint absP = [NSEvent mouseLocation];
 135     NSEventType type = [event type];
 136 
 137     NSRect screenRect = [[NSScreen mainScreen] frame];
 138     absP.y = screenRect.size.height - absP.y;
 139     jint clickCount;
 140 
 141     clickCount = [event clickCount];
 142 
 143     jdouble deltaX = [event deltaX];
 144     jdouble deltaY = [event deltaY];
 145     if ([AWTToolkit hasPreciseScrollingDeltas: event]) {
 146         deltaX = [event scrollingDeltaX] * 0.1;
 147         deltaY = [event scrollingDeltaY] * 0.1;
 148     }
 149 
 150     static JNF_CLASS_CACHE(jc_NSEvent, "sun/lwawt/macosx/NSEvent");
 151     static JNF_CTOR_CACHE(jctor_NSEvent, jc_NSEvent, "(IIIIIIIIDDI)V");
 152     jobject jEvent = JNFNewObject(env, jctor_NSEvent,
 153                                   [event type],
 154                                   [event modifierFlags],
 155                                   clickCount,
 156                                   [event buttonNumber],
 157                                   (jint)localPoint.x, (jint)localPoint.y,
 158                                   (jint)absP.x, (jint)absP.y,
 159                                   deltaY,
 160                                   deltaX,
 161                                   [AWTToolkit scrollStateWithEvent: event]);
 162     CHECK_NULL(jEvent);
 163 
 164     static JNF_CLASS_CACHE(jc_TrayIcon, "sun/lwawt/macosx/CTrayIcon");
 165     static JNF_MEMBER_CACHE(jm_handleMouseEvent, jc_TrayIcon, "handleMouseEvent", "(Lsun/lwawt/macosx/NSEvent;)V");
 166     JNFCallVoidMethod(env, peer, jm_handleMouseEvent, jEvent);
 167     (*env)->DeleteLocalRef(env, jEvent);
 168 }
 169 
 170 @end //AWTTrayIcon
 171 //================================================
 172 
 173 @implementation AWTTrayIconView
 174 
 175 -(id)initWithTrayIcon:(AWTTrayIcon *)theTrayIcon {
 176     self = [super initWithFrame:NSMakeRect(0, 0, 1, 1)];
 177 
 178     [self setTrayIcon: theTrayIcon];
 179     isHighlighted = NO;
 180     image = nil;
 181     trackingArea = nil;
 182         
 183     [self addTrackingArea];
 184         
 185     return self;
 186 }
 187 
 188 - (void)addTrackingArea {
 189     NSTrackingAreaOptions options = NSTrackingMouseMoved | 
 190                                     NSTrackingInVisibleRect | 
 191                                     NSTrackingActiveAlways;
 192     trackingArea = [[NSTrackingArea alloc] initWithRect: CGRectZero
 193                                                 options: options
 194                                                 owner: self
 195                                                 userInfo: nil];
 196     [self addTrackingArea:trackingArea];
 197 }
 198 
 199 -(void) dealloc {
 200     [image release];
 201     [trackingArea release];
 202     [super dealloc];
 203 }
 204 
 205 - (void)setHighlighted:(BOOL)aFlag
 206 {
 207     if (isHighlighted != aFlag) {
 208         isHighlighted = aFlag;
 209         [self setNeedsDisplay:YES];
 210     }
 211 }
 212 
 213 - (void)setImage:(NSImage*)anImage {
 214     [anImage retain];
 215     [image release];
 216     image = anImage;
 217 
 218     if (image != nil) {
 219         [self setNeedsDisplay:YES];
 220     }
 221 }
 222 
 223 -(void)setTrayIcon:(AWTTrayIcon*)theTrayIcon {
 224     trayIcon = theTrayIcon;
 225 }
 226 
 227 - (void)menuWillOpen:(NSMenu *)menu
 228 {
 229     [self setHighlighted:YES];
 230 }
 231 
 232 - (void)menuDidClose:(NSMenu *)menu
 233 {
 234     [menu setDelegate:nil];
 235     [self setHighlighted:NO];
 236 }
 237 
 238 - (void)drawRect:(NSRect)dirtyRect
 239 {
 240     if (image == nil) {
 241         return;
 242     }
 243 
 244     NSRect bounds = [self bounds];
 245     NSSize imageSize = [image size];
 246 
 247     NSRect drawRect = {{ (bounds.size.width - imageSize.width) / 2.0,
 248         (bounds.size.height - imageSize.height) / 2.0 }, imageSize};
 249 
 250     // don't cover bottom pixels of the status bar with the image
 251     if (drawRect.origin.y < 1.0) {
 252         drawRect.origin.y = 1.0;
 253     }
 254     drawRect = NSIntegralRect(drawRect);
 255 
 256     [trayIcon.theItem drawStatusBarBackgroundInRect:bounds
 257                                 withHighlight:isHighlighted];
 258     [image drawInRect:drawRect
 259              fromRect:NSZeroRect
 260             operation:NSCompositeSourceOver
 261              fraction:1.0
 262      ];
 263 }
 264 
 265 - (void)mouseDown:(NSEvent *)event {
 266     [trayIcon deliverJavaMouseEvent: event];
 267 
 268     // don't show the menu on ctrl+click: it triggers ACTION event, like right click
 269     if (([event modifierFlags] & NSControlKeyMask) == 0) {
 270         //find CTrayIcon.getPopupMenuModel method and call it to get popup menu ptr.
 271         JNIEnv *env = [ThreadUtilities getJNIEnv];
 272         static JNF_CLASS_CACHE(jc_CTrayIcon, "sun/lwawt/macosx/CTrayIcon");
 273         static JNF_MEMBER_CACHE(jm_getPopupMenuModel, jc_CTrayIcon, "getPopupMenuModel", "()J");
 274         jlong res = JNFCallLongMethod(env, trayIcon.peer, jm_getPopupMenuModel);
 275 
 276         if (res != 0) {
 277             CPopupMenu *cmenu = jlong_to_ptr(res);
 278             NSMenu* menu = [cmenu menu];
 279             [menu setDelegate:self];
 280             [trayIcon.theItem popUpStatusItemMenu:menu];
 281             [self setNeedsDisplay:YES];
 282         }
 283     }
 284 }
 285 
 286 - (void) mouseUp:(NSEvent *)event {
 287     [trayIcon deliverJavaMouseEvent: event];
 288 }
 289 
 290 - (void) mouseDragged:(NSEvent *)event {
 291     [trayIcon deliverJavaMouseEvent: event];
 292 }
 293 
 294 - (void) mouseMoved: (NSEvent *)event {
 295     [trayIcon deliverJavaMouseEvent: event];
 296 }
 297 
 298 - (void) rightMouseDown:(NSEvent *)event {
 299     [trayIcon deliverJavaMouseEvent: event];
 300 }
 301 
 302 - (void) rightMouseUp:(NSEvent *)event {
 303     [trayIcon deliverJavaMouseEvent: event];
 304 }
 305 
 306 - (void) rightMouseDragged:(NSEvent *)event {
 307     [trayIcon deliverJavaMouseEvent: event];
 308 }
 309 
 310 - (void) otherMouseDown:(NSEvent *)event {
 311     [trayIcon deliverJavaMouseEvent: event];
 312 }
 313 
 314 - (void) otherMouseUp:(NSEvent *)event {
 315     [trayIcon deliverJavaMouseEvent: event];
 316 }
 317 
 318 - (void) otherMouseDragged:(NSEvent *)event {
 319     [trayIcon deliverJavaMouseEvent: event];
 320 }
 321 
 322 
 323 @end //AWTTrayIconView
 324 //================================================
 325 
 326 /*
 327  * Class:     sun_lwawt_macosx_CTrayIcon
 328  * Method:    nativeCreate
 329  * Signature: ()J
 330  */
 331 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CTrayIcon_nativeCreate
 332 (JNIEnv *env, jobject peer) {
 333     __block AWTTrayIcon *trayIcon = nil;
 334 
 335 JNF_COCOA_ENTER(env);
 336 
 337     jobject thePeer = JNFNewGlobalRef(env, peer);
 338     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 339         trayIcon = [[AWTTrayIcon alloc] initWithPeer:thePeer];
 340     }];
 341 
 342 JNF_COCOA_EXIT(env);
 343 
 344     return ptr_to_jlong(trayIcon);
 345 }
 346 
 347 
 348 /*
 349  * Class: java_awt_TrayIcon
 350  * Method: initIDs
 351  * Signature: ()V
 352  */
 353 JNIEXPORT void JNICALL Java_java_awt_TrayIcon_initIDs
 354 (JNIEnv *env, jclass cls) {
 355     //Do nothing.
 356 }
 357 
 358 /*
 359  * Class:     sun_lwawt_macosx_CTrayIcon
 360  * Method:    nativeSetToolTip
 361  * Signature: (JLjava/lang/String;)V
 362  */
 363 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CTrayIcon_nativeSetToolTip
 364 (JNIEnv *env, jobject self, jlong model, jstring jtooltip) {
 365 JNF_COCOA_ENTER(env);
 366 
 367     AWTTrayIcon *icon = jlong_to_ptr(model);
 368     NSString *tooltip = JNFJavaToNSString(env, jtooltip);
 369     [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
 370         [icon setTooltip:tooltip];
 371     }];
 372 
 373 JNF_COCOA_EXIT(env);
 374 }
 375 
 376 /*
 377  * Class:     sun_lwawt_macosx_CTrayIcon
 378  * Method:    setNativeImage
 379  * Signature: (JJZ)V
 380  */
 381 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CTrayIcon_setNativeImage
 382 (JNIEnv *env, jobject self, jlong model, jlong imagePtr, jboolean autosize) {
 383 JNF_COCOA_ENTER(env);
 384 
 385     AWTTrayIcon *icon = jlong_to_ptr(model);
 386     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 387         [icon setImage:jlong_to_ptr(imagePtr) sizing:autosize];
 388     }];
 389 
 390 JNF_COCOA_EXIT(env);
 391 }
 392 
 393 JNIEXPORT jobject JNICALL
 394 Java_sun_lwawt_macosx_CTrayIcon_nativeGetIconLocation
 395 (JNIEnv *env, jobject self, jlong model) {
 396     jobject jpt = NULL;
 397 
 398 JNF_COCOA_ENTER(env);
 399 
 400     __block NSPoint pt = NSZeroPoint;
 401     AWTTrayIcon *icon = jlong_to_ptr(model);
 402     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 403         NSPoint loc = [icon getLocationOnScreen];
 404         pt = ConvertNSScreenPoint(env, loc);
 405     }];
 406 
 407     jpt = NSToJavaPoint(env, pt);
 408 
 409 JNF_COCOA_EXIT(env);
 410 
 411     return jpt;
 412 }