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     static JNF_CLASS_CACHE(jc_NSEvent, "sun/lwawt/macosx/NSEvent");
 144     static JNF_CTOR_CACHE(jctor_NSEvent, jc_NSEvent, "(IIIIIIIIDD)V");
 145     jobject jEvent = JNFNewObject(env, jctor_NSEvent,
 146                                   [event type],
 147                                   [event modifierFlags],
 148                                   clickCount,
 149                                   [event buttonNumber],
 150                                   (jint)localPoint.x, (jint)localPoint.y,
 151                                   (jint)absP.x, (jint)absP.y,
 152                                   [event deltaY],
 153                                   [event deltaX]);
 154     CHECK_NULL(jEvent);
 155 
 156     static JNF_CLASS_CACHE(jc_TrayIcon, "sun/lwawt/macosx/CTrayIcon");
 157     static JNF_MEMBER_CACHE(jm_handleMouseEvent, jc_TrayIcon, "handleMouseEvent", "(Lsun/lwawt/macosx/NSEvent;)V");
 158     JNFCallVoidMethod(env, peer, jm_handleMouseEvent, jEvent);
 159     (*env)->DeleteLocalRef(env, jEvent);
 160 }
 161 
 162 @end //AWTTrayIcon
 163 //================================================
 164 
 165 @implementation AWTTrayIconView
 166 
 167 -(id)initWithTrayIcon:(AWTTrayIcon *)theTrayIcon {
 168     self = [super initWithFrame:NSMakeRect(0, 0, 1, 1)];
 169 
 170     [self setTrayIcon: theTrayIcon];
 171     isHighlighted = NO;
 172     image = nil;
 173     [self addTrackingArea];
 174         
 175     return self;
 176 }
 177 
 178 - (void)addTrackingArea {
 179     if (trackingArea) {
 180         [self removeTrackingArea:trackingArea];
 181     }
 182         
 183     NSTrackingAreaOptions options = NSTrackingMouseMoved | 
 184                                     NSTrackingInVisibleRect | 
 185                                     NSTrackingActiveAlways;
 186     trackingArea = [[NSTrackingArea alloc] initWithRect: CGRectZero
 187                                                 options: options
 188                                                 owner: self
 189                                                 userInfo: nil];
 190     [self addTrackingArea:trackingArea];
 191 }
 192 
 193 -(void) dealloc {
 194     [image release];
 195     [super dealloc];
 196 }
 197 
 198 - (void)setHighlighted:(BOOL)aFlag
 199 {
 200     if (isHighlighted != aFlag) {
 201         isHighlighted = aFlag;
 202         [self setNeedsDisplay:YES];
 203     }
 204 }
 205 
 206 - (void)setImage:(NSImage*)anImage {
 207     [anImage retain];
 208     [image release];
 209     image = anImage;
 210 
 211     if (image != nil) {
 212         [self setNeedsDisplay:YES];
 213     }
 214 }
 215 
 216 -(void)setTrayIcon:(AWTTrayIcon*)theTrayIcon {
 217     trayIcon = theTrayIcon;
 218 }
 219 
 220 - (void)menuWillOpen:(NSMenu *)menu
 221 {
 222     [self setHighlighted:YES];
 223 }
 224 
 225 - (void)menuDidClose:(NSMenu *)menu
 226 {
 227     [menu setDelegate:nil];
 228     [self setHighlighted:NO];
 229 }
 230 
 231 - (void)drawRect:(NSRect)dirtyRect
 232 {
 233     if (image == nil) {
 234         return;
 235     }
 236 
 237     NSRect bounds = [self bounds];
 238     NSSize imageSize = [image size];
 239 
 240     NSRect drawRect = {{ (bounds.size.width - imageSize.width) / 2.0,
 241         (bounds.size.height - imageSize.height) / 2.0 }, imageSize};
 242 
 243     // don't cover bottom pixels of the status bar with the image
 244     if (drawRect.origin.y < 1.0) {
 245         drawRect.origin.y = 1.0;
 246     }
 247     drawRect = NSIntegralRect(drawRect);
 248 
 249     [trayIcon.theItem drawStatusBarBackgroundInRect:bounds
 250                                 withHighlight:isHighlighted];
 251     [image drawInRect:drawRect
 252              fromRect:NSZeroRect
 253             operation:NSCompositeSourceOver
 254              fraction:1.0
 255      ];
 256 }
 257 
 258 - (void)mouseDown:(NSEvent *)event {
 259     [trayIcon deliverJavaMouseEvent: event];
 260 
 261     // don't show the menu on ctrl+click: it triggers ACTION event, like right click
 262     if (([event modifierFlags] & NSControlKeyMask) == 0) {
 263         //find CTrayIcon.getPopupMenuModel method and call it to get popup menu ptr.
 264         JNIEnv *env = [ThreadUtilities getJNIEnv];
 265         static JNF_CLASS_CACHE(jc_CTrayIcon, "sun/lwawt/macosx/CTrayIcon");
 266         static JNF_MEMBER_CACHE(jm_getPopupMenuModel, jc_CTrayIcon, "getPopupMenuModel", "()J");
 267         jlong res = JNFCallLongMethod(env, trayIcon.peer, jm_getPopupMenuModel);
 268 
 269         if (res != 0) {
 270             CPopupMenu *cmenu = jlong_to_ptr(res);
 271             NSMenu* menu = [cmenu menu];
 272             [menu setDelegate:self];
 273             [trayIcon.theItem popUpStatusItemMenu:menu];
 274             [self setNeedsDisplay:YES];
 275         }
 276     }
 277 }
 278 
 279 - (void) mouseUp:(NSEvent *)event {
 280     [trayIcon deliverJavaMouseEvent: event];
 281 }
 282 
 283 - (void) mouseDragged:(NSEvent *)event {
 284     [trayIcon deliverJavaMouseEvent: event];
 285 }
 286 
 287 - (void) mouseMoved: (NSEvent *)event {
 288     [trayIcon deliverJavaMouseEvent: event];
 289 }
 290 
 291 - (void) rightMouseDown:(NSEvent *)event {
 292     [trayIcon deliverJavaMouseEvent: event];
 293 }
 294 
 295 - (void) rightMouseUp:(NSEvent *)event {
 296     [trayIcon deliverJavaMouseEvent: event];
 297 }
 298 
 299 - (void) rightMouseDragged:(NSEvent *)event {
 300     [trayIcon deliverJavaMouseEvent: event];
 301 }
 302 
 303 - (void) otherMouseDown:(NSEvent *)event {
 304     [trayIcon deliverJavaMouseEvent: event];
 305 }
 306 
 307 - (void) otherMouseUp:(NSEvent *)event {
 308     [trayIcon deliverJavaMouseEvent: event];
 309 }
 310 
 311 - (void) otherMouseDragged:(NSEvent *)event {
 312     [trayIcon deliverJavaMouseEvent: event];
 313 }
 314 
 315 
 316 @end //AWTTrayIconView
 317 //================================================
 318 
 319 /*
 320  * Class:     sun_lwawt_macosx_CTrayIcon
 321  * Method:    nativeCreate
 322  * Signature: ()J
 323  */
 324 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CTrayIcon_nativeCreate
 325 (JNIEnv *env, jobject peer) {
 326     __block AWTTrayIcon *trayIcon = nil;
 327 
 328 JNF_COCOA_ENTER(env);
 329 
 330     jobject thePeer = JNFNewGlobalRef(env, peer);
 331     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 332         trayIcon = [[AWTTrayIcon alloc] initWithPeer:thePeer];
 333     }];
 334 
 335 JNF_COCOA_EXIT(env);
 336 
 337     return ptr_to_jlong(trayIcon);
 338 }
 339 
 340 
 341 /*
 342  * Class: java_awt_TrayIcon
 343  * Method: initIDs
 344  * Signature: ()V
 345  */
 346 JNIEXPORT void JNICALL Java_java_awt_TrayIcon_initIDs
 347 (JNIEnv *env, jclass cls) {
 348     //Do nothing.
 349 }
 350 
 351 /*
 352  * Class:     sun_lwawt_macosx_CTrayIcon
 353  * Method:    nativeSetToolTip
 354  * Signature: (JLjava/lang/String;)V
 355  */
 356 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CTrayIcon_nativeSetToolTip
 357 (JNIEnv *env, jobject self, jlong model, jstring jtooltip) {
 358 JNF_COCOA_ENTER(env);
 359 
 360     AWTTrayIcon *icon = jlong_to_ptr(model);
 361     NSString *tooltip = JNFJavaToNSString(env, jtooltip);
 362     [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
 363         [icon setTooltip:tooltip];
 364     }];
 365 
 366 JNF_COCOA_EXIT(env);
 367 }
 368 
 369 /*
 370  * Class:     sun_lwawt_macosx_CTrayIcon
 371  * Method:    setNativeImage
 372  * Signature: (JJZ)V
 373  */
 374 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CTrayIcon_setNativeImage
 375 (JNIEnv *env, jobject self, jlong model, jlong imagePtr, jboolean autosize) {
 376 JNF_COCOA_ENTER(env);
 377 
 378     AWTTrayIcon *icon = jlong_to_ptr(model);
 379     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 380         [icon setImage:jlong_to_ptr(imagePtr) sizing:autosize];
 381     }];
 382 
 383 JNF_COCOA_EXIT(env);
 384 }
 385 
 386 JNIEXPORT jobject JNICALL
 387 Java_sun_lwawt_macosx_CTrayIcon_nativeGetIconLocation
 388 (JNIEnv *env, jobject self, jlong model) {
 389     jobject jpt = NULL;
 390 
 391 JNF_COCOA_ENTER(env);
 392 
 393     __block NSPoint pt = NSZeroPoint;
 394     AWTTrayIcon *icon = jlong_to_ptr(model);
 395     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 396         NSPoint loc = [icon getLocationOnScreen];
 397         pt = ConvertNSScreenPoint(env, loc);
 398     }];
 399 
 400     jpt = NSToJavaPoint(env, pt);
 401 
 402 JNF_COCOA_EXIT(env);
 403 
 404     return jpt;
 405 }
--- EOF ---