1 /*
   2  * Copyright (c) 2011, 2015, 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) {
  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 desiredHeight = [[NSStatusBar systemStatusBar] thickness] - 1.0;
  48     CGFloat scaleFactor = MIN(1.0, desiredHeight/imageSize.height);
  49 
  50     imageRect.size.width *= scaleFactor;
  51     imageRect.size.height *= scaleFactor;
  52     imageRect = NSIntegralRect(imageRect);
  53 
  54     return imageRect.size;
  55 }
  56 
  57 @implementation AWTTrayIcon
  58 
  59 - (id) initWithPeer:(jobject)thePeer {
  60     if (!(self = [super init])) return nil;
  61 
  62     peer = thePeer;
  63 
  64     theItem = [[NSStatusBar systemStatusBar] statusItemWithLength:NSVariableStatusItemLength];
  65     [theItem retain];
  66 
  67     view = [[AWTTrayIconView alloc] initWithTrayIcon:self];
  68     [theItem setView:view];
  69 
  70     return self;
  71 }
  72 
  73 -(void) dealloc {
  74     JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
  75     JNFDeleteGlobalRef(env, peer);
  76 
  77     [[NSStatusBar systemStatusBar] removeStatusItem: theItem];
  78 
  79     // Its a bad idea to force the item to release our view by setting
  80     // the item's view to nil: it can lead to a crash in some scenarios.
  81     // The item will release the view later on, so just set the view's image
  82     // and tray icon to nil since we are done with it.
  83     [view setImage: nil];
  84     [view setTrayIcon: nil];
  85     [view release];
  86 
  87     [theItem release];
  88 
  89     [super dealloc];
  90 }
  91 
  92 - (void) setTooltip:(NSString *) tooltip{
  93     [view setToolTip:tooltip];
  94 }
  95 
  96 -(NSStatusItem *) theItem{
  97     return theItem;
  98 }
  99 
 100 - (jobject) peer{
 101     return peer;
 102 }
 103 
 104 - (void) setImage:(NSImage *) imagePtr sizing:(BOOL)autosize{
 105     NSSize imageSize = [imagePtr size];
 106     NSSize scaledSize = ScaledImageSizeForStatusBar(imageSize);
 107     if (imageSize.width != scaledSize.width ||
 108         imageSize.height != scaledSize.height) {
 109         [imagePtr setSize: scaledSize];
 110     }
 111 
 112     CGFloat itemLength = scaledSize.width + 2.0*kImageInset;
 113     [theItem setLength:itemLength];
 114 
 115     [view setImage:imagePtr];
 116 }
 117 
 118 - (NSPoint) getLocationOnScreen {
 119     return [[view window] convertBaseToScreen: NSZeroPoint];
 120 }
 121 
 122 -(void) deliverJavaMouseEvent: (NSEvent *) event {
 123     [AWTToolkit eventCountPlusPlus];
 124 
 125     JNIEnv *env = [ThreadUtilities getJNIEnv];
 126 
 127     NSPoint eventLocation = [event locationInWindow];
 128     NSPoint localPoint = [view convertPoint: eventLocation fromView: nil];
 129     localPoint.y = [view bounds].size.height - localPoint.y;
 130 
 131     NSPoint absP = [NSEvent mouseLocation];
 132     NSEventType type = [event type];
 133 
 134     NSRect screenRect = [[NSScreen mainScreen] frame];
 135     absP.y = screenRect.size.height - absP.y;
 136     jint clickCount;
 137 
 138     clickCount = [event clickCount];
 139 
 140     static JNF_CLASS_CACHE(jc_NSEvent, "sun/lwawt/macosx/NSEvent");
 141     static JNF_CTOR_CACHE(jctor_NSEvent, jc_NSEvent, "(IIIIIIIIDD)V");
 142     jobject jEvent = JNFNewObject(env, jctor_NSEvent,
 143                                   [event type],
 144                                   [event modifierFlags],
 145                                   clickCount,
 146                                   [event buttonNumber],
 147                                   (jint)localPoint.x, (jint)localPoint.y,
 148                                   (jint)absP.x, (jint)absP.y,
 149                                   [event deltaY],
 150                                   [event deltaX]);
 151     CHECK_NULL(jEvent);
 152 
 153     static JNF_CLASS_CACHE(jc_TrayIcon, "sun/lwawt/macosx/CTrayIcon");
 154     static JNF_MEMBER_CACHE(jm_handleMouseEvent, jc_TrayIcon, "handleMouseEvent", "(Lsun/lwawt/macosx/NSEvent;)V");
 155     JNFCallVoidMethod(env, peer, jm_handleMouseEvent, jEvent);
 156     (*env)->DeleteLocalRef(env, jEvent);
 157 }
 158 
 159 @end //AWTTrayIcon
 160 //================================================
 161 
 162 @implementation AWTTrayIconView
 163 
 164 -(id)initWithTrayIcon:(AWTTrayIcon *)theTrayIcon {
 165     self = [super initWithFrame:NSMakeRect(0, 0, 1, 1)];
 166 
 167     [self setTrayIcon: theTrayIcon];
 168     isHighlighted = NO;
 169     image = nil;
 170 
 171     return self;
 172 }
 173 
 174 -(void) dealloc {
 175     [image release];
 176     [super dealloc];
 177 }
 178 
 179 - (void)setHighlighted:(BOOL)aFlag
 180 {
 181     if (isHighlighted != aFlag) {
 182         isHighlighted = aFlag;
 183         [self setNeedsDisplay:YES];
 184     }
 185 }
 186 
 187 - (void)setImage:(NSImage*)anImage {
 188     [anImage retain];
 189     [image release];
 190     image = anImage;
 191 
 192     if (image != nil) {
 193         [self setNeedsDisplay:YES];
 194     }
 195 }
 196 
 197 -(void)setTrayIcon:(AWTTrayIcon*)theTrayIcon {
 198     trayIcon = theTrayIcon;
 199 }
 200 
 201 - (void)menuWillOpen:(NSMenu *)menu
 202 {
 203     [self setHighlighted:YES];
 204 }
 205 
 206 - (void)menuDidClose:(NSMenu *)menu
 207 {
 208     [menu setDelegate:nil];
 209     [self setHighlighted:NO];
 210 }
 211 
 212 - (void)drawRect:(NSRect)dirtyRect
 213 {
 214     if (image == nil) {
 215         return;
 216     }
 217 
 218     NSRect bounds = [self bounds];
 219     NSSize imageSize = [image size];
 220 
 221     NSRect drawRect = {{ (bounds.size.width - imageSize.width) / 2.0,
 222         (bounds.size.height - imageSize.height) / 2.0 }, imageSize};
 223 
 224     // don't cover bottom pixels of the status bar with the image
 225     if (drawRect.origin.y < 1.0) {
 226         drawRect.origin.y = 1.0;
 227     }
 228     drawRect = NSIntegralRect(drawRect);
 229 
 230     [trayIcon.theItem drawStatusBarBackgroundInRect:bounds
 231                                 withHighlight:isHighlighted];
 232     [image drawInRect:drawRect
 233              fromRect:NSZeroRect
 234             operation:NSCompositeSourceOver
 235              fraction:1.0
 236      ];
 237 }
 238 
 239 - (void)mouseDown:(NSEvent *)event {
 240     [trayIcon deliverJavaMouseEvent: event];
 241 
 242     // don't show the menu on ctrl+click: it triggers ACTION event, like right click
 243     if (([event modifierFlags] & NSControlKeyMask) == 0) {
 244         //find CTrayIcon.getPopupMenuModel method and call it to get popup menu ptr.
 245         JNIEnv *env = [ThreadUtilities getJNIEnv];
 246         static JNF_CLASS_CACHE(jc_CTrayIcon, "sun/lwawt/macosx/CTrayIcon");
 247         static JNF_MEMBER_CACHE(jm_getPopupMenuModel, jc_CTrayIcon, "getPopupMenuModel", "()J");
 248         jlong res = JNFCallLongMethod(env, trayIcon.peer, jm_getPopupMenuModel);
 249 
 250         if (res != 0) {
 251             CPopupMenu *cmenu = jlong_to_ptr(res);
 252             NSMenu* menu = [cmenu menu];
 253             [menu setDelegate:self];
 254             [trayIcon.theItem popUpStatusItemMenu:menu];
 255             [self setNeedsDisplay:YES];
 256         }
 257     }
 258 }
 259 
 260 - (void) mouseUp:(NSEvent *)event {
 261     [trayIcon deliverJavaMouseEvent: event];
 262 }
 263 
 264 - (void) mouseDragged:(NSEvent *)event {
 265     [trayIcon deliverJavaMouseEvent: event];
 266 }
 267 
 268 - (void) rightMouseDown:(NSEvent *)event {
 269     [trayIcon deliverJavaMouseEvent: event];
 270 }
 271 
 272 - (void) rightMouseUp:(NSEvent *)event {
 273     [trayIcon deliverJavaMouseEvent: event];
 274 }
 275 
 276 - (void) rightMouseDragged:(NSEvent *)event {
 277     [trayIcon deliverJavaMouseEvent: event];
 278 }
 279 
 280 - (void) otherMouseDown:(NSEvent *)event {
 281     [trayIcon deliverJavaMouseEvent: event];
 282 }
 283 
 284 - (void) otherMouseUp:(NSEvent *)event {
 285     [trayIcon deliverJavaMouseEvent: event];
 286 }
 287 
 288 - (void) otherMouseDragged:(NSEvent *)event {
 289     [trayIcon deliverJavaMouseEvent: event];
 290 }
 291 
 292 
 293 @end //AWTTrayIconView
 294 //================================================
 295 
 296 /*
 297  * Class:     sun_lwawt_macosx_CTrayIcon
 298  * Method:    nativeCreate
 299  * Signature: ()J
 300  */
 301 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CTrayIcon_nativeCreate
 302 (JNIEnv *env, jobject peer) {
 303     __block AWTTrayIcon *trayIcon = nil;
 304 
 305 JNF_COCOA_ENTER(env);
 306 
 307     jobject thePeer = JNFNewGlobalRef(env, peer);
 308     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 309         trayIcon = [[AWTTrayIcon alloc] initWithPeer:thePeer];
 310     }];
 311 
 312 JNF_COCOA_EXIT(env);
 313 
 314     return ptr_to_jlong(trayIcon);
 315 }
 316 
 317 
 318 /*
 319  * Class: java_awt_TrayIcon
 320  * Method: initIDs
 321  * Signature: ()V
 322  */
 323 JNIEXPORT void JNICALL Java_java_awt_TrayIcon_initIDs
 324 (JNIEnv *env, jclass cls) {
 325     //Do nothing.
 326 }
 327 
 328 /*
 329  * Class:     sun_lwawt_macosx_CTrayIcon
 330  * Method:    nativeSetToolTip
 331  * Signature: (JLjava/lang/String;)V
 332  */
 333 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CTrayIcon_nativeSetToolTip
 334 (JNIEnv *env, jobject self, jlong model, jstring jtooltip) {
 335 JNF_COCOA_ENTER(env);
 336 
 337     AWTTrayIcon *icon = jlong_to_ptr(model);
 338     NSString *tooltip = JNFJavaToNSString(env, jtooltip);
 339     [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
 340         [icon setTooltip:tooltip];
 341     }];
 342 
 343 JNF_COCOA_EXIT(env);
 344 }
 345 
 346 /*
 347  * Class:     sun_lwawt_macosx_CTrayIcon
 348  * Method:    setNativeImage
 349  * Signature: (JJZ)V
 350  */
 351 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CTrayIcon_setNativeImage
 352 (JNIEnv *env, jobject self, jlong model, jlong imagePtr, jboolean autosize) {
 353 JNF_COCOA_ENTER(env);
 354 
 355     AWTTrayIcon *icon = jlong_to_ptr(model);
 356     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 357         [icon setImage:jlong_to_ptr(imagePtr) sizing:autosize];
 358     }];
 359 
 360 JNF_COCOA_EXIT(env);
 361 }
 362 
 363 JNIEXPORT jobject JNICALL
 364 Java_sun_lwawt_macosx_CTrayIcon_nativeGetIconLocation
 365 (JNIEnv *env, jobject self, jlong model) {
 366     jobject jpt = NULL;
 367 
 368 JNF_COCOA_ENTER(env);
 369 
 370     __block NSPoint pt = NSZeroPoint;
 371     AWTTrayIcon *icon = jlong_to_ptr(model);
 372     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 373         NSPoint loc = [icon getLocationOnScreen];
 374         pt = ConvertNSScreenPoint(env, loc);
 375     }];
 376 
 377     jpt = NSToJavaPoint(env, pt);
 378 
 379 JNF_COCOA_EXIT(env);
 380 
 381     return jpt;
 382 }
--- EOF ---