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     [trackingArea release];
 196     [super dealloc];
 197 }
 198 
 199 - (void)setHighlighted:(BOOL)aFlag
 200 {
 201     if (isHighlighted != aFlag) {
 202         isHighlighted = aFlag;
 203         [self setNeedsDisplay:YES];
 204     }
 205 }
 206 
 207 - (void)setImage:(NSImage*)anImage {
 208     [anImage retain];
 209     [image release];
 210     image = anImage;
 211 
 212     if (image != nil) {
 213         [self setNeedsDisplay:YES];
 214     }
 215 }
 216 
 217 -(void)setTrayIcon:(AWTTrayIcon*)theTrayIcon {
 218     trayIcon = theTrayIcon;
 219 }
 220 
 221 - (void)menuWillOpen:(NSMenu *)menu
 222 {
 223     [self setHighlighted:YES];
 224 }
 225 
 226 - (void)menuDidClose:(NSMenu *)menu
 227 {
 228     [menu setDelegate:nil];
 229     [self setHighlighted:NO];
 230 }
 231 
 232 - (void)drawRect:(NSRect)dirtyRect
 233 {
 234     if (image == nil) {
 235         return;
 236     }
 237 
 238     NSRect bounds = [self bounds];
 239     NSSize imageSize = [image size];
 240 
 241     NSRect drawRect = {{ (bounds.size.width - imageSize.width) / 2.0,
 242         (bounds.size.height - imageSize.height) / 2.0 }, imageSize};
 243 
 244     // don't cover bottom pixels of the status bar with the image
 245     if (drawRect.origin.y < 1.0) {
 246         drawRect.origin.y = 1.0;
 247     }
 248     drawRect = NSIntegralRect(drawRect);
 249 
 250     [trayIcon.theItem drawStatusBarBackgroundInRect:bounds
 251                                 withHighlight:isHighlighted];
 252     [image drawInRect:drawRect
 253              fromRect:NSZeroRect
 254             operation:NSCompositeSourceOver
 255              fraction:1.0
 256      ];
 257 }
 258 
 259 - (void)mouseDown:(NSEvent *)event {
 260     [trayIcon deliverJavaMouseEvent: event];
 261 
 262     // don't show the menu on ctrl+click: it triggers ACTION event, like right click
 263     if (([event modifierFlags] & NSControlKeyMask) == 0) {
 264         //find CTrayIcon.getPopupMenuModel method and call it to get popup menu ptr.
 265         JNIEnv *env = [ThreadUtilities getJNIEnv];
 266         static JNF_CLASS_CACHE(jc_CTrayIcon, "sun/lwawt/macosx/CTrayIcon");
 267         static JNF_MEMBER_CACHE(jm_getPopupMenuModel, jc_CTrayIcon, "getPopupMenuModel", "()J");
 268         jlong res = JNFCallLongMethod(env, trayIcon.peer, jm_getPopupMenuModel);
 269 
 270         if (res != 0) {
 271             CPopupMenu *cmenu = jlong_to_ptr(res);
 272             NSMenu* menu = [cmenu menu];
 273             [menu setDelegate:self];
 274             [trayIcon.theItem popUpStatusItemMenu:menu];
 275             [self setNeedsDisplay:YES];
 276         }
 277     }
 278 }
 279 
 280 - (void) mouseUp:(NSEvent *)event {
 281     [trayIcon deliverJavaMouseEvent: event];
 282 }
 283 
 284 - (void) mouseDragged:(NSEvent *)event {
 285     [trayIcon deliverJavaMouseEvent: event];
 286 }
 287 
 288 - (void) mouseMoved: (NSEvent *)event {
 289     [trayIcon deliverJavaMouseEvent: event];
 290 }
 291 
 292 - (void) rightMouseDown:(NSEvent *)event {
 293     [trayIcon deliverJavaMouseEvent: event];
 294 }
 295 
 296 - (void) rightMouseUp:(NSEvent *)event {
 297     [trayIcon deliverJavaMouseEvent: event];
 298 }
 299 
 300 - (void) rightMouseDragged:(NSEvent *)event {
 301     [trayIcon deliverJavaMouseEvent: event];
 302 }
 303 
 304 - (void) otherMouseDown:(NSEvent *)event {
 305     [trayIcon deliverJavaMouseEvent: event];
 306 }
 307 
 308 - (void) otherMouseUp:(NSEvent *)event {
 309     [trayIcon deliverJavaMouseEvent: event];
 310 }
 311 
 312 - (void) otherMouseDragged:(NSEvent *)event {
 313     [trayIcon deliverJavaMouseEvent: event];
 314 }
 315 
 316 
 317 @end //AWTTrayIconView
 318 //================================================
 319 
 320 /*
 321  * Class:     sun_lwawt_macosx_CTrayIcon
 322  * Method:    nativeCreate
 323  * Signature: ()J
 324  */
 325 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CTrayIcon_nativeCreate
 326 (JNIEnv *env, jobject peer) {
 327     __block AWTTrayIcon *trayIcon = nil;
 328 
 329 JNF_COCOA_ENTER(env);
 330 
 331     jobject thePeer = JNFNewGlobalRef(env, peer);
 332     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 333         trayIcon = [[AWTTrayIcon alloc] initWithPeer:thePeer];
 334     }];
 335 
 336 JNF_COCOA_EXIT(env);
 337 
 338     return ptr_to_jlong(trayIcon);
 339 }
 340 
 341 
 342 /*
 343  * Class: java_awt_TrayIcon
 344  * Method: initIDs
 345  * Signature: ()V
 346  */
 347 JNIEXPORT void JNICALL Java_java_awt_TrayIcon_initIDs
 348 (JNIEnv *env, jclass cls) {
 349     //Do nothing.
 350 }
 351 
 352 /*
 353  * Class:     sun_lwawt_macosx_CTrayIcon
 354  * Method:    nativeSetToolTip
 355  * Signature: (JLjava/lang/String;)V
 356  */
 357 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CTrayIcon_nativeSetToolTip
 358 (JNIEnv *env, jobject self, jlong model, jstring jtooltip) {
 359 JNF_COCOA_ENTER(env);
 360 
 361     AWTTrayIcon *icon = jlong_to_ptr(model);
 362     NSString *tooltip = JNFJavaToNSString(env, jtooltip);
 363     [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
 364         [icon setTooltip:tooltip];
 365     }];
 366 
 367 JNF_COCOA_EXIT(env);
 368 }
 369 
 370 /*
 371  * Class:     sun_lwawt_macosx_CTrayIcon
 372  * Method:    setNativeImage
 373  * Signature: (JJZ)V
 374  */
 375 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CTrayIcon_setNativeImage
 376 (JNIEnv *env, jobject self, jlong model, jlong imagePtr, jboolean autosize) {
 377 JNF_COCOA_ENTER(env);
 378 
 379     AWTTrayIcon *icon = jlong_to_ptr(model);
 380     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 381         [icon setImage:jlong_to_ptr(imagePtr) sizing:autosize];
 382     }];
 383 
 384 JNF_COCOA_EXIT(env);
 385 }
 386 
 387 JNIEXPORT jobject JNICALL
 388 Java_sun_lwawt_macosx_CTrayIcon_nativeGetIconLocation
 389 (JNIEnv *env, jobject self, jlong model) {
 390     jobject jpt = NULL;
 391 
 392 JNF_COCOA_ENTER(env);
 393 
 394     __block NSPoint pt = NSZeroPoint;
 395     AWTTrayIcon *icon = jlong_to_ptr(model);
 396     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
 397         NSPoint loc = [icon getLocationOnScreen];
 398         pt = ConvertNSScreenPoint(env, loc);
 399     }];
 400 
 401     jpt = NSToJavaPoint(env, pt);
 402 
 403 JNF_COCOA_EXIT(env);
 404 
 405     return jpt;
 406 }