jdk/src/macosx/native/sun/awt/LWCToolkit.m
changeset 12047 320a714614e9
child 12177 7b84ed7d0efa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/macosx/native/sun/awt/LWCToolkit.m	Tue Mar 06 20:34:38 2012 +0000
@@ -0,0 +1,455 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#import <dlfcn.h>
+#import <JavaNativeFoundation/JavaNativeFoundation.h>
+
+#include "jni_util.h"
+#import "CMenuBar.h"
+#import "InitIDs.h"
+#import "LWCToolkit.h"
+#import "ThreadUtilities.h"
+#import "AWT_debug.h"
+#import "CSystemColors.h"
+
+#import "sun_lwawt_macosx_LWCToolkit.h"
+
+int gNumberOfButtons;
+jint* gButtonDownMasks;
+
+@implementation AWTToolkit
+
+static long eventCount;
+
++ (long) getEventCount{
+    return eventCount;
+}
+
++ (void) eventCountPlusPlus{
+    eventCount++;
+}
+
+@end
+
+
+@interface AWTRunLoopObject : NSObject {
+    BOOL _shouldEndRunLoop;
+}
+@end
+
+@implementation AWTRunLoopObject
+
+- (id) init {
+    self = [super init];
+    if (self != nil) {
+        _shouldEndRunLoop = NO;
+    }
+    return self;
+}
+
+- (BOOL) shouldEndRunLoop {
+    return _shouldEndRunLoop;
+}
+
+- (void) endRunLoop {
+    _shouldEndRunLoop = YES;
+}
+
+@end
+
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    nativeSyncQueue
+ * Signature: (J)Z
+ */
+JNIEXPORT jboolean JNICALL Java_sun_lwawt_macosx_LWCToolkit_nativeSyncQueue
+(JNIEnv *env, jobject self, jlong timeout)
+{
+    int currentEventNum = [AWTToolkit getEventCount];
+
+    [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){}];
+
+    if (([AWTToolkit getEventCount] - currentEventNum) != 0) {
+        return JNI_TRUE;
+    }
+
+    return JNI_FALSE;
+}
+
+
+static JNF_CLASS_CACHE(jc_Component, "java/awt/Component");
+static JNF_MEMBER_CACHE(jf_Component_appContext, jc_Component, "appContext", "Lsun/awt/AppContext;");
+static JNF_CLASS_CACHE(jc_MenuComponent, "java/awt/MenuComponent");
+static JNF_MEMBER_CACHE(jf_MenuComponent_appContext, jc_MenuComponent, "appContext", "Lsun/awt/AppContext;");
+
+/*
+ * Class:     sun_awt_SunToolkit
+ * Method:    getAppContext
+ * Signature: (Ljava/awt/Object;)Lsun/awt/AppContext;
+ */
+JNIEXPORT jobject JNICALL
+Java_sun_awt_SunToolkit_getAppContext
+(JNIEnv *env, jclass cls, jobject obj)
+{
+    jobject appContext = NULL;
+
+JNF_COCOA_ENTER(env);
+
+    if (JNFIsInstanceOf(env, obj, &jc_Component)) {
+        appContext = JNFGetObjectField(env, obj, jf_Component_appContext);
+    } else if (JNFIsInstanceOf(env, obj, &jc_MenuComponent)) {
+        appContext = JNFGetObjectField(env, obj, jf_MenuComponent_appContext);
+    }
+
+JNF_COCOA_EXIT(env);
+
+    return appContext;
+}
+
+/*
+ * Class:     sun_awt_SunToolkit
+ * Method:    setAppContext
+ * Signature: (Ljava/lang/Object;Lsun/awt/AppContext;)Z
+ */
+JNIEXPORT jboolean JNICALL
+Java_sun_awt_SunToolkit_setAppContext
+(JNIEnv *env, jclass cls, jobject obj, jobject appContext)
+{
+    jboolean isComponent;
+
+JNF_COCOA_ENTER(env);
+
+    if (JNFIsInstanceOf(env, obj, &jc_Component)) {
+        JNFSetObjectField(env, obj, jf_Component_appContext, appContext);
+        isComponent = JNI_TRUE;
+    } else if (JNFIsInstanceOf(env, obj, &jc_MenuComponent)) {
+        JNFSetObjectField(env, obj, jf_MenuComponent_appContext, appContext);
+        isComponent = JNI_FALSE;
+    }
+
+JNF_COCOA_EXIT(env);
+
+    return isComponent;
+}
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    beep
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL
+Java_sun_lwawt_macosx_LWCToolkit_beep
+(JNIEnv *env, jobject self)
+{
+    NSBeep(); // produces both sound and visual flash, if configured in System Preferences
+}
+
+CGDirectDisplayID
+FindCGDirectDisplayIDForScreenIndex(jint screenIndex)
+{
+    // most common case - just one monitor
+    CGDirectDisplayID screenID = CGMainDisplayID();
+
+    CGDisplayCount displayCount = 0;
+    CGGetOnlineDisplayList(0, NULL, &displayCount);
+
+    if ((displayCount > 1) &&
+        (screenIndex >= 0) &&
+        (screenIndex < (jint)displayCount))
+    {
+        if (displayCount < 10) {
+            // stack allocated optimization for less than 10 monitors
+            CGDirectDisplayID onlineDisplays[displayCount];
+            CGGetOnlineDisplayList(displayCount, onlineDisplays, &displayCount);
+            screenID = (CGDirectDisplayID)onlineDisplays[screenIndex];
+        } else {
+            CGDirectDisplayID *onlineDisplays =
+            malloc(displayCount*sizeof(CGDirectDisplayID));
+            if (onlineDisplays != NULL) {
+                CGGetOnlineDisplayList(displayCount, onlineDisplays,
+                                       &displayCount);
+                screenID = (CGDirectDisplayID)onlineDisplays[screenIndex];
+                free(onlineDisplays);
+            }
+        }
+    }
+
+    return screenID;
+}
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    initIDs
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL
+Java_sun_lwawt_macosx_LWCToolkit_initIDs
+(JNIEnv *env, jclass klass) {
+    // set thread names
+    dispatch_async(dispatch_get_main_queue(), ^(void){
+        [[NSThread currentThread] setName:@"AppKit Thread"];
+
+        JNIEnv *env = [ThreadUtilities getJNIEnv];
+        static JNF_CLASS_CACHE(jc_LWCToolkit, "sun/lwawt/macosx/LWCToolkit");
+        static JNF_STATIC_MEMBER_CACHE(jsm_installToolkitThreadNameInJava, jc_LWCToolkit, "installToolkitThreadNameInJava", "()V");
+        JNFCallStaticVoidMethod(env, jsm_installToolkitThreadNameInJava);
+    });
+
+    gNumberOfButtons = sun_lwawt_macosx_LWCToolkit_BUTTONS;
+
+    jclass inputEventClazz = (*env)->FindClass(env, "java/awt/event/InputEvent");
+    jmethodID getButtonDownMasksID = (*env)->GetStaticMethodID(env, inputEventClazz, "getButtonDownMasks", "()[I");
+    jintArray obj = (jintArray)(*env)->CallStaticObjectMethod(env, inputEventClazz, getButtonDownMasksID);
+    jint * tmp = (*env)->GetIntArrayElements(env, obj, JNI_FALSE);
+
+    gButtonDownMasks = (jint*)malloc(sizeof(jint) * gNumberOfButtons);
+    if (gButtonDownMasks == NULL) {
+        gNumberOfButtons = 0;
+        JNU_ThrowOutOfMemoryError(env, NULL);
+        return;
+    }
+
+    int i;
+    for (i = 0; i < gNumberOfButtons; i++) {
+        gButtonDownMasks[i] = tmp[i];
+    }
+
+    (*env)->ReleaseIntArrayElements(env, obj, tmp, 0);
+    (*env)->DeleteLocalRef(env, obj);
+}
+
+static UInt32 RGB(NSColor *c) {
+    c = [c colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
+    if (c == nil)
+    {
+        return -1; // opaque white
+    }
+
+    CGFloat r, g, b, a;
+    [c getRed:&r green:&g blue:&b alpha:&a];
+
+    UInt32 ir = (UInt32) (r*255+0.5),
+    ig = (UInt32) (g*255+0.5),
+    ib = (UInt32) (b*255+0.5),
+    ia = (UInt32) (a*255+0.5);
+
+    //    NSLog(@"%@ %d, %d, %d", c, ir, ig, ib);
+
+    return ((ia & 0xFF) << 24) | ((ir & 0xFF) << 16) | ((ig & 0xFF) << 8) | ((ib & 0xFF) << 0);
+}
+
+void doLoadNativeColors(JNIEnv *env, jintArray jColors, BOOL useAppleColors) {
+    jint len = (*env)->GetArrayLength(env, jColors);
+
+    UInt32 colorsArray[len];
+    UInt32 *colors = colorsArray;
+
+    [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){
+        NSUInteger i;
+        for (i = 0; i < len; i++) {
+            colors[i] = RGB([CSystemColors getColor:i useAppleColor:useAppleColors]);
+        }
+    }];
+
+    jint *_colors = (*env)->GetPrimitiveArrayCritical(env, jColors, 0);
+    memcpy(_colors, colors, len * sizeof(UInt32));
+    (*env)->ReleasePrimitiveArrayCritical(env, jColors, _colors, 0);
+}
+
+/**
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    loadNativeColors
+ * Signature: ([I[I)V
+ */
+JNIEXPORT void JNICALL Java_sun_lwawt_macosx_LWCToolkit_loadNativeColors
+(JNIEnv *env, jobject peer, jintArray jSystemColors, jintArray jAppleColors)
+{
+JNF_COCOA_ENTER(env);
+    doLoadNativeColors(env, jSystemColors, NO);
+    doLoadNativeColors(env, jAppleColors, YES);
+JNF_COCOA_EXIT(env);
+}
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    createAWTRunLoopMediator
+ * Signature: ()J
+ */
+JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_LWCToolkit_createAWTRunLoopMediator
+(JNIEnv *env, jclass clz)
+{
+AWT_ASSERT_APPKIT_THREAD;
+
+    AWTRunLoopObject *o = nil;
+
+    // We double retain because this object is owned by both main thread and "other" thread
+    // We release in both doAWTRunLoop and stopAWTRunLoop
+    o = [[AWTRunLoopObject alloc] init];
+    if (o) {
+        CFRetain(o); // GC
+        CFRetain(o); // GC
+        [o release];
+    }
+    return ptr_to_jlong(o);
+}
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    doAWTRunLoop
+ * Signature: (JZZ)V
+ */
+JNIEXPORT void JNICALL Java_sun_lwawt_macosx_LWCToolkit_doAWTRunLoop
+(JNIEnv *env, jclass clz, jlong mediator, jboolean awtMode, jboolean detectDeadlocks)
+{
+AWT_ASSERT_APPKIT_THREAD;
+JNF_COCOA_ENTER(env);
+
+    AWTRunLoopObject* mediatorObject = (AWTRunLoopObject*)jlong_to_ptr(mediator);
+
+    if (mediatorObject == nil) return;
+
+    if (!sInPerformFromJava || !detectDeadlocks) {
+
+        NSRunLoop *currentRunLoop = [NSRunLoop currentRunLoop];
+        NSDate *distantFuture = [NSDate distantFuture];
+        NSString *mode = (awtMode) ? [JNFRunLoop javaRunLoopMode] : NSDefaultRunLoopMode;
+
+        BOOL isRunning = YES;
+        while (isRunning && ![mediatorObject shouldEndRunLoop]) {
+            // Don't use acceptInputForMode because that doesn't setup autorelease pools properly
+            isRunning = [currentRunLoop runMode:mode beforeDate:distantFuture];
+        }
+
+    }
+#ifndef PRODUCT_BUILD
+    if (sInPerformFromJava) {
+        NSLog(@"Apple AWT: Short-circuiting CToolkit.invokeAndWait trampoline deadlock!!!!!");
+        NSLog(@"\tPlease file a bug report with this message and a reproducible test case.");
+    }
+#endif
+
+    CFRelease(mediatorObject);
+
+JNF_COCOA_EXIT(env);
+}
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    stopAWTRunLoop
+ * Signature: (J)V
+ */
+JNIEXPORT void JNICALL Java_sun_lwawt_macosx_LWCToolkit_stopAWTRunLoop
+(JNIEnv *env, jclass clz, jlong mediator)
+{
+AWT_ASSERT_NOT_APPKIT_THREAD;
+JNF_COCOA_ENTER(env);
+
+    AWTRunLoopObject* mediatorObject = (AWTRunLoopObject*)jlong_to_ptr(mediator);
+
+    [ThreadUtilities performOnMainThread:@selector(endRunLoop) onObject:mediatorObject withObject:nil waitUntilDone:NO awtMode:YES];
+
+    CFRelease(mediatorObject);
+
+JNF_COCOA_EXIT(env);
+}
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    isCapsLockOn
+ * Signature: ()Z
+ */
+JNIEXPORT jboolean JNICALL Java_sun_lwawt_macosx_LWCToolkit_isCapsLockOn
+(JNIEnv *env, jobject self)
+{
+    __block jboolean isOn = JNI_FALSE;
+    [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){
+        NSUInteger modifiers = [NSEvent modifierFlags];
+        isOn = (modifiers & NSAlphaShiftKeyMask) != 0;
+    }];
+
+    return isOn;
+}
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    isApplicationActive
+ * Signature: ()Z
+ */
+JNIEXPORT jboolean JNICALL Java_sun_lwawt_macosx_LWCToolkit_isApplicationActive
+(JNIEnv *env, jclass clazz)
+{
+        __block jboolean active = JNI_FALSE;
+
+AWT_ASSERT_NOT_APPKIT_THREAD;
+JNF_COCOA_ENTER(env);
+
+        [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^() {
+                active = (jboolean)[NSRunningApplication currentApplication].active;
+        }];
+
+JNF_COCOA_EXIT(env);
+
+        return active;
+}
+
+
+/*
+ * Class:     sun_awt_SunToolkit
+ * Method:    closeSplashScreen
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL
+Java_sun_awt_SunToolkit_closeSplashScreen(JNIEnv *env, jclass cls)
+{
+    void *hSplashLib = dlopen(0, RTLD_LAZY);
+    if (!hSplashLib) return;
+
+    void (*splashClose)() = dlsym(hSplashLib, "SplashClose");
+    if (splashClose) {
+        splashClose();
+    }
+    dlclose(hSplashLib);
+}
+
+
+// TODO: definitely doesn't belong here (copied from fontpath.c in the
+// solaris tree)...
+
+JNIEXPORT jstring JNICALL
+Java_sun_font_FontManager_getFontPath
+(JNIEnv *env, jclass obj, jboolean noType1)
+{
+    return JNFNSToJavaString(env, @"/Library/Fonts");
+}
+
+// This isn't yet used on unix, the implementation is added since shared
+// code calls this method in preparation for future use.
+JNIEXPORT void JNICALL
+Java_sun_font_FontManager_populateFontFileNameMap
+(JNIEnv *env, jclass obj, jobject fontToFileMap, jobject fontToFamilyMap, jobject familyToFontListMap, jobject locale)
+{
+
+}