4632N/A/*
4632N/A * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
4632N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4632N/A *
4632N/A * This code is free software; you can redistribute it and/or modify it
4632N/A * under the terms of the GNU General Public License version 2 only, as
4632N/A * published by the Free Software Foundation. Oracle designates this
4632N/A * particular file as subject to the "Classpath" exception as provided
4632N/A * by Oracle in the LICENSE file that accompanied this code.
4632N/A *
4632N/A * This code is distributed in the hope that it will be useful, but WITHOUT
4632N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4632N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4632N/A * version 2 for more details (a copy is included in the LICENSE file that
4632N/A * accompanied this code).
4632N/A *
4632N/A * You should have received a copy of the GNU General Public License version
4632N/A * 2 along with this work; if not, write to the Free Software Foundation,
4632N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
4632N/A *
4632N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
4632N/A * or visit www.oracle.com if you need additional information or have any
4632N/A * questions.
4632N/A */
4632N/A
4632N/A#import <JavaNativeFoundation/JavaNativeFoundation.h>
4632N/A
4632N/A#import "LWCToolkit.h"
4632N/A#import "AWT_debug.h"
4632N/A
4632N/A
4632N/A/*
4632N/A * Class: sun_awt_CGraphicsEnvironment
4632N/A * Method: initCocoa
4632N/A * Signature: ()V
4632N/A */
4632N/AJNIEXPORT void JNICALL
4632N/AJava_sun_awt_CGraphicsEnvironment_initCocoa
4632N/A(JNIEnv *env, jclass self)
4632N/A{
4632N/AJNF_COCOA_ENTER(env);
4632N/A
4632N/A // Inform Cocoa that we're multi-threaded.
4632N/A // Creating a short-lived NSThread is the recommended way of doing so.
4632N/A [NSThread detachNewThreadSelector:@selector(self) toTarget:[NSObject class] withObject:nil];
4632N/A
4632N/AJNF_COCOA_EXIT(env);
4632N/A}
4632N/A
4632N/A#define MAX_DISPLAYS 64
4632N/A
4632N/A/*
4632N/A * Class: sun_awt_CGraphicsEnvironment
4632N/A * Method: getDisplayIDs
4632N/A * Signature: ()[I
4632N/A */
4632N/AJNIEXPORT jintArray JNICALL
4632N/AJava_sun_awt_CGraphicsEnvironment_getDisplayIDs
4632N/A(JNIEnv *env, jclass class)
4632N/A{
4632N/A jintArray ret = NULL;
4632N/A
4632N/AJNF_COCOA_ENTER(env);
4632N/A
4632N/A /* Get the count */
4632N/A CGDisplayCount displayCount;
4632N/A if (CGGetActiveDisplayList(MAX_DISPLAYS, NULL, &displayCount) != kCGErrorSuccess) {
4632N/A [JNFException raise:env
4632N/A as:kInternalError
4632N/A reason:"CGGetOnlineDisplayList() failed to get display count"];
4632N/A return NULL;
4632N/A }
4632N/A
4632N/A /* Allocate an array and get the size list of display Ids */
4632N/A CGDirectDisplayID displays[MAX_DISPLAYS];
4632N/A if (CGGetActiveDisplayList(displayCount, displays, &displayCount) != kCGErrorSuccess) {
4632N/A [JNFException raise:env
4632N/A as:kInternalError
4632N/A reason:"CGGetOnlineDisplayList() failed to get display list"];
4632N/A return NULL;
4632N/A }
4632N/A
4632N/A /* Allocate a java array for display identifiers */
4632N/A ret = JNFNewIntArray(env, displayCount);
4632N/A
4632N/A /* Initialize and return the backing int array */
4632N/A assert(sizeof(jint) >= sizeof(CGDirectDisplayID));
4632N/A jint *elems = (*env)->GetIntArrayElements(env, ret, 0);
4632N/A
4632N/A CGDisplayCount i;
4632N/A for (i = 0; i < displayCount; i++) {
4632N/A elems[i] = displays[i];
4632N/A }
4632N/A
4632N/A (*env)->ReleaseIntArrayElements(env, ret, elems, 0);
4632N/A
4632N/AJNF_COCOA_EXIT(env);
4632N/A
4632N/A return ret;
4632N/A}
4632N/A
4632N/A/*
4632N/A * Class: sun_awt_CGraphicsEnvironment
4632N/A * Method: getMainDisplayID
4632N/A * Signature: ()I
4632N/A */
4632N/AJNIEXPORT jint JNICALL
4632N/AJava_sun_awt_CGraphicsEnvironment_getMainDisplayID
4632N/A(JNIEnv *env, jclass class)
4632N/A{
4632N/A return CGMainDisplayID();
4632N/A}
4632N/A
4632N/A/*
4632N/A * Post the display reconfiguration event.
4632N/A */
4632N/Astatic void displaycb_handle
4632N/A(CGDirectDisplayID display, CGDisplayChangeSummaryFlags flags, void *userInfo)
4632N/A{
4632N/A if (flags == kCGDisplayBeginConfigurationFlag) return;
4632N/A
4632N/A JNFPerformEnvBlock(JNFThreadDetachImmediately, ^(JNIEnv *env) {
4632N/A JNFWeakJObjectWrapper *wrapper = (JNFWeakJObjectWrapper *)userInfo;
4632N/A
4632N/A jobject graphicsEnv = [wrapper jObjectWithEnv:env];
4632N/A if (graphicsEnv == NULL) return; // ref already GC'd
4632N/A static JNF_CLASS_CACHE(jc_CGraphicsEnvironment, "sun/awt/CGraphicsEnvironment");
6093N/A static JNF_MEMBER_CACHE(jm_displayReconfiguration, jc_CGraphicsEnvironment, "_displayReconfiguration", "(IZ)V");
6093N/A JNFCallVoidMethod(env, graphicsEnv, jm_displayReconfiguration,
6093N/A (jint) display,
6093N/A (jboolean) flags & kCGDisplayRemoveFlag);
4632N/A });
4632N/A}
4632N/A
4632N/A/*
4632N/A * Class: sun_awt_CGraphicsEnvironment
4632N/A * Method: registerDisplayReconfiguration
4632N/A * Signature: ()J
4632N/A */
4632N/AJNIEXPORT jlong JNICALL
4632N/AJava_sun_awt_CGraphicsEnvironment_registerDisplayReconfiguration
4632N/A(JNIEnv *env, jobject this)
4632N/A{
4632N/A jlong ret = 0L;
4632N/A
4632N/AJNF_COCOA_ENTER(env);
4632N/A
4632N/A JNFWeakJObjectWrapper *wrapper = [JNFWeakJObjectWrapper wrapperWithJObject:this withEnv:env];
4632N/A CFRetain(wrapper); // pin from ObjC-GC
4632N/A
4632N/A /* Register the callback */
4632N/A if (CGDisplayRegisterReconfigurationCallback(&displaycb_handle, wrapper) != kCGErrorSuccess) {
4632N/A [JNFException raise:env
4632N/A as:kInternalError
4632N/A reason:"CGDisplayRegisterReconfigurationCallback() failed"];
4632N/A return 0L;
4632N/A }
4632N/A
4632N/A ret = ptr_to_jlong(wrapper);
4632N/A
4632N/AJNF_COCOA_EXIT(env);
4632N/A
4632N/A return ret;
4632N/A}
4632N/A
4632N/A/*
4632N/A * Class: sun_awt_CGraphicsEnvironment
4632N/A * Method: deregisterDisplayReconfiguration
4632N/A * Signature: (J)V
4632N/A */
4632N/AJNIEXPORT void JNICALL
4632N/AJava_sun_awt_CGraphicsEnvironment_deregisterDisplayReconfiguration
4632N/A(JNIEnv *env, jobject this, jlong p)
4632N/A{
4632N/AJNF_COCOA_ENTER(env);
4632N/A
4632N/A JNFWeakJObjectWrapper *wrapper = (JNFWeakJObjectWrapper *)jlong_to_ptr(p);
4632N/A if (!wrapper) return;
4632N/A
4632N/A /* Remove the registration */
4632N/A if (CGDisplayRemoveReconfigurationCallback(&displaycb_handle, wrapper) != kCGErrorSuccess) {
4632N/A [JNFException raise:env
4632N/A as:kInternalError
4632N/A reason:"CGDisplayRemoveReconfigurationCallback() failed, leaking the callback context!"];
4632N/A return;
4632N/A }
4632N/A
4632N/A [wrapper setJObject:NULL withEnv:env]; // more efficiant to pre-clear
4632N/A
4632N/A CFRelease(wrapper);
4632N/A
4632N/AJNF_COCOA_EXIT(env);
4632N/A}