265 lines
8.4 KiB
Plaintext
265 lines
8.4 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s): edburns <edburns@acm.org>
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*/
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/*
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* CocoaBrowserControlCanvas.cpp
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*/
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#include <jawt_md.h>
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#include <assert.h>
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#import <Cocoa/Cocoa.h>
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// #include <MacWindows.h>
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#include "CocoaBrowserControlCanvas.h"
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#include "nsIWidget.h"
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#include "nsWidgetSupport.h"
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#include "jni_util.h" //for throwing Exceptions to Java
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#include "ns_globals.h"
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// #include "nsRect.h"
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@interface RunOnAppKitThread : NSObject
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-(void)runReturnRunnableOnAppKitThread:(NSMutableArray *) args;
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-(void)doRunReturnRunnableOnAppKitThread:(NSMutableArray *) args;
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-(void)runRunnableOnAppKitThread:(NSMutableArray *) args;
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-(void)doRunRunnableOnAppKitThread:(NSMutableArray *) args;
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@end
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@implementation RunOnAppKitThread
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-(void)runReturnRunnableOnAppKitThread:(NSMutableArray *)args {
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[self performSelectorOnMainThread: @selector(doRunReturnRunnableOnAppKitThread:)
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withObject: args
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waitUntilDone: YES];
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}
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-(void)doRunReturnRunnableOnAppKitThread:(NSMutableArray *) args {
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JNIEnv *env = (JNIEnv *) JNU_GetEnv(gVm, JNI_VERSION);
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jobject
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javaThis = (jobject) [[args objectAtIndex:0] pointerValue],
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toInvoke = (jobject) [[args objectAtIndex:1] pointerValue],
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result = nsnull;
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NSValue *nsValue = nsnull;
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jclass clazz = env->GetObjectClass(javaThis);
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jmethodID mid = env->GetMethodID(clazz, "doRunReturnRunnableOnAppKitThread",
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"(Lorg/mozilla/util/ReturnRunnable;)Ljava/lang/Object;");
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env->ExceptionClear();
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result = env->CallObjectMethod(javaThis, mid, toInvoke);
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if (env->ExceptionOccurred()) {
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::util_ThrowExceptionToJava(env, "Cannot call back into Java from Objective-C doRunReturnRunnableOnAppKitThread");
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}
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nsValue = [NSValue value:&result withObjCType:@encode(jobject)];
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[args addObject: nsValue];
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return;
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}
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-(void)runRunnableOnAppKitThread:(NSMutableArray *)args {
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[self performSelectorOnMainThread: @selector(doRunRunnableOnAppKitThread:)
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withObject: args
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waitUntilDone: YES];
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}
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-(void)doRunRunnableOnAppKitThread:(NSMutableArray *) args {
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JNIEnv *env = (JNIEnv *) JNU_GetEnv(gVm, JNI_VERSION);
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jobject
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javaThis = (jobject) [[args objectAtIndex:0] pointerValue],
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toInvoke = (jobject) [[args objectAtIndex:1] pointerValue],
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result = nsnull;
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NSValue *nsValue = nsnull;
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jclass clazz = env->GetObjectClass(javaThis);
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jmethodID mid = env->GetMethodID(clazz, "doRunRunnableOnAppKitThread",
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"(Ljava/lang/Runnable;)Ljava/lang/Object;");
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env->ExceptionClear();
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result = env->CallObjectMethod(javaThis, mid, toInvoke);
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if (env->ExceptionOccurred()) {
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::util_ThrowExceptionToJava(env, "Cannot call back into Java from Objective-C doRunRunnableOnAppKitThread");
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}
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nsValue = [NSValue value:&result withObjCType:@encode(jobject)];
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[args addObject: nsValue];
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return;
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}
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@end
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jint CocoaBrowserControlCanvas::cocoaGetHandleToPeer(JNIEnv *env, jobject canvas)
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{
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JAWT awt;
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JAWT_DrawingSurface* ds = NULL;
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JAWT_DrawingSurfaceInfo* dsi = NULL;
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JAWT_MacOSXDrawingSurfaceInfo* dsi_mac = NULL;
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jboolean result = JNI_FALSE;
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jint lock = 0;
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NSView *view = NULL;
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// get the AWT
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awt.version = JAWT_VERSION_1_4;
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result = JAWT_GetAWT(env, &awt);
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if (JNI_FALSE == result) {
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util_ThrowExceptionToJava(env, "CocoaBrowserControlCanvas: can't get JAWT");
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}
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// Get the drawing surface. This can be safely cached.
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// Anything below the DS (DSI, contexts, etc)
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// can possibly change/go away and should not be cached.
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ds = awt.GetDrawingSurface(env, canvas);
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if (NULL == ds) {
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util_ThrowExceptionToJava(env, "CocoaBrowserControlCanvas: can't get drawing surface");
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}
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// Lock the drawing surface
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// You must lock EACH TIME before drawing
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lock = ds->Lock(ds);
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if ((lock & JAWT_LOCK_ERROR) != 0) {
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util_ThrowExceptionToJava(env, "CocoaBrowserControlCanvas: can't lock drawing surface");
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}
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// Get the drawing surface info
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dsi = ds->GetDrawingSurfaceInfo(ds);
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// Check DrawingSurfaceInfo. This can be NULL on Mac OS X
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// if the windowing system is not ready
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if (dsi != NULL) {
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// Get the platform-specific drawing info
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// We will use this to get at Cocoa and CoreGraphics
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// See <JavaVM/jawt_md.h>
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dsi_mac = (JAWT_MacOSXDrawingSurfaceInfo*)dsi->platformInfo;
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if (NULL == dsi_mac) {
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util_ThrowExceptionToJava(env, "CocoaBrowserControlCanvas: can't get mac DrawingSurfaceInfo");
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}
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// Get the corresponding peer from the caller canvas
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view = dsi_mac->cocoaViewRef;
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// Free the DrawingSurfaceInfo
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ds->FreeDrawingSurfaceInfo(dsi);
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}
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else {
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PR_LOG(prLogModuleInfo, PR_LOG_DEBUG,
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("CocoaBrowserControlCanvas::cocoaGetHandleToPeer: can't get drawing surface info"));
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}
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// Unlock the drawing surface
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// You must unlock EACH TIME when done drawing
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ds->Unlock(ds);
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// Free the drawing surface (if not caching it)
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awt.FreeDrawingSurface(ds);
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return (jint) view;
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}
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jobject CocoaBrowserControlCanvas::runReturnRunnableOnAppKitThread(JNIEnv *env, jobject javaThis, jobject toInvoke)
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{
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PR_ASSERT(javaThis);
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PR_ASSERT(toInvoke);
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jobject result = 0;
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NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
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RunOnAppKitThread *appKitThreadRunner = [[RunOnAppKitThread alloc] init];
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NSMutableArray *args = [NSMutableArray arrayWithCapacity: 10];
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NSValue
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*inArg0 = [NSValue value:&javaThis withObjCType:@encode(jobject)],
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*inArg1 = [NSValue value:&toInvoke withObjCType:@encode(jobject)],
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*outArg0;
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[args addObject: inArg0];
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[args addObject: inArg1];
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@try {
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[appKitThreadRunner runReturnRunnableOnAppKitThread: args];
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outArg0 = [args objectAtIndex:2];
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if (outArg0) {
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result = (jobject) [outArg0 pointerValue];
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}
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}
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@catch (NSException *e) {
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NSString *reason = [e reason];
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const char *cStringReason = [reason cStringUsingEncoding:
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NSUTF8StringEncoding];
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JNIEnv *env = (JNIEnv *) JNU_GetEnv(gVm, JNI_VERSION);
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::util_ThrowExceptionToJava(env, cStringReason);
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}
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[pool release];
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return result;
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}
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jobject CocoaBrowserControlCanvas::runRunnableOnAppKitThread(JNIEnv *env, jobject javaThis, jobject toInvoke)
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{
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PR_ASSERT(javaThis);
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PR_ASSERT(toInvoke);
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jobject result = 0;
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NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
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RunOnAppKitThread *appKitThreadRunner = [[RunOnAppKitThread alloc] init];
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NSMutableArray *args = [NSMutableArray arrayWithCapacity: 10];
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NSValue
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*inArg0 = [NSValue value:&javaThis withObjCType:@encode(jobject)],
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*inArg1 = [NSValue value:&toInvoke withObjCType:@encode(jobject)],
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*outArg0;
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[args addObject: inArg0];
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[args addObject: inArg1];
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@try {
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[appKitThreadRunner runRunnableOnAppKitThread: args];
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outArg0 = [args objectAtIndex:2];
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if (outArg0) {
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result = (jobject) [outArg0 pointerValue];
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}
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}
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@catch (NSException *e) {
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NSString *reason = [e reason];
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const char *cStringReason = [reason cStringUsingEncoding:
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NSUTF8StringEncoding];
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PR_LOG(prLogModuleInfo, PR_LOG_DEBUG,
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("CocoaBrowserControlCanvas::runRunnableOnAppKitThread: Native Cocoa Exception occurred: %s", cStringReason));
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JNIEnv *env = (JNIEnv *) JNU_GetEnv(gVm, JNI_VERSION);
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::util_ThrowExceptionToJava(env, cStringReason);
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}
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[pool release];
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return result;
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}
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