gecko-dev/java/webclient/src_moz/RDFTreeNode.cpp

384 lines
12 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is RaptorCanvas.
*
* The Initial Developer of the Original Code is Kirk Baker and
* Ian Wilkinson. Portions created by Kirk Baker and Ian Wilkinson are
* Copyright (C) 1999 Kirk Baker and Ian Wilkinson. All
* Rights Reserved.
*
* Contributor(s): Ed Burns <edburns@acm.org>
*/
#include "RDFTreeNode.h"
#include "RDFActionEvents.h"
#include "rdf_util.h"
#include "rdf_progids.h"
#include "ns_util.h"
#include "nsIServiceManager.h"
#include "nsString.h" // for nsCAutoString
#include "prlog.h" // for PR_ASSERT
//
// Local function prototypes
//
//
// JNI methods
//
JNIEXPORT jboolean JNICALL Java_org_mozilla_webclient_wrapper_1native_RDFTreeNode_nativeIsLeaf
(JNIEnv *env, jobject obj, jint webShellPtr, jint nativeRDFNode)
{
WebShellInitContext* initContext = (WebShellInitContext *) webShellPtr;
void * voidResult = nsnull;
jint childCount = -1;
jboolean result = JNI_FALSE;
if (initContext == nsnull) {
::util_ThrowExceptionToJava(env, "Exception: null webShellPtr passed to nativeGetChildCount");
return result;
}
if (!initContext->initComplete) {
::util_ThrowExceptionToJava(env, "Exception: can't getChildAt");
return result;
}
PRInt32 count;
nsresult rv;
// PENDING(edburns): assert rdf_InitRDFUtils()
nsCOMPtr<nsIRDFResource> parent = (nsIRDFResource *) nativeRDFNode;
rv = rdf_getChildCount(parent, &count);
if (NS_FAILED(rv)) {
::util_ThrowExceptionToJava(env, "Exception: nativeGetChildCount: Can't get child count.");
return nsnull;
}
result = (count == 0) ? JNI_TRUE : JNI_FALSE;
return result;
}
JNIEXPORT jboolean JNICALL Java_org_mozilla_webclient_wrapper_1native_RDFTreeNode_nativeIsContainer
(JNIEnv *env, jobject obj, jint webShellPtr, jint nativeRDFNode)
{
WebShellInitContext* initContext = (WebShellInitContext *) webShellPtr;
void * voidResult = nsnull;
jboolean result = JNI_FALSE;
if (initContext == nsnull) {
::util_ThrowExceptionToJava(env, "Exception: null webShellPtr passed to nativeIsContainer");
return result;
}
if (!initContext->initComplete) {
::util_ThrowExceptionToJava(env, "Exception: can't see if isContainer");
return result;
}
wsRDFIsContainerEvent *actionEvent = new wsRDFIsContainerEvent(initContext,
(PRUint32) nativeRDFNode);
PLEvent * event = (PLEvent*) *actionEvent;
voidResult = ::util_PostSynchronousEvent(initContext, event);
result = (0 != voidResult) ? JNI_TRUE : JNI_FALSE;
return result;
}
JNIEXPORT jint JNICALL
Java_org_mozilla_webclient_wrapper_1native_RDFTreeNode_nativeGetChildAt
(JNIEnv *env, jobject obj, jint webShellPtr, jint nativeRDFNode,
jint childIndex)
{
WebShellInitContext* initContext = (WebShellInitContext *) webShellPtr;
void * voidResult = nsnull;
jint result = -1;
if (initContext == nsnull) {
::util_ThrowExceptionToJava(env, "Exception: null webShellPtr passed to nativeGetChildAt");
return result;
}
if (!initContext->initComplete) {
::util_ThrowExceptionToJava(env, "Exception: can't getChildAt");
return result;
}
wsRDFGetChildAtEvent *actionEvent =
new wsRDFGetChildAtEvent(initContext,
(PRUint32) nativeRDFNode,
(PRUint32) childIndex);
PLEvent * event = (PLEvent*) *actionEvent;
voidResult = ::util_PostSynchronousEvent(initContext, event);
result = (jint) voidResult;
return result;
}
JNIEXPORT jint JNICALL
Java_org_mozilla_webclient_wrapper_1native_RDFTreeNode_nativeGetChildCount
(JNIEnv *env, jobject obj, jint webShellPtr, jint nativeRDFNode)
{
WebShellInitContext* initContext = (WebShellInitContext *) webShellPtr;
void * voidResult = nsnull;
jint result = -1;
if (initContext == nsnull) {
::util_ThrowExceptionToJava(env, "Exception: null webShellPtr passed to nativeGetChildCount");
return result;
}
if (!initContext->initComplete) {
::util_ThrowExceptionToJava(env, "Exception: can't getChildAt");
return result;
}
PRInt32 count;
nsresult rv;
// PENDING(edburns): assert rdf_InitRDFUtils()
nsCOMPtr<nsIRDFResource> parent = (nsIRDFResource *) nativeRDFNode;
rv = rdf_getChildCount(parent, &count);
if (NS_FAILED(rv)) {
::util_ThrowExceptionToJava(env, "Exception: nativeGetChildCount: Can't get child count.");
return result;
}
result = (jint) count;
return result;
}
JNIEXPORT jint JNICALL
Java_org_mozilla_webclient_wrapper_1native_RDFTreeNode_nativeGetIndex
(JNIEnv *env, jobject obj, jint webShellPtr, jint nativeRDFNode,
jint childRDFNode)
{
WebShellInitContext* initContext = (WebShellInitContext *) webShellPtr;
void * voidResult = nsnull;
jint result = -1;
if (initContext == nsnull) {
::util_ThrowExceptionToJava(env, "Exception: null webShellPtr passed to nativeGetChildIndex");
return result;
}
if (!initContext->initComplete) {
::util_ThrowExceptionToJava(env, "Exception: can't getChildIndex");
return result;
}
wsRDFGetChildIndexEvent *actionEvent =
new wsRDFGetChildIndexEvent(initContext,
(PRUint32) nativeRDFNode,
(PRUint32) childRDFNode);
PLEvent * event = (PLEvent*) *actionEvent;
voidResult = ::util_PostSynchronousEvent(initContext, event);
result = (jint) voidResult;
return result;
}
JNIEXPORT jstring JNICALL
Java_org_mozilla_webclient_wrapper_1native_RDFTreeNode_nativeToString
(JNIEnv *env, jobject obj, jint webShellPtr, jint nativeRDFNode)
{
WebShellInitContext* initContext = (WebShellInitContext *) webShellPtr;
void * voidResult = nsnull;
jstring result = nsnull;
if (initContext == nsnull) {
::util_ThrowExceptionToJava(env, "Exception: null webShellPtr passed to nativeToString");
return result;
}
if (!initContext->initComplete) {
::util_ThrowExceptionToJava(env, "Exception: can't toString");
return result;
}
nsCOMPtr<nsIRDFResource> currentResource =
(nsIRDFResource *) nativeRDFNode;
nsCOMPtr<nsIRDFNode> node;
nsCOMPtr<nsIRDFLiteral> literal;
PRBool isContainer = PR_FALSE;
nsresult rv;
const PRUnichar *textForNode = nsnull;
rv = gRDFCU->IsContainer(gBookmarksDataSource, currentResource,
&isContainer);
if (NS_FAILED(rv)) {
::util_ThrowExceptionToJava(env, "Exception: nativeToString: Can't tell if RDFResource is container.");
return nsnull;
}
if (isContainer) {
// It's a bookmarks folder
rv = gBookmarksDataSource->GetTarget(currentResource,
kNC_Name, PR_TRUE,
getter_AddRefs(node));
// get the name of the folder
if (rv == 0) {
// if so, make sure it's an nsIRDFLiteral
rv = node->QueryInterface(NS_GET_IID(nsIRDFLiteral),
getter_AddRefs(literal));
if (NS_SUCCEEDED(rv)) {
rv = literal->GetValueConst(&textForNode);
}
else {
if (prLogModuleInfo) {
PR_LOG(prLogModuleInfo, 3,
("nativeToString: node is not an nsIRDFLiteral.\n"));
}
}
}
}
else {
// It's a bookmark or a Separator
rv = gBookmarksDataSource->GetTarget(currentResource,
kNC_URL, PR_TRUE,
getter_AddRefs(node));
// See if it has a Name
if (0 != rv) {
rv = gBookmarksDataSource->GetTarget(currentResource,
kNC_Name, PR_TRUE,
getter_AddRefs(node));
}
if (0 == rv) {
rv = node->QueryInterface(NS_GET_IID(nsIRDFLiteral),
getter_AddRefs(literal));
if (NS_SUCCEEDED(rv)) {
// get the value of the literal
rv = literal->GetValueConst(&textForNode);
if (NS_FAILED(rv)) {
if (prLogModuleInfo) {
PR_LOG(prLogModuleInfo, 3,
("nativeToString: node doesn't have a value.\n"));
}
}
}
else {
if (prLogModuleInfo) {
PR_LOG(prLogModuleInfo, 3,
("nativeToString: node is not an nsIRDFLiteral.\n"));
}
}
}
else {
if (prLogModuleInfo) {
PR_LOG(prLogModuleInfo, 3,
("nativeToString: node doesn't have a URL.\n"));
}
}
}
if (nsnull != textForNode) {
nsString * string = new nsString(textForNode);
int length = 0;
if (nsnull != string) {
length = string->Length();
}
result = ::util_NewString(env, (const jchar *) textForNode, length);
}
else {
result = ::util_NewStringUTF(env, "");
}
return result;
}
JNIEXPORT void JNICALL
Java_org_mozilla_webclient_wrapper_1native_RDFTreeNode_nativeInsertElementAt
(JNIEnv *env, jobject obj, jint webShellPtr, jint parentRDFNode,
jint childRDFNode, jobject childProps, jint childIndex)
{
WebShellInitContext* initContext = (WebShellInitContext *) webShellPtr;
void * voidResult = nsnull;
jobject propsGlobalRef;
if (initContext == nsnull) {
::util_ThrowExceptionToJava(env, "Exception: null webShellPtr passed to nativeInsertElementAt");
}
if (!initContext->initComplete) {
::util_ThrowExceptionToJava(env, "Exception: can't InsertElementAt");
}
propsGlobalRef = ::util_NewGlobalRef(env, childProps);
wsRDFInsertElementAtEvent *actionEvent =
new wsRDFInsertElementAtEvent(initContext,
(PRUint32) parentRDFNode,
(PRUint32) childRDFNode,
(void *) propsGlobalRef,
(PRUint32) childIndex);
PLEvent * event = (PLEvent*) *actionEvent;
voidResult = ::util_PostSynchronousEvent(initContext, event);
::util_DeleteGlobalRef(env, propsGlobalRef);
if (NS_FAILED((nsresult) voidResult)) {
::util_ThrowExceptionToJava(env, "Exception: Can't InsertElementAt");
}
return;
}
JNIEXPORT jint JNICALL
Java_org_mozilla_webclient_wrapper_1native_RDFTreeNode_nativeNewFolder
(JNIEnv *env, jobject obj, jint webShellPtr, jint parentRDFNode,
jobject childProps)
{
WebShellInitContext* initContext = (WebShellInitContext *) webShellPtr;
void * voidResult = nsnull;
jobject propsGlobalRef;
jint retVal = 0;
if (initContext == nsnull) {
::util_ThrowExceptionToJava(env, "Exception: null webShellPtr passed to nativeNewFolder");
}
if (!initContext->initComplete || !childProps) {
::util_ThrowExceptionToJava(env, "Exception: can't NewFolder");
}
propsGlobalRef = ::util_NewGlobalRef(env, childProps);
if (!propsGlobalRef) {
::util_ThrowExceptionToJava(env, "Exception: can't NewFolder");
}
wsRDFNewFolderEvent *actionEvent =
new wsRDFNewFolderEvent(initContext,
(PRUint32) parentRDFNode,
(void *) propsGlobalRef,
(PRUint32 *) &retVal);
PLEvent * event = (PLEvent*) *actionEvent;
voidResult = ::util_PostSynchronousEvent(initContext, event);
::util_DeleteGlobalRef(env, propsGlobalRef);
if (NS_FAILED((nsresult) voidResult)) {
::util_ThrowExceptionToJava(env, "Exception: Can't do NewFolder");
}
return retVal;
}
//
// Local functions
//