/**
* KNI function that creates new native resource for the current ImageItem.
*
* Class: javax.microedition.lcdui.ImageItemLFImpl
* Java prototype:
* private native int createNativeResource0(int ownerId, String label,
* int layout,
* Image img, String altText,
* int appearanceMode)
*
* INTERFACE (operand stack manipulation):
* parameters: ownerId pointer to the owner's native resource
* label ImageItem's label
* layout ImageItem's layout
* img ImageItem's image
* altText ImageItem's attText
* appearanceMode the appearanceMode of ImageItem
* return pointer to the created native resource
*/
KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_lcdui_ImageItemLFImpl_createNativeResource0() {
MidpError err = KNI_OK;
MidpDisplayable *ownerPtr;
MidpItem *itemPtr = NULL;
pcsl_string label, altText;
pcsl_string_status rc1,rc2;
unsigned char* imgPtr = NULL;
int appearanceMode, layout;
KNI_StartHandles(3);
KNI_DeclareHandle(labelJString);
KNI_DeclareHandle(image);
KNI_DeclareHandle(altTextJString);
ownerPtr = (MidpDisplayable *)KNI_GetParameterAsInt(1);
KNI_GetParameterAsObject(2, labelJString);
layout = KNI_GetParameterAsInt(3);
KNI_GetParameterAsObject(4, image);
KNI_GetParameterAsObject(5, altTextJString);
if (KNI_IsNullHandle(image) != KNI_TRUE) {
imgPtr = gxp_get_imagedata(image);
}
appearanceMode = KNI_GetParameterAsInt(6);
rc1 = midp_jstring_to_pcsl_string(labelJString, &label);
rc2 = midp_jstring_to_pcsl_string(altTextJString, &altText);
KNI_EndHandles();
/* NULL and empty strings are acceptable. */
if (PCSL_STRING_OK != rc1 || PCSL_STRING_OK != rc2 ) {
err = KNI_ENOMEM;
goto cleanup;
}
itemPtr = MidpNewItem(ownerPtr, MIDP_PLAIN_IMAGE_ITEM_TYPE+appearanceMode);
if (itemPtr == NULL) {
err = KNI_ENOMEM;
goto cleanup;
}
err = lfpport_imageitem_create(itemPtr, ownerPtr, &label, layout,
imgPtr, &altText, appearanceMode);
cleanup:
pcsl_string_free(&altText);
pcsl_string_free(&label);
if (err != KNI_OK) {
MidpDeleteItem(itemPtr);
KNI_ThrowNew(midpOutOfMemoryError, NULL);
}
KNI_ReturnInt(itemPtr);
}
/**
* Delete all native resource of a Displayable.
* Resources that will be freed are:
* <ul>
* <li>For each child Item: its platform dependent resource
* <li>For each child Item: MidpItem structure
* <li>Platform dependent resource
* <li>MidpDisplayable structure
* </ul>
*
* @param displayablePtr pointer to the MidpDisplayable structure
*/
void MidpDeleteDisplayable(MidpDisplayable *displayablePtr) {
MidpComponent *p, *c;
if (displayablePtr == NULL) {
return;
}
/* If this displayable is current screen, clear current screen pointer */
if (MidpCurrentScreen == &displayablePtr->frame) {
MidpCurrentScreen = NULL;
}
/* First Delete all children */
while (displayablePtr->frame.component.child != NULL) {
MidpDeleteItem((MidpItem *)displayablePtr->frame.component.child);
}
/* Then detach this displayable from displayable linked list */
if (MidpFirstScreen == (MidpFrame *)displayablePtr ||
MidpFirstScreen == NULL) {
MidpFirstScreen = (MidpFrame *)displayablePtr->frame.component.next;
} else {
p = (MidpComponent *)MidpFirstScreen;
c = p->next;
while (c != NULL) {
if (c == (MidpComponent *)displayablePtr) {
p->next = c->next;
break;
} else {
p = c;
c = c->next;
}
}
}
/* Next destroy platform dependent resource */
if (displayablePtr->frame.widgetPtr) {
displayablePtr->frame.hideAndDelete(&displayablePtr->frame, KNI_FALSE);
}
/* Last free the structure */
midpFree(displayablePtr);
}
/**
* KNI function that creates new native resource for the current CustomItem.
*
* The native widget created by this function must take into account
* label and body locations, using Item methods.
* Also it must be able to grab key/pointer events directed to this
* item in order to pass them to java through the event queue.
* The implementation should create a native offline buffer to be used
* as the target for draw operation os the CustomItem, and as a source for
* screen refresh in case a repaint is requested from the operating system.
*
* Class: javax.microedition.lcdui.CustomItemLFImpl
* Java prototype:
* private native int createNativeResource0(int ownerId, String label,
* int layout)
*
* INTERFACE (operand stack manipulation):
* parameters: ownerId pointer to the owner's native resource
* label CustomItem's label
* layout CustomItem's layout
* return pointer to the created native resource
*/
KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_lcdui_CustomItemLFImpl_createNativeResource0() {
MidpError err = KNI_OK;
MidpItem *ciPtr = NULL;
pcsl_string label;
pcsl_string_status rc;
MidpDisplayable *ownerPtr = (MidpDisplayable *)KNI_GetParameterAsInt(1);
int layout = KNI_GetParameterAsInt(3);
KNI_StartHandles(1);
KNI_DeclareHandle(labelHandle);
KNI_GetParameterAsObject(2, labelHandle);
rc = midp_jstring_to_pcsl_string(labelHandle, &label);
KNI_EndHandles();
if (PCSL_STRING_OK != rc) {
err = KNI_ENOMEM;
goto cleanup;
}
ciPtr = MidpNewItem(ownerPtr, MIDP_CUSTOM_ITEM_TYPE);
if (ciPtr == NULL) {
err = KNI_ENOMEM;
goto cleanup;
}
err = lfpport_customitem_create(ciPtr, ownerPtr, &label, layout);
cleanup:
pcsl_string_free(&label);
if (err != KNI_OK) {
MidpDeleteItem(ciPtr);
KNI_ThrowNew(midpOutOfMemoryError, NULL);
}
KNI_ReturnInt(ciPtr);
}
/**
* KNI function that create native resource for current Gauge.
* Class: javax.microedition.lcdui.GaugeLFImpl
* Java prototype:
* private native int createNativeResource0(int ownerId,
* String label, int layout,
* boolean interactive,
* int maxValue, int initialValue)
*/
KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_lcdui_GaugeLFImpl_createNativeResource0() {
MidpError err = KNI_OK;
MidpItem *gaugePtr = NULL;
MidpDisplayable *ownerPtr;
int maxValue, initialValue, layout;
jboolean interactive;
KNI_StartHandles(1);
ownerPtr = (MidpDisplayable *)KNI_GetParameterAsInt(1);
GET_PARAMETER_AS_PCSL_STRING(2, label)
layout = KNI_GetParameterAsInt(3);
interactive = KNI_GetParameterAsBoolean(4);
maxValue = KNI_GetParameterAsInt(5);
initialValue = KNI_GetParameterAsInt(6);
{
gaugePtr = MidpNewItem(ownerPtr,
interactive ? MIDP_INTERACTIVE_GAUGE_TYPE
: MIDP_NON_INTERACTIVE_GAUGE_TYPE);
if (gaugePtr == NULL) {
err = KNI_ENOMEM;
} else {
err = lfpport_gauge_create(gaugePtr, ownerPtr, &label, layout,
interactive, maxValue, initialValue);
}
/* cleanup: */
if (err != KNI_OK) {
MidpDeleteItem(gaugePtr);
KNI_ThrowNew(midpOutOfMemoryError, NULL);
}
}
RELEASE_PCSL_STRING_PARAMETER
KNI_EndHandles();
KNI_ReturnInt(gaugePtr);
}
/**
* KNI function that creates native resource for the current StringItem.
*
* Class: javax.microedition.lcdui.StringItemLFImpl
*
* Java prototype:
* private native int createNativeResource0(int ownerId,
* String label, int layout, String text, int maxSize,
* int constraints, String initialInputMode)
*
* INTERFACE (operand stack manipulation):
* parameters: ownerId id of the owner's native resource
* label StringItem's label
* layout StringItem's layout
* text StringItem's text
* appearanceMode the appearanceMode of StringItem
* font font to paint text
* returns: id of the created platform widget
*/
KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_lcdui_StringItemLFImpl_createNativeResource0() {
MidpError err = KNI_OK;
MidpDisplayable *ownerPtr;
MidpItem *itemPtr = NULL;
pcsl_string label, text;
pcsl_string_status rc1 = PCSL_STRING_OK, rc2 = PCSL_STRING_OK;
PlatformFontPtr fontPtr = NULL;
int appearanceMode, layout;
KNI_StartHandles(4);
KNI_DeclareHandle(labelJString);
KNI_DeclareHandle(textJString);
KNI_DeclareHandle(fontJFont);
KNI_DeclareHandle(fontHandle);
ownerPtr = (MidpDisplayable *)KNI_GetParameterAsInt(1);
KNI_GetParameterAsObject(2, labelJString);
layout = KNI_GetParameterAsInt(3);
KNI_GetParameterAsObject(4, textJString);
appearanceMode = KNI_GetParameterAsInt(5);
KNI_GetParameterAsObject(6, fontJFont);
if (KNI_IsNullHandle(fontJFont) != KNI_TRUE) {
int face, style, size;
KNI_FindClass("javax/microedition/lcdui/Font", fontHandle);
face = KNI_GetIntField(fontJFont, _CACHE_FIELDID(fontHandle, "face",
"I", _f_face_cache));
style = KNI_GetIntField(fontJFont, _CACHE_FIELDID(fontHandle, "style",
"I", _f_style_cache));
size = KNI_GetIntField(fontJFont, _CACHE_FIELDID(fontHandle, "size",
"I", _f_size_cache));
err = lfpport_get_font(&fontPtr, face, style, size);
}
if (err == KNI_OK) {
rc1 = midp_kjstring_to_pcsl_string(labelJString, &label);
rc2 = midp_kjstring_to_pcsl_string(textJString, &text);
}
KNI_EndHandles();
if (err != KNI_OK || PCSL_STRING_OK != rc1 || PCSL_STRING_OK != rc2) {
err = KNI_ENOMEM;
goto cleanup;
}
itemPtr = MidpNewItem(ownerPtr, MIDP_PLAIN_STRING_ITEM_TYPE+appearanceMode);
if (itemPtr == NULL) {
err = KNI_ENOMEM;
goto cleanup;
}
err = lfpport_stringitem_create(itemPtr, ownerPtr, &label, layout,
&text, fontPtr, appearanceMode);
cleanup:
pcsl_string_free(&text);
pcsl_string_free(&label);
if (err != KNI_OK) {
MidpDeleteItem(itemPtr);
KNI_ThrowNew(midpOutOfMemoryError, NULL);
}
KNI_ReturnInt(itemPtr);
}
/**
* Delete all MIDP components when VM is exiting.
*/
void MidpDeleteAllComponents() {
while (MidpFirstOrphanItem != NULL) {
MidpDeleteItem(MidpFirstOrphanItem);
}
}
/**
* KNI function that creates native resource for the current StringItem.
* <p>
* Java declaration:
* <pre>
* createNativeResource0(ISIII[OII)I
* </pre>
*
* @param ownerId Owner screen's native resource id (MidpDisplayable *)
* @param label - label to be used for this ChoiceGroup
* @param layout layout directive associated with this ChoiceGroup
* @param choiceType - should be EXCLUSIVE, MULTIPLE, IMPLICIT, POPUP
* @param fitPolicy - to be used to display created ChoiceGroup
* @param cgElements - elements array with string, image, font, selected state
* information per element
* @param numChoices - number of elements in the ChoiceGroup
* @param selectedIndex - currently selected index (for EXCLUSIVE, IMPLICIT, and
* POPUP)
* @return native resource id (MidpItem *) of this StringItem
*/
KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_lcdui_ChoiceGroupLFImpl_createNativeResource0() {
MidpError err = KNI_OK;
MidpDisplayable *ownerPtr = NULL;
MidpItem *cgPtr = NULL;
pcsl_string label_str;
MidpChoiceGroupElement *cgChoices = NULL;
int choiceType, layout;
int fitPolicy;
int numChoices = 0;
int selectedIndex;
int i = 0;
pcsl_string_status perr;
ownerPtr = (MidpDisplayable *)KNI_GetParameterAsInt(1);
layout = KNI_GetParameterAsInt(3);
choiceType = KNI_GetParameterAsInt(4);
fitPolicy = KNI_GetParameterAsInt(5);
numChoices = KNI_GetParameterAsInt(7);
selectedIndex = KNI_GetParameterAsInt(8);
KNI_StartHandles(8);
KNI_DeclareHandle(labelJString);
KNI_DeclareHandle(cgElementsJObject);
KNI_DeclareHandle(cgElement);
KNI_DeclareHandle(strJString);
KNI_DeclareHandle(imgJImage);
KNI_DeclareHandle(fontJFont);
KNI_DeclareHandle(cgElementHandle);
KNI_DeclareHandle(fontHandle);
KNI_GetParameterAsObject(2, labelJString);
KNI_GetParameterAsObject(6, cgElementsJObject);
if (numChoices > 0) {
jobjectArray cgElementsArray;
KNI_FindClass("javax/microedition/lcdui/ChoiceGroup$CGElement",
cgElementHandle);
KNI_FindClass("javax/microedition/lcdui/Font", fontHandle);
cgElementsArray = (jobjectArray)cgElementsJObject;
cgChoices = (MidpChoiceGroupElement *)
midpMalloc(sizeof(MidpChoiceGroupElement) * numChoices);
if (cgChoices == NULL) {
err = KNI_ENOMEM;
}
for (i = 0; err == KNI_OK && i < numChoices; i++) {
KNI_GetObjectArrayElement(cgElementsArray, i, cgElement);
KNI_GetObjectField(cgElement,
_CACHE_FIELDID(cgElementHandle, "stringEl",
"Ljava/lang/String;",
_cgEl_stringEl_cache), strJString);
perr = midp_jstring_to_pcsl_string(strJString, &cgChoices[i].string);
if (PCSL_STRING_OK != perr) {
err = KNI_ENOMEM;
} else {
KNI_GetObjectField(cgElement,
_CACHE_FIELDID(cgElementHandle, "imageDataEl",
"Ljavax/microedition/lcdui/ImageData;",
_cgEl_imageDataEl_cache), imgJImage);
if (KNI_IsNullHandle(imgJImage) == KNI_TRUE) {
cgChoices[i].image = NULL;
} else {
cgChoices[i].image = gxp_get_imagedata(imgJImage);
}
cgChoices[i].selected =
KNI_GetBooleanField(cgElement, _CACHE_FIELDID(cgElementHandle,
"selected", "Z",
_cgEl_selected_cache));
KNI_GetObjectField(cgElement,
_CACHE_FIELDID(cgElementHandle, "fontEl",
"Ljavax/microedition/lcdui/Font;",
_cgEl_font_cache), fontJFont);
if (KNI_IsNullHandle(fontJFont) == KNI_TRUE) {
cgChoices[i].font = NULL;
} else {
int face, style, size; /* usually only few fonts are set */
face = KNI_GetIntField(fontJFont, _CACHE_FIELDID(fontHandle, "face",
"I", _f_face_cache));
style = KNI_GetIntField(fontJFont, _CACHE_FIELDID(fontHandle,
"style",
"I", _f_style_cache));
size = KNI_GetIntField(fontJFont, _CACHE_FIELDID(fontHandle, "size",
"I", _f_size_cache));
if ((err = lfpport_get_font(&(cgChoices[i].font), face, style, size))
!= KNI_OK) {
err = KNI_ENOMEM;
i++;
break;
}
}
}
}
}
if (err == KNI_OK) {
if(PCSL_STRING_OK
!= midp_jstring_to_pcsl_string(labelJString, &label_str)) {
err = KNI_ENOMEM;
}
}
KNI_EndHandles();
if (err == KNI_OK) {
cgPtr = MidpNewItem(ownerPtr,
MIDP_EXCLUSIVE_CHOICE_GROUP_TYPE + choiceType - 1);
if (cgPtr == NULL) {
err = KNI_ENOMEM;
} else {
err = lfpport_choicegroup_create(cgPtr, ownerPtr, &label_str, layout,
choiceType, cgChoices, numChoices,
selectedIndex, fitPolicy);
}
}
// do clean up
pcsl_string_free(&label_str);
for (i--; i >= 0; i--) {
pcsl_string_free(&cgChoices[i].string);
}
midpFree(cgChoices);
if (err != KNI_OK) {
MidpDeleteItem(cgPtr);
KNI_ThrowNew(midpOutOfMemoryError, NULL);
}
KNI_ReturnInt(cgPtr);
}
/**
* KNI function that create native resource for current DateField.
*
* The native widget created by this function must take into account
* label and body locations, using Item methods.
* The implementation must create a native date/time widget that can be
* displayed as date only, time only, or date/time modes.
*
* The displayMode is a two bit mask in which the MSB is the date, and the
* LSB (ie. binary 10 is date only, 01 is time only, 11 is both).
*
* As the datetime parameter coming from java is in milliseconds since the
* epoch 00:00 1/1/1970, it is needed to translate this value to the native
* date/time representation. (for example, QT uses the same epoch, but in
* resolution of seconds rather than milliseconds).
*
*
* Class: javax.microedition.lcdui.DateFieldLFImpl
* Java prototype:
* private native int createNativeResource0 ( int ownerId ,
* String label , int layout, long datetime , int displayMode,
* String timeZone);
* @param datetime in milliseconds since 00:00 1/1/1970
*/
KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_lcdui_DateFieldLFImpl_createNativeResource0() {
MidpDisplayable *ownerPtr;
pcsl_string label;
pcsl_string timezone;
pcsl_string_status rc1, rc2;
jint layout;
jint displayMode;
jlong datetime;
long qtime = 0;
MidpError err = KNI_OK;
MidpItem *dfPtr = NULL;
KNI_StartHandles(2);
KNI_DeclareHandle(labelHandle);
KNI_DeclareHandle(timezoneHandle);
ownerPtr = (MidpDisplayable *)KNI_GetParameterAsInt(1);
KNI_GetParameterAsObject(2, labelHandle);
layout = KNI_GetParameterAsInt(3);
datetime = KNI_GetParameterAsLong(4); /* Long occupies two parameters */
displayMode = KNI_GetParameterAsInt(6);
KNI_GetParameterAsObject(7, timezoneHandle);
rc1 = midp_jstring_to_pcsl_string(labelHandle, &label);
rc2 = midp_jstring_to_pcsl_string(timezoneHandle, &timezone);
KNI_EndHandles();
/* NULL and empty strings are acceptable */
if (PCSL_STRING_OK != rc1 || PCSL_STRING_OK != rc2) {
err = KNI_ENOMEM;
goto cleanup;
}
dfPtr = MidpNewItem(ownerPtr, MIDP_DATE_FIELD_TYPE);
if (dfPtr == NULL) {
err = KNI_ENOMEM;
goto cleanup;
}
qtime = (long)(datetime/1000); /* qt date works in seconds */
err = lfpport_datefield_create(dfPtr, ownerPtr, &label, layout,
displayMode, qtime, &timezone);
cleanup:
pcsl_string_free(&label);
pcsl_string_free(&timezone);
if (err != KNI_OK) {
MidpDeleteItem(dfPtr);
KNI_ThrowNew(midpOutOfMemoryError, NULL);
}
KNI_ReturnInt(dfPtr);
}
