int NativeScreen::handleImageData(MAHandle myImageData)
{
printf("handleImageData(%d)", myImageData);
int resCode = -1;
MAHandle hImage = maCreatePlaceholder();
int dataSize = maGetDataSize(myImageData);
int createImageRes = maCreateImageFromData(hImage, myImageData, 0, dataSize);
// Used for testing only.
MAUtil::String info = "Ready.Size = " + MAUtil::integerToString(dataSize)
+ " res = " + MAUtil::integerToString(createImageRes);
printf("\n%s\n", info.c_str());
if (createImageRes != RES_OK) {
// If the Android VM gets an out of memory exception, get the image handle instead.
maAlert("Memory Warning", " The image cannot be created. Try again", NULL, NULL, NULL);
maWidgetSetProperty(mEventReturnTypeCheckbox, MAW_CHECK_BOX_CHECKED, "false");
maImagePickerOpen();
} else {
char imgHandle[256];
sprintf(imgHandle, "%d", hImage);
printf("imgHandle=%s---hImage=%d", imgHandle, hImage);
// display the preview
resCode = maWidgetSetProperty(mPreview, MAW_IMAGE_IMAGE, imgHandle);
}
// at this point the new selected image is either displayed or non-existent (out of memory)
// the former displayed image (if exists) can be now safely deleted and reused
if (mLastDisplayedImageHandle != -1) {
maDestroyPlaceholder(mLastDisplayedImageHandle);
}
mLastDisplayedImageHandle = hImage;
return resCode;
}
/**
* Handle widget click events.
* @param widgetHandle The handle (reference) to the widget
* that was clicked.
*/
void NativeScreen::widgetClicked(MAHandle widgetHandle)
{
// Exit the application when the exit button is clicked.
if (widgetHandle == mExitButton)
{
TestMoblet::getInstance()->closeEvent();
}
else if ( mButton == widgetHandle)
{
char checkboxBuffer[BUF_SIZE];
maWidgetGetProperty(mEventReturnTypeCheckbox, MAW_CHECK_BOX_CHECKED, checkboxBuffer, BUF_SIZE);
MAUtil::String value = MAUtil::lowerString(checkboxBuffer);
if ( strcmp(value.c_str(),"true") == 0 )
{
maImagePickerOpenWithEventReturnType(MA_IMAGE_PICKER_EVENT_RETURN_TYPE_IMAGE_DATA);
}
else
{
maImagePickerOpen();
}
}
}
/**
* Handle widget events.
* @param event A MoSync event data structure.
*/
void NativeScreen::customEvent(const MAEvent& event)
{
// Get the information sent by the widget.
MAWidgetEventData* widgetEventData = (MAWidgetEventData*) event.data;
if ( event.type == EVENT_TYPE_IMAGE_PICKER)
{
if ( event.imagePickerState == 1 )
{
// ready, get handle
MAHandle myImage = event.imagePickerItem;
char checkboxBuffer[BUF_SIZE];
maWidgetGetProperty(mEventReturnTypeCheckbox, MAW_CHECK_BOX_CHECKED, checkboxBuffer, BUF_SIZE);
MAUtil::String value = MAUtil::lowerString(checkboxBuffer);
if ( strcmp(value.c_str(),"true") == 0 )
{
MAHandle hImage = maCreatePlaceholder();
int dataSize = maGetDataSize(event.imagePickerItem);
int createImageRes= maCreateImageFromData(hImage, event.imagePickerItem, 0, dataSize);
// Used for testing only.
MAUtil::String info = "Ready.Size = " + MAUtil::integerToString(dataSize) +
"res = " + MAUtil::integerToString(createImageRes) +
", mime type = " + MAUtil::integerToString(event.imagePickerEncodingType);
if ( createImageRes != RES_OK )
{
maAlert("Memory Warning", " The image cannot be created. Try again", NULL, NULL, NULL);
maWidgetSetProperty(mEventReturnTypeCheckbox, MAW_CHECK_BOX_CHECKED, "false");
// If the Android VM gets an out of memory exception, get the image handle instead.
maImagePickerOpen();
}
else
{
char imgHandle[256];
sprintf(imgHandle, "%d", hImage);
int resCode = maWidgetSetProperty(mPreview, MAW_IMAGE_IMAGE, imgHandle);
}
maDestroyPlaceholder(hImage);
}
else
{
char buffer[256];
sprintf(buffer, "%d", myImage);
int resCode = maWidgetSetProperty(mPreview, MAW_IMAGE_IMAGE, buffer);
}
setLabelText(mLabel, "Preview is available");
}
else
{
setLabelText(mLabel, "The user canceled the image selection");
}
}
// Check that the event was a click (touch) event.
if (widgetEventData->eventType == MAW_EVENT_CLICKED)
{
// Handle the event emitted by the widget
widgetClicked(widgetEventData->widgetHandle);
}
}
