/**
* Pops a screen from a screen stack, hides the current screen and shows
* the previous screen.
* If there is no previous screen in the screen stack,
* an empty screen will be shown.
*/
void StackScreen::pop()
{
if (mStack.size() > 0)
{
maWidgetStackScreenPop(getWidgetHandle());
}
}
/**
* This method implements a custom event listener.
* Widget events are sent as custom events.
*/
void SettingsScreen::customEvent(const MAEvent& event)
{
// Check if this is a widget event.
if (EVENT_TYPE_WIDGET == event.type)
{
// Get the widget event data structure.
MAWidgetEventData* eventData = (MAWidgetEventData*) event.data;
// Here we handle clicked events.
if (MAW_EVENT_CLICKED == eventData->eventType)
{
if(mFlashModeButton == eventData->widgetHandle)
{
if(flashModeIndex < 3)
{
flashModeIndex++;
}
else
{
flashModeIndex = 0;
}
char buffer[128];
sprintf(buffer, "Flash Mode: %s", getModeForIndex(flashModeIndex));
maWidgetSetProperty(mFlashModeButton,MAW_BUTTON_TEXT, buffer);
}
else if(mSwapCameraButton == eventData->widgetHandle)
{
if(currentCamera < numCameras-1)
{
currentCamera++;
}
else
{
currentCamera = 0;
}
if(currentCamera == 0)
{
maWidgetSetProperty(
mSwapCameraButton,
MAW_LABEL_TEXT,
"Camera Selected: Back");
}
else
{
maWidgetSetProperty(
mSwapCameraButton,
MAW_LABEL_TEXT,
"Camera Selected: Front");
}
}
else if(mOKButton == eventData->widgetHandle)
{
isViewed= false;
maWidgetStackScreenPop(mStackScreen);
}
}
}
}
/**
* Implementation of standard API exposed to JavaScript
* This function is used to detect different messages from JavaScript
* and call the respective function in MoSync.
*
* @return true if stream was handled, false if not.
*/
bool NativeUIMessageHandler::handleMessage(Wormhole::MessageStream& stream)
{
char buffer[1024];
printf("Getting the next action \n");
char * action = (char*)stream.getNext();
printf("action: %s\n", action);
// Widget Handling Calls
if(0 == strcmp("maWidgetCreate", action))
{
char* widgetType = (char*)stream.getNext();
char* widgetID = (char*)stream.getNext();
char* callbackID = (char*)stream.getNext();
printf("maWidgetCreate: %s, %s, %s\n", widgetType, widgetID, callbackID);
int numParams = stringToInteger(stream.getNext());
MAWidgetHandle widget = maWidgetCreate(widgetType);
if(widget <= 0)
{
sprintf(buffer,"'%s', %d", callbackID, widget);
sendNativeUIError(buffer);
}
else
{
if(numParams > 0)
{
for(int i = 0; i < numParams/2; i++)
{
char* property = (char*)stream.getNext();
char* value = (char*)stream.getNext();
printf("maWidgetSetProperty %s, %s\n", property, value);
int res = maWidgetSetProperty(widget, property, value);
if(res < 0)
{
printf("could not set property\n");
}
else
{
printf("set property done\n");
}
}
}
//We use a special callback for widget creation
printf("calling CallBack \n");
sprintf(
buffer,
"mosync.nativeui.createCallback('%s', '%s', %d)",
callbackID,
widgetID,
widget);
printf("Done creatign the script %s\n", buffer);
mWebView->callJS(buffer);
printf("done Calling Callback");
}
}
else if(0 == strcmp("maWidgetDestroy", action))
{
MAWidgetHandle widget = stringToInteger(stream.getNext());
char* callbackID = (char*)stream.getNext();
int res = maWidgetDestroy(widget);
if(res < 0)
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUIError(buffer);
}
else
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUISuccess(buffer);
}
}
else if(0 == strcmp("maWidgetAddChild", action) )
{
MAWidgetHandle parent = stringToInteger(stream.getNext());
MAWidgetHandle child = stringToInteger(stream.getNext());
char* callbackID = (char*)stream.getNext();
int res = maWidgetAddChild(parent, child);
if(res < 0)
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUIError(buffer);
}
else
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUISuccess(buffer);
}
}
else if(0 == strcmp("maWidgetInsertChild", action))
{
MAWidgetHandle parent = stringToInteger((char*)stream.getNext());
MAWidgetHandle child = stringToInteger((char*)stream.getNext());
int index = stringToInteger((char*)stream.getNext());
char* callbackID = (char*)stream.getNext();
int res = maWidgetInsertChild(parent, child, index);
if(res < 0)
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUIError(buffer);
}
else
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUISuccess(buffer);
}
}
else if(0 == strcmp("maWidgetRemoveChild", action))
{
MAWidgetHandle child = stringToInteger(stream.getNext());
char* callbackID = (char*)stream.getNext();
int res = maWidgetRemoveChild(child);
if(res < 0)
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUIError(buffer);
}
else
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUISuccess(buffer);
}
}
else if(0 == strcmp("maWidgetModalDialogShow", action))
{
MAWidgetHandle dialogHandle =
stringToInteger(stream.getNext());
char* callbackID = (char*)stream.getNext();
int res = maWidgetModalDialogShow(dialogHandle);
if(res < 0)
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUIError(buffer);
}
else
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUISuccess(buffer);
}
}
else if(0 == strcmp("maWidgetModalDialogHide", action))
{
MAWidgetHandle dialogHandle =
stringToInteger(stream.getNext());
char* callbackID = (char*)stream.getNext();
int res = maWidgetModalDialogHide(dialogHandle);
if(res < 0)
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUIError(buffer);
}
else
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUISuccess(buffer);
}
}
else if(0 == strcmp("maWidgetScreenShow", action))
{
MAWidgetHandle screenHandle =
stringToInteger(stream.getNext());
char* callbackID = (char*)stream.getNext();
int res = maWidgetScreenShow(screenHandle);
if(res < 0)
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUIError(buffer);
}
else
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUISuccess(buffer);
}
}
else if(0 == strcmp("maWidgetStackScreenPush", action))
{
MAWidgetHandle stackScreen =
stringToInteger(stream.getNext());
MAWidgetHandle newScreen =
stringToInteger(stream.getNext());
char* callbackID = (char*)stream.getNext();
int res = maWidgetStackScreenPush(stackScreen, newScreen);
if(res < 0)
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUIError(buffer);
}
else
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUISuccess(buffer);
}
}
else if(0 == strcmp("maWidgetStackScreenPop", action))
{
MAWidgetHandle stackScreen =
stringToInteger(stream.getNext());
char* callbackID = (char*)stream.getNext();
int res = maWidgetStackScreenPop(stackScreen);
if(res < 0)
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUIError(buffer);
}
else
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUISuccess(buffer);
}
}
else if(0 == strcmp("maWidgetSetProperty", action))
{
MAWidgetHandle widget =
stringToInteger(stream.getNext());
char *property = (char*)stream.getNext();
char *value = (char*)stream.getNext();
char* callbackID = (char*)stream.getNext();
int res = maWidgetSetProperty(widget, property, value);
if(res < 0)
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUIError(buffer);
}
else
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUISuccess(buffer);
}
}
else if(0 == strcmp("maWidgetGetProperty", action))
{
char value[1024];
MAWidgetHandle widget =
stringToInteger(stream.getNext());
char* property = (char*)stream.getNext();
char* callbackID = (char*)stream.getNext();
int res = maWidgetGetProperty(widget, property, value, 1024);
if(res < 0)
{
sprintf(buffer,"'%s', %d", callbackID, res);
sendNativeUIError(buffer);
}
else
{
sprintf(buffer,"'%s', '%s', '%s'", callbackID, property, value);
sendNativeUISuccess(buffer);
}
}
// Tell the WebView that we have processed the stream, so that
// it can send the next one.
char replyScript[1024];
char * mosyncCallBackId = (char*)stream.getNext();
if(mosyncCallBackId != NULL)
{
sprintf(
replyScript,
"mosync.bridge.reply(%s)",
mosyncCallBackId);
printf("calling general callback %s\n", replyScript);
mWebView->callJS(replyScript);
}
return true;
}
