/**
* Destructor.
*/
Widget::~Widget()
{
// If my widget handle is NOT NULL, I set it
// to NULL in me and all my children, because
// once the widget handle is destroyed it will
// destroy all child widgets on the native side.
MAWidgetHandle widgetHandle = mWidgetHandle;
if (NULL != widgetHandle)
{
markWidgetHandleAsDeleted();
}
// Now I recursively delete all my children. They
// will not destroy their widget handles, because
// they are set to NULL in the above step.
for (int i = 0; i < mChildren.size(); ++i)
{
delete mChildren[i];
}
// If I had a widget handle, it is now destroyed, which
// also destroys all child widgets on the native side.
if (NULL != widgetHandle)
{
maWidgetDestroy(widgetHandle);
}
}
/**
* The purpose of this test is to test the creation and destruction
* of a screen.
*/
void createWidget(const char *type)
{
int widgetHandle = maWidgetCreate( type );
TESTIFY_ASSERT_NOT_EQUAL( widgetHandle, MAW_RES_INVALID_TYPE_NAME );
TESTIFY_ASSERT( widgetHandle >= 0 );
int destroyStatus = maWidgetDestroy( widgetHandle );
TESTIFY_ASSERT_EQUAL( destroyStatus, MAW_RES_OK );
}
void
WidgetTest::testTearDown(void)
{
TESTIFY_ASSERT( m_testWidgetHandle >= 0 );
TESTIFY_ASSERT_EQUAL( maWidgetDestroy( m_testWidgetHandle ), MAW_RES_OK );
m_testWidgetHandle = -1;
// Keep default behavior
Testify::TestCase::testTearDown( );
}
/**
* Tests to insert an element at a bad index.
*/
void testBadInsert()
{
int listView = maWidgetCreate( MAW_LIST_VIEW );
TESTIFY_ASSERT( listView > 0 );
int firstChild = maWidgetCreate( MAW_LABEL );
TESTIFY_ASSERT( firstChild > 0 );
TESTIFY_ASSERT_EQUAL( maWidgetInsertChild( listView, firstChild, -515 ), MAW_RES_INVALID_INDEX );
maWidgetDestroy( listView );
}
/**
* Check if NativeUI is supported, panic with a help text
* for the user if not.
*/
static void checkNativeUISupport()
{
int widget = maWidgetCreate(MAW_WEB_VIEW);
if (widget < 0)
{
maPanic(0, "NativeUI is only available on Android, iOS, and Windows Phone 7.");
}
else
{
maWidgetDestroy(widget);
}
}
/**
* The destructor deletes the main widget
* and all of its children.
*/
NativeScreen::~NativeScreen()
{
// Remove the listener
MAUtil::Environment::getEnvironment().removeCustomEventListener(this);
// Delete the main widget, also deletes child widgets.
maWidgetDestroy(mMainLayout);
if (mLastDisplayedImageHandle != -1)
{
maDestroyPlaceholder(mLastDisplayedImageHandle);
}
}
/**
* Tests to insert an element at the end of a list.
*/
void testInsertLast()
{
int listView = maWidgetCreate( MAW_LIST_VIEW );
TESTIFY_ASSERT( listView > 0 );
int firstChild = maWidgetCreate( MAW_LABEL );
TESTIFY_ASSERT( firstChild > 0 );
TESTIFY_ASSERT_EQUAL( maWidgetInsertChild( listView, firstChild, 0 ), MAW_RES_OK );
int secondChild = maWidgetCreate( MAW_LABEL );
TESTIFY_ASSERT( secondChild > 0 );
TESTIFY_ASSERT_EQUAL( maWidgetInsertChild( listView, secondChild, -1 ), MAW_RES_OK );
maWidgetDestroy( listView );
}
/**
* Tests to add and remove children from the layout.
*/
void testAddAndRemoveChildren()
{
MAWidgetHandle children[ 10 ];
for(int i = 0; i < NUM_CHILDREN; i++)
{
children[ i ] = maWidgetCreate( MAW_LABEL );
TESTIFY_ASSERT( children[ i ] >= 0 );
TESTIFY_ASSERT_EQUAL( maWidgetAddChild( getTestWidgetHandle( ), children[ i ] ), MAW_RES_OK );
}
for(int i = 0; i < NUM_CHILDREN; i++)
{
TESTIFY_ASSERT_EQUAL( maWidgetRemoveChild( children[ i ] ), MAW_RES_OK );
TESTIFY_ASSERT_EQUAL( maWidgetDestroy( children[ i ] ), MAW_RES_OK );
}
}
/**
* Fill the list box with data provided by the engine.
*/
void SummaryScreen::fillListBox()
{
// Clear previous data.
mSnippetLabels.clear();
mSnippets.clear();
// For each snippet we need to know the article title.
mSnippets = mWiki->getAllSnippetsWithTitle();
// Destroy the list view, and recreate it.
if ( mListView != -1){
maWidgetDestroy(mListView);
}
mListView = createListView(mScreenWidth, 7*mScreenHeight/8);
setWidgetProperty(mListView, MAW_WIDGET_BACKGROUND_COLOR, DARK_WHITE, 16);
maWidgetAddChild(mMainLayout, mListView);
// If no titles are selected, display a short message.
if (mSnippets.size() == 0)
{
MAWidgetHandle listItem = maWidgetCreate(MAW_LIST_VIEW_ITEM);
maWidgetSetProperty(
listItem,
MAW_LIST_VIEW_ITEM_TEXT,
WARNING_NOTHING_SELECTED.c_str() );
maWidgetAddChild(mListView, listItem);
}
// Update the UI.
for (int i=0; i < mSnippets.size(); i++)
{
MAWidgetHandle listItem = maWidgetCreate(MAW_LIST_VIEW_ITEM);
maWidgetSetProperty(
listItem,
MAW_LIST_VIEW_ITEM_TEXT,
mSnippets[i].c_str() );
mSnippetLabels.add(listItem);
maWidgetAddChild(mListView,mSnippetLabels[i]);
}
}
void destroyUI()
{
maWidgetDestroy(mScreen);
}
/**
* Lay out the widgets (portrait mode).
*/
void HomeScreen::setupUI()
{
// Get the handle to the main layout and the screen.
mMainLayout = getMainLayout();
mScreen = getScreen();
mLabel = getTopLabel();
mSearchButton = getTopButtonRight();
// We do not need a Back button in this screen,
// so we can dismiss it.
MAWidgetHandle backBtn = getTopButtonLeft();
maWidgetDestroy(backBtn);
// The creation of the main layout is already done in the base class
// constructor, called at derived object creation.
// So, we can use a handle for the main layout at any point.
// Set the text for the button widget in the top layout.
setButtonText(mSearchButton, " NEXT ");
// Add a label before the Progress bar.
mProgressLabel = createLabel(
mScreenWidth,
" Please wait...",
DARK_GREY,
mFontSize );
// Show it only after Search is pressed.
maWidgetSetProperty(mProgressLabel,MAW_WIDGET_VISIBLE, "false");
maWidgetAddChild(mMainLayout, mProgressLabel);
// Create a progress bar for the Search action.
mProgressBar = createProgressBar();
// Set the range of the progress bar from 0..100
setWidgetProperty(
mProgressBar, MAW_PROGRESS_BAR_MAX, PROGRESS_BAR_MAX_VALUE);
// Set the progress value to 0.
setWidgetProperty(
mProgressBar, MAW_PROGRESS_BAR_PROGRESS, 0);
// Hide the widget at first, and display it when a Search is being performed.
maWidgetSetProperty(
mProgressBar, MAW_WIDGET_VISIBLE, "false");
maWidgetAddChild(mMainLayout, mProgressBar);
// Next, fill the remaining space with an edit box and
// some check boxes for the categories.
MAWidgetHandle hintLabel = createLabel(
mScreenWidth,
MESSAGE_EDITBOX_HINT.c_str(),
BLUE,
mFontSize);
maWidgetSetProperty(
hintLabel,MAW_LABEL_TEXT_HORIZONTAL_ALIGNMENT,MAW_ALIGNMENT_LEFT);
maWidgetAddChild(mMainLayout, hintLabel);
// Add only one edit box.
mEditBox = createEditBox(mScreenWidth, MAW_CONSTANT_WRAP_CONTENT);
maWidgetAddChild(mMainLayout, mEditBox);
// Add a small spacer before the categories.
maWidgetAddChild(mMainLayout, createSpacer(mScreenWidth, mPaddingSize));
// Add the layout with checkable categories.
maWidgetAddChild( mMainLayout, createCategoriesLayout());
// Add a label for the slider.
MAWidgetHandle sliderLabel = createLabel(
mScreenWidth,
" Please select the results limit. ",
BLUE,mFontSize);
maWidgetAddChild(mMainLayout, sliderLabel);
// Create a slider control for selecting the desired number of results.
mSlider = createSlider();
setWidgetProperty(mSlider, MAW_SLIDER_MAX, SLIDER_MAX_VALUE);
// Set the current slider value to 10.
setWidgetProperty(mSlider, MAW_SLIDER_VALUE, 10);
maWidgetAddChild(mMainLayout, mSlider);
// Add two labels with minimum and maximum value of the slider.
MAWidgetHandle valuesLayout = maWidgetCreate(MAW_HORIZONTAL_LAYOUT);
MAWidgetHandle minValue = createLabel(
mScreenWidth / 2,
" 0 ",
DARK_GREY,
mFontSize);
maWidgetSetProperty(minValue, MAW_LABEL_TEXT_HORIZONTAL_ALIGNMENT,
MAW_ALIGNMENT_LEFT);
maWidgetAddChild(valuesLayout, minValue);
MAWidgetHandle maxValue = createLabel(
mScreenWidth / 2,
"", DARK_GREY,
mFontSize);
setWidgetProperty(maxValue, MAW_LABEL_TEXT, SLIDER_MAX_VALUE);
maWidgetSetProperty(maxValue, MAW_LABEL_TEXT_HORIZONTAL_ALIGNMENT,
MAW_ALIGNMENT_RIGHT);
maWidgetAddChild(valuesLayout, maxValue);
// Add this layout to the main one.
maWidgetAddChild(mMainLayout, valuesLayout);
}
/**
* The destructor deletes the main widget
* and all of its children.
*/
NativeScreen::~NativeScreen()
{
// Delete the main widget, also deletes child widgets.
maWidgetDestroy(mMainLayout);
}
//The last method of the AppScreen class is the destructor, it is used
//to release the memory used by the native UI widgets. In this case we
//just need to delete the main widget: all its children will automatically
//be deleted too.
~AppScreen()
{
maWidgetDestroy(mMainLayoutWidget);
}
/**
* 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;
}
/**
* Fill the list box with data provided by the engine.
*/
void TitleScreen::fillListBox()
{
// Clear previous entries.
mCheckBoxes.clear();
mTitleLabels.clear();
mTitles.clear();
mSnippets.clear();
mTitles = mWiki->getAllTitles();
mSnippets = mWiki->getAllSnippets();
// Destroy the list view, and recreate it.
if ( mListView != -1){
maWidgetDestroy(mListView);
}
mListView = createListView(mScreenWidth, MAW_CONSTANT_FILL_AVAILABLE_SPACE);
maWidgetAddChild(mMainLayout, mListView);
// Add a Select/Deselect All button.
MAWidgetHandle selectAllLayout = maWidgetCreate(MAW_HORIZONTAL_LAYOUT);
// Set layout's size.
setWidgetSize(
selectAllLayout, mScreenWidth, MAW_CONSTANT_FILL_AVAILABLE_SPACE);
mSelectAll = createCheckBox();
// All titles are deselected by default.
maWidgetSetProperty(mSelectAll, MAW_CHECK_BOX_CHECKED, "false");
maWidgetAddChild(selectAllLayout, mSelectAll);
MAWidgetHandle labelSelectAll = createLabel(
MAW_CONSTANT_FILL_AVAILABLE_SPACE,
MESSAGE_SELECT_ALL.c_str(),
DARK_GREY,
mFontSize );
mTitleLabels.add(labelSelectAll);
maWidgetAddChild(selectAllLayout, labelSelectAll);
maWidgetAddChild(mListView,selectAllLayout);
// Update the UI.
for (int i=0; i < mTitles.size(); i++)
{
// Add results in a horizontal layout.
MAWidgetHandle layout = maWidgetCreate(MAW_HORIZONTAL_LAYOUT);
setWidgetSize(layout, mScreenWidth, MAW_CONSTANT_FILL_AVAILABLE_SPACE);
MAWidgetHandle checkbox = createCheckBox();
mCheckBoxes.add(checkbox);
maWidgetAddChild(layout, mCheckBoxes[i]);
MAWidgetHandle label = createLabel(
MAW_CONSTANT_FILL_AVAILABLE_SPACE,
mTitles[i].c_str(),
BLUE,
mFontSize);
mTitleLabels.add(label);
maWidgetAddChild(layout, label);
setWidgetProperty(layout, MAW_WIDGET_BACKGROUND_COLOR, DARK_WHITE, 16);
maWidgetAddChild(mListView,layout);
}
}
