alternate_empty_view_controller.cpp
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#include <escher/alternate_empty_view_controller.h>
#include <escher/app.h>
#include <escher/palette.h>
#include <assert.h>
/* ContentView */
AlternateEmptyViewController::ContentView::ContentView(ViewController * mainViewController, AlternateEmptyViewDelegate * delegate) :
m_message(KDText::FontSize::Small, (I18n::Message)0, 0.5f, 0.5f, KDColorBlack, Palette::WallScreen),
m_mainViewController(mainViewController),
m_delegate(delegate)
{
}
int AlternateEmptyViewController::ContentView::numberOfSubviews() const {
return 1;
}
View * AlternateEmptyViewController::ContentView::subviewAtIndex(int index) {
assert(index == 0);
if (m_delegate->isEmpty()) {
m_message.setMessage(m_delegate->emptyMessage());
return &m_message;
}
return m_mainViewController->view();
}
void AlternateEmptyViewController::ContentView::layoutSubviews() {
if (alternateEmptyViewDelegate()->isEmpty()) {
m_message.setFrame(bounds());
} else {
m_mainViewController->view()->setFrame(bounds());
}
}
ViewController * AlternateEmptyViewController::ContentView::mainViewController() const {
return m_mainViewController;
}
AlternateEmptyViewDelegate * AlternateEmptyViewController::ContentView::alternateEmptyViewDelegate() const {
return m_delegate;
}
/* AlternateEmptyViewController */
AlternateEmptyViewController::AlternateEmptyViewController(Responder * parentResponder, ViewController * mainViewController, AlternateEmptyViewDelegate * delegate) :
ViewController(parentResponder),
m_contentView(mainViewController, delegate)
{
}
View * AlternateEmptyViewController::view() {
return &m_contentView;
}
const char * AlternateEmptyViewController::title() {
return m_contentView.mainViewController()->title();
}
bool AlternateEmptyViewController::handleEvent(Ion::Events::Event event) {
if (m_contentView.alternateEmptyViewDelegate()->isEmpty()) {
if (event != Ion::Events::Home && event != Ion::Events::OnOff) {
app()->setFirstResponder(m_contentView.alternateEmptyViewDelegate()->defaultController());
return true;
}
return false;
}
return false;
}
void AlternateEmptyViewController::didBecomeFirstResponder() {
if (!m_contentView.alternateEmptyViewDelegate()->isEmpty()) {
app()->setFirstResponder(m_contentView.mainViewController());
}
}
void AlternateEmptyViewController::viewWillAppear() {
m_contentView.layoutSubviews();
if (!m_contentView.alternateEmptyViewDelegate()->isEmpty()) {
m_contentView.mainViewController()->viewWillAppear();
}
}
void AlternateEmptyViewController::viewDidDisappear() {
if (!m_contentView.alternateEmptyViewDelegate()->isEmpty()) {
m_contentView.mainViewController()->viewDidDisappear();
}
}