app.cpp
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#include <escher/app.h>
#include <escher/window.h>
extern "C" {
#include <assert.h>
}
I18n::Message App::Descriptor::name() {
return (I18n::Message)0;
}
I18n::Message App::Descriptor::upperName() {
return (I18n::Message)0;
}
const Image * App::Descriptor::icon() {
return nullptr;
}
void App::Snapshot::pack(App * app) {
tidy();
delete app;
}
void App::Snapshot::reset() {
}
void App::Snapshot::tidy() {
}
App::App(Container * container, Snapshot * snapshot, ViewController * rootViewController, I18n::Message warningMessage) :
Responder(nullptr),
m_magic(Magic),
m_modalViewController(this, rootViewController),
m_container(container),
m_firstResponder(nullptr),
m_snapshot(snapshot),
m_warningController(this, warningMessage)
{
}
App::Snapshot * App::snapshot() {
return m_snapshot;
}
bool App::processEvent(Ion::Events::Event event) {
Responder * responder = m_firstResponder;
bool didHandleEvent = false;
while (responder) {
didHandleEvent = responder->handleEvent(event);
if (didHandleEvent) {
return true;
}
responder = responder->parentResponder();
}
return false;
}
Responder * App::firstResponder() {
return m_firstResponder;
}
void App::setFirstResponder(Responder * responder) {
Responder * previousResponder = m_firstResponder;
m_firstResponder = responder;
if (previousResponder) {
Responder * commonAncestor = previousResponder->commonAncestorWith(m_firstResponder);
Responder * leafResponder = previousResponder;
while (leafResponder != commonAncestor) {
leafResponder->willExitResponderChain(m_firstResponder);
leafResponder = leafResponder->parentResponder();
}
previousResponder->willResignFirstResponder();
}
if (m_firstResponder) {
Responder * commonAncestor = m_firstResponder->commonAncestorWith(previousResponder);
Responder * leafResponder = m_firstResponder;
while (leafResponder != commonAncestor) {
leafResponder->didEnterResponderChain(previousResponder);
leafResponder = leafResponder->parentResponder();
}
m_firstResponder->didBecomeFirstResponder();
}
}
void App::displayModalViewController(ViewController * vc, float verticalAlignment, float horizontalAlignment,
KDCoordinate topMargin, KDCoordinate leftMargin, KDCoordinate bottomMargin, KDCoordinate rightMargin) {
if (m_modalViewController.isDisplayingModal()) {
m_modalViewController.dismissModalViewController();
}
m_modalViewController.displayModalViewController(vc, verticalAlignment, horizontalAlignment, topMargin, leftMargin, bottomMargin, rightMargin);
}
void App::dismissModalViewController() {
m_modalViewController.dismissModalViewController();
}
void App::displayWarning(I18n::Message warningMessage) {
m_warningController.setLabel(warningMessage);
m_modalViewController.displayModalViewController(&m_warningController, 0.5f, 0.5f);
}
const Container * App::container() const {
return m_container;
}
void App::didBecomeActive(Window * window) {
View * view = m_modalViewController.view();
assert(m_modalViewController.app() == this);
m_modalViewController.viewWillAppear();
window->setContentView(view);
setFirstResponder(&m_modalViewController);
}
void App::willBecomeInactive() {
if (m_modalViewController.isDisplayingModal()) {
dismissModalViewController();
}
setFirstResponder(nullptr);
m_modalViewController.viewDidDisappear();
}
View * App::modalView() {
return m_modalViewController.view();
}
int App::numberOfTimers() {
return 0;
}
Timer * App::timerAtIndex(int i) {
assert(false);
return nullptr;
}