6663b6c9
 adorian
projet complet av...
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extern "C" {
#include <assert.h>
}
#include <escher/tab_view_controller.h>
#include <escher/metric.h>
#include <escher/app.h>
TabViewController::ContentView::ContentView() :
View(),
m_activeView(nullptr)
{
};
void TabViewController::ContentView::setActiveView(View * view) {
m_activeView = view;
layoutSubviews();
markRectAsDirty(bounds());
}
void TabViewController::ContentView::layoutSubviews() {
KDRect tabViewFrame = KDRect(
0, 0,
m_frame.width(), Metric::TabHeight
);
m_tabView.setFrame(tabViewFrame);
if (m_activeView) {
KDRect activeViewFrame = KDRect(
0, Metric::TabHeight,
m_frame.width(),
m_frame.height() - Metric::TabHeight
);
m_activeView->setFrame(activeViewFrame);
}
}
int TabViewController::ContentView::numberOfSubviews() const {
return 2;
}
View * TabViewController::ContentView::subviewAtIndex(int index) {
if (index == 0) {
return &m_tabView;
} else {
assert(index == 1);
return m_activeView;
}
}
#if ESCHER_VIEW_LOGGING
const char * TabViewController::ContentView::className() const {
return "TabViewController::ContentView";
}
#endif
TabViewController::TabViewController(Responder * parentResponder, TabViewDataSource * dataSource, ViewController * one, ViewController * two, ViewController * three, ViewController * four) :
ViewController(parentResponder),
m_dataSource(dataSource)
{
assert(one != nullptr);
assert(two != nullptr || (three == nullptr && four == nullptr));
assert(three != nullptr || four == nullptr);
m_children[0] = one;
m_children[1] = two;
m_children[2] = three;
m_children[3] = four;
m_numberOfChildren = 0;
while (m_numberOfChildren < k_maxNumberOfChildren && m_children[m_numberOfChildren] != nullptr) {
m_numberOfChildren++;
}
}
int TabViewController::activeTab() const {
return m_dataSource->activeTab();
}
bool TabViewController::handleEvent(Ion::Events::Event event) {
if (event == Ion::Events::Back) {
if (app()->firstResponder() != this) {
app()->setFirstResponder(this);
return true;
}
return false;
}
if (app()->firstResponder() != this) {
return false;
}
if (event == Ion::Events::Left) {
if (m_dataSource->selectedTab() > 0) {
setSelectedTab(m_dataSource->selectedTab()-1);
}
return true;
}
if (event == Ion::Events::Right) {
if (m_dataSource->selectedTab() < m_numberOfChildren-1) {
setSelectedTab(m_dataSource->selectedTab()+1);
}
return true;
}
if (event == Ion::Events::Down) {
setActiveTab(m_dataSource->activeTab());
return true;
}
if (event == Ion::Events::OK || event == Ion::Events::EXE) {
setActiveTab(m_dataSource->selectedTab());
return true;
}
return false;
}
void TabViewController::setActiveTab(int8_t i) {
assert(i >= 0 && i < m_numberOfChildren);
ViewController * activeVC = m_children[i];
if (i != m_dataSource->activeTab()) {
m_view.setActiveView(activeVC->view());
m_children[i]->viewWillAppear();
m_view.m_tabView.setActiveIndex(i);
}
app()->setFirstResponder(activeVC);
if (i != m_dataSource->activeTab()) {
m_children[m_dataSource->activeTab()]->viewDidDisappear();
m_dataSource->setActiveTab(i);
}
}
void TabViewController::setSelectedTab(int8_t i) {
if (i == m_dataSource->selectedTab()) {
return;
}
m_view.m_tabView.setSelectedIndex(i);
m_dataSource->setSelectedTab(i);
}
void TabViewController::didEnterResponderChain(Responder * previousResponder) {
app()->setFirstResponder(activeViewController());
}
void TabViewController::didBecomeFirstResponder() {
setSelectedTab(m_dataSource->activeTab());
}
void TabViewController::willResignFirstResponder() {
setSelectedTab(-1);
}
View * TabViewController::view() {
return &m_view;
}
uint8_t TabViewController::numberOfTabs() {
return m_numberOfChildren;
}
const char * TabViewController::tabName(uint8_t index) {
return m_children[index]->title();
}
void TabViewController::viewWillAppear() {
if (m_view.m_tabView.numberOfTabs() != m_numberOfChildren) {
for (int i=0; i<m_numberOfChildren; i++) {
m_view.m_tabView.addTab(m_children[i]);
}
}
if (m_dataSource->activeTab() < 0) {
m_dataSource->setActiveTab(0);
}
m_view.setActiveView(m_children[m_dataSource->activeTab()]->view());
activeViewController()->viewWillAppear();
m_view.m_tabView.setActiveIndex(m_dataSource->activeTab());
}
void TabViewController::viewDidDisappear() {
activeViewController()->viewDidDisappear();
}
ViewController * TabViewController::activeViewController() {
assert(m_dataSource->activeTab() >= 0 && m_dataSource->activeTab() < m_numberOfChildren);
return m_children[m_dataSource->activeTab()];
}
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