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[escher] Create dynamic view controller

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Change-Id: Ic8fe6d095666aa7af76c8d328b0bf83342a09453
This commit is contained in:
Émilie Feral
2017-04-18 17:03:46 +02:00
parent 097ecc8b89
commit 50aacc79ec
19 changed files with 188 additions and 25 deletions
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34
escher/src/stack_view_controller.cpp
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@@ -90,8 +90,9 @@ const char * StackViewController::title() {
void StackViewController::push(ViewController * vc, KDColor textColor, KDColor backgroundColor, KDColor separatorColor) {
m_view.pushStack(vc, textColor, backgroundColor, separatorColor);
m_children[m_numberOfChildren++] = vc;
if (m_numberOfChildren > 1) {
if (m_numberOfChildren > 2) {
m_children[m_numberOfChildren-2]->viewDidDisappear();
m_children[m_numberOfChildren-2]->unloadView();
}
setupActiveViewController();
}
@@ -100,15 +101,19 @@ void StackViewController::pop() {
m_view.popStack();
assert(m_numberOfChildren > 0);
ViewController * vc = m_children[m_numberOfChildren-1];
vc->setParentResponder(nullptr);
m_numberOfChildren--;
vc->viewDidDisappear();
setupActiveViewController();
vc->setParentResponder(nullptr);
vc->unloadView();
}
void StackViewController::setupActiveViewController() {
ViewController * vc = m_children[m_numberOfChildren-1];
vc->setParentResponder(this);
if (m_numberOfChildren > 1) {
vc->loadView();
}
m_view.setContentView(vc->view());
vc->viewWillAppear();
app()->setFirstResponder(vc);
@@ -133,7 +138,12 @@ View * StackViewController::view() {
void StackViewController::viewWillAppear() {
if (m_rootViewController != nullptr) {
push(m_rootViewController, m_textColor, m_backgroundColor, m_separatorColor);
/* push the m_rootViewController without setting it as first responder
* (which will be done in did become first responder */
m_view.pushStack(m_rootViewController, m_textColor, m_backgroundColor, m_separatorColor);
m_children[m_numberOfChildren++] = m_rootViewController;
m_rootViewController->setParentResponder(this);
m_view.setContentView(m_rootViewController->view());
m_rootViewController = nullptr;
}
ViewController * vc = m_children[m_numberOfChildren-1];
@@ -148,3 +158,21 @@ void StackViewController::viewDidDisappear() {
vc->viewDidDisappear();
}
}
void StackViewController::loadView() {
if (m_rootViewController) {
m_rootViewController->loadView();
} else {
ViewController * vc = m_children[m_numberOfChildren-1];
if (m_numberOfChildren > 0 && vc) {
vc->loadView();
}
}
}
void StackViewController::unloadView() {
ViewController * vc = m_children[m_numberOfChildren-1];
if (m_numberOfChildren > 0 && vc) {
vc->unloadView();
}
}