vdr-plugin-skindesigner/coreengine/view.c
2016-03-06 07:42:29 +01:00

424 lines
12 KiB
C

#include "../config.h"
#include "view.h"
// --- cView -------------------------------------------------------------
cView::cView(void) {
globals = NULL;
viewName = NULL;
attribs = new cViewAttribs((int)eViewAttribs::count);
numViewElements = 0;
viewElements = NULL;
viewElementsHorizontal = NULL;
fader = NULL;
shifter = NULL;
currentTvFrame = NULL;
newTvFrame = NULL;
menuInit = false;
}
cView::~cView() {
for (int i=0; i< numViewElements; i++)
delete viewElements[i];
delete[] viewElements;
if (viewElementsHorizontal) {
for (int i=0; i< numViewElements; i++)
delete viewElementsHorizontal[i];
delete[] viewElementsHorizontal;
}
delete attribs;
free(viewName);
delete fader;
delete shifter;
sdOsd.DeleteOsd();
}
/*******************************************************************
* Public Functions
*******************************************************************/
bool cView::ReadFromXML(void) {
const char *xmlFile;
switch (viewId) {
case eViewType::DisplayChannel:
xmlFile = "displaychannel.xml";
break;
case eViewType::DisplayMenu:
xmlFile = "displaymenu.xml";
break;
case eViewType::DisplayMessage:
xmlFile = "displaymessage.xml";
break;
case eViewType::DisplayReplay:
xmlFile = "displayreplay.xml";
break;
case eViewType::DisplayVolume:
xmlFile = "displayvolume.xml";
break;
case eViewType::DisplayTracks:
xmlFile = "displayaudiotracks.xml";
break;
default:
return false;
}
cXmlParser parser;
parser.SetOsd(&sdOsd);
if (!parser.ReadView(this, xmlFile)) {
return false;
}
if (!parser.ParseView()) {
return false;
}
//read additional plugin menu templates
bool ok = true;
if (viewId == eViewType::DisplayMenu) {
plgManager->InitPluginMenuIterator();
map <int,skindesignerapi::sPlugMenu> *plugMenus = NULL;
string plugName = "";
int plugId = -1;
while ( plugMenus = plgManager->GetPluginMenus(plugName, plugId) ) {
for (map <int,skindesignerapi::sPlugMenu>::iterator it = plugMenus->begin(); it != plugMenus->end(); it++) {
int templateNumber = it->first;
int menuType = it->second.type;
cString templateName = cString::sprintf("plug-%s-%s", plugName.c_str(), it->second.tplname.c_str());
if (parser.ReadPluginView(*templateName)) {
ok = parser.ParsePluginView(plugName, plugId, templateNumber, menuType);
} else {
dsyslog("skindesigner: template %s for plugin %s not available", *templateName, plugName.c_str());
}
}
}
}
return ok;
}
void cView::SetGlobals(cGlobals *globals) {
this->globals = globals;
attribs->SetGlobals(globals);
for (int i=0; i < numViewElements; ++i) {
if (viewElements[i]) {
viewElements[i]->SetGlobals(globals);
}
if (viewElementsHorizontal && viewElementsHorizontal[i]) {
viewElementsHorizontal[i]->SetGlobals(globals);
}
}
}
void cView::SetContainer(int x, int y, int width, int height) {
container.SetX(x);
container.SetY(y);
container.SetWidth(width);
container.SetHeight(height);
}
void cView::SetAttributes(vector<stringpair> &attributes) {
attribs->Set(attributes);
}
void cView::AddViewElement(const char *sViewElement, cViewElement *viewElement) {
int id = ViewElementId(sViewElement);
if (id == ATTR_UNKNOWN)
return;
viewElement->SetId(id);
viewElement->SetTokenContainer();
eOrientation orientation = viewElement->Orientation();
if (viewElementsHorizontal && orientation == eOrientation::horizontal) {
viewElementsHorizontal[id] = viewElement;
} else {
viewElements[id] = viewElement;
}
}
bool cView::ValidViewElement(const char *viewElement) {
if (ViewElementId(viewElement) != ATTR_UNKNOWN)
return true;
return false;
}
bool cView::ValidViewList(const char *viewList) {
if (!strcmp(viewList, "menuitems"))
return true;
return false;
}
void cView::PreCache(void) {
bool rootView = (container.Width() == 0) ? true : false;
if (rootView) {
SetContainer(0, 0, cOsd::OsdWidth(), cOsd::OsdHeight());
attribs->SetContainer(0, 0, cOsd::OsdWidth(), cOsd::OsdHeight());
attribs->Cache();
rootView = true;
}
//set frame for scaling tv picture
tvFrame = attribs->TvFrame();
//cache viewelements
int contX = rootView ? 0 : ((attribs->X() > -1) ? attribs->X() : 0);
int contY = rootView ? 0 : ((attribs->Y() > -1) ? attribs->Y() : 0);
for (int i=0; i < numViewElements; i++) {
if (!viewElements[i])
continue;
viewElements[i]->SetContainer(contX, contY, attribs->Width(), attribs->Height());
viewElements[i]->Cache();
}
if (viewElementsHorizontal) {
for (int i=0; i < numViewElements; i++) {
if (!viewElementsHorizontal[i])
continue;
viewElementsHorizontal[i]->SetContainer(contX, contY, attribs->Width(), attribs->Height());
viewElementsHorizontal[i]->Cache();
}
}
//cleanup viewelements
for (int i=0; i < numViewElements; i++) {
if (!viewElements[i])
continue;
if (!viewElements[i]->Execute()) {
delete viewElements[i];
viewElements[i] = NULL;
}
}
if (viewElementsHorizontal) {
for (int i=0; i < numViewElements; i++) {
if (!viewElementsHorizontal[i])
continue;
if (!viewElementsHorizontal[i]->Execute()) {
delete viewElementsHorizontal[i];
viewElementsHorizontal[i] = NULL;
}
}
}
//set viewelement objects for each view
SetViewElementObjects();
}
bool cView::Init(void) {
int osdX = attribs->X();
int osdY = attribs->Y();
int osdWidth = attribs->Width();
int osdHeight = attribs->Height();
return sdOsd.CreateOsd(osdX, osdY, osdWidth, osdHeight);
}
void cView::Clear(int ve, bool forceClearBackground) {
if (!viewElements[ve])
return;
viewElements[ve]->Clear(forceClearBackground);
}
void cView::Render(int ve, bool force) {
if (!viewElements[ve])
return;
if (viewElements[ve]->Parse(force))
viewElements[ve]->Render();
}
void cView::Close(void) {
delete fader;
fader = NULL;
delete shifter;
shifter = NULL;
if (initFinished && ShiftTime() > 0) {
cRect shiftbox = CoveredArea();
cPoint ref = cPoint(shiftbox.X(), shiftbox.Y());
cPoint end = ShiftStart(shiftbox);
shifter = new cAnimation((cShiftable*)this, end, ref, false);
shifter->Shift();
delete shifter;
shifter = NULL;
} else if (initFinished && FadeTime() > 0) {
fader = new cAnimation((cFadable*)this, false);
fader->Fade();
delete fader;
fader = NULL;
}
UnScaleTv();
ClearVariables();
for (int i=0; i < numViewElements; i++) {
if (!viewElements[i])
continue;
viewElements[i]->Close();
}
sdOsd.DeleteOsd();
}
int cView::FadeTime(void) {
return attribs->FadeTime();
}
void cView::SetTransparency(int transparency, bool force) {
for (int i = 0; i < numViewElements; i++) {
if (viewElements[i] && (!viewElements[i]->Fading() || force)) {
viewElements[i]->SetTransparency(transparency);
}
}
}
int cView::ShiftTime(void) {
return attribs->ShiftTime();
}
int cView::ShiftMode(void) {
return attribs->ShiftMode();
}
void cView::SetPosition(cPoint &position, cPoint &reference, bool force) {
for (int i = 0; i < numViewElements; i++) {
if (viewElements[i] && (!viewElements[i]->Shifting() || force)) {
viewElements[i]->SetPosition(position, reference);
}
}
}
void cView::Flush(void) {
if (init) {
init = false;
StartAnimation();
menuInit = true;
//LockFlush was set at startup of view to avoid display
//of not positioned pixmaps for shifting and fading
sdOsd.UnlockFlush();
}
if (menuInit) {
ScaleTv();
WakeViewElements();
menuInit = false;
}
sdOsd.Flush();
}
void cView::Debug(void) {
esyslog("skindesigner: ---> view %s", viewName);
attribs->Debug();
for (int i=0; i < numViewElements; i++) {
if (!viewElements[i])
continue;
esyslog("skindesigner: debugging ve %d", i);
viewElements[i]->Debug(true);
}
}
/*******************************************************************
* Protected Functions
*******************************************************************/
void cView::ClearVariables(void) {
init = true;
initFinished = false;
newTvFrame = NULL;
currentTvFrame = NULL;
menuInit = false;
}
int cView::ViewElementId(const char *name) {
map<string, int>::iterator hit = viewElementNames.find(name);
if (hit != viewElementNames.end())
return (int)hit->second;
return ATTR_UNKNOWN;
}
void cView::StartAnimation(void) {
if (ShiftTime() > 0) {
cRect shiftbox = CoveredArea();
cPoint ref = cPoint(shiftbox.X(), shiftbox.Y());
cPoint start = ShiftStart(shiftbox);
SetPosition(start, ref);
shifter = new cAnimation((cShiftable*)this, start, ref, true);
shifter->Start();
} else if (FadeTime() > 0) {
if (fader)
return;
SetTransparency(100);
sdOsd.Flush();
fader = new cAnimation((cFadable*)this, true);
fader->Start();
}
initFinished = true;
}
void cView::WakeViewElements(void) {
for (int i = 0; i < numViewElements; i++) {
if (viewElements[i]) {
viewElements[i]->WakeUp();
}
}
if (!viewElementsHorizontal)
return;
for (int i = 0; i < numViewElements; i++) {
if (viewElementsHorizontal[i]) {
viewElementsHorizontal[i]->WakeUp();
}
}
}
cPoint cView::ShiftStart(cRect &shiftbox) {
eShiftType type = (eShiftType)attribs->ShiftType();
cPoint start;
if (type == eShiftType::none) {
start = attribs->ShiftStartpoint();
} else if (type == eShiftType::left) {
start.SetX(-shiftbox.Width());
start.SetY(shiftbox.Y());
} else if (type == eShiftType::right) {
start.SetX(attribs->Width());
start.SetY(shiftbox.Y());
} else if (type == eShiftType::top) {
start.SetX(shiftbox.X());
start.SetY(-shiftbox.Height());
} else if (type == eShiftType::bottom) {
start.SetX(shiftbox.X());
start.SetY(attribs->Height());
}
return start;
}
cRect cView::CoveredArea(void) {
cRect unionArea;
for (int i = 0; i < numViewElements; i++) {
if (viewElements[i] && !viewElements[i]->Shifting()) {
unionArea.Combine(viewElements[i]->CoveredArea());
}
}
return unionArea;
}
void cView::ScaleTv(void) {
bool scale = false;
if (newTvFrame) {
if (currentTvFrame) {
if (*newTvFrame != *currentTvFrame) {
scale = true;
}
} else {
scale = true;
}
currentTvFrame = newTvFrame;
} else {
if (tvFrame != cRect::Null) {
scale = true;
currentTvFrame = &tvFrame;
}
}
if (currentTvFrame && scale) {
DoScaleTv(currentTvFrame);
}
}
void cView::UnScaleTv(void) {
if (currentTvFrame) {
DoScaleTv(&cRect::Null);
currentTvFrame = NULL;
}
}
void cView::DoScaleTv(const cRect *frame) {
if (*frame == cRect::Null) {
cDevice::PrimaryDevice()->ScaleVideo(cRect::Null);
} else {
cRect scalingWindow = cDevice::PrimaryDevice()->CanScaleVideo(*frame);
if (scalingWindow != cRect::Null) {
cDevice::PrimaryDevice()->ScaleVideo(scalingWindow);
}
}
}