barrier/server/CPrimaryScreen.cpp

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#include "CPrimaryScreen.h"
#include "IScreen.h"
#include "IScreenReceiver.h"
#include "ProtocolTypes.h"
#include "CLock.h"
#include "CThread.h"
#include "CLog.h"
//
// CPrimaryScreen
//
CPrimaryScreen::CPrimaryScreen(IScreenReceiver* receiver) :
m_receiver(receiver),
m_active(false)
{
// do nothing
}
CPrimaryScreen::~CPrimaryScreen()
{
// do nothing
}
void
CPrimaryScreen::run()
{
// change our priority
CThread::getCurrentThread().setPriority(-3);
// run event loop
try {
log((CLOG_DEBUG "entering event loop"));
onPreRun();
getScreen()->mainLoop();
onPostRun();
log((CLOG_DEBUG "exiting event loop"));
}
catch (...) {
onPostRun();
log((CLOG_DEBUG "exiting event loop"));
throw;
}
}
void
CPrimaryScreen::stop()
{
getScreen()->exitMainLoop();
}
void
CPrimaryScreen::open()
{
CClientInfo info;
try {
// subclass hook
onPreOpen();
// open the screen
getScreen()->open();
// create and prepare our window
createWindow();
// collect screen info
getScreen()->getShape(info.m_x, info.m_y, info.m_w, info.m_h);
getScreen()->getCursorPos(info.m_mx, info.m_my);
info.m_zoneSize = getJumpZoneSize();
// update keyboard state
updateKeys();
// get notified of screen saver activation/deactivation
getScreen()->openScreensaver(true);
// subclass hook
onPostOpen();
}
catch (...) {
close();
throw;
}
// enter the screen
{
CLock lock(&m_mutex);
enterNoWarp();
}
// send screen info
m_receiver->onInfoChanged(info);
}
void
CPrimaryScreen::close()
{
onPreClose();
getScreen()->closeScreensaver();
destroyWindow();
getScreen()->close();
onPostClose();
}
void
CPrimaryScreen::enter(SInt32 x, SInt32 y, bool forScreensaver)
{
log((CLOG_INFO "entering primary at %d,%d%s", x, y, forScreensaver ? " for screen saver" : ""));
CLock lock(&m_mutex);
assert(m_active == true);
if (!forScreensaver) {
warpCursor(x, y);
}
else {
onEnterScreensaver();
}
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enterNoWarp();
}
void
CPrimaryScreen::enterNoWarp()
{
// note -- must be locked on entry
// not active anymore
m_active = false;
// subclass hook
onPreEnter();
// restore active window and hide our window
hideWindow();
// subclass hook
onPostEnter();
}
bool
CPrimaryScreen::leave()
{
log((CLOG_INFO "leaving primary"));
CLock lock(&m_mutex);
assert(m_active == false);
// subclass hook
onPreLeave();
// show our window
if (!showWindow()) {
onPostLeave(false);
return false;
}
// get keyboard state as we leave
updateKeys();
// subclass hook
onPostLeave(true);
// warp mouse to center
warpCursorToCenter();
// local client now active
m_active = true;
// make sure our idea of clipboard ownership is correct
getScreen()->checkClipboards();
return true;
}
void
CPrimaryScreen::setClipboard(ClipboardID id,
const IClipboard* clipboard)
{
getScreen()->setClipboard(id, clipboard);
}
void
CPrimaryScreen::grabClipboard(ClipboardID id)
{
getScreen()->setClipboard(id, NULL);
}
bool
CPrimaryScreen::isActive() const
{
CLock lock(&m_mutex);
return m_active;
}
void
CPrimaryScreen::getClipboard(ClipboardID id,
IClipboard* clipboard) const
{
getScreen()->getClipboard(id, clipboard);
}
void
CPrimaryScreen::onPreRun()
{
// do nothing
}
void
CPrimaryScreen::onPostRun()
{
// do nothing
}
void
CPrimaryScreen::onPreOpen()
{
// do nothing
}
void
CPrimaryScreen::onPostOpen()
{
// do nothing
}
void
CPrimaryScreen::onPreClose()
{
// do nothing
}
void
CPrimaryScreen::onPostClose()
{
// do nothing
}
void
CPrimaryScreen::onPreEnter()
{
// do nothing
}
void
CPrimaryScreen::onPostEnter()
{
// do nothing
}
void
CPrimaryScreen::onEnterScreensaver()
{
// do nothing
}
void
CPrimaryScreen::onPreLeave()
{
// do nothing
}
void
CPrimaryScreen::onPostLeave(bool)
{
// do nothing
}