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#include <LibDraw/GraphicsBitmap.h>
#include <LibGUI/GDragOperation.h>
#include <LibGUI/GWindowServerConnection.h>
static GDragOperation* s_current_drag_operation;
GDragOperation::GDragOperation(CObject* parent)
: CObject(parent)
{
}
GDragOperation::~GDragOperation()
{
}
GDragOperation::Outcome GDragOperation::exec()
{
ASSERT(!s_current_drag_operation);
ASSERT(!m_event_loop);
int bitmap_id = -1;
Size bitmap_size;
RefPtr<GraphicsBitmap> shared_bitmap;
if (m_bitmap) {
shared_bitmap = m_bitmap->to_shareable_bitmap();
shared_bitmap->shared_buffer()->share_with(GWindowServerConnection::the().server_pid());
bitmap_id = shared_bitmap->shared_buffer_id();
bitmap_size = shared_bitmap->size();
}
auto response = GWindowServerConnection::the().send_sync<WindowServer::StartDrag>(m_text, m_data_type, m_data, bitmap_id, bitmap_size);
if (!response->started()) {
m_outcome = Outcome::Cancelled;
return m_outcome;
}
s_current_drag_operation = this;
m_event_loop = make<CEventLoop>();
auto result = m_event_loop->exec();
m_event_loop = nullptr;
dbgprintf("%s: event loop returned with result %d\n", class_name(), result);
remove_from_parent();
s_current_drag_operation = nullptr;
return m_outcome;
}
void GDragOperation::done(Outcome outcome)
{
ASSERT(m_outcome == Outcome::None);
m_outcome = outcome;
m_event_loop->quit(0);
}
void GDragOperation::notify_accepted(Badge<GWindowServerConnection>)
{
ASSERT(s_current_drag_operation);
s_current_drag_operation->done(Outcome::Accepted);
}
void GDragOperation::notify_cancelled(Badge<GWindowServerConnection>)
{
ASSERT(s_current_drag_operation);
s_current_drag_operation->done(Outcome::Cancelled);
}
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