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#include "common.hh"
#include "xcb_atoms.hh"
#include "xcb_connection.hh"
#include "xcb_event.hh"
#include <map>
#include <vector>
namespace xcb {
namespace {
class AtomsImpl : public Atoms {
public:
explicit AtomsImpl(shared_conn conn)
: conn_(conn), storage_(std::make_shared<StorageImpl>()) {}
Reference get(std::string atom) override {
auto it = index_.find(atom);
size_t index;
if (it == index_.end()) {
index = cookie_.size();
cookie_.push_back(
xcb_intern_atom(conn_.get(), 0, atom.size(), atom.c_str()));
index_.emplace(std::move(atom), index);
} else {
index = it->second;
}
return Reference(storage_, index);
}
bool sync() override {
std::vector<xcb_atom_t> atoms;
atoms.reserve(cookie_.size());
for (auto const& cookie : cookie_) {
xcb::reply<xcb_intern_atom_reply_t> reply(
xcb_intern_atom_reply(conn_.get(), cookie, nullptr));
if (!reply)
return false;
atoms.push_back(reply->atom);
}
storage_->set(std::move(atoms));
return true;
}
private:
class StorageImpl : public Storage {
public:
xcb_atom_t get(size_t id) const override {
assert(id < resolved_.size());
return resolved_[id];
}
void set(std::vector<xcb_atom_t> resolved) {
resolved_ = std::move(resolved);
}
private:
std::vector<xcb_atom_t> resolved_;
};
shared_conn conn_;
std::map<std::string, size_t> index_;
std::vector<xcb_intern_atom_cookie_t> cookie_;
std::shared_ptr<StorageImpl> storage_;
};
} // namespace
std::unique_ptr<Atoms> Atoms::create(shared_conn conn) {
return std::make_unique<AtomsImpl>(conn);
}
} // namespace xcb
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