XCB platform plugin: use QBasicTimer instead of storing a timer id

Change-Id: Ibd329e17acda73bd892533836b3048c664336fc7
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/plugins/platforms/xcb/qxcbclipboard.cpp

@@ -13,6 +13,8 @@
 
 #include <QtCore/QDebug>
 
+using namespace std::chrono_literals;
+
 QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_CLIPBOARD
@@ -130,14 +132,12 @@ QXcbClipboardTransaction::QXcbClipboardTransaction(QXcbClipboard *clipboard, xcb
     xcb_change_window_attributes(m_clipboard->xcb_connection(), m_window,
                                  XCB_CW_EVENT_MASK, values);
 
-    m_abortTimerId = startTimer(std::chrono::milliseconds{m_clipboard->clipboardTimeout()});
+    m_abortTimer.start(m_clipboard->clipboardTimeout() * 1ms, this);
 }
 
 QXcbClipboardTransaction::~QXcbClipboardTransaction()
 {
-    if (m_abortTimerId)
-        killTimer(m_abortTimerId);
-    m_abortTimerId = 0;
+    m_abortTimer.stop();
     m_clipboard->removeTransaction(m_window);
 }
 
@@ -147,9 +147,7 @@ bool QXcbClipboardTransaction::updateIncrementalProperty(const xcb_property_noti
         return false;
 
     // restart the timer
-    if (m_abortTimerId)
-        killTimer(m_abortTimerId);
-    m_abortTimerId = startTimer(std::chrono::milliseconds{m_clipboard->clipboardTimeout()});
+    m_abortTimer.start(m_clipboard->clipboardTimeout() * 1ms, this);
 
     uint bytes_left = uint(m_data.size()) - m_offset;
     if (bytes_left > 0) {
@@ -180,7 +178,7 @@ bool QXcbClipboardTransaction::updateIncrementalProperty(const xcb_property_noti
 
 void QXcbClipboardTransaction::timerEvent(QTimerEvent *ev)
 {
-    if (ev->timerId() == m_abortTimerId) {
+    if (ev->id() == m_abortTimer.id()) {
         // this can happen when the X client we are sending data
         // to decides to exit (normally or abnormally)
         qCDebug(lcQpaClipboard, "timed out while sending data to %p", this);

src/plugins/platforms/xcb/qxcbclipboard.h

@@ -9,6 +9,7 @@
 #include <xcb/xcb.h>
 #include <xcb/xfixes.h>
 
+#include <QtCore/qbasictimer.h>
 #include <QtCore/qobject.h>
 #include <QtCore/qmap.h>
 
@@ -42,7 +43,7 @@ private:
     xcb_atom_t m_target;
     uint8_t m_format;
     uint m_offset = 0;
-    int m_abortTimerId = 0;
+    QBasicTimer m_abortTimer;
 };
 
 class QXcbClipboard : public QXcbObject, public QPlatformClipboard

src/plugins/platforms/xcb/qxcbdrag.cpp

@@ -91,7 +91,6 @@ QXcbDrag::QXcbDrag(QXcbConnection *c) : QXcbObject(c)
     m_dropData = new QXcbDropData(this);
 
     init();
-    cleanup_timer = -1;
 }
 
 QXcbDrag::~QXcbDrag()
@@ -508,9 +507,8 @@ void QXcbDrag::drop(const QPoint &globalPos, Qt::MouseButtons b, Qt::KeyboardMod
     transactions.append(t);
 
     // timer is needed only for drops that came from other processes.
-    if (!t.targetWindow && cleanup_timer == -1) {
-        cleanup_timer = startTimer(XdndDropTransactionTimeout);
-    }
+    if (!t.targetWindow && !cleanup_timer.isActive())
+        cleanup_timer.start(XdndDropTransactionTimeout, this);
 
     qCDebug(lcQpaXDnd) << "sending drop to target:" << current_target;
 
@@ -1089,7 +1087,7 @@ void QXcbDrag::handleFinished(const xcb_client_message_event_t *event)
 
 void QXcbDrag::timerEvent(QTimerEvent* e)
 {
-    if (e->timerId() == cleanup_timer) {
+    if (e->id() == cleanup_timer.id()) {
         bool stopTimer = true;
         for (int i = 0; i < transactions.size(); ++i) {
             const Transaction &t = transactions.at(i);
@@ -1115,10 +1113,8 @@ void QXcbDrag::timerEvent(QTimerEvent* e)
             }
 
         }
-        if (stopTimer && cleanup_timer != -1) {
-            killTimer(cleanup_timer);
-            cleanup_timer = -1;
-        }
+        if (stopTimer)
+            cleanup_timer.stop();
     }
 }
 

src/plugins/platforms/xcb/qxcbdrag.h

@@ -128,7 +128,7 @@ private:
 
     // 10 minute timer used to discard old XdndDrop transactions
     static constexpr std::chrono::minutes XdndDropTransactionTimeout{10};
-    int cleanup_timer;
+    QBasicTimer cleanup_timer;
 
     QList<xcb_atom_t> drag_types;