1 files changed, 163 insertions, 0 deletions
diff --git a/src/util/ege-appear-time-tracker.cpp b/src/util/ege-appear-time-tracker.cpp
new file mode 100644
index 0000000..d3c0899
--- /dev/null
+++ b/src/util/ege-appear-time-tracker.cpp
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MPL-1.1 OR LGPL-2.1-or-later
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Appear Time Tracker.
+ *
+ * The Initial Developer of the Original Code is
+ * Jon A. Cruz.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+
+#include "ege-appear-time-tracker.h"
+#include <glib-object.h>
+#include <gtk/gtk.h>
+
+
+namespace ege
+{
+
+namespace {
+
+void unhookHandler( gulong &id, GtkWidget *obj )
+{
+   if ( id ) {
+        if ( obj ) {
+            g_signal_handler_disconnect( G_OBJECT(obj), id );
+        }
+        id = 0;
+    }
+}
+
+} // namespace
+
+
+AppearTimeTracker::AppearTimeTracker(GTimer *timer, GtkWidget *widget, gchar const* name) : 
+    _name(name ? name : ""),
+    _timer(timer),
+    _widget(widget),
+    _topMost(widget),
+    _autodelete(false),
+    _mapId(0),
+    _realizeId(0),
+    _hierarchyId(0)
+
+{
+    while (gtk_widget_get_parent(_topMost)) {
+        _topMost = gtk_widget_get_parent(_topMost);
+    }
+    _mapId = g_signal_connect( G_OBJECT(_topMost), "map-event", G_CALLBACK(mapCB), this );
+    _realizeId = g_signal_connect( G_OBJECT(_topMost), "realize", G_CALLBACK(realizeCB), this );
+    _hierarchyId = g_signal_connect( G_OBJECT(_widget), "hierarchy-changed", G_CALLBACK(hierarchyCB), this );
+}
+
+AppearTimeTracker::~AppearTimeTracker()
+{
+    if ( _timer ) {
+        g_timer_destroy(_timer);
+        _timer = nullptr;
+    }
+
+    unhookHandler( _mapId, _topMost );
+    unhookHandler( _realizeId, _topMost );
+    unhookHandler( _hierarchyId, _widget );
+}
+
+void AppearTimeTracker::stop() {
+    if (_timer) {
+        g_timer_stop(_timer);
+    }
+}
+
+void AppearTimeTracker::setAutodelete(bool autodelete)
+{
+    if ( autodelete != _autodelete ) {
+        _autodelete = autodelete;
+    }
+}
+
+void AppearTimeTracker::report(gchar const* msg)
+{
+    gulong msCount = 0;
+    gdouble secs = g_timer_elapsed( _timer, &msCount );
+    g_message("Time ended at %2.3f with [%s] on [%s]", secs, msg, _name.c_str());
+}
+
+void AppearTimeTracker::handleHierarchyChange( GtkWidget * /*prevTop*/ )
+{
+    GtkWidget *newTop = _widget;
+    while (gtk_widget_get_parent(newTop)) {
+        newTop = gtk_widget_get_parent(newTop);
+    }
+
+    if ( newTop != _topMost ) {
+        unhookHandler( _mapId, _topMost );
+        unhookHandler( _realizeId, _topMost );
+
+        _topMost = newTop;
+        _mapId = g_signal_connect( G_OBJECT(_topMost), "map-event", G_CALLBACK(mapCB), this );
+        _realizeId = g_signal_connect( G_OBJECT(_topMost), "realize", G_CALLBACK(realizeCB), this );
+    }
+}
+
+gboolean AppearTimeTracker::mapCB(GtkWidget * /*widget*/, GdkEvent * /*event*/, gpointer userData)
+{
+    AppearTimeTracker *tracker = reinterpret_cast<AppearTimeTracker*>(userData);
+    tracker->report("MAP");
+    if ( tracker->_autodelete ) {
+        delete tracker;
+    }
+    return FALSE;
+}
+
+void AppearTimeTracker::realizeCB(GtkWidget * /*widget*/, gpointer userData)
+{
+    AppearTimeTracker *tracker = reinterpret_cast<AppearTimeTracker*>(userData);
+    tracker->report("REALIZE");
+}
+
+void AppearTimeTracker::hierarchyCB(GtkWidget * /*widget*/, GtkWidget *prevTop, gpointer userData)
+{
+    AppearTimeTracker *tracker = reinterpret_cast<AppearTimeTracker*>(userData);
+    tracker->handleHierarchyChange( prevTop );
+}
+
+} // namespace ege
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :