From 6d3a2cd5fd6ef933159f0d79d7361c6d7434c2e9 Mon Sep 17 00:00:00 2001
From: Laxmikant Rashinkar <LK.Rashinkar@gmail.com>
Date: Thu, 27 Jun 2013 17:48:52 -0700
Subject: [PATCH] vrplayer: pause video during window move and resize

---
 vrplayer/mainwindow.cpp | 99 ++++++++++++++++++++++++++++++++++++-----
 vrplayer/mainwindow.h   |  5 +++
 2 files changed, 94 insertions(+), 10 deletions(-)

diff --git a/vrplayer/mainwindow.cpp b/vrplayer/mainwindow.cpp
index b97da148..ec2d338a 100644
--- a/vrplayer/mainwindow.cpp
+++ b/vrplayer/mainwindow.cpp
@@ -4,12 +4,18 @@
 /*
  * TODO
  *      o should we use tick marks in QSlider?
+ *      o check for memory leaks
+ *      o double click should make it full screen
+ *      o when opening files, pause video
  */
 
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
     ui(new Ui::MainWindow)
 {
+    gotMediaOnCmdline = false;
+    moveResizeTimer = NULL;
+
     /* connect to remote client */
     interface = new OurInterface();
     if (interface->oneTimeInit())
@@ -35,16 +41,42 @@ MainWindow::MainWindow(QWidget *parent) :
 
     connect(interface, SIGNAL(onMediaDurationInSeconds(int)),
             this, SLOT(onMediaDurationInSeconds(int)));
+
+    /* if media file is specified on cmd line, use it */
+    QStringList args = QApplication::arguments();
+    if (args.count() > 1)
+    {
+        if (QFile::exists(args.at(1)))
+        {
+            interface->setFilename(args.at(1));
+            filename = args.at(1);
+            gotMediaOnCmdline = true;
+            on_actionOpen_Media_File_triggered();
+        }
+        else
+        {
+            QMessageBox::warning(this, "Invalid media file specified",
+                                 "\nThe media file\n\n" + args.at(1) +
+                                 "\n\ndoes not exist");
+        }
+    }
 }
 
 MainWindow::~MainWindow()
 {
     delete ui;
+
+    if (moveResizeTimer)
+        delete moveResizeTimer;
 }
 
 void MainWindow::closeEvent(QCloseEvent *event)
 {
-    if (!oneTimeInitSuccess)
+    if (oneTimeInitSuccess)
+    {
+        interface->deInitRemoteClient();
+    }
+    else
     {
         QMessageBox::warning(this, "Closing application",
                 "This is not an xrdp session with xrdpvr");
@@ -54,18 +86,50 @@ void MainWindow::closeEvent(QCloseEvent *event)
 
 void MainWindow::resizeEvent(QResizeEvent *)
 {
-    QRect rect;
+    if (vcrFlag != VCR_PLAY)
+    {
+        QRect rect;
 
-    getVdoGeometry(&rect);
-    interface->sendGeometry(rect);
+        getVdoGeometry(&rect);
+        interface->sendGeometry(rect);
+        return;
+    }
+
+    interface->setVcrOp(VCR_PAUSE);
+    vcrFlag = VCR_PAUSE;
+
+    if (!moveResizeTimer)
+    {
+        moveResizeTimer = new QTimer;
+        connect(moveResizeTimer, SIGNAL(timeout()),
+                this, SLOT(onMoveCompleted()));
+    }
+    lblVideo->setStyleSheet("QLabel { background-color : black; color : blue; }");
+    moveResizeTimer->start(1000);
 }
 
 void MainWindow::moveEvent(QMoveEvent *)
 {
-    QRect rect;
+    if (vcrFlag != VCR_PLAY)
+    {
+        QRect rect;
 
-    getVdoGeometry(&rect);
-    interface->sendGeometry(rect);
+        getVdoGeometry(&rect);
+        interface->sendGeometry(rect);
+        return;
+    }
+
+    interface->setVcrOp(VCR_PAUSE);
+    vcrFlag = VCR_PAUSE;
+
+    if (!moveResizeTimer)
+    {
+        moveResizeTimer = new QTimer;
+        connect(moveResizeTimer, SIGNAL(timeout()),
+                this, SLOT(onMoveCompleted()));
+    }
+    lblVideo->setStyleSheet("QLabel { background-color : black; color : blue; }");
+    moveResizeTimer->start(1000);
 }
 
 void MainWindow::setupUI()
@@ -208,9 +272,14 @@ void MainWindow::clearDisplay()
 void MainWindow::on_actionOpen_Media_File_triggered()
 {
     if (vcrFlag != 0)
-        onBtnStopClicked(false);
+        onBtnStopClicked(true);
+
+    /* if media was specified on cmd line, use it just once */
+    if (gotMediaOnCmdline)
+        gotMediaOnCmdline = false;
+    else
+        openMediaFile();
 
-    openMediaFile();
     if (filename.length() == 0)
     {
         /* cancel btn was clicked */
@@ -238,7 +307,7 @@ void MainWindow::on_actionOpen_Media_File_triggered()
     remoteClientInited = true;
     interface->playMedia();
 
-    if (vcrFlag != 0)
+    //if (vcrFlag != 0)
     {
         interface->setVcrOp(VCR_PLAY);
         btnPlay->setText("Pause");
@@ -404,3 +473,13 @@ void MainWindow::onSliderActionTriggered(int action)
     }
 }
 
+void MainWindow::onMoveCompleted()
+{
+    QRect rect;
+
+    getVdoGeometry(&rect);
+    interface->sendGeometry(rect);
+
+    interface->setVcrOp(VCR_PLAY);
+    vcrFlag = VCR_PLAY;
+}
diff --git a/vrplayer/mainwindow.h b/vrplayer/mainwindow.h
index 802fd10d..56f94edb 100644
--- a/vrplayer/mainwindow.h
+++ b/vrplayer/mainwindow.h
@@ -25,6 +25,8 @@
 #include <QTimer>
 #include <QPixmap>
 #include <QPainter>
+#include <QFile>
+#include <QTimer>
 
 #include "xrdpapi.h"
 #include "xrdpvr.h"
@@ -75,6 +77,7 @@ private slots:
     void onMediaDurationInSeconds(int duration);
     void onElapsedTime(int secs);
     void onSliderActionTriggered(int value);
+    void onMoveCompleted();
 
 protected:
     void resizeEvent(QResizeEvent *e);
@@ -98,6 +101,7 @@ private:
     QSlider       *slider;
     QWidget       *window;
     bool           acceptSliderMove;
+    QTimer        *moveResizeTimer;
 
     /* private stuff */
     OurInterface  *interface;
@@ -109,6 +113,7 @@ private:
     int            stream_id;
     int64_t        elapsedTime; /* elapsed time in usecs since play started */
     int            vcrFlag;
+    bool           gotMediaOnCmdline;
 
     /* private methods */
     void setupUI();