From 07b0e7ff8c19cc0c93f42441d7e22ef8819a4d2a Mon Sep 17 00:00:00 2001
From: Sacha <xsacha@gmail.com>
Date: Fri, 26 Jun 2015 11:59:38 +1000
Subject: [PATCH] Add a new temporary log file and ability to read it while
 waiting for USB connection. Also make sure it is timestamped.

---
 qml/generic/USBConnect.qml |  7 +++++++
 src/installer.cpp          |  3 +++
 src/installer.h            |  6 ++++++
 src/installer_qml.cpp      | 20 ++++++++++++++++++--
 4 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/qml/generic/USBConnect.qml b/qml/generic/USBConnect.qml
index 974561b..7344a60 100644
--- a/qml/generic/USBConnect.qml
+++ b/qml/generic/USBConnect.qml
@@ -84,8 +84,15 @@ Item {
                 }
                 Label {
                     visible: i.possibleDevices
+                    Layout.alignment: Qt.AlignHCenter
                     text: qsTr("Talking to %1 possible device(s).").arg(i.possibleDevices) + translator.lang
                 }
+                Button {
+                    visible: i.hasLog
+                    Layout.alignment: Qt.AlignHCenter
+                    text: qsTr("Connection Log");
+                    onClicked: i.openLog();
+                }
             }
             BusyIndicator {
                 visible: !i.loginBlock
diff --git a/src/installer.cpp b/src/installer.cpp
index 683e135..5a5fa8b 100644
--- a/src/installer.cpp
+++ b/src/installer.cpp
@@ -43,6 +43,9 @@ InstallNet::InstallNet( QObject* parent) : QObject(parent),
     connect(&_back, SIGNAL(curSizeChanged()), this, SIGNAL(backCurProgressChanged()));
     connect(&_back, SIGNAL(numMethodsChanged()), this, SIGNAL(backMethodsChanged()));
 
+    logFile = new QTemporaryFile();
+    logFile->open(); // This will autoclose and autoremove by default when ~InstallNet
+
     QByteArray hashedPass = settings.value("pass", "").toByteArray();
 
     if (hashedPass.isEmpty()) {
diff --git a/src/installer.h b/src/installer.h
index 964d3aa..5804d00 100644
--- a/src/installer.h
+++ b/src/installer.h
@@ -86,6 +86,7 @@ class InstallNet : public QObject {
     Q_PROPERTY(DeviceInfo* device       MEMBER device                                     NOTIFY deviceChanged)
     Q_PROPERTY(QQmlListProperty<Apps> appList READ appList                                NOTIFY appListChanged)
     Q_PROPERTY(int appCount READ appCount NOTIFY appListChanged)
+    Q_PROPERTY(bool    hasLog READ hasLog NOTIFY hasLogChanged)
 
     Q_PROPERTY(QString backStatus READ backStatus NOTIFY backStatusChanged)
     Q_PROPERTY(int     backProgress READ backProgress NOTIFY backCurProgressChanged)
@@ -93,6 +94,7 @@ class InstallNet : public QObject {
 
     Q_PROPERTY(int     backMethods READ backMethods NOTIFY backMethodsChanged)
     Q_PROPERTY(QStringList backNames READ backNames NOTIFY backMethodsChanged)
+
     Q_PROPERTY(QList<double> backSizes READ backSizes NOTIFY backMethodsChanged)
     Q_PROPERTY(QQmlListProperty<Apps> backAppList READ backAppList                                NOTIFY backMethodsChanged)
 public:
@@ -115,6 +117,8 @@ class InstallNet : public QObject {
     Q_INVOKABLE void setActionProperty(QString name, QString value);
     Q_INVOKABLE void backupQuery();
     Q_INVOKABLE void exportInstalled();
+    Q_INVOKABLE void openLog();
+    Q_INVOKABLE bool hasLog();
     Q_INVOKABLE QString appDeltaMsg();
     void requestConfigure();
     void requestChallenge();
@@ -185,6 +189,7 @@ class InstallNet : public QObject {
     void appListChanged();
     void backAppListChanged();
     void deviceChanged();
+    void hasLogChanged();
 private slots:
     bool checkLogin();
     void login();
@@ -225,6 +230,7 @@ private slots:
     SslNetworkAccessManager* manager;
     QNetworkReply *reply;
     QNetworkCookieJar* cookieJar;
+    QTemporaryFile* logFile;
     QFile* compressedFile;
     QStringList _firmwareNames;
     QStringList _firmwarePaths;
diff --git a/src/installer_qml.cpp b/src/installer_qml.cpp
index acf9022..e12c7b9 100644
--- a/src/installer_qml.cpp
+++ b/src/installer_qml.cpp
@@ -99,10 +99,26 @@ void InstallNet::setCompleted(const bool &exists)
 
 void InstallNet::setNewLine(const QString &newLine)
 {
-    _newLine = ""; // Otherwise it thinks it didn't change...
+    // Prefix with date
+    QString newLog = QTime().currentTime().toString("[hh:mm:ss] ") + newLine;
+
+    _newLine = ""; // Reset qproperty and notify
     emit newLineChanged();
-    _newLine = newLine + "<br>";
+    _newLine = newLog + "<br>";
     emit newLineChanged();
+    newLog.append("\n");
+    logFile->write(newLog.toLatin1());
+    logFile->flush(); // Update file so it can be viewed in real-time
+    emit hasLogChanged();
+}
+
+bool InstallNet::hasLog() {
+    return logFile->fileName() != "";
+}
+
+void InstallNet::openLog() {
+    if (logFile->fileName() != "")
+      openFile(logFile->fileName());
 }
 
 QString InstallNet::backStatus() const {