start implementing 'open file with' for attachments. very rough for now, needs more work

git-svn-id: http://cpunk.de/svn/src/gpg4usb/trunk@364 34ebc366-c3a9-4b3c-9f84-69acf7962910

5 files changed, 89 insertions, 17 deletions

diff --git a/attachments.cpp b/attachments.cpp
index 5c08bf1..f9d95aa 100644
--- a/attachments.cpp
+++ b/attachments.cpp
@@ -58,7 +58,6 @@ Attachments::Attachments(QString iconpath, QWidget *parent)
     tableView->horizontalHeader()->setStretchLastSection(true);
 
     QVBoxLayout *layout = new QVBoxLayout;
-    //layout->addWidget(mAttachmentTable);
     layout->addWidget(tableView);
     setLayout(layout);
     createActions();
@@ -69,6 +68,10 @@ void Attachments::contextMenuEvent(QContextMenuEvent *event)
 {
     QMenu menu(this);
     menu.addAction(saveFileAct);
+    // enable open with only if allowed by user
+    if(settings.value("mime/openAttachment").toBool())
+        menu.addAction(openFileAct);
+
     menu.exec(event->globalPos());
 }
 
@@ -79,6 +82,11 @@ void Attachments::createActions()
     saveFileAct->setIcon(QIcon(iconPath + "filesave.png"));
     connect(saveFileAct, SIGNAL(triggered()), this, SLOT(saveFile()));
 
+    openFileAct = new QAction(tr("Open File"), this);
+    openFileAct->setToolTip(tr("Open this file"));
+    openFileAct->setIcon(QIcon(iconPath + "fileopen.png"));
+    connect(openFileAct, SIGNAL(triggered()), this, SLOT(openFile()));
+
 }
 
 void Attachments::saveFile()
@@ -119,7 +127,51 @@ void  Attachments::saveByteArrayToFile(QByteArray outBuffer, QString filename)
     out.writeRawData(outBuffer.data(), outBuffer.length());
 }
 
+/**
+ * WIP: TODO:
+ *   - create attachments dir if not existing
+ *   - ask for cleanup of dir on exit
+ *   - remove code-duplication with saveByteArrayToFile
+ */
+void Attachments::openFile() {
+
+    QString tmpPath = qApp->applicationDirPath() + "/attachments/";
+    //QDir p = QDir(qApp->applicationDirPath() + "/attachments/");
+    //if(!p.exists()) {
+    //    qDebug() << "creating " << p;
+    //    p.mkpath("/attachments/");
+    //}
+
+    QModelIndexList indexes = tableView->selectionModel()->selection().indexes();
+    MimePart mp = table->getMimePart(indexes.at(0).row());
+
+    qDebug() << "mime: " << mp.header.getValue("Content-Type");
+
+    QString filename = mp.header.getParam("Content-Type", "name");
+    // TODO: find out why filename is quoted
+    qDebug() << "file: " << filename;
+    filename.chop(1);
+    filename.remove(0, 1);
+    filename.prepend(tmpPath);
+
+    qDebug() << "file: " << filename;
+    QByteArray outBuffer = QByteArray::fromBase64(mp.body);
+
 
+    QFile outfile(filename);
+    if (!outfile.open(QFile::WriteOnly)) {
+        QMessageBox::warning(this, tr("File"),
+                             tr("Cannot write file %1:\n%2.")
+                             .arg(filename)
+                             .arg(outfile.errorString()));
+        return;
+    }
+
+    QDataStream out(&outfile);
+    out.writeRawData(outBuffer.data(), outBuffer.length());
+
+    QDesktopServices::openUrl(QUrl("file://"+filename, QUrl::TolerantMode));
+}
 
 void Attachments::addMimePart(MimePart *mp)
 {
diff --git a/attachments.h b/attachments.h
index 4a10a02..6fe1bae 100644
--- a/attachments.h
+++ b/attachments.h
@@ -33,6 +33,10 @@
 #include "QMessageBox"
 #include "QContextMenuEvent"
 #include "QFileDialog"
+#include "QUrl"
+#include "QDesktopServices"
+#include "QSettings"
+#include "QApplication"
 
 class Attachments : public QWidget
 {
@@ -40,6 +44,7 @@ class Attachments : public QWidget
 
 public slots:
     void saveFile();
+    void openFile();
 
 public:
     Attachments(QString iconpath, QWidget *parent = 0);
@@ -49,9 +54,11 @@ private:
     void createActions();
     void saveByteArrayToFile(QByteArray outBuffer, QString filename);
     QAction *saveFileAct;
+    QAction *openFileAct;
     QString iconPath;
     AttachmentTableModel *table;
     QTableView *tableView;
+    QSettings settings;
 
 protected:
     void contextMenuEvent(QContextMenuEvent *event);
diff --git a/gpgwin.cpp b/gpgwin.cpp
index 33c31fa..cc721f7 100644
--- a/gpgwin.cpp
+++ b/gpgwin.cpp
@@ -515,11 +515,11 @@ void GpgWin::encrypt()
 
 void GpgWin::decrypt()
 {
-    QByteArray *tmp = new QByteArray();
+    QByteArray *decrypted = new QByteArray();
     QByteArray text = edit->toPlainText().toAscii();
     preventNoDataErr(&text);
-    mCtx->decrypt(text, tmp);
-    if (!tmp->isEmpty()) {
+    mCtx->decrypt(text, decrypted);
+    if (!decrypted->isEmpty()) {
 
         /**
          *   1) is it mime (content-type:)
@@ -527,29 +527,30 @@ void GpgWin::decrypt()
          *   2) choose action depending on content-type
          */
 
-        if(Mime::isMime(tmp)) {
-            Header header = Mime::getHeader(tmp);
+        if(Mime::isMime(decrypted)) {
+            Header header = Mime::getHeader(decrypted);
 
             // is it multipart, is multipart-parsing enabled
             if(header.getValue("Content-Type") == "multipart/mixed"
                && settings.value("mime/parseMime").toBool()) {
 
-                    parseMime(tmp);
+                    parseMime(decrypted);
 
             } else if(header.getValue("Content-Type") == "text/plain"
                && settings.value("mime/parseQP").toBool()){
 
                     if (header.getValue("Content-Transfer-Encoding") == "quoted-printable") {
-                        QByteArray *decode = new QByteArray();
-                        Mime::quotedPrintableDecode(*tmp, *decode);
+                        QByteArray *decoded = new QByteArray();
+                        Mime::quotedPrintableDecode(*decrypted, *decoded);
                         //TODO: remove header
-                        tmp = decode;
+                        decrypted = decoded;
 
                     }
             }
         }
 
-        edit->setPlainText(QString::fromUtf8(*tmp));
+        edit->setPlainText(QString::fromUtf8(*decrypted));
+        //edit->setPlainText(*decrypted);
     }
 }
 
@@ -560,11 +561,11 @@ void GpgWin::decrypt()
 void GpgWin::parseMime(QByteArray *message)
 {
 
-    if (! Mime::isMultipart(message)) {
+    /*if (! Mime::isMultipart(message)) {
         qDebug() << "no multipart";
         return;
-    }
-    qDebug() << "multipart";
+    }*/
+    //qDebug() << "multipart";
 
     QString pText;
     bool showmadock = false;
@@ -590,7 +591,7 @@ void GpgWin::parseMime(QByteArray *message)
         }
     }
 
-    *message = pText.toAscii();
+    *message = pText.toUtf8();
     if (showmadock) aDock->show();
 }
 
diff --git a/settingsdialog.cpp b/settingsdialog.cpp
index ed71294..42c7d28 100755
--- a/settingsdialog.cpp
+++ b/settingsdialog.cpp
@@ -122,11 +122,18 @@ SettingsDialog::SettingsDialog(QWidget *parent)
      *****************************************/
 
     mimeParseBox = new QGroupBox(tr("MIME-parsing (Experimental)"));
-    mimeParseBoxLayout = new QHBoxLayout();
+    mimeParseBoxLayout = new QVBoxLayout();
     mimeParseCheckBox = new QCheckBox(tr("Try to split attachments from PGP-MIME ecrypted messages."), this);
     mimeParseBoxLayout->addWidget(mimeParseCheckBox);
     mimeQPCheckBox = new QCheckBox(tr("Try to recognice quoted printable."), this);
     mimeParseBoxLayout->addWidget(mimeQPCheckBox);
+    mimeOpenAttachmentCheckBox = new QCheckBox(tr("Enable open with external app, saves file in tmp folder."), this);
+    //mimeOpenAttachmentCheckBox->setWhatsThis("Open attachments <b>with</b>... neeeds temp foder..");
+    mimeOpenAttachmentCheckBox->setToolTip("Open attachments with Application for the filetype. <b>Needs saving the file to temporarly folder.</b> For now its your job to clean this folder up if you want.");
+    /*
+     * Here could be something like Qstring("?"), or an icon with an ?, with the action "show tooltip"
+     */
+    mimeParseBoxLayout->addWidget(mimeOpenAttachmentCheckBox);
     mimeParseBox->setLayout(mimeParseBoxLayout);
 
     /*****************************************
@@ -198,6 +205,9 @@ void SettingsDialog::setSettings()
     // Qouted Printable
     if (settings.value("mime/parseQP").toBool()) mimeQPCheckBox->setCheckState(Qt::Checked);
 
+    // Open Attachments with external app
+    if (settings.value("mime/openAttachment").toBool()) mimeOpenAttachmentCheckBox->setCheckState(Qt::Checked);
+
     //Language setting
     QString langKey = settings.value("int/lang").toString();
     QString langValue = lang.value(langKey);
@@ -236,6 +246,7 @@ void SettingsDialog::applySettings()
 
     settings.setValue("mime/parsemime" , mimeParseCheckBox->isChecked());
     settings.setValue("mime/parseQP" , mimeQPCheckBox->isChecked());
+    settings.setValue("mime/openAttachment" , mimeOpenAttachmentCheckBox->isChecked());
 
     settings.setValue("int/lang", lang.key(langSelectBox->currentText()));
 
diff --git a/settingsdialog.h b/settingsdialog.h
index a1480b8..ce558bf 100755
--- a/settingsdialog.h
+++ b/settingsdialog.h
@@ -62,6 +62,7 @@ private:
     QCheckBox *saveCheckedKeysCheckBox;
     QCheckBox *mimeParseCheckBox;
     QCheckBox *mimeQPCheckBox;
+    QCheckBox *mimeOpenAttachmentCheckBox;
     QComboBox *langSelectBox;
     QHash<QString, QString> lang;
 
@@ -69,7 +70,7 @@ private:
     QHBoxLayout *iconStyleBoxLayout;
     QHBoxLayout *windowSizeBoxLayout;
     QHBoxLayout *saveCheckedKeysBoxLayout;
-    QHBoxLayout *mimeParseBoxLayout;
+    QVBoxLayout *mimeParseBoxLayout;
     QVBoxLayout *vbox;
     void setSettings();