Adding TTS to iOS

QGCApplication.pro

@@ -90,6 +90,8 @@ iOSBuild {
     QMAKE_INFO_PLIST    = $${BASEDIR}/ios/iOS-Info.plist
     ICON                = $${BASEDIR}/resources/icons/macx.icns
     OTHER_FILES        += $${BASEDIR}/iOS-Info.plist
+    LIBS               += -framework AVFoundation
+    OBJECTIVE_SOURCES  += src/audio/QGCAudioWorker_iOS.mm
 }
 
 LinuxBuild {

QGCCommon.pri

@@ -49,6 +49,7 @@ linux {
     macx-clang | macx-llvm {
         message("Mac build")
         CONFIG += MacBuild
+        DEFINES += __macos__
         QMAKE_CXXFLAGS += -fvisibility=hidden
     } else {
         error("Unsupported Mac toolchain, only 64-bit LLVM+clang is supported")
@@ -60,6 +61,7 @@ linux {
     message("iOS build")
     CONFIG += iOSBuild MobileBuild app_bundle
     DEFINES += __ios__
+    QMAKE_IOS_DEPLOYMENT_TARGET = 8.0
     warning("iOS build is experimental and not yet fully functional")
 } else {
     error("Unsupported build platform, only Linux, Windows, Android and Mac (Mac OS and iOS) are supported")

QGCExternalLibs.pri

@@ -260,7 +260,7 @@ contains (DEFINES, DISABLE_SPEECH) {
     }
 }
 # Mac support is built into OS 10.6+.
-else:MacBuild {
+else:MacBuild|iOSBuild {
     message("Including support for speech output")
     DEFINES += QGC_SPEECH_ENABLED
 }

src/QGCApplication.cc

@@ -140,8 +140,7 @@ static QObject* qgroundcontrolQmlGlobalSingletonFactory(QQmlEngine*, QJSEngine*)
 }
 
 #if defined(QGC_GST_STREAMING)
-#ifdef Q_OS_MAC
-#ifndef __ios__
+#if defined(__macos__)
 #ifdef QGC_INSTALL_RELEASE
 static void qgcputenv(const QString& key, const QString& root, const QString& path)
 {
@@ -151,7 +150,6 @@ static void qgcputenv(const QString& key, const QString& root, const QString& pa
 #endif
 #endif
 #endif
-#endif
 
 /**
  * @brief Constructor for the main application.

src/QGCMessageBox.h

@@ -116,7 +116,7 @@ private:
 #endif
 #endif
         {
-#ifdef Q_OS_MAC
+#ifdef __macos__
             QString emptyTitle;
             QMessageBox box(icon, emptyTitle, title, buttons, parent);
             box.setDefaultButton(defaultButton);

src/QtLocationPlugin/OpenPilotMaps.cc

@@ -196,7 +196,7 @@ void UrlFactory::_tryCorrectGoogleVersions()
         _network->setProxy(tProxy);
         QString url = "http://maps.google.com/maps?output=classic";
         qheader.setUrl(QUrl(url));
-#if defined Q_OS_MACX
+#if defined Q_OS_MAC
         QByteArray userAgent = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:21.0) Gecko/20100101 Firefox/21.0";
 #elif defined Q_OS_WIN32
         QByteArray userAgent = "Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7";

src/QtLocationPlugin/qgeotilefetcherqgc.cpp

@@ -55,7 +55,7 @@
 QGeoTileFetcherQGC::QGeoTileFetcherQGC(QGeoTiledMappingManagerEngine *parent)
     : QGeoTileFetcher(parent)
     , m_networkManager(new QNetworkAccessManager(this))
-#if defined Q_OS_MACX
+#if defined Q_OS_MAC
     , m_userAgent("Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:21.0) Gecko/20100101 Firefox/21.0")
 #elif defined Q_OS_WIN32
     , m_userAgent("Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7")

src/VideoStreaming/VideoStreaming.cc

@@ -75,8 +75,7 @@ void initializeVideoStreaming(int &argc, char* argv[])
     GST_PLUGIN_STATIC_REGISTER(x264);
 #endif
 
-#ifdef Q_OS_MAC
-#ifndef __ios__
+#ifdef __macos__
 #ifdef QGC_INSTALL_RELEASE
     QString currentDir = QCoreApplication::applicationDirPath();
     qgcputenv("GST_PLUGIN_SCANNER",           currentDir, "/gst-plugin-scanner");
@@ -92,7 +91,6 @@ void initializeVideoStreaming(int &argc, char* argv[])
 //    }
 #endif
 #endif
-#endif
 
 #else
     Q_UNUSED(argc);

src/audio/QGCAudioWorker.cpp

@@ -8,7 +8,7 @@
 #include "QGCAudioWorker.h"
 #include "GAudioOutput.h"
 
-#if defined Q_OS_MAC && defined QGC_SPEECH_ENABLED
+#if (defined __macos__) && defined QGC_SPEECH_ENABLED
 #include <ApplicationServices/ApplicationServices.h>
 
 static SpeechChannel sc;
@@ -53,6 +53,10 @@ MacSpeech macSpeech;
 
 #endif
 
+#if (defined __ios__) && defined QGC_SPEECH_ENABLED
+extern void iOSSpeak(QString msg);
+#endif
+
 // Speech synthesis is only supported with MSVC compiler
 #if defined _MSC_VER && defined QGC_SPEECH_ENABLED
 // Documentation: http://msdn.microsoft.com/en-us/library/ee125082%28v=VS.85%29.aspx
@@ -168,8 +172,10 @@ void QGCAudioWorker::say(QString inText, int severity)
         unsigned int espeak_size = strlen(text.toStdString().c_str()) + 1;
         espeak_Synth(text.toStdString().c_str(), espeak_size, 0, POS_CHARACTER, 0, espeakCHARS_AUTO, NULL, NULL);
 
-#elif defined Q_OS_MAC && defined QGC_SPEECH_ENABLED
+#elif (defined __macos__) && defined QGC_SPEECH_ENABLED
         macSpeech.say(text.toStdString().c_str());
+#elif (defined __ios__) && defined QGC_SPEECH_ENABLED
+        iOSSpeak(text);
 #else
         // Make sure there isn't an unused variable warning when speech output is disabled
         Q_UNUSED(inText);

src/audio/QGCAudioWorker_iOS.mm

+/*=====================================================================
+
+QGroundControl Open Source Ground Control Station
+
+(c) 2009, 2015 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+
+This file is part of the QGROUNDCONTROL project
+
+    QGROUNDCONTROL is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    QGROUNDCONTROL is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
+
+======================================================================*/
+
+/**
+ * @file
+ *   @brief TTS for iOS
+ *
+ *   @author Gus Grubba <mavlink@grubba.com>
+ *
+ */
+
+#include <QString>
+
+#include "QGC.h"
+
+#if (defined __ios__) && defined QGC_SPEECH_ENABLED
+
+#import <AVFoundation/AVSpeechSynthesis.h>
+
+class SpeakIOS
+{
+public:
+    SpeakIOS    ();
+    ~SpeakIOS   ();
+    void speak  (QString msg );
+private:
+    AVSpeechSynthesizer *_synth;
+};
+
+SpeakIOS::SpeakIOS()
+    : _synth([[AVSpeechSynthesizer alloc] init])
+{
+
+}
+
+SpeakIOS::~SpeakIOS()
+{
+    [_synth release];
+}
+
+void SpeakIOS::speak(QString msg)
+{
+    while ([_synth isSpeaking]) {
+        QGC::SLEEP::msleep(100);
+    }
+    NSString *msg_ns = [NSString stringWithCString:msg.toStdString().c_str() encoding:[NSString defaultCStringEncoding]];
+    AVSpeechUtterance *utterance = [[[AVSpeechUtterance alloc] initWithString: msg_ns] autorelease];
+    AVSpeechSynthesisVoice* currentVoice = [AVSpeechSynthesisVoice voiceWithLanguage:[AVSpeechSynthesisVoice currentLanguageCode]];
+    utterance.voice = currentVoice;
+    //utterance.voice = [AVSpeechSynthesisVoice voiceWithLanguage:@"en-US"];
+    utterance.rate  = 0.5;
+    [_synth speakUtterance:utterance];
+}
+
+//-- The one and only static singleton
+SpeakIOS kSpeakIOS;
+
+void iOSSpeak(QString msg)
+{
+    kSpeakIOS.speak(msg);
+}
+
+#endif
+

src/comm/QGCFlightGearLink.cc

@@ -658,7 +658,7 @@ bool QGCFlightGearLink::connectSimulation()
     // Now set the FG arguments to the arguments from the UI
     _fgArgList = uiArgList;
 
-#if defined Q_OS_MACX
+#if defined __macos__
     // Mac installs will default to the /Applications folder 99% of the time. Anything other than
     // that is pretty non-standard so we don't try to get fancy beyond hardcoding that path.
     fgAppDir.setPath("/Applications");

src/ui/MainWindow.cc

@@ -265,7 +265,7 @@ MainWindow::MainWindow()
     connect(_ui.actionStatusBar,  &QAction::triggered, this, &MainWindow::showStatusBarCallback);
 
     // Set OS dependent keyboard shortcuts for the main window, non OS dependent shortcuts are set in MainWindow.ui
-#ifdef Q_OS_MACX
+#ifdef __macos__
     _ui.actionSetup->setShortcut(QApplication::translate("MainWindow", "Meta+1", 0));
     _ui.actionPlan->setShortcut(QApplication::translate("MainWindow", "Meta+2", 0));
     _ui.actionFlight->setShortcut(QApplication::translate("MainWindow", "Meta+3", 0));
@@ -290,7 +290,7 @@ MainWindow::MainWindow()
         menuBar()->hide();
 #endif
         show();
-#ifdef Q_OS_MAC
+#ifdef __macos__
         // TODO HACK
         // This is a really ugly hack. For whatever reason, by having a QQuickWidget inside a
         // QDockWidget (MainToolBar above), the main menu is not shown when the app first

src/ui/toolbar/MainToolBar.qml

@@ -421,7 +421,7 @@ Rectangle {
                 id:                 toolBarMessage
                 width:              toolBarMessageArea.width - toolBarMessageCloseButton.width
                 wrapMode:           Text.WordWrap
-                color:              qgcPal.warningText
+                color:              "#e4e428"
                 lineHeightMode:     Text.ProportionalHeight
                 lineHeight:         1.15
                 anchors.margins:    mainWindow.tbSpacing