[app] Provide haptic feedback on entering/leaving selection mode

app/app.pro

@@ -104,6 +104,7 @@ SOURCES += \
   src/BooksCoverModel.cpp \
   src/BooksCoverWidget.cpp \
   src/BooksDialogManager.cpp \
+  src/BooksFeedback.cpp \
   src/BooksHints.cpp \
   src/BooksImageProvider.cpp \
   src/BooksImportModel.cpp \
@@ -148,6 +149,7 @@ HEADERS += \
   src/BooksCoverWidget.h \
   src/BooksDefs.h \
   src/BooksDialogManager.h \
+  src/BooksFeedback.h \
   src/BooksHints.h \
   src/BooksImageProvider.h \
   src/BooksImportModel.h \

app/qml/BooksBookView.qml

@@ -1,6 +1,6 @@
 /*
   Copyright (C) 2015-2017 Jolla Ltd.
-  Contact: Slava Monich <slava.monich@jolla.com>
+  Copyright (C) 2015-2017 Slava Monich <slava.monich@jolla.com>
 
   You may use this file under the terms of BSD license as follows:
 
@@ -193,6 +193,7 @@ SilicaFlickable {
                 }
             }
             onSelectingChanged: {
+                globalFeedback.start("push_gesture")
                 if (currentPage) {
                     root.selecting = pageView.selecting
                 }

app/qml/BooksMain.qml

@@ -52,6 +52,7 @@ ApplicationWindow {
     property variant currentShelf: mainPage.currentShelf
 
     BooksHints { id: globalHints }
+    BooksFeedback { id: globalFeedback }
     SystemState { id: globalSystemState }
 
     initialPage: BooksMainPage { id: mainPage }

app/src/BooksFeedback.cpp

@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2017 Jolla Ltd.
+ * Copyright (C) 2017 Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of the BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in
+ *     the documentation and/or other materials provided with the
+ *     distribution.
+ *   * Neither the name of Jolla Ltd nor the names of its contributors
+ *     may be used to endorse or promote products derived from this
+ *     software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "BooksFeedback.h"
+#include "HarbourDebug.h"
+
+#include <QDBusConnection>
+#include <QDBusAbstractInterface>
+#include <QDBusPendingCallWatcher>
+#include <QDBusPendingReply>
+
+#define NGFD_CONNECTION         QDBusConnection::systemBus()
+#define NGFD_SERVICE            "com.nokia.NonGraphicFeedback1.Backend"
+#define NGFD_PATH               "/com/nokia/NonGraphicFeedback1"
+#define NGFD_INTERFACE          "com.nokia.NonGraphicFeedback1"
+
+#define NGFD_STATUS_FAILED      (0)
+#define NGFD_STATUS_COMPLETED   (1)
+#define NGFD_STATUS_PLAYING     (2)
+#define NGFD_STATUS_PAUSED      (3)
+
+class BooksFeedback::Private : QDBusAbstractInterface {
+    Q_OBJECT
+
+public:
+    Private(QObject* aParent);
+
+    bool start(QString aEvent);
+    void stop();
+    void stop(uint aEventId);
+
+public Q_SLOTS:
+    void onPlayFinished(QDBusPendingCallWatcher* aCall);
+    void onStatusChanged(uint aId, uint aStatus);
+
+Q_SIGNALS:
+    void Status(uint aId, uint aStatus);
+
+public:
+    uint iEventId;
+    bool iPlaying;
+};
+
+BooksFeedback::Private::Private(QObject* aParent) :
+    QDBusAbstractInterface(NGFD_SERVICE,NGFD_PATH, NGFD_INTERFACE,
+    NGFD_CONNECTION, aParent), iEventId(0), iPlaying(false)
+{
+    connect(this, SIGNAL(Status(uint,uint)), SLOT(onStatusChanged(uint,uint)));
+}
+
+bool BooksFeedback::Private::start(QString aEvent)
+{
+    if (!iPlaying) {
+        iPlaying = true;
+        HDEBUG(aEvent);
+        connect(new QDBusPendingCallWatcher(asyncCall(QString("Play"),
+            aEvent, QVariantMap()), this),
+            SIGNAL(finished(QDBusPendingCallWatcher*)),
+            SLOT(onPlayFinished(QDBusPendingCallWatcher*)));
+        return true;
+    }
+    return false;
+}
+
+void BooksFeedback::Private::stop(uint aEventId)
+{
+    HDEBUG(aEventId);
+    asyncCall(QString("Stop"), iPlaying);
+}
+
+void BooksFeedback::Private::stop()
+{
+    if (iPlaying) {
+        iPlaying = false;
+        if (iEventId) {
+            stop(iEventId);
+            iEventId = 0;
+        }
+    }
+}
+
+void BooksFeedback::Private::onPlayFinished(QDBusPendingCallWatcher* aCall)
+{
+    QDBusPendingReply<uint> reply = *aCall;
+    if (reply.isError()) {
+        HWARN(reply.error());
+        iPlaying = false;
+    } else {
+        uint eventId= reply.value();
+        HDEBUG(eventId);
+        if (iPlaying) {
+            iEventId = eventId;
+        } else {
+            stop(eventId);
+        }
+    }
+    aCall->deleteLater();
+}
+
+void BooksFeedback::Private::onStatusChanged(uint aId, uint aStatus)
+{
+    HDEBUG(aId << aStatus);
+    switch (aStatus) {
+    case NGFD_STATUS_PLAYING:
+    case NGFD_STATUS_PAUSED:
+        break;
+    default:
+        if (aId == iEventId) {
+            iEventId = 0;
+            iPlaying = false;
+        }
+        break;
+    }
+}
+
+BooksFeedback::BooksFeedback(QObject* aParent) :
+    QObject(aParent),
+    iPrivate(new Private(this))
+{
+}
+
+bool BooksFeedback::start(QString aEvent)
+{
+    return iPrivate->start(aEvent);
+}
+
+void BooksFeedback::stop()
+{
+    iPrivate->stop();
+}
+
+#include "BooksFeedback.moc"

app/src/BooksFeedback.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2017 Jolla Ltd.
+ * Copyright (C) 2017 Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of the BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in
+ *     the documentation and/or other materials provided with the
+ *     distribution.
+ *   * Neither the name of Jolla Ltd nor the names of its contributors
+ *     may be used to endorse or promote products derived from this
+ *     software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef BOOKS_FEEDBACK_H
+#define BOOKS_FEEDBACK_H
+
+#include <QtQml>
+
+class BooksFeedback : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit BooksFeedback(QObject* aParent = NULL);
+
+    Q_INVOKABLE bool start(QString aEvent);
+    Q_INVOKABLE void stop();
+
+private:
+    class Private;
+    Private* iPrivate;
+};
+
+QML_DECLARE_TYPE(BooksFeedback)
+
+#endif // BOOKS_FEEDBACK_H

app/src/main.cpp

@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2015-2017 Jolla Ltd.
- * Contact: Slava Monich <slava.monich@jolla.com>
+ * Copyright (C) 2015-2017 Slava Monich <slava.monich@jolla.com>
  *
  * You may use this file under the terms of the BSD license as follows:
  *
@@ -46,6 +46,7 @@
 #include "BooksListWatcher.h"
 #include "BooksCoverWidget.h"
 #include "BooksTaskQueue.h"
+#include "BooksFeedback.h"
 #include "BooksHints.h"
 
 #include "HarbourDebug.h"
@@ -82,6 +83,7 @@ Q_DECL_EXPORT int main(int argc, char **argv)
     BOOKS_QML_REGISTER(BooksPageWidget, "PageWidget");
     BOOKS_QML_REGISTER(BooksListWatcher, "ListWatcher");
     BOOKS_QML_REGISTER(BooksCoverWidget, "BookCover");
+    BOOKS_QML_REGISTER(BooksFeedback, "BooksFeedback");
     BOOKS_QML_REGISTER(BooksHints, "BooksHints");
     BOOKS_QML_REGISTER(BooksSettings, "BooksSettings");
     HarbourLib::registerTypes(BOOKS_QML_PLUGIN,