app.cpp Example File

    /* Copyright (c) 2012 Research In Motion Limited.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
    * distributed under the License is distributed on an "AS IS" BASIS,
    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    * See the License for the specific language governing permissions and
    * limitations under the License.
    */

    #include "app.hpp"

    #include <bb/cascades/AbstractPane>
    #include <bb/cascades/Application>
    #include <bb/cascades/QmlDocument>

    using namespace bb::cascades;
    using namespace bb::system;

    App::App(QObject *parent)
        : QObject(parent)
        , m_invokeManager(new InvokeManager(this))
        , m_backButtonVisible(false)
    {
        // Listen to incoming invocation requests
        connect(m_invokeManager, SIGNAL(invoked(const bb::system::InvokeRequest&)), this, SLOT(handleInvoke(const bb::system::InvokeRequest&)));
        connect(m_invokeManager, SIGNAL(cardResizeRequested(const bb::system::CardResizeMessage&)), this, SLOT(resized(const bb::system::CardResizeMessage&)));
        connect(m_invokeManager, SIGNAL(cardPooled(const bb::system::CardDoneMessage&)), this, SLOT(pooled(const bb::system::CardDoneMessage&)));

        // Initialize properties with default values
        switch (m_invokeManager->startupMode()) {
            case ApplicationStartupMode::LaunchApplication:
                m_startupMode = tr("Launch");
                break;
            case ApplicationStartupMode::InvokeApplication:
                m_startupMode = tr("Invoke");
                break;
            case ApplicationStartupMode::InvokeViewer:
                m_startupMode = tr("Viewer");
                break;
            case ApplicationStartupMode::InvokeCard:
                m_startupMode = tr("Card");
                break;
        }

        m_source = m_target = m_action = m_mimeType = m_uri = m_data = m_status = tr("--");
        m_title = tr("InvokeClient");

        // Create the UI
        QmlDocument *qml = QmlDocument::create("asset:///main.qml");
        qml->setContextProperty("_app", this);
        AbstractPane *root = qml->createRootObject<AbstractPane>();
        Application::instance()->setScene(root);
    }

    void App::cardDone()
    {
        // Assemble message
        CardDoneMessage message;
        message.setData(tr("Card: I am done. yay!"));
        message.setDataType("text/plain");
        message.setReason(tr("Success!"));

        // Send message
        m_invokeManager->sendCardDone(message);
    }

    void App::handleInvoke(const InvokeRequest& request)
    {
        // Copy data from incoming invocation request to properties
        m_source = QString::fromLatin1("%1 (%2)").arg(request.source().installId()).arg(request.source().groupId());
        m_target = request.target();
        m_action = request.action();
        m_mimeType = request.mimeType();
        m_uri = request.uri().toString();
        m_data = QString::fromUtf8(request.data());

        m_backButtonVisible = false;

        if (m_target == "com.example.bb10samples.invocation.openimage1") {
            m_title = tr("Open Image 1");
        } else if (m_target == "com.example.bb10samples.invocation.openimage2") {
            m_title = tr("Open Image 2");
        } else if (m_target == "com.example.bb10samples.invocation.card.previewer") {
            m_title = tr("Previewer");
            m_backButtonVisible = true;
        } else if (m_target == "com.example.bb10samples.invocation.card.composer") {
            m_title = tr("Composer");
        } else if (m_target == "com.example.bb10samples.invocation.card.picker") {
            m_title = tr("Picker");
        }

        // Signal that the properties have changed
        emit requestChanged();
    }

    void App::resized(const bb::system::CardResizeMessage&)
    {
        m_status = tr("Resized");
        emit statusChanged();
    }

    void App::pooled(const bb::system::CardDoneMessage&)
    {
        m_status = tr("Pooled");
        emit statusChanged();
    }

    QString App::startupMode() const
    {
        return m_startupMode;
    }

    QString App::source() const
    {
        return m_source;
    }

    QString App::target() const
    {
        return m_target;
    }

    QString App::action() const
    {
        return m_action;
    }

    QString App::mimeType() const
    {
        return m_mimeType;
    }

    QString App::uri() const
    {
        return m_uri;
    }

    QString App::data() const
    {
        return m_data;
    }

    QString App::status() const
    {
        return m_status;
    }

    QString App::title() const
    {
        return m_title;
    }

    bool App::backButtonVisible() const
    {
        return m_backButtonVisible;
    }