app.cpp Example File

    /* Copyright (c) 2012, 2013  BlackBerry 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))
    {
        // Listen to incoming invocation requests
        bool ok = connect(m_invokeManager, SIGNAL(invoked(const bb::system::InvokeRequest&)),
                          this, SLOT(handleInvoke(const bb::system::InvokeRequest&)));
        Q_ASSERT(ok);
        ok = connect(m_invokeManager,
                     SIGNAL(cardResizeRequested(const bb::system::CardResizeMessage&)),
                     this, SLOT(resized(const bb::system::CardResizeMessage&)));
        Q_ASSERT(ok);
        ok = connect(m_invokeManager,
                     SIGNAL(cardPooled(const bb::system::CardDoneMessage&)), this,
                     SLOT(pooled(const bb::system::CardDoneMessage&)));
        Q_ASSERT(ok);

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

        // Initialize properties with default values
        switch (m_invokeManager->startupMode()) {
        case ApplicationStartupMode::LaunchApplication:
            m_startupMode = tr("Launch");
            initFullUI();
            break;
        case ApplicationStartupMode::InvokeApplication:
            // Wait for invoked signal to determine and initialize the appropriate UI
            m_startupMode = tr("Invoke");
            break;
        case ApplicationStartupMode::InvokeCard:
            // Wait for invoked signal to determine and initialize the appropriate UI
            m_startupMode = tr("Card");
            break;
        }

        // Create the UI

    }

    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());

        if (m_target == "com.example.bb10samples.invocation.sharecomposer") {
            initComposerUI();
        } else if (m_target
                == "com.example.bb10samples.invocation.imagepreviewer") {
            initPreviewerUI();
        } else if (m_target == "com.example.bb10samples.invocation.eggpicker") {
            initPickerUI();
        }

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

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

    void App::initComposerUI() {
        QmlDocument *qml = QmlDocument::create("asset:///Composer.qml");
        qml->setContextProperty("_app", this);
        AbstractPane *root = qml->createRootObject<AbstractPane>();
        Application::instance()->setScene(root);
    }

    void App::initPreviewerUI() {
        QmlDocument *qml = QmlDocument::create("asset:///Previewer.qml");
        qml->setContextProperty("_app", this);
        AbstractPane *root = qml->createRootObject<AbstractPane>();
        Application::instance()->setScene(root);
    }

    void App::initPickerUI() {
        QmlDocument *qml = QmlDocument::create("asset:///Picker.qml");
        qml->setContextProperty("_app", this);
        AbstractPane *root = qml->createRootObject<AbstractPane>();
        Application::instance()->setScene(root);
    }

    void App::cardDone(const QString& msg) {
        // Assemble message
        CardDoneMessage message;
        message.setData(msg);
        message.setDataType("text/plain");
        message.setReason(tr("Success!"));

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

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

    void App::pooled(const bb::system::CardDoneMessage& doneMessage) {
        m_status = tr("Pooled");
        m_source = m_target = m_action = m_mimeType = m_uri = m_data = tr("--");
        emit statusChanged();
        emit requestChanged();
    }

    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;
    }