Rework param loading

qgroundcontrol.pro

@@ -310,7 +310,6 @@ HEADERS += \
     src/AutoPilotPlugins/PX4/PX4AirframeLoader.h \
     src/AutoPilotPlugins/APM/APMAirframeLoader.h \
     src/QmlControls/QGCImageProvider.h \
-    src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.h \
     src/QtLocationPlugin/QMLControl/QGCMapEngineManager.h \
     src/PositionManager/PositionManager.h
 
@@ -463,7 +462,6 @@ SOURCES += \
     src/AutoPilotPlugins/PX4/PX4AirframeLoader.cc \
     src/AutoPilotPlugins/APM/APMAirframeLoader.cc \
     src/QmlControls/QGCImageProvider.cc \
-    src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.cc \
     src/QtLocationPlugin/QMLControl/QGCMapEngineManager.cc \
     src/PositionManager/SimulatedPosition.cc \
     src/PositionManager/PositionManager.cpp

src/AutoPilotPlugins/APM/APMAirframeComponent.qml

@@ -61,9 +61,6 @@ QGCView {
                 onCurrentAirframeTypeChanged: {
                     airframePicker.model = controller.currentAirframeType.airframes;
                 }
-                onCurrentAirframeChanged : {
-                    hideDialog();
-                }
             }
 
             QGCLabel {
@@ -73,7 +70,7 @@ QGCView {
                 anchors.right:      parent.right
                 anchors.margins:    _margins
                 wrapMode:           Text.WordWrap
-                text:               qsTr("Select you drone to load the default parameters for it. ")
+                text:               qsTr("Select your drone to load the default parameters for it. ")
             }
 
             Flow {
@@ -95,7 +92,10 @@ QGCView {
                         height: (ScreenTools.defaultFontPixelHeight * 14) / 5
                         text:   controller.currentAirframeType.airframes[index].name;
 
-                        onClicked : controller.currentAirframe = controller.currentAirframeType.airframes[index]
+                        onClicked : {
+                            controller.loadParameters(controller.currentAirframeType.airframes[index].params)
+                            hideDialog()
+                        }
                     }
                 }
             }

src/AutoPilotPlugins/APM/APMAirframeComponentController.cc

@@ -26,16 +26,18 @@
 
 #include "APMAirframeComponentController.h"
 #include "APMAirframeComponentAirframes.h"
-#include "APMRemoteParamsDownloader.h"
 #include "QGCMAVLink.h"
 #include "MultiVehicleManager.h"
 #include "AutoPilotPluginManager.h"
 #include "QGCApplication.h"
+#include "QGCFileDownload.h"
 
 #include <QVariant>
 #include <QQmlProperty>
 #include <QStandardPaths>
 #include <QDir>
+#include <QJsonParseError>
+#include <QJsonObject>
 
 bool APMAirframeComponentController::_typesRegistered = false;
 
@@ -94,12 +96,14 @@ void APMAirframeComponentController::_fillAirFrames()
     emit loadAirframesCompleted();
 }
 
-void APMAirframeComponentController::_finishVehicleSetup() {
-    QDir dataLocation = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation).at(0)
-           + QDir::separator() + qApp->applicationName();
-
-    QFile parametersFile(dataLocation.absoluteFilePath(_currentAirframe->params()));
-    parametersFile.open(QIODevice::ReadOnly);
+void APMAirframeComponentController::_loadParametersFromDownloadFile(const QString& downloadedParamFile)
+{
+    QFile parametersFile(downloadedParamFile);
+    if (!parametersFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        qWarning() << "Unable to open downloaded parameter file" << downloadedParamFile << parametersFile.errorString();
+        qgcApp()->restoreOverrideCursor();
+        return;
+    }
 
     QTextStream reader(&parametersFile);
 
@@ -115,9 +119,7 @@ void APMAirframeComponentController::_finishVehicleSetup() {
             param->setRawValue(QVariant::fromValue(aux.at(1)));
         }
     }
-    qgcApp()->setOverrideCursor(Qt::ArrowCursor);
-    sender()->deleteLater();
-    emit currentAirframeChanged(_currentAirframe);
+    qgcApp()->restoreOverrideCursor();
 }
 
 APMAirframeType::APMAirframeType(const QString& name, const QString& imageResource, int type, QObject* parent) :
@@ -193,23 +195,68 @@ QString APMAirframeComponentController::currentAirframeTypeName() const
     return _vehicle->vehicleTypeName();
 }
 
-APMAirframe *APMAirframeComponentController::currentAirframe() const
+void APMAirframeComponentController::setCurrentAirframeType(APMAirframeType *t)
 {
-    return _currentAirframe;
+    Fact *param = getParameterFact(-1, QStringLiteral("FRAME"));
+    Q_ASSERT(param);
+    param->setRawValue(t->type());
 }
 
-void APMAirframeComponentController::setCurrentAirframe(APMAirframe *t)
+void APMAirframeComponentController::loadParameters(const QString& paramFile)
 {
-    _currentAirframe = t;
     qgcApp()->setOverrideCursor(Qt::WaitCursor);
-    APMRemoteParamsDownloader *paramDownloader = new APMRemoteParamsDownloader(_currentAirframe->params());
-    connect(paramDownloader, &APMRemoteParamsDownloader::finished, this, &APMAirframeComponentController::_finishVehicleSetup);
+
+    QString paramFileUrl = QStringLiteral("https://api.github.com/repos/ArduPilot/ardupilot/contents/Tools/Frame_params/%1?ref=master");
+
+    QGCFileDownload* downloader = new QGCFileDownload(this);
+    connect(downloader, &QGCFileDownload::downloadFinished, this, &APMAirframeComponentController::_githubJsonDownloadFinished);
+    connect(downloader, &QGCFileDownload::error, this, &APMAirframeComponentController::_githubJsonDownloadError);
+    downloader->download(paramFileUrl.arg(paramFile));
 }
 
-void APMAirframeComponentController::setCurrentAirframeType(APMAirframeType *t)
+void APMAirframeComponentController::_githubJsonDownloadFinished(QString remoteFile, QString localFile)
 {
-    Fact *param = getParameterFact(-1, QStringLiteral("FRAME"));
-    Q_ASSERT(param);
-    param->setRawValue(t->type());
+    Q_UNUSED(remoteFile);
+
+    QFile jsonFile(localFile);
+    if (!jsonFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        qWarning() << "Unable to open github json file" << localFile << jsonFile.errorString();
+        qgcApp()->restoreOverrideCursor();
+        return;
+    }
+    QByteArray bytes = jsonFile.readAll();
+    jsonFile.close();
+
+    QJsonParseError jsonParseError;
+    QJsonDocument doc = QJsonDocument::fromJson(bytes, &jsonParseError);
+    if (jsonParseError.error != QJsonParseError::NoError) {
+        qWarning() <<  "Unable to open json document" << localFile << jsonParseError.errorString();
+        qgcApp()->restoreOverrideCursor();
+        return;
+    }
+    QJsonObject json = doc.object();
+
+    QGCFileDownload* downloader = new QGCFileDownload(this);
+    connect(downloader, &QGCFileDownload::downloadFinished, this, &APMAirframeComponentController::_paramFileDownloadFinished);
+    connect(downloader, &QGCFileDownload::error, this, &APMAirframeComponentController::_paramFileDownloadError);
+    downloader->download(json["download_url"].toString());
+}
+
+void APMAirframeComponentController::_githubJsonDownloadError(QString errorMsg)
+{
+    qgcApp()->showMessage(tr("Param file github json download failed: % 1").arg(errorMsg));
+    qgcApp()->restoreOverrideCursor();
 }
 
+void APMAirframeComponentController::_paramFileDownloadFinished(QString remoteFile, QString localFile)
+{
+    Q_UNUSED(remoteFile);
+
+    _loadParametersFromDownloadFile(localFile);
+}
+
+void APMAirframeComponentController::_paramFileDownloadError(QString errorMsg)
+{
+    qgcApp()->showMessage(tr("Param file download failed: % 1").arg(errorMsg));
+    qgcApp()->restoreOverrideCursor();
+}

src/AutoPilotPlugins/APM/APMAirframeComponentController.h

@@ -58,7 +58,8 @@ public:
     
     Q_PROPERTY(QmlObjectListModel* airframeTypesModel MEMBER _airframeTypesModel CONSTANT)
     Q_PROPERTY(APMAirframeType* currentAirframeType READ currentAirframeType WRITE setCurrentAirframeType NOTIFY currentAirframeTypeChanged)
-    Q_PROPERTY(APMAirframe* currentAirframe READ currentAirframe WRITE setCurrentAirframe NOTIFY currentAirframeChanged)
+
+    Q_INVOKABLE void loadParameters(const QString& paramFile);
 
     int currentAirframeIndex(void);
     void setCurrentAirframeIndex(int newIndex);
@@ -66,25 +67,25 @@ public:
 signals:
     void loadAirframesCompleted();
     void currentAirframeTypeChanged(APMAirframeType* airframeType);
-    void currentAirframeChanged(APMAirframe* airframe);
 
 public slots:
     APMAirframeType *currentAirframeType() const;
     Q_INVOKABLE QString currentAirframeTypeName() const;
-    APMAirframe *currentAirframe() const;
     void setCurrentAirframeType(APMAirframeType *t);
-    void setCurrentAirframe(APMAirframe *t);
 
 private slots:
     void _fillAirFrames(void);
-    void _finishVehicleSetup(void);
     void _factFrameChanged(QVariant v);
+    void _githubJsonDownloadFinished(QString remoteFile, QString localFile);
+    void _githubJsonDownloadError(QString errorMsg);
+    void _paramFileDownloadFinished(QString remoteFile, QString localFile);
+    void _paramFileDownloadError(QString errorMsg);
 
 private:
+    void _loadParametersFromDownloadFile(const QString& downloadedParamFile);
+
     static bool _typesRegistered;
     APMAirframeType *_currentAirframeType;
-    APMAirframe *_currentAirframe;
-    int _waitParamWriteSignalCount;
     QmlObjectListModel *_airframeTypesModel;
 };
 

src/AutoPilotPlugins/APM/APMAutoPilotPlugin.cc

@@ -32,7 +32,6 @@
 #include "APMAirframeComponentAirframes.h"
 #include "APMAirframeComponentController.h"
 #include "APMAirframeLoader.h"
-#include "APMRemoteParamsDownloader.h"
 #include "APMFlightModesComponent.h"
 #include "APMRadioComponent.h"
 #include "APMSafetyComponent.h"

src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.cc

-/*=====================================================================
-
- QGroundControl Open Source Ground Control Station
-
- (c) 2009 - 2014 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/>.
-
- ======================================================================*/
-
-#include "APMRemoteParamsDownloader.h"
-
-#include <QMessageBox>
-#include <QDesktopServices>
-#include <QFile>
-#include <QFileDialog>
-#include <QNetworkAccessManager>
-#include <QNetworkReply>
-#include <QTimer>
-#include <QJsonDocument>
-#include <QJsonObject>
-#include <QJsonArray>
-#include <QCryptographicHash>
-#include <QApplication>
-
-#include "APMRemoteParamsDownloader.h"
-
-#define FRAME_PARAMS_LIST QUrl("https://api.github.com/repos/diydrones/ardupilot/contents/Tools/Frame_params")
-#define FRAME_PARAMS_URL "https://raw.github.com/diydrones/ardupilot/master/Tools/Frame_params/"
-
-static QString dataLocation;
-
-APMRemoteParamsDownloader::APMRemoteParamsDownloader(const QString& file) :
-    m_fileToDownload(file),
-    m_networkReply(NULL),
-    m_downloadedParamFile(NULL)
-{
-    dataLocation = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation).at(0)
-           + QDir::separator() + qApp->applicationName();
-    refreshParamList();
-}
-
-QString APMRemoteParamsDownloader::statusText() const
-{
-    return m_statusText;
-}
-void APMRemoteParamsDownloader::setStatusText(const QString& text)
-{
-    m_statusText = text;
-}
-
-void APMRemoteParamsDownloader::refreshParamList()
-{
-    setStatusText(tr("Refresh Param file list"));
-
-    QUrl url = FRAME_PARAMS_LIST;
-    m_networkReply->deleteLater();
-    m_networkReply = m_networkAccessManager.get(QNetworkRequest(url));
-    connect(m_networkReply, &QNetworkReply::finished, this, &APMRemoteParamsDownloader::httpParamListFinished);
-    connect(m_networkReply, &QNetworkReply::downloadProgress, this, &APMRemoteParamsDownloader::updateDataReadProgress);
-}
-
-/* Returned Json Example
-    "_links": {
-        "git":"https://api.github.com/repos/diydrones/ardupilot/git/blobs/a7074e606d695566f9a8c87724ad52e5e3baba7d",
-        "html":"https://github.com/diydrones/ardupilot/blob/master/Tools/Frame_params/Parrot_Bebop.param",
-        "self":"https://api.github.com/repos/diydrones/ardupilot/contents/Tools/Frame_params/Parrot_Bebop.param?ref=master"
-    },
-    "download_url":"https://raw.githubusercontent.com/diydrones/ardupilot/master/Tools/Frame_params/Parrot_Bebop.param",
-    "git_url":"https://api.github.com/repos/diydrones/ardupilot/git/blobs/a7074e606d695566f9a8c87724ad52e5e3baba7d",
-    "html_url":"https://github.com/diydrones/ardupilot/blob/master/Tools/Frame_params/Parrot_Bebop.param",
-    "name":"Parrot_Bebop.param","path":"Tools/Frame_params/Parrot_Bebop.param",""
-    "sha":"a7074e606d695566f9a8c87724ad52e5e3baba7d",
-    "size":533,
-    "type":"file",
-    "url":"https://api.github.com/repos/diydrones/ardupilot/contents/Tools/Frame_params/Parrot_Bebop.param?ref=master"
-*/
-void APMRemoteParamsDownloader::startFileDownloadRequest()
-{
-    QUrl url;
-
-    QJsonObject obj;
-
-    // Find the correct file from the json file list.
-    while(curr != end) {
-        obj = (*curr).toObject();
-        url = QUrl(obj["download_url"].toString());
-        QString name = obj["name"].toString();
-        if (name == m_fileToDownload) {
-            break;
-        }
-        curr++;
-    }
-    if (curr == end)
-        return;
-
-    QDir parameterDir(dataLocation);
-    if (!parameterDir.exists())
-        parameterDir.mkpath(dataLocation);
-
-    QString filename = parameterDir.absoluteFilePath(obj["name"].toString());
-
-    if(m_downloadedParamFile)
-        m_downloadedParamFile->deleteLater();
-    m_downloadedParamFile = new QFile(filename);
-    m_downloadedParamFile->open(QIODevice::WriteOnly);
-
-    m_networkReply = m_networkAccessManager.get(QNetworkRequest(url));
-    connect(m_networkReply, &QNetworkReply::finished, this, &APMRemoteParamsDownloader::httpFinished);
-    connect(m_networkReply, &QNetworkReply::readyRead, this, &APMRemoteParamsDownloader::httpReadyRead);
-    connect(m_networkReply, &QNetworkReply::downloadProgress, this, &APMRemoteParamsDownloader::updateDataReadProgress);
-    curr++;
-}
-
-void APMRemoteParamsDownloader::httpFinished()
-{
-    m_downloadedParamFile->flush();
-    m_downloadedParamFile->close();
-
-    if (m_networkReply->error()) {
-        m_downloadedParamFile->remove();
-        setStatusText(tr("Download failed: %1.").arg(m_networkReply->errorString()));
-    }
-
-    m_networkReply->deleteLater();
-    m_networkReply = NULL;
-    delete m_downloadedParamFile;
-    m_downloadedParamFile = NULL;
-
-    emit finished();
-}
-
-void APMRemoteParamsDownloader::httpReadyRead()
-{
-    if (m_downloadedParamFile)
-        m_downloadedParamFile->write(m_networkReply->readAll());
-}
-
-void APMRemoteParamsDownloader::updateDataReadProgress(qint64 bytesRead, qint64 totalBytes)
-{
-    Q_UNUSED(bytesRead);
-    Q_UNUSED(totalBytes);
-}
-
-void APMRemoteParamsDownloader::httpParamListFinished()
-{
-    if (m_networkReply->error()) {
-        qDebug() <<  "Download failed:" << m_networkReply->errorString();
-        return;
-    }
-    processDownloadedVersionObject(m_networkReply->readAll());
-    startFileDownloadRequest();
-}
-
-void APMRemoteParamsDownloader::processDownloadedVersionObject(const QByteArray &listObject)
-{
-    QJsonParseError jsonErrorChecker;
-    QJsonDocument jsonDocument = QJsonDocument::fromJson(listObject, &jsonErrorChecker);
-    if (jsonErrorChecker.error != QJsonParseError::NoError) {
-        qDebug() << "Json error while parsing document:" << jsonErrorChecker.errorString();
-        return;
-    }
-
-    m_documentArray = jsonDocument.array();
-    curr = m_documentArray.constBegin();
-    end = m_documentArray.constEnd();
-}

src/AutoPilotPlugins/APM/APMRemoteParamsDownloader.h

-#ifndef APMREMOTEPARAMSCONTROLLER_H
-#define APMREMOTEPARAMSCONTROLLER_H
-
-#include <QObject>
-#include <QNetworkAccessManager>
-#include <QUrl>
-#include <QJsonArray>
-
-class QNetworkReply;
-class QFile;
-class QUrl;
-
-class APMRemoteParamsDownloader : public QObject
-{
-    Q_OBJECT
-    Q_PROPERTY(QString statusText READ statusText)
-public:
-    explicit APMRemoteParamsDownloader(const QString& file);
-    QString statusText() const;
-    void refreshParamList();
-    void httpParamListFinished();
-    void httpFinished();
-    void httpReadyRead();
-    void updateDataReadProgress(qint64 bytesRead, qint64 totalBytes);
-
-private:
-    void setStatusText(const QString& text);
-    void startFileDownloadRequest();
-    void manualListSetup();
-    void processDownloadedVersionObject(const QByteArray& listObject);
-    void startDownloadingRemoteParams();
-
-signals:
-    void finished();
-private:
-    QString m_fileToDownload;
-    QString m_statusText;
-    QNetworkAccessManager m_networkAccessManager;
-    QNetworkReply* m_networkReply;
-    QFile* m_downloadedParamFile;
-
-    // the list of needed documents.
-    QJsonArray m_documentArray;
-    QJsonArray::const_iterator curr;
-    QJsonArray::const_iterator end;
-};
-
-#endif // APMREMOTEPARAMSCONTROLLER_H