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seasidepropertyhandler.cpp
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/*
* Copyright (C) 2013 Jolla Ltd.
* Contact: Chris Adams <chris.adams@jollamobile.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 Nemo Mobile nor 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."
*/
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#include "seasidepropertyhandler.h"
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#include <QContactAvatar>
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#include <QContactOnlineAccount>
#include <QContactPresence>
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#include <QContactSyncTarget>
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#include <QCryptographicHash>
#include <QDir>
#include <QImage>
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#include <qtcontacts-extensions.h>
namespace {
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QContactAvatar avatarFromPhotoProperty(const QVersitProperty &property)
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{
// if the property is a PHOTO property, store the data to disk
// and then create an avatar detail which points to it.
// The data might be either a URL, a file path, or encoded image data
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// It's hard to tell what the content is, because versit removes the encoding
// information in the process of decoding the data...
// Try to interpret the data as a URL
QString path(property.variantValue().toString());
QUrl url(path);
if (url.isValid()) {
// Treat remote URL as a true URL, and reference it in the avatar
if (!url.scheme().isEmpty() && !url.isLocalFile()) {
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QContactAvatar newAvatar;
newAvatar.setImageUrl(url);
// we have successfully processed this PHOTO property.
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return newAvatar;
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if (!url.isValid()) {
// See if we can resolve the data as a local file path
url = QUrl::fromLocalFile(path);
}
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QByteArray photoData;
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if (url.isValid()) {
// Try to read the data from the referenced file
const QString filePath(url.path());
if (QFile::exists(filePath)) {
QFile file(filePath);
if (!file.open(QIODevice::ReadOnly)) {
qWarning() << "Unable to process photo data as file:" << path;
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return QContactAvatar();
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} else {
photoData = file.readAll();
}
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}
}
if (photoData.isEmpty()) {
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// Try to interpret the encoded property data as the image
photoData = property.variantValue().toByteArray();
if (photoData.isEmpty()) {
qWarning() << "Failed to extract avatar data from vCard PHOTO property";
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return QContactAvatar();
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}
QImage img;
bool loaded = img.loadFromData(photoData);
if (!loaded) {
qWarning() << "Failed to load avatar image from vCard PHOTO data";
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return QContactAvatar();
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}
// We will save the avatar image to disk in the system's data location
// Since we're importing user data, it should not require privileged access
const QString subdirectory(QString::fromLatin1(".local/share/system/Contacts/avatars"));
const QString photoDirPath(QDir::home().filePath(subdirectory));
// create the photo file dir if it doesn't exist.
QDir photoDir;
if (!photoDir.mkpath(photoDirPath)) {
qWarning() << "Failed to create avatar image directory when loading avatar image from vCard PHOTO data";
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return QContactAvatar();
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}
// construct the filename of the new avatar image.
QString photoFilePath = QString::fromLatin1(QCryptographicHash::hash(photoData, QCryptographicHash::Md5).toHex());
photoFilePath = photoDirPath + QDir::separator() + photoFilePath + QString::fromLatin1(".jpg");
// save the file to disk
bool saved = img.save(photoFilePath);
if (!saved) {
qWarning() << "Failed to save avatar image from vCard PHOTO data to" << photoFilePath;
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return QContactAvatar();
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}
qWarning() << "Successfully saved avatar image from vCard PHOTO data to" << photoFilePath;
// save the avatar detail - TODO: mark the avatar as "owned by the contact" (remove on delete)
QContactAvatar newAvatar;
newAvatar.setImageUrl(QUrl::fromLocalFile(photoFilePath));
// we have successfully processed this PHOTO property.
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return newAvatar;
}
void processPhoto(const QVersitProperty &property, bool *alreadyProcessed, QList<QContactDetail> * updatedDetails)
{
QContactAvatar newAvatar = avatarFromPhotoProperty(property);
if (!newAvatar.isEmpty()) {
updatedDetails->append(newAvatar);
*alreadyProcessed = true;
}
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void processOnlineAccount(const QVersitProperty &property, bool *alreadyProcessed, QList<QContactDetail> * updatedDetails)
{
// Create an online account instance for demo purposes; it will not be connected
// to a registered telepathy account, so it won't actually be able to converse
// Try to interpret the data as a stringlist
const QString detail(property.variantValue().toString());
// The format is: URI/path/display-name/icon-path/service-provider/service-provider-display-name
const QStringList details(detail.split(QLatin1Char(';'), QString::KeepEmptyParts));
if (details.count() == 6) {
QContactOnlineAccount qcoa;
qcoa.setValue(QContactOnlineAccount::FieldAccountUri, details.at(0));
qcoa.setValue(QContactOnlineAccount__FieldAccountPath, details.at(1));
qcoa.setValue(QContactOnlineAccount__FieldAccountDisplayName, details.at(2));
qcoa.setValue(QContactOnlineAccount__FieldAccountIconPath, details.at(3));
qcoa.setValue(QContactOnlineAccount::FieldServiceProvider, details.at(4));
qcoa.setValue(QContactOnlineAccount__FieldServiceProviderDisplayName, details.at(5));
qcoa.setDetailUri(QString::fromLatin1("%1:%2").arg(details.at(1)).arg(details.at(0)));
updatedDetails->append(qcoa);
// Since it is a demo account, give it a random presence state
const int state = (qrand() % 4);
QContactPresence presence;
presence.setPresenceState(state == 3 ? QContactPresence::PresenceBusy : (state == 2 ? QContactPresence::PresenceAway : QContactPresence::PresenceAvailable));
presence.setLinkedDetailUris(QStringList() << qcoa.detailUri());
updatedDetails->append(presence);
*alreadyProcessed = true;
} else {
qWarning() << "Invalid online account details:" << details;
}
}
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void processSyncTarget(const QVersitProperty &property, bool *alreadyProcessed, QList<QContactDetail> * updatedDetails)
{
// Set the sync target for this contact, if appropriate
// Try to interpret the data as a string
const QString data(property.variantValue().toString().toLower());
if (data == QString::fromLatin1("bluetooth") || data == QString::fromLatin1("was_local")) {
QList<QContactDetail>::iterator it = updatedDetails->begin(), end = updatedDetails->end();
for ( ; it != end; ++it) {
if ((*it).type() == QContactSyncTarget::Type)
break;
}
if (it != end) {
QContactSyncTarget &syncTarget(static_cast<QContactSyncTarget &>(*it));
syncTarget.setSyncTarget(data);
} else {
QContactSyncTarget syncTarget;
syncTarget.setSyncTarget(data);
updatedDetails->append(syncTarget);
}
*alreadyProcessed = true;
} else {
qWarning() << "Invalid syncTarget data:" << data;
}
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void processSyncTarget(const QContactSyncTarget &detail, QSet<int> * processedFields, QList<QVersitProperty> * toBeRemoved, QList<QVersitProperty> * toBeAdded)
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Q_UNUSED(processedFields)
Q_UNUSED(toBeRemoved)
// Include the sync target in the export if it is not 'local' but is exportable
const QString syncTarget(detail.syncTarget());
if (syncTarget == QString::fromLatin1("bluetooth") || syncTarget == QString::fromLatin1("was_local")) {
QVersitProperty stProperty;
stProperty.setName(QString::fromLatin1("X-NEMOMOBILE-SYNCTARGET"));
stProperty.setValue(syncTarget);
toBeAdded->append(stProperty);
} else if (!syncTarget.isEmpty() && syncTarget != QString::fromLatin1("local")) {
qWarning() << "Invalid syncTarget for export:" << syncTarget;
}
}
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void ignoreDetail(const QContactSyncTarget &detail, QSet<int> * processedFields, QList<QVersitProperty> * toBeRemoved, QList<QVersitProperty> * toBeAdded)
{
Q_UNUSED(detail)
Q_UNUSED(processedFields)
toBeAdded->clear();
toBeRemoved->clear();
}
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class SeasidePropertyHandlerPrivate
{
public:
QSet<QContactDetail::DetailType> m_nonexportableDetails;
};
SeasidePropertyHandler::SeasidePropertyHandler(const QSet<QContactDetail::DetailType> &nonexportableDetails)
: QVersitContactHandler()
, priv(new SeasidePropertyHandlerPrivate)
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priv->m_nonexportableDetails = nonexportableDetails;
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}
SeasidePropertyHandler::~SeasidePropertyHandler()
{
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delete priv;
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}
void SeasidePropertyHandler::documentProcessed(const QVersitDocument &, QContact *)
{
// do nothing, have no state to clean.
}
void SeasidePropertyHandler::propertyProcessed(const QVersitDocument &, const QVersitProperty &property,
const QContact &, bool *alreadyProcessed, QList<QContactDetail> * updatedDetails)
{
const QString propertyName(property.name().toLower());
if (propertyName == QLatin1String("photo")) {
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processPhoto(property, alreadyProcessed, updatedDetails);
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} else if (propertyName == QLatin1String("x-nemomobile-onlineaccount-demo")) {
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processOnlineAccount(property, alreadyProcessed, updatedDetails);
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} else if (propertyName == QLatin1String("x-nemomobile-synctarget")) {
processSyncTarget(property, alreadyProcessed, updatedDetails);
}
}
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void SeasidePropertyHandler::contactProcessed(const QContact &, QVersitDocument *)
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{
}
void SeasidePropertyHandler::detailProcessed(const QContact &, const QContactDetail &detail,
const QVersitDocument &, QSet<int> * processedFields, QList<QVersitProperty> * toBeRemoved, QList<QVersitProperty> * toBeAdded)
{
const QContactDetail::DetailType detailType(detail.type());
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if (priv->m_nonexportableDetails.contains(detailType)) {
ignoreDetail(static_cast<const QContactSyncTarget &>(detail), processedFields, toBeRemoved, toBeAdded);
} else if (detailType == QContactSyncTarget::Type) {
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processSyncTarget(static_cast<const QContactSyncTarget &>(detail), processedFields, toBeRemoved, toBeAdded);
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QContactAvatar SeasidePropertyHandler::avatarFromPhotoProperty(const QVersitProperty &property)
{
return ::avatarFromPhotoProperty(property);
}