/*

* 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."

*/

#include <QContactAvatar>

#include <QContactOnlineAccount>

#include <QContactPresence>

#include <QCryptographicHash>

#include <QDir>

#include <QImage>

#include <qtcontacts-extensions.h>

namespace {

void processPhoto(const QVersitProperty &property, bool *alreadyProcessed, QList<QContactDetail> * updatedDetails)

{

// 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

// 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()) {

QContactAvatar newAvatar;

newAvatar.setImageUrl(url);

updatedDetails->append(newAvatar);

// we have successfully processed this PHOTO property.

*alreadyProcessed = true;

return;

}

}

if (!url.isValid()) {

// See if we can resolve the data as a local file path

url = QUrl::fromLocalFile(path);

}

QByteArray photoData;

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;

return;

} else {

photoData = file.readAll();

}

}

}

if (photoData.isEmpty()) {

// 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";

return;

}

}

QImage img;

bool loaded = img.loadFromData(photoData);

if (!loaded) {

qWarning() << "Failed to load avatar image from vCard PHOTO data";

return;

}

// 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";

return;

}

// 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;

return;

}

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));

updatedDetails->append(newAvatar);

// we have successfully processed this PHOTO property.

*alreadyProcessed = true;

}

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;

}

}

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;

}

}

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;

}

}

}

SeasidePropertyHandler::SeasidePropertyHandler()

{

}

SeasidePropertyHandler::~SeasidePropertyHandler()

{

}

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")) {

} else if (propertyName == QLatin1String("x-nemomobile-synctarget")) {

processSyncTarget(property, alreadyProcessed, updatedDetails);

}

}

void SeasidePropertyHandler::contactProcessed(const QContact &c, QVersitDocument *)

{

}

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());

if (detailType == QContactSyncTarget::Type) {

processSyncTarget(static_cast<const QContactSyncTarget &>(detail), processedFields, toBeRemoved, toBeAdded);

}

}