AvatarJob improvements

* Drop AvatarJob2
* Allow AvatarJob to retrieve different sizes and users
* Make creating a circular avatar into a function
  (maybe all avatars should be made into that shape in the first place)

Author: ckamm

src/gui/CMakeLists.txt

@@ -47,7 +47,6 @@ set(client_SRCS
     accountmanager.cpp
     accountsettings.cpp
     application.cpp
-    avatarjob.cpp
     folder.cpp
     folderman.cpp
     folderstatusmodel.cpp

src/gui/avatarjob.cpp

@@ -57,23 +57,6 @@ namespace OCC {
 
 #include "settingsdialogcommon.cpp"
 
-static QIcon circleMask(const QImage &avatar)
-{
-    int dim = avatar.width();
-
-    QPixmap fixedImage(dim, dim);
-    fixedImage.fill(Qt::transparent);
-
-    QPainter imgPainter(&fixedImage);
-    QPainterPath clip;
-    clip.addEllipse(0, 0, dim, dim);
-    imgPainter.setClipPath(clip);
-    imgPainter.drawImage(0, 0, avatar);
-    imgPainter.end();
-
-    return QIcon(fixedImage);
-}
-
 //
 // Whenever you change something here check both settingsdialog.cpp and settingsdialogmac.cpp !
 //
@@ -232,7 +215,7 @@ void SettingsDialog::accountAdded(AccountState *s)
         accountAction = createColorAwareAction(QLatin1String(":/client/resources/account.png"),
             actionText);
     } else {
-        QIcon icon = circleMask(avatar);
+        QIcon icon(QPixmap::fromImage(AvatarJob::makeCircularAvatar(avatar)));
         accountAction = createActionWithIcon(icon, actionText);
     }
 
@@ -265,7 +248,7 @@ void SettingsDialog::slotAccountAvatarChanged()
         if (action) {
             QImage pix = account->avatar();
             if (!pix.isNull()) {
-                action->setIcon(circleMask(pix));
+                action->setIcon(QPixmap::fromImage(AvatarJob::makeCircularAvatar(pix)));
             }
         }
     }

src/gui/avatarjob.h

@@ -26,7 +26,6 @@
 #include "thumbnailjob.h"
 #include "sharee.h"
 #include "sharemanager.h"
-#include "avatarjob.h"
 
 #include "QProgressIndicator.h"
 #include <QBuffer>
@@ -470,53 +469,23 @@ void ShareUserLine::loadAvatar()
 
     // We can only fetch avatars for local users currently
     if (_share->getShareWith()->type() == Sharee::User) {
-        AvatarJob2 *job = new AvatarJob2(_share->getShareWith()->shareWith(), 48, _share->account(), this);
-        connect(job, SIGNAL(avatarReady(QByteArray, QString)), SLOT(slotAvatarLoaded(QByteArray, QString)));
+        AvatarJob *job = new AvatarJob(_share->account(), _share->getShareWith()->shareWith(), 48, this);
+        connect(job, &AvatarJob::avatarPixmap, this, &ShareUserLine::slotAvatarLoaded);
         job->start();
     }
 }
 
-void ShareUserLine::slotAvatarLoaded(const QByteArray &data, const QString &mimeType)
+void ShareUserLine::slotAvatarLoaded(QImage avatar)
 {
-    QPixmap p;
-    bool valid = false;
-    if (mimeType == "image/png") {
-        valid = p.loadFromData(data, "PNG");
-    } else if (mimeType == "image/jpeg") {
-        valid = p.loadFromData(data, "JPG");
-    } else {
-        // Guess the filetype
-        valid = p.loadFromData(data);
-    }
+    if (avatar.isNull())
+        return;
 
-    // If the image was loaded succesfully set it!
-    if (valid) {
+    avatar = AvatarJob::makeCircularAvatar(avatar);
 
-        /*
-         * We want round avatars so create a new pixmap to draw
-         * the round avatar on and set a transparent background
-         */
-        QPixmap avatar(p.width(), p.height());
-        avatar.fill(QColor(0,0,0,0));
-
-        // Initialise our painer
-        QPainter painter(&avatar);
-        painter.setRenderHint(QPainter::Antialiasing);
-
-        // Set to draw only a cricle
-        QPainterPath path;
-        path.addEllipse(0,0,p.width(),p.height());
-        painter.setClipPath(path);
-
-        // Draw the round avatar
-        painter.drawPixmap(0,0,p.width(),p.width(),p);
-
-        // Set the avatar
-        _ui->avatar->setPixmap(avatar);
-        
-        // Remove the stylesheet
-        _ui->avatar->setStyleSheet("");
-    }
+    _ui->avatar->setPixmap(QPixmap::fromImage(avatar));
+
+    // Remove the stylesheet for the fallback avatar
+    _ui->avatar->setStyleSheet("");
 }
 
 void ShareUserLine::on_deleteShareButton_clicked()

src/gui/settingsdialog.cpp

@@ -131,7 +131,7 @@ private slots:
     void slotShareDeleted();
     void slotPermissionsSet();
 
-    void slotAvatarLoaded(const QByteArray &data, const QString &mimeType);
+    void slotAvatarLoaded(QImage avatar);
 
 private:
     void displayPermissions();

src/gui/shareusergroupwidget.cpp

@@ -334,7 +334,7 @@ void ConnectionValidator::slotUserFetched(const QJsonDocument &json)
     if (!user.isEmpty()) {
         _account->setDavUser(user);
 
-        AvatarJob *job = new AvatarJob(_account, this);
+        AvatarJob *job = new AvatarJob(_account, _account->davUser(), 128, this);
         job->setTimeout(20 * 1000);
         QObject::connect(job, &AvatarJob::avatarPixmap, this, &ConnectionValidator::slotAvatarImage);
 

src/gui/shareusergroupwidget.h

@@ -30,6 +30,7 @@
 #include <QPixmap>
 #include <QJsonDocument>
 #include <QJsonObject>
+#include <QPainter>
 
 #include "networkjobs.h"
 #include "account.h"
@@ -626,10 +627,10 @@ bool PropfindJob::finished()
 
 /*********************************************************************************************/
 
-AvatarJob::AvatarJob(AccountPtr account, QObject *parent)
+AvatarJob::AvatarJob(AccountPtr account, const QString &userId, int size, QObject *parent)
     : AbstractNetworkJob(account, QString(), parent)
 {
-    _avatarUrl = Utility::concatUrlPath(account->url(), QString("remote.php/dav/avatars/%1/128.png").arg(account->davUser()));
+    _avatarUrl = Utility::concatUrlPath(account->url(), QString("remote.php/dav/avatars/%1/%2.png").arg(userId, QString::number(size)));
 }
 
 void AvatarJob::start()
@@ -639,6 +640,26 @@ void AvatarJob::start()
     AbstractNetworkJob::start();
 }
 
+QImage AvatarJob::makeCircularAvatar(const QImage &baseAvatar)
+{
+    int dim = baseAvatar.width();
+
+    QImage avatar(dim, dim, baseAvatar.format());
+    avatar.fill(Qt::transparent);
+
+    QPainter painter(&avatar);
+    painter.setRenderHint(QPainter::Antialiasing);
+
+    QPainterPath path;
+    path.addEllipse(0, 0, dim, dim);
+    painter.setClipPath(path);
+
+    painter.drawImage(0, 0, baseAvatar);
+    painter.end();
+
+    return avatar;
+}
+
 bool AvatarJob::finished()
 {
     int http_result_code = reply()->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();

src/libsync/connectionvalidator.cpp

@@ -137,9 +137,7 @@ private slots:
 
 
 /**
- * @brief The AvatarJob class
- *
- * Retrieves the account users avatar from the server using a GET request.
+ * @brief Retrieves the account users avatar from the server using a GET request.
  *
  * If the server does not have the avatar, the result Pixmap is empty.
  *
@@ -149,9 +147,17 @@ class OWNCLOUDSYNC_EXPORT AvatarJob : public AbstractNetworkJob
 {
     Q_OBJECT
 public:
-    explicit AvatarJob(AccountPtr account, QObject *parent = 0);
+    /**
+     * @param userId The user for which to obtain the avatar
+     * @param size The size of the avatar (square so size*size)
+     */
+    explicit AvatarJob(AccountPtr account, const QString &userId, int size, QObject *parent = 0);
+
     void start() Q_DECL_OVERRIDE;
 
+    /** The retrieved avatar images don't have the circle shape by default */
+    static QImage makeCircularAvatar(const QImage &baseAvatar);
+
 signals:
     /**
      * @brief avatarPixmap - returns either a valid pixmap or not.