conversation: fix long loading time for images

Change-Id: Id88cfbd571f4b504f258758bd13b4e4a91bf1b49

src/commoncomponents/DataTransferMessageDelegate.qml

@@ -252,10 +252,11 @@ Loader {
                 Loader {
                     id: localMediaCompLoader
                     anchors.right: isOutgoing ? parent.right : undefined
+                    asynchronous: true
                     width: sourceComponent.width
                     height: sourceComponent.height
                     sourceComponent: mediaInfo.isImage !== undefined ?
-                                         imageComp :
+                                         imageComp : mediaInfo.isAnimatedImage !== undefined ? animatedImageComp :
                                          avComp
                     Component {
                         id: avComp
@@ -302,9 +303,9 @@ Loader {
                         }
                     }
                     Component {
-                        id: imageComp
+                        id: animatedImageComp
                         AnimatedImage {
-                            id: img
+                            id: animatedImg
                             anchors.right: isOutgoing ? parent.right : undefined
                             property real minSize: 192
                             property real maxSize: 256
@@ -327,6 +328,51 @@ Loader {
                                 anchors.fill: parent
                             }
                             layer.enabled: true
+                            layer.effect: OpacityMask {
+                                maskSource: MessageBubble {
+                                    out: isOutgoing
+                                    type: seq
+                                    width: animatedImg.width
+                                    height: animatedImg.height
+                                    radius: msgRadius
+                                }
+                            }
+                            HoverHandler {
+                                target : parent
+                                onHoveredChanged: {
+                                    localMediaMsgItem.hoveredLink = hovered ? animatedImg.source : ""
+                                }
+                                cursorShape: Qt.PointingHandCursor
+                            }
+                        }
+                    }
+
+                    Component {
+                        id: imageComp
+                        Image {
+                            id: img
+                            anchors.right: isOutgoing ? parent.right : undefined
+                            property real minSize: 192
+                            property real maxSize: 256
+                            cache: true
+                            fillMode: Image.PreserveAspectCrop
+                            mipmap: true
+                            antialiasing: true
+                            autoTransform: false
+                            asynchronous: true
+                            source: "file:///" + Body
+                            property real aspectRatio: implicitWidth / implicitHeight
+                            property real adjustedWidth: Math.min(maxSize,
+                                                                  Math.max(minSize,
+                                                                           innerContent.width - senderMargin))
+                            width: adjustedWidth
+                            height: Math.ceil(adjustedWidth / aspectRatio)
+                            Rectangle {
+                                color: JamiTheme.previewImageBackgroundColor
+                                z: -1
+                                anchors.fill: parent
+                            }
+                            layer.enabled: true
                             layer.effect: OpacityMask {
                                 maskSource: MessageBubble {
                                     out: isOutgoing

src/messagesadapter.cpp

@@ -458,13 +458,24 @@ MessagesAdapter::conversationTypersUrlToName(const QSet<QString>& typersSet)
     return nameList;
 }
 
-bool
+QVariantMap
 MessagesAdapter::isLocalImage(const QString& msg)
 {
     QImageReader reader;
     reader.setDecideFormatFromContent(true);
     reader.setFileName(msg);
-    return !reader.read().isNull();
+    QByteArray fileFormat = reader.format();
+    if (fileFormat == "gif") {
+        return {{"isAnimatedImage", true}};
+    }
+    QList<QByteArray> supportedFormats = reader.supportedImageFormats();
+    auto iterator = std::find_if(supportedFormats.begin(),
+                                 supportedFormats.end(),
+                                 [fileFormat](QByteArray format) { return format == fileFormat; });
+    if (iterator != supportedFormats.end()) {
+        return {{"isImage", true}};
+    }
+    return {{"isImage", false}};
 }
 
 QVariantMap
@@ -476,8 +487,9 @@ MessagesAdapter::getMediaInfo(const QString& msg)
           "<%1 style='width:100%;height:%2;outline:none;background-color:#f1f3f4;"
           "object-fit:cover;' "
           "controls controlsList='nodownload' src='file://%3' type='%4'/></body>";
-    if (isLocalImage(msg)) {
-        return {{"isImage", true}};
+    QVariantMap fileInfo = isLocalImage(msg);
+    if (fileInfo["isImage"].toBool() || fileInfo["isAnimatedImage"].toBool()) {
+        return fileInfo;
     }
     QRegularExpression vPattern("[^\\s]+(.*?)\\.(avi|mov|webm|webp|rmvb)$",
                                 QRegularExpression::CaseInsensitiveOption);

src/messagesadapter.h

@@ -101,7 +101,7 @@ protected:
     Q_INVOKABLE void deleteInteraction(const QString& interactionId);
     Q_INVOKABLE void copyToDownloads(const QString& interactionId, const QString& displayName);
     Q_INVOKABLE void userIsComposing(bool isComposing);
-    Q_INVOKABLE bool isLocalImage(const QString& msg);
+    Q_INVOKABLE QVariantMap isLocalImage(const QString& msg);
     Q_INVOKABLE QVariantMap getMediaInfo(const QString& msg);
     Q_INVOKABLE bool isRemoteImage(const QString& msg);
     Q_INVOKABLE QString getFormattedTime(const quint64 timestamp);