From a44a4f36af67c016e207b1cbd63817c6751ed89d Mon Sep 17 00:00:00 2001
From: Konstantinos Sideris <sideris.konstantin@gmail.com>
Date: Sat, 2 Sep 2017 16:47:59 +0300
Subject: [PATCH] Add read support for m.emote events (#41)

---
 include/TimelineItem.h |  4 ++++
 include/TimelineView.h |  3 +++
 src/TimelineItem.cc    | 39 +++++++++++++++++++++++++++++++++++++--
 src/TimelineView.cc    | 29 +++++++++++++++++++++++++++++
 4 files changed, 73 insertions(+), 2 deletions(-)

diff --git a/include/TimelineItem.h b/include/TimelineItem.h
index df43c26..59c79d5 100644
--- a/include/TimelineItem.h
+++ b/include/TimelineItem.h
@@ -25,6 +25,7 @@
 #include "Sync.h"
 
 #include "Avatar.h"
+#include "Emote.h"
 #include "Image.h"
 #include "MessageEvent.h"
 #include "Notice.h"
@@ -44,6 +45,9 @@ public:
         TimelineItem(const events::MessageEvent<msgs::Text> &e,
                      bool with_sender,
                      QWidget *parent = 0);
+        TimelineItem(const events::MessageEvent<msgs::Emote> &e,
+                     bool with_sender,
+                     QWidget *parent = 0);
 
         // For local messages.
         TimelineItem(const QString &userid, QString body, QWidget *parent = 0);
diff --git a/include/TimelineView.h b/include/TimelineView.h
index c6eef26..7583e4c 100644
--- a/include/TimelineView.h
+++ b/include/TimelineView.h
@@ -28,6 +28,7 @@
 #include "TimelineItem.h"
 
 #include "Image.h"
+#include "Emote.h"
 #include "Notice.h"
 #include "RoomInfoListItem.h"
 #include "Text.h"
@@ -77,6 +78,8 @@ public:
                                          bool with_sender);
         TimelineItem *createTimelineItem(const events::MessageEvent<msgs::Text> &e,
                                          bool with_sender);
+        TimelineItem *createTimelineItem(const events::MessageEvent<msgs::Emote> &e,
+                                         bool with_sender);
 
         // Add new events at the end of the timeline.
         int addEvents(const Timeline &timeline);
diff --git a/src/TimelineItem.cc b/src/TimelineItem.cc
index cfa5a98..62ebc51 100644
--- a/src/TimelineItem.cc
+++ b/src/TimelineItem.cc
@@ -191,6 +191,43 @@ TimelineItem::TimelineItem(const events::MessageEvent<msgs::Notice> &event,
         mainLayout_->addWidget(body_);
 }
 
+/*
+ * Used to display remote emote messages.
+ */
+TimelineItem::TimelineItem(const events::MessageEvent<msgs::Emote> &event,
+                           bool with_sender,
+                           QWidget *parent)
+  : QWidget(parent)
+{
+        init();
+
+        auto body        = event.content().body().trimmed().toHtmlEscaped();
+        auto timestamp   = QDateTime::fromMSecsSinceEpoch(event.timestamp());
+        auto displayName = TimelineViewManager::displayName(event.sender());
+        auto emoteMsg    = QString("* %1 %2").arg(displayName).arg(body);
+
+        descriptionMsg_ = { "",
+                            event.sender(),
+                            emoteMsg,
+                            descriptiveTime(QDateTime::fromMSecsSinceEpoch(event.timestamp())) };
+
+        generateTimestamp(timestamp);
+        emoteMsg.replace(URL_REGEX, URL_HTML);
+
+        if (with_sender) {
+                generateBody(displayName, emoteMsg);
+                setupAvatarLayout(displayName);
+                mainLayout_->addLayout(headerLayout_);
+
+                AvatarProvider::resolve(event.sender(), this);
+        } else {
+                generateBody(emoteMsg);
+                setupSimpleLayout();
+        }
+
+        mainLayout_->addWidget(body_);
+}
+
 /*
  * Used to display remote text messages.
  */
@@ -216,8 +253,6 @@ TimelineItem::TimelineItem(const events::MessageEvent<msgs::Text> &event,
         body.replace(URL_REGEX, URL_HTML);
 
         if (with_sender) {
-                auto displayName = TimelineViewManager::displayName(event.sender());
-
                 generateBody(displayName, body);
                 setupAvatarLayout(displayName);
 
diff --git a/src/TimelineView.cc b/src/TimelineView.cc
index 114e5fd..4dd6360 100644
--- a/src/TimelineView.cc
+++ b/src/TimelineView.cc
@@ -274,6 +274,28 @@ TimelineView::parseMessageEvent(const QJsonObject &event, TimelineDirection dire
                         updateLastSender(img.sender(), direction);
 
                         return createTimelineItem(img, with_sender);
+                } else if (msg_type == events::MessageEventType::Emote) {
+                        events::MessageEvent<msgs::Emote> emote;
+
+                        try {
+                                emote.deserialize(event);
+                        } catch (const DeserializationException &e) {
+                                qWarning() << e.what() << event;
+                                return nullptr;
+                        }
+
+                        if (isDuplicate(emote.eventId()))
+                                return nullptr;
+
+                        eventIds_[emote.eventId()] = true;
+
+                        // TODO Check if it's a message waiting for validation
+
+                        auto with_sender = isSenderRendered(emote.sender(), direction);
+
+                        updateLastSender(emote.sender(), direction);
+
+                        return createTimelineItem(emote, with_sender);
                 } else if (msg_type == events::MessageEventType::Unknown) {
                         qWarning() << "Unknown message type" << event;
                         return nullptr;
@@ -403,6 +425,13 @@ TimelineView::createTimelineItem(const events::MessageEvent<msgs::Text> &event,
         return item;
 }
 
+TimelineItem *
+TimelineView::createTimelineItem(const events::MessageEvent<msgs::Emote> &event, bool with_sender)
+{
+        TimelineItem *item = new TimelineItem(event, with_sender, scroll_widget_);
+        return item;
+}
+
 void
 TimelineView::addTimelineItem(TimelineItem *item, TimelineDirection direction)
 {