Support encrypted file reading & caching

Also don't convert palette images to JPEG when creating thumbnails.

src/qml/Base/HMxcImage.qml

@@ -21,6 +21,7 @@ HImage {
     property string mxc
     property string sourceOverride: ""
     property bool thumbnail: true
+    property var cryptDict: ({})
 
     property bool show: false
     property string cachedPath: ""
@@ -45,7 +46,8 @@ HImage {
         }
 
         let method = image.thumbnail ? "get_thumbnail" : "get_media"
-        let args = image.thumbnail ? [image.mxc, w, h] : [image.mxc]
+        let args = image.thumbnail ?
+                   [image.mxc, w, h, cryptDict] : [image.mxc, cryptDict]
 
         py.callClientCoro(
             clientUserId, "media_cache." + method, args, path => {

src/qml/Chat/Timeline/EventDelegate.qml

@@ -36,14 +36,14 @@ Column {
 
     readonly property bool smallAvatar:
         eventList.canCombine(model, nextItem) &&
-        (model.event_type == "RoomMessageEmote" ||
+        (model.event_type === "RoomMessageEmote" ||
          ! model.event_type.startsWith("RoomMessage"))
 
     readonly property bool collapseAvatar: combine
     readonly property bool hideAvatar: onRight
 
     readonly property bool hideNameLine:
-        model.event_type == "RoomMessageEmote" ||
+        model.event_type === "RoomMessageEmote" ||
         ! model.event_type.startsWith("RoomMessage") ||
         onRight ||
         combine

src/qml/Chat/Timeline/EventImage.qml

@@ -14,6 +14,9 @@ HMxcImage {
     mxc: thumbnail ?
          (loader.thumbnailMxc || loader.mediaUrl) :
          (loader.mediaUrl || loader.thumbnailMxc)
+    cryptDict: thumbnail && loader.thumbnailMxc ?
+               loader.singleMediaInfo.thumbnail_crypt_dict :
+               loader.singleMediaInfo.media_crypt_dict
 
 
     property EventMediaLoader loader

src/qml/SidePane/RoomDelegate.qml

@@ -71,6 +71,7 @@ HTileDelegate {
 
         let ev = model.data.last_event
 
+        // If it's an emote or non-message/media event
         if (ev.event_type === "RoomMessageEmote" ||
             ! ev.event_type.startsWith("RoomMessage")) {
             return Utils.processedEventText(ev)

src/qml/utils.js

@@ -109,6 +109,7 @@ function processedEventText(ev) {
     }
 
     if (ev.event_type.startsWith("RoomMessage")) { return ev.content }
+    if (ev.event_type.startsWith("RoomEncrypted")) { return ev.content }
 
     let text = qsTr(ev.content).arg(
         coloredNameHtml(ev.sender_name, ev.sender_id)