Implement libdeltachat API for HTML view

HTML API:
- Context::getMessageHtml()
- DcMessage::getSubject()
- DcMessage::hasHtml()

Also implemented:
- DcMessage::getFilemime()
- DcMessage::getShowPadlock()
- DcMessage::getError()

1 files changed, 1 insertions, 0 deletions

diff --git a/context.h b/context.h
index aaeb76d..df3fbfb 100644
--- a/context.h
+++ b/context.h
@@ -44,6 +44,7 @@ public:
     Q_INVOKABLE QString getConfig(QString key);
     Q_INVOKABLE bool setChatMuteDuration(uint32_t chatId, int64_t duration);
     Q_INVOKABLE QString getMessageInfo(uint32_t msgId);
+    Q_INVOKABLE QString getMessageHtml(uint32_t msgId);
     Q_INVOKABLE uint32_t decideOnContactRequest(uint32_t msgId, int decision);
 
 private: