Implement libdeltachat API for HTML view

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

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

4 files changed, 56 insertions, 2 deletions

diff --git a/context.cpp b/context.cpp
index 89a7937..e7742f6 100644
--- a/context.cpp
+++ b/context.cpp
@@ -173,6 +173,15 @@ Context::getMessageInfo(uint32_t msgId)
     return result;
 }
 
+QString
+Context::getMessageHtml(uint32_t msgId)
+{
+    char *html = dc_get_msg_html(m_context, msgId);
+    QString result{html};
+    dc_str_unref(html);
+    return result;
+}
+
 uint32_t
 Context::sendTextMessage(uint32_t chatId, QString textToSend)
 {
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:
diff --git a/message.cpp b/message.cpp
index ff4bab9..cf29dae 100644
--- a/message.cpp
+++ b/message.cpp
@@ -56,6 +56,15 @@ DcMessage::getText()
 }
 
 QString
+DcMessage::getSubject()
+{
+    char *subject = dc_msg_get_subject(m_message);
+    QString result{subject};
+    dc_str_unref(subject);
+    return result;
+}
+
+QString
 DcMessage::getFile()
 {
     char *file = dc_msg_get_file(m_message);
@@ -73,6 +82,15 @@ DcMessage::getFilename()
     return result;
 }
 
+QString
+DcMessage::getFilemime()
+{
+    char *filemime = dc_msg_get_filemime(m_message);
+    QString result{filemime};
+    dc_str_unref(filemime);
+    return result;
+}
+
 int
 DcMessage::getWidth()
 {
@@ -85,6 +103,12 @@ DcMessage::getHeight()
     return dc_msg_get_height(m_message);
 }
 
+bool
+DcMessage::getShowPadlock()
+{
+    return dc_msg_get_showpadlock(m_message);
+}
+
 QString
 DcMessage::getOverrideSenderName()
 {
@@ -101,6 +125,21 @@ DcMessage::isInfo()
 }
 
 QString
+DcMessage::getError()
+{
+    char *error = dc_msg_get_error(m_message);
+    QString result{error};
+    dc_str_unref(error);
+    return result;
+}
+
+bool
+DcMessage::hasHtml()
+{
+    return dc_msg_has_html(m_message);
+}
+
+QString
 DcMessage::getQuotedText()
 {
     char *text = dc_msg_get_quoted_text(m_message);
diff --git a/message.h b/message.h
index d9f4253..8f7ec9c 100644
--- a/message.h
+++ b/message.h
@@ -12,6 +12,7 @@ class DcMessage : public QObject {
     Q_PROPERTY(int viewtype READ getViewtype CONSTANT)
     Q_PROPERTY(int state READ getState CONSTANT)
     Q_PROPERTY(QString text READ getText CONSTANT)
+    Q_PROPERTY(QString subject READ getSubject CONSTANT)
     Q_PROPERTY(QString file READ getFile CONSTANT)
     Q_PROPERTY(QString filename READ getFilename CONSTANT)
     Q_PROPERTY(int width READ getWidth CONSTANT)
@@ -19,6 +20,7 @@ class DcMessage : public QObject {
     Q_PROPERTY(bool isInfo READ isInfo CONSTANT)
     Q_PROPERTY(QString quotedText READ getQuotedText CONSTANT)
     Q_PROPERTY(DcMessage *quotedMessage READ getQuotedMessage CONSTANT)
+    Q_PROPERTY(bool hasHtml READ hasHtml CONSTANT)
 
     dc_msg_t *m_message{nullptr};
 public:
@@ -35,14 +37,15 @@ public:
     //Q_INVOKABLE int64_t getReceivedTimestamp();
     //Q_INVOKABLE int64_t getSortTimestamp();
     Q_INVOKABLE QString getText();
+    Q_INVOKABLE QString getSubject();
     QString getFile();
     QString getFilename();
-    //QString getFilemime();
+    QString getFilemime();
     //uint64_t getFilebytes();
     int getWidth();
     int getHeight();
     //int getDuration();
-    //bool showPadlock();
+    bool getShowPadlock();
     //uint32_t getEphemeralTimer();
     //int64_t getEphemeralTimestamp();
     //... getsummary ...
@@ -53,6 +56,8 @@ public:
     //isStarred
     //isForwarded
     bool isInfo();
+    Q_INVOKABLE QString getError();
+    bool hasHtml();
     //isIncreation
     //isSetupmessage
     Q_INVOKABLE QString getQuotedText();