tdf#103641: WOPI: Implement Action_Save, Action_Print, Action_Export

WOPI hosts can now send above mentioned messages to loleaflet so
that loleaflet does stuff accordingly.

Change-Id: I50e10a62c5b629bd12f7d9ce51bcd13cb13cdd8a

2 files changed, 80 insertions, 1 deletions

diff --git a/loleaflet/reference.html b/loleaflet/reference.html
index a07378f91..11ccb80d5 100644
--- a/loleaflet/reference.html
+++ b/loleaflet/reference.html
@@ -71,6 +71,7 @@
 		<ul>
 		        <li><a href="#loleaflet-postmessage-initialization">Initialization</a></li>
 			<li><a href="#loleaflet-postmessage-sessions">Session Management</a></li>
+			<li><a href="#loleaflet-postmessage-actions">Actions</a></li>
 		</ul>
 		<h4>UI Layers</h4>
 		<ul>
@@ -2754,7 +2755,7 @@ The <code>id</code> property of ErrorEvent can have the following values:
 SendTime is the timestamp returned by browsers' Date.now()
 
 <h3 id="loleaflet-postmessage-initialization">Initialization</h3>
-
+Editor to WOPI host
 <table data-id='postmessage-initialization'>
 	<tr>
 		<th>MessageId</th>
@@ -2774,7 +2775,24 @@ SendTime is the timestamp returned by browsers' Date.now()
 </table>
 
 <h3 id="loleaflet-postmessage-sessions">Session Management</h3>
+WOPI Host to Editor
+<table data-id='postmessage-sessions'>
+	<tr>
+		<th>MessageId</th>
+		<th>Values</th>
+		<th>Description</th>
+	</tr>
+	<tr>
+		<td><code><b>Get_Views</b></code></td>
+		<td><code>
+		</code></td>
+		<td>
+		Queries the editor for currently active views of the document. Response is returned in form of <code>Get_Views_Resp</code>
+		</td>
+	</tr>
+</table>
 
+Editor to WOPI Host
 <table data-id='postmessage-sessions'>
 	<tr>
 		<th>MessageId</th>
@@ -2816,6 +2834,49 @@ SendTime is the timestamp returned by browsers' Date.now()
 	</tr>
 </table>
 
+<h3 id="loleaflet-postmessage-actions">Actions</h3>
+WOPI host to editor
+<table data-id='postmessage-actions'>
+	<tr>
+		<th>MessageId</th>
+		<th>Values</th>
+		<th>Description</th>
+	</tr>
+	<tr>
+		<td><code><b>Action_Save</b></code></td>
+		<td><code>
+		    <nobr>DontTerminateEdit: &lt;boolean&gt;</nobr>
+		    <nobr>DontSaveIfUnmodified: &lt;boolean&gt;</nobr>
+		</code></td>
+		<td>Saves the document. DontTerminateEdit is relevant for spreadsheets where saving
+		a document can terminate the edit mode (text cursor dissappearing). Setting this to
+		true won't terminate the edit mode and can be used to save document without disrupting
+		user's editing session in spreadsheets.
+		DontSaveIfUnmodified prevents loolwsd to save the file back to storage if document is
+		unmodified (only cursor position changed etc.) but still saved. This can be helpful
+		to prevent creating unnecessary file revisions.
+		</td>
+	</tr>
+	<tr>
+		<td><code><b>Action_Print</b></code></td>
+		<td><code>
+		</code></td>
+		<td>
+		Prints the document.
+		</td>
+	</tr>
+	<tr>
+		<td><code><b>Action_Export</b></code></td>
+		<td><code>
+		    <nobr>Format: &lt;String&gt;</nobr>
+		</code></td>
+		<td>
+		Downloads the document in format specified by <code>Format</code>.
+		</td>
+	</tr>
+</table>
+
+
 <h2 id="marker">Marker</h2>
 
 <p>Used to put markers on the map. Extends <a href="#layer">Layer</a>.</p>
diff --git a/loleaflet/src/map/handler/Map.WOPI.js b/loleaflet/src/map/handler/Map.WOPI.js
index a8f061e1b..f144509e5 100644
--- a/loleaflet/src/map/handler/Map.WOPI.js
+++ b/loleaflet/src/map/handler/Map.WOPI.js
@@ -2,6 +2,7 @@
  * L.WOPI contains WOPI related logic
  */
 
+/* global title */
 L.Map.WOPI = L.Handler.extend({
 
 	PostMessageOrigin: false,
@@ -46,6 +47,23 @@ L.Map.WOPI = L.Handler.extend({
 		else if (msg.MessageId === 'Close_Session') {
 			this._map._socket.sendMessage('closedocument');
 		}
+		else if (msg.MessageId === 'Action_Save') {
+			var dontTerminateEdit = e.Values && e.Values['DontTerminateEdit'];
+			var dontSaveIfUnmodified = e.Values && e.Values['DontSaveIfUnmodified'];
+
+			this._map.save(dontTerminateEdit, dontSaveIfUnmodified);
+		}
+		else if (msg.MessageId === 'Action_Print') {
+			this._map.print();
+		}
+		else if (msg.MessageId === 'Action_Export') {
+			if (msg.Values) {
+				var format = msg.Values.Format;
+				var filename = title.substr(0, title.lastIndexOf('.')) || title;
+				filename = filename === '' ? 'document' : filename;
+				this._map.downloadAs(filename + '.' + format, format);
+			}
+		}
 	},
 
 	_postMessage: function(e) {