[gnome-documents] preview: search next when Enter is pressed in preview mode

[Cosimo Cecchi <cosimoc src gnome org>]

commit 294f3059629076a5c21af7c3da97826f55a7abe8
Author: Cosimo Cecchi <cosimo endlesm com>
Date:   Wed Dec 24 17:28:47 2014 +0800

    preview: search next when Enter is pressed in preview mode
    
    This makes it consistent with other applications.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=733191

 src/embed.js   |    9 ++++++---
 src/preview.js |    4 ++++
 src/view.js    |    8 +++++++-
 3 files changed, 17 insertions(+), 4 deletions(-)
---
diff --git a/src/embed.js b/src/embed.js
index a1b37a8..b14b64c 100644
--- a/src/embed.js
+++ b/src/embed.js
@@ -284,9 +284,12 @@ const Embed = new Lang.Class({
     },
 
     _onActivateResult: function() {
-        let doc = this._view.getFirstDocument();
-        if (doc)
-            Application.documentManager.setActiveItem(doc)
+        let windowMode = Application.modeController.getWindowMode();
+
+        if (windowMode == WindowMode.WindowMode.OVERVIEW)
+            this._view.activateResult();
+        else if (windowMode == WindowMode.WindowMode.PREVIEW)
+            this._preview.activateResult();
     },
 
     _onQueryStatusChanged: function() {
diff --git a/src/preview.js b/src/preview.js
index fde4c95..cf21cf4 100644
--- a/src/preview.js
+++ b/src/preview.js
@@ -480,6 +480,10 @@ const PreviewView = new Lang.Class({
         this._syncControlsVisible();
     },
 
+    activateResult: function() {
+        this.view.find_next();
+    },
+
     startSearch: function(str) {
         if (!this._model)
             return;
diff --git a/src/view.js b/src/view.js
index 39c6c3e..40dbffe 100644
--- a/src/view.js
+++ b/src/view.js
@@ -175,7 +175,13 @@ const ViewContainer = new Lang.Class({
             this._addListRenderers();
     },
 
-    getFirstDocument: function() {
+    activateResult: function() {
+        let doc = this._getFirstDocument();
+        if (doc)
+            Application.documentManager.setActiveItem(doc)
+    },
+
+    _getFirstDocument: function() {
         let doc = null;
 
         let iter = this._model.model.get_iter_first()[1];