[InformationPanel] Hide the video when the preview is disabled, avoid computing the preview when it is disabled

Summary:
Bug symptom : {F6698879}

Fix the bugs and allow to avoid launching a PreviewJob with all files even when the preview is disabled.

Test Plan:
 # In dolphin with an information panel with preview on
 # launch the video preview
 # Disable the preview

  ->bug 1: the video player control is still visible (this bug fix this)

 # re-enable preview

 -> bug 2: the video stays visible and the preview is displayed above (this bug fix this)

Reviewers: #dolphin, elvisangelaccio, ngraham

Reviewed By: #dolphin, elvisangelaccio, ngraham

Subscribers: ngraham, kfm-devel

Tags: #dolphin

Differential Revision: https://phabricator.kde.org/D19844

1 files changed, 1 insertions, 1 deletions

diff --git a/src/panels/information/informationpanel.cpp b/src/panels/information/informationpanel.cpp
index a864cb005..cd8b6b38d 100644
--- a/src/panels/information/informationpanel.cpp
+++ b/src/panels/information/informationpanel.cpp
@@ -198,8 +198,8 @@ void InformationPanel::showContextMenu(const QPoint &pos) {
 
     const bool isChecked = action->isChecked();
     if (action == previewAction) {
-        m_content->setPreviewVisible(isChecked);
         InformationPanelSettings::setPreviewsShown(isChecked);
+        m_content->refreshPreview();
     } else if (action == configureAction) {
         FileMetaDataConfigurationDialog* dialog = new FileMetaDataConfigurationDialog(this);
         dialog->setDescription(i18nc("@label::textbox",