1 files changed, 132 insertions, 0 deletions
diff --git a/xbmc/dialogs/GUIDialogTextViewer.cpp b/xbmc/dialogs/GUIDialogTextViewer.cpp
new file mode 100644
index 0000000..363f102
--- /dev/null
+++ b/xbmc/dialogs/GUIDialogTextViewer.cpp
@@ -0,0 +1,132 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "GUIDialogTextViewer.h"
+
+#include "GUIUserMessages.h"
+#include "ServiceBroker.h"
+#include "filesystem/File.h"
+#include "guilib/GUIComponent.h"
+#include "guilib/GUIWindowManager.h"
+#include "input/actions/Action.h"
+#include "input/actions/ActionIDs.h"
+#include "utils/URIUtils.h"
+#include "utils/log.h"
+
+using namespace XFILE;
+
+#define CONTROL_HEADING  1
+#define CONTROL_TEXTAREA 5
+
+CGUIDialogTextViewer::CGUIDialogTextViewer(void)
+    : CGUIDialog(WINDOW_DIALOG_TEXT_VIEWER, "DialogTextViewer.xml")
+{
+  m_loadType = KEEP_IN_MEMORY;
+}
+
+CGUIDialogTextViewer::~CGUIDialogTextViewer(void) = default;
+
+bool CGUIDialogTextViewer::OnAction(const CAction &action)
+{
+  if (action.GetID() == ACTION_TOGGLE_FONT)
+  {
+    UseMonoFont(!m_mono);
+    return true;
+  }
+
+  return CGUIDialog::OnAction(action);
+}
+
+bool CGUIDialogTextViewer::OnMessage(CGUIMessage& message)
+{
+  switch ( message.GetMessage() )
+  {
+  case GUI_MSG_WINDOW_INIT:
+    {
+      CGUIDialog::OnMessage(message);
+      SetHeading();
+      SetText();
+      UseMonoFont(m_mono);
+      return true;
+    }
+    break;
+  case GUI_MSG_NOTIFY_ALL:
+    {
+      if (message.GetParam1() == GUI_MSG_UPDATE)
+      {
+        SetText();
+        SetHeading();
+        return true;
+      }
+    }
+    break;
+  default:
+    break;
+  }
+  return CGUIDialog::OnMessage(message);
+}
+
+void CGUIDialogTextViewer::SetText()
+{
+  CGUIMessage msg(GUI_MSG_LABEL_SET, GetID(), CONTROL_TEXTAREA);
+  msg.SetLabel(m_strText);
+  OnMessage(msg);
+}
+
+void CGUIDialogTextViewer::SetHeading()
+{
+  CGUIMessage msg(GUI_MSG_LABEL_SET, GetID(), CONTROL_HEADING);
+  msg.SetLabel(m_strHeading);
+  OnMessage(msg);
+}
+
+void CGUIDialogTextViewer::UseMonoFont(bool use)
+{
+  m_mono = use;
+  CGUIMessage msg(GUI_MSG_SET_TYPE, GetID(), CONTROL_TEXTAREA, use ? 1 : 0);
+  OnMessage(msg);
+}
+
+void CGUIDialogTextViewer::OnDeinitWindow(int nextWindowID)
+{
+  CGUIDialog::OnDeinitWindow(nextWindowID);
+
+  // reset text area
+  CGUIMessage msgReset(GUI_MSG_LABEL_RESET, GetID(), CONTROL_TEXTAREA);
+  OnMessage(msgReset);
+
+  // reset heading
+  SET_CONTROL_LABEL(CONTROL_HEADING, "");
+}
+
+void CGUIDialogTextViewer::ShowForFile(const std::string& path, bool useMonoFont)
+{
+  CFile file;
+  if (file.Open(path))
+  {
+    std::string data;
+    try
+    {
+      data.resize(file.GetLength()+1);
+      file.Read(&data[0], file.GetLength());
+      CGUIDialogTextViewer* pDialog = CServiceBroker::GetGUI()->GetWindowManager().GetWindow<CGUIDialogTextViewer>(WINDOW_DIALOG_TEXT_VIEWER);
+      pDialog->SetHeading(URIUtils::GetFileName(path));
+      pDialog->SetText(data);
+      pDialog->UseMonoFont(useMonoFont);
+      pDialog->Open();
+    }
+    catch(const std::bad_alloc&)
+    {
+      CLog::Log(LOGERROR, "Not enough memory to load text file {}", path);
+    }
+    catch(...)
+    {
+      CLog::Log(LOGERROR, "Exception while trying to view text file {}", path);
+    }
+  }
+}