1 files changed, 155 insertions, 0 deletions
diff --git a/xbmc/dialogs/GUIDialogExtendedProgressBar.cpp b/xbmc/dialogs/GUIDialogExtendedProgressBar.cpp
new file mode 100644
index 0000000..9fc1c02
--- /dev/null
+++ b/xbmc/dialogs/GUIDialogExtendedProgressBar.cpp
@@ -0,0 +1,155 @@
+/*
+ *  Copyright (C) 2012-2018 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 "GUIDialogExtendedProgressBar.h"
+
+#include "guilib/GUIMessage.h"
+#include "guilib/GUIProgressControl.h"
+#include "utils/TimeUtils.h"
+
+#include <cmath>
+#include <mutex>
+
+#define CONTROL_LABELHEADER       30
+#define CONTROL_LABELTITLE        31
+#define CONTROL_PROGRESS          32
+
+#define ITEM_SWITCH_TIME_MS       2000
+
+std::string CGUIDialogProgressBarHandle::Text(void) const
+{
+  std::unique_lock<CCriticalSection> lock(m_critSection);
+  std::string retVal(m_strText);
+  return retVal;
+}
+
+void CGUIDialogProgressBarHandle::SetText(const std::string &strText)
+{
+  std::unique_lock<CCriticalSection> lock(m_critSection);
+  m_strText = strText;
+}
+
+void CGUIDialogProgressBarHandle::SetTitle(const std::string &strTitle)
+{
+  std::unique_lock<CCriticalSection> lock(m_critSection);
+  m_strTitle = strTitle;
+}
+
+void CGUIDialogProgressBarHandle::SetProgress(int currentItem, int itemCount)
+{
+  float fPercentage = (currentItem*100.0f)/itemCount;
+  if (!std::isnan(fPercentage))
+    m_fPercentage = std::min(100.0f, fPercentage);
+}
+
+CGUIDialogExtendedProgressBar::CGUIDialogExtendedProgressBar(void)
+  : CGUIDialog(WINDOW_DIALOG_EXT_PROGRESS, "DialogExtendedProgressBar.xml", DialogModalityType::MODELESS)
+{
+  m_loadType        = LOAD_ON_GUI_INIT;
+  m_iLastSwitchTime = 0;
+  m_iCurrentItem    = 0;
+}
+
+CGUIDialogProgressBarHandle *CGUIDialogExtendedProgressBar::GetHandle(const std::string &strTitle)
+{
+  CGUIDialogProgressBarHandle *handle = new CGUIDialogProgressBarHandle(strTitle);
+  {
+    std::unique_lock<CCriticalSection> lock(m_critSection);
+    m_handles.push_back(handle);
+  }
+
+  Open();
+
+  return handle;
+}
+
+bool CGUIDialogExtendedProgressBar::OnMessage(CGUIMessage& message)
+{
+  switch (message.GetMessage())
+  {
+  case GUI_MSG_WINDOW_INIT:
+    {
+      m_iLastSwitchTime = CTimeUtils::GetFrameTime();
+      m_iCurrentItem = 0;
+      CGUIDialog::OnMessage(message);
+
+      UpdateState(0);
+      return true;
+    }
+    break;
+  }
+
+  return CGUIDialog::OnMessage(message);
+}
+
+void CGUIDialogExtendedProgressBar::Process(unsigned int currentTime, CDirtyRegionList &dirtyregions)
+{
+  if (m_active)
+    UpdateState(currentTime);
+
+  CGUIDialog::Process(currentTime, dirtyregions);
+}
+
+void CGUIDialogExtendedProgressBar::UpdateState(unsigned int currentTime)
+{
+  std::string strHeader;
+  std::string strTitle;
+  float  fProgress(-1.0f);
+
+  {
+    std::unique_lock<CCriticalSection> lock(m_critSection);
+
+    // delete finished items
+    for (int iPtr = m_handles.size() - 1; iPtr >= 0; iPtr--)
+    {
+      if (m_handles.at(iPtr)->IsFinished())
+      {
+        delete m_handles.at(iPtr);
+        m_handles.erase(m_handles.begin() + iPtr);
+      }
+    }
+
+    if (!m_handles.size())
+    {
+      Close(false, 0, true, false);
+      return;
+    }
+
+    // ensure the current item is in our range
+    if (m_iCurrentItem >= m_handles.size())
+      m_iCurrentItem = m_handles.size() - 1;
+
+    // update the current item ptr
+    if (currentTime > m_iLastSwitchTime &&
+        currentTime - m_iLastSwitchTime >= ITEM_SWITCH_TIME_MS)
+    {
+      m_iLastSwitchTime = currentTime;
+
+      // select next item
+      if (++m_iCurrentItem > m_handles.size() - 1)
+        m_iCurrentItem = 0;
+    }
+
+    CGUIDialogProgressBarHandle *handle = m_handles.at(m_iCurrentItem);
+    if (handle)
+    {
+      strTitle  = handle->Text();
+      strHeader = handle->Title();
+      fProgress = handle->Percentage();
+    }
+  }
+
+  SET_CONTROL_LABEL(CONTROL_LABELHEADER, strHeader);
+  SET_CONTROL_LABEL(CONTROL_LABELTITLE, strTitle);
+
+  if (fProgress > -1.0f)
+  {
+    SET_CONTROL_VISIBLE(CONTROL_PROGRESS);
+    CONTROL_SELECT_ITEM(CONTROL_PROGRESS, (unsigned int)fProgress);
+  }
+}