/xbmc/AutoSwitch.cpp
http://github.com/xbmc/xbmc · C++ · 232 lines · 174 code · 29 blank · 29 comment · 32 complexity · 7bbae78e7f33cdc0bf31738982af6edb MD5 · raw file
- /*
- * 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 "AutoSwitch.h"
- #include "FileItem.h"
- #include "ServiceBroker.h"
- #include "guilib/GUIComponent.h"
- #include "guilib/GUIWindowManager.h"
- #include "guilib/WindowIDs.h"
- #include "settings/Settings.h"
- #include "settings/SettingsComponent.h"
- #include "view/ViewState.h"
- #define METHOD_BYFOLDERS 0
- #define METHOD_BYFILES 1
- #define METHOD_BYTHUMBPERCENT 2
- #define METHOD_BYFILECOUNT 3
- #define METHOD_BYFOLDERTHUMBS 4
- CAutoSwitch::CAutoSwitch(void) = default;
- CAutoSwitch::~CAutoSwitch(void) = default;
- /// \brief Generic function to add a layer of transparency to the calling window
- /// \param vecItems Vector of FileItems passed from the calling window
- int CAutoSwitch::GetView(const CFileItemList &vecItems)
- {
- int iSortMethod = -1;
- int iPercent = 0;
- int iCurrentWindow = CServiceBroker::GetGUI()->GetWindowManager().GetActiveWindow();
- bool bHideParentFolderItems = !CServiceBroker::GetSettingsComponent()->GetSettings()->GetBool(CSettings::SETTING_FILELISTS_SHOWPARENTDIRITEMS);
- switch (iCurrentWindow)
- {
- case WINDOW_PICTURES:
- {
- iSortMethod = METHOD_BYFILECOUNT;
- }
- break;
- case WINDOW_PROGRAMS:
- {
- iSortMethod = METHOD_BYTHUMBPERCENT;
- iPercent = 50; // 50% of thumbs -> use thumbs.
- }
- break;
- default:
- {
- if(MetadataPercentage(vecItems) > 0.25)
- return DEFAULT_VIEW_INFO;
- else
- return DEFAULT_VIEW_LIST;
- }
- break;
- }
- bool bThumbs = false;
- switch (iSortMethod)
- {
- case METHOD_BYFOLDERS:
- bThumbs = ByFolders(vecItems);
- break;
- case METHOD_BYFILES:
- bThumbs = ByFiles(bHideParentFolderItems, vecItems);
- break;
- case METHOD_BYTHUMBPERCENT:
- bThumbs = ByThumbPercent(bHideParentFolderItems, iPercent, vecItems);
- break;
- case METHOD_BYFILECOUNT:
- bThumbs = ByFileCount(vecItems);
- break;
- case METHOD_BYFOLDERTHUMBS:
- bThumbs = ByFolderThumbPercentage(bHideParentFolderItems, iPercent, vecItems);
- break;
- }
- // the GUIViewControl object will default down to small icons if a big icon
- // view is not available.
- return bThumbs ? DEFAULT_VIEW_BIG_ICONS : DEFAULT_VIEW_LIST;
- }
- /// \brief Auto Switch method based on the current directory \e containing ALL folders and \e atleast one non-default thumb
- /// \param vecItems Vector of FileItems
- bool CAutoSwitch::ByFolders(const CFileItemList& vecItems)
- {
- bool bThumbs = false;
- // is the list all folders?
- if (vecItems.GetFolderCount() == vecItems.Size())
- {
- // test for thumbs
- for (int i = 0; i < vecItems.Size(); i++)
- {
- const CFileItemPtr pItem = vecItems[i];
- if (pItem->HasArt("thumb"))
- {
- bThumbs = true;
- break;
- }
- }
- }
- return bThumbs;
- }
- /// \brief Auto Switch method based on the current directory \e not containing ALL files and \e atleast one non-default thumb
- /// \param bHideParentDirItems - are we not counting the ".." item?
- /// \param vecItems Vector of FileItems
- bool CAutoSwitch::ByFiles(bool bHideParentDirItems, const CFileItemList& vecItems)
- {
- bool bThumbs = false;
- int iCompare = 0;
- // parent directorys are visible, increment
- if (!bHideParentDirItems)
- {
- iCompare = 1;
- }
- // confirm the list is not just files and folderback
- if (vecItems.GetFolderCount() > iCompare)
- {
- // test for thumbs
- for (int i = 0; i < vecItems.Size(); i++)
- {
- const CFileItemPtr pItem = vecItems[i];
- if (pItem->HasArt("thumb"))
- {
- bThumbs = true;
- break;
- }
- }
- }
- return bThumbs;
- }
- /// \brief Auto Switch method based on the percentage of non-default thumbs \e in the current directory
- /// \param iPercent Percent of non-default thumbs to autoswitch on
- /// \param vecItems Vector of FileItems
- bool CAutoSwitch::ByThumbPercent(bool bHideParentDirItems, int iPercent, const CFileItemList& vecItems)
- {
- bool bThumbs = false;
- int iNumThumbs = 0;
- int iNumItems = vecItems.Size();
- if (!bHideParentDirItems)
- {
- iNumItems--;
- }
- if (iNumItems <= 0) return false;
- for (int i = 0; i < vecItems.Size(); i++)
- {
- const CFileItemPtr pItem = vecItems[i];
- if (pItem->HasArt("thumb"))
- {
- iNumThumbs++;
- float fTempPercent = ( (float)iNumThumbs / (float)iNumItems ) * (float)100;
- if (fTempPercent >= (float)iPercent)
- {
- bThumbs = true;
- break;
- }
- }
- }
- return bThumbs;
- }
- /// \brief Auto Switch method based on whether there is more than 25% files.
- /// \param iPercent Percent of non-default thumbs to autoswitch on
- bool CAutoSwitch::ByFileCount(const CFileItemList& vecItems)
- {
- if (vecItems.Size() == 0) return false;
- float fPercent = (float)vecItems.GetFileCount() / vecItems.Size();
- return (fPercent > 0.25);
- }
- // returns true if:
- // 1. Have more than 75% folders and
- // 2. Have more than percent folders with thumbs
- bool CAutoSwitch::ByFolderThumbPercentage(bool hideParentDirItems, int percent, const CFileItemList &vecItems)
- {
- int numItems = vecItems.Size();
- if (!hideParentDirItems)
- numItems--;
- if (numItems <= 0) return false;
- int fileCount = vecItems.GetFileCount();
- if (fileCount > 0.25f * numItems) return false;
- int numThumbs = 0;
- for (int i = 0; i < vecItems.Size(); i++)
- {
- const CFileItemPtr item = vecItems[i];
- if (item->m_bIsFolder && item->HasArt("thumb"))
- {
- numThumbs++;
- if (numThumbs >= 0.01f * percent * (numItems - fileCount))
- return true;
- }
- }
- return false;
- }
- float CAutoSwitch::MetadataPercentage(const CFileItemList &vecItems)
- {
- int count = 0;
- int total = vecItems.Size();
- for (int i = 0; i < vecItems.Size(); i++)
- {
- const CFileItemPtr item = vecItems[i];
- if(item->HasMusicInfoTag()
- || item->HasVideoInfoTag()
- || item->HasPictureInfoTag()
- || item->HasProperty("Addon.ID"))
- count++;
- if(item->IsParentFolder())
- total--;
- }
- return (total != 0) ? ((float)count / total) : 0.0f;
- }