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Diffstat (limited to 'xbmc/AutoSwitch.cpp')
| -rw-r--r-- | xbmc/AutoSwitch.cpp | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/xbmc/AutoSwitch.cpp b/xbmc/AutoSwitch.cpp new file mode 100644 index 0000000..14adb8e --- /dev/null +++ b/xbmc/AutoSwitch.cpp @@ -0,0 +1,232 @@ +/* + * 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) > 0.25f) + 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 directories 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 > 0.25f); +} + +// 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; +} |