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/*
* 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 "PictureThumbLoader.h"
#include "FileItem.h"
#include "GUIUserMessages.h"
#include "Picture.h"
#include "ServiceBroker.h"
#include "TextureCache.h"
#include "URL.h"
#include "filesystem/Directory.h"
#include "filesystem/MultiPathDirectory.h"
#include "guilib/GUIComponent.h"
#include "guilib/GUIWindowManager.h"
#include "settings/AdvancedSettings.h"
#include "settings/Settings.h"
#include "settings/SettingsComponent.h"
#include "utils/FileExtensionProvider.h"
#include "utils/FileUtils.h"
#include "utils/URIUtils.h"
#include "video/VideoThumbLoader.h"
using namespace XFILE;
CPictureThumbLoader::CPictureThumbLoader() : CThumbLoader(), CJobQueue(true, 1, CJob::PRIORITY_LOW_PAUSABLE)
{
m_regenerateThumbs = false;
}
CPictureThumbLoader::~CPictureThumbLoader()
{
StopThread();
}
void CPictureThumbLoader::OnLoaderFinish()
{
m_regenerateThumbs = false;
CThumbLoader::OnLoaderFinish();
}
bool CPictureThumbLoader::LoadItem(CFileItem* pItem)
{
bool result = LoadItemCached(pItem);
result |= LoadItemLookup(pItem);
return result;
}
bool CPictureThumbLoader::LoadItemCached(CFileItem* pItem)
{
if (pItem->m_bIsShareOrDrive
|| pItem->IsParentFolder())
return false;
if (pItem->HasArt("thumb") && m_regenerateThumbs)
{
CServiceBroker::GetTextureCache()->ClearCachedImage(pItem->GetArt("thumb"));
if (m_textureDatabase->Open())
{
m_textureDatabase->ClearTextureForPath(pItem->GetPath(), "thumb");
m_textureDatabase->Close();
}
pItem->SetArt("thumb", "");
}
std::string thumb;
if (pItem->IsPicture() && !pItem->IsZIP() && !pItem->IsRAR() && !pItem->IsCBZ() && !pItem->IsCBR() && !pItem->IsPlayList())
{ // load the thumb from the image file
thumb = pItem->HasArt("thumb") ? pItem->GetArt("thumb") : CTextureUtils::GetWrappedThumbURL(pItem->GetPath());
}
else if (pItem->IsVideo() && !pItem->IsZIP() && !pItem->IsRAR() && !pItem->IsCBZ() && !pItem->IsCBR() && !pItem->IsPlayList())
{ // video
CVideoThumbLoader loader;
if (!loader.FillThumb(*pItem))
{
std::string thumbURL = CVideoThumbLoader::GetEmbeddedThumbURL(*pItem);
if (CServiceBroker::GetTextureCache()->HasCachedImage(thumbURL))
{
thumb = thumbURL;
}
else if (CServiceBroker::GetSettingsComponent()->GetSettings()->GetBool(CSettings::SETTING_MYVIDEOS_EXTRACTTHUMB) && CServiceBroker::GetSettingsComponent()->GetSettings()->GetBool(CSettings::SETTING_MYVIDEOS_EXTRACTFLAGS))
{
CFileItem item(*pItem);
CThumbExtractor* extract = new CThumbExtractor(item, pItem->GetPath(), true, thumbURL);
AddJob(extract);
thumb.clear();
}
}
}
else if (!pItem->HasArt("thumb"))
{ // folder, zip, cbz, rar, cbr, playlist may have a previously cached image
thumb = GetCachedImage(*pItem, "thumb");
}
if (!thumb.empty())
{
CServiceBroker::GetTextureCache()->BackgroundCacheImage(thumb);
pItem->SetArt("thumb", thumb);
}
pItem->FillInDefaultIcon();
return true;
}
bool CPictureThumbLoader::LoadItemLookup(CFileItem* pItem)
{
return false;
}
void CPictureThumbLoader::OnJobComplete(unsigned int jobID, bool success, CJob* job)
{
if (success)
{
CThumbExtractor* loader = static_cast<CThumbExtractor*>(job);
loader->m_item.SetPath(loader->m_listpath);
CFileItemPtr pItem(new CFileItem(loader->m_item));
CGUIMessage msg(GUI_MSG_NOTIFY_ALL, 0, 0, GUI_MSG_UPDATE_ITEM, 0, pItem);
CServiceBroker::GetGUI()->GetWindowManager().SendThreadMessage(msg);
}
CJobQueue::OnJobComplete(jobID, success, job);
}
void CPictureThumbLoader::ProcessFoldersAndArchives(CFileItem *pItem)
{
if (pItem->HasArt("thumb"))
return;
CTextureDatabase db;
db.Open();
if (pItem->IsCBR() || pItem->IsCBZ())
{
std::string strTBN(URIUtils::ReplaceExtension(pItem->GetPath(),".tbn"));
if (CFileUtils::Exists(strTBN))
{
db.SetTextureForPath(pItem->GetPath(), "thumb", strTBN);
CServiceBroker::GetTextureCache()->BackgroundCacheImage(strTBN);
pItem->SetArt("thumb", strTBN);
return;
}
}
if ((pItem->m_bIsFolder || pItem->IsCBR() || pItem->IsCBZ()) && !pItem->m_bIsShareOrDrive
&& !pItem->IsParentFolder() && !pItem->IsPath("add"))
{
// first check for a folder.jpg
std::string thumb = "folder.jpg";
CURL pathToUrl = pItem->GetURL();
if (pItem->IsCBR())
{
pathToUrl = URIUtils::CreateArchivePath("rar",pItem->GetURL(),"");
thumb = "cover.jpg";
}
if (pItem->IsCBZ())
{
pathToUrl = URIUtils::CreateArchivePath("zip",pItem->GetURL(),"");
thumb = "cover.jpg";
}
if (pItem->IsMultiPath())
pathToUrl = CURL(CMultiPathDirectory::GetFirstPath(pItem->GetPath()));
thumb = URIUtils::AddFileToFolder(pathToUrl.Get(), thumb);
if (CFileUtils::Exists(thumb))
{
db.SetTextureForPath(pItem->GetPath(), "thumb", thumb);
CServiceBroker::GetTextureCache()->BackgroundCacheImage(thumb);
pItem->SetArt("thumb", thumb);
return;
}
if (!pItem->IsPlugin())
{
// we load the directory, grab 4 random thumb files (if available) and then generate
// the thumb.
CFileItemList items;
CDirectory::GetDirectory(pathToUrl, items, CServiceBroker::GetFileExtensionProvider().GetPictureExtensions(), DIR_FLAG_NO_FILE_DIRS);
// create the folder thumb by choosing 4 random thumbs within the folder and putting
// them into one thumb.
// count the number of images
for (int i=0; i < items.Size();)
{
if (!items[i]->IsPicture() || items[i]->IsZIP() || items[i]->IsRAR() || items[i]->IsPlayList())
{
items.Remove(i);
}
else
i++;
}
if (items.IsEmpty())
{
if (pItem->IsCBZ() || pItem->IsCBR())
{
CDirectory::GetDirectory(pathToUrl, items, CServiceBroker::GetFileExtensionProvider().GetPictureExtensions(), DIR_FLAG_NO_FILE_DIRS);
for (int i=0;i<items.Size();++i)
{
CFileItemPtr item = items[i];
if (item->m_bIsFolder)
{
ProcessFoldersAndArchives(item.get());
pItem->SetArt("thumb", items[i]->GetArt("thumb"));
pItem->SetArt("icon", items[i]->GetArt("icon"));
return;
}
}
}
return; // no images in this folder
}
// randomize them
items.Randomize();
if (items.Size() < 4 || pItem->IsCBR() || pItem->IsCBZ())
{ // less than 4 items, so just grab the first thumb
items.Sort(SortByLabel, SortOrderAscending);
std::string thumb = CTextureUtils::GetWrappedThumbURL(items[0]->GetPath());
db.SetTextureForPath(pItem->GetPath(), "thumb", thumb);
CServiceBroker::GetTextureCache()->BackgroundCacheImage(thumb);
pItem->SetArt("thumb", thumb);
}
else
{
// ok, now we've got the files to get the thumbs from, lets create it...
// we basically load the 4 images and combine them
std::vector<std::string> files;
files.reserve(4);
for (int thumb = 0; thumb < 4; thumb++)
files.push_back(items[thumb]->GetPath());
std::string thumb = CTextureUtils::GetWrappedImageURL(pItem->GetPath(), "picturefolder");
std::string relativeCacheFile = CTextureCache::GetCacheFile(thumb) + ".png";
if (CPicture::CreateTiledThumb(files, CTextureCache::GetCachedPath(relativeCacheFile)))
{
CTextureDetails details;
details.file = relativeCacheFile;
details.width = CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_imageRes;
details.height = CServiceBroker::GetSettingsComponent()->GetAdvancedSettings()->m_imageRes;
CServiceBroker::GetTextureCache()->AddCachedTexture(thumb, details);
db.SetTextureForPath(pItem->GetPath(), "thumb", thumb);
pItem->SetArt("thumb", CTextureCache::GetCachedPath(relativeCacheFile));
}
}
}
// refill in the icon to get it to update
pItem->FillInDefaultIcon();
}
}
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