diff options
-rw-r--r-- | src/plugins/platforms/android/qandroidassetsfileenginehandler.cpp | 70 |
1 files changed, 56 insertions, 14 deletions
diff --git a/src/plugins/platforms/android/qandroidassetsfileenginehandler.cpp b/src/plugins/platforms/android/qandroidassetsfileenginehandler.cpp index 26e72a480f..3d16f96450 100644 --- a/src/plugins/platforms/android/qandroidassetsfileenginehandler.cpp +++ b/src/plugins/platforms/android/qandroidassetsfileenginehandler.cpp @@ -72,9 +72,10 @@ static inline QString prefixedPath(QString path) struct AssetItem { enum class Type { File, - Folder + Folder, + Invalid }; - + AssetItem() = default; AssetItem (const QString &rawName) : name(rawName) { @@ -92,21 +93,47 @@ using AssetItemList = QVector<AssetItem>; class FolderIterator : public AssetItemList { public: - static QSharedPointer<FolderIterator> fromCache(const QString &path) + static QSharedPointer<FolderIterator> fromCache(const QString &path, bool clone) { QMutexLocker lock(&m_assetsCacheMutex); QSharedPointer<FolderIterator> *folder = m_assetsCache.object(path); if (!folder) { folder = new QSharedPointer<FolderIterator>{new FolderIterator{path}}; - if (!m_assetsCache.insert(path, folder)) { + if ((*folder)->empty() || !m_assetsCache.insert(path, folder)) { QSharedPointer<FolderIterator> res = *folder; delete folder; return res; } } - return *folder; + return clone ? QSharedPointer<FolderIterator>{new FolderIterator{*(*folder)}} : *folder; + } + + static AssetItem::Type fileType(const QString &filePath) + { + const QStringList paths = filePath.split(QLatin1Char('/')); + QString fullPath; + AssetItem::Type res = AssetItem::Type::Invalid; + for (const auto &path: paths) { + auto folder = fromCache(fullPath, false); + auto it = std::lower_bound(folder->begin(), folder->end(), AssetItem{path}, [](const AssetItem &val, const AssetItem &assetItem) { + return val.name < assetItem.name; + }); + if (it == folder->end() || it->name != path) + return AssetItem::Type::Invalid; + if (!fullPath.isEmpty()) + fullPath.append(QLatin1Char('/')); + fullPath += path; + res = it->type; + } + return res; } + FolderIterator(const FolderIterator &other) + : AssetItemList(other) + , m_index(-1) + , m_path(other.m_path) + {} + FolderIterator(const QString &path) : m_path(path) { @@ -118,8 +145,12 @@ public: QJNIEnvironmentPrivate env; jobjectArray jFiles = static_cast<jobjectArray>(files.object()); const jint nFiles = env->GetArrayLength(jFiles); - for (int i = 0; i < nFiles; ++i) - push_back({QJNIObjectPrivate(env->GetObjectArrayElement(jFiles, i)).toString()}); + for (int i = 0; i < nFiles; ++i) { + AssetItem item{QJNIObjectPrivate(env->GetObjectArrayElement(jFiles, i)).toString()}; + insert(std::upper_bound(begin(), end(), item, [](const auto &a, const auto &b){ + return a.name < b.name; + }), item); + } } m_path = assetsPrefix + QLatin1Char('/') + m_path + QLatin1Char('/'); m_path.replace(QLatin1String("//"), QLatin1String("/")); @@ -169,7 +200,7 @@ public: const QString &path) : QAbstractFileEngineIterator(filters, nameFilters) { - m_stack.push_back(FolderIterator::fromCache(cleanedAssetPath(path))); + m_stack.push_back(FolderIterator::fromCache(cleanedAssetPath(path), true)); if (m_stack.last()->empty()) m_stack.pop_back(); } @@ -215,7 +246,7 @@ public: if (!res) return {}; if (res->second.type == AssetItem::Type::Folder) { - m_stack.push_back(FolderIterator::fromCache(cleanedAssetPath(currentFilePath()))); + m_stack.push_back(FolderIterator::fromCache(cleanedAssetPath(currentFilePath()), true)); if (m_stack.last()->empty()) m_stack.pop_back(); } @@ -305,12 +336,12 @@ public: FileFlags fileFlags(FileFlags type = FileInfoAll) const override { - FileFlags flags(ReadOwnerPerm|ReadUserPerm|ReadGroupPerm|ReadOtherPerm|ExistsFlag); + FileFlags commonFlags(ReadOwnerPerm|ReadUserPerm|ReadGroupPerm|ReadOtherPerm|ExistsFlag); + FileFlags flags; if (m_assetFile) - flags |= FileType; + flags = FileType | commonFlags; else if (m_isFolder) - flags |= DirectoryType; - + flags = DirectoryType | commonFlags; return type & flags; } @@ -341,9 +372,20 @@ public: void setFileName(const QString &file) override { + if (m_fileName == cleanedAssetPath(file)) + return; close(); m_fileName = cleanedAssetPath(file); - m_isFolder = !open(QIODevice::ReadOnly) && !FolderIterator::fromCache(m_fileName)->empty(); + switch (FolderIterator::fileType(m_fileName)) { + case AssetItem::Type::File: + open(QIODevice::ReadOnly); + break; + case AssetItem::Type::Folder: + m_isFolder = true; + break; + case AssetItem::Type::Invalid: + break; + } } Iterator *beginEntryList(QDir::Filters filters, const QStringList &filterNames) override |