Initial commit

backends/fs/android/android-fs-factory.cpp

@@ -0,0 +1,131 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "backends/platform/android/jni-android.h"
+
+#include "backends/fs/android/android-fs-factory.h"
+#include "backends/fs/android/android-posix-fs.h"
+#include "backends/fs/android/android-saf-fs.h"
+
+namespace Common {
+DECLARE_SINGLETON(AndroidFilesystemFactory);
+}
+
+AndroidFilesystemFactory::AndroidFilesystemFactory() : _withSAF(false), _config(this) {
+}
+
+void AndroidFilesystemFactory::initSAF() {
+	_withSAF = true;
+	AndroidSAFFilesystemNode::initJNI();
+}
+
+AbstractFSNode *AndroidFilesystemFactory::makeRootFileNode() const {
+	return new AndroidPOSIXFilesystemNode(_config);
+}
+
+AbstractFSNode *AndroidFilesystemFactory::makeCurrentDirectoryFileNode() const {
+	// As current working directory can point outside of our data don't take any risk
+	return makeRootFileNode();
+}
+
+AbstractFSNode *AndroidFilesystemFactory::makeFileNodePath(const Common::String &path) const {
+	if (path.empty() || path.equals("/")) {
+		return makeRootFileNode();
+	}
+
+	// If SAF works, it was a SAF URL
+	if (_withSAF) {
+		// Accept /saf as it can be used to create the tree in DumpFile
+		if (path == AddSAFFakeNode::SAF_ADD_FAKE_PATH) {
+			// Not a SAF mount point
+			return new AddSAFFakeNode(true);
+		}
+
+		AbstractFSNode *node = AndroidSAFFilesystemNode::makeFromPath(path);
+		if (node) {
+			return node;
+		}
+	}
+
+	return new AndroidPOSIXFilesystemNode(path, _config);
+}
+
+AndroidFilesystemFactory::Config::Config(const AndroidFilesystemFactory *factory) : _factory(factory),
+	_storages(JNI::getAllStorageLocations()) {
+}
+
+void AndroidFilesystemFactory::getSAFTrees(AbstractFSList &list, bool allowSAFadd) const {
+	if (!_withSAF) {
+		// Nothing if no SAF
+		return;
+	}
+
+	Common::Array<jobject> trees = JNI::getSAFTrees();
+
+	list.reserve(trees.size() + (allowSAFadd ? 1 : 0));
+
+	for (Common::Array<jobject>::iterator it = trees.begin(); it != trees.end(); it++) {
+		AbstractFSNode *node = AndroidSAFFilesystemNode::makeFromTree(*it);
+		if (!node) {
+			continue;
+		}
+
+		list.push_back(node);
+	}
+
+	if (allowSAFadd) {
+		list.push_back(new AddSAFFakeNode(false));
+	}
+
+}
+
+bool AndroidFilesystemFactory::Config::getDrives(AbstractFSList &list, bool hidden) const {
+	// For SAF
+	_factory->getSAFTrees(list, true);
+
+	list.reserve(list.size() + _storages.size() / 2);
+
+	// For old POSIX way
+	for (Common::Array<Common::String>::const_iterator it = _storages.begin(); it != _storages.end(); ++it) {
+		const Common::String &driveName = *it;
+		++it;
+		const Common::String &drivePath = *it;
+
+		AndroidPOSIXFilesystemNode *node = new AndroidPOSIXFilesystemNode(drivePath, *this);
+		node->_displayName = driveName;
+
+		list.push_back(node);
+	}
+	return true;
+}
+
+bool AndroidFilesystemFactory::Config::isDrive(const Common::String &path) const {
+	// This function is called from DrivePOSIXFilesystemNode::isDrive
+	// DrivePOSIXFilesystemNode is only used for POSIX code so no need to look for SAF
+
+	for (Common::Array<Common::String>::const_iterator it = _storages.begin(); it != _storages.end(); it++) {
+		++it;
+		if (*it == path) {
+			return true;
+		}
+	}
+	return false;
+}