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Fixes for DocumentsProvider #1460

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Merged
merged 3 commits into from
Feb 9, 2020
Merged

Fixes for DocumentsProvider #1460

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6fac8fa
Fix #1424: Support ACTION_OPEN_DOCUMENT_TREE
x0b Feb 6, 2020
b223223
Fix #1350: Support createDocument(...)
x0b Feb 6, 2020
021e4fa
Fix deletable flags in DocumentProvider
x0b Feb 6, 2020
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35 changes: 32 additions & 3 deletions app/src/main/java/com/termux/filepicker/TermuxDocumentsProvider.java
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@ public Cursor queryRoots(String[] projection) throws FileNotFoundException {
row.add(Root.COLUMN_ROOT_ID, getDocIdForFile(BASE_DIR));
row.add(Root.COLUMN_DOCUMENT_ID, getDocIdForFile(BASE_DIR));
row.add(Root.COLUMN_SUMMARY, null);
row.add(Root.COLUMN_FLAGS, Root.FLAG_SUPPORTS_CREATE | Root.FLAG_SUPPORTS_SEARCH);
row.add(Root.COLUMN_FLAGS, Root.FLAG_SUPPORTS_CREATE | Root.FLAG_SUPPORTS_SEARCH | Root.FLAG_SUPPORTS_IS_CHILD);
row.add(Root.COLUMN_TITLE, applicationName);
row.add(Root.COLUMN_MIME_TYPES, ALL_MIME_TYPES);
row.add(Root.COLUMN_AVAILABLE_BYTES, BASE_DIR.getFreeSpace());
Expand Down Expand Up @@ -117,6 +117,29 @@ public boolean onCreate() {
return true;
}

@Override
public String createDocument(String parentDocumentId, String mimeType, String displayName) throws FileNotFoundException {
File newFile = new File(parentDocumentId, displayName);
int noConflictId = 2;
while (newFile.exists()) {
newFile = new File(parentDocumentId, displayName + " (" + noConflictId++ + ")");
}
try {
boolean succeeded;
if (Document.MIME_TYPE_DIR.equals(mimeType)) {
succeeded = newFile.mkdir();
} else {
succeeded = newFile.createNewFile();
}
if (!succeeded) {
throw new FileNotFoundException("Failed to create document with id " + newFile.getPath());
}
} catch (IOException e) {
throw new FileNotFoundException("Failed to create document with id " + newFile.getPath());
}
return newFile.getPath();
}

@Override
public void deleteDocument(String documentId) throws FileNotFoundException {
File file = getFileForDocId(documentId);
Expand Down Expand Up @@ -169,6 +192,11 @@ public Cursor querySearchDocuments(String rootId, String query, String[] project
return result;
}

@Override
public boolean isChildDocument(String parentDocumentId, String documentId) {
return documentId.startsWith(parentDocumentId);
}

/**
* Get the document id given a file. This document id must be consistent across time as other
* applications may save the ID and use it to reference documents later.
Expand Down Expand Up @@ -220,10 +248,11 @@ private void includeFile(MatrixCursor result, String docId, File file)

int flags = 0;
if (file.isDirectory()) {
if (file.isDirectory() && file.canWrite()) flags |= Document.FLAG_DIR_SUPPORTS_CREATE;
if (file.canWrite()) flags |= Document.FLAG_DIR_SUPPORTS_CREATE;
} else if (file.canWrite()) {
flags |= Document.FLAG_SUPPORTS_WRITE | Document.FLAG_SUPPORTS_DELETE;
flags |= Document.FLAG_SUPPORTS_WRITE;
}
if (file.getParentFile().canWrite()) flags |= Document.FLAG_SUPPORTS_DELETE;

final String displayName = file.getName();
final String mimeType = getMimeType(file);
Expand Down