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Commit 335dba5a authored by Vladislav Kaznacheev's avatar Vladislav Kaznacheev
Browse files

Add ClipData manipulation methods to DirectoryFragment. 

These will be used in drag&drop and copy/paste implementations.

Bug:20556237
Change-Id: I5a48cd5671bb74d233569ff9732b310cc2036f27
parent d5811f3d

packages/DocumentsUI/src/com/android/documentsui/DirectoryFragment.java

+74 −10
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ import android.app.Fragment; 
import android.app.FragmentManager;

import android.app.FragmentTransaction;

import android.app.LoaderManager.LoaderCallbacks;

import android.content.ClipData;

import android.content.ContentProviderClient;

import android.content.ContentResolver;

import android.content.ContentValues;
@@ -502,16 +503,7 @@ public class DirectoryFragment extends Fragment { 


        @Override

        public boolean onActionItemClicked(ActionMode mode, MenuItem item) {

            final SparseBooleanArray checked = mCurrentView.getCheckedItemPositions();

            final ArrayList<DocumentInfo> docs = Lists.newArrayList();

            final int size = checked.size();

            for (int i = 0; i < size; i++) {

                if (checked.valueAt(i)) {

                    final Cursor cursor = mAdapter.getItem(checked.keyAt(i));

                    final DocumentInfo doc = DocumentInfo.fromDirectoryCursor(cursor);

                    docs.add(doc);

                }

            }

            final List<DocumentInfo> docs = getSelectedDocuments();



            final int id = item.getItemId();

            if (id == R.id.menu_open) {
@@ -1198,4 +1190,76 @@ public class DirectoryFragment extends Fragment { 


        return MimePredicate.mimeMatches(state.acceptMimes, docMimeType);

    }



    public List<DocumentInfo> getSelectedDocuments() {

        final SparseBooleanArray checked = mCurrentView.getCheckedItemPositions();

        final List<DocumentInfo> docs = Lists.newArrayList();

        final int size = checked.size();

        for (int i = 0; i < size; i++) {

            if (checked.valueAt(i)) {

                final Cursor cursor = mAdapter.getItem(checked.keyAt(i));

                final DocumentInfo doc = DocumentInfo.fromDirectoryCursor(cursor);

                docs.add(doc);

            }

        }

        return docs;

    }



    private void copyFromClipData(ClipData clipData, DocumentInfo dstDir) {

        final List<DocumentInfo> srcDocs = getDocumentsFromClipData(clipData);



        if (srcDocs.isEmpty())

            return;



        final DocumentStack curStack = getDisplayState(this).stack;

        DocumentStack tmpStack = new DocumentStack();

        if (dstDir != null) {

            tmpStack.push(dstDir);

            tmpStack.addAll(curStack);

        } else {

            tmpStack = curStack;

        }



        CopyService.start(getActivity(), srcDocs, tmpStack);

    }



    private List<DocumentInfo> getDocumentsFromClipData(ClipData clipData) {

        final List<DocumentInfo> srcDocs = Lists.newArrayList();



        Context context = getActivity();

        final ContentResolver resolver = context.getContentResolver();



        int itemCount = clipData.getItemCount();

        for (int i = 0; i < itemCount; ++i) {

            ClipData.Item item = clipData.getItemAt(i);

            Uri itemUri = item.getUri();

            if (itemUri != null && DocumentsContract.isDocumentUri(context, itemUri)) {

                try {

                    Cursor cursor = resolver.query(itemUri, null, null, null, null);

                    cursor.moveToPosition(0);

                    srcDocs.add(DocumentInfo.fromCursor(cursor, itemUri.getAuthority()));

                } catch (Exception e) {

                    Log.e(TAG, e.getMessage());

                }

            }

        }



        return srcDocs;

    }



    private ClipData getClipDataFromDocuments(List<DocumentInfo> docs) {

        Context context = getActivity();

        final ContentResolver resolver = context.getContentResolver();

        ClipData clipData = null;

        for (DocumentInfo doc : docs) {

            final Uri uri = DocumentsContract.buildDocumentUri(doc.authority, doc.documentId);

            if (clipData == null) {

                clipData = ClipData.newUri(resolver, "", uri);

            } else {

                // TODO: update list of mime types in ClipData.

                clipData.addItem(new ClipData.Item(uri));

            }

        }

        return clipData;

    }

}