public void onDocumentPicked(DocumentInfo doc) {
final FragmentManager fm = getFragmentManager();
if (doc.isDirectory()) {
mState.stack.push(doc);
mState.stackTouched = true;
onCurrentDirectoryChanged(ANIM_DOWN);
} else if (mState.action == ACTION_OPEN || mState.action == ACTION_GET_CONTENT) {
// Explicit file picked, return
new ExistingFinishTask(doc.derivedUri).executeOnExecutor(getCurrentExecutor());
} else if (mState.action == ACTION_CREATE) {
// Replace selected file
SaveFragment.get(fm).setReplaceTarget(doc);
} else if (mState.action == ACTION_MANAGE) {
// First try managing the document; we expect manager to filter
// based on authority, so we don't grant.
final Intent manage = new Intent(DocumentsContract.ACTION_MANAGE_DOCUMENT);
manage.setData(doc.derivedUri);
try {
startActivity(manage);
} catch (ActivityNotFoundException ex) {
// Fall back to viewing
final Intent view = new Intent(Intent.ACTION_VIEW);
view.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
view.setData(doc.derivedUri);
try {
startActivity(view);
} catch (ActivityNotFoundException ex2) {
/// M: Show toast with enhance way.
showToast(R.string.toast_no_application);
}
}
}
}
@Override
protected DocumentInfo doInBackground(Void... params) {
try {
final Uri uri = DocumentsContract.buildDocumentUri(mRoot.authority, mRoot.documentId);
return DocumentInfo.fromUri(getContentResolver(), uri);
} catch (FileNotFoundException e) {
Log.w(TAG, "Failed to find root", e);
return null;
}
}
/** Borrowed from TimSort.binarySort(), but modified to sort two column dataset. */
private static void binarySort(int[] position, String[] value) {
final int count = position.length;
for (int start = 1; start < count; start++) {
final int pivotPosition = position[start];
final String pivotValue = value[start];
int left = 0;
int right = start;
while (left < right) {
int mid = (left + right) >>> 1;
final String lhs = pivotValue;
final String rhs = value[mid];
final int compare = DocumentInfo.compareToIgnoreCaseNullable(lhs, rhs);
if (compare < 0) {
right = mid;
} else {
left = mid + 1;
}
}
int n = start - left;
switch (n) {
case 2:
position[left + 2] = position[left + 1];
value[left + 2] = value[left + 1];
case 1:
position[left + 1] = position[left];
value[left + 1] = value[left];
break;
default:
System.arraycopy(position, left, position, left + 1, n);
System.arraycopy(value, left, value, left + 1, n);
}
position[left] = pivotPosition;
value[left] = pivotValue;
}
}
/** Applies the state of fragment to the view components. */
private void updateView() {
switch (mAction) {
case BaseActivity.State.ACTION_OPEN_TREE:
mPick.setText(R.string.button_select);
mCancel.setVisibility(View.GONE);
break;
case BaseActivity.State.ACTION_OPEN_COPY_DESTINATION:
mPick.setText(R.string.button_copy);
mCancel.setVisibility(View.VISIBLE);
break;
default:
mContainer.setVisibility(View.GONE);
return;
}
if (mPickTarget != null
&& (mAction == BaseActivity.State.ACTION_OPEN_TREE || mPickTarget.isCreateSupported())) {
mContainer.setVisibility(View.VISIBLE);
} else {
mContainer.setVisibility(View.GONE);
}
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
final FragmentManager fm = getFragmentManager();
final RootInfo root = getCurrentRoot();
final DocumentInfo cwd = getCurrentDirectory();
final MenuItem createDir = menu.findItem(R.id.menu_create_dir);
final MenuItem search = menu.findItem(R.id.menu_search);
final MenuItem sort = menu.findItem(R.id.menu_sort);
final MenuItem sortSize = menu.findItem(R.id.menu_sort_size);
final MenuItem grid = menu.findItem(R.id.menu_grid);
final MenuItem list = menu.findItem(R.id.menu_list);
final MenuItem advanced = menu.findItem(R.id.menu_advanced);
final MenuItem fileSize = menu.findItem(R.id.menu_file_size);
sort.setVisible(cwd != null);
grid.setVisible(mState.derivedMode != MODE_GRID);
list.setVisible(mState.derivedMode != MODE_LIST);
if (mState.currentSearch != null) {
// Search uses backend ranking; no sorting
sort.setVisible(false);
search.expandActionView();
mSearchView.setIconified(false);
mSearchView.clearFocus();
mSearchView.setQuery(mState.currentSearch, false);
} else {
mIgnoreNextClose = true;
mSearchView.setIconified(true);
mSearchView.clearFocus();
mIgnoreNextCollapse = true;
search.collapseActionView();
}
// Only sort by size when visible
sortSize.setVisible(mState.showSize);
final boolean searchVisible;
if (mState.action == ACTION_CREATE || mState.action == ACTION_OPEN_TREE) {
createDir.setVisible(cwd != null && cwd.isCreateSupported());
searchVisible = false;
// No display options in recent directories
if (cwd == null) {
grid.setVisible(false);
list.setVisible(false);
}
if (mState.action == ACTION_CREATE) {
/// M: add to avoid seldom NullPointerException
SaveFragment saveFragment = SaveFragment.get(fm);
if (null != saveFragment) {
saveFragment.setSaveEnabled(cwd != null && cwd.isCreateSupported());
} else {
Log.e(TAG, "onPrepareOptionsMenu, SaveFragment is null");
}
}
} else {
createDir.setVisible(false);
searchVisible = root != null && ((root.flags & Root.FLAG_SUPPORTS_SEARCH) != 0);
}
// TODO: close any search in-progress when hiding
search.setVisible(searchVisible);
advanced.setTitle(
LocalPreferences.getDisplayAdvancedDevices(this)
? R.string.menu_advanced_hide
: R.string.menu_advanced_show);
fileSize.setTitle(
LocalPreferences.getDisplayFileSize(this)
? R.string.menu_file_size_hide
: R.string.menu_file_size_show);
/// M: If in force show advance mode, need hide advance menu
advanced.setVisible(mState.action != ACTION_MANAGE && !mState.forceAdvanced);
/// M: If cmd == null and mState.action == ACTION_CREATE, it means show
/// RecentsCreateFragment, we need hide file size menu to avoid exception
fileSize.setVisible(
mState.action != ACTION_MANAGE && !(cwd == null && mState.action == ACTION_CREATE));
return true;
}