mirror of
https://github.com/moparisthebest/keepass2android
synced 2024-08-13 17:03:49 -04:00
+ Kp2a FileChooser base class
This commit is contained in:
Philipp Crocoll
parent
881c77c565
commit
9deeeef382
@ -0,0 +1,17 @@
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package keepass2android.kp2afilechooser;
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public class FileEntry {
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public String path;
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public boolean isDirectory;
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public long lastModifiedTime;
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public boolean canRead;
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public boolean canWrite;
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public long sizeInBytes;
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public FileEntry()
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{
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isDirectory = false;
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canRead = canWrite = true;
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}
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}
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@ -0,0 +1,24 @@
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package keepass2android.kp2afilechooser;
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import group.pals.android.lib.ui.filechooser.FileChooserActivity;
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//import group.pals.android.lib.ui.filechooser.FileChooserActivity_v7;
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import group.pals.android.lib.ui.filechooser.providers.basefile.BaseFileContract.BaseFile;
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import android.content.Context;
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import android.content.Intent;
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public class Kp2aFileChooserBridge {
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public static Intent getLaunchFileChooserIntent(Context ctx, String authority, String defaultPath)
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{
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//Always use FileChooserActivity. _v7 was removed due to problems with Mono for Android binding.
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Class<?> cls = FileChooserActivity.class;
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Intent intent = new Intent(ctx, cls);
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intent.putExtra(FileChooserActivity.EXTRA_ROOTPATH,
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BaseFile.genContentIdUriBase(authority)
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.buildUpon()
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.appendPath(defaultPath)
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.build());
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return intent;
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}
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}
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@ -0,0 +1,672 @@
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package keepass2android.kp2afilechooser;
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/* Author: Philipp Crocoll
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*
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* Based on a file provider by Hai Bison
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*
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*/
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import java.util.concurrent.CancellationException;
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import android.content.ContentValues;
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import android.database.Cursor;
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import android.database.MatrixCursor;
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import android.database.MatrixCursor.RowBuilder;
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import android.net.Uri;
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import android.util.Log;
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import group.pals.android.lib.ui.filechooser.R;
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import group.pals.android.lib.ui.filechooser.providers.BaseFileProviderUtils;
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import group.pals.android.lib.ui.filechooser.providers.ProviderUtils;
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import group.pals.android.lib.ui.filechooser.providers.basefile.BaseFileContract.BaseFile;
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import group.pals.android.lib.ui.filechooser.providers.basefile.BaseFileProvider;
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import group.pals.android.lib.ui.filechooser.utils.FileUtils;
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import group.pals.android.lib.ui.filechooser.utils.Utils;
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public abstract class Kp2aFileProvider extends BaseFileProvider {
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/**
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* Gets the authority of this provider.
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*
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* abstract because the concrete authority can be decided by the overriding class.
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*
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* @param context the context.
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* @return the authority.
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*/
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public abstract String getAuthority();
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/**
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* The unique ID of this provider.
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*/
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public static final String _ID = "9dab9818-0a8b-47ef-88cc-10fe538bf8f7";
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/**
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* Used for debugging or something...
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*/
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private static final String CLASSNAME = Kp2aFileProvider.class.getName();
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@Override
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public boolean onCreate() {
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BaseFileProviderUtils.registerProviderInfo(_ID,
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getAuthority());
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URI_MATCHER.addURI(getAuthority(),
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BaseFile.PATH_DIR + "/*", URI_DIRECTORY);
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URI_MATCHER.addURI(getAuthority(),
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BaseFile.PATH_FILE + "/*", URI_FILE);
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URI_MATCHER.addURI(getAuthority(),
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BaseFile.PATH_API, URI_API);
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URI_MATCHER.addURI(getAuthority(),
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BaseFile.PATH_API + "/*", URI_API_COMMAND);
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return true;
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}// onCreate()
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@Override
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public int delete(Uri uri, String selection, String[] selectionArgs) {
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if (Utils.doLog())
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Log.d(CLASSNAME, "delete() >> " + uri);
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int count = 0;
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switch (URI_MATCHER.match(uri)) {
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case URI_FILE: {
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boolean isRecursive = ProviderUtils.getBooleanQueryParam(uri,
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BaseFile.PARAM_RECURSIVE, true);
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String filename = extractFile(uri);
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if (deletePath(filename, isRecursive))
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{
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getContext()
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.getContentResolver()
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.notifyChange(
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BaseFile.genContentUriBase(
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getAuthority())
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.buildUpon()
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.appendPath(
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addProtocol(getParentPath(filename))
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.toString())
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.build(), null);
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count = 1; //success
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}
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break;// URI_FILE
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}
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default:
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throw new IllegalArgumentException("UNKNOWN URI " + uri);
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}
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if (count > 0)
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getContext().getContentResolver().notifyChange(uri, null);
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return count;
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}// delete()
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@Override
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public Uri insert(Uri uri, ContentValues values) {
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if (Utils.doLog())
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Log.d(CLASSNAME, "insert() >> " + uri);
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switch (URI_MATCHER.match(uri)) {
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case URI_DIRECTORY:
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String dirname = extractFile(uri);
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String newDirName = uri.getQueryParameter(BaseFile.PARAM_NAME);
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String newFullName = removeTrailingSlash(dirname)+"/"+newDirName;
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boolean success = false;
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switch (ProviderUtils.getIntQueryParam(uri,
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BaseFile.PARAM_FILE_TYPE, BaseFile.FILE_TYPE_DIRECTORY)) {
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case BaseFile.FILE_TYPE_DIRECTORY:
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success = createDirectory(dirname, newDirName);
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break;// FILE_TYPE_DIRECTORY
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case BaseFile.FILE_TYPE_FILE:
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//not supported at the moment
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break;// FILE_TYPE_FILE
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default:
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return null;
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}
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if (success)
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{
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Uri newUri = BaseFile
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.genContentIdUriBase(
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getAuthority())
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.buildUpon()
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.appendPath( addProtocol(newFullName)).build();
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getContext().getContentResolver().notifyChange(uri, null);
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return newUri;
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}
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return null;// URI_FILE
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default:
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throw new IllegalArgumentException("UNKNOWN URI " + uri);
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}
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}// insert()
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@Override
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public Cursor query(Uri uri, String[] projection, String selection,
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String[] selectionArgs, String sortOrder) {
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if (Utils.doLog())
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Log.d(CLASSNAME, String.format(
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"query() >> uri = %s (%s) >> match = %s", uri,
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uri.getLastPathSegment(), URI_MATCHER.match(uri)));
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switch (URI_MATCHER.match(uri)) {
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case URI_API: {
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/*
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* If there is no command given, return provider ID and name.
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*/
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MatrixCursor matrixCursor = new MatrixCursor(new String[] {
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BaseFile.COLUMN_PROVIDER_ID, BaseFile.COLUMN_PROVIDER_NAME,
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BaseFile.COLUMN_PROVIDER_ICON_ATTR });
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matrixCursor.newRow().add(_ID)
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.add("KP2A")
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.add(R.attr.afc_badge_file_provider_localfile);
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return matrixCursor;
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}
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case URI_API_COMMAND: {
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return doAnswerApiCommand(uri);
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}// URI_API
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case URI_DIRECTORY: {
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return doListFiles(uri);
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}// URI_DIRECTORY
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case URI_FILE: {
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return doRetrieveFileInfo(uri);
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}// URI_FILE
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default:
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throw new IllegalArgumentException("UNKNOWN URI " + uri);
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}
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}// query()
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/*
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* UTILITIES
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*/
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/**
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* Answers the incoming URI.
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*
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* @param uri
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* the request URI.
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* @return the response.
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*/
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private MatrixCursor doAnswerApiCommand(Uri uri) {
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MatrixCursor matrixCursor = null;
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if (BaseFile.CMD_CANCEL.equals(uri.getLastPathSegment())) {
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int taskId = ProviderUtils.getIntQueryParam(uri,
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BaseFile.PARAM_TASK_ID, 0);
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synchronized (mMapInterruption) {
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if (taskId == 0) {
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for (int i = 0; i < mMapInterruption.size(); i++)
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mMapInterruption.put(mMapInterruption.keyAt(i), true);
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} else if (mMapInterruption.indexOfKey(taskId) >= 0)
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mMapInterruption.put(taskId, true);
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}
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return null;
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} else if (BaseFile.CMD_GET_DEFAULT_PATH.equals(uri
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.getLastPathSegment())) {
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return null;
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}// get default path
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else if (BaseFile.CMD_IS_ANCESTOR_OF.equals(uri.getLastPathSegment())) {
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return doCheckAncestor(uri);
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} else if (BaseFile.CMD_GET_PARENT.equals(uri.getLastPathSegment())) {
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{
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String path = Uri.parse(
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uri.getQueryParameter(BaseFile.PARAM_SOURCE)).getPath();
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String parentPath = addProtocol(getParentPath(path));
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if (parentPath == null)
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{
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if (Utils.doLog())
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Log.d(CLASSNAME, "parent file is null");
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return null;
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}
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String fname = getName(parentPath);
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matrixCursor = BaseFileProviderUtils.newBaseFileCursor();
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int type = parentPath != null ? BaseFile.FILE_TYPE_DIRECTORY
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: BaseFile.FILE_TYPE_NOT_EXISTED;
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RowBuilder newRow = matrixCursor.newRow();
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newRow.add(0);// _ID
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newRow.add(BaseFile
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.genContentIdUriBase(
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getAuthority())
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.buildUpon().appendPath(addProtocol(parentPath))
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.build().toString());
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newRow.add(parentPath);
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newRow.add(fname);
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newRow.add(true); //can read
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newRow.add(true); //can write
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newRow.add(0);
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newRow.add(type);
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newRow.add(0);
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newRow.add(FileUtils.getResIcon(type, fname));
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return matrixCursor;
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}
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} else if (BaseFile.CMD_SHUTDOWN.equals(uri.getLastPathSegment())) {
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/*
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* TODO Stop all tasks. If the activity call this command in
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* onDestroy(), it seems that this code block will be suspended and
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* started next time the activity starts. So we comment out this.
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* Let the Android system do what it wants to do!!!! I hate this.
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*/
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// synchronized (mMapInterruption) {
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// for (int i = 0; i < mMapInterruption.size(); i++)
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// mMapInterruption.put(mMapInterruption.keyAt(i), true);
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// }
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}
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return matrixCursor;
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}// doAnswerApiCommand()
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private String getName(String path) {
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path = removeTrailingSlash(path);
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int lastSlashPos = path.lastIndexOf("/");
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//if path is root, return its name. empty is ok
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if (lastSlashPos == -1)
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return path;
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return path.substring(lastSlashPos+1);
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}
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private String addProtocol(String path) {
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if (path == null)
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return null;
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if (path.startsWith(getProtocolId()+"://"))
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return path;
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return getProtocolId()+"://"+path;
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}
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/**
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* Lists the content of a directory, if available.
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*
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* @param uri
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* the URI pointing to a directory.
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* @return the content of a directory, or {@code null} if not available.
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*/
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private MatrixCursor doListFiles(Uri uri) {
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MatrixCursor matrixCursor = BaseFileProviderUtils.newBaseFileCursor();
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String dirName = extractFile(uri);
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if (Utils.doLog())
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Log.d(CLASSNAME, "doListFiles. srcFile = " + dirName);
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/*
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* Prepare params...
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*/
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int taskId = ProviderUtils.getIntQueryParam(uri,
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BaseFile.PARAM_TASK_ID, 0);
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boolean showHiddenFiles = ProviderUtils.getBooleanQueryParam(uri,
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BaseFile.PARAM_SHOW_HIDDEN_FILES);
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boolean sortAscending = ProviderUtils.getBooleanQueryParam(uri,
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BaseFile.PARAM_SORT_ASCENDING, true);
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int sortBy = ProviderUtils.getIntQueryParam(uri,
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BaseFile.PARAM_SORT_BY, BaseFile.SORT_BY_NAME);
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int filterMode = ProviderUtils.getIntQueryParam(uri,
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BaseFile.PARAM_FILTER_MODE,
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BaseFile.FILTER_FILES_AND_DIRECTORIES);
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int limit = ProviderUtils.getIntQueryParam(uri, BaseFile.PARAM_LIMIT,
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1000);
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String positiveRegex = uri
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.getQueryParameter(BaseFile.PARAM_POSITIVE_REGEX_FILTER);
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String negativeRegex = uri
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.getQueryParameter(BaseFile.PARAM_NEGATIVE_REGEX_FILTER);
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mMapInterruption.put(taskId, false);
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boolean[] hasMoreFiles = { false };
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List<FileEntry> files = new ArrayList<FileEntry>();
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listFiles(taskId, dirName, showHiddenFiles, filterMode, limit,
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positiveRegex, negativeRegex, files, hasMoreFiles);
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if (!mMapInterruption.get(taskId)) {
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try {
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sortFiles(taskId, files, sortAscending, sortBy);
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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if (!mMapInterruption.get(taskId)) {
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for (int i = 0; i < files.size(); i++) {
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if (mMapInterruption.get(taskId))
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break;
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FileEntry f = files.get(i);
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Log.d(CLASSNAME, "listing " + f.path +" for "+dirName);
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addFileInfo(matrixCursor, i, f);
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}// for files
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/*
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* The last row contains:
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*
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* - The ID;
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*
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* - The base file URI to original directory, which has
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* parameter BaseFile.PARAM_HAS_MORE_FILES to indicate the
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* directory has more files or not.
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*
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* - The system absolute path to original directory.
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*
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* - The name of original directory.
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*/
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RowBuilder newRow = matrixCursor.newRow();
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newRow.add(files.size());// _ID
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newRow.add(BaseFile
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.genContentIdUriBase(
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getAuthority())
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.buildUpon()
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.appendPath(addProtocol(dirName))
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.appendQueryParameter(BaseFile.PARAM_HAS_MORE_FILES,
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Boolean.toString(hasMoreFiles[0])).build()
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.toString());
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newRow.add(addProtocol(dirName));
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newRow.add(getName(dirName));
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Log.d(CLASSNAME, "Returning name " + getName(dirName)+" for " +addProtocol(dirName));
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}
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}
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try {
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if (mMapInterruption.get(taskId)) {
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if (Utils.doLog())
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Log.d(CLASSNAME, "query() >> cancelled...");
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return null;
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}
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} finally {
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mMapInterruption.delete(taskId);
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}
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/*
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* Tells the Cursor what URI to watch, so it knows when its source data
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* changes.
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*/
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matrixCursor.setNotificationUri(getContext().getContentResolver(), uri);
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return matrixCursor;
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}// doListFiles()
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private RowBuilder addFileInfo(MatrixCursor matrixCursor, int id,
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FileEntry f) {
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int type = !f.isDirectory ? BaseFile.FILE_TYPE_FILE : BaseFile.FILE_TYPE_DIRECTORY;
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RowBuilder newRow = matrixCursor.newRow();
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newRow.add(id);// _ID
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newRow.add(BaseFile
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.genContentIdUriBase(
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getAuthority())
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.buildUpon().appendPath(addProtocol(f.path))
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.build().toString());
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newRow.add(addProtocol(f.path));
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newRow.add(getName(f.path));
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newRow.add(f.canRead ? 1 : 0);
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newRow.add(f.canWrite ? 1 : 0);
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newRow.add(f.sizeInBytes);
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newRow.add(type);
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if (f.lastModifiedTime > 0)
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newRow.add(f.lastModifiedTime);
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else
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newRow.add(null);
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newRow.add(FileUtils.getResIcon(type, getName(f.path)));
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return newRow;
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}
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/**
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* Retrieves file information of a single file.
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*
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* @param uri
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* the URI pointing to a file.
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* @return the file information. Can be {@code null}, based on the input
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* parameters.
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*/
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private MatrixCursor doRetrieveFileInfo(Uri uri) {
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Log.d(CLASSNAME, "retrieve file info");
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MatrixCursor matrixCursor = BaseFileProviderUtils.newBaseFileCursor();
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String filename = extractFile(uri);
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FileEntry f = getFileEntry(filename);
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addFileInfo(matrixCursor, 0, f);
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return matrixCursor;
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}// doRetrieveFileInfo()
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||||
|
||||
|
||||
|
||||
/**
|
||||
* Sorts {@code files}.
|
||||
*
|
||||
* @param taskId
|
||||
* the task ID.
|
||||
* @param files
|
||||
* list of files.
|
||||
* @param ascending
|
||||
* {@code true} or {@code false}.
|
||||
* @param sortBy
|
||||
* can be one of {@link BaseFile.#_SortByModificationTime},
|
||||
* {@link BaseFile.#_SortByName}, {@link BaseFile.#_SortBySize}.
|
||||
* @throws Exception
|
||||
*/
|
||||
private void sortFiles(final int taskId, final List<FileEntry> files,
|
||||
final boolean ascending, final int sortBy) throws Exception {
|
||||
try {
|
||||
Collections.sort(files, new Comparator<FileEntry>() {
|
||||
|
||||
@Override
|
||||
public int compare(FileEntry lhs, FileEntry rhs) {
|
||||
if (mMapInterruption.get(taskId))
|
||||
throw new CancellationException();
|
||||
|
||||
if (lhs.isDirectory && !rhs.isDirectory)
|
||||
return -1;
|
||||
if (!lhs.isDirectory && rhs.isDirectory)
|
||||
return 1;
|
||||
|
||||
/*
|
||||
* Default is to compare by name (case insensitive).
|
||||
*/
|
||||
int res = mCollator.compare(lhs.path, rhs.path);
|
||||
|
||||
switch (sortBy) {
|
||||
case BaseFile.SORT_BY_NAME:
|
||||
break;// SortByName
|
||||
|
||||
case BaseFile.SORT_BY_SIZE:
|
||||
if (lhs.sizeInBytes > rhs.sizeInBytes)
|
||||
res = 1;
|
||||
else if (lhs.sizeInBytes < rhs.sizeInBytes)
|
||||
res = -1;
|
||||
break;// SortBySize
|
||||
|
||||
case BaseFile.SORT_BY_MODIFICATION_TIME:
|
||||
if (lhs.lastModifiedTime > rhs.lastModifiedTime)
|
||||
res = 1;
|
||||
else if (lhs.lastModifiedTime < rhs.lastModifiedTime)
|
||||
res = -1;
|
||||
break;// SortByDate
|
||||
}
|
||||
|
||||
return ascending ? res : -res;
|
||||
}// compare()
|
||||
});
|
||||
} catch (CancellationException e) {
|
||||
if (Utils.doLog())
|
||||
Log.d(CLASSNAME, "sortFiles() >> cancelled...");
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Log.d(CLASSNAME, "sortFiles() >> "+e);
|
||||
throw e;
|
||||
}
|
||||
}// sortFiles()
|
||||
|
||||
|
||||
/**
|
||||
* Checks ancestor with {@link BaseFile#CMD_IS_ANCESTOR_OF},
|
||||
* {@link BaseFile#PARAM_SOURCE} and {@link BaseFile#PARAM_TARGET}.
|
||||
*
|
||||
* @param uri
|
||||
* the original URI from client.
|
||||
* @return {@code null} if source is not ancestor of target; or a
|
||||
* <i>non-null but empty</i> cursor if the source is.
|
||||
*/
|
||||
private MatrixCursor doCheckAncestor(Uri uri) {
|
||||
File source = new File(Uri.parse(
|
||||
uri.getQueryParameter(BaseFile.PARAM_SOURCE)).getPath());
|
||||
File target = new File(Uri.parse(
|
||||
uri.getQueryParameter(BaseFile.PARAM_TARGET)).getPath());
|
||||
if (source == null || target == null)
|
||||
return null;
|
||||
|
||||
boolean validate = ProviderUtils.getBooleanQueryParam(uri,
|
||||
BaseFile.PARAM_VALIDATE, true);
|
||||
if (validate) {
|
||||
if (!source.isDirectory() || !target.exists())
|
||||
return null;
|
||||
}
|
||||
|
||||
if (source.equals(target.getParentFile())
|
||||
|| (target.getParent() != null && target.getParent()
|
||||
.startsWith(source.getAbsolutePath())))
|
||||
return BaseFileProviderUtils.newClosedCursor();
|
||||
|
||||
return null;
|
||||
}// doCheckAncestor()
|
||||
|
||||
/**
|
||||
* Extracts source file from request URI.
|
||||
*
|
||||
* @param uri
|
||||
* the original URI.
|
||||
* @return the filename.
|
||||
*/
|
||||
private static String extractFile(Uri uri) {
|
||||
String fileName = Uri.parse(uri.getLastPathSegment()).getPath();
|
||||
if (uri.getQueryParameter(BaseFile.PARAM_APPEND_PATH) != null)
|
||||
fileName += Uri.parse(
|
||||
uri.getQueryParameter(BaseFile.PARAM_APPEND_PATH))
|
||||
.getPath();
|
||||
if (uri.getQueryParameter(BaseFile.PARAM_APPEND_NAME) != null)
|
||||
fileName += "/" + uri.getQueryParameter(BaseFile.PARAM_APPEND_NAME);
|
||||
|
||||
if (Utils.doLog())
|
||||
Log.d(CLASSNAME, "extractFile() >> " + fileName);
|
||||
|
||||
return fileName;
|
||||
}// extractFile()
|
||||
|
||||
private static String removeTrailingSlash(String path)
|
||||
{
|
||||
if (path.endsWith("/")) {
|
||||
return path.substring(0, path.length() - 1);
|
||||
}
|
||||
return path;
|
||||
}
|
||||
|
||||
private String getParentPath(String path)
|
||||
{
|
||||
path = removeTrailingSlash(path);
|
||||
path = removeProtocol(path);
|
||||
int lastSlashPos = path.lastIndexOf("/");
|
||||
if (lastSlashPos == -1)
|
||||
return null;
|
||||
else
|
||||
return path.substring(0, lastSlashPos)+"/";
|
||||
}
|
||||
|
||||
private String removeProtocol(String path) {
|
||||
if (path.lastIndexOf("://") == -1)
|
||||
return path;
|
||||
|
||||
if (!path.startsWith(getProtocolId()+"://"))
|
||||
{
|
||||
String msg = path+" does not start with "+getProtocolId();
|
||||
Log.d(CLASSNAME, msg);
|
||||
throw new IllegalArgumentException(msg);
|
||||
}
|
||||
return path.substring(getProtocolId().length()+3);
|
||||
}
|
||||
|
||||
protected String getRootDirectory(String currentPath)
|
||||
{
|
||||
return getProtocolId() + ":///";
|
||||
}
|
||||
|
||||
protected FileEntry getFileEntry(String path) {
|
||||
FileEntry f = new FileEntry();
|
||||
f.path = path;
|
||||
f.isDirectory = path.lastIndexOf(".") == -1;
|
||||
return f;
|
||||
}
|
||||
|
||||
/**
|
||||
* Lists all file inside {@code dirName}.
|
||||
*
|
||||
* @param taskId
|
||||
* the task ID.
|
||||
* @param dir
|
||||
* the source directory.
|
||||
* @param showHiddenFiles
|
||||
* {@code true} or {@code false}.
|
||||
* @param filterMode
|
||||
* can be one of {@link BaseFile#FILTER_DIRECTORIES_ONLY},
|
||||
* {@link BaseFile#FILTER_FILES_ONLY},
|
||||
* {@link BaseFile#FILTER_FILES_AND_DIRECTORIES}.
|
||||
* @param limit
|
||||
* the limit.
|
||||
* @param positiveRegex
|
||||
* the positive regex filter.
|
||||
* @param negativeRegex
|
||||
* the negative regex filter.
|
||||
* @param results
|
||||
* the results.
|
||||
* @param hasMoreFiles
|
||||
* the first item will contain a value representing that there is
|
||||
* more files (exceeding {@code limit}) or not.
|
||||
*/
|
||||
protected abstract void listFiles(final int taskId, final String dirName,
|
||||
final boolean showHiddenFiles, final int filterMode,
|
||||
final int limit, String positiveRegex, String negativeRegex,
|
||||
final List<FileEntry> results, final boolean hasMoreFiles[]);
|
||||
|
||||
|
||||
protected abstract boolean deletePath(String filename, boolean isRecursive);
|
||||
protected abstract boolean createDirectory(String dirname, String newDirName);
|
||||
|
||||
protected abstract String getProtocolId();
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user