774 lines
26 KiB
Java
774 lines
26 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.documentsui;
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import static com.android.documentsui.Shared.DEBUG;
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import static com.android.documentsui.State.MODE_GRID;
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import static com.android.documentsui.dirlist.DirectoryFragment.ANIM_DOWN;
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import static com.android.documentsui.dirlist.DirectoryFragment.ANIM_NONE;
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import static com.android.documentsui.dirlist.DirectoryFragment.ANIM_SIDE;
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import static com.android.documentsui.dirlist.DirectoryFragment.ANIM_UP;
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import static com.android.internal.util.Preconditions.checkArgument;
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import static com.android.internal.util.Preconditions.checkState;
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import android.app.Activity;
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import android.app.Fragment;
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import android.content.Intent;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.content.pm.ProviderInfo;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.provider.DocumentsContract;
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import android.provider.DocumentsContract.Root;
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import android.support.annotation.LayoutRes;
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import android.support.annotation.Nullable;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemSelectedListener;
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import android.widget.BaseAdapter;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.android.documentsui.RecentsProvider.ResumeColumns;
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import com.android.documentsui.SearchManager.SearchManagerListener;
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import com.android.documentsui.State.ViewMode;
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import com.android.documentsui.dirlist.DirectoryFragment;
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import com.android.documentsui.model.DocumentInfo;
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import com.android.documentsui.model.DocumentStack;
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import com.android.documentsui.model.DurableUtils;
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import com.android.documentsui.model.RootInfo;
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import com.android.internal.util.Preconditions;
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import libcore.io.IoUtils;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.concurrent.Executor;
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public abstract class BaseActivity extends Activity implements SearchManagerListener {
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static final String EXTRA_STATE = "state";
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State mState;
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RootsCache mRoots;
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SearchManager mSearchManager;
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DrawerController mDrawer;
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boolean mProductivityDevice;
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private final String mTag;
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@LayoutRes
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private int mLayoutId;
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private DirectoryContainerView mDirectoryContainer;
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public abstract void onDocumentPicked(DocumentInfo doc, @Nullable SiblingProvider siblings);
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public abstract void onDocumentsPicked(List<DocumentInfo> docs);
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abstract void onTaskFinished(Uri... uris);
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abstract void refreshDirectory(int anim);
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abstract void updateActionBar();
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abstract void saveStackBlocking();
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abstract State buildState();
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public BaseActivity(@LayoutRes int layoutId, String tag) {
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mLayoutId = layoutId;
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mTag = tag;
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}
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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mState = (icicle != null)
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? icicle.<State>getParcelable(EXTRA_STATE)
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: buildState();
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Metrics.logActivityLaunch(this, mState, getIntent());
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setContentView(mLayoutId);
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mRoots = DocumentsApplication.getRootsCache(this);
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mRoots.setOnCacheUpdateListener(
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new RootsCache.OnCacheUpdateListener() {
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@Override
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public void onCacheUpdate() {
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new HandleRootsChangedTask().execute(getCurrentRoot());
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}
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});
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mDirectoryContainer = (DirectoryContainerView) findViewById(R.id.container_directory);
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mSearchManager = new SearchManager(this);
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// Base classes must update result in their onCreate.
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setResult(Activity.RESULT_CANCELED);
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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boolean showMenu = super.onCreateOptionsMenu(menu);
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getMenuInflater().inflate(R.menu.activity, menu);
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mSearchManager.install((DocumentsToolBar) findViewById(R.id.toolbar));
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return showMenu;
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}
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@Override
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public boolean onPrepareOptionsMenu(Menu menu) {
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super.onPrepareOptionsMenu(menu);
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final RootInfo root = getCurrentRoot();
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final boolean inRecents = getCurrentDirectory() == null;
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final MenuItem sort = menu.findItem(R.id.menu_sort);
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final MenuItem sortSize = menu.findItem(R.id.menu_sort_size);
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final MenuItem grid = menu.findItem(R.id.menu_grid);
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final MenuItem list = menu.findItem(R.id.menu_list);
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final MenuItem advanced = menu.findItem(R.id.menu_advanced);
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final MenuItem fileSize = menu.findItem(R.id.menu_file_size);
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final MenuItem settings = menu.findItem(R.id.menu_settings);
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// I'm thinkin' this isn't necesary here. If it is...'cuz of a bug....
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// then uncomment the linke and let's get a proper bug reference here.
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// mSearchManager.update(root);
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// Search uses backend ranking; no sorting
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sort.setVisible(!inRecents && !mSearchManager.isSearching());
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// grid/list is effectively a toggle.
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grid.setVisible(mState.derivedMode != State.MODE_GRID);
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list.setVisible(mState.derivedMode != State.MODE_LIST);
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sortSize.setVisible(mState.showSize); // Only sort by size when visible
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fileSize.setVisible(!mState.forceSize);
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advanced.setVisible(!mState.forceAdvanced);
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settings.setVisible((root.flags & Root.FLAG_HAS_SETTINGS) != 0);
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advanced.setTitle(LocalPreferences.getDisplayAdvancedDevices(this)
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? R.string.menu_advanced_hide : R.string.menu_advanced_show);
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fileSize.setTitle(LocalPreferences.getDisplayFileSize(this)
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? R.string.menu_file_size_hide : R.string.menu_file_size_show);
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return true;
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}
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@Override
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protected void onDestroy() {
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mRoots.setOnCacheUpdateListener(null);
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super.onDestroy();
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}
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State buildDefaultState() {
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State state = new State();
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final Intent intent = getIntent();
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state.localOnly = intent.getBooleanExtra(Intent.EXTRA_LOCAL_ONLY, false);
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state.forceSize = intent.getBooleanExtra(DocumentsContract.EXTRA_SHOW_FILESIZE, false);
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state.showSize = state.forceSize || LocalPreferences.getDisplayFileSize(this);
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state.forceAdvanced = intent.getBooleanExtra(DocumentsContract.EXTRA_SHOW_ADVANCED, false);
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state.showAdvanced = state.forceAdvanced
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|| LocalPreferences.getDisplayAdvancedDevices(this);
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state.initAcceptMimes(intent);
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state.excludedAuthorities = getExcludedAuthorities();
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return state;
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}
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void onStackRestored(boolean restored, boolean external) {}
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void onRootPicked(RootInfo root) {
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mState.derivedMode = LocalPreferences.getViewMode(this, root, MODE_GRID);
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// Clear entire backstack and start in new root
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mState.onRootChanged(root);
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mSearchManager.update(root);
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// Recents is always in memory, so we just load it directly.
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// Otherwise we delegate loading data from disk to a task
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// to ensure a responsive ui.
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if (mRoots.isRecentsRoot(root)) {
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refreshCurrentRootAndDirectory(ANIM_SIDE);
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} else {
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new PickRootTask(root, true).executeOnExecutor(getExecutorForCurrentDirectory());
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}
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}
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void expandMenus(Menu menu) {
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for (int i = 0; i < menu.size(); i++) {
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final MenuItem item = menu.getItem(i);
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switch (item.getItemId()) {
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case R.id.menu_advanced:
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case R.id.menu_file_size:
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case R.id.menu_new_window:
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case R.id.menu_search:
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break;
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default:
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item.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
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}
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}
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case android.R.id.home:
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onBackPressed();
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return true;
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case R.id.menu_create_dir:
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showCreateDirectoryDialog();
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return true;
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case R.id.menu_search:
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return false;
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case R.id.menu_sort_name:
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setUserSortOrder(State.SORT_ORDER_DISPLAY_NAME);
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return true;
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case R.id.menu_sort_date:
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setUserSortOrder(State.SORT_ORDER_LAST_MODIFIED);
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return true;
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case R.id.menu_sort_size:
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setUserSortOrder(State.SORT_ORDER_SIZE);
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return true;
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case R.id.menu_grid:
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setViewMode(State.MODE_GRID);
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return true;
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case R.id.menu_list:
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setViewMode(State.MODE_LIST);
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return true;
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case R.id.menu_paste_from_clipboard:
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DirectoryFragment.get(getFragmentManager())
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.pasteFromClipboard();
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return true;
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case R.id.menu_advanced:
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setDisplayAdvancedDevices(!LocalPreferences.getDisplayAdvancedDevices(this));
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return true;
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case R.id.menu_file_size:
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setDisplayFileSize(!LocalPreferences.getDisplayFileSize(this));
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return true;
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case R.id.menu_settings:
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final RootInfo root = getCurrentRoot();
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final Intent intent = new Intent(DocumentsContract.ACTION_DOCUMENT_ROOT_SETTINGS);
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intent.setDataAndType(root.getUri(), DocumentsContract.Root.MIME_TYPE_ITEM);
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startActivity(intent);
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return true;
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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void showCreateDirectoryDialog() {
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CreateDirectoryFragment.show(getFragmentManager());
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}
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/**
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* Returns true if a directory can be created in the current location.
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* @return
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*/
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boolean canCreateDirectory() {
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final RootInfo root = getCurrentRoot();
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final DocumentInfo cwd = getCurrentDirectory();
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return cwd != null
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&& cwd.isCreateSupported()
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&& !mSearchManager.isSearching()
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&& !root.isRecents()
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&& !root.isDownloads();
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}
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void onDirectoryCreated(DocumentInfo doc) {
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checkArgument(doc.isDirectory());
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openContainerDocument(doc);
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}
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void openContainerDocument(DocumentInfo doc) {
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checkArgument(doc.isContainer());
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mState.pushDocument(doc);
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refreshCurrentRootAndDirectory(ANIM_DOWN);
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}
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/**
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* Refreshes the content of the director and the menu/action bar.
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* The current directory name and selection will get updated.
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* @param anim
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*/
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final void refreshCurrentRootAndDirectory(int anim) {
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mSearchManager.cancelSearch();
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mDirectoryContainer.setDrawDisappearingFirst(anim == ANIM_DOWN);
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refreshDirectory(anim);
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final RootsFragment roots = RootsFragment.get(getFragmentManager());
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if (roots != null) {
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roots.onCurrentRootChanged();
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}
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updateActionBar();
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invalidateOptionsMenu();
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}
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/**
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* Called when search results changed.
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* Refreshes the content of the directory. It doesn't refresh elements on the action bar.
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* e.g. The current directory name displayed on the action bar won't get updated.
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*/
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@Override
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public void onSearchChanged() {
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mDirectoryContainer.setDrawDisappearingFirst(false);
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refreshDirectory(ANIM_NONE);
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}
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/**
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* Called when search query changed.
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* Updates the state object.
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* @param query - New query
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*/
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@Override
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public void onSearchQueryChanged(String query) {
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mState.currentSearch = query;
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}
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final List<String> getExcludedAuthorities() {
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List<String> authorities = new ArrayList<>();
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if (getIntent().getBooleanExtra(DocumentsContract.EXTRA_EXCLUDE_SELF, false)) {
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// Exclude roots provided by the calling package.
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String packageName = getCallingPackageMaybeExtra();
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try {
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PackageInfo pkgInfo = getPackageManager().getPackageInfo(packageName,
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PackageManager.GET_PROVIDERS);
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for (ProviderInfo provider: pkgInfo.providers) {
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authorities.add(provider.authority);
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}
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} catch (PackageManager.NameNotFoundException e) {
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Log.e(mTag, "Calling package name does not resolve: " + packageName);
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}
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}
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return authorities;
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}
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final String getCallingPackageMaybeExtra() {
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String callingPackage = getCallingPackage();
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// System apps can set the calling package name using an extra.
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try {
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ApplicationInfo info = getPackageManager().getApplicationInfo(callingPackage, 0);
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if (info.isSystemApp() || info.isUpdatedSystemApp()) {
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final String extra = getIntent().getStringExtra(DocumentsContract.EXTRA_PACKAGE_NAME);
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if (extra != null) {
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callingPackage = extra;
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}
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}
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} finally {
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return callingPackage;
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}
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}
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public static BaseActivity get(Fragment fragment) {
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return (BaseActivity) fragment.getActivity();
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}
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public State getDisplayState() {
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return mState;
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}
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void setDisplayAdvancedDevices(boolean display) {
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LocalPreferences.setDisplayAdvancedDevices(this, display);
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mState.showAdvanced = mState.forceAdvanced | display;
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RootsFragment.get(getFragmentManager()).onDisplayStateChanged();
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invalidateOptionsMenu();
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}
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void setDisplayFileSize(boolean display) {
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LocalPreferences.setDisplayFileSize(this, display);
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mState.showSize = display;
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DirectoryFragment.get(getFragmentManager()).onDisplayStateChanged();
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invalidateOptionsMenu();
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}
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/**
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* Set state sort order based on explicit user action.
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*/
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void setUserSortOrder(int sortOrder) {
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mState.userSortOrder = sortOrder;
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DirectoryFragment.get(getFragmentManager()).onSortOrderChanged();
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}
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/**
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* Set mode based on explicit user action.
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*/
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void setViewMode(@ViewMode int mode) {
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checkState(mState.stack.root != null);
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LocalPreferences.setViewMode(this, mState.stack.root, mode);
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mState.derivedMode = mode;
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// view icon needs to be updated, but we *could* do it
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// in onOptionsItemSelected, and not do the full invalidation
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// But! That's a larger refactoring we'll save for another day.
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invalidateOptionsMenu();
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DirectoryFragment.get(getFragmentManager()).onViewModeChanged();
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}
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public void setPending(boolean pending) {
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final SaveFragment save = SaveFragment.get(getFragmentManager());
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if (save != null) {
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save.setPending(pending);
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}
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}
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@Override
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protected void onSaveInstanceState(Bundle state) {
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super.onSaveInstanceState(state);
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state.putParcelable(EXTRA_STATE, mState);
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}
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@Override
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protected void onRestoreInstanceState(Bundle state) {
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super.onRestoreInstanceState(state);
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}
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public RootInfo getCurrentRoot() {
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if (mState.stack.root != null) {
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return mState.stack.root;
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} else {
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return mRoots.getRecentsRoot();
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}
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}
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public DocumentInfo getCurrentDirectory() {
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return mState.stack.peek();
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}
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public Executor getExecutorForCurrentDirectory() {
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final DocumentInfo cwd = getCurrentDirectory();
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if (cwd != null && cwd.authority != null) {
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return ProviderExecutor.forAuthority(cwd.authority);
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} else {
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return AsyncTask.THREAD_POOL_EXECUTOR;
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}
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}
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@Override
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public void onBackPressed() {
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// While action bar is expanded, the state stack UI is hidden.
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if (mSearchManager.cancelSearch()) {
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return;
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}
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if (DirectoryFragment.get(getFragmentManager()).onBackPressed()) {
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return;
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}
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if (!mState.hasLocationChanged()) {
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super.onBackPressed();
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return;
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}
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final int size = mState.stack.size();
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if (mDrawer.isOpen()) {
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mDrawer.setOpen(false);
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} else if (size > 1) {
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mState.stack.pop();
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refreshCurrentRootAndDirectory(ANIM_UP);
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} else {
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super.onBackPressed();
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}
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}
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public void onStackPicked(DocumentStack stack) {
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try {
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// Update the restored stack to ensure we have freshest data
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stack.updateDocuments(getContentResolver());
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mState.setStack(stack);
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refreshCurrentRootAndDirectory(ANIM_SIDE);
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} catch (FileNotFoundException e) {
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Log.w(mTag, "Failed to restore stack: " + e);
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}
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}
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private DocumentInfo getRootDocumentBlocking(RootInfo root) {
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try {
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final Uri uri = DocumentsContract.buildDocumentUri(
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root.authority, root.documentId);
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return DocumentInfo.fromUri(getContentResolver(), uri);
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} catch (FileNotFoundException e) {
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Log.w(mTag, "Failed to find root", e);
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return null;
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}
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}
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final class PickRootTask extends AsyncTask<Void, Void, DocumentInfo> {
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private RootInfo mRoot;
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private boolean mTouched;
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public PickRootTask(RootInfo root, boolean touched) {
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mRoot = root;
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mTouched = touched;
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}
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@Override
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protected DocumentInfo doInBackground(Void... params) {
|
|
return getRootDocumentBlocking(mRoot);
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(DocumentInfo result) {
|
|
if (result != null && !isDestroyed()) {
|
|
openContainerDocument(result);
|
|
}
|
|
}
|
|
}
|
|
|
|
final class RestoreStackTask extends AsyncTask<Void, Void, Void> {
|
|
private volatile boolean mRestoredStack;
|
|
private volatile boolean mExternal;
|
|
|
|
@Override
|
|
protected Void doInBackground(Void... params) {
|
|
if (DEBUG && !mState.stack.isEmpty()) {
|
|
Log.w(mTag, "Overwriting existing stack.");
|
|
}
|
|
RootsCache roots = DocumentsApplication.getRootsCache(BaseActivity.this);
|
|
|
|
// Restore last stack for calling package
|
|
final String packageName = getCallingPackageMaybeExtra();
|
|
final Cursor cursor = getContentResolver()
|
|
.query(RecentsProvider.buildResume(packageName), null, null, null, null);
|
|
try {
|
|
if (cursor.moveToFirst()) {
|
|
mExternal = cursor.getInt(cursor.getColumnIndex(ResumeColumns.EXTERNAL)) != 0;
|
|
final byte[] rawStack = cursor.getBlob(
|
|
cursor.getColumnIndex(ResumeColumns.STACK));
|
|
DurableUtils.readFromArray(rawStack, mState.stack);
|
|
mRestoredStack = true;
|
|
}
|
|
} catch (IOException e) {
|
|
Log.w(mTag, "Failed to resume: " + e);
|
|
} finally {
|
|
IoUtils.closeQuietly(cursor);
|
|
}
|
|
|
|
if (mRestoredStack) {
|
|
// Update the restored stack to ensure we have freshest data
|
|
final Collection<RootInfo> matchingRoots = roots.getMatchingRootsBlocking(mState);
|
|
try {
|
|
mState.stack.updateRoot(matchingRoots);
|
|
mState.stack.updateDocuments(getContentResolver());
|
|
} catch (FileNotFoundException e) {
|
|
Log.w(mTag, "Failed to restore stack: " + e);
|
|
mState.stack.reset();
|
|
mRestoredStack = false;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(Void result) {
|
|
if (isDestroyed()) return;
|
|
mState.restored = true;
|
|
refreshCurrentRootAndDirectory(ANIM_NONE);
|
|
onStackRestored(mRestoredStack, mExternal);
|
|
}
|
|
}
|
|
|
|
final class RestoreRootTask extends AsyncTask<Void, Void, RootInfo> {
|
|
private Uri mRootUri;
|
|
|
|
public RestoreRootTask(Uri rootUri) {
|
|
mRootUri = rootUri;
|
|
}
|
|
|
|
@Override
|
|
protected RootInfo doInBackground(Void... params) {
|
|
final String rootId = DocumentsContract.getRootId(mRootUri);
|
|
return mRoots.getRootOneshot(mRootUri.getAuthority(), rootId);
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(RootInfo root) {
|
|
if (isDestroyed()) return;
|
|
mState.restored = true;
|
|
|
|
if (root != null) {
|
|
onRootPicked(root);
|
|
} else {
|
|
Log.w(mTag, "Failed to find root: " + mRootUri);
|
|
finish();
|
|
}
|
|
}
|
|
}
|
|
|
|
final class HandleRootsChangedTask extends AsyncTask<RootInfo, Void, RootInfo> {
|
|
DocumentInfo mHome;
|
|
|
|
@Override
|
|
protected RootInfo doInBackground(RootInfo... roots) {
|
|
checkArgument(roots.length == 1);
|
|
final RootInfo currentRoot = roots[0];
|
|
final Collection<RootInfo> cachedRoots = mRoots.getRootsBlocking();
|
|
RootInfo homeRoot = null;
|
|
for (final RootInfo root : cachedRoots) {
|
|
if (root.isHome()) {
|
|
homeRoot = root;
|
|
}
|
|
if (root.getUri().equals(currentRoot.getUri())) {
|
|
// We don't need to change the current root as the current root was not removed.
|
|
return null;
|
|
}
|
|
}
|
|
Preconditions.checkNotNull(homeRoot);
|
|
mHome = getRootDocumentBlocking(homeRoot);
|
|
return homeRoot;
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(RootInfo homeRoot) {
|
|
if (homeRoot != null && mHome != null && !isDestroyed()) {
|
|
// Clear entire backstack and start in new root
|
|
mState.onRootChanged(homeRoot);
|
|
mSearchManager.update(homeRoot);
|
|
openContainerDocument(mHome);
|
|
}
|
|
}
|
|
}
|
|
|
|
final class ItemSelectedListener implements OnItemSelectedListener {
|
|
|
|
boolean mIgnoreNextNavigation;
|
|
|
|
@Override
|
|
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
|
|
if (mIgnoreNextNavigation) {
|
|
mIgnoreNextNavigation = false;
|
|
return;
|
|
}
|
|
|
|
while (mState.stack.size() > position + 1) {
|
|
mState.popDocument();
|
|
}
|
|
refreshCurrentRootAndDirectory(ANIM_UP);
|
|
}
|
|
|
|
@Override
|
|
public void onNothingSelected(AdapterView<?> parent) {
|
|
// Ignored
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class providing toolbar with runtime access to useful activity data.
|
|
*/
|
|
final class StackAdapter extends BaseAdapter {
|
|
@Override
|
|
public int getCount() {
|
|
return mState.stack.size();
|
|
}
|
|
|
|
@Override
|
|
public DocumentInfo getItem(int position) {
|
|
return mState.stack.get(mState.stack.size() - position - 1);
|
|
}
|
|
|
|
@Override
|
|
public long getItemId(int position) {
|
|
return position;
|
|
}
|
|
|
|
@Override
|
|
public View getView(int position, View convertView, ViewGroup parent) {
|
|
if (convertView == null) {
|
|
convertView = LayoutInflater.from(parent.getContext())
|
|
.inflate(R.layout.item_subdir_title, parent, false);
|
|
}
|
|
|
|
final TextView title = (TextView) convertView.findViewById(android.R.id.title);
|
|
final DocumentInfo doc = getItem(position);
|
|
|
|
if (position == 0) {
|
|
final RootInfo root = getCurrentRoot();
|
|
title.setText(root.title);
|
|
} else {
|
|
title.setText(doc.displayName);
|
|
}
|
|
|
|
return convertView;
|
|
}
|
|
|
|
@Override
|
|
public View getDropDownView(int position, View convertView, ViewGroup parent) {
|
|
if (convertView == null) {
|
|
convertView = LayoutInflater.from(parent.getContext())
|
|
.inflate(R.layout.item_subdir, parent, false);
|
|
}
|
|
|
|
final ImageView subdir = (ImageView) convertView.findViewById(R.id.subdir);
|
|
final TextView title = (TextView) convertView.findViewById(android.R.id.title);
|
|
final DocumentInfo doc = getItem(position);
|
|
|
|
if (position == 0) {
|
|
final RootInfo root = getCurrentRoot();
|
|
title.setText(root.title);
|
|
subdir.setVisibility(View.GONE);
|
|
} else {
|
|
title.setText(doc.displayName);
|
|
subdir.setVisibility(View.VISIBLE);
|
|
}
|
|
|
|
return convertView;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Interface providing access to current view of documents
|
|
* even when all documents are not homed to the same parent.
|
|
*/
|
|
public interface SiblingProvider {
|
|
/**
|
|
* Returns the cursor for the selected document. The cursor can be used to retrieve
|
|
* details about a document and its siblings.
|
|
* @return
|
|
*/
|
|
Cursor getCursor();
|
|
}
|
|
}
|