488 lines
18 KiB
Java
488 lines
18 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.OperationDialogFragment.DIALOG_TYPE_UNKNOWN;
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import static com.android.documentsui.Shared.DEBUG;
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import android.app.Activity;
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import android.app.FragmentManager;
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import android.content.ActivityNotFoundException;
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import android.content.ClipData;
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import android.content.ContentResolver;
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import android.content.ContentValues;
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import android.content.Intent;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Parcelable;
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import android.provider.DocumentsContract;
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import android.support.design.widget.Snackbar;
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import android.util.Log;
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import android.view.KeyEvent;
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import android.view.Menu;
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import android.view.MenuItem;
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import com.android.documentsui.OperationDialogFragment.DialogType;
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import com.android.documentsui.RecentsProvider.ResumeColumns;
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import com.android.documentsui.dirlist.AnimationView;
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import com.android.documentsui.dirlist.DirectoryFragment;
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import com.android.documentsui.dirlist.Model;
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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.documentsui.services.FileOperationService;
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import java.io.FileNotFoundException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.List;
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/**
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* Standalone file management activity.
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*/
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public class FilesActivity extends BaseActivity {
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public static final String TAG = "FilesActivity";
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// See comments where this const is referenced for details.
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private static final int DRAWER_NO_FIDDLE_DELAY = 1500;
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// Track the time we opened the drawer in response to back being pressed.
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// We use the time gap to figure out whether to close app or reopen the drawer.
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private long mDrawerLastFiddled;
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private DocumentClipper mClipper;
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public FilesActivity() {
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super(R.layout.files_activity, 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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mClipper = new DocumentClipper(this);
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RootsFragment.show(getFragmentManager(), null);
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final Intent intent = getIntent();
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final Uri uri = intent.getData();
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if (mState.restored) {
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if (DEBUG) Log.d(TAG, "Stack already resolved for uri: " + intent.getData());
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} else if (!mState.stack.isEmpty()) {
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// If a non-empty stack is present in our state it was read (presumably)
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// from EXTRA_STACK intent extra. In this case, we'll skip other means of
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// loading or restoring the stack.
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//
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// When restoring from a stack, if a URI is present, it should only ever
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// be a launch URI, or a fake Uri from notifications.
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// Launch URIs support sensible activity management, but don't specify a real
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// content target.
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if (DEBUG) Log.d(TAG, "Launching with non-empty stack.");
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assert(uri == null || uri.getAuthority() == null ||
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LauncherActivity.isLaunchUri(uri));
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refreshCurrentRootAndDirectory(AnimationView.ANIM_NONE);
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} else if (intent.getAction() == Intent.ACTION_VIEW) {
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assert(uri != null);
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new OpenUriForViewTask(this).executeOnExecutor(
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ProviderExecutor.forAuthority(uri.getAuthority()), uri);
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} else if (DocumentsContract.isRootUri(this, uri)) {
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if (DEBUG) Log.d(TAG, "Launching with root URI.");
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// If we've got a specific root to display, restore that root using a dedicated
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// authority. That way a misbehaving provider won't result in an ANR.
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loadRoot(uri);
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} else {
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if (DEBUG) Log.d(TAG, "All other means skipped. Launching into default directory.");
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loadRoot(getDefaultRoot());
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}
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final @DialogType int dialogType = intent.getIntExtra(
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FileOperationService.EXTRA_DIALOG_TYPE, DIALOG_TYPE_UNKNOWN);
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// DialogFragment takes care of restoring the dialog on configuration change.
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// Only show it manually for the first time (icicle is null).
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if (icicle == null && dialogType != DIALOG_TYPE_UNKNOWN) {
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final int opType = intent.getIntExtra(
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FileOperationService.EXTRA_OPERATION,
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FileOperationService.OPERATION_COPY);
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final ArrayList<DocumentInfo> srcList =
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intent.getParcelableArrayListExtra(FileOperationService.EXTRA_SRC_LIST);
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OperationDialogFragment.show(
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getFragmentManager(),
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dialogType,
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srcList,
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mState.stack,
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opType);
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}
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}
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@Override
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void includeState(State state) {
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final Intent intent = getIntent();
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state.action = State.ACTION_BROWSE;
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state.allowMultiple = true;
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// Options specific to the DocumentsActivity.
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assert(!intent.hasExtra(Intent.EXTRA_LOCAL_ONLY));
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final DocumentStack stack = intent.getParcelableExtra(Shared.EXTRA_STACK);
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if (stack != null) {
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state.stack = stack;
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}
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}
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@Override
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protected void onPostCreate(Bundle savedInstanceState) {
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super.onPostCreate(savedInstanceState);
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// This check avoids a flicker from "Recents" to "Home".
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// Only update action bar at this point if there is an active
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// serach. Why? Because this avoid an early (undesired) load of
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// the recents root...which is the default root in other activities.
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// In Files app "Home" is the default, but it is loaded async.
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// update will be called once Home root is loaded.
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// Except while searching we need this call to ensure the
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// search bits get layed out correctly.
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if (mSearchManager.isSearching()) {
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mNavigator.update();
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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final RootInfo root = getCurrentRoot();
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// If we're browsing a specific root, and that root went away, then we
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// have no reason to hang around.
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// TODO: Rather than just disappearing, maybe we should inform
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// the user what has happened, let them close us. Less surprising.
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if (mRoots.getRootBlocking(root.authority, root.rootId) == null) {
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finish();
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}
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}
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@Override
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public String getDrawerTitle() {
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Intent intent = getIntent();
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return (intent != null && intent.hasExtra(Intent.EXTRA_TITLE))
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? intent.getStringExtra(Intent.EXTRA_TITLE)
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: getTitle().toString();
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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 MenuItem createDir = menu.findItem(R.id.menu_create_dir);
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final MenuItem pasteFromCb = menu.findItem(R.id.menu_paste_from_clipboard);
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final MenuItem settings = menu.findItem(R.id.menu_settings);
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final MenuItem newWindow = menu.findItem(R.id.menu_new_window);
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createDir.setVisible(true);
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createDir.setEnabled(canCreateDirectory());
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pasteFromCb.setEnabled(mClipper.hasItemsToPaste());
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settings.setVisible(root.hasSettings());
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newWindow.setVisible(true);
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Menus.disableHiddenItems(menu, pasteFromCb);
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// It hides icon if searching in progress
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mSearchManager.updateMenu();
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return true;
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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 R.id.menu_create_dir:
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assert(canCreateDirectory());
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showCreateDirectoryDialog();
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break;
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case R.id.menu_new_window:
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createNewWindow();
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break;
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case R.id.menu_paste_from_clipboard:
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DirectoryFragment dir = getDirectoryFragment();
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if (dir != null) {
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dir.pasteFromClipboard();
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}
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break;
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default:
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return super.onOptionsItemSelected(item);
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}
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return true;
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}
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private void createNewWindow() {
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Metrics.logUserAction(this, Metrics.USER_ACTION_NEW_WINDOW);
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Intent intent = LauncherActivity.createLaunchIntent(this);
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intent.putExtra(Shared.EXTRA_STACK, (Parcelable) mState.stack);
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// With new multi-window mode we have to pick how we are launched.
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// By default we'd be launched in-place above the existing app.
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// By setting launch-to-side ActivityManager will open us to side.
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if (isInMultiWindowMode()) {
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intent.addFlags(Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT);
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}
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startActivity(intent);
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}
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@Override
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void refreshDirectory(int anim) {
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final FragmentManager fm = getFragmentManager();
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final RootInfo root = getCurrentRoot();
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final DocumentInfo cwd = getCurrentDirectory();
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assert(!mSearchManager.isSearching());
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if (cwd == null) {
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DirectoryFragment.showRecentsOpen(fm, anim);
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} else {
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// Normal boring directory
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DirectoryFragment.showDirectory(fm, root, cwd, anim);
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}
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}
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@Override
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void onRootPicked(RootInfo root) {
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super.onRootPicked(root);
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mDrawer.setOpen(false);
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}
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@Override
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public void onDocumentsPicked(List<DocumentInfo> docs) {
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throw new UnsupportedOperationException();
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}
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@Override
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public void onDocumentPicked(DocumentInfo doc, Model model) {
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if (doc.isContainer()) {
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openContainerDocument(doc);
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} else {
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openDocument(doc, model);
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}
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}
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/**
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* Launches an intent to view the specified document.
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*/
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private void openDocument(DocumentInfo doc, Model model) {
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// Anything on downloads goes through the back through downloads manager
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// (that's the MANAGE_DOCUMENT bit).
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// This is done for two reasons:
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// 1) The file in question might be a failed/queued or otherwise have some
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// specialized download handling.
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// 2) For APKs, the download manager will add on some important security stuff
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// like origin URL.
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// All other files not on downloads, event APKs, would get no benefit from this
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// treatment, thusly the "isDownloads" check.
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if (getCurrentRoot().isDownloads()) {
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// First try managing the document; we expect manager to filter
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// based on authority, so we don't grant.
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final Intent manage = new Intent(DocumentsContract.ACTION_MANAGE_DOCUMENT);
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manage.setData(doc.derivedUri);
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try {
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startActivity(manage);
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return;
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} catch (ActivityNotFoundException ex) {
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// fall back to regular handling below.
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}
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}
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Intent intent = new QuickViewIntentBuilder(
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getPackageManager(), getResources(), doc, model).build();
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if (intent != null) {
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// TODO: un-work around issue b/24963914. Should be fixed soon.
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try {
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startActivity(intent);
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return;
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} catch (SecurityException e) {
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// Carry on to regular view mode.
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Log.e(TAG, "Caught security error: " + e.getLocalizedMessage());
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}
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}
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// Fall back to traditional VIEW action...
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intent = new Intent(Intent.ACTION_VIEW);
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intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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intent.setData(doc.derivedUri);
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if (DEBUG && intent.getClipData() != null) {
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Log.d(TAG, "Starting intent w/ clip data: " + intent.getClipData());
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}
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try {
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startActivity(intent);
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} catch (ActivityNotFoundException e) {
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Snackbars.makeSnackbar(
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this, R.string.toast_no_application, Snackbar.LENGTH_SHORT).show();
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}
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}
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@Override
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public boolean onKeyShortcut(int keyCode, KeyEvent event) {
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DirectoryFragment dir;
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// TODO: All key events should be statically bound using alphabeticShortcut.
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// But not working.
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switch (keyCode) {
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case KeyEvent.KEYCODE_A:
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dir = getDirectoryFragment();
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if (dir != null) {
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dir.selectAllFiles();
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}
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return true;
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case KeyEvent.KEYCODE_C:
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dir = getDirectoryFragment();
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if (dir != null) {
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dir.copySelectedToClipboard();
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}
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return true;
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case KeyEvent.KEYCODE_V:
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dir = getDirectoryFragment();
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if (dir != null) {
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dir.pasteFromClipboard();
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}
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return true;
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default:
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return super.onKeyShortcut(keyCode, event);
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}
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}
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// Do some "do what a I want" drawer fiddling, but don't
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// do it if user already hit back recently and we recently
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// did some fiddling.
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@Override
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boolean onBeforePopDir() {
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int size = mState.stack.size();
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if (mDrawer.isPresent()
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&& (System.currentTimeMillis() - mDrawerLastFiddled) > DRAWER_NO_FIDDLE_DELAY) {
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// Close drawer if it is open.
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if (mDrawer.isOpen()) {
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mDrawer.setOpen(false);
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mDrawerLastFiddled = System.currentTimeMillis();
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return true;
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}
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// Open the Close drawer if it is closed and we're at the top of a root.
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if (size <= 1) {
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mDrawer.setOpen(true);
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// Remember so we don't just close it again if back is pressed again.
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mDrawerLastFiddled = System.currentTimeMillis();
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return true;
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}
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}
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return false;
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}
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// Turns out only DocumentsActivity was ever calling saveStackBlocking.
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// There may be a case where we want to contribute entries from
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// Behavior here in FilesActivity, but it isn't yet obvious.
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// TODO: Contribute to recents, or remove this.
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void writeStackToRecentsBlocking() {
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final ContentResolver resolver = getContentResolver();
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final ContentValues values = new ContentValues();
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final byte[] rawStack = DurableUtils.writeToArrayOrNull(mState.stack);
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// Remember location for next app launch
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final String packageName = getCallingPackageMaybeExtra();
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values.clear();
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values.put(ResumeColumns.STACK, rawStack);
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values.put(ResumeColumns.EXTERNAL, 0);
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resolver.insert(RecentsProvider.buildResume(packageName), values);
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}
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@Override
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void onTaskFinished(Uri... uris) {
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if (DEBUG) Log.d(TAG, "onFinished() " + Arrays.toString(uris));
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final Intent intent = new Intent();
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if (uris.length == 1) {
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intent.setData(uris[0]);
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} else if (uris.length > 1) {
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final ClipData clipData = new ClipData(
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null, mState.acceptMimes, new ClipData.Item(uris[0]));
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for (int i = 1; i < uris.length; i++) {
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clipData.addItem(new ClipData.Item(uris[i]));
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}
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intent.setClipData(clipData);
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}
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intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION
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| Intent.FLAG_GRANT_WRITE_URI_PERMISSION
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| Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);
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setResult(Activity.RESULT_OK, intent);
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finish();
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}
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/**
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* Builds a stack for the specific Uris. Multi roots are not supported, as it's impossible
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* to know which root to select. Also, the stack doesn't contain intermediate directories.
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* It's primarly used for opening ZIP archives from Downloads app.
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*/
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private static final class OpenUriForViewTask extends PairedTask<FilesActivity, Uri, Void> {
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private final State mState;
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public OpenUriForViewTask(FilesActivity activity) {
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super(activity);
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mState = activity.mState;
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}
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@Override
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protected Void run(Uri... params) {
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final Uri uri = params[0];
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final RootsCache rootsCache = DocumentsApplication.getRootsCache(mOwner);
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final String authority = uri.getAuthority();
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final Collection<RootInfo> roots =
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rootsCache.getRootsForAuthorityBlocking(authority);
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if (roots.isEmpty()) {
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Log.e(TAG, "Failed to find root for the requested Uri: " + uri);
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return null;
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}
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final RootInfo root = roots.iterator().next();
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mState.stack.root = root;
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try {
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mState.stack.add(DocumentInfo.fromUri(mOwner.getContentResolver(), uri));
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} catch (FileNotFoundException e) {
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Log.e(TAG, "Failed to resolve DocumentInfo from Uri: " + uri);
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}
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mState.stack.add(mOwner.getRootDocumentBlocking(root));
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return null;
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}
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@Override
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protected void finish(Void result) {
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mOwner.refreshCurrentRootAndDirectory(AnimationView.ANIM_NONE);
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}
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}
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}
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