614 lines
22 KiB
Java
614 lines
22 KiB
Java
/*
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* Copyright (C) 2013 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.DirectoryFragment.ANIM_NONE;
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import static com.android.documentsui.State.ACTION_CREATE;
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import static com.android.documentsui.State.ACTION_GET_CONTENT;
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import static com.android.documentsui.State.ACTION_OPEN;
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import static com.android.documentsui.State.ACTION_OPEN_COPY_DESTINATION;
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import static com.android.documentsui.State.ACTION_OPEN_TREE;
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import android.app.Activity;
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import android.app.Fragment;
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import android.app.FragmentManager;
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import android.content.ClipData;
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import android.content.ComponentName;
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import android.content.ContentProviderClient;
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import android.content.ContentResolver;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.ResolveInfo;
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import android.content.res.Resources;
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import android.graphics.Point;
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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.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.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.WindowManager;
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import android.widget.BaseAdapter;
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import android.widget.Spinner;
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import android.widget.Toolbar;
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import com.android.documentsui.RecentsProvider.RecentColumns;
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import com.android.documentsui.RecentsProvider.ResumeColumns;
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import com.android.documentsui.model.DocumentInfo;
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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 java.util.Arrays;
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import java.util.List;
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public class DocumentsActivity extends BaseActivity {
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private static final int CODE_FORWARD = 42;
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private static final String TAG = "DocumentsActivity";
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private boolean mShowAsDialog;
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private Toolbar mToolbar;
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private Spinner mToolbarStack;
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private Toolbar mRootsToolbar;
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private ItemSelectedListener mStackListener;
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private BaseAdapter mStackAdapter;
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public DocumentsActivity() {
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super(R.layout.docs_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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final Resources res = getResources();
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mShowAsDialog = res.getBoolean(R.bool.show_as_dialog);
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if (!mShowAsDialog) {
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setTheme(R.style.DocumentsFullScreenTheme);
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}
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if (mShowAsDialog) {
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mDrawer = DrawerController.createDummy();
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// Strongly define our horizontal dimension; we leave vertical as
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// WRAP_CONTENT so that system resizes us when IME is showing.
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final WindowManager.LayoutParams a = getWindow().getAttributes();
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final Point size = new Point();
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getWindowManager().getDefaultDisplay().getSize(size);
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a.width = (int) res.getFraction(R.dimen.dialog_width, size.x, size.x);
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getWindow().setAttributes(a);
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} else {
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mDrawer = DrawerController.create(this);
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}
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mToolbar = (Toolbar) findViewById(R.id.toolbar);
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mStackAdapter = new StackAdapter();
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mStackListener = new ItemSelectedListener();
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mToolbarStack = (Spinner) findViewById(R.id.stack);
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mToolbarStack.setOnItemSelectedListener(mStackListener);
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mRootsToolbar = (Toolbar) findViewById(R.id.roots_toolbar);
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setActionBar(mToolbar);
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if (mState.action == ACTION_CREATE) {
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final String mimeType = getIntent().getType();
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final String title = getIntent().getStringExtra(Intent.EXTRA_TITLE);
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SaveFragment.show(getFragmentManager(), mimeType, title);
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} else if (mState.action == ACTION_OPEN_TREE ||
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mState.action == ACTION_OPEN_COPY_DESTINATION) {
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PickFragment.show(getFragmentManager());
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}
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if (mState.action == ACTION_GET_CONTENT) {
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final Intent moreApps = new Intent(getIntent());
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moreApps.setComponent(null);
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moreApps.setPackage(null);
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RootsFragment.show(getFragmentManager(), moreApps);
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} else if (mState.action == ACTION_OPEN ||
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mState.action == ACTION_CREATE ||
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mState.action == ACTION_OPEN_TREE ||
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mState.action == ACTION_OPEN_COPY_DESTINATION) {
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RootsFragment.show(getFragmentManager(), null);
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}
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if (!mState.restored) {
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// In this case, we set the activity title in AsyncTask.onPostExecute(). To prevent
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// talkback from reading aloud the default title, we clear it here.
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setTitle("");
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new RestoreStackTask().execute();
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} else {
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onCurrentDirectoryChanged(ANIM_NONE);
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}
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}
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@Override
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State buildState() {
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State state = buildDefaultState();
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final Intent intent = getIntent();
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final String action = intent.getAction();
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if (Intent.ACTION_OPEN_DOCUMENT.equals(action)) {
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state.action = ACTION_OPEN;
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} else if (Intent.ACTION_CREATE_DOCUMENT.equals(action)) {
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state.action = ACTION_CREATE;
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} else if (Intent.ACTION_GET_CONTENT.equals(action)) {
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state.action = ACTION_GET_CONTENT;
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} else if (Intent.ACTION_OPEN_DOCUMENT_TREE.equals(action)) {
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state.action = ACTION_OPEN_TREE;
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} else if (DocumentsIntent.ACTION_OPEN_COPY_DESTINATION.equals(action)) {
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state.action = ACTION_OPEN_COPY_DESTINATION;
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}
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if (state.action == ACTION_OPEN || state.action == ACTION_GET_CONTENT) {
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state.allowMultiple = intent.getBooleanExtra(
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Intent.EXTRA_ALLOW_MULTIPLE, false);
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}
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if (state.action == ACTION_OPEN_COPY_DESTINATION) {
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state.directoryCopy = intent.getBooleanExtra(
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BaseActivity.DocumentsIntent.EXTRA_DIRECTORY_COPY, false);
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state.transferMode = intent.getIntExtra(CopyService.EXTRA_TRANSFER_MODE,
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CopyService.TRANSFER_MODE_NONE);
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}
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return state;
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}
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@Override
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void onStackRestored(boolean restored, boolean external) {
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// Show drawer when no stack restored, but only when requesting
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// non-visual content. However, if we last used an external app,
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// drawer is always shown.
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boolean showDrawer = false;
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if (!restored) {
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showDrawer = true;
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}
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if (MimePredicate.mimeMatches(MimePredicate.VISUAL_MIMES, mState.acceptMimes)) {
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showDrawer = false;
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}
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if (external && mState.action == ACTION_GET_CONTENT) {
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showDrawer = true;
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}
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if (showDrawer) {
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setRootsDrawerOpen(true);
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}
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}
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public void onAppPicked(ResolveInfo info) {
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final Intent intent = new Intent(getIntent());
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intent.setFlags(intent.getFlags() & ~Intent.FLAG_ACTIVITY_FORWARD_RESULT);
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intent.setComponent(new ComponentName(
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info.activityInfo.applicationInfo.packageName, info.activityInfo.name));
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startActivityForResult(intent, CODE_FORWARD);
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}
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@Override
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protected void onActivityResult(int requestCode, int resultCode, Intent data) {
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Log.d(TAG, "onActivityResult() code=" + resultCode);
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// Only relay back results when not canceled; otherwise stick around to
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// let the user pick another app/backend.
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if (requestCode == CODE_FORWARD && resultCode != RESULT_CANCELED) {
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// Remember that we last picked via external app
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final String packageName = getCallingPackageMaybeExtra();
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final ContentValues values = new ContentValues();
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values.put(ResumeColumns.EXTERNAL, 1);
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getContentResolver().insert(RecentsProvider.buildResume(packageName), values);
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// Pass back result to original caller
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setResult(resultCode, data);
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finish();
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} else {
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super.onActivityResult(requestCode, resultCode, data);
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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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mDrawer.syncState();
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updateActionBar();
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}
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public void setRootsDrawerOpen(boolean open) {
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mDrawer.setOpen(open);
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}
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@Override
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public void updateActionBar() {
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if (mRootsToolbar != null) {
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final String prompt = getIntent().getStringExtra(DocumentsContract.EXTRA_PROMPT);
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if (prompt != null) {
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mRootsToolbar.setTitle(prompt);
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} else {
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if (mState.action == ACTION_OPEN ||
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mState.action == ACTION_GET_CONTENT ||
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mState.action == ACTION_OPEN_TREE) {
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mRootsToolbar.setTitle(R.string.title_open);
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} else if (mState.action == ACTION_CREATE ||
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mState.action == ACTION_OPEN_COPY_DESTINATION) {
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mRootsToolbar.setTitle(R.string.title_save);
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}
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}
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}
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if (!mShowAsDialog && mDrawer.isUnlocked()) {
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mToolbar.setNavigationIcon(R.drawable.ic_hamburger);
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mToolbar.setNavigationContentDescription(R.string.drawer_open);
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mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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setRootsDrawerOpen(true);
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}
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});
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} else {
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mToolbar.setNavigationIcon(null);
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mToolbar.setNavigationContentDescription(R.string.drawer_open);
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mToolbar.setNavigationOnClickListener(null);
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}
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if (mSearchManager.isExpanded()) {
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mToolbar.setTitle(null);
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mToolbarStack.setVisibility(View.GONE);
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mToolbarStack.setAdapter(null);
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} else {
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if (mState.stack.size() <= 1) {
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mToolbar.setTitle(getCurrentRoot().title);
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mToolbarStack.setVisibility(View.GONE);
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mToolbarStack.setAdapter(null);
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} else {
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mToolbar.setTitle(null);
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mToolbarStack.setVisibility(View.VISIBLE);
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mToolbarStack.setAdapter(mStackAdapter);
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mStackListener.mIgnoreNextNavigation = true;
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mToolbarStack.setSelection(mStackAdapter.getCount() - 1);
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}
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}
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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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// Most actions are visible when showing as dialog
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if (mShowAsDialog) {
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expandMenus(menu);
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}
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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 DocumentInfo cwd = getCurrentDirectory();
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final MenuItem createDir = menu.findItem(R.id.menu_create_dir);
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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 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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boolean recents = cwd == null;
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boolean picking = mState.action == ACTION_CREATE
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|| mState.action == ACTION_OPEN_TREE
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|| mState.action == ACTION_OPEN_COPY_DESTINATION;
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createDir.setVisible(picking && !recents && cwd.isCreateSupported());
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mSearchManager.showMenu(!picking);
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// No display options in recent directories
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grid.setVisible(!(picking && recents));
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list.setVisible(!(picking && recents));
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fileSize.setVisible(fileSize.isVisible() && !picking);
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settings.setVisible(false);
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if (mState.action == ACTION_CREATE) {
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final FragmentManager fm = getFragmentManager();
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SaveFragment.get(fm).prepareForDirectory(cwd);
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}
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Menus.disableHiddenItems(menu);
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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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return mDrawer.onOptionsItemSelected(item) || super.onOptionsItemSelected(item);
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}
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@Override
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void onDirectoryChanged(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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if (cwd == null) {
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// No directory means recents
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if (mState.action == ACTION_CREATE ||
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mState.action == ACTION_OPEN_TREE ||
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mState.action == ACTION_OPEN_COPY_DESTINATION) {
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RecentsCreateFragment.show(fm);
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} else {
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DirectoryFragment.showRecentsOpen(fm, anim);
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// Start recents in grid when requesting visual things
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final boolean visualMimes = MimePredicate.mimeMatches(
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MimePredicate.VISUAL_MIMES, mState.acceptMimes);
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mState.userMode = visualMimes ? State.MODE_GRID : State.MODE_LIST;
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mState.derivedMode = mState.userMode;
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}
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} else {
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if (mState.currentSearch != null) {
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// Ongoing search
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DirectoryFragment.showSearch(fm, root, mState.currentSearch, anim);
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} else {
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// Normal boring directory
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DirectoryFragment.showNormal(fm, root, cwd, anim);
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}
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}
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// Forget any replacement target
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if (mState.action == ACTION_CREATE) {
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final SaveFragment save = SaveFragment.get(fm);
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if (save != null) {
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save.setReplaceTarget(null);
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}
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}
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if (mState.action == ACTION_OPEN_TREE ||
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mState.action == ACTION_OPEN_COPY_DESTINATION) {
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final PickFragment pick = PickFragment.get(fm);
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if (pick != null) {
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pick.setPickTarget(mState.action, mState.transferMode, cwd);
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}
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}
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}
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void onSaveRequested(DocumentInfo replaceTarget) {
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new ExistingFinishTask(replaceTarget.derivedUri).executeOnExecutor(getExecutorForCurrentDirectory());
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}
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void onSaveRequested(String mimeType, String displayName) {
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new CreateFinishTask(mimeType, displayName).executeOnExecutor(getExecutorForCurrentDirectory());
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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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setRootsDrawerOpen(false);
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}
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@Override
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public void onDocumentPicked(DocumentInfo doc, DocumentContext context) {
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final FragmentManager fm = getFragmentManager();
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if (doc.isDirectory()) {
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openDirectory(doc);
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} else if (mState.action == ACTION_OPEN || mState.action == ACTION_GET_CONTENT) {
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// Explicit file picked, return
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new ExistingFinishTask(doc.derivedUri).executeOnExecutor(getExecutorForCurrentDirectory());
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} else if (mState.action == ACTION_CREATE) {
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// Replace selected file
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SaveFragment.get(fm).setReplaceTarget(doc);
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}
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}
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@Override
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public void onDocumentsPicked(List<DocumentInfo> docs) {
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if (mState.action == ACTION_OPEN || mState.action == ACTION_GET_CONTENT) {
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final int size = docs.size();
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final Uri[] uris = new Uri[size];
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for (int i = 0; i < size; i++) {
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uris[i] = docs.get(i).derivedUri;
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}
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new ExistingFinishTask(uris).executeOnExecutor(getExecutorForCurrentDirectory());
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}
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}
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public void onPickRequested(DocumentInfo pickTarget) {
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Uri result;
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if (mState.action == ACTION_OPEN_TREE) {
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result = DocumentsContract.buildTreeDocumentUri(
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pickTarget.authority, pickTarget.documentId);
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} else if (mState.action == ACTION_OPEN_COPY_DESTINATION) {
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result = pickTarget.derivedUri;
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} else {
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// Should not be reached.
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throw new IllegalStateException("Invalid mState.action.");
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}
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new PickFinishTask(result).executeOnExecutor(getExecutorForCurrentDirectory());
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}
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@Override
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void saveStackBlocking() {
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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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if (mState.action == ACTION_CREATE ||
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mState.action == ACTION_OPEN_TREE ||
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mState.action == ACTION_OPEN_COPY_DESTINATION) {
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// Remember stack for last create
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values.clear();
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values.put(RecentColumns.KEY, mState.stack.buildKey());
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values.put(RecentColumns.STACK, rawStack);
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resolver.insert(RecentsProvider.buildRecent(), values);
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}
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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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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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if (mState.action == ACTION_GET_CONTENT) {
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intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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} else if (mState.action == ACTION_OPEN_TREE) {
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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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| Intent.FLAG_GRANT_PREFIX_URI_PERMISSION);
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} else if (mState.action == ACTION_OPEN_COPY_DESTINATION) {
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// Picking a copy destination is only used internally by us, so we
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// don't need to extend permissions to the caller.
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intent.putExtra(Shared.EXTRA_STACK, (Parcelable) mState.stack);
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|
intent.putExtra(CopyService.EXTRA_TRANSFER_MODE, mState.transferMode);
|
|
} else {
|
|
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION
|
|
| Intent.FLAG_GRANT_WRITE_URI_PERMISSION
|
|
| Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);
|
|
}
|
|
|
|
setResult(Activity.RESULT_OK, intent);
|
|
finish();
|
|
}
|
|
|
|
public static DocumentsActivity get(Fragment fragment) {
|
|
return (DocumentsActivity) fragment.getActivity();
|
|
}
|
|
|
|
private final class PickFinishTask extends AsyncTask<Void, Void, Void> {
|
|
private final Uri mUri;
|
|
|
|
public PickFinishTask(Uri uri) {
|
|
mUri = uri;
|
|
}
|
|
|
|
@Override
|
|
protected Void doInBackground(Void... params) {
|
|
saveStackBlocking();
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(Void result) {
|
|
onTaskFinished(mUri);
|
|
}
|
|
}
|
|
|
|
final class ExistingFinishTask extends AsyncTask<Void, Void, Void> {
|
|
private final Uri[] mUris;
|
|
|
|
public ExistingFinishTask(Uri... uris) {
|
|
mUris = uris;
|
|
}
|
|
|
|
@Override
|
|
protected Void doInBackground(Void... params) {
|
|
saveStackBlocking();
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(Void result) {
|
|
onTaskFinished(mUris);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Task that creates a new document in the background.
|
|
*/
|
|
final class CreateFinishTask extends AsyncTask<Void, Void, Uri> {
|
|
private final String mMimeType;
|
|
private final String mDisplayName;
|
|
|
|
public CreateFinishTask(String mimeType, String displayName) {
|
|
mMimeType = mimeType;
|
|
mDisplayName = displayName;
|
|
}
|
|
|
|
@Override
|
|
protected void onPreExecute() {
|
|
setPending(true);
|
|
}
|
|
|
|
@Override
|
|
protected Uri doInBackground(Void... params) {
|
|
final ContentResolver resolver = getContentResolver();
|
|
final DocumentInfo cwd = getCurrentDirectory();
|
|
|
|
ContentProviderClient client = null;
|
|
Uri childUri = null;
|
|
try {
|
|
client = DocumentsApplication.acquireUnstableProviderOrThrow(
|
|
resolver, cwd.derivedUri.getAuthority());
|
|
childUri = DocumentsContract.createDocument(
|
|
client, cwd.derivedUri, mMimeType, mDisplayName);
|
|
} catch (Exception e) {
|
|
Log.w(TAG, "Failed to create document", e);
|
|
} finally {
|
|
ContentProviderClient.releaseQuietly(client);
|
|
}
|
|
|
|
if (childUri != null) {
|
|
saveStackBlocking();
|
|
}
|
|
|
|
return childUri;
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(Uri result) {
|
|
if (result != null) {
|
|
onTaskFinished(result);
|
|
} else {
|
|
Snackbars.makeSnackbar(
|
|
DocumentsActivity.this, R.string.save_error, Snackbar.LENGTH_SHORT).show();
|
|
}
|
|
|
|
setPending(false);
|
|
}
|
|
}
|
|
}
|