| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.documentsui; |
| |
| import static com.android.documentsui.OperationDialogFragment.DIALOG_TYPE_UNKNOWN; |
| import static com.android.documentsui.Shared.DEBUG; |
| |
| import android.app.Activity; |
| import android.app.FragmentManager; |
| import android.content.ActivityNotFoundException; |
| import android.content.ClipData; |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.Parcelable; |
| import android.provider.DocumentsContract; |
| import android.support.design.widget.Snackbar; |
| import android.util.Log; |
| import android.view.KeyEvent; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| |
| import com.android.documentsui.OperationDialogFragment.DialogType; |
| import com.android.documentsui.RecentsProvider.ResumeColumns; |
| import com.android.documentsui.dirlist.AnimationView; |
| import com.android.documentsui.dirlist.DirectoryFragment; |
| import com.android.documentsui.dirlist.Model; |
| import com.android.documentsui.model.DocumentInfo; |
| import com.android.documentsui.model.DocumentStack; |
| import com.android.documentsui.model.DurableUtils; |
| import com.android.documentsui.model.RootInfo; |
| import com.android.documentsui.services.FileOperationService; |
| |
| import java.io.FileNotFoundException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * Standalone file management activity. |
| */ |
| public class FilesActivity extends BaseActivity { |
| |
| public static final String TAG = "FilesActivity"; |
| |
| // See comments where this const is referenced for details. |
| private static final int DRAWER_NO_FIDDLE_DELAY = 1500; |
| |
| // Track the time we opened the drawer in response to back being pressed. |
| // We use the time gap to figure out whether to close app or reopen the drawer. |
| private long mDrawerLastFiddled; |
| private DocumentClipper mClipper; |
| |
| public FilesActivity() { |
| super(R.layout.files_activity, TAG); |
| } |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| |
| mClipper = new DocumentClipper(this); |
| |
| RootsFragment.show(getFragmentManager(), null); |
| |
| final Intent intent = getIntent(); |
| final Uri uri = intent.getData(); |
| |
| if (mState.restored) { |
| if (DEBUG) Log.d(TAG, "Stack already resolved for uri: " + intent.getData()); |
| } else if (!mState.stack.isEmpty()) { |
| // If a non-empty stack is present in our state, it was read (presumably) |
| // from EXTRA_STACK intent extra. In this case, we'll skip other means of |
| // loading or restoring the stack (like URI). |
| // |
| // When restoring from a stack, if a URI is present, it should only ever be: |
| // -- a launch URI: Launch URIs support sensible activity management, |
| // but don't specify a real content target) |
| // -- a fake Uri from notifications. These URIs have no authority (TODO: details). |
| // |
| // Any other URI is *sorta* unexpected...except when browsing an archive |
| // in downloads. |
| if(uri != null |
| && uri.getAuthority() != null |
| && !uri.equals(mState.stack.peek()) |
| && !LauncherActivity.isLaunchUri(uri)) { |
| if (DEBUG) Log.w(TAG, |
| "Launching with non-empty stack. Ignoring unexpected uri: " + uri); |
| } else { |
| if (DEBUG) Log.d(TAG, "Launching with non-empty stack."); |
| } |
| refreshCurrentRootAndDirectory(AnimationView.ANIM_NONE); |
| } else if (Intent.ACTION_VIEW.equals(intent.getAction())) { |
| assert(uri != null); |
| new OpenUriForViewTask(this).executeOnExecutor( |
| ProviderExecutor.forAuthority(uri.getAuthority()), uri); |
| } else if (DocumentsContract.isRootUri(this, uri)) { |
| if (DEBUG) Log.d(TAG, "Launching with root URI."); |
| // If we've got a specific root to display, restore that root using a dedicated |
| // authority. That way a misbehaving provider won't result in an ANR. |
| loadRoot(uri); |
| } else { |
| if (DEBUG) Log.d(TAG, "All other means skipped. Launching into default directory."); |
| loadRoot(getDefaultRoot()); |
| } |
| |
| final @DialogType int dialogType = intent.getIntExtra( |
| FileOperationService.EXTRA_DIALOG_TYPE, DIALOG_TYPE_UNKNOWN); |
| // DialogFragment takes care of restoring the dialog on configuration change. |
| // Only show it manually for the first time (icicle is null). |
| if (icicle == null && dialogType != DIALOG_TYPE_UNKNOWN) { |
| final int opType = intent.getIntExtra( |
| FileOperationService.EXTRA_OPERATION, |
| FileOperationService.OPERATION_COPY); |
| final ArrayList<DocumentInfo> srcList = |
| intent.getParcelableArrayListExtra(FileOperationService.EXTRA_SRC_LIST); |
| OperationDialogFragment.show( |
| getFragmentManager(), |
| dialogType, |
| srcList, |
| mState.stack, |
| opType); |
| } |
| } |
| |
| @Override |
| void includeState(State state) { |
| final Intent intent = getIntent(); |
| |
| state.action = State.ACTION_BROWSE; |
| state.allowMultiple = true; |
| |
| // Options specific to the DocumentsActivity. |
| assert(!intent.hasExtra(Intent.EXTRA_LOCAL_ONLY)); |
| |
| final DocumentStack stack = intent.getParcelableExtra(Shared.EXTRA_STACK); |
| if (stack != null) { |
| state.stack = stack; |
| } |
| } |
| |
| @Override |
| protected void onPostCreate(Bundle savedInstanceState) { |
| super.onPostCreate(savedInstanceState); |
| // This check avoids a flicker from "Recents" to "Home". |
| // Only update action bar at this point if there is an active |
| // serach. Why? Because this avoid an early (undesired) load of |
| // the recents root...which is the default root in other activities. |
| // In Files app "Home" is the default, but it is loaded async. |
| // update will be called once Home root is loaded. |
| // Except while searching we need this call to ensure the |
| // search bits get layed out correctly. |
| if (mSearchManager.isSearching()) { |
| mNavigator.update(); |
| } |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| |
| final RootInfo root = getCurrentRoot(); |
| |
| // If we're browsing a specific root, and that root went away, then we |
| // have no reason to hang around. |
| // TODO: Rather than just disappearing, maybe we should inform |
| // the user what has happened, let them close us. Less surprising. |
| if (mRoots.getRootBlocking(root.authority, root.rootId) == null) { |
| finish(); |
| } |
| } |
| |
| @Override |
| public String getDrawerTitle() { |
| Intent intent = getIntent(); |
| return (intent != null && intent.hasExtra(Intent.EXTRA_TITLE)) |
| ? intent.getStringExtra(Intent.EXTRA_TITLE) |
| : getTitle().toString(); |
| } |
| |
| @Override |
| public boolean onPrepareOptionsMenu(Menu menu) { |
| super.onPrepareOptionsMenu(menu); |
| |
| final RootInfo root = getCurrentRoot(); |
| |
| final MenuItem createDir = menu.findItem(R.id.menu_create_dir); |
| final MenuItem pasteFromCb = menu.findItem(R.id.menu_paste_from_clipboard); |
| final MenuItem settings = menu.findItem(R.id.menu_settings); |
| final MenuItem newWindow = menu.findItem(R.id.menu_new_window); |
| |
| createDir.setVisible(true); |
| createDir.setEnabled(canCreateDirectory()); |
| pasteFromCb.setEnabled(mClipper.hasItemsToPaste()); |
| settings.setVisible(root.hasSettings()); |
| newWindow.setVisible(Shared.shouldShowFancyFeatures(this)); |
| |
| Menus.disableHiddenItems(menu, pasteFromCb); |
| // It hides icon if searching in progress |
| mSearchManager.updateMenu(); |
| return true; |
| } |
| |
| @Override |
| public boolean onOptionsItemSelected(MenuItem item) { |
| switch (item.getItemId()) { |
| case R.id.menu_create_dir: |
| assert(canCreateDirectory()); |
| showCreateDirectoryDialog(); |
| break; |
| case R.id.menu_new_window: |
| createNewWindow(); |
| break; |
| case R.id.menu_paste_from_clipboard: |
| DirectoryFragment dir = getDirectoryFragment(); |
| if (dir != null) { |
| dir.pasteFromClipboard(); |
| } |
| break; |
| default: |
| return super.onOptionsItemSelected(item); |
| } |
| return true; |
| } |
| |
| private void createNewWindow() { |
| Metrics.logUserAction(this, Metrics.USER_ACTION_NEW_WINDOW); |
| |
| Intent intent = LauncherActivity.createLaunchIntent(this); |
| intent.putExtra(Shared.EXTRA_STACK, (Parcelable) mState.stack); |
| |
| // With new multi-window mode we have to pick how we are launched. |
| // By default we'd be launched in-place above the existing app. |
| // By setting launch-to-side ActivityManager will open us to side. |
| if (isInMultiWindowMode()) { |
| intent.addFlags(Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT); |
| } |
| |
| startActivity(intent); |
| } |
| |
| @Override |
| void refreshDirectory(int anim) { |
| final FragmentManager fm = getFragmentManager(); |
| final RootInfo root = getCurrentRoot(); |
| final DocumentInfo cwd = getCurrentDirectory(); |
| |
| assert(!mSearchManager.isSearching()); |
| |
| if (cwd == null) { |
| DirectoryFragment.showRecentsOpen(fm, anim); |
| } else { |
| // Normal boring directory |
| DirectoryFragment.showDirectory(fm, root, cwd, anim); |
| } |
| } |
| |
| @Override |
| void onRootPicked(RootInfo root) { |
| super.onRootPicked(root); |
| mDrawer.setOpen(false); |
| } |
| |
| @Override |
| public void onDocumentsPicked(List<DocumentInfo> docs) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void onDocumentPicked(DocumentInfo doc, Model model) { |
| // Anything on downloads goes through the back through downloads manager |
| // (that's the MANAGE_DOCUMENT bit). |
| // This is done for two reasons: |
| // 1) The file in question might be a failed/queued or otherwise have some |
| // specialized download handling. |
| // 2) For APKs, the download manager will add on some important security stuff |
| // like origin URL. |
| // All other files not on downloads, event APKs, would get no benefit from this |
| // treatment, thusly the "isDownloads" check. |
| |
| // Launch MANAGE_DOCUMENTS only for the root level files, so it's not called for |
| // files in archives. Also, if the activity is already browsing a ZIP from downloads, |
| // then skip MANAGE_DOCUMENTS. |
| final boolean isViewing = Intent.ACTION_VIEW.equals(getIntent().getAction()); |
| final boolean isInArchive = mState.stack.size() > 1; |
| if (getCurrentRoot().isDownloads() && !isInArchive && !isViewing) { |
| // First try managing the document; we expect manager to filter |
| // based on authority, so we don't grant. |
| final Intent manage = new Intent(DocumentsContract.ACTION_MANAGE_DOCUMENT); |
| manage.setData(doc.derivedUri); |
| |
| try { |
| startActivity(manage); |
| return; |
| } catch (ActivityNotFoundException ex) { |
| // fall back to regular handling below. |
| } |
| } |
| |
| if (doc.isContainer()) { |
| openContainerDocument(doc); |
| } else { |
| openDocument(doc, model); |
| } |
| } |
| |
| /** |
| * Launches an intent to view the specified document. |
| */ |
| private void openDocument(DocumentInfo doc, Model model) { |
| Intent intent = new QuickViewIntentBuilder( |
| getPackageManager(), getResources(), doc, model).build(); |
| |
| if (intent != null) { |
| // TODO: un-work around issue b/24963914. Should be fixed soon. |
| try { |
| startActivity(intent); |
| return; |
| } catch (SecurityException e) { |
| // Carry on to regular view mode. |
| Log.e(TAG, "Caught security error: " + e.getLocalizedMessage()); |
| } |
| } |
| |
| // Fall back to traditional VIEW action... |
| intent = new Intent(Intent.ACTION_VIEW); |
| intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| intent.setData(doc.derivedUri); |
| |
| if (DEBUG && intent.getClipData() != null) { |
| Log.d(TAG, "Starting intent w/ clip data: " + intent.getClipData()); |
| } |
| |
| try { |
| startActivity(intent); |
| } catch (ActivityNotFoundException e) { |
| Snackbars.makeSnackbar( |
| this, R.string.toast_no_application, Snackbar.LENGTH_SHORT).show(); |
| } |
| } |
| |
| @Override |
| public boolean onKeyShortcut(int keyCode, KeyEvent event) { |
| DirectoryFragment dir; |
| // TODO: All key events should be statically bound using alphabeticShortcut. |
| // But not working. |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_A: |
| dir = getDirectoryFragment(); |
| if (dir != null) { |
| dir.selectAllFiles(); |
| } |
| return true; |
| case KeyEvent.KEYCODE_C: |
| dir = getDirectoryFragment(); |
| if (dir != null) { |
| dir.copySelectedToClipboard(); |
| } |
| return true; |
| case KeyEvent.KEYCODE_V: |
| dir = getDirectoryFragment(); |
| if (dir != null) { |
| dir.pasteFromClipboard(); |
| } |
| return true; |
| default: |
| return super.onKeyShortcut(keyCode, event); |
| } |
| } |
| |
| // Do some "do what a I want" drawer fiddling, but don't |
| // do it if user already hit back recently and we recently |
| // did some fiddling. |
| @Override |
| boolean onBeforePopDir() { |
| int size = mState.stack.size(); |
| |
| if (mDrawer.isPresent() |
| && (System.currentTimeMillis() - mDrawerLastFiddled) > DRAWER_NO_FIDDLE_DELAY) { |
| // Close drawer if it is open. |
| if (mDrawer.isOpen()) { |
| mDrawer.setOpen(false); |
| mDrawerLastFiddled = System.currentTimeMillis(); |
| return true; |
| } |
| |
| // Open the Close drawer if it is closed and we're at the top of a root. |
| if (size <= 1) { |
| mDrawer.setOpen(true); |
| // Remember so we don't just close it again if back is pressed again. |
| mDrawerLastFiddled = System.currentTimeMillis(); |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| // Turns out only DocumentsActivity was ever calling saveStackBlocking. |
| // There may be a case where we want to contribute entries from |
| // Behavior here in FilesActivity, but it isn't yet obvious. |
| // TODO: Contribute to recents, or remove this. |
| void writeStackToRecentsBlocking() { |
| final ContentResolver resolver = getContentResolver(); |
| final ContentValues values = new ContentValues(); |
| |
| final byte[] rawStack = DurableUtils.writeToArrayOrNull(mState.stack); |
| |
| // Remember location for next app launch |
| final String packageName = getCallingPackageMaybeExtra(); |
| values.clear(); |
| values.put(ResumeColumns.STACK, rawStack); |
| values.put(ResumeColumns.EXTERNAL, 0); |
| resolver.insert(RecentsProvider.buildResume(packageName), values); |
| } |
| |
| @Override |
| void onTaskFinished(Uri... uris) { |
| if (DEBUG) Log.d(TAG, "onFinished() " + Arrays.toString(uris)); |
| |
| final Intent intent = new Intent(); |
| if (uris.length == 1) { |
| intent.setData(uris[0]); |
| } else if (uris.length > 1) { |
| final ClipData clipData = new ClipData( |
| null, mState.acceptMimes, new ClipData.Item(uris[0])); |
| for (int i = 1; i < uris.length; i++) { |
| clipData.addItem(new ClipData.Item(uris[i])); |
| } |
| intent.setClipData(clipData); |
| } |
| |
| 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(); |
| } |
| |
| /** |
| * Builds a stack for the specific Uris. Multi roots are not supported, as it's impossible |
| * to know which root to select. Also, the stack doesn't contain intermediate directories. |
| * It's primarly used for opening ZIP archives from Downloads app. |
| */ |
| private static final class OpenUriForViewTask extends PairedTask<FilesActivity, Uri, Void> { |
| |
| private final State mState; |
| public OpenUriForViewTask(FilesActivity activity) { |
| super(activity); |
| mState = activity.mState; |
| } |
| |
| @Override |
| protected Void run(Uri... params) { |
| final Uri uri = params[0]; |
| |
| final RootsCache rootsCache = DocumentsApplication.getRootsCache(mOwner); |
| final String authority = uri.getAuthority(); |
| |
| final Collection<RootInfo> roots = |
| rootsCache.getRootsForAuthorityBlocking(authority); |
| if (roots.isEmpty()) { |
| Log.e(TAG, "Failed to find root for the requested Uri: " + uri); |
| return null; |
| } |
| |
| final RootInfo root = roots.iterator().next(); |
| mState.stack.root = root; |
| try { |
| mState.stack.add(DocumentInfo.fromUri(mOwner.getContentResolver(), uri)); |
| } catch (FileNotFoundException e) { |
| Log.e(TAG, "Failed to resolve DocumentInfo from Uri: " + uri); |
| } |
| mState.stack.add(mOwner.getRootDocumentBlocking(root)); |
| return null; |
| } |
| |
| @Override |
| protected void finish(Void result) { |
| mOwner.refreshCurrentRootAndDirectory(AnimationView.ANIM_NONE); |
| } |
| } |
| } |
