| /* |
| * Copyright (C) 2013 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.BaseActivity.State.ACTION_BROWSE; |
| import static com.android.documentsui.BaseActivity.State.ACTION_CREATE; |
| import static com.android.documentsui.BaseActivity.State.ACTION_GET_CONTENT; |
| import static com.android.documentsui.BaseActivity.State.ACTION_MANAGE; |
| import static com.android.documentsui.BaseActivity.State.ACTION_OPEN; |
| import static com.android.documentsui.BaseActivity.State.ACTION_OPEN_COPY_DESTINATION; |
| import static com.android.documentsui.BaseActivity.State.ACTION_OPEN_TREE; |
| import static com.android.documentsui.DirectoryFragment.ANIM_DOWN; |
| import static com.android.documentsui.DirectoryFragment.ANIM_NONE; |
| import static com.android.documentsui.DirectoryFragment.ANIM_UP; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import android.app.ActionBar; |
| import android.app.Activity; |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.content.ActivityNotFoundException; |
| import android.content.ClipData; |
| import android.content.ComponentName; |
| import android.content.ContentProviderClient; |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ResolveInfo; |
| import android.content.res.Resources; |
| import android.graphics.Point; |
| import android.net.Uri; |
| import android.os.AsyncTask; |
| import android.os.Bundle; |
| import android.os.Parcelable; |
| import android.provider.DocumentsContract; |
| import android.provider.DocumentsContract.Root; |
| import android.support.v4.app.ActionBarDrawerToggle; |
| import android.support.v4.widget.DrawerLayout; |
| import android.support.v4.widget.DrawerLayout.DrawerListener; |
| import android.util.Log; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| import android.view.View; |
| import android.view.WindowManager; |
| import android.widget.BaseAdapter; |
| import android.widget.Spinner; |
| import android.widget.Toast; |
| import android.widget.Toolbar; |
| |
| import com.android.documentsui.RecentsProvider.RecentColumns; |
| import com.android.documentsui.RecentsProvider.ResumeColumns; |
| import com.android.documentsui.model.DocumentInfo; |
| import com.android.documentsui.model.DocumentStack; |
| import com.android.documentsui.model.DurableUtils; |
| import com.android.documentsui.model.RootInfo; |
| |
| public class DocumentsActivity extends BaseActivity { |
| private static final int CODE_FORWARD = 42; |
| public static final String TAG = "Documents"; |
| |
| private boolean mShowAsDialog; |
| |
| private Toolbar mToolbar; |
| private Spinner mToolbarStack; |
| |
| private Toolbar mRootsToolbar; |
| |
| private DrawerLayout mDrawerLayout; |
| private ActionBarDrawerToggle mDrawerToggle; |
| private View mRootsDrawer; |
| |
| private DirectoryContainerView mDirectoryContainer; |
| |
| private State mState; |
| |
| private ItemSelectedListener mStackListener; |
| private BaseAdapter mStackAdapter; |
| |
| public DocumentsActivity() { |
| super(TAG); |
| } |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| |
| setResult(Activity.RESULT_CANCELED); |
| setContentView(R.layout.activity); |
| |
| final Context context = this; |
| final Resources res = getResources(); |
| mShowAsDialog = res.getBoolean(R.bool.show_as_dialog); |
| |
| if (mShowAsDialog) { |
| // Strongly define our horizontal dimension; we leave vertical as |
| // WRAP_CONTENT so that system resizes us when IME is showing. |
| final WindowManager.LayoutParams a = getWindow().getAttributes(); |
| |
| final Point size = new Point(); |
| getWindowManager().getDefaultDisplay().getSize(size); |
| a.width = (int) res.getFraction(R.dimen.dialog_width, size.x, size.x); |
| |
| getWindow().setAttributes(a); |
| |
| } else { |
| // Non-dialog means we have a drawer |
| mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); |
| |
| mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, |
| R.drawable.ic_hamburger, R.string.drawer_open, R.string.drawer_close); |
| |
| mDrawerLayout.setDrawerListener(mDrawerListener); |
| |
| mRootsDrawer = findViewById(R.id.drawer_roots); |
| } |
| |
| mDirectoryContainer = (DirectoryContainerView) findViewById(R.id.container_directory); |
| |
| mState = (icicle != null) |
| ? icicle.<State>getParcelable(EXTRA_STATE) |
| : buildDefaultState(); |
| |
| mToolbar = (Toolbar) findViewById(R.id.toolbar); |
| mToolbar.setTitleTextAppearance(context, |
| android.R.style.TextAppearance_DeviceDefault_Widget_ActionBar_Title); |
| |
| mStackAdapter = new StackAdapter(); |
| mStackListener = new ItemSelectedListener(); |
| mToolbarStack = (Spinner) findViewById(R.id.stack); |
| mToolbarStack.setOnItemSelectedListener(mStackListener); |
| |
| mRootsToolbar = (Toolbar) findViewById(R.id.roots_toolbar); |
| if (mRootsToolbar != null) { |
| mRootsToolbar.setTitleTextAppearance(context, |
| android.R.style.TextAppearance_DeviceDefault_Widget_ActionBar_Title); |
| } |
| |
| setActionBar(mToolbar); |
| |
| // Hide roots when we're managing a specific root |
| if (mState.action == ACTION_MANAGE || mState.action == ACTION_BROWSE) { |
| if (mShowAsDialog) { |
| findViewById(R.id.container_roots).setVisibility(View.GONE); |
| } else { |
| mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED); |
| } |
| } |
| |
| if (mState.action == ACTION_CREATE) { |
| final String mimeType = getIntent().getType(); |
| final String title = getIntent().getStringExtra(Intent.EXTRA_TITLE); |
| SaveFragment.show(getFragmentManager(), mimeType, title); |
| } else if (mState.action == ACTION_OPEN_TREE || |
| mState.action == ACTION_OPEN_COPY_DESTINATION) { |
| PickFragment.show(getFragmentManager()); |
| } |
| |
| if (mState.action == ACTION_GET_CONTENT) { |
| final Intent moreApps = new Intent(getIntent()); |
| moreApps.setComponent(null); |
| moreApps.setPackage(null); |
| RootsFragment.show(getFragmentManager(), moreApps); |
| } else if (mState.action == ACTION_OPEN || |
| mState.action == ACTION_CREATE || |
| mState.action == ACTION_OPEN_TREE || |
| mState.action == ACTION_OPEN_COPY_DESTINATION) { |
| RootsFragment.show(getFragmentManager(), null); |
| } |
| |
| if (!mState.restored) { |
| // In this case, we set the activity title in AsyncTask.onPostExecute(). To prevent |
| // talkback from reading aloud the default title, we clear it here. |
| setTitle(""); |
| if (mState.action == ACTION_MANAGE || mState.action == ACTION_BROWSE) { |
| final Uri rootUri = getIntent().getData(); |
| new RestoreRootTask(rootUri).executeOnExecutor(getCurrentExecutor()); |
| } else { |
| new RestoreStackTask().execute(); |
| } |
| |
| // Show a failure dialog if there was a failed operation. |
| final Intent intent = getIntent(); |
| final DocumentStack dstStack = intent.getParcelableExtra(CopyService.EXTRA_STACK); |
| final int failure = intent.getIntExtra(CopyService.EXTRA_FAILURE, 0); |
| if (failure != 0) { |
| final ArrayList<DocumentInfo> failedSrcList = |
| intent.getParcelableArrayListExtra(CopyService.EXTRA_SRC_LIST); |
| FailureDialogFragment.show(getFragmentManager(), failure, failedSrcList, dstStack); |
| } |
| } else { |
| onCurrentDirectoryChanged(ANIM_NONE); |
| } |
| } |
| |
| private State buildDefaultState() { |
| State state = new State(); |
| |
| final Intent intent = getIntent(); |
| final String action = intent.getAction(); |
| if (Intent.ACTION_OPEN_DOCUMENT.equals(action)) { |
| state.action = ACTION_OPEN; |
| } else if (Intent.ACTION_CREATE_DOCUMENT.equals(action)) { |
| state.action = ACTION_CREATE; |
| } else if (Intent.ACTION_GET_CONTENT.equals(action)) { |
| state.action = ACTION_GET_CONTENT; |
| } else if (Intent.ACTION_OPEN_DOCUMENT_TREE.equals(action)) { |
| state.action = ACTION_OPEN_TREE; |
| } else if (DocumentsContract.ACTION_MANAGE_ROOT.equals(action)) { |
| state.action = ACTION_MANAGE; |
| } else if (DocumentsContract.ACTION_BROWSE_DOCUMENT_ROOT.equals(action)) { |
| state.action = ACTION_BROWSE; |
| } else if (DocumentsIntent.ACTION_OPEN_COPY_DESTINATION.equals(action)) { |
| state.action = ACTION_OPEN_COPY_DESTINATION; |
| } |
| |
| if (state.action == ACTION_OPEN || state.action == ACTION_GET_CONTENT) { |
| state.allowMultiple = intent.getBooleanExtra( |
| Intent.EXTRA_ALLOW_MULTIPLE, false); |
| } |
| |
| if (state.action == ACTION_MANAGE || state.action == ACTION_BROWSE) { |
| state.acceptMimes = new String[] { "*/*" }; |
| state.allowMultiple = true; |
| } else if (intent.hasExtra(Intent.EXTRA_MIME_TYPES)) { |
| state.acceptMimes = intent.getStringArrayExtra(Intent.EXTRA_MIME_TYPES); |
| } else { |
| state.acceptMimes = new String[] { intent.getType() }; |
| } |
| |
| state.localOnly = intent.getBooleanExtra(Intent.EXTRA_LOCAL_ONLY, false); |
| state.forceAdvanced = intent.getBooleanExtra(DocumentsContract.EXTRA_SHOW_ADVANCED, false); |
| state.showAdvanced = state.forceAdvanced |
| | LocalPreferences.getDisplayAdvancedDevices(this); |
| |
| if (state.action == ACTION_MANAGE || state.action == ACTION_BROWSE) { |
| state.showSize = true; |
| } else { |
| state.showSize = LocalPreferences.getDisplayFileSize(this); |
| } |
| if (state.action == ACTION_OPEN_COPY_DESTINATION) { |
| state.directoryCopy = intent.getBooleanExtra( |
| BaseActivity.DocumentsIntent.EXTRA_DIRECTORY_COPY, false); |
| } |
| |
| state.excludedAuthorities = getExcludedAuthorities(); |
| |
| return state; |
| } |
| |
| private class RestoreRootTask extends AsyncTask<Void, Void, RootInfo> { |
| private Uri mRootUri; |
| |
| public RestoreRootTask(Uri rootUri) { |
| mRootUri = rootUri; |
| } |
| |
| @Override |
| protected RootInfo doInBackground(Void... params) { |
| final String rootId = DocumentsContract.getRootId(mRootUri); |
| return mRoots.getRootOneshot(mRootUri.getAuthority(), rootId); |
| } |
| |
| @Override |
| protected void onPostExecute(RootInfo root) { |
| if (isDestroyed()) return; |
| mState.restored = true; |
| |
| if (root != null) { |
| onRootPicked(root); |
| } else { |
| Log.w(TAG, "Failed to find root: " + mRootUri); |
| finish(); |
| } |
| } |
| } |
| |
| @Override |
| void onStackRestored(boolean restored, boolean external) { |
| // Show drawer when no stack restored, but only when requesting |
| // non-visual content. However, if we last used an external app, |
| // drawer is always shown. |
| |
| boolean showDrawer = false; |
| if (!restored) { |
| showDrawer = true; |
| } |
| if (MimePredicate.mimeMatches(MimePredicate.VISUAL_MIMES, mState.acceptMimes)) { |
| showDrawer = false; |
| } |
| if (external && mState.action == ACTION_GET_CONTENT) { |
| showDrawer = true; |
| } |
| |
| if (showDrawer) { |
| setRootsDrawerOpen(true); |
| } |
| } |
| |
| public void onAppPicked(ResolveInfo info) { |
| final Intent intent = new Intent(getIntent()); |
| intent.setFlags(intent.getFlags() & ~Intent.FLAG_ACTIVITY_FORWARD_RESULT); |
| intent.setComponent(new ComponentName( |
| info.activityInfo.applicationInfo.packageName, info.activityInfo.name)); |
| startActivityForResult(intent, CODE_FORWARD); |
| } |
| |
| @Override |
| protected void onActivityResult(int requestCode, int resultCode, Intent data) { |
| Log.d(TAG, "onActivityResult() code=" + resultCode); |
| |
| // Only relay back results when not canceled; otherwise stick around to |
| // let the user pick another app/backend. |
| if (requestCode == CODE_FORWARD && resultCode != RESULT_CANCELED) { |
| |
| // Remember that we last picked via external app |
| final String packageName = getCallingPackageMaybeExtra(); |
| final ContentValues values = new ContentValues(); |
| values.put(ResumeColumns.EXTERNAL, 1); |
| getContentResolver().insert(RecentsProvider.buildResume(packageName), values); |
| |
| // Pass back result to original caller |
| setResult(resultCode, data); |
| finish(); |
| } else { |
| super.onActivityResult(requestCode, resultCode, data); |
| } |
| } |
| |
| private DrawerListener mDrawerListener = new DrawerListener() { |
| @Override |
| public void onDrawerSlide(View drawerView, float slideOffset) { |
| mDrawerToggle.onDrawerSlide(drawerView, slideOffset); |
| } |
| |
| @Override |
| public void onDrawerOpened(View drawerView) { |
| mDrawerToggle.onDrawerOpened(drawerView); |
| } |
| |
| @Override |
| public void onDrawerClosed(View drawerView) { |
| mDrawerToggle.onDrawerClosed(drawerView); |
| } |
| |
| @Override |
| public void onDrawerStateChanged(int newState) { |
| mDrawerToggle.onDrawerStateChanged(newState); |
| } |
| }; |
| |
| @Override |
| protected void onPostCreate(Bundle savedInstanceState) { |
| super.onPostCreate(savedInstanceState); |
| if (mDrawerToggle != null) { |
| mDrawerToggle.syncState(); |
| } |
| updateActionBar(); |
| } |
| |
| public void setRootsDrawerOpen(boolean open) { |
| if (!mShowAsDialog) { |
| if (open) { |
| mDrawerLayout.openDrawer(mRootsDrawer); |
| } else { |
| mDrawerLayout.closeDrawer(mRootsDrawer); |
| } |
| } |
| } |
| |
| private boolean isRootsDrawerOpen() { |
| if (mShowAsDialog) { |
| return false; |
| } else { |
| return mDrawerLayout.isDrawerOpen(mRootsDrawer); |
| } |
| } |
| |
| @Override |
| public void updateActionBar() { |
| if (mRootsToolbar != null) { |
| final String prompt = getIntent().getStringExtra(DocumentsContract.EXTRA_PROMPT); |
| if (prompt != null) { |
| mRootsToolbar.setTitle(prompt); |
| } else { |
| if (mState.action == ACTION_OPEN || |
| mState.action == ACTION_GET_CONTENT || |
| mState.action == ACTION_OPEN_TREE) { |
| mRootsToolbar.setTitle(R.string.title_open); |
| } else if (mState.action == ACTION_CREATE || |
| mState.action == ACTION_OPEN_COPY_DESTINATION) { |
| mRootsToolbar.setTitle(R.string.title_save); |
| } |
| } |
| } |
| |
| if (!mShowAsDialog && mDrawerLayout.getDrawerLockMode(mRootsDrawer) == |
| DrawerLayout.LOCK_MODE_UNLOCKED) { |
| mToolbar.setNavigationIcon(R.drawable.ic_hamburger); |
| mToolbar.setNavigationContentDescription(R.string.drawer_open); |
| mToolbar.setNavigationOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| setRootsDrawerOpen(true); |
| } |
| }); |
| } else { |
| mToolbar.setNavigationIcon(null); |
| mToolbar.setNavigationContentDescription(R.string.drawer_open); |
| mToolbar.setNavigationOnClickListener(null); |
| } |
| |
| if (mSearchManager.isExpanded()) { |
| mToolbar.setTitle(null); |
| mToolbarStack.setVisibility(View.GONE); |
| mToolbarStack.setAdapter(null); |
| } else { |
| if (mState.stack.size() <= 1) { |
| mToolbar.setTitle(getCurrentRoot().title); |
| mToolbarStack.setVisibility(View.GONE); |
| mToolbarStack.setAdapter(null); |
| } else { |
| mToolbar.setTitle(null); |
| mToolbarStack.setVisibility(View.VISIBLE); |
| mToolbarStack.setAdapter(mStackAdapter); |
| |
| mStackListener.mIgnoreNextNavigation = true; |
| mToolbarStack.setSelection(mStackAdapter.getCount() - 1); |
| } |
| } |
| } |
| |
| @Override |
| public boolean onCreateOptionsMenu(Menu menu) { |
| boolean showMenu = super.onCreateOptionsMenu(menu); |
| |
| // Most actions are visible when showing as dialog |
| if (mShowAsDialog) { |
| expandMenus(menu); |
| } |
| return showMenu; |
| } |
| |
| @Override |
| public boolean onPrepareOptionsMenu(Menu menu) { |
| super.onPrepareOptionsMenu(menu); |
| |
| final RootInfo root = getCurrentRoot(); |
| final DocumentInfo cwd = getCurrentDirectory(); |
| |
| final MenuItem createDir = menu.findItem(R.id.menu_create_dir); |
| final MenuItem grid = menu.findItem(R.id.menu_grid); |
| final MenuItem list = menu.findItem(R.id.menu_list); |
| final MenuItem advanced = menu.findItem(R.id.menu_advanced); |
| final MenuItem fileSize = menu.findItem(R.id.menu_file_size); |
| final MenuItem settings = menu.findItem(R.id.menu_settings); |
| |
| boolean fileSizeVisible = !(mState.action == ACTION_MANAGE |
| || mState.action == ACTION_BROWSE); |
| if (mState.action == ACTION_CREATE |
| || mState.action == ACTION_OPEN_TREE |
| || mState.action == ACTION_OPEN_COPY_DESTINATION) { |
| createDir.setVisible(cwd != null && cwd.isCreateSupported()); |
| mSearchManager.showMenu(false); |
| |
| // No display options in recent directories |
| if (cwd == null) { |
| grid.setVisible(false); |
| list.setVisible(false); |
| fileSizeVisible = false; |
| } |
| |
| if (mState.action == ACTION_CREATE) { |
| final FragmentManager fm = getFragmentManager(); |
| SaveFragment.get(fm).setSaveEnabled(cwd != null && cwd.isCreateSupported()); |
| } |
| } else { |
| createDir.setVisible(false); |
| } |
| |
| advanced.setVisible(!(mState.action == ACTION_MANAGE || mState.action == ACTION_BROWSE)); |
| fileSize.setVisible(fileSizeVisible); |
| |
| settings.setVisible((mState.action == ACTION_MANAGE || mState.action == ACTION_BROWSE) |
| && (root.flags & Root.FLAG_HAS_SETTINGS) != 0); |
| |
| return true; |
| } |
| |
| @Override |
| public boolean onOptionsItemSelected(MenuItem item) { |
| if (mDrawerToggle != null && mDrawerToggle.onOptionsItemSelected(item)) { |
| return true; |
| } |
| return super.onOptionsItemSelected(item); |
| } |
| |
| @Override |
| public void onBackPressed() { |
| // While action bar is expanded, the state stack UI is hidden. |
| if (mSearchManager.cancelSearch()) { |
| return; |
| } |
| |
| if (!mState.stackTouched) { |
| super.onBackPressed(); |
| return; |
| } |
| |
| final int size = mState.stack.size(); |
| if (size > 1) { |
| mState.stack.pop(); |
| onCurrentDirectoryChanged(ANIM_UP); |
| } else if (size == 1 && !isRootsDrawerOpen()) { |
| // TODO: open root drawer once we can capture back key |
| super.onBackPressed(); |
| } else { |
| super.onBackPressed(); |
| } |
| } |
| |
| @Override |
| public State getDisplayState() { |
| return mState; |
| } |
| |
| @Override |
| void onDirectoryChanged(int anim) { |
| final FragmentManager fm = getFragmentManager(); |
| final RootInfo root = getCurrentRoot(); |
| final DocumentInfo cwd = getCurrentDirectory(); |
| |
| mDirectoryContainer.setDrawDisappearingFirst(anim == ANIM_DOWN); |
| |
| if (cwd == null) { |
| // No directory means recents |
| if (mState.action == ACTION_CREATE || |
| mState.action == ACTION_OPEN_TREE || |
| mState.action == ACTION_OPEN_COPY_DESTINATION) { |
| RecentsCreateFragment.show(fm); |
| } else { |
| DirectoryFragment.showRecentsOpen(fm, anim); |
| |
| // Start recents in grid when requesting visual things |
| final boolean visualMimes = MimePredicate.mimeMatches( |
| MimePredicate.VISUAL_MIMES, mState.acceptMimes); |
| mState.userMode = visualMimes ? State.MODE_GRID : State.MODE_LIST; |
| mState.derivedMode = mState.userMode; |
| } |
| } else { |
| if (mState.currentSearch != null) { |
| // Ongoing search |
| DirectoryFragment.showSearch(fm, root, mState.currentSearch, anim); |
| } else { |
| // Normal boring directory |
| DirectoryFragment.showNormal(fm, root, cwd, anim); |
| } |
| } |
| |
| // Forget any replacement target |
| if (mState.action == ACTION_CREATE) { |
| final SaveFragment save = SaveFragment.get(fm); |
| if (save != null) { |
| save.setReplaceTarget(null); |
| } |
| } |
| |
| if (mState.action == ACTION_OPEN_TREE || |
| mState.action == ACTION_OPEN_COPY_DESTINATION) { |
| final PickFragment pick = PickFragment.get(fm); |
| if (pick != null) { |
| pick.setPickTarget(mState.action, cwd); |
| } |
| } |
| } |
| |
| void onSaveRequested(DocumentInfo replaceTarget) { |
| new ExistingFinishTask(replaceTarget.derivedUri).executeOnExecutor(getCurrentExecutor()); |
| } |
| |
| void onSaveRequested(String mimeType, String displayName) { |
| new CreateFinishTask(mimeType, displayName).executeOnExecutor(getCurrentExecutor()); |
| } |
| |
| @Override |
| void onRootPicked(RootInfo root) { |
| super.onRootPicked(root); |
| setRootsDrawerOpen(false); |
| } |
| |
| @Override |
| public void onDocumentPicked(DocumentInfo doc) { |
| final FragmentManager fm = getFragmentManager(); |
| if (doc.isDirectory()) { |
| mState.stack.push(doc); |
| mState.stackTouched = true; |
| onCurrentDirectoryChanged(ANIM_DOWN); |
| } else if (mState.action == ACTION_OPEN || mState.action == ACTION_GET_CONTENT) { |
| // Explicit file picked, return |
| new ExistingFinishTask(doc.derivedUri).executeOnExecutor(getCurrentExecutor()); |
| } else if (mState.action == ACTION_CREATE) { |
| // Replace selected file |
| SaveFragment.get(fm).setReplaceTarget(doc); |
| } else if (mState.action == ACTION_MANAGE) { |
| // 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); |
| } catch (ActivityNotFoundException ex) { |
| // Fall back to viewing |
| final Intent view = new Intent(Intent.ACTION_VIEW); |
| view.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| view.setData(doc.derivedUri); |
| |
| try { |
| startActivity(view); |
| } catch (ActivityNotFoundException ex2) { |
| Toast.makeText(this, R.string.toast_no_application, Toast.LENGTH_SHORT).show(); |
| } |
| } |
| } else if (mState.action == ACTION_BROWSE) { |
| // Go straight to viewing |
| final Intent view = new Intent(Intent.ACTION_VIEW); |
| view.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| view.setData(doc.derivedUri); |
| |
| try { |
| startActivity(view); |
| } catch (ActivityNotFoundException ex) { |
| Toast.makeText(this, R.string.toast_no_application, Toast.LENGTH_SHORT).show(); |
| } |
| } |
| } |
| |
| @Override |
| public void onDocumentsPicked(List<DocumentInfo> docs) { |
| if (mState.action == ACTION_OPEN || mState.action == ACTION_GET_CONTENT) { |
| final int size = docs.size(); |
| final Uri[] uris = new Uri[size]; |
| for (int i = 0; i < size; i++) { |
| uris[i] = docs.get(i).derivedUri; |
| } |
| new ExistingFinishTask(uris).executeOnExecutor(getCurrentExecutor()); |
| } |
| } |
| |
| public void onPickRequested(DocumentInfo pickTarget) { |
| Uri result; |
| if (mState.action == ACTION_OPEN_TREE) { |
| result = DocumentsContract.buildTreeDocumentUri( |
| pickTarget.authority, pickTarget.documentId); |
| } else if (mState.action == ACTION_OPEN_COPY_DESTINATION) { |
| result = pickTarget.derivedUri; |
| } else { |
| // Should not be reached. |
| throw new IllegalStateException("Invalid mState.action."); |
| } |
| new PickFinishTask(result).executeOnExecutor(getCurrentExecutor()); |
| } |
| |
| @Override |
| void saveStackBlocking() { |
| final ContentResolver resolver = getContentResolver(); |
| final ContentValues values = new ContentValues(); |
| |
| final byte[] rawStack = DurableUtils.writeToArrayOrNull(mState.stack); |
| if (mState.action == ACTION_CREATE || |
| mState.action == ACTION_OPEN_TREE || |
| mState.action == ACTION_OPEN_COPY_DESTINATION) { |
| // Remember stack for last create |
| values.clear(); |
| values.put(RecentColumns.KEY, mState.stack.buildKey()); |
| values.put(RecentColumns.STACK, rawStack); |
| resolver.insert(RecentsProvider.buildRecent(), values); |
| } |
| |
| // 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) { |
| 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); |
| } |
| |
| if (mState.action == ACTION_GET_CONTENT) { |
| intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| } else if (mState.action == ACTION_OPEN_TREE) { |
| intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION |
| | Intent.FLAG_GRANT_WRITE_URI_PERMISSION |
| | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION |
| | Intent.FLAG_GRANT_PREFIX_URI_PERMISSION); |
| } else if (mState.action == ACTION_OPEN_COPY_DESTINATION) { |
| // Picking a copy destination is only used internally by us, so we |
| // don't need to extend permissions to the caller. |
| intent.putExtra(CopyService.EXTRA_STACK, (Parcelable) mState.stack); |
| } 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 { |
| Toast.makeText(DocumentsActivity.this, R.string.save_error, Toast.LENGTH_SHORT) |
| .show(); |
| } |
| |
| setPending(false); |
| } |
| } |
| } |
