| /* |
| * Copyright (C) 2016 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 android.app.Activity; |
| import android.content.ClipData; |
| import android.content.Intent; |
| import android.content.pm.ResolveInfo; |
| import android.net.Uri; |
| import android.os.Parcelable; |
| |
| import com.android.documentsui.AbstractActionHandler.CommonAddons; |
| import com.android.documentsui.base.BooleanConsumer; |
| import com.android.documentsui.base.ConfirmationCallback; |
| import com.android.documentsui.base.DocumentInfo; |
| import com.android.documentsui.base.DocumentStack; |
| import com.android.documentsui.base.Lookup; |
| import com.android.documentsui.base.RootInfo; |
| import com.android.documentsui.base.Shared; |
| import com.android.documentsui.base.State; |
| import com.android.documentsui.dirlist.AnimationView.AnimationType; |
| import com.android.documentsui.dirlist.DocumentDetails; |
| import com.android.documentsui.dirlist.Model; |
| import com.android.documentsui.dirlist.MultiSelectManager.Selection; |
| import com.android.documentsui.files.LauncherActivity; |
| import com.android.documentsui.files.OpenUriForViewTask; |
| import com.android.documentsui.roots.LoadRootTask; |
| import com.android.documentsui.roots.RootsAccess; |
| import com.android.documentsui.sidebar.EjectRootTask; |
| |
| import java.util.List; |
| import java.util.concurrent.Executor; |
| |
| /** |
| * Provides support for specializing the actions (viewDocument etc.) to the host activity. |
| */ |
| public abstract class AbstractActionHandler<T extends Activity & CommonAddons> |
| implements ActionHandler { |
| |
| protected final T mActivity; |
| protected final State mState; |
| protected final RootsAccess mRoots; |
| protected final DocumentsAccess mDocs; |
| protected final Lookup<String, Executor> mExecutors; |
| |
| public AbstractActionHandler( |
| T activity, |
| State state, |
| RootsAccess roots, |
| DocumentsAccess docs, |
| Lookup<String, Executor> executors) { |
| |
| assert(activity != null); |
| assert(state != null); |
| assert(roots != null); |
| assert(docs != null); |
| |
| mActivity = activity; |
| mState = state; |
| mRoots = roots; |
| mDocs = docs; |
| mExecutors = executors; |
| } |
| |
| @Override |
| public void ejectRoot(RootInfo root, BooleanConsumer listener) { |
| new EjectRootTask( |
| mActivity.getContentResolver(), |
| root.authority, |
| root.rootId, |
| listener).executeOnExecutor(ProviderExecutor.forAuthority(root.authority)); |
| } |
| |
| @Override |
| public void openInNewWindow(DocumentStack path) { |
| Metrics.logUserAction(mActivity, Metrics.USER_ACTION_NEW_WINDOW); |
| |
| Intent intent = LauncherActivity.createLaunchIntent(mActivity); |
| intent.putExtra(Shared.EXTRA_STACK, (Parcelable) path); |
| |
| // Multi-window necessitates we 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 (mActivity.isInMultiWindowMode()) { |
| intent.addFlags(Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT); |
| } |
| |
| mActivity.startActivity(intent); |
| } |
| |
| @Override |
| public void openSettings(RootInfo root) { |
| throw new UnsupportedOperationException("Can't open settings."); |
| } |
| |
| @Override |
| public void openRoot(ResolveInfo app) { |
| throw new UnsupportedOperationException("Can't open an app."); |
| } |
| |
| @Override |
| public void showAppDetails(ResolveInfo info) { |
| throw new UnsupportedOperationException("Can't show app details."); |
| } |
| |
| @Override |
| public boolean dropOn(ClipData data, RootInfo root) { |
| throw new UnsupportedOperationException("Can't open an app."); |
| } |
| |
| @Override |
| public void pasteIntoFolder(RootInfo root) { |
| throw new UnsupportedOperationException("Can't paste into folder."); |
| } |
| |
| @Override |
| public boolean viewDocument(DocumentDetails doc) { |
| throw new UnsupportedOperationException("Direct view not supported!"); |
| } |
| |
| @Override |
| public boolean previewDocument(DocumentDetails doc) { |
| throw new UnsupportedOperationException("Preview not supported!"); |
| } |
| |
| @Override |
| public void deleteDocuments(Model model, Selection selection, ConfirmationCallback callback) { |
| throw new UnsupportedOperationException("Delete not supported!"); |
| } |
| |
| @Override |
| public final void loadDocument(Uri uri) { |
| new OpenUriForViewTask<>(mActivity, mState, mRoots, mDocs, uri) |
| .executeOnExecutor(mExecutors.lookup(uri.getAuthority())); |
| } |
| |
| @Override |
| public final void loadRoot(Uri uri) { |
| new LoadRootTask<>(mActivity, mRoots, mState, uri) |
| .executeOnExecutor(mExecutors.lookup(uri.getAuthority())); |
| } |
| |
| protected final void loadHomeDir() { |
| loadRoot(Shared.getDefaultRootUri(mActivity)); |
| } |
| |
| /** |
| * A class primarily for the support of isolating our tests |
| * from our concrete activity implementations. |
| */ |
| public interface CommonAddons { |
| void refreshCurrentRootAndDirectory(@AnimationType int anim); |
| void onRootPicked(RootInfo root); |
| // TODO: Move this to PickAddons as multi-document picking is exclusive to that activity. |
| void onDocumentsPicked(List<DocumentInfo> docs); |
| void onDocumentPicked(DocumentInfo doc); |
| void openContainerDocument(DocumentInfo doc); |
| RootInfo getCurrentRoot(); |
| DocumentInfo getCurrentDirectory(); |
| } |
| } |