| /* |
| * 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.picker; |
| |
| import static com.android.documentsui.base.Shared.DEBUG; |
| |
| import android.app.Activity; |
| import android.content.Intent; |
| import android.content.pm.ResolveInfo; |
| import android.net.Uri; |
| import android.provider.Settings; |
| import android.util.Log; |
| |
| import com.android.documentsui.AbstractActionHandler; |
| import com.android.documentsui.DocumentsAccess; |
| import com.android.documentsui.Metrics; |
| 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.DocumentDetails; |
| import com.android.documentsui.dirlist.FragmentTuner; |
| import com.android.documentsui.dirlist.Model; |
| import com.android.documentsui.dirlist.MultiSelectManager; |
| import com.android.documentsui.picker.ActionHandler.Addons; |
| import com.android.documentsui.roots.RootsAccess; |
| |
| import java.util.concurrent.Executor; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * Provides {@link PickActivity} action specializations to fragments. |
| */ |
| class ActionHandler<T extends Activity & Addons> extends AbstractActionHandler<T> { |
| |
| private static final String TAG = "PickerActionHandler"; |
| |
| private final FragmentTuner mTuner; |
| private final Config mConfig; |
| |
| ActionHandler( |
| T activity, |
| State state, |
| RootsAccess roots, |
| DocumentsAccess docs, |
| Lookup<String, Executor> executors, |
| FragmentTuner tuner) { |
| |
| super(activity, state, roots, docs, executors); |
| |
| mTuner = tuner; |
| mConfig = new Config(); |
| } |
| |
| @Override |
| public void initLocation(Intent intent) { |
| if (mState.restored) { |
| if (DEBUG) Log.d(TAG, "Stack already resolved"); |
| } else { |
| // We set the activity title in AsyncTask.onPostExecute(). |
| // To prevent talkback from reading aloud the default title, we clear it here. |
| mActivity.setTitle(""); |
| |
| // As a matter of policy we don't load the last used stack for the copy |
| // destination picker (user is already in Files app). |
| // Concensus was that the experice was too confusing. |
| // In all other cases, where the user is visiting us from another app |
| // we restore the stack as last used from that app. |
| if (Shared.ACTION_PICK_COPY_DESTINATION.equals(intent.getAction())) { |
| if (DEBUG) Log.d(TAG, "Launching directly into Home directory."); |
| loadHomeDir(); |
| } else { |
| if (DEBUG) Log.d(TAG, "Attempting to load last used stack for calling package."); |
| new LoadLastAccessedStackTask<>(mActivity, mState, mRoots).execute(); |
| } |
| } |
| } |
| |
| @Override |
| public void showAppDetails(ResolveInfo info) { |
| final Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS); |
| intent.setData(Uri.fromParts("package", info.activityInfo.packageName, null)); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT); |
| mActivity.startActivity(intent); |
| } |
| |
| @Override |
| public void openInNewWindow(DocumentStack path) { |
| // Open new window support only depends on vanilla Activity, so it is |
| // implemented in our parent class. But we don't support that in |
| // picking. So as a matter of defensiveness, we override that here. |
| throw new UnsupportedOperationException("Can't open in new window"); |
| } |
| |
| @Override |
| public void openRoot(RootInfo root) { |
| Metrics.logRootVisited(mActivity, root); |
| mActivity.onRootPicked(root); |
| } |
| |
| @Override |
| public void openRoot(ResolveInfo info) { |
| Metrics.logAppVisited(mActivity, info); |
| mActivity.onAppPicked(info); |
| } |
| |
| @Override |
| public boolean viewDocument(DocumentDetails details) { |
| return openDocument(details); |
| } |
| |
| @Override |
| public boolean openDocument(DocumentDetails details) { |
| DocumentInfo doc = mConfig.model.getDocument(details.getModelId()); |
| if (doc == null) { |
| Log.w(TAG, |
| "Can't view item. No Document available for modeId: " + details.getModelId()); |
| return false; |
| } |
| |
| if (mTuner.isDocumentEnabled(doc.mimeType, doc.flags)) { |
| mActivity.onDocumentPicked(doc); |
| mConfig.selectionMgr.clearSelection(); |
| return true; |
| } |
| return false; |
| } |
| |
| ActionHandler<T> reset(Model model, MultiSelectManager selectionMgr) { |
| mConfig.reset(model, selectionMgr); |
| return this; |
| } |
| |
| private static final class Config { |
| |
| @Nullable Model model; |
| @Nullable MultiSelectManager selectionMgr; |
| |
| public void reset(Model model, MultiSelectManager selectionMgr) { |
| assert(model != null); |
| |
| this.model = model; |
| this.selectionMgr = selectionMgr; |
| } |
| } |
| |
| public interface Addons extends CommonAddons { |
| void onAppPicked(ResolveInfo info); |
| void onDocumentPicked(DocumentInfo doc); |
| } |
| } |