| /* |
| * 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.systemui.recents; |
| |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.app.DialogFragment; |
| import android.app.FragmentManager; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.graphics.Rect; |
| import android.os.Bundle; |
| import android.util.Pair; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.widget.Button; |
| import com.android.systemui.R; |
| import com.android.systemui.recents.misc.SystemServicesProxy; |
| import com.android.systemui.recents.model.RecentsTaskLoader; |
| import com.android.systemui.recents.model.Task; |
| import com.android.systemui.recents.RecentsActivity; |
| import com.android.systemui.recents.views.RecentsView; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * A helper for the dialogs that show when task debugging is on. |
| */ |
| public class RecentsResizeTaskDialog extends DialogFragment { |
| |
| static final String TAG = "RecentsResizeTaskDialog"; |
| |
| // The various window arrangements we can handle. |
| private static final int PLACE_LEFT = 1; |
| private static final int PLACE_RIGHT = 2; |
| private static final int PLACE_TOP = 3; |
| private static final int PLACE_BOTTOM = 4; |
| private static final int PLACE_TOP_LEFT = 5; |
| private static final int PLACE_TOP_RIGHT = 6; |
| private static final int PLACE_BOTTOM_LEFT = 7; |
| private static final int PLACE_BOTTOM_RIGHT = 8; |
| private static final int PLACE_FULL = 9; |
| |
| // The button resource ID combined with the arrangement command. |
| private static final int[][] BUTTON_DEFINITIONS = |
| {{R.id.place_left, PLACE_LEFT}, |
| {R.id.place_right, PLACE_RIGHT}, |
| {R.id.place_top, PLACE_TOP}, |
| {R.id.place_bottom, PLACE_BOTTOM}, |
| {R.id.place_top_left, PLACE_TOP_LEFT}, |
| {R.id.place_top_right, PLACE_TOP_RIGHT}, |
| {R.id.place_bottom_left, PLACE_BOTTOM_LEFT}, |
| {R.id.place_bottom_right, PLACE_BOTTOM_RIGHT}, |
| {R.id.place_full, PLACE_FULL}}; |
| |
| // The task we want to resize. |
| private FragmentManager mFragmentManager; |
| private View mResizeTaskDialogContent; |
| private RecentsActivity mRecentsActivity; |
| private RecentsView mRecentsView; |
| private SystemServicesProxy mSsp; |
| private Rect[] mBounds = {new Rect(), new Rect(), new Rect(), new Rect()}; |
| private Task[] mTasks = {null, null, null, null}; |
| |
| public RecentsResizeTaskDialog(FragmentManager mgr, RecentsActivity activity) { |
| mFragmentManager = mgr; |
| mRecentsActivity = activity; |
| mSsp = RecentsTaskLoader.getInstance().getSystemServicesProxy(); |
| } |
| |
| /** Shows the resize-task dialog. */ |
| void showResizeTaskDialog(Task mainTask, RecentsView rv) { |
| mTasks[0] = mainTask; |
| mRecentsView = rv; |
| |
| show(mFragmentManager, TAG); |
| } |
| |
| /** Creates a new resize-task dialog. */ |
| private void createResizeTaskDialog(final Context context, LayoutInflater inflater, |
| AlertDialog.Builder builder) { |
| builder.setTitle(R.string.recents_caption_resize); |
| mResizeTaskDialogContent = |
| inflater.inflate(R.layout.recents_task_resize_dialog, null, false); |
| |
| for (int i = 0; i < BUTTON_DEFINITIONS.length; i++) { |
| Button b = (Button)mResizeTaskDialogContent.findViewById(BUTTON_DEFINITIONS[i][0]); |
| if (b != null) { |
| final int action = BUTTON_DEFINITIONS[i][1]; |
| b.setOnClickListener( |
| new View.OnClickListener() { |
| public void onClick(View v) { |
| placeTasks(action); |
| } |
| }); |
| } |
| } |
| |
| builder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| dismiss(); |
| } |
| }); |
| |
| builder.setView(mResizeTaskDialogContent); |
| } |
| |
| /** Helper function to place window(s) on the display according to an arrangement request. */ |
| private void placeTasks(int arrangement) { |
| Rect rect = mSsp.getWindowRect(); |
| for (int i = 0; i < mBounds.length; ++i) { |
| mBounds[i].set(rect); |
| if (i != 0) { |
| mTasks[i] = null; |
| } |
| } |
| int additionalTasks = 0; |
| switch (arrangement) { |
| case PLACE_LEFT: |
| mBounds[0].right = mBounds[0].centerX(); |
| mBounds[1].left = mBounds[0].right; |
| additionalTasks = 1; |
| break; |
| case PLACE_RIGHT: |
| mBounds[1].right = mBounds[1].centerX(); |
| mBounds[0].left = mBounds[1].right; |
| additionalTasks = 1; |
| break; |
| case PLACE_TOP: |
| mBounds[0].bottom = mBounds[0].centerY(); |
| mBounds[1].top = mBounds[0].bottom; |
| additionalTasks = 1; |
| break; |
| case PLACE_BOTTOM: |
| mBounds[1].bottom = mBounds[1].centerY(); |
| mBounds[0].top = mBounds[1].bottom; |
| additionalTasks = 1; |
| break; |
| case PLACE_TOP_LEFT: // TL, TR, BL, BR |
| mBounds[0].right = mBounds[0].centerX(); |
| mBounds[0].bottom = mBounds[0].centerY(); |
| mBounds[1].left = mBounds[0].right; |
| mBounds[1].bottom = mBounds[0].bottom; |
| mBounds[2].right = mBounds[0].right; |
| mBounds[2].top = mBounds[0].bottom; |
| mBounds[3].left = mBounds[0].right; |
| mBounds[3].top = mBounds[0].bottom; |
| additionalTasks = 3; |
| break; |
| case PLACE_TOP_RIGHT: // TR, TL, BR, BL |
| mBounds[0].left = mBounds[0].centerX(); |
| mBounds[0].bottom = mBounds[0].centerY(); |
| mBounds[1].right = mBounds[0].left; |
| mBounds[1].bottom = mBounds[0].bottom; |
| mBounds[2].left = mBounds[0].left; |
| mBounds[2].top = mBounds[0].bottom; |
| mBounds[3].right = mBounds[0].left; |
| mBounds[3].top = mBounds[0].bottom; |
| additionalTasks = 3; |
| break; |
| case PLACE_BOTTOM_LEFT: // BL, BR, TL, TR |
| mBounds[0].right = mBounds[0].centerX(); |
| mBounds[0].top = mBounds[0].centerY(); |
| mBounds[1].left = mBounds[0].right; |
| mBounds[1].top = mBounds[0].top; |
| mBounds[2].right = mBounds[0].right; |
| mBounds[2].bottom = mBounds[0].top; |
| mBounds[3].left = mBounds[0].right; |
| mBounds[3].bottom = mBounds[0].top; |
| additionalTasks = 3; |
| break; |
| case PLACE_BOTTOM_RIGHT: // BR, BL, TR, TL |
| mBounds[0].left = mBounds[0].centerX(); |
| mBounds[0].top = mBounds[0].centerY(); |
| mBounds[1].right = mBounds[0].left; |
| mBounds[1].top = mBounds[0].top; |
| mBounds[2].left = mBounds[0].left; |
| mBounds[2].bottom = mBounds[0].top; |
| mBounds[3].right = mBounds[0].left; |
| mBounds[3].bottom = mBounds[0].top; |
| additionalTasks = 3; |
| break; |
| case PLACE_FULL: |
| // Nothing to change. |
| break; |
| } |
| |
| // Get the other tasks. |
| for (int i = 1; i <= additionalTasks && mTasks[i - 1] != null; ++i) { |
| mTasks[i] = mRecentsView.getNextTaskOrTopTask(mTasks[i - 1]); |
| // Do stop if we circled back to the first item. |
| if (mTasks[i] == mTasks[0]) { |
| mTasks[i] = null; |
| } |
| } |
| |
| // Resize all tasks beginning from the "oldest" one. |
| for (int i = additionalTasks; i >= 0; --i) { |
| if (mTasks[i] != null) { |
| mSsp.resizeTask(mTasks[i].key.id, mBounds[i]); |
| } |
| } |
| |
| // Get rid of the dialog. |
| dismiss(); |
| mRecentsActivity.dismissRecentsToHomeRaw(false); |
| |
| // Show tasks - beginning with the oldest so that the focus ends on the selected one. |
| // TODO: Remove this once issue b/19893373 is resolved. |
| for (int i = additionalTasks; i >= 0; --i) { |
| if (mTasks[i] != null) { |
| mRecentsView.launchTask(mTasks[i]); |
| } |
| } |
| } |
| |
| @Override |
| public Dialog onCreateDialog(Bundle args) { |
| final Context context = this.getActivity(); |
| LayoutInflater inflater = getActivity().getLayoutInflater(); |
| AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); |
| createResizeTaskDialog(context, inflater, builder); |
| return builder.create(); |
| } |
| } |