packages/SystemUI/src/com/android/systemui/recents/RecentsResizeTaskDialog.java - platform/frameworks/base - Git at Google

 /*
  * 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;
             }
         }

         // Get rid of the dialog.
         dismiss();
         mRecentsActivity.dismissRecentsToHomeWithoutTransitionAnimation();

         // 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]);
             }
         }

         // Show tasks as they might not be currently visible - beginning with the oldest so that
         // the focus ends on the selected one.
         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();
     }
 }
	/*
	* 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;
	}
	}

	// Get rid of the dialog.
	dismiss();
	mRecentsActivity.dismissRecentsToHomeWithoutTransitionAnimation();

	// 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]);
	}
	}

	// Show tasks as they might not be currently visible - beginning with the oldest so that
	// the focus ends on the selected one.
	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();
	}
	}