src/com/android/launcher3/dragndrop/AddItemActivity.java - LeafOS-Project/android_packages_apps_Launcher3 - Gitiles

 /*
  * Copyright (C) 2017 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.launcher3.dragndrop;

 import static com.android.launcher3.logging.LoggerUtils.newCommandAction;
 import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
 import static com.android.launcher3.logging.LoggerUtils.newItemTarget;
 import static com.android.launcher3.logging.LoggerUtils.newLauncherEvent;

 import android.annotation.TargetApi;
 import android.app.ActivityOptions;
 import android.appwidget.AppWidgetManager;
 import android.content.ClipData;
 import android.content.ClipDescription;
 import android.content.Intent;
 import android.content.pm.LauncherApps.PinItemRequest;
 import android.graphics.Canvas;
 import android.graphics.Point;
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.os.Build;
 import android.os.Bundle;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.DragShadowBuilder;
 import android.view.View.OnLongClickListener;
 import android.view.View.OnTouchListener;

 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.InstallShortcutReceiver;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherAppWidgetHost;
 import com.android.launcher3.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.R;
 import com.android.launcher3.compat.AppWidgetManagerCompat;
 import com.android.launcher3.compat.LauncherAppsCompatVO;
 import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.shortcuts.ShortcutInfoCompat;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.widget.PendingAddShortcutInfo;
 import com.android.launcher3.widget.PendingAddWidgetInfo;
 import com.android.launcher3.widget.WidgetHostViewLoader;
 import com.android.launcher3.widget.WidgetImageView;

 @TargetApi(Build.VERSION_CODES.O)
 public class AddItemActivity extends BaseActivity implements OnLongClickListener, OnTouchListener {

     private static final int SHADOW_SIZE = 10;

     private static final int REQUEST_BIND_APPWIDGET = 1;
     private static final String STATE_EXTRA_WIDGET_ID = "state.widget.id";

     private final PointF mLastTouchPos = new PointF();

     private PinItemRequest mRequest;
     private LauncherAppState mApp;
     private InvariantDeviceProfile mIdp;

     private LivePreviewWidgetCell mWidgetCell;

     // Widget request specific options.
     private LauncherAppWidgetHost mAppWidgetHost;
     private AppWidgetManagerCompat mAppWidgetManager;
     private PendingAddWidgetInfo mPendingWidgetInfo;
     private int mPendingBindWidgetId;
     private Bundle mWidgetOptions;

     private boolean mFinishOnPause = false;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

         mRequest = LauncherAppsCompatVO.getPinItemRequest(getIntent());
         if (mRequest == null) {
             finish();
             return;
         }

         mApp = LauncherAppState.getInstance(this);
         mIdp = mApp.getInvariantDeviceProfile();

         // Use the application context to get the device profile, as in multiwindow-mode, the
         // confirmation activity might be rotated.
         mDeviceProfile = mIdp.getDeviceProfile(getApplicationContext());

         setContentView(R.layout.add_item_confirmation_activity);
         mWidgetCell = findViewById(R.id.widget_cell);

         if (mRequest.getRequestType() == PinItemRequest.REQUEST_TYPE_SHORTCUT) {
             setupShortcut();
         } else {
             if (!setupWidget()) {
                 // TODO: show error toast?
                 finish();
             }
         }

         mWidgetCell.setOnTouchListener(this);
         mWidgetCell.setOnLongClickListener(this);

         // savedInstanceState is null when the activity is created the first time (i.e., avoids
         // duplicate logging during rotation)
         if (savedInstanceState == null) {
             logCommand(Action.Command.ENTRY);
         }
     }

     @Override
     public boolean onTouch(View view, MotionEvent motionEvent) {
         mLastTouchPos.set(motionEvent.getX(), motionEvent.getY());
         return false;
     }

     @Override
     public boolean onLongClick(View view) {
         // Find the position of the preview relative to the touch location.
         WidgetImageView img = mWidgetCell.getWidgetView();

         // If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and
         // we abort the drag.
         if (img.getBitmap() == null) {
             return false;
         }

         Rect bounds = img.getBitmapBounds();
         bounds.offset(img.getLeft() - (int) mLastTouchPos.x, img.getTop() - (int) mLastTouchPos.y);

         // Start home and pass the draw request params
         PinItemDragListener listener = new PinItemDragListener(mRequest, bounds,
                 img.getBitmap().getWidth(), img.getWidth());

         Intent homeIntent = listener.addToIntent(
                 new Intent(Intent.ACTION_MAIN)
                         .addCategory(Intent.CATEGORY_HOME)
                         .setPackage(getPackageName())
                         .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK));

         listener.initWhenReady();
         startActivity(homeIntent,
                 ActivityOptions.makeCustomAnimation(this, 0, android.R.anim.fade_out).toBundle());
         mFinishOnPause = true;

         // Start a system drag and drop. We use a transparent bitmap as preview for system drag
         // as the preview is handled internally by launcher.
         ClipDescription description = new ClipDescription("", new String[]{listener.getMimeType()});
         ClipData data = new ClipData(description, new ClipData.Item(""));
         view.startDragAndDrop(data, new DragShadowBuilder(view) {

             @Override
             public void onDrawShadow(Canvas canvas) { }

             @Override
             public void onProvideShadowMetrics(Point outShadowSize, Point outShadowTouchPoint) {
                 outShadowSize.set(SHADOW_SIZE, SHADOW_SIZE);
                 outShadowTouchPoint.set(SHADOW_SIZE / 2, SHADOW_SIZE / 2);
             }
         }, null, View.DRAG_FLAG_GLOBAL);
         return false;
     }

     @Override
     protected void onPause() {
         super.onPause();
         if (mFinishOnPause) {
             finish();
         }
     }

     private void setupShortcut() {
         PinShortcutRequestActivityInfo shortcutInfo =
                 new PinShortcutRequestActivityInfo(mRequest, this);
         WidgetItem item = new WidgetItem(shortcutInfo);
         mWidgetCell.getWidgetView().setTag(new PendingAddShortcutInfo(shortcutInfo));
         mWidgetCell.applyFromCellItem(item, mApp.getWidgetCache());
         mWidgetCell.ensurePreview();
     }

     private boolean setupWidget() {
         LauncherAppWidgetProviderInfo widgetInfo = LauncherAppWidgetProviderInfo
                 .fromProviderInfo(this, mRequest.getAppWidgetProviderInfo(this));
         if (widgetInfo.minSpanX > mIdp.numColumns || widgetInfo.minSpanY > mIdp.numRows) {
             // Cannot add widget
             return false;
         }
         mWidgetCell.setPreview(PinItemDragListener.getPreview(mRequest));

         mAppWidgetManager = AppWidgetManagerCompat.getInstance(this);
         mAppWidgetHost = new LauncherAppWidgetHost(this);

         mPendingWidgetInfo = new PendingAddWidgetInfo(widgetInfo);
         mPendingWidgetInfo.spanX = Math.min(mIdp.numColumns, widgetInfo.spanX);
         mPendingWidgetInfo.spanY = Math.min(mIdp.numRows, widgetInfo.spanY);
         mWidgetOptions = WidgetHostViewLoader.getDefaultOptionsForWidget(this, mPendingWidgetInfo);

         WidgetItem item = new WidgetItem(widgetInfo, getPackageManager(), mIdp);
         mWidgetCell.getWidgetView().setTag(mPendingWidgetInfo);
         mWidgetCell.applyFromCellItem(item, mApp.getWidgetCache());
         mWidgetCell.ensurePreview();
         return true;
     }

     /**
      * Called when the cancel button is clicked.
      */
     public void onCancelClick(View v) {
         logCommand(Action.Command.CANCEL);
         finish();
     }

     /**
      * Called when place-automatically button is clicked.
      */
     public void onPlaceAutomaticallyClick(View v) {
         if (mRequest.getRequestType() == PinItemRequest.REQUEST_TYPE_SHORTCUT) {
             InstallShortcutReceiver.queueShortcut(
                     new ShortcutInfoCompat(mRequest.getShortcutInfo()), this);
             logCommand(Action.Command.CONFIRM);
             mRequest.accept();
             finish();
             return;
         }

         mPendingBindWidgetId = mAppWidgetHost.allocateAppWidgetId();
         boolean success = mAppWidgetManager.bindAppWidgetIdIfAllowed(
                 mPendingBindWidgetId, mRequest.getAppWidgetProviderInfo(this), mWidgetOptions);
         if (success) {
             acceptWidget(mPendingBindWidgetId);
             return;
         }

         // request bind widget
         mAppWidgetHost.startBindFlow(this, mPendingBindWidgetId,
                 mRequest.getAppWidgetProviderInfo(this), REQUEST_BIND_APPWIDGET);
     }

     private void acceptWidget(int widgetId) {
         InstallShortcutReceiver.queueWidget(mRequest.getAppWidgetProviderInfo(this), widgetId, this);
         mWidgetOptions.putInt(AppWidgetManager.EXTRA_APPWIDGET_ID, widgetId);
         mRequest.accept(mWidgetOptions);
         logCommand(Action.Command.CONFIRM);
         finish();
     }

     @Override
     public void onBackPressed() {
         logCommand(Action.Command.BACK);
         super.onBackPressed();
     }

     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (requestCode == REQUEST_BIND_APPWIDGET) {
             int widgetId = data != null
                     ? data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mPendingBindWidgetId)
                     : mPendingBindWidgetId;
             if (resultCode == RESULT_OK) {
                 acceptWidget(widgetId);
             } else {
                 // Simply wait it out.
                 mAppWidgetHost.deleteAppWidgetId(widgetId);
                 mPendingBindWidgetId = -1;
             }
             return;
         }
         super.onActivityResult(requestCode, resultCode, data);
     }

     @Override
     protected void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
         outState.putInt(STATE_EXTRA_WIDGET_ID, mPendingBindWidgetId);
     }

     @Override
     protected void onRestoreInstanceState(Bundle savedInstanceState) {
         super.onRestoreInstanceState(savedInstanceState);
         mPendingBindWidgetId = savedInstanceState
                 .getInt(STATE_EXTRA_WIDGET_ID, mPendingBindWidgetId);
     }

     private void logCommand(int command) {
         getUserEventDispatcher().dispatchUserEvent(newLauncherEvent(
                 newCommandAction(command),
                 newItemTarget(mWidgetCell.getWidgetView()),
                 newContainerTarget(ContainerType.PINITEM)), null);
     }
 }
	/*
	* Copyright (C) 2017 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.launcher3.dragndrop;

	import static com.android.launcher3.logging.LoggerUtils.newCommandAction;
	import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
	import static com.android.launcher3.logging.LoggerUtils.newItemTarget;
	import static com.android.launcher3.logging.LoggerUtils.newLauncherEvent;

	import android.annotation.TargetApi;
	import android.app.ActivityOptions;
	import android.appwidget.AppWidgetManager;
	import android.content.ClipData;
	import android.content.ClipDescription;
	import android.content.Intent;
	import android.content.pm.LauncherApps.PinItemRequest;
	import android.graphics.Canvas;
	import android.graphics.Point;
	import android.graphics.PointF;
	import android.graphics.Rect;
	import android.os.Build;
	import android.os.Bundle;
	import android.view.MotionEvent;
	import android.view.View;
	import android.view.View.DragShadowBuilder;
	import android.view.View.OnLongClickListener;
	import android.view.View.OnTouchListener;

	import com.android.launcher3.BaseActivity;
	import com.android.launcher3.InstallShortcutReceiver;
	import com.android.launcher3.InvariantDeviceProfile;
	import com.android.launcher3.LauncherAppState;
	import com.android.launcher3.LauncherAppWidgetHost;
	import com.android.launcher3.LauncherAppWidgetProviderInfo;
	import com.android.launcher3.R;
	import com.android.launcher3.compat.AppWidgetManagerCompat;
	import com.android.launcher3.compat.LauncherAppsCompatVO;
	import com.android.launcher3.model.WidgetItem;
	import com.android.launcher3.shortcuts.ShortcutInfoCompat;
	import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
	import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
	import com.android.launcher3.widget.PendingAddShortcutInfo;
	import com.android.launcher3.widget.PendingAddWidgetInfo;
	import com.android.launcher3.widget.WidgetHostViewLoader;
	import com.android.launcher3.widget.WidgetImageView;

	@TargetApi(Build.VERSION_CODES.O)
	public class AddItemActivity extends BaseActivity implements OnLongClickListener, OnTouchListener {

	private static final int SHADOW_SIZE = 10;

	private static final int REQUEST_BIND_APPWIDGET = 1;
	private static final String STATE_EXTRA_WIDGET_ID = "state.widget.id";

	private final PointF mLastTouchPos = new PointF();

	private PinItemRequest mRequest;
	private LauncherAppState mApp;
	private InvariantDeviceProfile mIdp;

	private LivePreviewWidgetCell mWidgetCell;

	// Widget request specific options.
	private LauncherAppWidgetHost mAppWidgetHost;
	private AppWidgetManagerCompat mAppWidgetManager;
	private PendingAddWidgetInfo mPendingWidgetInfo;
	private int mPendingBindWidgetId;
	private Bundle mWidgetOptions;

	private boolean mFinishOnPause = false;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);

	mRequest = LauncherAppsCompatVO.getPinItemRequest(getIntent());
	if (mRequest == null) {
	finish();
	return;
	}

	mApp = LauncherAppState.getInstance(this);
	mIdp = mApp.getInvariantDeviceProfile();

	// Use the application context to get the device profile, as in multiwindow-mode, the
	// confirmation activity might be rotated.
	mDeviceProfile = mIdp.getDeviceProfile(getApplicationContext());

	setContentView(R.layout.add_item_confirmation_activity);
	mWidgetCell = findViewById(R.id.widget_cell);

	if (mRequest.getRequestType() == PinItemRequest.REQUEST_TYPE_SHORTCUT) {
	setupShortcut();
	} else {
	if (!setupWidget()) {
	// TODO: show error toast?
	finish();
	}
	}

	mWidgetCell.setOnTouchListener(this);
	mWidgetCell.setOnLongClickListener(this);

	// savedInstanceState is null when the activity is created the first time (i.e., avoids
	// duplicate logging during rotation)
	if (savedInstanceState == null) {
	logCommand(Action.Command.ENTRY);
	}
	}

	@Override
	public boolean onTouch(View view, MotionEvent motionEvent) {
	mLastTouchPos.set(motionEvent.getX(), motionEvent.getY());
	return false;
	}

	@Override
	public boolean onLongClick(View view) {
	// Find the position of the preview relative to the touch location.
	WidgetImageView img = mWidgetCell.getWidgetView();

	// If the ImageView doesn't have a drawable yet, the widget preview hasn't been loaded and
	// we abort the drag.
	if (img.getBitmap() == null) {
	return false;
	}

	Rect bounds = img.getBitmapBounds();
	bounds.offset(img.getLeft() - (int) mLastTouchPos.x, img.getTop() - (int) mLastTouchPos.y);

	// Start home and pass the draw request params
	PinItemDragListener listener = new PinItemDragListener(mRequest, bounds,
	img.getBitmap().getWidth(), img.getWidth());

	Intent homeIntent = listener.addToIntent(
	new Intent(Intent.ACTION_MAIN)
	.addCategory(Intent.CATEGORY_HOME)
	.setPackage(getPackageName())
	.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK));

	listener.initWhenReady();
	startActivity(homeIntent,
	ActivityOptions.makeCustomAnimation(this, 0, android.R.anim.fade_out).toBundle());
	mFinishOnPause = true;

	// Start a system drag and drop. We use a transparent bitmap as preview for system drag
	// as the preview is handled internally by launcher.
	ClipDescription description = new ClipDescription("", new String[]{listener.getMimeType()});
	ClipData data = new ClipData(description, new ClipData.Item(""));
	view.startDragAndDrop(data, new DragShadowBuilder(view) {

	@Override
	public void onDrawShadow(Canvas canvas) { }

	@Override
	public void onProvideShadowMetrics(Point outShadowSize, Point outShadowTouchPoint) {
	outShadowSize.set(SHADOW_SIZE, SHADOW_SIZE);
	outShadowTouchPoint.set(SHADOW_SIZE / 2, SHADOW_SIZE / 2);
	}
	}, null, View.DRAG_FLAG_GLOBAL);
	return false;
	}

	@Override
	protected void onPause() {
	super.onPause();
	if (mFinishOnPause) {
	finish();
	}
	}

	private void setupShortcut() {
	PinShortcutRequestActivityInfo shortcutInfo =
	new PinShortcutRequestActivityInfo(mRequest, this);
	WidgetItem item = new WidgetItem(shortcutInfo);
	mWidgetCell.getWidgetView().setTag(new PendingAddShortcutInfo(shortcutInfo));
	mWidgetCell.applyFromCellItem(item, mApp.getWidgetCache());
	mWidgetCell.ensurePreview();
	}

	private boolean setupWidget() {
	LauncherAppWidgetProviderInfo widgetInfo = LauncherAppWidgetProviderInfo
	.fromProviderInfo(this, mRequest.getAppWidgetProviderInfo(this));
	if (widgetInfo.minSpanX > mIdp.numColumns \|\| widgetInfo.minSpanY > mIdp.numRows) {
	// Cannot add widget
	return false;
	}
	mWidgetCell.setPreview(PinItemDragListener.getPreview(mRequest));

	mAppWidgetManager = AppWidgetManagerCompat.getInstance(this);
	mAppWidgetHost = new LauncherAppWidgetHost(this);

	mPendingWidgetInfo = new PendingAddWidgetInfo(widgetInfo);
	mPendingWidgetInfo.spanX = Math.min(mIdp.numColumns, widgetInfo.spanX);
	mPendingWidgetInfo.spanY = Math.min(mIdp.numRows, widgetInfo.spanY);
	mWidgetOptions = WidgetHostViewLoader.getDefaultOptionsForWidget(this, mPendingWidgetInfo);

	WidgetItem item = new WidgetItem(widgetInfo, getPackageManager(), mIdp);
	mWidgetCell.getWidgetView().setTag(mPendingWidgetInfo);
	mWidgetCell.applyFromCellItem(item, mApp.getWidgetCache());
	mWidgetCell.ensurePreview();
	return true;
	}

	/**
	* Called when the cancel button is clicked.
	*/
	public void onCancelClick(View v) {
	logCommand(Action.Command.CANCEL);
	finish();
	}

	/**
	* Called when place-automatically button is clicked.
	*/
	public void onPlaceAutomaticallyClick(View v) {
	if (mRequest.getRequestType() == PinItemRequest.REQUEST_TYPE_SHORTCUT) {
	InstallShortcutReceiver.queueShortcut(
	new ShortcutInfoCompat(mRequest.getShortcutInfo()), this);
	logCommand(Action.Command.CONFIRM);
	mRequest.accept();
	finish();
	return;
	}

	mPendingBindWidgetId = mAppWidgetHost.allocateAppWidgetId();
	boolean success = mAppWidgetManager.bindAppWidgetIdIfAllowed(
	mPendingBindWidgetId, mRequest.getAppWidgetProviderInfo(this), mWidgetOptions);
	if (success) {
	acceptWidget(mPendingBindWidgetId);
	return;
	}

	// request bind widget
	mAppWidgetHost.startBindFlow(this, mPendingBindWidgetId,
	mRequest.getAppWidgetProviderInfo(this), REQUEST_BIND_APPWIDGET);
	}

	private void acceptWidget(int widgetId) {
	InstallShortcutReceiver.queueWidget(mRequest.getAppWidgetProviderInfo(this), widgetId, this);
	mWidgetOptions.putInt(AppWidgetManager.EXTRA_APPWIDGET_ID, widgetId);
	mRequest.accept(mWidgetOptions);
	logCommand(Action.Command.CONFIRM);
	finish();
	}

	@Override
	public void onBackPressed() {
	logCommand(Action.Command.BACK);
	super.onBackPressed();
	}

	@Override
	public void onActivityResult(int requestCode, int resultCode, Intent data) {
	if (requestCode == REQUEST_BIND_APPWIDGET) {
	int widgetId = data != null
	? data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mPendingBindWidgetId)
	: mPendingBindWidgetId;
	if (resultCode == RESULT_OK) {
	acceptWidget(widgetId);
	} else {
	// Simply wait it out.
	mAppWidgetHost.deleteAppWidgetId(widgetId);
	mPendingBindWidgetId = -1;
	}
	return;
	}
	super.onActivityResult(requestCode, resultCode, data);
	}

	@Override
	protected void onSaveInstanceState(Bundle outState) {
	super.onSaveInstanceState(outState);
	outState.putInt(STATE_EXTRA_WIDGET_ID, mPendingBindWidgetId);
	}

	@Override
	protected void onRestoreInstanceState(Bundle savedInstanceState) {
	super.onRestoreInstanceState(savedInstanceState);
	mPendingBindWidgetId = savedInstanceState
	.getInt(STATE_EXTRA_WIDGET_ID, mPendingBindWidgetId);
	}

	private void logCommand(int command) {
	getUserEventDispatcher().dispatchUserEvent(newLauncherEvent(
	newCommandAction(command),
	newItemTarget(mWidgetCell.getWidgetView()),
	newContainerTarget(ContainerType.PINITEM)), null);
	}
	}