src/com/android/settings/AppWidgetPickActivity.java - LeafOS-Project/android_packages_apps_Settings - Gitiles

 /*
  * Copyright (C) 2009 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.settings;

 import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.Parcelable;
 import android.util.Log;

 import java.text.Collator;
 import java.util.List;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;

 /**
  * Displays a list of {@link AppWidgetProviderInfo} widgets, along with any
  * injected special widgets specified through
  * {@link AppWidgetManager#EXTRA_CUSTOM_INFO} and
  * {@link AppWidgetManager#EXTRA_CUSTOM_EXTRAS}.
  * <p>
  * When an installed {@link AppWidgetProviderInfo} is selected, this activity
  * will bind it to the given {@link AppWidgetManager#EXTRA_APPWIDGET_ID},
  * otherwise it will return the requested extras.
  */
 public class AppWidgetPickActivity extends ActivityPicker {
     private static final String TAG = "AppWidgetPickActivity";
     private static final boolean LOGD = false;

     private PackageManager mPackageManager;
     private AppWidgetManager mAppWidgetManager;

     /**
      * The allocated {@link AppWidgetManager#EXTRA_APPWIDGET_ID} that this
      * activity is binding.
      */
     private int mAppWidgetId;

     @Override
     public void onCreate(Bundle icicle) {
         mPackageManager = getPackageManager();
         mAppWidgetManager = AppWidgetManager.getInstance(this);

         super.onCreate(icicle);

         // Set default return data
         setResultData(RESULT_CANCELED, null);

         // Read the appWidgetId passed our direction, otherwise bail if not found
         final Intent intent = getIntent();
         if (intent.hasExtra(AppWidgetManager.EXTRA_APPWIDGET_ID)) {
             mAppWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
                     AppWidgetManager.INVALID_APPWIDGET_ID);
         } else {
             finish();
         }
     }

     /**
      * Create list entries for any custom widgets requested through
      * {@link AppWidgetManager#EXTRA_CUSTOM_INFO}.
      */
     void putCustomAppWidgets(List<PickAdapter.Item> items) {
         final Bundle extras = getIntent().getExtras();

         // get and validate the extras they gave us
         ArrayList<AppWidgetProviderInfo> customInfo = null;
         ArrayList<Bundle> customExtras = null;
         try_custom_items: {
             customInfo = extras.getParcelableArrayList(AppWidgetManager.EXTRA_CUSTOM_INFO);
             if (customInfo == null || customInfo.size() == 0) {
                 Log.i(TAG, "EXTRA_CUSTOM_INFO not present.");
                 break try_custom_items;
             }

             int customInfoSize = customInfo.size();
             for (int i=0; i<customInfoSize; i++) {
                 Parcelable p = customInfo.get(i);
                 if (p == null || !(p instanceof AppWidgetProviderInfo)) {
                     customInfo = null;
                     Log.e(TAG, "error using EXTRA_CUSTOM_INFO index=" + i);
                     break try_custom_items;
                 }
             }

             customExtras = extras.getParcelableArrayList(AppWidgetManager.EXTRA_CUSTOM_EXTRAS);
             if (customExtras == null) {
                 customInfo = null;
                 Log.e(TAG, "EXTRA_CUSTOM_INFO without EXTRA_CUSTOM_EXTRAS");
                 break try_custom_items;
             }

             int customExtrasSize = customExtras.size();
             if (customInfoSize != customExtrasSize) {
                 Log.e(TAG, "list size mismatch: EXTRA_CUSTOM_INFO: " + customInfoSize
                         + " EXTRA_CUSTOM_EXTRAS: " + customExtrasSize);
                 break try_custom_items;
             }


             for (int i=0; i<customExtrasSize; i++) {
                 Parcelable p = customExtras.get(i);
                 if (p == null || !(p instanceof Bundle)) {
                     customInfo = null;
                     customExtras = null;
                     Log.e(TAG, "error using EXTRA_CUSTOM_EXTRAS index=" + i);
                     break try_custom_items;
                 }
             }
         }

         if (LOGD) Log.d(TAG, "Using " + customInfo.size() + " custom items");
         putAppWidgetItems(customInfo, customExtras, items);
     }

     /**
      * {@inheritDoc}
      */
     @Override
     public void onClick(DialogInterface dialog, int which) {
         Intent intent = getIntentForPosition(which);

         int result;
         if (intent.getExtras() != null) {
             // If there are any extras, it's because this entry is custom.
             // Don't try to bind it, just pass it back to the app.
             setResultData(RESULT_OK, intent);
         } else {
             try {
                 mAppWidgetManager.bindAppWidgetId(mAppWidgetId, intent.getComponent());
                 result = RESULT_OK;
             } catch (IllegalArgumentException e) {
                 // This is thrown if they're already bound, or otherwise somehow
                 // bogus.  Set the result to canceled, and exit.  The app *should*
                 // clean up at this point.  We could pass the error along, but
                 // it's not clear that that's useful -- the widget will simply not
                 // appear.
                 result = RESULT_CANCELED;
             }
             setResultData(result, null);
         }
         finish();
     }

     /**
      * Create list entries for the given {@link AppWidgetProviderInfo} widgets,
      * inserting extras if provided.
      */
     void putAppWidgetItems(List<AppWidgetProviderInfo> appWidgets,
             List<Bundle> customExtras, List<PickAdapter.Item> items) {
         if (appWidgets == null) return;
         final int size = appWidgets.size();
         for (int i = 0; i < size; i++) {
             AppWidgetProviderInfo info = appWidgets.get(i);

             CharSequence label = info.label;
             Drawable icon = null;

             if (info.icon != 0) {
                 icon = mPackageManager.getDrawable(info.provider.getPackageName(), info.icon, null);
                 if (icon == null) {
                     Log.w(TAG, "Can't load icon drawable 0x" + Integer.toHexString(info.icon)
                             + " for provider: " + info.provider);
                 }
             }

             PickAdapter.Item item = new PickAdapter.Item(this, label, icon);

             item.packageName = info.provider.getPackageName();
             item.className = info.provider.getClassName();

             if (customExtras != null) {
                 item.extras = customExtras.get(i);
             }

             items.add(item);
         }
     }

     /**
      * Build and return list of items to be shown in dialog. This will mix both
      * installed {@link AppWidgetProviderInfo} and those provided through
      * {@link AppWidgetManager#EXTRA_CUSTOM_INFO}, sorting them alphabetically.
      */
     @Override
     protected List<PickAdapter.Item> getItems() {
         List<PickAdapter.Item> items = new ArrayList<PickAdapter.Item>();

         putInstalledAppWidgets(items);
         putCustomAppWidgets(items);

         // Sort all items together by label
         Collections.sort(items, new Comparator<PickAdapter.Item>() {
                 Collator mCollator = Collator.getInstance();
                 public int compare(PickAdapter.Item lhs, PickAdapter.Item rhs) {
                     return mCollator.compare(lhs.label, rhs.label);
                 }
             });

         return items;
     }

     /**
      * Create list entries for installed {@link AppWidgetProviderInfo} widgets.
      */
     void putInstalledAppWidgets(List<PickAdapter.Item> items) {
         List<AppWidgetProviderInfo> installed = mAppWidgetManager.getInstalledProviders();
         putAppWidgetItems(installed, null, items);
     }

     /**
      * Convenience method for setting the result code and intent. This method
      * correctly injects the {@link AppWidgetManager#EXTRA_APPWIDGET_ID} that
      * most hosts expect returned.
      */
     void setResultData(int code, Intent intent) {
         Intent result = intent != null ? intent : new Intent();
         result.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mAppWidgetId);
         setResult(code, result);
     }
 }
	/*
	* Copyright (C) 2009 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.settings;

	import android.appwidget.AppWidgetManager;
	import android.appwidget.AppWidgetProviderInfo;
	import android.content.DialogInterface;
	import android.content.Intent;
	import android.content.pm.PackageManager;
	import android.graphics.drawable.Drawable;
	import android.os.Bundle;
	import android.os.Parcelable;
	import android.util.Log;

	import java.text.Collator;
	import java.util.List;
	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.Comparator;

	/**
	* Displays a list of {@link AppWidgetProviderInfo} widgets, along with any
	* injected special widgets specified through
	* {@link AppWidgetManager#EXTRA_CUSTOM_INFO} and
	* {@link AppWidgetManager#EXTRA_CUSTOM_EXTRAS}.
	* <p>
	* When an installed {@link AppWidgetProviderInfo} is selected, this activity
	* will bind it to the given {@link AppWidgetManager#EXTRA_APPWIDGET_ID},
	* otherwise it will return the requested extras.
	*/
	public class AppWidgetPickActivity extends ActivityPicker {
	private static final String TAG = "AppWidgetPickActivity";
	private static final boolean LOGD = false;

	private PackageManager mPackageManager;
	private AppWidgetManager mAppWidgetManager;

	/**
	* The allocated {@link AppWidgetManager#EXTRA_APPWIDGET_ID} that this
	* activity is binding.
	*/
	private int mAppWidgetId;

	@Override
	public void onCreate(Bundle icicle) {
	mPackageManager = getPackageManager();
	mAppWidgetManager = AppWidgetManager.getInstance(this);

	super.onCreate(icicle);

	// Set default return data
	setResultData(RESULT_CANCELED, null);

	// Read the appWidgetId passed our direction, otherwise bail if not found
	final Intent intent = getIntent();
	if (intent.hasExtra(AppWidgetManager.EXTRA_APPWIDGET_ID)) {
	mAppWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
	AppWidgetManager.INVALID_APPWIDGET_ID);
	} else {
	finish();
	}
	}

	/**
	* Create list entries for any custom widgets requested through
	* {@link AppWidgetManager#EXTRA_CUSTOM_INFO}.
	*/
	void putCustomAppWidgets(List<PickAdapter.Item> items) {
	final Bundle extras = getIntent().getExtras();

	// get and validate the extras they gave us
	ArrayList<AppWidgetProviderInfo> customInfo = null;
	ArrayList<Bundle> customExtras = null;
	try_custom_items: {
	customInfo = extras.getParcelableArrayList(AppWidgetManager.EXTRA_CUSTOM_INFO);
	if (customInfo == null \|\| customInfo.size() == 0) {
	Log.i(TAG, "EXTRA_CUSTOM_INFO not present.");
	break try_custom_items;
	}

	int customInfoSize = customInfo.size();
	for (int i=0; i<customInfoSize; i++) {
	Parcelable p = customInfo.get(i);
	if (p == null \|\| !(p instanceof AppWidgetProviderInfo)) {
	customInfo = null;
	Log.e(TAG, "error using EXTRA_CUSTOM_INFO index=" + i);
	break try_custom_items;
	}
	}

	customExtras = extras.getParcelableArrayList(AppWidgetManager.EXTRA_CUSTOM_EXTRAS);
	if (customExtras == null) {
	customInfo = null;
	Log.e(TAG, "EXTRA_CUSTOM_INFO without EXTRA_CUSTOM_EXTRAS");
	break try_custom_items;
	}

	int customExtrasSize = customExtras.size();
	if (customInfoSize != customExtrasSize) {
	Log.e(TAG, "list size mismatch: EXTRA_CUSTOM_INFO: " + customInfoSize
	+ " EXTRA_CUSTOM_EXTRAS: " + customExtrasSize);
	break try_custom_items;
	}


	for (int i=0; i<customExtrasSize; i++) {
	Parcelable p = customExtras.get(i);
	if (p == null \|\| !(p instanceof Bundle)) {
	customInfo = null;
	customExtras = null;
	Log.e(TAG, "error using EXTRA_CUSTOM_EXTRAS index=" + i);
	break try_custom_items;
	}
	}
	}

	if (LOGD) Log.d(TAG, "Using " + customInfo.size() + " custom items");
	putAppWidgetItems(customInfo, customExtras, items);
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public void onClick(DialogInterface dialog, int which) {
	Intent intent = getIntentForPosition(which);

	int result;
	if (intent.getExtras() != null) {
	// If there are any extras, it's because this entry is custom.
	// Don't try to bind it, just pass it back to the app.
	setResultData(RESULT_OK, intent);
	} else {
	try {
	mAppWidgetManager.bindAppWidgetId(mAppWidgetId, intent.getComponent());
	result = RESULT_OK;
	} catch (IllegalArgumentException e) {
	// This is thrown if they're already bound, or otherwise somehow
	// bogus. Set the result to canceled, and exit. The app should
	// clean up at this point. We could pass the error along, but
	// it's not clear that that's useful -- the widget will simply not
	// appear.
	result = RESULT_CANCELED;
	}
	setResultData(result, null);
	}
	finish();
	}

	/**
	* Create list entries for the given {@link AppWidgetProviderInfo} widgets,
	* inserting extras if provided.
	*/
	void putAppWidgetItems(List<AppWidgetProviderInfo> appWidgets,
	List<Bundle> customExtras, List<PickAdapter.Item> items) {
	if (appWidgets == null) return;
	final int size = appWidgets.size();
	for (int i = 0; i < size; i++) {
	AppWidgetProviderInfo info = appWidgets.get(i);

	CharSequence label = info.label;
	Drawable icon = null;

	if (info.icon != 0) {
	icon = mPackageManager.getDrawable(info.provider.getPackageName(), info.icon, null);
	if (icon == null) {
	Log.w(TAG, "Can't load icon drawable 0x" + Integer.toHexString(info.icon)
	+ " for provider: " + info.provider);
	}
	}

	PickAdapter.Item item = new PickAdapter.Item(this, label, icon);

	item.packageName = info.provider.getPackageName();
	item.className = info.provider.getClassName();

	if (customExtras != null) {
	item.extras = customExtras.get(i);
	}

	items.add(item);
	}
	}

	/**
	* Build and return list of items to be shown in dialog. This will mix both
	* installed {@link AppWidgetProviderInfo} and those provided through
	* {@link AppWidgetManager#EXTRA_CUSTOM_INFO}, sorting them alphabetically.
	*/
	@Override
	protected List<PickAdapter.Item> getItems() {
	List<PickAdapter.Item> items = new ArrayList<PickAdapter.Item>();

	putInstalledAppWidgets(items);
	putCustomAppWidgets(items);

	// Sort all items together by label
	Collections.sort(items, new Comparator<PickAdapter.Item>() {
	Collator mCollator = Collator.getInstance();
	public int compare(PickAdapter.Item lhs, PickAdapter.Item rhs) {
	return mCollator.compare(lhs.label, rhs.label);
	}
	});

	return items;
	}

	/**
	* Create list entries for installed {@link AppWidgetProviderInfo} widgets.
	*/
	void putInstalledAppWidgets(List<PickAdapter.Item> items) {
	List<AppWidgetProviderInfo> installed = mAppWidgetManager.getInstalledProviders();
	putAppWidgetItems(installed, null, items);
	}

	/**
	* Convenience method for setting the result code and intent. This method
	* correctly injects the {@link AppWidgetManager#EXTRA_APPWIDGET_ID} that
	* most hosts expect returned.
	*/
	void setResultData(int code, Intent intent) {
	Intent result = intent != null ? intent : new Intent();
	result.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mAppWidgetId);
	setResult(code, result);
	}
	}