New API to allow third-party apps to bind widgets

Change-Id: Ieec9f247fdbfc02c2ad8f5bb7f6b9efe0669af84
2012-04-20 01:47:44 -07:00
parent 17f67ad967
commit c9029d99a3
6 changed files with 220 additions and 10 deletions
--- a/src/com/android/settings/AllowBindAppWidgetActivity.java
+++ b/src/com/android/settings/AllowBindAppWidgetActivity.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2012 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.app.AlertDialog;
+import android.appwidget.AppWidgetManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.widget.CheckBox;
+
+import com.android.internal.app.AlertActivity;
+import com.android.internal.app.AlertController;
+
+/**
+ * This activity is displayed when an app launches the BIND_APPWIDGET intent. This allows apps
+ * that don't have the BIND_APPWIDGET permission to bind specific widgets.
+ */
+public class AllowBindAppWidgetActivity extends AlertActivity implements
+        DialogInterface.OnClickListener {
+
+    private CheckBox mAlwaysUse;
+    private int mAppWidgetId;
+    private ComponentName mComponentName;
+    private String mCallingPackage;
+    private AppWidgetManager mAppWidgetManager;
+
+    // Indicates whether this activity was closed because of a click
+    private boolean mClicked;
+
+    public void onClick(DialogInterface dialog, int which) {
+        if (which == AlertDialog.BUTTON_POSITIVE) {
+            // By default, set the result to cancelled
+            setResult(RESULT_CANCELED);
+            if (mAppWidgetId != -1 && mComponentName != null && mCallingPackage != null) {
+                try {
+                    mAppWidgetManager.bindAppWidgetId(mAppWidgetId, mComponentName);
+                    Intent result = new Intent();
+                    result.putExtra("EXTRA_APPWIDGET_ID", mAppWidgetId);
+                    setResult(RESULT_OK);
+                } catch (Exception e) {
+                    Log.v("BIND_APPWIDGET", "Error binding widget with id "
+                            + mAppWidgetId + " and component " + mComponentName);
+                }
+            }
+            boolean alwaysAllowBind = mAlwaysUse.isChecked();
+            if (alwaysAllowBind != mAppWidgetManager.hasBindAppWidgetPermission(mCallingPackage)) {
+                mAppWidgetManager.setBindAppWidgetPermission(mCallingPackage, alwaysAllowBind);
+            }
+        }
+        finish();
+    }
+
+    protected void onDestroy() {
+        if (!mClicked) {
+            setResult(RESULT_CANCELED);
+            finish();
+        }
+        super.onDestroy();
+    }
+
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Intent intent = getIntent();
+        CharSequence label = "";
+        if (intent != null) {
+            try {
+                mAppWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);
+                mComponentName = (ComponentName)
+                        intent.getParcelableExtra(AppWidgetManager.EXTRA_APPWIDGET_PROVIDER);
+                mCallingPackage = getCallingPackage();
+                PackageManager pm = getPackageManager();
+                ApplicationInfo ai = pm.getApplicationInfo(mCallingPackage, 0);
+                label = pm.getApplicationLabel(ai);
+            } catch (Exception e) {
+                mAppWidgetId = -1;
+                mComponentName = null;
+                mCallingPackage = null;
+                Log.v("BIND_APPWIDGET", "Error getting parameters");
+                setResult(RESULT_CANCELED);
+                finish();
+                return;
+            }
+        }
+        AlertController.AlertParams ap = mAlertParams;
+        ap.mTitle = getString(R.string.allow_bind_app_widget_activity_allow_bind_title);
+        ap.mMessage = getString(R.string.allow_bind_app_widget_activity_allow_bind, label);
+        ap.mPositiveButtonText = getString(R.string.create);
+        ap.mNegativeButtonText = getString(android.R.string.cancel);
+        ap.mPositiveButtonListener = this;
+        ap.mNegativeButtonListener = this;
+        LayoutInflater inflater =
+                (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        ap.mView = inflater.inflate(com.android.internal.R.layout.always_use_checkbox, null);
+        mAlwaysUse = (CheckBox) ap.mView.findViewById(com.android.internal.R.id.alwaysUse);
+        mAlwaysUse.setText(getString(R.string.allow_bind_app_widget_activity_always_allow_bind, label));
+
+        mAlwaysUse.setPadding(mAlwaysUse.getPaddingLeft(),
+                mAlwaysUse.getPaddingTop(),
+                mAlwaysUse.getPaddingRight(),
+                (int) (mAlwaysUse.getPaddingBottom() +
+                        getResources().getDimension(R.dimen.bind_app_widget_dialog_checkbox_bottom_padding)));
+
+        mAppWidgetManager = AppWidgetManager.getInstance(this);
+        mAlwaysUse.setChecked(mAppWidgetManager.hasBindAppWidgetPermission(mCallingPackage));
+
+        setupAlert();
+    }
+}