1 files changed, 74 insertions, 0 deletions
diff --git a/input/autofill/AutofillFramework/Application/src/main/java/com/example/android/autofillframework/multidatasetservice/AutofillFieldMetadataCollection.java b/input/autofill/AutofillFramework/Application/src/main/java/com/example/android/autofillframework/multidatasetservice/AutofillFieldMetadataCollection.java
new file mode 100644
index 00000000..f0a9e346
--- /dev/null
+++ b/input/autofill/AutofillFramework/Application/src/main/java/com/example/android/autofillframework/multidatasetservice/AutofillFieldMetadataCollection.java
@@ -0,0 +1,74 @@
+/*
+ * 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.example.android.autofillframework.multidatasetservice;
+
+import android.view.autofill.AutofillId;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+
+/**
+ * Data structure that stores a collection of {@code AutofillFieldMetadata}s. Contains all of the
+ * client's {@code View} hierarchy autofill-relevant metadata.
+ */
+public final class AutofillFieldMetadataCollection {
+
+    private final List<AutofillId> mAutofillIds = new ArrayList<>();
+    private final HashMap<String, List<AutofillFieldMetadata>> mAutofillHintsToFieldsMap = new HashMap<>();
+    private final List<String> mAllAutofillHints = new ArrayList<>();
+    private final List<String> mFocusedAutofillHints = new ArrayList<>();
+    private int mSize = 0;
+    private int mSaveType = 0;
+
+    public void add(AutofillFieldMetadata autofillFieldMetadata) {
+        mSaveType |= autofillFieldMetadata.getSaveType();
+        mSize++;
+        mAutofillIds.add(autofillFieldMetadata.getId());
+        List<String> hintsList = Arrays.asList(autofillFieldMetadata.getHints());
+        mAllAutofillHints.addAll(hintsList);
+        if (autofillFieldMetadata.isFocused()) {
+            mFocusedAutofillHints.addAll(hintsList);
+        }
+        for (String hint : autofillFieldMetadata.getHints()) {
+            if (mAutofillHintsToFieldsMap.get(hint) == null) {
+                mAutofillHintsToFieldsMap.put(hint, new ArrayList<AutofillFieldMetadata>());
+            }
+            mAutofillHintsToFieldsMap.get(hint).add(autofillFieldMetadata);
+        }
+    }
+
+    public int getSaveType() {
+        return mSaveType;
+    }
+
+    public AutofillId[] getAutofillIds() {
+        return mAutofillIds.toArray(new AutofillId[mSize]);
+    }
+
+    public List<AutofillFieldMetadata> getFieldsForHint(String hint) {
+        return mAutofillHintsToFieldsMap.get(hint);
+    }
+
+    public List<String> getFocusedHints() {
+        return mFocusedAutofillHints;
+    }
+
+    public List<String> getAllHints() {
+        return mAllAutofillHints;
+    }
+}