Edit contacts UI for PaymentRequest

chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorModel.java

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorModel.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorModel.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorModel.java
new file mode 100644
index 0000000000000000000000000000000000000000..ca423c18660526e4b9d61391c158e2c009b85088
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorModel.java
@@ -0,0 +1,85 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.payments.ui;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.annotation.Nullable;
+
+/**
+ * Representation of an editor layout. Can be used, for example, to edit contact information.
+ */
+public class EditorModel {
+    private final String mTitle;
+    private final List<EditorFieldModel> mFields;
+    @Nullable private Runnable mDoneCallback;
+    @Nullable private Runnable mCancelCallback;
+
+    /**
+     * Constructs an editor model.
+     *
+     * @param title The title for the editor window.
+     */
+    public EditorModel(String title) {
+        mTitle = title;
+        mFields = new ArrayList<>();
+    }
+
+    /** @return The title of the editor window. */
+    public String getTitle() {
+        return mTitle;
+    }
+
+    /** @return The input fields for the editor. */
+    public List<EditorFieldModel> getFields() {
+        return mFields;
+    }
+
+    /**
+     * Adds an input field to the editor.
+     *
+     * @param field The input field to add.
+     */
+    public void addField(EditorFieldModel field) {
+        mFields.add(field);
+    }
+
+    /**
+     * Specifies the callback to invoke when the user clicks "Done."
+     *
+     * @param callback The callback to invoke when the user clicks "Done."
+     */
+    public void setDoneCallback(Runnable callback) {
+        mDoneCallback = callback;
+    }
+
+    /**
+     * Specifies the callback to invoke when the user clicks "Cancel."
+     *
+     * @param callback The callback to invoke when the user clicks "Cancel."
+     */
+    public void setCancelCallback(Runnable callback) {
+        mCancelCallback = callback;
+    }
+
+    /**
+     * Called when the user clicks "Done."
+     */
+    public void done() {
+        if (mDoneCallback != null) mDoneCallback.run();
+        mDoneCallback = null;
+        mCancelCallback = null;
+    }
+
+    /**
+     * Called when the user clicks "Cancel."
+     */
+    public void cancel() {
+        if (mCancelCallback != null) mCancelCallback.run();
+        mDoneCallback = null;
+        mCancelCallback = null;
+    }
+}