1 files changed, 83 insertions, 0 deletions
diff --git a/library/main/src/com/android/setupwizardlib/template/NavigationBarMixin.java b/library/main/src/com/android/setupwizardlib/template/NavigationBarMixin.java
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+/*
+ * 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.setupwizardlib.template;
+
+import android.view.View;
+
+import com.android.setupwizardlib.R;
+import com.android.setupwizardlib.TemplateLayout;
+import com.android.setupwizardlib.view.NavigationBar;
+import com.android.setupwizardlib.view.NavigationBar.NavigationBarListener;
+
+/**
+ * A {@link Mixin} for interacting with a {@link NavigationBar}.
+ */
+public class NavigationBarMixin implements Mixin {
+
+    private TemplateLayout mTemplateLayout;
+
+    /**
+     * @param layout The layout this mixin belongs to.
+     */
+    public NavigationBarMixin(TemplateLayout layout) {
+        mTemplateLayout = layout;
+    }
+
+    /**
+     * @return The navigation bar instance in the layout, or null if the layout does not have a
+     *         navigation bar.
+     */
+    public NavigationBar getNavigationBar() {
+        final View view = mTemplateLayout.findManagedViewById(R.id.suw_layout_navigation_bar);
+        return view instanceof NavigationBar ? (NavigationBar) view : null;
+    }
+
+    /**
+     * Sets the label of the next button.
+     *
+     * @param text Label of the next button.
+     */
+    public void setNextButtonText(int text) {
+        getNavigationBar().getNextButton().setText(text);
+    }
+
+    /**
+     * Sets the label of the next button.
+     *
+     * @param text Label of the next button.
+     */
+    public void setNextButtonText(CharSequence text) {
+        getNavigationBar().getNextButton().setText(text);
+    }
+
+    /**
+     * @return The current label of the next button.
+     */
+    public CharSequence getNextButtonText() {
+        return getNavigationBar().getNextButton().getText();
+    }
+
+    /**
+     * Sets the listener to handle back and next button clicks in the navigation bar.
+     *
+     * @see NavigationBar#setNavigationBarListener(NavigationBarListener)
+     * @see NavigationBarListener
+     */
+    public void setNavigationBarListener(NavigationBarListener listener) {
+        getNavigationBar().setNavigationBarListener(listener);
+    }
+}