Expose text track settings in Content and implement for Android

content/public/android/java/src/org/chromium/content/browser/accessibility/captioning/TextTrackSettings.java

Index: content/public/android/java/src/org/chromium/content/browser/accessibility/captioning/TextTrackSettings.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/accessibility/captioning/TextTrackSettings.java b/content/public/android/java/src/org/chromium/content/browser/accessibility/captioning/TextTrackSettings.java
new file mode 100644
index 0000000000000000000000000000000000000000..e9986006942bcded9199ba147232e419255c0316
--- /dev/null
+++ b/content/public/android/java/src/org/chromium/content/browser/accessibility/captioning/TextTrackSettings.java
@@ -0,0 +1,111 @@
+// Copyright 2015 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.content.browser.accessibility.captioning;
+
+import android.annotation.TargetApi;
+import android.os.Build;
+
+import java.util.Objects;
+
+/**
+ * Bundles the Closed Caption Track Settings and ensures that non-null
+ * strings are used used by the recipient of this bundle.
+ */
+@TargetApi(Build.VERSION_CODES.KITKAT)
+public final class TextTrackSettings {
+    private static final String DEFAULT_VALUE = "";
+    private String mTextTrackBackgroundColor;
+    private String mTextTrackFontFamily;
+    private String mTextTrackFontStyle;
+    private String mTextTrackFontVariant;
+    private String mTextTrackTextColor;
+    private String mTextTrackTextShadow;
+    private String mTextTrackTextSize;
+
+    /**
+     * Constructs a new TextTrackSettings object that will
+     * return "" for all text track properties.
+     */
+    public TextTrackSettings() {}
+
+    /**
+     * Constructs a new TextTrackSettings object
+     *
+     * @param textTrackBackgroundColor the background color
+     * @param textTrackFontFamily the font family
+     * @param textTrackFontStyle the font style
+     * @param textTrackFontVariant the font variant
+     * @param textTrackTextColor the text color
+     * @param textTrackTextShadow the text shadow
+     * @param textTrackTextSize the text size
+     */
+    public TextTrackSettings(String textTrackBackgroundColor, String textTrackFontFamily,
+            String textTrackFontStyle, String textTrackFontVariant, String textTrackTextColor,
+            String textTrackTextShadow, String textTrackTextSize) {
+        mTextTrackBackgroundColor = textTrackBackgroundColor;
+        mTextTrackFontFamily = textTrackFontFamily;
+        mTextTrackFontStyle = textTrackFontStyle;
+        mTextTrackFontVariant = textTrackFontVariant;
+        mTextTrackTextColor = textTrackTextColor;
+        mTextTrackTextShadow = textTrackTextShadow;
+        mTextTrackTextSize = textTrackTextSize;
+    }
+
+    /**
+     * @return the text track background color. Will return "" if the
+     *         value is null
+     */
+    public String getTextTrackBackgroundColor() {
+        return Objects.toString(mTextTrackBackgroundColor, DEFAULT_VALUE);
+    }
+
+    /**
+     * @return the text track font family. Will return "" if the
+     *         value is null
+     */
+    public String getTextTrackFontFamily() {
+        return Objects.toString(mTextTrackFontFamily, DEFAULT_VALUE);
+    }
+
+    /**
+     * @return the text track font style. Will return "" if the
+     *         value is null
+     */
+    public String getTextTrackFontStyle() {
+        return Objects.toString(mTextTrackFontStyle, DEFAULT_VALUE);
+    }
+
+    /**
+     * @return the text track font variant. Will return "" if the
+     *         value is null
+     */
+    public String getTextTrackFontVariant() {
+        return Objects.toString(mTextTrackFontVariant, DEFAULT_VALUE);
+    }
+
+    /**
+     * @return the text track text color. Will return "" if the
+     *         value is null
+     */
+    public String getTextTrackTextColor() {
+        return Objects.toString(mTextTrackTextColor, DEFAULT_VALUE);
+    }
+
+    /**
+     * @return the text track text shadow. Will return "" if the
+     *         value is null
+     */
+    public String getTextTrackTextShadow() {
+        return Objects.toString(mTextTrackTextShadow, DEFAULT_VALUE);
+    }
+
+    /**
+     * @return the text track text size. Will return "" if the
+     *         value is null
+     */
+    public String getTextTrackTextSize() {
+        return Objects.toString(mTextTrackTextSize, DEFAULT_VALUE);
+    }
+}