Merge pull request #748 from Speech-Rule-Engine/feature/depth_transla…

…tion

Adds depth and actionable computations to speech generator.

ts/speech_generator/abstract_speech_generator.ts

@@ -27,6 +27,7 @@ import { SpeechGenerator } from './speech_generator.js';
 import * as SpeechGeneratorUtil from './speech_generator_util.js';
 import * as EngineConst from '../common/engine_const.js';
 import { SemanticNode } from '../semantic_tree/semantic_node.js';
+import { LOCALE } from '../l10n/locale.js';
 
 import { ClearspeakPreferences } from '../speech_rules/clearspeak_preferences.js';
 
@@ -181,4 +182,21 @@ export abstract class AbstractSpeechGenerator implements SpeechGenerator {
     return style;
   }
 
+  /**
+   * @override
+   */
+  public getLevel(depth: string) {
+    return LOCALE.MESSAGES.navigate.LEVEL + ' ' + depth;
+  }
+
+  /**
+   * @override
+   */
+  public getActionable(actionable: number) {
+    return actionable ? (
+      actionable < 0 ? LOCALE.MESSAGES.navigate.EXPANDABLE :
+        LOCALE.MESSAGES.navigate.COLLAPSIBLE
+    ) : '';
+  }
+
 }

ts/speech_generator/speech_generator.ts

@@ -101,4 +101,21 @@ export interface SpeechGenerator {
    */
   nextStyle(id: string): void;
 
+  /**
+   * Returns the localised message if an element is actionable.
+   * <1: exandable
+   * >1: collapsible
+   * 0 : empty
+   *
+   * @param {number} actionable The actionable value.
+   */
+  getActionable(actionable: number): string;
+
+  /**
+   * The localised depth message.
+   *
+   * @param {string} depth The nesting level of a node.
+   */
+  getLevel(depth: string): string;
+
 }

ts/speech_generator/summary_speech_generator.ts

@@ -40,4 +40,5 @@ export class SummarySpeechGenerator extends AbstractSpeechGenerator {
     const speech = node.getAttribute(Attribute.SUMMARY);
     return speech;
   }
+
 }