Introduce ttcIndex attribute into system font configuration.

ttcIndex is used for specifying index of the TrueType Collection.
No user visible change is expected with this CL.

BUG: 10861108
Change-Id: I76a1c890164bb55a7ece7b9c7db2ce2bac3f8b89
diff --git a/core/jni/android/graphics/FontFamily.cpp b/core/jni/android/graphics/FontFamily.cpp
index dac6d96..ab0df55 100644
--- a/core/jni/android/graphics/FontFamily.cpp
+++ b/core/jni/android/graphics/FontFamily.cpp
@@ -56,10 +56,11 @@
     return result;
 }
 
-static jboolean FontFamily_addFont(JNIEnv* env, jobject clazz, jlong familyPtr, jstring path) {
+static jboolean FontFamily_addFont(JNIEnv* env, jobject clazz, jlong familyPtr, jstring path,
+        jint ttcIndex) {
     NPE_CHECK_RETURN_ZERO(env, path);
     ScopedUtfChars str(env, path);
-    SkTypeface* face = SkTypeface::CreateFromFile(str.c_str());
+    SkTypeface* face = SkTypeface::CreateFromFile(str.c_str(), ttcIndex);
     if (face == NULL) {
         ALOGE("addFont failed to create font %s", str.c_str());
         return false;
@@ -69,10 +70,10 @@
 }
 
 static jboolean FontFamily_addFontWeightStyle(JNIEnv* env, jobject clazz, jlong familyPtr,
-        jstring path, jint weight, jboolean isItalic) {
+        jstring path, jint ttcIndex, jint weight, jboolean isItalic) {
     NPE_CHECK_RETURN_ZERO(env, path);
     ScopedUtfChars str(env, path);
-    SkTypeface* face = SkTypeface::CreateFromFile(str.c_str());
+    SkTypeface* face = SkTypeface::CreateFromFile(str.c_str(), ttcIndex);
     if (face == NULL) {
         ALOGE("addFont failed to create font %s", str.c_str());
         return false;
@@ -127,8 +128,8 @@
 static const JNINativeMethod gFontFamilyMethods[] = {
     { "nCreateFamily",         "(Ljava/lang/String;I)J", (void*)FontFamily_create },
     { "nUnrefFamily",          "(J)V", (void*)FontFamily_unref },
-    { "nAddFont",              "(JLjava/lang/String;)Z", (void*)FontFamily_addFont },
-    { "nAddFontWeightStyle",   "(JLjava/lang/String;IZ)Z", (void*)FontFamily_addFontWeightStyle },
+    { "nAddFont",              "(JLjava/lang/String;I)Z", (void*)FontFamily_addFont },
+    { "nAddFontWeightStyle",   "(JLjava/lang/String;IIZ)Z", (void*)FontFamily_addFontWeightStyle },
     { "nAddFontFromAsset",     "(JLandroid/content/res/AssetManager;Ljava/lang/String;)Z",
                                            (void*)FontFamily_addFontFromAsset },
 };
diff --git a/graphics/java/android/graphics/FontFamily.java b/graphics/java/android/graphics/FontFamily.java
index b8b7e76..6309ed3 100644
--- a/graphics/java/android/graphics/FontFamily.java
+++ b/graphics/java/android/graphics/FontFamily.java
@@ -58,12 +58,12 @@
         }
     }
 
-    public boolean addFont(String path) {
-        return nAddFont(mNativePtr, path);
+    public boolean addFont(String path, int ttcIndex) {
+        return nAddFont(mNativePtr, path, ttcIndex);
     }
 
-    public boolean addFontWeightStyle(String path, int weight, boolean style) {
-        return nAddFontWeightStyle(mNativePtr, path, weight, style);
+    public boolean addFontWeightStyle(String path, int ttcIndex, int weight, boolean style) {
+        return nAddFontWeightStyle(mNativePtr, path, ttcIndex, weight, style);
     }
 
     public boolean addFontFromAsset(AssetManager mgr, String path) {
@@ -72,9 +72,9 @@
 
     private static native long nCreateFamily(String lang, int variant);
     private static native void nUnrefFamily(long nativePtr);
-    private static native boolean nAddFont(long nativeFamily, String path);
+    private static native boolean nAddFont(long nativeFamily, String path, int ttcIndex);
     private static native boolean nAddFontWeightStyle(long nativeFamily, String path,
-            int weight, boolean isItalic);
+            int ttcIndex, int weight, boolean isItalic);
     private static native boolean nAddFontFromAsset(long nativeFamily, AssetManager mgr,
             String path);
 }
diff --git a/graphics/java/android/graphics/FontListParser.java b/graphics/java/android/graphics/FontListParser.java
index 97081f9..e4494ca 100644
--- a/graphics/java/android/graphics/FontListParser.java
+++ b/graphics/java/android/graphics/FontListParser.java
@@ -43,12 +43,14 @@
     }
 
     public static class Font {
-        Font(String fontName, int weight, boolean isItalic) {
+        Font(String fontName, int ttcIndex, int weight, boolean isItalic) {
             this.fontName = fontName;
+            this.ttcIndex = ttcIndex;
             this.weight = weight;
             this.isItalic = isItalic;
         }
         public String fontName;
+        public int ttcIndex;
         public int weight;
         public boolean isItalic;
     }
@@ -112,12 +114,13 @@
             if (parser.getEventType() != XmlPullParser.START_TAG) continue;
             String tag = parser.getName();
             if (tag.equals("font")) {
+                int ttcIndex = Integer.parseInt(parser.getAttributeValue("0", "ttcIndex"));
                 String weightStr = parser.getAttributeValue(null, "weight");
                 int weight = weightStr == null ? 400 : Integer.parseInt(weightStr);
                 boolean isItalic = "italic".equals(parser.getAttributeValue(null, "style"));
                 String filename = parser.nextText();
                 String fullFilename = "/system/fonts/" + filename;
-                fonts.add(new Font(fullFilename, weight, isItalic));
+                fonts.add(new Font(fullFilename, ttcIndex, weight, isItalic));
             } else {
                 skip(parser);
             }
diff --git a/graphics/java/android/graphics/Typeface.java b/graphics/java/android/graphics/Typeface.java
index 7eb5584..1294323 100644
--- a/graphics/java/android/graphics/Typeface.java
+++ b/graphics/java/android/graphics/Typeface.java
@@ -209,7 +209,7 @@
     public static Typeface createFromFile(String path) {
         if (sFallbackFonts != null) {
             FontFamily fontFamily = new FontFamily();
-            if (fontFamily.addFont(path)) {
+            if (fontFamily.addFont(path, 0 /* ttcIndex */)) {
                 FontFamily[] families = { fontFamily };
                 return createFromFamiliesWithDefault(families);
             }
@@ -262,7 +262,7 @@
     private static FontFamily makeFamilyFromParsed(FontListParser.Family family) {
         FontFamily fontFamily = new FontFamily(family.lang, family.variant);
         for (FontListParser.Font font : family.fonts) {
-            fontFamily.addFontWeightStyle(font.fontName, font.weight, font.isItalic);
+            fontFamily.addFontWeightStyle(font.fontName, font.ttcIndex, font.weight, font.isItalic);
         }
         return fontFamily;
     }