Merge "Declarative downloadable fonts"
diff --git a/api/current.txt b/api/current.txt
index 2c20982..5a5f9bc 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -601,6 +601,8 @@
field public static final int font = 16844082; // 0x1010532
field public static final int fontFamily = 16843692; // 0x10103ac
field public static final int fontFeatureSettings = 16843959; // 0x10104b7
+ field public static final int fontProviderAuthority = 16844114; // 0x1010552
+ field public static final int fontProviderQuery = 16844115; // 0x1010553
field public static final int fontStyle = 16844081; // 0x1010531
field public static final int fontWeight = 16844083; // 0x1010533
field public static final int footerDividersEnabled = 16843311; // 0x101022f
diff --git a/api/system-current.txt b/api/system-current.txt
index bafd355..acbd8b9 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -713,6 +713,8 @@
field public static final int font = 16844082; // 0x1010532
field public static final int fontFamily = 16843692; // 0x10103ac
field public static final int fontFeatureSettings = 16843959; // 0x10104b7
+ field public static final int fontProviderAuthority = 16844114; // 0x1010552
+ field public static final int fontProviderQuery = 16844115; // 0x1010553
field public static final int fontStyle = 16844081; // 0x1010531
field public static final int fontWeight = 16844083; // 0x1010533
field public static final int footerDividersEnabled = 16843311; // 0x101022f
diff --git a/api/test-current.txt b/api/test-current.txt
index 43f1a2e..4de1b1d 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -601,6 +601,8 @@
field public static final int font = 16844082; // 0x1010532
field public static final int fontFamily = 16843692; // 0x10103ac
field public static final int fontFeatureSettings = 16843959; // 0x10104b7
+ field public static final int fontProviderAuthority = 16844114; // 0x1010552
+ field public static final int fontProviderQuery = 16844115; // 0x1010553
field public static final int fontStyle = 16844081; // 0x1010531
field public static final int fontWeight = 16844083; // 0x1010533
field public static final int footerDividersEnabled = 16843311; // 0x101022f
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 50fee83..376823e 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -5722,6 +5722,24 @@
} finally {
StrictMode.setThreadPolicy(savedPolicy);
}
+
+ // Preload fonts resources
+ try {
+ final ApplicationInfo info =
+ sPackageManager.getApplicationInfo(
+ data.appInfo.packageName,
+ PackageManager.GET_META_DATA /*flags*/,
+ UserHandle.myUserId());
+ if (info.metaData != null) {
+ final int preloadedFontsResource = info.metaData.getInt(
+ ApplicationInfo.METADATA_PRELOADED_FONTS, 0);
+ if (preloadedFontsResource != 0) {
+ data.info.mResources.preloadFonts(preloadedFontsResource);
+ }
+ }
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
}
/*package*/ final void finishInstrumentation(int resultCode, Bundle results) {
diff --git a/core/java/android/content/pm/ApplicationInfo.java b/core/java/android/content/pm/ApplicationInfo.java
index 8465f0f..1fa4181 100644
--- a/core/java/android/content/pm/ApplicationInfo.java
+++ b/core/java/android/content/pm/ApplicationInfo.java
@@ -573,6 +573,11 @@
public int privateFlags;
/**
+ * @hide
+ */
+ public static final String METADATA_PRELOADED_FONTS = "preloaded_fonts";
+
+ /**
* The required smallest screen width the application can run on. If 0,
* nothing has been specified. Comes from
* {@link android.R.styleable#AndroidManifestSupportsScreens_requiresSmallestWidthDp
diff --git a/core/java/android/content/res/FontResourcesParser.java b/core/java/android/content/res/FontResourcesParser.java
index 7ea62db..3f8f90e 100644
--- a/core/java/android/content/res/FontResourcesParser.java
+++ b/core/java/android/content/res/FontResourcesParser.java
@@ -64,6 +64,17 @@
private static FontConfig.Family readFamily(XmlPullParser parser, Resources resources)
throws XmlPullParserException, IOException {
+ AttributeSet attrs = Xml.asAttributeSet(parser);
+ TypedArray array = resources.obtainAttributes(attrs, R.styleable.FontFamily);
+ String authority = array.getString(R.styleable.FontFamily_fontProviderAuthority);
+ String query = array.getString(R.styleable.FontFamily_fontProviderQuery);
+ array.recycle();
+ if (authority != null && query != null) {
+ while (parser.next() != XmlPullParser.END_TAG) {
+ skip(parser);
+ }
+ return new FontConfig.Family(authority, query);
+ }
List<FontConfig.Font> fonts = new ArrayList<>();
while (parser.next() != XmlPullParser.END_TAG) {
if (parser.getEventType() != XmlPullParser.START_TAG) continue;
@@ -84,11 +95,12 @@
int weight = array.getInt(R.styleable.FontFamilyFont_fontWeight, NORMAL_WEIGHT);
boolean isItalic = ITALIC == array.getInt(R.styleable.FontFamilyFont_fontStyle, 0);
String filename = array.getString(R.styleable.FontFamilyFont_font);
+ int resourceId = array.getResourceId(R.styleable.FontFamilyFont_font, 0);
array.recycle();
while (parser.next() != XmlPullParser.END_TAG) {
skip(parser);
}
- return new FontConfig.Font(filename, 0, null, weight, isItalic);
+ return new FontConfig.Font(filename, 0, null, weight, isItalic, resourceId);
}
private static void skip(XmlPullParser parser) throws XmlPullParserException, IOException {
diff --git a/core/java/android/content/res/Resources.java b/core/java/android/content/res/Resources.java
index 04e4454..21d4b22 100644
--- a/core/java/android/content/res/Resources.java
+++ b/core/java/android/content/res/Resources.java
@@ -373,6 +373,20 @@
}
/**
+ * @hide
+ */
+ public void preloadFonts(@FontRes int id) {
+ final TypedValue value = obtainTempTypedValue();
+ try {
+ final ResourcesImpl impl = mResourcesImpl;
+ impl.getValue(id, value, true);
+ impl.preloadFonts(this, value, id);
+ } finally {
+ releaseTempTypedValue(value);
+ }
+ }
+
+ /**
* Returns the character sequence necessary for grammatically correct pluralization
* of the given resource ID for the given quantity.
* Note that the character sequence is selected based solely on grammatical necessity,
diff --git a/core/java/android/content/res/ResourcesImpl.java b/core/java/android/content/res/ResourcesImpl.java
index bf81096..38efa49 100644
--- a/core/java/android/content/res/ResourcesImpl.java
+++ b/core/java/android/content/res/ResourcesImpl.java
@@ -32,6 +32,7 @@
import android.content.pm.ActivityInfo.Config;
import android.content.res.Configuration.NativeConfig;
import android.content.res.Resources.NotFoundException;
+import android.graphics.FontFamily;
import android.graphics.Typeface;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
@@ -52,6 +53,7 @@
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
+import java.util.List;
import java.util.Locale;
/**
@@ -782,6 +784,43 @@
}
/**
+ * @hide
+ */
+ public void preloadFonts(Resources wrapper, TypedValue value, int id) {
+ if (value.string == null) {
+ throw new NotFoundException("Resource \"" + getResourceName(id) + "\" ("
+ + Integer.toHexString(id) + ") is not a Font: " + value);
+ }
+
+ final String file = value.string.toString();
+
+ Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, file);
+ try {
+ final XmlResourceParser rp = loadXmlResourceParser(
+ file, id, value.assetCookie, "font");
+ final FontConfig config = FontResourcesParser.parse(rp, wrapper);
+ final List<FontConfig.Family> families = config.getFamilies();
+ if (families == null || families.isEmpty()) {
+ return;
+ }
+ for (int j = 0; j < families.size(); j++) {
+ final FontConfig.Family family = families.get(j);
+ final List<FontConfig.Font> fonts = family.getFonts();
+ for (int i = 0; i < fonts.size(); i++) {
+ int resourceId = fonts.get(i).getResourceId();
+ wrapper.getFont(resourceId);
+ }
+ }
+ } catch (XmlPullParserException e) {
+ Log.e(TAG, "Failed to parse xml resource " + file, e);
+ } catch (IOException e) {
+ Log.e(TAG, "Failed to read xml resource " + file, e);
+ } finally {
+ Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
+ }
+ }
+
+ /**
* Given the value and id, we can get the XML filename as in value.data, based on that, we
* first try to load CSL from the cache. If not found, try to get from the constant state.
* Last, parse the XML and generate the CSL.
diff --git a/core/java/android/text/FontConfig.java b/core/java/android/text/FontConfig.java
index 3048a38..82e44dc 100644
--- a/core/java/android/text/FontConfig.java
+++ b/core/java/android/text/FontConfig.java
@@ -170,14 +170,24 @@
private final int mWeight;
private final boolean mIsItalic;
private ParcelFileDescriptor mFd;
+ private final int mResourceId;
- public Font(String fontName, int ttcIndex, List<Axis> axes, int weight, boolean isItalic) {
+ /**
+ * @hide
+ */
+ public Font(String fontName, int ttcIndex, List<Axis> axes, int weight, boolean isItalic,
+ int resourceId) {
mFontName = fontName;
mTtcIndex = ttcIndex;
mAxes = axes;
mWeight = weight;
mIsItalic = isItalic;
mFd = null;
+ mResourceId = resourceId;
+ }
+
+ public Font(String fontName, int ttcIndex, List<Axis> axes, int weight, boolean isItalic) {
+ this(fontName, ttcIndex, axes, weight, isItalic, 0);
}
public Font(Font origin) {
@@ -193,6 +203,7 @@
e.printStackTrace();
}
}
+ mResourceId = origin.mResourceId;
}
/**
@@ -254,6 +265,13 @@
/**
* @hide
*/
+ public int getResourceId() {
+ return mResourceId;
+ }
+
+ /**
+ * @hide
+ */
public Font(Parcel in) {
mFontName = in.readString();
mTtcIndex = in.readInt();
@@ -269,6 +287,7 @@
} else {
mFd = null;
}
+ mResourceId = in.readInt();
}
@Override
@@ -285,6 +304,7 @@
if (mFd != null) {
mFd.writeToParcel(out, flag);
}
+ out.writeInt(mResourceId);
}
@Override
@@ -382,22 +402,40 @@
private final List<Font> mFonts;
private final String mLanguage;
private final String mVariant;
+ private final String mProviderAuthority;
+ private final String mQuery;
public Family(String name, List<Font> fonts, String language, String variant) {
- this.mName = name;
- this.mFonts = fonts;
- this.mLanguage = language;
- this.mVariant = variant;
+ mName = name;
+ mFonts = fonts;
+ mLanguage = language;
+ mVariant = variant;
+ mProviderAuthority = null;
+ mQuery = null;
+ }
+
+ /**
+ * @hide
+ */
+ public Family(String providerAuthority, String query) {
+ mName = null;
+ mFonts = null;
+ mLanguage = null;
+ mVariant = null;
+ mProviderAuthority = providerAuthority;
+ mQuery = query;
}
public Family(Family origin) {
- this.mName = origin.mName;
- this.mLanguage = origin.mLanguage;
- this.mVariant = origin.mVariant;
- this.mFonts = new ArrayList<>();
+ mName = origin.mName;
+ mLanguage = origin.mLanguage;
+ mVariant = origin.mVariant;
+ mFonts = new ArrayList<>();
for (int i = 0; i < origin.mFonts.size(); i++) {
mFonts.add(new Font(origin.mFonts.get(i)));
}
+ mProviderAuthority = origin.mProviderAuthority;
+ mQuery = origin.mQuery;
}
/**
@@ -431,6 +469,20 @@
/**
* @hide
*/
+ public String getProviderAuthority() {
+ return mProviderAuthority;
+ }
+
+ /**
+ * @hide
+ */
+ public String getQuery() {
+ return mQuery;
+ }
+
+ /**
+ * @hide
+ */
public Family(Parcel in) {
mName = in.readString();
final int size = in.readInt();
@@ -440,6 +492,16 @@
}
mLanguage = in.readString();
mVariant = in.readString();
+ if (in.readInt() == 1) {
+ mProviderAuthority = in.readString();
+ } else {
+ mProviderAuthority = null;
+ }
+ if (in.readInt() == 1) {
+ mQuery = in.readString();
+ } else {
+ mQuery = null;
+ }
}
@Override
@@ -451,6 +513,14 @@
}
out.writeString(mLanguage);
out.writeString(mVariant);
+ out.writeInt(mProviderAuthority == null ? 0 : 1);
+ if (mProviderAuthority != null) {
+ out.writeString(mProviderAuthority);
+ }
+ out.writeInt(mQuery == null ? 0 : 1);
+ if (mQuery != null) {
+ out.writeString(mQuery);
+ }
}
@Override
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index d8fc1d1..36bb821 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -8507,6 +8507,12 @@
<attr name="fontWeight" format="integer" />
</declare-styleable>
+ <!-- Attributes that are read when parsing a <fontfamily> tag, -->
+ <declare-styleable name="FontFamily">
+ <attr name="fontProviderAuthority" format="string" />
+ <attr name="fontProviderQuery" format="string" />
+ </declare-styleable>
+
<!-- @hide -->
<declare-styleable name="RecyclerView">
<attr name="layoutManager" format="string" />
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index 34659aa..78489eb 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -2794,6 +2794,8 @@
<public name="canCaptureFingerprintGestures" />
<public name="alphabeticModifiers" />
<public name="numericModifiers" />
+ <public name="fontProviderAuthority" />
+ <public name="fontProviderQuery" />
</public-group>
<public-group type="style" first-id="0x010302e0">
@@ -2806,6 +2808,7 @@
<public type="attr" name="primaryContentAlpha" />
<public type="attr" name="secondaryContentAlpha" />
+
<!-- ===============================================================
DO NOT ADD UN-GROUPED ITEMS HERE
diff --git a/core/tests/coretests/res/font/samplexmldownloadedfont.xml b/core/tests/coretests/res/font/samplexmldownloadedfont.xml
new file mode 100644
index 0000000..35391bd
--- /dev/null
+++ b/core/tests/coretests/res/font/samplexmldownloadedfont.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<font-family xmlns:android="http://schemas.android.com/apk/res/android"
+ android:fontProviderAuthority="com.example.test.fontprovider"
+ android:fontProviderQuery="MyRequestedFont">
+</font-family>
\ No newline at end of file
diff --git a/core/tests/coretests/src/android/content/res/FontResourcesParserTest.java b/core/tests/coretests/src/android/content/res/FontResourcesParserTest.java
index 380a28774..8b536a7 100644
--- a/core/tests/coretests/src/android/content/res/FontResourcesParserTest.java
+++ b/core/tests/coretests/src/android/content/res/FontResourcesParserTest.java
@@ -15,6 +15,8 @@
*/
package android.content.res;
+import static junit.framework.Assert.assertNull;
+
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
@@ -78,4 +80,19 @@
assertEquals(true, font4.isItalic());
assertEquals("res/font/samplefont4.ttf", font4.getFontName());
}
+
+ @Test
+ public void testParseDownloadableFont() throws IOException, XmlPullParserException {
+ XmlResourceParser parser = mResources.getXml(R.font.samplexmldownloadedfont);
+
+ FontConfig result = FontResourcesParser.parse(parser, mResources);
+
+ assertNotNull(result);
+ List<FontConfig.Family> families = result.getFamilies();
+ assertEquals(1, families.size());
+ FontConfig.Family family = families.get(0);
+ assertEquals("com.example.test.fontprovider", family.getProviderAuthority());
+ assertEquals("MyRequestedFont", family.getQuery());
+ assertNull(family.getFonts());
+ }
}
diff --git a/graphics/java/android/graphics/Typeface.java b/graphics/java/android/graphics/Typeface.java
index 750ef3f..7eb8099 100644
--- a/graphics/java/android/graphics/Typeface.java
+++ b/graphics/java/android/graphics/Typeface.java
@@ -163,36 +163,54 @@
@Nullable
public static Typeface createFromResources(FontConfig config, AssetManager mgr, String path) {
if (sFallbackFonts != null) {
+ Typeface typeface = findFromCache(mgr, path);
+ if (typeface != null) return typeface;
+
+ List<FontConfig.Family> families = config.getFamilies();
+ if (families == null || families.isEmpty()) {
+ throw new RuntimeException(
+ "Font resource " + path + " contained no font families.");
+ }
+ if (families.size() > 1) {
+ throw new RuntimeException(
+ "Font resource " + path + " contained more than one family.");
+ }
+ FontConfig.Family family = families.get(0);
+ if (family.getProviderAuthority() != null && family.getQuery() != null) {
+ // Downloadable font
+ typeface = findFromCache(
+ family.getProviderAuthority(), family.getQuery());
+ if (typeface != null) {
+ return typeface;
+ }
+ // Downloaded font and it wasn't cached, request it again and return a
+ // default font instead (nothing we can do now).
+ create(new FontRequest(family.getProviderAuthority(), family.getQuery()),
+ NO_OP_REQUEST_CALLBACK);
+ return DEFAULT;
+ }
+
+ FontFamily fontFamily = new FontFamily();
+ List<FontConfig.Font> fonts = family.getFonts();
+ if (fonts == null || fonts.isEmpty()) {
+ throw new RuntimeException("Font resource " + path + " contained no fonts.");
+ }
+ for (int i = 0; i < fonts.size(); i++) {
+ FontConfig.Font font = fonts.get(i);
+ // TODO: Use style and weight info
+ if (!fontFamily.addFontFromAssetManager(mgr, font.getFontName(),
+ 0 /* resourceCookie */, false /* isAsset */)) {
+ return null;
+ }
+ }
+ fontFamily.freeze();
+ FontFamily[] familyChain = { fontFamily };
+ typeface = createFromFamiliesWithDefault(familyChain);
synchronized (sDynamicTypefaceCache) {
final String key = createAssetUid(mgr, path);
- Typeface typeface = sDynamicTypefaceCache.get(key);
- if (typeface != null) return typeface;
-
- List<FontConfig.Family> families = config.getFamilies();
- if (families == null || families.isEmpty()) {
- throw new RuntimeException("Font resource contained no fonts.");
- }
- if (families.size() > 1) {
- throw new RuntimeException("Font resource contained more than one family.");
- }
- FontConfig.Family family = families.get(0);
-
- FontFamily fontFamily = new FontFamily();
- List<FontConfig.Font> fonts = family.getFonts();
- for (int i = 0; i < fonts.size(); i++) {
- FontConfig.Font font = fonts.get(i);
- // TODO: Use style and weight info
- if (!fontFamily.addFontFromAssetManager(mgr, font.getFontName(),
- 0 /* resourceCookie */, false /* isAsset */)) {
- return null;
- }
- }
- fontFamily.freeze();
- FontFamily[] familyChain = { fontFamily };
- typeface = createFromFamiliesWithDefault(familyChain);
sDynamicTypefaceCache.put(key, typeface);
- return typeface;
}
+ return typeface;
}
return null;
}
@@ -372,6 +390,18 @@
void onTypefaceRequestFailed(@FontRequestFailReason int reason);
}
+ private static final FontRequestCallback NO_OP_REQUEST_CALLBACK = new FontRequestCallback() {
+ @Override
+ public void onTypefaceRetrieved(Typeface typeface) {
+ // Do nothing.
+ }
+
+ @Override
+ public void onTypefaceRequestFailed(@FontRequestFailReason int reason) {
+ // Do nothing.
+ }
+ };
+
/**
* Create a typeface object given a family name, and option style information.
* If null is passed for the name, then the "default" font will be chosen.