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Add logic to parse previewImage from dreams.

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Test: locally on device
Bug: 211662811
Change-Id: Icb782d87f7c83853ce5a746c94ee47621d56d207
This commit is contained in:
Lucas Silva
2021-12-22 20:29:37 +00:00
parent 42739c0b43
commit 73300b8abf
1 changed files with 59 additions and 30 deletions
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89
packages/SettingsLib/src/com/android/settingslib/dream/DreamBackend.java
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@@ -17,6 +17,7 @@
package com.android.settingslib.dream;
import android.annotation.IntDef;
import android.annotation.Nullable;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
@@ -59,6 +60,7 @@ public class DreamBackend {
public ComponentName componentName;
public ComponentName settingsComponentName;
public CharSequence description;
public Drawable previewImage;
@Override
public String toString() {
@@ -120,15 +122,22 @@ public class DreamBackend {
PackageManager.GET_META_DATA);
List<DreamInfo> dreamInfos = new ArrayList<>(resolveInfos.size());
for (ResolveInfo resolveInfo : resolveInfos) {
if (resolveInfo.serviceInfo == null)
if (resolveInfo.serviceInfo == null) {
continue;
}
DreamInfo dreamInfo = new DreamInfo();
dreamInfo.caption = resolveInfo.loadLabel(pm);
dreamInfo.icon = resolveInfo.loadIcon(pm);
dreamInfo.description = getDescription(resolveInfo, pm);
dreamInfo.componentName = getDreamComponentName(resolveInfo);
dreamInfo.isActive = dreamInfo.componentName.equals(activeDream);
dreamInfo.settingsComponentName = getSettingsComponentName(pm, resolveInfo);
final DreamMetadata dreamMetadata = getDreamMetadata(pm, resolveInfo);
if (dreamMetadata != null) {
dreamInfo.settingsComponentName = dreamMetadata.mSettingsActivity;
dreamInfo.previewImage = dreamMetadata.mPreviewImage;
}
dreamInfos.add(dreamInfo);
}
Collections.sort(dreamInfos, mComparator);
@@ -325,57 +334,77 @@ public class DreamBackend {
}
private static ComponentName getDreamComponentName(ResolveInfo resolveInfo) {
if (resolveInfo == null || resolveInfo.serviceInfo == null)
if (resolveInfo == null || resolveInfo.serviceInfo == null) {
return null;
}
return new ComponentName(resolveInfo.serviceInfo.packageName, resolveInfo.serviceInfo.name);
}
private static ComponentName getSettingsComponentName(PackageManager pm, ResolveInfo resolveInfo) {
if (resolveInfo == null
|| resolveInfo.serviceInfo == null
|| resolveInfo.serviceInfo.metaData == null)
private static final class DreamMetadata {
@Nullable
Drawable mPreviewImage;
@Nullable
ComponentName mSettingsActivity;
}
@Nullable
private static TypedArray readMetadata(PackageManager pm, ServiceInfo serviceInfo) {
if (serviceInfo == null || serviceInfo.metaData == null) {
return null;
String cn = null;
XmlResourceParser parser = null;
Exception caughtException = null;
try {
parser = resolveInfo.serviceInfo.loadXmlMetaData(pm, DreamService.DREAM_META_DATA);
}
try (XmlResourceParser parser =
serviceInfo.loadXmlMetaData(pm, DreamService.DREAM_META_DATA)) {
if (parser == null) {
Log.w(TAG, "No " + DreamService.DREAM_META_DATA + " meta-data");
return null;
}
Resources res = pm.getResourcesForApplication(resolveInfo.serviceInfo.applicationInfo);
Resources res = pm.getResourcesForApplication(serviceInfo.applicationInfo);
AttributeSet attrs = Xml.asAttributeSet(parser);
int type;
while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
&& type != XmlPullParser.START_TAG) {
while (true) {
final int type = parser.next();
if (type == XmlPullParser.END_DOCUMENT || type == XmlPullParser.START_TAG) {
break;
}
}
String nodeName = parser.getName();
if (!"dream".equals(nodeName)) {
Log.w(TAG, "Meta-data does not start with dream tag");
return null;
}
TypedArray sa = res.obtainAttributes(attrs, com.android.internal.R.styleable.Dream);
cn = sa.getString(com.android.internal.R.styleable.Dream_settingsActivity);
sa.recycle();
} catch (PackageManager.NameNotFoundException|IOException|XmlPullParserException e) {
caughtException = e;
} finally {
if (parser != null) parser.close();
}
if (caughtException != null) {
Log.w(TAG, "Error parsing : " + resolveInfo.serviceInfo.packageName, caughtException);
return res.obtainAttributes(attrs, com.android.internal.R.styleable.Dream);
} catch (PackageManager.NameNotFoundException | IOException | XmlPullParserException e) {
Log.w(TAG, "Error parsing : " + serviceInfo.packageName, e);
return null;
}
if (cn != null && cn.indexOf('/') < 0) {
cn = resolveInfo.serviceInfo.packageName + "/" + cn;
}
private static ComponentName convertToComponentName(String flattenedString,
ServiceInfo serviceInfo) {
if (flattenedString == null) return null;
if (flattenedString.indexOf('/') < 0) {
flattenedString = serviceInfo.packageName + "/" + flattenedString;
}
return cn == null ? null : ComponentName.unflattenFromString(cn);
return ComponentName.unflattenFromString(flattenedString);
}
private static DreamMetadata getDreamMetadata(PackageManager pm, ResolveInfo resolveInfo) {
DreamMetadata result = new DreamMetadata();
if (resolveInfo == null) return result;
TypedArray rawMetadata = readMetadata(pm, resolveInfo.serviceInfo);
if (rawMetadata == null) return result;
result.mSettingsActivity = convertToComponentName(rawMetadata.getString(
com.android.internal.R.styleable.Dream_settingsActivity), resolveInfo.serviceInfo);
result.mPreviewImage = rawMetadata.getDrawable(
com.android.internal.R.styleable.Dream_previewImage);
rawMetadata.recycle();
return result;
}
private static void logd(String msg, Object... args) {
if (DEBUG)
if (DEBUG) {
Log.d(TAG, args == null || args.length == 0 ? msg : String.format(msg, args));
}
}
private static class DreamInfoComparator implements Comparator<DreamInfo> {