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Commit c06c8f9f authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "Introduce versions to XML for bubbles persistence" into rvc-dev am:... 

Merge "Introduce versions to XML for bubbles persistence" into rvc-dev am: 7cc17503 am: 7986672c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11914600

Change-Id: Ibe0b984d8230d2ad8460335888bc75b9aa01a382
parents 26c928e7 7986672c

packages/SystemUI/src/com/android/systemui/bubbles/storage/BubbleXmlHelper.kt

+11 −3
Original line number Diff line number Diff line
@@ -25,7 +25,11 @@ import java.io.InputStream 
import java.io.OutputStream

import java.nio.charset.StandardCharsets



// TODO: handle version changes gracefully

private const val CURRENT_VERSION = 1



private const val TAG_BUBBLES = "bs"

private const val ATTR_VERSION = "v"

private const val TAG_BUBBLE = "bb"

private const val ATTR_USER_ID = "uid"

private const val ATTR_PACKAGE = "pkg"
@@ -44,6 +48,7 @@ fun writeXml(stream: OutputStream, bubbles: List<BubbleEntity>) { 
    serializer.setOutput(stream, StandardCharsets.UTF_8.name())

    serializer.startDocument(null, true)

    serializer.startTag(null, TAG_BUBBLES)

    serializer.attribute(null, ATTR_VERSION, CURRENT_VERSION.toString())

    bubbles.forEach { b -> writeXmlEntry(serializer, b) }

    serializer.endTag(null, TAG_BUBBLES)

    serializer.endDocument()
@@ -79,10 +84,13 @@ fun readXml(stream: InputStream): List<BubbleEntity> { 
    val parser: XmlPullParser = Xml.newPullParser()

    parser.setInput(stream, StandardCharsets.UTF_8.name())

    XmlUtils.beginDocument(parser, TAG_BUBBLES)

    val version = parser.getAttributeWithName(ATTR_VERSION)?.toInt()

    if (version != null && version == CURRENT_VERSION) {

        val outerDepth = parser.depth

        while (XmlUtils.nextElementWithin(parser, outerDepth)) {

            bubbles.add(readXmlEntry(parser) ?: continue)

        }

    }

    return bubbles

}

packages/SystemUI/tests/src/com/android/systemui/bubbles/storage/BubbleXmlHelperTest.kt

+16 −1
Original line number Diff line number Diff line
@@ -55,7 +55,7 @@ class BubbleXmlHelperTest : SysuiTestCase() { 
    fun testReadXml() {

        val src = """

<?xml version='1.0' encoding='utf-8' standalone='yes' ?>

<bs>

<bs v="1">

<bb uid="0" pkg="com.example.messenger" sid="shortcut-1" key="k1" h="120" hid="0" />

<bb uid="10" pkg="com.example.chat" sid="alice and bob" key="k2" h="0" hid="16537428" t="title" />

<bb uid="0" pkg="com.example.messenger" sid="shortcut-2" key="k3" h="120" hid="0" />
@@ -64,4 +64,19 @@ class BubbleXmlHelperTest : SysuiTestCase() { 
        val actual = readXml(ByteArrayInputStream(src.toByteArray(Charsets.UTF_8)))

        assertEquals("failed parsing bubbles from xml\n$src", bubbles, actual)

    }



    // TODO: We should handle upgrades gracefully but this is v1

    @Test

    fun testUpgradeDropsPreviousData() {

        val src = """

<?xml version='1.0' encoding='utf-8' standalone='yes' ?>

<bs>

<bb uid="0" pkg="com.example.messenger" sid="shortcut-1" key="k1" h="120" hid="0" />

<bb uid="10" pkg="com.example.chat" sid="alice and bob" key="k2" h="0" hid="16537428" t="title" />

<bb uid="0" pkg="com.example.messenger" sid="shortcut-2" key="k3" h="120" hid="0" />

</bs>

        """.trimIndent()

        val actual = readXml(ByteArrayInputStream(src.toByteArray(Charsets.UTF_8)))

        assertEquals("failed parsing bubbles from xml\n$src", emptyList<BubbleEntity>(), actual)

    }

}
 
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