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61
...-replay/src/main/kotlin/com/datadog/android/sessionreplay/internal/TouchPrivacyManager.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0. | ||
| * This product includes software developed at Datadog (https://www.datadoghq.com/). | ||
| * Copyright 2016-Present Datadog, Inc. | ||
| */ | ||
|
|
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| package com.datadog.android.sessionreplay.internal | ||
|
|
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| import android.graphics.Point | ||
| import android.graphics.Rect | ||
| import androidx.annotation.VisibleForTesting | ||
| import com.datadog.android.sessionreplay.TouchPrivacy | ||
|
|
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| internal class TouchPrivacyManager( | ||
| private val globalTouchPrivacy: TouchPrivacy | ||
| ) { | ||
| // areas on screen where overrides are applied | ||
| @VisibleForTesting internal val currentOverrideSnapshot = HashMap<Rect, TouchPrivacy>() | ||
|
|
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| // built during the view traversal and copied to currentOverrideSnapshot at the end | ||
| @VisibleForTesting internal val nextOverrideSnapshot = HashMap<Rect, TouchPrivacy>() | ||
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| internal fun addTouchOverrideArea(bounds: Rect, touchPrivacy: TouchPrivacy) { | ||
| nextOverrideSnapshot[bounds] = touchPrivacy | ||
| } | ||
|
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| internal fun copyNextSnapshotToCurrentSnapshot() { | ||
| currentOverrideSnapshot.clear() | ||
| @Suppress("UnsafeThirdPartyFunctionCall") // NPE cannot happen here | ||
| currentOverrideSnapshot.putAll(nextOverrideSnapshot) | ||
| nextOverrideSnapshot.clear() | ||
| } | ||
|
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| internal fun resolveTouchPrivacy(touchLocation: Point): TouchPrivacy { | ||
| var showOverrideSet = false | ||
|
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| // avoid having the collection change while we iterate through it | ||
| val overrideAreas = HashMap<Rect, TouchPrivacy>() | ||
| @Suppress("UnsafeThirdPartyFunctionCall") // NPE cannot happen here | ||
| overrideAreas.putAll(currentOverrideSnapshot) | ||
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| @Suppress("UnsafeThirdPartyFunctionCall") // ConcurrentModification cannot happen here | ||
| overrideAreas.forEach { entry -> | ||
| val area = entry.key | ||
| val overrideValue = entry.value | ||
|
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| if (isWithinOverrideArea(touchLocation, area)) { | ||
| when (overrideValue) { | ||
| TouchPrivacy.HIDE -> return TouchPrivacy.HIDE | ||
| TouchPrivacy.SHOW -> showOverrideSet = true | ||
| } | ||
| } | ||
| } | ||
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| return if (showOverrideSet) TouchPrivacy.SHOW else globalTouchPrivacy | ||
| } | ||
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| private fun isWithinOverrideArea(touchPoint: Point, overrideArea: Rect): Boolean = | ||
| touchPoint.x in overrideArea.left..overrideArea.right && | ||
| touchPoint.y in overrideArea.top..overrideArea.bottom | ||
| } |
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