-
Notifications
You must be signed in to change notification settings - Fork 63
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #1534 from DataDog/jmoskovich/replay-1727/base64-c…
…aching REPLAY-1727: Base64 Caching Mechanism
- Loading branch information
Showing
15 changed files
with
640 additions
and
49 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
134 changes: 134 additions & 0 deletions
134
.../main/kotlin/com/datadog/android/sessionreplay/internal/recorder/base64/Base64LRUCache.kt
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
||
| package com.datadog.android.sessionreplay.internal.recorder.base64 | ||
|
|
||
| import android.content.ComponentCallbacks2 | ||
| import android.content.res.Configuration | ||
| import android.graphics.drawable.AnimationDrawable | ||
| import android.graphics.drawable.Drawable | ||
| import android.graphics.drawable.DrawableContainer | ||
| import android.graphics.drawable.LayerDrawable | ||
| import android.util.LruCache | ||
| import androidx.annotation.VisibleForTesting | ||
|
|
||
| internal object Base64LRUCache : Cache<Drawable, String>, ComponentCallbacks2 { | ||
| @Suppress("MagicNumber") | ||
| val MAX_CACHE_MEMORY_SIZE_BYTES = 4 * 1024 * 1024 // 4MB | ||
| @Suppress("MagicNumber") | ||
| private val ON_LOW_MEMORY_SIZE_BYTES = MAX_CACHE_MEMORY_SIZE_BYTES / 2 // 50% size | ||
| @Suppress("MagicNumber") | ||
| private val ON_MODERATE_MEMORY_SIZE_BYTES = (MAX_CACHE_MEMORY_SIZE_BYTES / 4) * 3 // 75% size | ||
|
|
||
| private var cache: LruCache<String, ByteArray> = object : | ||
| LruCache<String, ByteArray>(MAX_CACHE_MEMORY_SIZE_BYTES) { | ||
| override fun sizeOf(key: String?, value: ByteArray): Int { | ||
| return value.size | ||
| } | ||
| } | ||
|
|
||
| override fun onTrimMemory(level: Int) { | ||
| when (level) { | ||
| ComponentCallbacks2.TRIM_MEMORY_BACKGROUND -> { | ||
| cache.evictAll() | ||
| } | ||
|
|
||
| ComponentCallbacks2.TRIM_MEMORY_COMPLETE -> { | ||
| cache.evictAll() | ||
| } | ||
|
|
||
| ComponentCallbacks2.TRIM_MEMORY_MODERATE -> { | ||
| cache.trimToSize(ON_MODERATE_MEMORY_SIZE_BYTES) | ||
| } | ||
|
|
||
| ComponentCallbacks2.TRIM_MEMORY_RUNNING_CRITICAL -> { | ||
| cache.evictAll() | ||
| } | ||
|
|
||
| ComponentCallbacks2.TRIM_MEMORY_RUNNING_LOW -> { | ||
| cache.trimToSize(ON_LOW_MEMORY_SIZE_BYTES) | ||
| } | ||
|
|
||
| ComponentCallbacks2.TRIM_MEMORY_RUNNING_MODERATE -> { | ||
| cache.trimToSize(ON_MODERATE_MEMORY_SIZE_BYTES) | ||
| } | ||
|
|
||
| ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN -> { | ||
| cache.evictAll() | ||
| } | ||
|
|
||
| else -> { | ||
| cache.evictAll() | ||
| } | ||
| } | ||
| } | ||
|
|
||
| override fun onConfigurationChanged(newConfig: Configuration) {} | ||
|
|
||
| override fun onLowMemory() { | ||
| cache.evictAll() | ||
| } | ||
|
|
||
| @VisibleForTesting | ||
| internal fun setBackingCache(cache: LruCache<String, ByteArray>) { | ||
| this.cache = cache | ||
| } | ||
|
|
||
| @Synchronized | ||
| override fun put(element: Drawable, value: String) { | ||
| val key = generateKey(element) | ||
| val byteArray = value.toByteArray(Charsets.UTF_8) | ||
| cache.put(key, byteArray) | ||
| } | ||
|
|
||
| @Synchronized | ||
| override fun get(element: Drawable): String? = | ||
| cache.get(generateKey(element))?.let { | ||
| String(it) | ||
| } | ||
|
|
||
| @Synchronized | ||
| override fun size(): Int = cache.size() | ||
|
|
||
| @Synchronized | ||
| override fun clear() { | ||
| cache.evictAll() | ||
| } | ||
|
|
||
| private fun generateKey(drawable: Drawable): String = | ||
| generatePrefix(drawable) + System.identityHashCode(drawable) | ||
|
|
||
| private fun generatePrefix(drawable: Drawable): String { | ||
| return when (drawable) { | ||
| is DrawableContainer -> getPrefixForDrawableContainer(drawable) | ||
| is LayerDrawable -> getPrefixForLayerDrawable(drawable) | ||
| else -> "" | ||
| } | ||
| } | ||
|
|
||
| private fun getPrefixForDrawableContainer(drawable: DrawableContainer): String { | ||
| if (drawable !is AnimationDrawable) { | ||
| return drawable.state.joinToString(separator = "", postfix = "-") | ||
| } | ||
|
|
||
| return "" | ||
| } | ||
|
|
||
| private fun getPrefixForLayerDrawable(drawable: LayerDrawable): String { | ||
| return if (drawable.numberOfLayers > 1) { | ||
| val sb = StringBuilder() | ||
| for (index in 0 until drawable.numberOfLayers) { | ||
| val layer = drawable.getDrawable(index) | ||
| val layerHash = System.identityHashCode(layer).toString() | ||
| sb.append(layerHash) | ||
| sb.append("-") | ||
| } | ||
| "$sb" | ||
| } else { | ||
| "" | ||
| } | ||
| } | ||
| } |
Oops, something went wrong.