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Create OS-specific implementations of the ActivityLoadEventEmitter
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...ture/activity/ActivityLoadEventEmitter.kt → ...dk/internal/capture/activity/UiLoadExt.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,165 +1,195 @@ | ||
| package io.embrace.android.embracesdk.internal.capture.activity | ||
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|
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| import android.app.Activity | ||
| import android.app.Application.ActivityLifecycleCallbacks | ||
| import android.os.Build | ||
| import android.os.Build.VERSION_CODES | ||
| import android.os.Bundle | ||
| import androidx.annotation.RequiresApi | ||
| import io.embrace.android.embracesdk.annotation.ObservedActivity | ||
| import io.embrace.android.embracesdk.internal.clock.nanosToMillis | ||
| import io.embrace.android.embracesdk.internal.session.lifecycle.ActivityLifecycleListener | ||
| import io.embrace.android.embracesdk.internal.utils.VersionChecker | ||
| import io.opentelemetry.sdk.common.Clock | ||
|
|
||
| /** | ||
| * Maps [ActivityLifecycleCallbacks] events to [UiLoadEventListener] depending on version of the OS and whether or | ||
| * not the given [Activity]'s load should be traced. | ||
| * Creates [ActivityLifecycleListener] that maps Activity lifecycle events to the given [UiLoadEventListener]. | ||
| * It will create an implementation that uses the most suitable API given the OS version. | ||
| * | ||
| * The purpose of this is to leverage Activity lifecycle events to provide data for the underlying workflow to bring a new Activity on | ||
| * screen. Due to the varying capabilities of the APIs available on the different versions of Android, the precise triggering events for | ||
| * the start and intermediate steps may differ. | ||
| * | ||
| * See [UiLoadTraceEmitter] for details about how these events are turned into traces. | ||
| * For details of how these events are used to create UI Load traces, see [UiLoadTraceEmitter] for details. | ||
| */ | ||
| class ActivityLoadEventEmitter( | ||
| private val uiLoadEventListener: UiLoadEventListener, | ||
| private val clock: Clock, | ||
| private val versionChecker: VersionChecker, | ||
| fun createActivityLoadEventEmitter( | ||
| uiLoadEventListener: UiLoadEventListener, | ||
| clock: Clock, | ||
| versionChecker: VersionChecker, | ||
| ): ActivityLifecycleListener { | ||
| val uiLoadEventEmitter = UiLoadEventEmitter( | ||
| uiLoadEventListener = uiLoadEventListener, | ||
| clock = clock, | ||
| ) | ||
| return if (versionChecker.isAtLeast(VERSION_CODES.Q)) { | ||
| ActivityLoadEventEmitter(uiLoadEventEmitter) | ||
| } else { | ||
| LegacyActivityLoadEventEmitter(uiLoadEventEmitter) | ||
| } | ||
| } | ||
|
|
||
| private fun Activity.observeOpening() = javaClass.isAnnotationPresent(ObservedActivity::class.java) | ||
|
|
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| /** | ||
| * Implementation that works with Android 10+ APIs | ||
| */ | ||
| @RequiresApi(VERSION_CODES.Q) | ||
| private class ActivityLoadEventEmitter( | ||
| private val uiLoadEventEmitter: UiLoadEventEmitter | ||
| ) : ActivityLifecycleListener { | ||
|
|
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| override fun onActivityPreCreated(activity: Activity, savedInstanceState: Bundle?) { | ||
| if (activity.observeOpening()) { | ||
| create(activity) | ||
| } | ||
| } | ||
|
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| override fun onActivityCreated(activity: Activity, bundle: Bundle?) { | ||
| if (activity.observeOpening() && !versionChecker.firePrePostEvents()) { | ||
| create(activity) | ||
| uiLoadEventEmitter.create(activity) | ||
| } | ||
| } | ||
|
|
||
| override fun onActivityPostCreated(activity: Activity, savedInstanceState: Bundle?) { | ||
| if (activity.observeOpening()) { | ||
| createEnd(activity) | ||
| uiLoadEventEmitter.createEnd(activity) | ||
| } | ||
| } | ||
|
|
||
| override fun onActivityPreStarted(activity: Activity) { | ||
| if (activity.observeOpening()) { | ||
| start(activity) | ||
| uiLoadEventEmitter.start(activity) | ||
| } | ||
| } | ||
|
|
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| override fun onActivityStarted(activity: Activity) { | ||
| if (activity.observeOpening() && !versionChecker.firePrePostEvents()) { | ||
| createEnd(activity) | ||
| start(activity) | ||
| override fun onActivityPostStarted(activity: Activity) { | ||
| if (activity.observeOpening()) { | ||
| uiLoadEventEmitter.startEnd(activity) | ||
| } | ||
| } | ||
|
|
||
| override fun onActivityPostStarted(activity: Activity) { | ||
| override fun onActivityPreResumed(activity: Activity) { | ||
| if (activity.observeOpening()) { | ||
| startEnd(activity) | ||
| uiLoadEventEmitter.resume(activity) | ||
| } | ||
| } | ||
|
|
||
| override fun onActivityPreResumed(activity: Activity) { | ||
| override fun onActivityPostResumed(activity: Activity) { | ||
| if (activity.observeOpening()) { | ||
| resume(activity) | ||
| uiLoadEventEmitter.resumeEnd(activity) | ||
| } | ||
| } | ||
|
|
||
| override fun onActivityResumed(activity: Activity) { | ||
| if (activity.observeOpening() && !versionChecker.firePrePostEvents()) { | ||
| startEnd(activity) | ||
| resume(activity) | ||
| override fun onActivityPrePaused(activity: Activity) { | ||
| uiLoadEventEmitter.abandonTrace(activity) | ||
| } | ||
|
|
||
| override fun onActivityStopped(activity: Activity) { | ||
| uiLoadEventEmitter.reset(activity) | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Version of [ActivityLoadEventEmitter] that works with all Android version and used for Android 9 or lower | ||
| */ | ||
| private class LegacyActivityLoadEventEmitter( | ||
| private val uiLoadEventEmitter: UiLoadEventEmitter | ||
| ) : ActivityLifecycleListener { | ||
|
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| override fun onActivityCreated(activity: Activity, bundle: Bundle?) { | ||
| if (activity.observeOpening()) { | ||
| uiLoadEventEmitter.create(activity) | ||
| } | ||
| } | ||
|
|
||
| override fun onActivityPostResumed(activity: Activity) { | ||
| override fun onActivityStarted(activity: Activity) { | ||
| if (activity.observeOpening()) { | ||
| resumeEnd(activity) | ||
| uiLoadEventEmitter.createEnd(activity) | ||
| uiLoadEventEmitter.start(activity) | ||
| } | ||
| } | ||
|
|
||
| override fun onActivityPrePaused(activity: Activity) { | ||
| abandonTrace(activity) | ||
| override fun onActivityResumed(activity: Activity) { | ||
| if (activity.observeOpening()) { | ||
| uiLoadEventEmitter.startEnd(activity) | ||
| uiLoadEventEmitter.resume(activity) | ||
| } | ||
| } | ||
|
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| override fun onActivityPaused(activity: Activity) { | ||
| if (!versionChecker.firePrePostEvents()) { | ||
| abandonTrace(activity) | ||
| } | ||
| uiLoadEventEmitter.abandonTrace(activity) | ||
| } | ||
|
|
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| override fun onActivityStopped(activity: Activity) { | ||
| reset(activity) | ||
| uiLoadEventEmitter.reset(activity) | ||
| } | ||
| } | ||
|
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| private fun abandonTrace(activity: Activity) { | ||
| /** | ||
| * Maps an Activity instance's UI Load events the app-wide UI [UiLoadEventListener] | ||
| */ | ||
| private class UiLoadEventEmitter( | ||
| private val uiLoadEventListener: UiLoadEventListener, | ||
| private val clock: Clock, | ||
| ) { | ||
| fun abandonTrace(activity: Activity) { | ||
| uiLoadEventListener.abandon( | ||
| instanceId = traceInstanceId(activity), | ||
| activityName = activity.localClassName, | ||
| timestampMs = nowMs() | ||
| ) | ||
| } | ||
|
|
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| private fun reset(activity: Activity) { | ||
| fun reset(activity: Activity) { | ||
| uiLoadEventListener.reset( | ||
| lastInstanceId = traceInstanceId(activity), | ||
| ) | ||
| } | ||
|
|
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| private fun create(activity: Activity) { | ||
| fun create(activity: Activity) { | ||
| uiLoadEventListener.create( | ||
| instanceId = traceInstanceId(activity), | ||
| activityName = activity.localClassName, | ||
| timestampMs = nowMs() | ||
| ) | ||
| } | ||
|
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| private fun createEnd(activity: Activity) { | ||
| fun createEnd(activity: Activity) { | ||
| uiLoadEventListener.createEnd( | ||
| instanceId = traceInstanceId(activity), | ||
| timestampMs = nowMs() | ||
| ) | ||
| } | ||
|
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| private fun start(activity: Activity) { | ||
| fun start(activity: Activity) { | ||
| uiLoadEventListener.start( | ||
| instanceId = traceInstanceId(activity), | ||
| activityName = activity.localClassName, | ||
| timestampMs = nowMs() | ||
| ) | ||
| } | ||
|
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| private fun startEnd(activity: Activity) { | ||
| fun startEnd(activity: Activity) { | ||
| uiLoadEventListener.startEnd( | ||
| instanceId = traceInstanceId(activity), | ||
| timestampMs = nowMs() | ||
| ) | ||
| } | ||
|
|
||
| private fun resume(activity: Activity) { | ||
| fun resume(activity: Activity) { | ||
| uiLoadEventListener.resume( | ||
| instanceId = traceInstanceId(activity), | ||
| activityName = activity.localClassName, | ||
| timestampMs = nowMs() | ||
| ) | ||
| } | ||
|
|
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| private fun resumeEnd(activity: Activity) { | ||
| fun resumeEnd(activity: Activity) { | ||
| uiLoadEventListener.resumeEnd( | ||
| instanceId = traceInstanceId(activity), | ||
| timestampMs = nowMs() | ||
| ) | ||
| } | ||
|
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| private fun VersionChecker.firePrePostEvents(): Boolean = isAtLeast(Build.VERSION_CODES.Q) | ||
|
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| private fun traceInstanceId(activity: Activity): Int = activity.hashCode() | ||
|
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| private fun nowMs(): Long = clock.now().nanosToMillis() | ||
|
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| private fun Activity.observeOpening() = javaClass.isAnnotationPresent(ObservedActivity::class.java) | ||
| } |
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