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137 lines
5.3 KiB
Kotlin
137 lines
5.3 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.customtabs
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import android.content.Intent
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import android.os.Bundle
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import android.os.PersistableBundle
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import androidx.annotation.VisibleForTesting
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import androidx.navigation.NavDestination
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import androidx.navigation.NavDirections
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import kotlinx.android.synthetic.main.activity_home.*
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import mozilla.components.browser.state.selector.findCustomTab
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import mozilla.components.browser.state.state.SessionState
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import mozilla.components.concept.engine.manifest.WebAppManifestParser
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import mozilla.components.feature.intent.ext.getSessionId
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import mozilla.components.feature.pwa.ext.getWebAppManifest
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import mozilla.components.support.utils.SafeIntent
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import org.mozilla.fenix.BrowserDirection
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import org.mozilla.fenix.HomeActivity
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import org.mozilla.fenix.NavGraphDirections
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import org.mozilla.fenix.components.metrics.Event
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import org.mozilla.fenix.ext.components
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import org.mozilla.fenix.ext.enableSystemInsetsHandling
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import java.security.InvalidParameterException
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/**
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* Activity that holds the [ExternalAppBrowserFragment] that is launched within an external app,
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* such as custom tabs and progressive web apps.
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*/
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@Suppress("TooManyFunctions")
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open class ExternalAppBrowserActivity : HomeActivity() {
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override fun onCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
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super.onCreate(savedInstanceState, persistentState)
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enableSystemInsetsHandling()
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}
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override fun onResume() {
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super.onResume()
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if (!hasExternalTab()) {
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// An ExternalAppBrowserActivity is always bound to a specific tab. If this tab doesn't
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// exist anymore on resume then this activity has nothing to display anymore. Let's just
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// finish it AND remove this task to avoid it hanging around in the recent apps screen.
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// Without this the parent HomeActivity class may decide to show the browser UI and we
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// end up with multiple browsers (causing "display already acquired" crashes).
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finishAndRemoveTask()
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}
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}
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final override fun getBreadcrumbMessage(destination: NavDestination): String {
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val fragmentName = resources.getResourceEntryName(destination.id)
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return "Changing to fragment $fragmentName, isCustomTab: true"
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}
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final override fun getIntentSource(intent: SafeIntent) = Event.OpenedApp.Source.CUSTOM_TAB
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final override fun getIntentAllSource(intent: SafeIntent) = Event.AppReceivedIntent.Source.CUSTOM_TAB
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final override fun getIntentSessionId(intent: SafeIntent) = intent.getSessionId()
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override fun startupTelemetryOnCreateCalled(safeIntent: SafeIntent, hasSavedInstanceState: Boolean) {
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components.appStartupTelemetry.onExternalAppBrowserOnCreate(
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safeIntent,
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hasSavedInstanceState,
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// HomeActivity is init before ExternalAppBrowserActivity so we use that time.
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homeActivityInitTimeStampNanoSeconds,
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rootContainer
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)
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}
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override fun navigateToBrowserOnColdStart() {
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// No-op for external app
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}
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override fun handleNewIntent(intent: Intent) {
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// No-op for external app
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}
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override fun getNavDirections(
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from: BrowserDirection,
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customTabSessionId: String?
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): NavDirections? {
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if (customTabSessionId == null) {
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finishAndRemoveTask()
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return null
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}
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val manifest = intent
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.getWebAppManifest()
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?.let { WebAppManifestParser().serialize(it).toString() }
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return when (from) {
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BrowserDirection.FromGlobal ->
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NavGraphDirections.actionGlobalExternalAppBrowser(
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activeSessionId = customTabSessionId,
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webAppManifest = manifest
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)
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else -> throw InvalidParameterException(
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"Tried to navigate to ExternalAppBrowserFragment from $from"
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)
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}
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}
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override fun onDestroy() {
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super.onDestroy()
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if (isFinishing) {
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// When this activity finishes, the process is staying around and the session still
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// exists then remove it now to free all its resources. Once this activity is finished
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// then there's no way to get back to it other than relaunching it.
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val tabId = getExternalTabId()
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val customTab = tabId?.let { components.core.store.state.findCustomTab(it) }
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if (tabId != null && customTab != null) {
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components.useCases.customTabsUseCases.remove(tabId)
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}
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}
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}
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@VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
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internal fun hasExternalTab(): Boolean {
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return getExternalTab() != null
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}
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@VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
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internal fun getExternalTab(): SessionState? {
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val id = getExternalTabId() ?: return null
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return components.core.store.state.findCustomTab(id)
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}
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@VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
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internal fun getExternalTabId(): String? {
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return getIntentSessionId(SafeIntent(intent))
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}
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}
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