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78 lines
3.1 KiB
Kotlin
78 lines
3.1 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.app.assist.AssistContent
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import android.net.Uri
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import android.os.Build
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import androidx.annotation.RequiresApi
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import androidx.annotation.VisibleForTesting
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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.support.utils.SafeIntent
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import org.mozilla.fenix.HomeActivity
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import org.mozilla.fenix.ext.components
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import org.mozilla.fenix.ext.getIntentSessionId
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const val EXTRA_IS_SANDBOX_CUSTOM_TAB = "org.mozilla.fenix.customtabs.EXTRA_IS_SANDBOX_CUSTOM_TAB"
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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 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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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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@RequiresApi(Build.VERSION_CODES.M)
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override fun onProvideAssistContent(outContent: AssistContent?) {
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super.onProvideAssistContent(outContent)
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val currentTabUrl = getExternalTab()?.content?.url
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outContent?.webUri = currentTabUrl?.let { Uri.parse(it) }
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}
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}
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