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Code Issues Releases Activity

Fix backstack by removing home page additions

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Allan Wang 2019-10-14 23:37:15 -07:00
parent c2d70807d5
commit c129a7595e
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1 changed files with 13 additions and 4 deletions
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app/src/main/kotlin/com/pitchedapps/frost/views/FrostWebView.kt
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@ -33,6 +33,7 @@ import com.pitchedapps.frost.db.currentCookie
import com.pitchedapps.frost.facebook.FB_HOME_URL
import com.pitchedapps.frost.facebook.USER_AGENT
import com.pitchedapps.frost.fragments.WebFragment
import com.pitchedapps.frost.utils.L
import com.pitchedapps.frost.utils.Prefs
import com.pitchedapps.frost.utils.ctxCoroutine
import com.pitchedapps.frost.utils.frostDownload
@ -130,15 +131,23 @@ class FrostWebView @JvmOverloads constructor(
}
/**
* By 2018-10-17, facebook automatically adds their home page to the back stack,
* 2018-10-17. facebook automatically adds their home page to the back stack,
* regardless of the loaded url. We will make sure we skip it when going back.
*
* 2019-10-14. Looks like facebook now randomly populates some links with the home page,
* especially those that are launched with a blank target...
* In some cases, there can be more than one home target in a row.
*/
override fun onBackPressed(): Boolean {
if (canGoBackOrForward(-2)) {
goBack()
val list = copyBackForwardList()
if (list.currentIndex >= 2) {
val skipCount = (1..list.currentIndex).firstOrNull {
list.getItemAtIndex(list.currentIndex - it).url != FB_HOME_URL
} ?: return false // If no non home url is found, we will treat the stack as empty
L.v { "onBackPress: going back ${if (skipCount == 1) "one page" else "$skipCount pages"}" }
goBackOrForward(-skipCount)
return true
}
val list = copyBackForwardList()
if (list.currentIndex == 1 && list.getItemAtIndex(0).url == FB_HOME_URL) {
return false
}