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authorAllan Wang <me@allanwang.ca>2019-10-14 23:37:15 -0700
committerAllan Wang <me@allanwang.ca>2019-10-14 23:37:15 -0700
commitc129a7595e4a05f87befa8a9e3cef316bb614f47 (patch)
tree532ee84b728da30a5a1ae02d7b2ab109dc6d6e66 /app/src/main
parentc2d70807d555f685e22875565475aeca556a11cb (diff)
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Fix backstack by removing home page additions
Diffstat (limited to 'app/src/main')
-rw-r--r--app/src/main/kotlin/com/pitchedapps/frost/views/FrostWebView.kt17
1 files changed, 13 insertions, 4 deletions
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/views/FrostWebView.kt b/app/src/main/kotlin/com/pitchedapps/frost/views/FrostWebView.kt
index 5b564102..de4e414b 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/views/FrostWebView.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/views/FrostWebView.kt
@@ -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
}