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package com.pitchedapps.frost.web
import com.pitchedapps.frost.activities.MainActivity
import com.pitchedapps.frost.activities.WebOverlayActivity
import com.pitchedapps.frost.activities.WebOverlayActivityBase
import com.pitchedapps.frost.activities.WebOverlayBasicActivity
import com.pitchedapps.frost.facebook.FB_URL_BASE
import com.pitchedapps.frost.facebook.FbItem
import com.pitchedapps.frost.facebook.USER_AGENT_BASIC
import com.pitchedapps.frost.facebook.formattedFbUrl
import com.pitchedapps.frost.utils.L
import com.pitchedapps.frost.utils.isFacebookUrl
import com.pitchedapps.frost.utils.launchWebOverlay
/**
* Created by Allan Wang on 2017-08-15.
*
* Due to the nature of facebook href's, many links
* cannot be resolved on a new window and must instead
* by loaded in the current page
* This helper method will collect all known cases and launch the overlay accordingly
* Returns {@code true} (default) if action is consumed, {@code false} otherwise
*
* If the request already comes from an instance of [WebOverlayActivity], we will then judge
* whether the user agent string should be changed. All propagated results will return false,
* as we have no need of sending a new intent to the same activity
*/
fun FrostWebViewCore.requestWebOverlay(url: String): Boolean {
if (url == "#") return false
if (context is WebOverlayActivityBase) {
L.v("Check web request from overlay", url)
//already overlay; manage user agent
if (userAgentString != USER_AGENT_BASIC && url.formattedFbUrl.shouldUseBasicAgent) {
L.i("Switch to basic agent overlay")
context.launchWebOverlay(url, WebOverlayBasicActivity::class.java)
return true
}
if (context is WebOverlayBasicActivity && !url.formattedFbUrl.shouldUseBasicAgent) {
L.i("Switch from basic agent")
context.launchWebOverlay(url)
return true
}
L.i("return false switch")
return false
}
/*
* Non facebook urls can be loaded
*/
if (!url.formattedFbUrl.isFacebookUrl) {
context.launchWebOverlay(url)
L.d("Request web overlay is not a facebook url", url)
return true
}
/*
* Check blacklist
*/
if (overlayBlacklist.any { url.contains(it) }) return false
/*
* Facebook messages have the following cases for the tid query
* mid* or id* for newer threads, which can be launched in new windows
* or a hash for old threads, which must be loaded on old threads
*/
if (url.contains("/messages/read/?tid=")) {
if (!url.contains("?tid=id") && !url.contains("?tid=mid")) return false
}
L.v("Request web overlay passed", url)
context.launchWebOverlay(url)
return true
}
/**
* If the url contains any one of the whitelist segments, switch to the chat overlay
*/
val messageWhitelist = setOf(FbItem.MESSAGES, FbItem.CHAT, FbItem.FEED_MOST_RECENT, FbItem.FEED_TOP_STORIES).map { it.url }.toSet()
val String.shouldUseBasicAgent
get() = (messageWhitelist.any { contains(it) }) || this == FB_URL_BASE
/**
* The following components should never be launched in a new overlay
*/
val overlayBlacklist = setOf("messages/?pageNum", "photoset_token", "sharer.php")
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