Class HTMLToTexture

src/main/java/fieldcef/browser/HTMLToTexture.kt:23–296

* Created by marc on 9/20/2016. */

import fielded.webserver.Server
import java.awt.Rectangle
import java.nio.ByteBuffer
import java.util.ArrayList
import java.util.concurrent.Future
import java.util.function.Consumer

/**
 * Created by marc on 9/20/2016.
 */
class HTMLToTexture(private val w: Int, private val h: Int) {
    private val sourceView: MutableMap<String, ByteBuffer> = LinkedHashMap()
    private val callback: MutableMap<String, Runnable> = LinkedHashMap()
    private var s: Server? = null
    private val a: Int
    private val b: Int
    private val browser: CefBrowser

    @Transient
    var callbackOnNextReload: Runnable? = null
    var textTable: MutableMap<String, String> = object : LinkedHashMap<String, String>() {
        override fun removeEldestEntry(eldest: Map.Entry<String, String>): Boolean {
            return size > 100
        }
    }
    var pendingRequests: MutableList<Runnable> = ArrayList()

    @Transient
    var requestDone = true
    var mod = AtomicInteger(0)
    private var timeSinceLastLoad: Long = 0
    fun renderURL(url: String): Future<ByteBuffer?> {
        val f = CompletableFuture<ByteBuffer?>()
        pendingRequests.add(Runnable {
            sourceView[url] = ByteBuffer.allocateDirect(4 * w * h).order(ByteOrder.nativeOrder())
            callback[url] = Runnable {
                f.complete(sourceView[url])
                requestDone = true
            }
            callbackOnNextReload = Runnable {}
            timeSinceLastLoad = System.currentTimeMillis()
            browser.loadURL(url)
        })
        checkAndRunRequests()
        return f
    }

    fun renderText(text: String): Future<ByteBuffer?> {
        val f = CompletableFuture<ByteBuffer?>()
        pendingRequests.add(Runnable {
            val res = UUID.randomUUID().toString()
            val url = "http://localhost:$a/$res"
            sourceView[url] = ByteBuffer.allocateDirect(4 * w * h).order(ByteOrder.nativeOrder())
            callback[url] = Runnable {
                f.complete(sourceView[url])
                requestDone = true
            }
            callbackOnNextReload = Runnable {}
            textTable[url] = text
            browser.loadURL(url)