dwindows: android/DWindows.kt comparison

comparison android/DWindows.kt @ 2982:e6fb2558e29e

Android: Support for dw_html_javascript_add() and DW_SIGNAL_HTML_MESSAGE. Have to bump Android minimum API version to 26 (Oreo) for this to work. Not completely functional but I need change locations, it builds.

author	bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date	Mon, 27 Mar 2023 00:40:17 +0000
parents	e400d349aca5
children	81611e54ff1d

comparison

equal deleted inserted replaced

-:0058ab32e1bd
+:e6fb2558e29e
 import android.util.*
 import android.util.Base64
 import android.view.*
 import android.view.View.OnTouchListener
 import android.view.inputmethod.EditorInfo
+import android.webkit.JavascriptInterface
 import android.webkit.WebView
 import android.webkit.WebViewClient
 import android.widget.*
 import android.widget.AdapterView.OnItemClickListener
 import android.widget.SeekBar.OnSeekBarChangeListener
+import androidx.annotation.RequiresApi
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.widget.AppCompatEditText
 import androidx.collection.SimpleArrayMap
 import androidx.constraintlayout.widget.ConstraintLayout
 const val SWITCH_PAGE = 15
 const val TREE_EXPAND = 16
 const val COLUMN_CLICK = 17
 const val HTML_RESULT = 18
 const val HTML_CHANGED = 19
+const val HTML_MESSAGE = 20
 }
 val DWImageExts = arrayOf("", ".png", ".webp", ".jpg", ".jpeg", ".gif")
 class DWTabViewPagerAdapter : RecyclerView.Adapter<DWTabViewPagerAdapter.DWEventViewHolder>() {
 class DWEventViewHolder(var view: View) : RecyclerView.ViewHolder(view)
 }
 private class DWWebViewClient : WebViewClient() {
+val HTMLAdds = mutableListOf<String>()
 //Implement shouldOverrideUrlLoading//
 @Deprecated("Deprecated in Java")
 override fun shouldOverrideUrlLoading(view: WebView, url: String): Boolean {
 // We always want to load in our own WebView,
 // to match the behavior on the other platforms
 // Handle the DW_HTML_CHANGE_STARTED event
 eventHandlerHTMLChanged(view, DWEvent.HTML_CHANGED, url, 1)
 }
 override fun onPageFinished(view: WebView, url: String) {
+// Inject the functions on the page on complete
+HTMLAdds.forEach { e -> view.loadUrl("javascript:function $e(body) { DWindows.postMessage($e, body) }") }
 // Handle the DW_HTML_CHANGE_COMPLETE event
 eventHandlerHTMLChanged(view, DWEvent.HTML_CHANGED, url, 4)
 }
 external fun eventHandlerHTMLChanged(obj1: View, message: Int, URI: String, status: Int)
+}
+class DWWebViewInterface internal constructor(var view: View) {
+/* Show a toast from the web page  */
+@JavascriptInterface
+fun postMessage(name: String?, body: String?) {
+// Handle the DW_HTML_CHANGE_COMPLETE event
+eventHandlerHTMLMessage(view, DWEvent.HTML_CHANGED, name, body)
+}
+external fun eventHandlerHTMLMessage(obj1: View, message: Int, hmltName: String?, htmlBody: String?)
 }
 class DWPrintDocumentAdapter : PrintDocumentAdapter()
 {
 var context: Context? = null
 html!!.tag = dataArrayMap
 html!!.id = cid
 // Configure a few settings to make it behave as we expect
 html!!.webViewClient = DWWebViewClient()
 html!!.settings.javaScriptEnabled = true
+html!!.addJavascriptInterface(DWWebViewInterface(html!!), "DWindows");
 }
 return html
 }
 fun htmlLoadURL(html: WebView, url: String)
 waitOnUiThread {
 html.evaluateJavascript(javascript) { value ->
 // Execute onReceiveValue's code
 eventHandlerHTMLResult(html, DWEvent.HTML_RESULT, value, data)
 }
+}
+}
+fun htmlJavascriptAdd(html: WebView, name: String)
+{
+waitOnUiThread {
+val client = html.webViewClient as DWWebViewClient
+client.HTMLAdds += name
 }
 }
 fun htmlAction(html: WebView, action: Int)
 {

Mercurial > dwindows

comparison android/DWindows.kt @ 2982:e6fb2558e29e