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WebView: implement WebViewClient callbacks

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This commit is contained in:
Julian Winkler
2024-10-03 22:43:42 +02:00
parent 633f1e6f96
commit 4f4fd15fef
5 changed files with 27 additions and 1 deletions
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1
src/api-impl-jni/util.c
View File

@@ -164,6 +164,7 @@ void set_up_handle_cache(JNIEnv *env)
handle_cache.webview.class = _REF((*env)->FindClass(env, "android/webkit/WebView"));
handle_cache.webview.internalGetAssetManager = _METHOD(handle_cache.webview.class, "internalGetAssetManager", "()Landroid/content/res/AssetManager;");
handle_cache.webview.internalLoadChanged = _METHOD(handle_cache.webview.class, "internalLoadChanged", "(ILjava/lang/String;)V");
}
void extract_from_apk(const char *path, const char *target) {

1
src/api-impl-jni/util.h
View File

@@ -114,6 +114,7 @@ struct handle_cache {
struct {
jclass class;
jmethodID internalGetAssetManager;
jmethodID internalLoadChanged;
} webview;
};

8
src/api-impl-jni/widgets/android_webkit_WebView.c
View File

@@ -33,6 +33,13 @@ static void asset_uri_scheme_request_cb(WebKitURISchemeRequest *request, gpointe
g_object_unref(stream);
}
static void web_view_load_changed(WebKitWebView *web_view, WebKitLoadEvent load_event, gpointer user_data)
{
WrapperWidget *wrapper = WRAPPER_WIDGET(gtk_widget_get_parent(GTK_WIDGET(web_view)));
JNIEnv *env = get_jni_env();
(*env)->CallVoidMethod(env, wrapper->jobj, handle_cache.webview.internalLoadChanged, load_event, _JSTRING(webkit_web_view_get_uri(web_view)));
}
JNIEXPORT jlong JNICALL Java_android_webkit_WebView_native_1constructor(JNIEnv *env, jobject this, jobject context, jobject attrs)
{
/*
@@ -48,6 +55,7 @@ JNIEXPORT jlong JNICALL Java_android_webkit_WebView_native_1constructor(JNIEnv *
wrapper_widget_set_child(WRAPPER_WIDGET(wrapper), webview);
wrapper_widget_set_jobject(WRAPPER_WIDGET(wrapper), env, this);
webkit_web_context_register_uri_scheme(webkit_web_view_get_context(WEBKIT_WEB_VIEW(webview)), "android-asset", asset_uri_scheme_request_cb, NULL, NULL);
g_signal_connect(G_OBJECT(webview), "load-changed", G_CALLBACK(web_view_load_changed), NULL);
return _INTPTR(webview);
}

16
src/api-impl/android/webkit/WebView.java
View File

@@ -6,6 +6,9 @@ import android.util.AttributeSet;
import android.view.View;
public class WebView extends View {
private WebViewClient webViewClient;
public WebView(Context context) {
this(context, null);
}
@@ -26,7 +29,18 @@ public class WebView extends View {
public void setScrollBarStyle(int scrollBarStyle) {}
public void setWebViewClient(WebViewClient webViewClient) {}
public void setWebViewClient(WebViewClient webViewClient) {
this.webViewClient = webViewClient;
}
// to be used by native code
void internalLoadChanged(int loadState, String url) {
if (loadState == /*WEBKIT_LOAD_STARTED*/0 && webViewClient != null) {
webViewClient.onPageStarted(this, url);
} else if (loadState == /*WEBKIT_LOAD_FINISHED*/3 && webViewClient != null) {
webViewClient.onPageFinished(this, url);
}
}
public void setVerticalScrollBarEnabled(boolean enabled) {}

2
src/api-impl/android/webkit/WebViewClient.java
View File

@@ -1,4 +1,6 @@
package android.webkit;
public class WebViewClient {
public void onPageStarted(WebView view, String url) {}
public void onPageFinished(WebView view, String url) {}
}