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feat(android): Add support for injectedJavaScriptBeforeContentLoaded on Android (#1099 by @SRandazzo and @ @shirakaba)

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This commit is contained in:
Salvatore Randazzo
2020-06-13 13:54:48 -07:00
committed by GitHub
parent b482bbd3a3
commit ac4e05e0f2
6 changed files with 119 additions and 47 deletions
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android/src/main/java/com/reactnativecommunity/webview/RNCWebViewManager.java
+48
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@@ -400,6 +400,21 @@ public class RNCWebViewManager extends SimpleViewManager<WebView> {
((RNCWebView) view).setInjectedJavaScript(injectedJavaScript);
}
@ReactProp(name = "injectedJavaScriptBeforeContentLoaded")
public void setInjectedJavaScriptBeforeContentLoaded(WebView view, @Nullable String injectedJavaScriptBeforeContentLoaded) {
((RNCWebView) view).setInjectedJavaScriptBeforeContentLoaded(injectedJavaScriptBeforeContentLoaded);
}
@ReactProp(name = "injectedJavaScriptForMainFrameOnly")
public void setInjectedJavaScriptForMainFrameOnly(WebView view, boolean enabled) {
((RNCWebView) view).setInjectedJavaScriptForMainFrameOnly(enabled);
}
@ReactProp(name = "injectedJavaScriptBeforeContentLoadedForMainFrameOnly")
public void setInjectedJavaScriptBeforeContentLoadedForMainFrameOnly(WebView view, boolean enabled) {
((RNCWebView) view).setInjectedJavaScriptBeforeContentLoadedForMainFrameOnly(enabled);
}
@ReactProp(name = "messagingEnabled")
public void setMessagingEnabled(WebView view, boolean enabled) {
((RNCWebView) view).setMessagingEnabled(enabled);
@@ -753,6 +768,9 @@ public class RNCWebViewManager extends SimpleViewManager<WebView> {
super.onPageStarted(webView, url, favicon);
mLastLoadFailed = false;
RNCWebView reactWebView = (RNCWebView) webView;
reactWebView.callInjectedJavaScriptBeforeContentLoaded();
dispatchEvent(
webView,
new TopLoadingStartEvent(
@@ -1011,6 +1029,16 @@ public class RNCWebViewManager extends SimpleViewManager<WebView> {
protected static class RNCWebView extends WebView implements LifecycleEventListener {
protected @Nullable
String injectedJS;
protected @Nullable
String injectedJSBeforeContentLoaded;
/**
* android.webkit.WebChromeClient fundamentally does not support JS injection into frames other
* than the main frame, so these two properties are mostly here just for parity with iOS & macOS.
*/
protected boolean injectedJavaScriptForMainFrameOnly = true;
protected boolean injectedJavaScriptBeforeContentLoadedForMainFrameOnly = true;
protected boolean messagingEnabled = false;
protected @Nullable
String messagingModuleName;
@@ -1105,6 +1133,18 @@ public class RNCWebViewManager extends SimpleViewManager<WebView> {
injectedJS = js;
}
public void setInjectedJavaScriptBeforeContentLoaded(@Nullable String js) {
injectedJSBeforeContentLoaded = js;
}
public void setInjectedJavaScriptForMainFrameOnly(boolean enabled) {
injectedJavaScriptForMainFrameOnly = enabled;
}
public void setInjectedJavaScriptBeforeContentLoadedForMainFrameOnly(boolean enabled) {
injectedJavaScriptBeforeContentLoadedForMainFrameOnly = enabled;
}
protected RNCWebViewBridge createRNCWebViewBridge(RNCWebView webView) {
return new RNCWebViewBridge(webView);
}
@@ -1159,6 +1199,14 @@ public class RNCWebViewManager extends SimpleViewManager<WebView> {
}
}
public void callInjectedJavaScriptBeforeContentLoaded() {
if (getSettings().getJavaScriptEnabled() &&
injectedJSBeforeContentLoaded != null &&
!TextUtils.isEmpty(injectedJSBeforeContentLoaded)) {
evaluateJavascriptWithFallback("(function() {\n" + injectedJSBeforeContentLoaded + ";\n})();");
}
}
public void onMessage(String message) {
ReactContext reactContext = (ReactContext) this.getContext();
RNCWebView mContext = this;