Keeping InAppBrowser up to date

This commit is contained in:
Joe Bowser 2013-04-11 15:35:38 -07:00
parent 37cb0639a2
commit 43692d237c

View File

@ -53,6 +53,7 @@ import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.webkit.WebChromeClient;
import android.webkit.GeolocationPermissions.Callback;
import android.webkit.JsPromptResult;
import android.webkit.WebSettings;
import android.webkit.WebStorage;
import android.webkit.WebView;
@ -94,12 +95,9 @@ public class InAppBrowser extends CordovaPlugin {
* @return A PluginResult object with a status and message.
*/
public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
PluginResult.Status status = PluginResult.Status.OK;
String result = "";
this.callbackContext = callbackContext;
try {
if (action.equals("open")) {
this.callbackContext = callbackContext;
String url = args.getString(0);
String target = args.optString(1);
if (target == null || target.equals("") || target.equals(NULL)) {
@ -110,6 +108,7 @@ public class InAppBrowser extends CordovaPlugin {
Log.d(LOG_TAG, "target = " + target);
url = updateUrl(url);
String result = "";
// SELF
if (SELF.equals(target)) {
@ -145,41 +144,89 @@ public class InAppBrowser extends CordovaPlugin {
Log.d(LOG_TAG, "in blank");
result = this.showWebPage(url, features);
}
PluginResult pluginResult = new PluginResult(PluginResult.Status.OK, result);
pluginResult.setKeepCallback(true);
this.callbackContext.sendPluginResult(pluginResult);
}
else if (action.equals("close")) {
closeDialog();
PluginResult pluginResult = new PluginResult(PluginResult.Status.OK);
pluginResult.setKeepCallback(false);
this.callbackContext.sendPluginResult(pluginResult);
this.callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK));
}
else if (action.equals("injectScriptCode")) {
String source = args.getString(0);
org.json.JSONArray jsonEsc = new org.json.JSONArray();
jsonEsc.put(source);
String jsonRepr = jsonEsc.toString();
String jsonSourceString = jsonRepr.substring(1, jsonRepr.length()-1);
String scriptEnclosure = "(function(d){var c=d.createElement('script');c.type='text/javascript';c.innerText="
+ jsonSourceString
+ ";d.getElementsByTagName('head')[0].appendChild(c);})(document)";
this.inAppWebView.loadUrl("javascript:" + scriptEnclosure);
PluginResult pluginResult = new PluginResult(PluginResult.Status.OK);
this.callbackContext.sendPluginResult(pluginResult);
String jsWrapper = null;
if (args.getBoolean(1)) {
jsWrapper = String.format("prompt(JSON.stringify([eval(%%s)]), 'gap-iab://%s')", callbackContext.getCallbackId());
}
injectDeferredObject(args.getString(0), jsWrapper);
}
else if (action.equals("injectScriptFile")) {
String jsWrapper;
if (args.getBoolean(1)) {
jsWrapper = String.format("(function(d) { var c = d.createElement('script'); c.src = %%s; c.onload = function() { prompt('', 'gap-iab://%s'); }; d.body.appendChild(c); })(document)", callbackContext.getCallbackId());
} else {
jsWrapper = "(function(d) { var c = d.createElement('script'); c.src = %s; d.body.appendChild(c); })(document)";
}
injectDeferredObject(args.getString(0), jsWrapper);
}
else if (action.equals("injectStyleCode")) {
String jsWrapper;
if (args.getBoolean(1)) {
jsWrapper = String.format("(function(d) { var c = d.createElement('style'); c.innerHTML = %%s; d.body.appendChild(c); prompt('', 'gap-iab://%s');})(document)", callbackContext.getCallbackId());
} else {
jsWrapper = "(function(d) { var c = d.createElement('style'); c.innerHTML = %s; d.body.appendChild(c); })(document)";
}
injectDeferredObject(args.getString(0), jsWrapper);
}
else if (action.equals("injectStyleFile")) {
String jsWrapper;
if (args.getBoolean(1)) {
jsWrapper = String.format("(function(d) { var c = d.createElement('link'); c.rel='stylesheet'; c.type='text/css'; c.href = %%s; d.head.appendChild(c); prompt('', 'gap-iab://%s');})(document)", callbackContext.getCallbackId());
} else {
jsWrapper = "(function(d) { var c = d.createElement('link'); c.rel='stylesheet'; c.type='text/css'; c.href = %s; d.head.appendChild(c); })(document)";
}
injectDeferredObject(args.getString(0), jsWrapper);
}
else {
status = PluginResult.Status.INVALID_ACTION;
return false;
}
PluginResult pluginResult = new PluginResult(status, result);
pluginResult.setKeepCallback(true);
this.callbackContext.sendPluginResult(pluginResult);
} catch (JSONException e) {
this.callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION));
}
return true;
}
/**
* Inject an object (script or style) into the InAppBrowser WebView.
*
* This is a helper method for the inject{Script|Style}{Code|File} API calls, which
* provides a consistent method for injecting JavaScript code into the document.
*
* If a wrapper string is supplied, then the source string will be JSON-encoded (adding
* quotes) and wrapped using string formatting. (The wrapper string should have a single
* '%s' marker)
*
* @param source The source object (filename or script/style text) to inject into
* the document.
* @param jsWrapper A JavaScript string to wrap the source string in, so that the object
* is properly injected, or null if the source string is JavaScript text
* which should be executed directly.
*/
private void injectDeferredObject(String source, String jsWrapper) {
String scriptToInject;
if (jsWrapper != null) {
org.json.JSONArray jsonEsc = new org.json.JSONArray();
jsonEsc.put(source);
String jsonRepr = jsonEsc.toString();
String jsonSourceString = jsonRepr.substring(1, jsonRepr.length()-1);
scriptToInject = String.format(jsWrapper, jsonSourceString);
} else {
scriptToInject = source;
}
// This action will have the side-effect of blurring the currently focused element
this.inAppWebView.loadUrl("javascript:" + scriptToInject);
}
/**
* Put the list of features into a hash map
*
@ -446,7 +493,7 @@ public class InAppBrowser extends CordovaPlugin {
// WebView
inAppWebView = new WebView(cordova.getActivity());
inAppWebView.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
inAppWebView.setWebChromeClient(new InAppChromeClient());
inAppWebView.setWebChromeClient(new InAppChromeClient(thatWebView));
WebViewClient client = new InAppBrowserClient(thatWebView, edittext);
inAppWebView.setWebViewClient(client);
WebSettings settings = inAppWebView.getSettings();
@ -529,8 +576,15 @@ public class InAppBrowser extends CordovaPlugin {
result.setKeepCallback(keepCallback);
this.callbackContext.sendPluginResult(result);
}
public class InAppChromeClient extends WebChromeClient {
private CordovaWebView webView;
public InAppChromeClient(CordovaWebView webView) {
super();
this.webView = webView;
}
/**
* Handle database quota exceeded notification.
*
@ -573,6 +627,57 @@ public class InAppBrowser extends CordovaPlugin {
super.onGeolocationPermissionsShowPrompt(origin, callback);
callback.invoke(origin, true, false);
}
/**
* Tell the client to display a prompt dialog to the user.
* If the client returns true, WebView will assume that the client will
* handle the prompt dialog and call the appropriate JsPromptResult method.
*
* The prompt bridge provided for the InAppBrowser is capable of executing any
* oustanding callback belonging to the InAppBrowser plugin. Care has been
* taken that other callbacks cannot be triggered, and that no other code
* execution is possible.
*
* To trigger the bridge, the prompt default value should be of the form:
*
* gap-iab://<callbackId>
*
* where <callbackId> is the string id of the callback to trigger (something
* like "InAppBrowser0123456789")
*
* If present, the prompt message is expected to be a JSON-encoded value to
* pass to the callback. A JSON_EXCEPTION is returned if the JSON is invalid.
*
* @param view
* @param url
* @param message
* @param defaultValue
* @param result
*/
@Override
public boolean onJsPrompt(WebView view, String url, String message, String defaultValue, JsPromptResult result) {
// See if the prompt string uses the 'gap-iab' protocol. If so, the remainder should be the id of a callback to execute.
if (defaultValue != null && defaultValue.startsWith("gap-iab://")) {
PluginResult scriptResult;
String scriptCallbackId = defaultValue.substring(10);
if (scriptCallbackId.startsWith("InAppBrowser")) {
if(message == null || message.length() == 0) {
scriptResult = new PluginResult(PluginResult.Status.OK, new JSONArray());
} else {
try {
scriptResult = new PluginResult(PluginResult.Status.OK, new JSONArray(message));
} catch(JSONException e) {
scriptResult = new PluginResult(PluginResult.Status.JSON_EXCEPTION, e.getMessage());
}
}
this.webView.sendPluginResult(scriptResult, scriptCallbackId);
result.confirm("");
return true;
}
}
return false;
}
}
/**