/**
* Copyright 2010-present Facebook.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package drupalfit;
import android.annotation.SuppressLint;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.net.http.SslError;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.*;
import android.webkit.SslErrorHandler;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.webkit.WebChromeClient;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.webkit.CookieSyncManager;
import java.net.URL;
import retrofit.Callback;
import retrofit.client.Response;
import retrofit.RetrofitError;
/**
* A webdialog for external web and redirect url callback
*/
public class WebDialog extends Dialog {
public static final int DEFAULT_THEME = android.R.style.Theme_Translucent_NoTitleBar;
private String url;
private static final String DISPLAY_TOUCH = "touch";
private static final String USER_AGENT = "user_agent";
static final String REDIRECT_URI = "connect://success";
static final String CANCEL_URI = "connect://cancel";
static final boolean DISABLE_SSL_CHECK = false;
/**
* Constructor which can be used to display a dialog with an already-constructed URL.
*
* @param context the context to use to display the dialog
* @param url the URL of the Web Dialog to display; no validation is done on this URL, but it should
* be a valid URL pointing to a Facebook Web Dialog
*/
public WebDialog(Context context, String url) {
this(context, url, DEFAULT_THEME);
Log8.d();
}
public WebDialog(Context context, String url, Callback<String> callback) {
this(context, url, DEFAULT_THEME, callback);
}
protected Callback<String> callback;
public WebDialog(Context context, String url, int theme, Callback<String> callback) {
this(context, url, theme);
this.callback = callback;
}
/**
* Constructor which can be used to display a dialog with an already-constructed URL and a custom theme.
*
* @param context the context to use to display the dialog
* @param url the URL of the Web Dialog to display; no validation is done on this URL, but it should
* be a valid URL pointing to a Facebook Web Dialog
* @param theme identifier of a theme to pass to the Dialog class
*/
public WebDialog(Context context, String url, int theme) {
super(context, theme);
Log8.d();
this.url = url;
}
@Override
public void dismiss() {
Log8.d();
if (webView != null) {
Log8.d();
webView.stopLoading();
}
if (!isDetached) {
if (spinner.isShowing()) {
Log8.d();
spinner.dismiss();
}
Log8.d();
super.dismiss();
}
}
@Override
public void onDetachedFromWindow() {
isDetached = true;
Log8.d();
super.onDetachedFromWindow();
}
private boolean isDetached = false;
@Override
public void onAttachedToWindow() {
isDetached = false;
Log8.d();
super.onAttachedToWindow();
}
private WebView webView;
private ProgressDialog spinner;
private FrameLayout contentFrameLayout;
private boolean listenerCalled = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log8.d();
spinner = new ProgressDialog(getContext());
spinner.requestWindowFeature(Window.FEATURE_NO_TITLE);
spinner.setOnCancelListener(new OnCancelListener() {
@Override
public void onCancel(DialogInterface dialogInterface) {
Log8.d();
WebDialog.this.dismiss();
}
});
Log8.d();
requestWindowFeature(Window.FEATURE_NO_TITLE);
contentFrameLayout = new FrameLayout(getContext());
// First calculate how big the frame layout should be
getWindow().setGravity(Gravity.CENTER);
Log8.d();
// resize the dialog if the soft keyboard comes up
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
Log8.d();
setUpWebView(500);
Log8.d();
setContentView(contentFrameLayout);
Log8.d();
}
@SuppressLint("SetJavaScriptEnabled")
private void setUpWebView(int margin) {
Log8.d();
LinearLayout webViewContainer = new LinearLayout(getContext());
webView = new WebView(getContext());
webView.setVerticalScrollBarEnabled(false);
webView.setHorizontalScrollBarEnabled(false);
webView.setWebViewClient(new DialogWebViewClient());
//webView.setWebChromeClient(new WebChromeClient());
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl(url);
webView.setLayoutParams(new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT));
webView.setVisibility(View.INVISIBLE);
webView.getSettings().setSavePassword(false);
webView.getSettings().setSaveFormData(false);
webViewContainer.setPadding(margin, margin, margin, margin);
webViewContainer.addView(webView);
webViewContainer.setBackgroundColor(0xCC000000);
contentFrameLayout.addView(webViewContainer);
Log8.d();
}
private class DialogWebViewClient extends WebViewClient {
@Override
@SuppressWarnings("deprecation")
public boolean shouldOverrideUrlLoading(WebView view, String url) {
Log8.d(url);
if (url.contains("error")) {
// error
Log8.d("error");
callback.failure(RetrofitError.unexpectedError(url, new RuntimeException()));
} else {
// success
callback.success(android.webkit.CookieManager.getInstance().getCookie(url), (Response) null);
}
return true;
}
@Override
public void onReceivedError(WebView view, int errorCode,
String description, String failingUrl) {
super.onReceivedError(view, errorCode, description, failingUrl);
Log8.d(failingUrl);
WebDialog.this.dismiss();
}
@Override
public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
Log8.d();
handler.proceed();
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
Log8.d(url);
if (!isDetached) {
Log8.d();
spinner.show();
}
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
Log8.d(url);
if (!isDetached) {
Log8.d();
spinner.dismiss();
}
/*
* Once web view is fully loaded, set the contentFrameLayout background to be transparent
* and make visible the 'x' image.
*/
Log8.d();
contentFrameLayout.setBackgroundColor(Color.TRANSPARENT);
webView.setVisibility(View.VISIBLE);
}
}
}
