/*
* Copyright 2010 Facebook, Inc.
*
* 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 com.facebook.android;
import mobisocial.musubi.R;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.Window;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import com.facebook.android.Facebook.DialogListener;
public class FbDialog extends Dialog {
static final int FB_BLUE = 0xFF6D84B4;
static final float[] DIMENSIONS_DIFF_LANDSCAPE = {20, 60};
static final float[] DIMENSIONS_DIFF_PORTRAIT = {40, 60};
static final FrameLayout.LayoutParams FILL =
new FrameLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,
ViewGroup.LayoutParams.FILL_PARENT);
static final int MARGIN = 4;
static final int PADDING = 2;
static final String DISPLAY_STRING = "touch";
static final String FB_ICON = "icon.png";
private String mUrl;
private DialogListener mListener;
private ProgressDialog mSpinner;
private ImageView mCrossImage;
private WebView mWebView;
private FrameLayout mContent;
public FbDialog(Context context, String url, DialogListener listener) {
super(context, android.R.style.Theme_Translucent_NoTitleBar);
mUrl = url;
mListener = listener;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mSpinner = new ProgressDialog(getContext());
mSpinner.requestWindowFeature(Window.FEATURE_NO_TITLE);
mSpinner.setMessage("Loading...");
requestWindowFeature(Window.FEATURE_NO_TITLE);
mContent = new FrameLayout(getContext());
/* Create the 'x' image, but don't add to the mContent layout yet
* at this point, we only need to know its drawable width and height
* to place the webview
*/
createCrossImage();
/* Now we know 'x' drawable width and height,
* layout the webivew and add it the mContent layout
*/
int crossWidth = mCrossImage.getDrawable().getIntrinsicWidth();
setUpWebView(crossWidth / 2);
/* Finally add the 'x' image to the mContent layout and
* add mContent to the Dialog view
*/
mContent.addView(mCrossImage, new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
addContentView(mContent, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
}
private void createCrossImage() {
mCrossImage = new ImageView(getContext());
// Dismiss the dialog when user click on the 'x'
mCrossImage.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mListener.onCancel();
FbDialog.this.dismiss();
}
});
Drawable crossDrawable = getContext().getResources().getDrawable(R.drawable.close);
mCrossImage.setImageDrawable(crossDrawable);
/* 'x' should not be visible while webview is loading
* make it visible only after webview has fully loaded
*/
mCrossImage.setVisibility(View.INVISIBLE);
}
private void setUpWebView(int margin) {
LinearLayout webViewContainer = new LinearLayout(getContext());
mWebView = new WebView(getContext());
mWebView.setVerticalScrollBarEnabled(false);
mWebView.setHorizontalScrollBarEnabled(false);
mWebView.setWebViewClient(new FbDialog.FbWebViewClient());
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.loadUrl(mUrl);
mWebView.setLayoutParams(FILL);
mWebView.setVisibility(View.INVISIBLE);
webViewContainer.setPadding(margin, margin, margin, margin);
webViewContainer.addView(mWebView);
mContent.addView(webViewContainer);
}
private class FbWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
Util.logd("Facebook-WebView", "Redirect URL: " + url);
if (url.startsWith(Facebook.REDIRECT_URI)) {
Bundle values = Util.parseUrl(url);
String error = values.getString("error");
if (error == null) {
error = values.getString("error_type");
}
if (error == null) {
mListener.onComplete(values);
} else if (error.equals("access_denied") ||
error.equals("OAuthAccessDeniedException")) {
mListener.onCancel();
} else {
mListener.onFacebookError(new FacebookError(error));
}
FbDialog.this.dismiss();
return true;
} else if (url.startsWith(Facebook.CANCEL_URI)) {
mListener.onCancel();
FbDialog.this.dismiss();
return true;
} else if (url.contains(DISPLAY_STRING)) {
return false;
}
// launch non-dialog URLs in a full browser
getContext().startActivity(
new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
return true;
}
@Override
public void onReceivedError(WebView view, int errorCode,
String description, String failingUrl) {
super.onReceivedError(view, errorCode, description, failingUrl);
mListener.onError(
new DialogError(description, errorCode, failingUrl));
FbDialog.this.dismiss();
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
Util.logd("Facebook-WebView", "Webview loading URL: " + url);
super.onPageStarted(view, url, favicon);
mSpinner.show();
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
mSpinner.dismiss();
/*
* Once webview is fully loaded, set the mContent background to be transparent
* and make visible the 'x' image.
*/
mContent.setBackgroundColor(Color.TRANSPARENT);
mWebView.setVisibility(View.VISIBLE);
mCrossImage.setVisibility(View.VISIBLE);
}
}
}