mirror of
https://github.com/gsantner/dandelion
synced 2024-09-26 17:59:35 +02:00
431 lines
19 KiB
Java
431 lines
19 KiB
Java
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package com.github.dfa.diaspora_android.fragment;
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import android.Manifest;
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import android.app.AlarmManager;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.graphics.Bitmap;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Environment;
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import android.os.StrictMode;
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import android.support.design.widget.Snackbar;
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import android.support.v7.app.AlertDialog;
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import android.view.View;
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import android.webkit.JavascriptInterface;
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import android.webkit.ValueCallback;
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import android.webkit.WebChromeClient;
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import android.webkit.WebSettings;
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import android.webkit.WebView;
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import android.webkit.WebViewClient;
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import android.widget.ProgressBar;
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import android.widget.Toast;
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import com.github.dfa.diaspora_android.App;
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import com.github.dfa.diaspora_android.R;
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import com.github.dfa.diaspora_android.activity.MainActivity;
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import com.github.dfa.diaspora_android.data.AppSettings;
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import com.github.dfa.diaspora_android.data.PodUserProfile;
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import com.github.dfa.diaspora_android.ui.ContextMenuWebView;
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import com.github.dfa.diaspora_android.ui.CustomWebViewClient;
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import com.github.dfa.diaspora_android.util.AppLog;
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import com.github.dfa.diaspora_android.util.WebHelper;
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import org.json.JSONException;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Locale;
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import info.guardianproject.netcipher.NetCipher;
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import info.guardianproject.netcipher.webkit.WebkitProxy;
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/**
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* Fragment that contains a WebView with a bunch of functionality
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* Created by vanitas on 21.09.16.
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*/
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public abstract class WebViewFragment extends CustomFragment {
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protected WebSettings webSettings;
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protected WebViewClient webViewClient;
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protected ContextMenuWebView webView;
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protected ProgressBar progressBar;
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protected AppSettings appSettings;
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protected String textToBeShared;
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public void onViewCreated(View view, Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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}
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protected void setup(ContextMenuWebView webView, final ProgressBar progressBar, AppSettings appSettings) {
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this.appSettings = appSettings;
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this.webSettings = webView.getSettings();
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this.webView = webView;
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this.progressBar = progressBar;
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if (appSettings.isProxyEnabled()) {
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if (!setProxy(appSettings.getProxyHost(), appSettings.getProxyPort())) {
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AppLog.e(this, "Could not enable Proxy");
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Toast.makeText(getContext(), R.string.toast_set_proxy_failed, Toast.LENGTH_SHORT).show();
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}
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} else if (appSettings.wasProxyEnabled()) {
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resetProxy();
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}
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webSettings.setJavaScriptEnabled(true);
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webSettings.setAllowFileAccess(false);
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webSettings.setUseWideViewPort(true);
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webSettings.setLoadWithOverviewMode(true);
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webSettings.setDomStorageEnabled(true);
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webSettings.setMinimumFontSize(appSettings.getMinimumFontSize());
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webSettings.setLoadsImagesAutomatically(appSettings.isLoadImages());
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webSettings.setAppCacheEnabled(true);
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if (android.os.Build.VERSION.SDK_INT >= 21) {
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WebView.enableSlowWholeDocumentDraw();
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webSettings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
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}
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this.registerForContextMenu(webView);
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//webView.setParentActivity(this);
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webView.setOverScrollMode(WebView.OVER_SCROLL_ALWAYS);
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// Setup WebView
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webView.addJavascriptInterface(new JavaScriptInterface(), "AndroidBridge");
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//Set proxy
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if (appSettings.isProxyEnabled()) {
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if (!setProxy(appSettings.getProxyHost(), appSettings.getProxyPort())) {
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AppLog.d(this, "Could not enable Proxy");
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Toast.makeText(getContext(), R.string.toast_set_proxy_failed, Toast.LENGTH_SHORT).show();
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}
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} else if (appSettings.wasProxyEnabled()) {
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resetProxy();
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}
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/*
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* WebViewClient
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*/
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this.webViewClient = new CustomWebViewClient((App) getActivity().getApplication(), webView);
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webView.setWebViewClient(webViewClient);
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/*
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* WebChromeClient
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*/
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webView.setWebChromeClient(new WebChromeClient() {
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final ProgressBar pb = progressBar;
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public void onProgressChanged(WebView wv, int progress) {
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pb.setProgress(progress);
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if (progress > 0 && progress <= 60) {
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WebHelper.getUserProfile(wv);
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WebHelper.optimizeMobileSiteLayout(wv);
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}
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if (progress > 60) {
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WebHelper.optimizeMobileSiteLayout(wv);
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if (textToBeShared != null) {
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WebHelper.shareTextIntoWebView(wv, textToBeShared);
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}
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}
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progressBar.setVisibility(progress == 100 ? View.GONE : View.VISIBLE);
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}
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//For Android 4.1/4.2 only. DO NOT REMOVE!
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@SuppressWarnings("unused")
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protected void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture)
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{
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AppLog.v(this, "openFileChooser(ValCallback<Uri>, String, String");
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//imageUploadFilePathCallbackOld = uploadMsg;
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Intent intent = new Intent();
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intent.setType("image/*");
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intent.setAction(Intent.ACTION_GET_CONTENT);
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intent.putExtra("return-data", true);
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intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
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AppLog.v(this, "startActivityForResult");
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startActivityForResult(Intent.createChooser(intent, "Select Picture"), MainActivity.INPUT_FILE_REQUEST_CODE_OLD);
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}
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/*
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@Override
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public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback, FileChooserParams fileChooserParams) {
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if(Build.VERSION.SDK_INT >= 23) {
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int hasWRITE_EXTERNAL_STORAGE = getActivity().checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
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if (hasWRITE_EXTERNAL_STORAGE != PackageManager.PERMISSION_GRANTED) {
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if (!shouldShowRequestPermissionRationale(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
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new AlertDialog.Builder(getContext())
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.setMessage(R.string.permissions_image)
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.setNegativeButton(android.R.string.no, null)
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.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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if (android.os.Build.VERSION.SDK_INT >= 23)
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requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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MainActivity.REQUEST_CODE_ASK_PERMISSIONS);
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}
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})
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.show();
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return false;
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}
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requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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MainActivity.REQUEST_CODE_ASK_PERMISSIONS);
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return false;
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}
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}
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AppLog.d(this, "onOpenFileChooser");
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if (MainActivity.imageUploadFilePathCallbackNew != null) imageUploadFilePathCallbackNew.onReceiveValue(null);
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imageUploadFilePathCallbackNew = filePathCallback;
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Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
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if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
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// Create the File where the photo should go
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File photoFile;
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try {
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photoFile = Helpers.createImageFile();
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takePictureIntent.putExtra("PhotoPath", mCameraPhotoPath);
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} catch (IOException ex) {
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AppLog.e(this, "ERROR creating temp file: "+ ex.toString());
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// Error occurred while creating the File
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Snackbar.make(contentLayout, R.string.unable_to_load_image, Snackbar.LENGTH_LONG).show();
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return false;
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}
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// Continue only if the File was successfully created
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if (photoFile != null) {
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mCameraPhotoPath = "file:" + photoFile.getAbsolutePath();
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takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
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Uri.fromFile(photoFile));
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} else {
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takePictureIntent = null;
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}
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}
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Intent contentSelectionIntent = new Intent(Intent.ACTION_GET_CONTENT);
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contentSelectionIntent.addCategory(Intent.CATEGORY_OPENABLE);
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contentSelectionIntent.setType("image/*");
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Intent[] intentArray;
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if (takePictureIntent != null) {
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intentArray = new Intent[]{takePictureIntent};
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} else {
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intentArray = new Intent[0];
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}
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Intent chooserIntent = new Intent(Intent.ACTION_CHOOSER);
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chooserIntent.putExtra(Intent.EXTRA_INTENT, contentSelectionIntent);
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chooserIntent.putExtra(Intent.EXTRA_TITLE, "Image Chooser");
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chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentArray);
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Log.d(App.TAG,"startActivityForResult");
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startActivityForResult(chooserIntent, INPUT_FILE_REQUEST_CODE_NEW);
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return true;
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}
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*/
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});
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}
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/**
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* Set proxy according to arguments. host must not be "" or null, port must be positive.
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* Return true on success and update appSettings' proxy related values.
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*
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* @param host proxy host (eg. localhost or 127.0.0.1)
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* @param port proxy port (eg. 8118)
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* @return success
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* @throws IllegalArgumentException if arguments do not fit specifications above
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*/
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private boolean setProxy(final String host, final int port) {
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AppLog.i(this, "StreamFragment.setProxy()");
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if (host != null && !host.equals("") && port >= 0) {
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AppLog.i(this, "Set proxy to "+host+":"+port);
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//Temporary change thread policy
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AppLog.v(this, "Set temporary ThreadPolicy");
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StrictMode.ThreadPolicy old = StrictMode.getThreadPolicy();
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StrictMode.ThreadPolicy tmp = new StrictMode.ThreadPolicy.Builder().permitAll().build();
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StrictMode.setThreadPolicy(tmp);
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AppLog.v(this, "Apply NetCipher proxy settings");
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NetCipher.setProxy(host, port); //Proxy for HttpsUrlConnections
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try {
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//Proxy for the webview
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AppLog.v(this, "Apply Webkit proxy settings");
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WebkitProxy.setProxy(MainActivity.class.getName(), getContext().getApplicationContext(), null, host, port);
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} catch (Exception e) {
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AppLog.e(this, "Could not apply WebKit proxy settings:\n"+e.toString());
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}
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AppLog.v(this, "Save changes in appSettings");
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appSettings.setProxyEnabled(true);
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appSettings.setProxyWasEnabled(true);
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AppLog.v(this, "Reset old ThreadPolicy");
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StrictMode.setThreadPolicy(old);
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AppLog.i(this, "Success! Reload WebView");
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webView.reload();
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return true;
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} else {
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AppLog.e(this, "Invalid proxy configuration. Host: "+host+" Port: "+port+"\nRefuse to set proxy");
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return false;
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}
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}
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private boolean setProxy() {
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return setProxy(appSettings.getProxyHost(), appSettings.getProxyPort());
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}
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private void resetProxy() {
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AppLog.i(this, "StreamFragment.resetProxy()");
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AppLog.v(this, "write changes to appSettings");
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appSettings.setProxyEnabled(false);
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appSettings.setProxyWasEnabled(false);
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//Temporary change thread policy
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AppLog.v(this, "Set temporary ThreadPolicy");
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StrictMode.ThreadPolicy old = StrictMode.getThreadPolicy();
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StrictMode.ThreadPolicy tmp = new StrictMode.ThreadPolicy.Builder().permitAll().build();
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StrictMode.setThreadPolicy(tmp);
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AppLog.v(this, "clear NetCipher proxy");
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NetCipher.clearProxy();
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try {
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AppLog.v(this, "clear WebKit proxy");
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WebkitProxy.resetProxy(MainActivity.class.getName(), getContext());
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} catch (Exception e) {
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AppLog.e(this, "Could not clear WebKit proxy:\n"+e.toString());
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}
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AppLog.v(this, "Reset old ThreadPolicy");
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StrictMode.setThreadPolicy(old);
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//Restart app
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AppLog.i(this, "Success! Restart app due to proxy reset");
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Intent restartActivity = new Intent(getContext(), MainActivity.class);
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PendingIntent pendingIntent = PendingIntent.getActivity(getContext(), 12374, restartActivity, PendingIntent.FLAG_CANCEL_CURRENT);
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AlarmManager mgr = (AlarmManager) getActivity().getSystemService(Context.ALARM_SERVICE);
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mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 100, pendingIntent);
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System.exit(0);
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}
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private class JavaScriptInterface {
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@JavascriptInterface
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public void setUserProfile(final String webMessage) throws JSONException {
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PodUserProfile pup = ((App)getActivity().getApplication()).getPodUserProfile();
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AppLog.i(this, "StreamFragment.JavaScriptInterface.setUserProfile()");
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if (pup.isRefreshNeeded()) {
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AppLog.v(this, "PodUserProfile needs refresh; Try to parse JSON");
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pup.parseJson(webMessage);
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} else {
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AppLog.v(this, "No PodUserProfile refresh needed");
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}
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}
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@JavascriptInterface
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public void contentHasBeenShared() {
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textToBeShared = null;
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}
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}
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@SuppressWarnings("ResultOfMethodCallIgnored")
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protected boolean makeScreenshotOfWebView(boolean hasToShareScreenshot) {
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AppLog.i(this, "StreamFragment.makeScreenshotOfWebView()");
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if (android.os.Build.VERSION.SDK_INT >= 23) {
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int hasWRITE_EXTERNAL_STORAGE = getActivity().checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
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if (hasWRITE_EXTERNAL_STORAGE != PackageManager.PERMISSION_GRANTED) {
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if (!shouldShowRequestPermissionRationale(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
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new AlertDialog.Builder(getContext())
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.setMessage(R.string.permissions_screenshot)
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.setNegativeButton(android.R.string.no, null)
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.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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if (android.os.Build.VERSION.SDK_INT >= 23)
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requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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MainActivity.REQUEST_CODE_ASK_PERMISSIONS);
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}
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})
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.show();
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return false;
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}
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requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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MainActivity.REQUEST_CODE_ASK_PERMISSIONS);
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return false;
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}
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}
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Date dateNow = new Date();
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DateFormat dateFormat = new SimpleDateFormat("yy_MM_dd--HH_mm_ss", Locale.getDefault());
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File fileSaveDirectory = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/Diaspora");
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String fileSaveName = hasToShareScreenshot ? ".DfA_share.jpg" : String.format("DfA_%s.jpg", dateFormat.format(dateNow));
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if (!fileSaveDirectory.exists()) {
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if(!fileSaveDirectory.mkdirs()) {
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AppLog.w(this, "Could not mkdir "+fileSaveDirectory.getAbsolutePath());
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}
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}
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if (!hasToShareScreenshot) {
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Snackbar.make(webView, getString(R.string.share__toast_screenshot) + " " + fileSaveName, Snackbar.LENGTH_LONG).show();
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}
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Bitmap bitmap;
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webView.setDrawingCacheEnabled(true);
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bitmap = Bitmap.createBitmap(webView.getDrawingCache());
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webView.setDrawingCacheEnabled(false);
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OutputStream bitmapWriter = null;
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try {
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bitmapWriter = new FileOutputStream(new File(fileSaveDirectory, fileSaveName));
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bitmap.compress(Bitmap.CompressFormat.JPEG, 85, bitmapWriter);
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bitmapWriter.flush();
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bitmap.recycle();
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} catch (Exception e) {
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return false;
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} finally {
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if (bitmapWriter != null) {
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try {
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bitmapWriter.close();
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} catch (IOException _ignSaveored) {/* Nothing */}
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}
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}
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// Only show share intent when Action Share Screenshot was selected
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if (hasToShareScreenshot) {
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|
Intent sharingIntent = new Intent(Intent.ACTION_SEND);
|
||
|
sharingIntent.setType("image/jpeg");
|
||
|
sharingIntent.putExtra(Intent.EXTRA_SUBJECT, webView.getTitle());
|
||
|
sharingIntent.putExtra(Intent.EXTRA_TEXT, webView.getUrl());
|
||
|
Uri bmpUri = Uri.fromFile(new File(fileSaveDirectory, fileSaveName));
|
||
|
sharingIntent.putExtra(Intent.EXTRA_STREAM, bmpUri);
|
||
|
startActivity(Intent.createChooser(sharingIntent, getString(R.string.action_share_dotdotdot)));
|
||
|
} else {
|
||
|
// Broadcast that this file is indexable
|
||
|
File file = new File(fileSaveDirectory, fileSaveName);
|
||
|
Uri uri = Uri.fromFile(file);
|
||
|
Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri);
|
||
|
getActivity().sendBroadcast(intent);
|
||
|
}
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
public void loadUrl(String url) {
|
||
|
getWebView().loadUrlNew(url);
|
||
|
}
|
||
|
|
||
|
public String getUrl() {
|
||
|
return getWebView().getUrl();
|
||
|
}
|
||
|
|
||
|
public void reloadUrl() {
|
||
|
getWebView().reload();
|
||
|
}
|
||
|
|
||
|
public ContextMenuWebView getWebView() {
|
||
|
return this.webView;
|
||
|
}
|
||
|
}
|