327 lines
12 KiB
Java
327 lines
12 KiB
Java
/*
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This file is part of the dandelion*.
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dandelion* is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dandelion* is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with the dandelion*.
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If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.github.dfa.diaspora_android.web;
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import android.Manifest;
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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.MutableContextWrapper;
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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.support.design.widget.Snackbar;
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import android.support.v7.app.AlertDialog;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.webkit.WebSettings;
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import android.webkit.WebView;
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import android.widget.ProgressBar;
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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.ui.theme.ThemeHelper;
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import com.github.dfa.diaspora_android.ui.theme.ThemedFragment;
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import com.github.dfa.diaspora_android.util.AppLog;
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import com.github.dfa.diaspora_android.util.AppSettings;
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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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/**
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* Fragment with a webView and a ProgressBar.
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* This Fragment retains its instance.
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* Created by vanitas on 26.09.16.
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*/
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public class BrowserFragment extends ThemedFragment {
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public static final String TAG = "com.github.dfa.diaspora_android.BrowserFragment";
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protected View rootLayout;
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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 CustomWebViewClient webViewClient;
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protected WebSettings webSettings;
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protected String pendingUrl;
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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AppLog.d(this, "onCreateView()");
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if (rootLayout == null) {
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LayoutInflater inflater1 = inflater.cloneInContext(new MutableContextWrapper(getContext()));
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rootLayout = inflater1.inflate(R.layout.browser__fragment, container, false);
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} else {
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MutableContextWrapper context = (MutableContextWrapper) rootLayout.getContext();
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context.setBaseContext(getContext());
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}
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return rootLayout;
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}
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@Override
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public void onViewCreated(View view, Bundle savedInstanceState) {
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AppLog.d(this, "onViewCreated()");
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super.onViewCreated(view, savedInstanceState);
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if (this.appSettings == null) {
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this.appSettings = ((App) getActivity().getApplication()).getSettings();
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}
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if (this.webView == null) {
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this.webView = (ContextMenuWebView) view.findViewById(R.id.webView);
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getActivity().runOnUiThread(new Runnable() {
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@Override
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public void run() {
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BrowserFragment.this.applyWebViewSettings();
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}
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});
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ProxyHandler.getInstance().addWebView(webView);
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}
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if (this.progressBar == null) {
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this.progressBar = (ProgressBar) view.findViewById(R.id.progressBar);
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}
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if (pendingUrl != null) {
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loadUrl(pendingUrl);
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pendingUrl = null;
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}
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webView.setParentActivity(getActivity());
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this.setRetainInstance(true);
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}
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@Override
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public void onDestroyView() {
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super.onDestroyView();
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if (getRetainInstance() && rootLayout.getParent() instanceof ViewGroup) {
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((ViewGroup) rootLayout.getParent()).removeView(rootLayout);
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}
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}
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private void applyWebViewSettings() {
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this.webSettings = webView.getSettings();
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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.setUserAgentString("Mozilla/5.0 (Linux; U; Android 4.4.4; Nexus 5 Build/KTU84P) AppleWebkit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30");
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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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this.webViewClient = new CustomWebViewClient((App) getActivity().getApplication(), webView);
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webView.setWebViewClient(webViewClient);
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webView.setWebChromeClient(new ProgressBarWebChromeClient(webView, progressBar));
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}
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@Override
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public void onResume() {
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super.onResume();
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if (webView != null) {
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webSettings.setMinimumFontSize(appSettings.getMinimumFontSize());
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webSettings.setLoadsImagesAutomatically(appSettings.isLoadImages());
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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);
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sharingIntent.setType("image/jpeg");
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sharingIntent.putExtra(Intent.EXTRA_SUBJECT, webView.getTitle());
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sharingIntent.putExtra(Intent.EXTRA_TEXT, webView.getUrl());
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Uri bmpUri = Uri.fromFile(new File(fileSaveDirectory, fileSaveName));
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sharingIntent.putExtra(Intent.EXTRA_STREAM, bmpUri);
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startActivity(Intent.createChooser(sharingIntent, getString(R.string.action_share_dotdotdot)));
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} else {
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// Broadcast that this file is indexable
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File file = new File(fileSaveDirectory, fileSaveName);
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Uri uri = Uri.fromFile(file);
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Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri);
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getActivity().sendBroadcast(intent);
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}
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return true;
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}
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@Override
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public String getFragmentTag() {
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return TAG;
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}
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@Override
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public void onCreateBottomOptionsMenu(Menu menu, MenuInflater inflater) {
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/* Nothing to do here */
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}
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@Override
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public void onAttach(Context context) {
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super.onAttach(context);
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if (webView != null && webView.getContext() instanceof MutableContextWrapper) {
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((MutableContextWrapper) webView.getContext()).setBaseContext(context);
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}
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}
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public boolean onBackPressed() {
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if (webView.canGoBack()) {
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getActivity().runOnUiThread(new Runnable() {
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@Override
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public void run() {
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webView.goBack();
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}
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});
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return true;
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}
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return false;
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}
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public void loadUrl(final String url) {
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if (getWebView() != null) {
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AppLog.v(this, "loadUrl(): load " + url);
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getActivity().runOnUiThread(new Runnable() {
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@Override
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public void run() {
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getWebView().loadUrlNew(url);
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}
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});
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} else {
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AppLog.v(this, "loadUrl(): WebView null: Set pending url to " + url);
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pendingUrl = url;
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}
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}
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public String getUrl() {
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if (getWebView() != null) {
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return getWebView().getUrl();
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} else {
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return pendingUrl;
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}
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}
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public void reloadUrl() {
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AppLog.v(this, "reloadUrl()");
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if (getWebView() != null) {
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getActivity().runOnUiThread(new Runnable() {
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@Override
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public void run() {
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getWebView().reload();
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}
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});
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}
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}
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public ContextMenuWebView getWebView() {
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return this.webView;
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}
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@Override
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protected void applyColorToViews() {
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ThemeHelper.updateProgressBarColor(progressBar);
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}
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}
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