251 lines
13 KiB
Java
251 lines
13 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.app.Activity;
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import android.app.AlertDialog;
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import android.app.DownloadManager;
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import android.content.ClipData;
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import android.content.ClipboardManager;
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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.Environment;
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import android.support.v4.content.LocalBroadcastManager;
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import android.util.AttributeSet;
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import android.view.ContextMenu;
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import android.view.MenuItem;
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import android.widget.Toast;
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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.service.ImageDownloadTask;
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import java.io.File;
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/**
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* Subclass of WebView which adds a context menu for long clicks on images or links to share, save
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* or open with another browser
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*/
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@SuppressWarnings("deprecation")
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public class ContextMenuWebView extends NestedWebView {
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public static final int ID_SAVE_IMAGE = 10;
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public static final int ID_IMAGE_EXTERNAL_BROWSER = 11;
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public static final int ID_COPY_IMAGE_LINK = 15;
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public static final int ID_COPY_LINK = 12;
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public static final int ID_SHARE_LINK = 13;
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public static final int ID_SHARE_IMAGE = 14;
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private final Context context;
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private Activity parentActivity;
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private String lastLoadUrl = "";
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public ContextMenuWebView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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this.context = context;
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}
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public ContextMenuWebView(Context context, AttributeSet attrs) {
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super(context, attrs);
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this.context = context;
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}
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@Override
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protected void onCreateContextMenu(ContextMenu menu) {
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super.onCreateContextMenu(menu);
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HitTestResult result = getHitTestResult();
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MenuItem.OnMenuItemClickListener handler = new MenuItem.OnMenuItemClickListener() {
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public boolean onMenuItemClick(MenuItem item) {
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HitTestResult result = getHitTestResult();
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String url = result.getExtra();
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switch (item.getItemId()) {
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//Save image to external memory
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case ID_SAVE_IMAGE: {
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boolean writeToStoragePermitted = true;
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if (android.os.Build.VERSION.SDK_INT >= 23) {
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int hasWRITE_EXTERNAL_STORAGE = parentActivity.checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
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if (hasWRITE_EXTERNAL_STORAGE != PackageManager.PERMISSION_GRANTED) {
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writeToStoragePermitted = false;
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if (!parentActivity.shouldShowRequestPermissionRationale(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
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new AlertDialog.Builder(parentActivity)
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.setMessage(R.string.permissions_image)
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.setPositiveButton(context.getText(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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parentActivity.requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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MainActivity.REQUEST_CODE__ACCESS_EXTERNAL_STORAGE);
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}
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})
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.setNegativeButton(context.getText(android.R.string.no), null)
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.show();
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}
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parentActivity.requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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MainActivity.REQUEST_CODE__ACCESS_EXTERNAL_STORAGE);
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}
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}
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if (writeToStoragePermitted) {
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//Make sure, Diaspora Folder exists
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File destinationFolder = new File(Environment.getExternalStorageDirectory() + "/Pictures/Diaspora");
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if(!destinationFolder.exists()) {
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destinationFolder.mkdirs();
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}
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if (url != null) {
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Uri source = Uri.parse(url);
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DownloadManager.Request request = new DownloadManager.Request(source);
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File destinationFile = new File(Environment.getExternalStorageDirectory() + "/Pictures/Diaspora/"+ System.currentTimeMillis() + ".png");
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request.setDestinationUri(Uri.fromFile(destinationFile));
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((DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE)).enqueue(request);
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Toast.makeText(context, context.getText(R.string.share__toast_saved_image_to_location) + " " +
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destinationFile.getAbsolutePath(), Toast.LENGTH_LONG).show();
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}
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}
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}
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break;
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case ID_SHARE_IMAGE:
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if (url != null) {
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boolean writeToStoragePermitted = true;
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if (android.os.Build.VERSION.SDK_INT >= 23) {
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int hasWRITE_EXTERNAL_STORAGE = parentActivity.checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
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if (hasWRITE_EXTERNAL_STORAGE != PackageManager.PERMISSION_GRANTED) {
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writeToStoragePermitted = false;
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if (!parentActivity.shouldShowRequestPermissionRationale(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
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new AlertDialog.Builder(parentActivity)
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.setMessage(R.string.permissions_image)
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.setPositiveButton(context.getText(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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parentActivity.requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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MainActivity.REQUEST_CODE__ACCESS_EXTERNAL_STORAGE);
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}
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})
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.setNegativeButton(context.getText(android.R.string.no), null)
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.show();
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} else {
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parentActivity.requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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MainActivity.REQUEST_CODE__ACCESS_EXTERNAL_STORAGE);
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}
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}
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}
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if (writeToStoragePermitted) {
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//Make sure, Diaspora Folder exists
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File destinationFolder = new File(Environment.getExternalStorageDirectory() + "/Pictures/Diaspora");
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if(!destinationFolder.exists()) {
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destinationFolder.mkdirs();
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}
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final Uri local = Uri.parse(Environment.getExternalStorageDirectory() + "/Pictures/Diaspora/" + System.currentTimeMillis() + ".png");
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new ImageDownloadTask(null, local.getPath()) {
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@Override
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protected void onPostExecute(Bitmap result) {
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Uri myUri = Uri.fromFile(new File(local.getPath()));
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Intent sharingIntent = new Intent();
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sharingIntent.setAction(Intent.ACTION_SEND);
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sharingIntent.putExtra(Intent.EXTRA_STREAM, myUri);
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sharingIntent.setType("image/png");
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sharingIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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context.startActivity(Intent.createChooser(sharingIntent, getResources().getString(R.string.action_share_dotdotdot)));
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}
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}.execute(url);
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}
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} else {
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Toast.makeText(context, "Cannot share image: url is null", Toast.LENGTH_SHORT).show();
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}
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break;
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case ID_IMAGE_EXTERNAL_BROWSER:
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if (url != null) {
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Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
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context.startActivity(intent);
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}
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break;
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//Copy url to clipboard
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case ID_COPY_IMAGE_LINK:
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case ID_COPY_LINK:
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if (url != null) {
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ClipboardManager clipboard = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
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clipboard.setPrimaryClip(ClipData.newPlainText("text", url));
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Toast.makeText(context, R.string.share__toast_link_address_copied, Toast.LENGTH_SHORT).show();
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}
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break;
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//Try to share link to other apps
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case ID_SHARE_LINK:
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if (url != null) {
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Intent sendIntent = new Intent();
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sendIntent.setAction(Intent.ACTION_SEND);
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sendIntent.putExtra(Intent.EXTRA_TEXT, url);
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sendIntent.setType("text/plain");
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context.startActivity(Intent.createChooser(sendIntent, getResources()
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.getText(R.string.context_menu_share_link)));
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}
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break;
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}
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return true;
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}
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};
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//Build context menu
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if (result.getType() == HitTestResult.IMAGE_TYPE ||
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result.getType() == HitTestResult.SRC_IMAGE_ANCHOR_TYPE) {
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// Menu options for an image.
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menu.setHeaderTitle(result.getExtra());
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menu.add(0, ID_SAVE_IMAGE, 0, context.getString(R.string.context_menu_save_image)).setOnMenuItemClickListener(handler);
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menu.add(0, ID_IMAGE_EXTERNAL_BROWSER, 0, context.getString(R.string.context_menu_open_external_browser)).setOnMenuItemClickListener(handler);
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menu.add(0, ID_SHARE_IMAGE, 0, context.getString(R.string.context_menu_share_image)).setOnMenuItemClickListener(handler);
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menu.add(0, ID_COPY_IMAGE_LINK, 0, context.getString(R.string.context_menu_copy_image_link)).setOnMenuItemClickListener(handler);
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} else if (result.getType() == HitTestResult.ANCHOR_TYPE ||
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result.getType() == HitTestResult.SRC_ANCHOR_TYPE) {
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// Menu options for a hyperlink.
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menu.setHeaderTitle(result.getExtra());
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menu.add(0, ID_COPY_LINK, 0, context.getString(R.string.context_menu_copy_link)).setOnMenuItemClickListener(handler);
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menu.add(0, ID_SHARE_LINK, 0, context.getString(R.string.context_menu_share_link)).setOnMenuItemClickListener(handler);
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}
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}
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public void loadUrlNew(String url) {
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stopLoading();
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loadUrl(url);
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}
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@Override
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public void loadUrl(String url) {
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super.loadUrl(url);
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WebHelper.sendUpdateTitleByUrlIntent(url, getContext());
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}
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public void setParentActivity(Activity activity) {
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this.parentActivity = activity;
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}
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}
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