--- /dev/null
+/**
+ * Copyright 2016 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Privacy Browser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser;
+
+import android.annotation.SuppressLint;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatDialogFragment;
+import android.view.KeyEvent;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.EditText;
+
+// `android.support.v7.app.AlertDialog` uses more of the horizontal screen real estate versus `android.app.AlertDialog's` smaller width.
+// We have to use `AppCompatDialogFragment` instead of `DialogFragment` or an error is produced on API <=22.
+public class DownloadImage extends AppCompatDialogFragment {
+
+ private String imageUrl;
+ private String imageFileName;
+
+ public static DownloadImage imageUrl(String imageUrlString) {
+ // Create `argumentsBundle`.
+ Bundle argumentsBundle = new Bundle();
+
+ String imageNameString;
+
+ Uri imageUri = Uri.parse(imageUrlString);
+ imageNameString = imageUri.getLastPathSegment();
+
+ // Store the variables in the `Bundle`.
+ argumentsBundle.putString("URL", imageUrlString);
+ argumentsBundle.putString("Image_Name", imageNameString);
+
+ // Add `argumentsBundle` to this instance of `DownloadFile`.
+ DownloadImage thisDownloadFileDialog = new DownloadImage();
+ thisDownloadFileDialog.setArguments(argumentsBundle);
+ return thisDownloadFileDialog;
+ }
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ // Store the strings in the local class variables.
+ imageUrl = getArguments().getString("URL");
+ imageFileName = getArguments().getString("Image_Name");
+ }
+
+ // The public interface is used to send information back to the parent activity.
+ public interface DownloadImageListener {
+ void onDownloadImage(AppCompatDialogFragment dialogFragment, String downloadUrl);
+ }
+
+ // `downloadImageListener` is used in `onAttach()` and `onCreateDialog()`.
+ private DownloadImageListener downloadImageListener;
+
+ // Check to make sure tha the parent activity implements the listener.
+ @Override
+ public void onAttach(Context context) {
+ super.onAttach(context);
+ try {
+ downloadImageListener = (DownloadImageListener) context;
+ } catch (ClassCastException exception) {
+ throw new ClassCastException(context.toString() + " must implement DownloadImageListener.");
+ }
+ }
+
+ // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
+ @SuppressLint("InflateParams")
+ @Override
+ @NonNull
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
+ // Get the activity's layout inflater.
+ LayoutInflater layoutInflater = getActivity().getLayoutInflater();
+
+ // Use `AlertDialog.Builder` to create the `AlertDialog`. `R.style.lightAlertDialog` formats the color of the button text.
+ AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog);
+ dialogBuilder.setTitle(R.string.save_image_as);
+ // The parent view is `null` because it will be assigned by `AlertDialog`.
+ dialogBuilder.setView(layoutInflater.inflate(R.layout.download_image_dialog, null));
+
+ // Set an `onClick()` listener on the negative button.
+ dialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ // Do nothing if `Cancel` is clicked.
+ }
+ });
+
+ // Set an `onClick()` listener on the positive button
+ dialogBuilder.setPositiveButton(R.string.download, new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ // trigger `onDownloadFile()` and return the `DialogFragment` and the download URL to the parent activity.
+ downloadImageListener.onDownloadImage(DownloadImage.this, imageUrl);
+ }
+ });
+
+
+ // Create an `AlertDialog` from the `AlertDialog.Builder`.
+ final AlertDialog alertDialog = dialogBuilder.create();
+
+ // Remove the warning below that `setSoftInputMode` might produce `java.lang.NullPointerException`.
+ assert alertDialog.getWindow() != null;
+
+ // Show the keyboard when `alertDialog` is displayed on the screen.
+ alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
+
+ // We need to show `alertDialog` before we can modify the contents.
+ alertDialog.show();
+
+ // Set the text for `downloadImageNameTextView`.
+ EditText downloadImageNameTextView = (EditText) alertDialog.findViewById(R.id.download_image_name);
+ assert downloadImageNameTextView != null; // Remove the warning on the following line that `downloadImageNameTextView` might be `null`.
+ downloadImageNameTextView.setText(imageFileName);
+
+ // Allow the `enter` key on the keyboard to save the file from `downloadImageNameTextView`.
+ downloadImageNameTextView.setOnKeyListener(new View.OnKeyListener() {
+ @Override
+ public boolean onKey (View v, int keyCode, KeyEvent event) {
+ // If the event is an `ACTION_DOWN` on the `enter` key, initiate the download.
+ if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
+ // trigger `onDownloadImage()` and return the `DialogFragment` and the URL to the parent activity.
+ downloadImageListener.onDownloadImage(DownloadImage.this, imageUrl);
+ // Manually dismiss `alertDialog`.
+ alertDialog.dismiss();
+ // Consume the event.
+ return true;
+ } else { // If any other key was pressed, do not consume the event.
+ return false;
+ }
+ }
+ });
+
+
+ // `onCreateDialog` requires the return of an `AlertDialog`.
+ return alertDialog;
+ }
+}
\ No newline at end of file
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Patterns;
+import android.view.ContextMenu;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
// We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21.
public class MainWebViewActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener,
- SslCertificateError.SslCertificateErrorListener, DownloadFile.DownloadFileListener {
+ SslCertificateError.SslCertificateErrorListener, DownloadFile.DownloadFileListener, DownloadImage.DownloadImageListener {
// `appBar` is public static so it can be accessed from `OrbotProxyHelper`.
// It is also used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
public static SslCertificate sslCertificate;
- // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage`, and `loadUrlFromTextBox()`.
+ // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, and `loadUrlFromTextBox()`.
private WebView mainWebView;
// `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
// `cookieManager` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`, and `onRestart()`.
private CookieManager cookieManager;
- // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, and `loadUrlFromTextBox()`.
+ // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateContextMenu()`, and `loadUrlFromTextBox()`.
private final Map<String, String> customHeaders = new HashMap<>();
// `javaScriptEnabled` is also used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `applySettings()`.
}
});
+ // Register `mainWebView` for a context menu. This is used to see link targets and download images.
+ registerForContextMenu(mainWebView);
+
// Allow the downloading of files.
mainWebView.setDownloadListener(new DownloadListener() {
@Override
// ActivityCompat.invalidateOptionsMenu(this);
}
+ @Override
+ public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
+ // Store the `HitTestResult`.
+ final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
+
+ // Create strings.
+ final String imageUrl;
+ final String linkUrl;
+
+ switch (hitTestResult.getType()) {
+ // `SRC_ANCHOR_TYPE` is a link.
+ case WebView.HitTestResult.SRC_ANCHOR_TYPE:
+ // Get the target URL.
+ linkUrl = hitTestResult.getExtra();
+
+ // Set the target URL as the title of the `ContextMenu`.
+ menu.setHeaderTitle(linkUrl);
+
+ // Add a `Load URL` button.
+ menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
+ @Override
+ public boolean onMenuItemClick(MenuItem item) {
+ mainWebView.loadUrl(linkUrl, customHeaders);
+ return false;
+ }
+ });
+
+ // Add a `Cancel` button, which by default closes the `ContextMenu`.
+ menu.add(R.string.cancel);
+ break;
+
+ case WebView.HitTestResult.EMAIL_TYPE:
+ // Get the target URL.
+ linkUrl = hitTestResult.getExtra();
+
+ // Set the target URL as the title of the `ContextMenu`.
+ menu.setHeaderTitle(linkUrl);
+
+ // Add a `Write Email` button.
+ menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
+ @Override
+ public boolean onMenuItemClick(MenuItem item) {
+ // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
+ Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
+
+ // Parse the url and set it as the data for the `Intent`.
+ emailIntent.setData(Uri.parse("mailto:" + linkUrl));
+
+ // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
+ emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ // Make it so.
+ startActivity(emailIntent);
+ return false;
+ }
+ });
+
+ // Add a `Cancel` button, which by default closes the `ContextMenu`.
+ menu.add(R.string.cancel);
+ break;
+
+ // `IMAGE_TYPE` is an image.
+ case WebView.HitTestResult.IMAGE_TYPE:
+ // Get the image URL.
+ imageUrl = hitTestResult.getExtra();
+
+ // Set the image URL as the title of the `ContextMenu`.
+ menu.setHeaderTitle(imageUrl);
+
+ // Add a `View Image` button.
+ menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
+ @Override
+ public boolean onMenuItemClick(MenuItem item) {
+ mainWebView.loadUrl(imageUrl, customHeaders);
+ return false;
+ }
+ });
+
+ // Add a `Download Image` button.
+ menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
+ @Override
+ public boolean onMenuItemClick(MenuItem item) {
+ // Show the `DownloadImage` `AlertDialog` and name this instance `@string/download`.
+ AppCompatDialogFragment downloadImageDialogFragment = DownloadImage.imageUrl(imageUrl);
+ downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
+ return false;
+ }
+ });
+
+ // Add a `Cancel` button, which by default closes the `ContextMenu`.
+ menu.add(R.string.cancel);
+ break;
+
+
+ // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
+ case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
+ // Get the image URL.
+ imageUrl = hitTestResult.getExtra();
+
+ // Set the image URL as the title of the `ContextMenu`.
+ menu.setHeaderTitle(imageUrl);
+
+ // Add a `View Image` button.
+ menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
+ @Override
+ public boolean onMenuItemClick(MenuItem item) {
+ mainWebView.loadUrl(imageUrl, customHeaders);
+ return false;
+ }
+ });
+
+ // Add a `Download Image` button.
+ menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
+ @Override
+ public boolean onMenuItemClick(MenuItem item) {
+ // Show the `DownloadImage` `AlertDialog` and name this instance `@string/download`.
+ AppCompatDialogFragment downloadImageDialogFragment = DownloadImage.imageUrl(imageUrl);
+ downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
+ return false;
+ }
+ });
+
+ // Add a `Cancel` button, which by default closes the `ContextMenu`.
+ menu.add(R.string.cancel);
+ break;
+ }
+ }
+
@Override
public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
// Get shortcutNameEditText from the alert dialog.
sendBroadcast(placeBookmarkShortcut);
}
+ @Override
+ public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
+ // Get a handle for the system `DOWNLOAD_SERVICE`.
+ DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
+
+ // Parse `imageUrl`.
+ DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
+
+ // Get the file name from `dialogFragment`.
+ EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
+ String imageName = downloadImageNameEditText.getText().toString();
+
+ // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
+ if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
+ downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
+ } else { // Only set the title using `imageName`.
+ downloadRequest.setTitle(imageName);
+ }
+
+ // Allow `MediaScanner` to index the download if it is a media file.
+ downloadRequest.allowScanningByMediaScanner();
+
+ // Add the URL as the description for the download.
+ downloadRequest.setDescription(imageUrl);
+
+ // Show the download notification after the download is completed.
+ downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
+
+ // Initiate the download.
+ downloadManager.enqueue(downloadRequest);
+ }
+
@Override
public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
+ // Get a handle for the system `DOWNLOAD_SERVICE`.
DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
+
+ // Parse `downloadUrl`.
DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
// Get the file name from `dialogFragment`.
// Show the download notification after the download is completed.
downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
- // Initiate the download and display a Snackbar.
+ // Initiate the download.
downloadManager.enqueue(downloadRequest);
}
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+ Copyright 2016 Soren Stoutner <soren@stoutner.com>.
+
+ This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+
+ Privacy Browser is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Privacy Browser is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>. -->
+
+<LinearLayout
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:layout_height="wrap_content"
+ android:layout_width="match_parent"
+ android:padding="6dp">
+
+
+ <!-- `android.support.design.widget.TextInputLayout` makes the `android:hint` float above the `EditText`. -->
+ <android.support.design.widget.TextInputLayout
+ android:layout_height="wrap_content"
+ android:layout_width="match_parent" >
+
+ <!-- `android:imeOptions="actionsGo"` sets the keyboard to have a `go` key instead of a `new line` key.
+ `android:inputType="textUri"` disables spell check in the `EditText`. -->
+ <android.support.design.widget.TextInputEditText
+ android:id="@+id/download_image_name"
+ android:layout_height="wrap_content"
+ android:layout_width="match_parent"
+ android:hint="@string/image_name"
+ android:imeOptions="actionGo"
+ android:inputType="textUri" />
+ </android.support.design.widget.TextInputLayout>
+</LinearLayout>
\ No newline at end of file
<!-- Save As. -->
<string name="save_as">Save as</string>
+ <string name="save_image_as">Save image as</string>
<string name="file_name">File name</string>
+ <string name="image_name">Image name</string>
<string name="unknown_size">unknown size</string>
<string name="download">Download</string>
<string name="privacy_browser_web_page">Privacy Browser Web Page</string>
<string name="refresh">Refresh</string>
+ <!-- Context Menus. -->
+ <string name="load_url">Load URL</string>
+ <string name="write_email">Write Email</string>
+ <string name="view_image">View Image</string>
+ <string name="download_image">Download Image</string>
+
<!-- Find on Page. -->
<string name="zero_of_zero" translatable="false">0/0</string>
<string name="previous">Previous</string>