X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FUrlHistory.java;fp=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FUrlHistory.java;h=0000000000000000000000000000000000000000;hb=61a76e491469916f2f30aebb47b98cda7cceb557;hp=a362b704a4a363d451b10f5935400599375cfcca;hpb=348acd7bd2c9ba9638ff87b34df4e7501214ca27;p=PrivacyBrowserAndroid.git diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/UrlHistory.java b/app/src/main/java/com/stoutner/privacybrowser/dialogs/UrlHistory.java deleted file mode 100644 index a362b704..00000000 --- a/app/src/main/java/com/stoutner/privacybrowser/dialogs/UrlHistory.java +++ /dev/null @@ -1,256 +0,0 @@ -/* - * Copyright 2016-2017 Soren Stoutner . - * - * This file is part of 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 . - */ - -package com.stoutner.privacybrowser.dialogs; - -import android.annotation.SuppressLint; -import android.app.AlertDialog; -import android.app.Dialog; -import android.content.Context; -import android.content.DialogInterface; -import android.graphics.Bitmap; -import android.graphics.BitmapFactory; -import android.graphics.drawable.BitmapDrawable; -import android.graphics.drawable.Drawable; -import android.os.Bundle; -import android.support.annotation.NonNull; -import android.support.v4.content.ContextCompat; -// We have to use `AppCompatDialogFragment` instead of `DialogFragment` or an error is produced on API <= 22. `android.support.v7.app.AlertDialog` also uses more of the horizontal screen real estate versus `android.app.AlertDialog's` smaller width. -import android.support.v7.app.AppCompatDialogFragment; -import android.util.Base64; -import android.view.LayoutInflater; -import android.view.View; -import android.webkit.WebBackForwardList; -import android.widget.AdapterView; -import android.widget.ListView; - -import com.stoutner.privacybrowser.R; -import com.stoutner.privacybrowser.adapters.HistoryArrayAdapter; -import com.stoutner.privacybrowser.definitions.History; - -import java.io.ByteArrayOutputStream; -import java.util.ArrayList; - -public class UrlHistory extends AppCompatDialogFragment{ - - // `historyArrayList` and `currentPageId` pass information from `onCreate()` to `onCreateDialog()`. - private ArrayList historyArrayList = new ArrayList<>(); - private int currentPageId; - - public static UrlHistory loadBackForwardList(Context context, WebBackForwardList webBackForwardList) { - // Create `argumentsBundle`. - Bundle argumentsBundle = new Bundle(); - - // Store `currentPageIndex`. - int currentPageIndex = webBackForwardList.getCurrentIndex(); - - // Setup `urlArrayList` and `iconArrayList`. - ArrayList urlArrayList = new ArrayList<>(); - ArrayList iconBase64StringArrayList = new ArrayList<>(); - - // Get the default favorite icon `Drawable`. - Drawable defaultFavoriteIconDrawable = ContextCompat.getDrawable(context, R.drawable.world); - - // Convert `defaultFavoriteIconDrawable` to a `BitmapDrawable`. - BitmapDrawable defaultFavoriteIconBitmapDrawable = (BitmapDrawable) defaultFavoriteIconDrawable; - - // Extract a `Bitmap` from `defaultFavoriteIconBitmapDrawable`. - Bitmap defaultFavoriteIcon = defaultFavoriteIconBitmapDrawable.getBitmap(); - - // Populate `urlArrayList` and `iconArrayList` from `webBackForwardList`. - for (int i=0; i < webBackForwardList.getSize(); i++) { - // Store the URL. - urlArrayList.add(webBackForwardList.getItemAtIndex(i).getUrl()); - - // Create a variable to store the icon `Bitmap`. - Bitmap iconBitmap; - - // Store the icon `Bitmap`. - if (webBackForwardList.getItemAtIndex(i).getFavicon() == null) { - // If `webBackForwardList` does not have a favorite icon, use Privacy Browser's default world icon. - iconBitmap = defaultFavoriteIcon; - } else { // Get the icon from `webBackForwardList`. - iconBitmap = webBackForwardList.getItemAtIndex(i).getFavicon(); - } - - // Create a `ByteArrayOutputStream`. - ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); - - // Convert the favorite icon `Bitmap` to a `ByteArrayOutputStream`. `100` is the compression quality, which is ignored by `PNG`. - iconBitmap.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream); - - // Convert the favorite icon `ByteArrayOutputStream` to a `byte[]`. - byte[] byteArray = byteArrayOutputStream.toByteArray(); - - // Encode the favorite icon `byte[]` as a Base64 `String`. - String iconBase64String = Base64.encodeToString(byteArray, Base64.DEFAULT); - - // Store the favorite icon Base64 `String` in `iconBase64StringArrayList`. - iconBase64StringArrayList.add(iconBase64String); - } - - // Store the variables in the `Bundle`. - argumentsBundle.putInt("Current_Page", currentPageIndex); - argumentsBundle.putStringArrayList("URL_History", urlArrayList); - argumentsBundle.putStringArrayList("Favorite_Icons", iconBase64StringArrayList); - - // Add `argumentsBundle` to this instance of `UrlHistory`. - UrlHistory thisUrlHistoryDialog = new UrlHistory(); - thisUrlHistoryDialog.setArguments(argumentsBundle); - return thisUrlHistoryDialog; - } - - @Override - public void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - - // Get the `ArrayLists` from the `Arguments`. - ArrayList urlStringArrayList = getArguments().getStringArrayList("URL_History"); - ArrayList favoriteIconBase64StringArrayList = getArguments().getStringArrayList("Favorite_Icons"); - - // Remove the lint warning below that the `ArrayLists` might be `null`. - assert urlStringArrayList != null; - assert favoriteIconBase64StringArrayList != null; - - // Populate `historyArrayList`. We go down from `urlStringArrayList.size()` so that the newest entries are at the top. `-1` is needed because `historyArrayList` is zero-based. - for (int i=urlStringArrayList.size() -1; i >= 0; i--) { - // Decode the favorite icon Base64 `String` to a `byte[]`. - byte[] favoriteIconByteArray = Base64.decode(favoriteIconBase64StringArrayList.get(i), Base64.DEFAULT); - - // Convert the favorite icon `byte[]` to a `Bitmap`. `0` is the starting offset. - Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length); - - // Store the favorite icon and the URL in `historyEntry`. - History historyEntry = new History(favoriteIconBitmap, urlStringArrayList.get(i)); - - // Add this history entry to `historyArrayList`. - historyArrayList.add(historyEntry); - } - - // Get the original current page ID. - int originalCurrentPageId = getArguments().getInt("Current_Page"); - - // Subtract `originalCurrentPageId` from the array size because we reversed the order of the array so that the newest entries are at the top. `-1` is needed because the array is zero-based. - currentPageId = urlStringArrayList.size() - 1 - originalCurrentPageId; - } - - // The public interface is used to send information back to the parent activity. - public interface UrlHistoryListener { - // Send back the number of steps to move forward or back. - void onUrlHistoryEntrySelected(int moveBackOrForwardSteps); - - // Clear the history. - void onClearHistory(); - } - - // `urlHistoryListener` is used in `onAttach()` and `onCreateDialog()`. - private UrlHistoryListener urlHistoryListener; - - @Override - public void onAttach(Context context) { - super.onAttach(context); - - // Check to make sure tha the parent activity implements the listener. - try { - urlHistoryListener = (UrlHistoryListener) context; - } catch (ClassCastException exception) { - throw new ClassCastException(context.toString() + " must implement UrlHistoryListener."); - } - } - - @Override - @NonNull - // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`. - @SuppressLint("InflateParams") - 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); - - // Set the title. - dialogBuilder.setTitle(R.string.history); - - // Set the view. The parent view is `null` because it will be assigned by `AlertDialog`. - dialogBuilder.setView(layoutInflater.inflate(R.layout.url_history_dialog, null)); - - // Set an `onClick()` listener on the negative button. - dialogBuilder.setNegativeButton(R.string.clear_history, new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - // Clear the history. - urlHistoryListener.onClearHistory(); - } - }); - - // Set an `onClick()` listener on the positive button. - dialogBuilder.setPositiveButton(R.string.close, new DialogInterface.OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - // Do nothing if `Close` is clicked. The `Dialog` will automatically close. - } - }); - - // Create an `AlertDialog` from the `AlertDialog.Builder`. - final AlertDialog alertDialog = dialogBuilder.create(); - - // We need to show `alertDialog` before we can modify the contents. - alertDialog.show(); - - // Instantiate a `HistoryArrayAdapter`. - final HistoryArrayAdapter historyArrayAdapter = new HistoryArrayAdapter(getContext(), historyArrayList, currentPageId); - - // Get a handle for `listView`. - ListView listView = (ListView) alertDialog.findViewById(R.id.history_listview); - - // Remove the warning below that `listView` might be `null`. - assert listView != null; - - // Set the adapter on `listView`. - listView.setAdapter(historyArrayAdapter); - - // Listen for clicks on entries in `listView`. - listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { - @Override - public void onItemClick(AdapterView parent, View view, int position, long id) { - // Convert the `long` `id` to an `int`. - int itemId = (int) id; - - // Only enable the click if it is not on the `currentPageId`. - if (itemId != currentPageId) { - // Get the history entry for this `itemId`. - History historyEntry = historyArrayAdapter.getItem(itemId); - - // Remove the lint warning below that `historyEntry` might be `null`. - assert historyEntry != null; - - // Send the history entry URL to be loaded in `mainWebView`. - urlHistoryListener.onUrlHistoryEntrySelected(currentPageId - itemId); - - // Dismiss the `Dialog`. - alertDialog.dismiss(); - } - } - }); - - // `onCreateDialog` requires the return of an `AlertDialog`. - return alertDialog; - } -} \ No newline at end of file