chinwag/chinwag-android
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Reorganizes the whole codebase.

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This commit is contained in:
Vavassor 2017-05-04 18:55:34 -04:00
commit aa2394748c
70 changed files with 1012 additions and 138 deletions
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29
app/src/main/java/com/keylesspalace/tusky/util/Assert.java Normal file
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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import com.keylesspalace.tusky.BuildConfig;
/** Android Studio complains about built-in assertions so this is an alternative. */
public class Assert {
private static boolean ENABLED = BuildConfig.DEBUG;
public static void expect(boolean expression) {
if (ENABLED && !expression) {
throw new AssertionError();
}
}
}

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app/src/main/java/com/keylesspalace/tusky/util/ConversationLineItemDecoration.java Normal file
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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import com.keylesspalace.tusky.R;
public class ConversationLineItemDecoration extends RecyclerView.ItemDecoration {
private final Context mContext;
private final Drawable mDivider;
public ConversationLineItemDecoration(Context context, Drawable divider) {
mContext = context;
mDivider = divider;
}
@Override
public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
int dividerLeft = parent.getPaddingLeft() + mContext.getResources().getDimensionPixelSize(R.dimen.status_left_line_margin);
int dividerRight = dividerLeft + mDivider.getIntrinsicWidth();
int childCount = parent.getChildCount();
int avatarMargin = mContext.getResources().getDimensionPixelSize(R.dimen.account_avatar_margin);
for (int i = 0; i < childCount; i++) {
View child = parent.getChildAt(i);
int dividerTop = child.getTop() + (i == 0 ? avatarMargin : 0);
int dividerBottom = (i == childCount - 1 ? child.getTop() + avatarMargin : child.getBottom());
mDivider.setBounds(dividerLeft, dividerTop, dividerRight, dividerBottom);
mDivider.draw(c);
}
}
}

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app/src/main/java/com/keylesspalace/tusky/util/CountUpDownLatch.java Normal file
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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
public class CountUpDownLatch {
private int count;
public CountUpDownLatch() {
this.count = 0;
}
public synchronized void countDown() {
count--;
notifyAll();
}
public synchronized void countUp() {
count++;
notifyAll();
}
public synchronized void await() throws InterruptedException {
while (count != 0) {
wait();
}
}
}

62
app/src/main/java/com/keylesspalace/tusky/util/CustomTabURLSpan.java Normal file
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package com.keylesspalace.tusky.util;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.net.Uri;
import android.os.Parcel;
import android.os.Parcelable;
import android.preference.PreferenceManager;
import android.support.customtabs.CustomTabsIntent;
import android.support.v4.content.ContextCompat;
import android.text.style.URLSpan;
import android.view.View;
import com.keylesspalace.tusky.R;
class CustomTabURLSpan extends URLSpan {
CustomTabURLSpan(String url) {
super(url);
}
private CustomTabURLSpan(Parcel src) {
super(src);
}
public static final Parcelable.Creator<CustomTabURLSpan> CREATOR = new Parcelable.Creator<CustomTabURLSpan>() {
@Override
public CustomTabURLSpan createFromParcel(Parcel source) {
return new CustomTabURLSpan(source);
}
@Override
public CustomTabURLSpan[] newArray(int size) {
return new CustomTabURLSpan[size];
}
};
@Override
public void onClick(View widget) {
Uri uri = Uri.parse(getURL());
Context context = widget.getContext();
boolean lightTheme = PreferenceManager.getDefaultSharedPreferences(context).getBoolean("lightTheme", false);
int toolbarColor = ContextCompat.getColor(context, lightTheme ? R.color.custom_tab_toolbar_light : R.color.custom_tab_toolbar_dark);
CustomTabsIntent.Builder builder = new CustomTabsIntent.Builder();
builder.setToolbarColor(toolbarColor);
CustomTabsIntent customTabsIntent = builder.build();
try {
String packageName = CustomTabsHelper.getPackageNameToUse(context);
//If we cant find a package name, it means theres no browser that supports
//Chrome Custom Tabs installed. So, we fallback to the webview
if (packageName == null) {
super.onClick(widget);
} else {
customTabsIntent.intent.setPackage(packageName);
customTabsIntent.launchUrl(context, uri);
}
} catch (ActivityNotFoundException e) {
Log.w("URLSpan", "Activity was not found for intent, " + customTabsIntent.toString());
}
}
}

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app/src/main/java/com/keylesspalace/tusky/util/CustomTabsHelper.java Normal file
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package com.keylesspalace.tusky.util;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.text.TextUtils;
import android.util.Log;
import java.util.ArrayList;
import java.util.List;
/**
* stolen from https://github.com/GoogleChrome/custom-tabs-client/blob/master/shared/src/main/java/org/chromium/customtabsclient/shared/CustomTabsHelper.java
*/
public class CustomTabsHelper {
private static final String TAG = "CustomTabsHelper";
static final String STABLE_PACKAGE = "com.android.chrome";
static final String BETA_PACKAGE = "com.chrome.beta";
static final String DEV_PACKAGE = "com.chrome.dev";
static final String LOCAL_PACKAGE = "com.google.android.apps.chrome";
private static final String EXTRA_CUSTOM_TABS_KEEP_ALIVE =
"android.support.customtabs.extra.KEEP_ALIVE";
private static final String ACTION_CUSTOM_TABS_CONNECTION =
"android.support.customtabs.action.CustomTabsService";
private static String sPackageNameToUse;
private CustomTabsHelper() {}
/**
* Goes through all apps that handle VIEW intents and have a warmup service. Picks
* the one chosen by the user if there is one, otherwise makes a best effort to return a
* valid package name.
*
* This is <strong>not</strong> threadsafe.
*
* @param context {@link Context} to use for accessing {@link PackageManager}.
* @return The package name recommended to use for connecting to custom tabs related components.
*/
public static String getPackageNameToUse(Context context) {
if (sPackageNameToUse != null) return sPackageNameToUse;
PackageManager pm = context.getPackageManager();
// Get default VIEW intent handler.
Intent activityIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.example.com"));
ResolveInfo defaultViewHandlerInfo = pm.resolveActivity(activityIntent, 0);
String defaultViewHandlerPackageName = null;
if (defaultViewHandlerInfo != null) {
defaultViewHandlerPackageName = defaultViewHandlerInfo.activityInfo.packageName;
}
// Get all apps that can handle VIEW intents.
List<ResolveInfo> resolvedActivityList = pm.queryIntentActivities(activityIntent, 0);
List<String> packagesSupportingCustomTabs = new ArrayList<>();
for (ResolveInfo info : resolvedActivityList) {
Intent serviceIntent = new Intent();
serviceIntent.setAction(ACTION_CUSTOM_TABS_CONNECTION);
serviceIntent.setPackage(info.activityInfo.packageName);
if (pm.resolveService(serviceIntent, 0) != null) {
packagesSupportingCustomTabs.add(info.activityInfo.packageName);
}
}
// Now packagesSupportingCustomTabs contains all apps that can handle both VIEW intents
// and service calls.
if (packagesSupportingCustomTabs.isEmpty()) {
sPackageNameToUse = null;
} else if (packagesSupportingCustomTabs.size() == 1) {
sPackageNameToUse = packagesSupportingCustomTabs.get(0);
} else if (!TextUtils.isEmpty(defaultViewHandlerPackageName)
&& !hasSpecializedHandlerIntents(context, activityIntent)
&& packagesSupportingCustomTabs.contains(defaultViewHandlerPackageName)) {
sPackageNameToUse = defaultViewHandlerPackageName;
} else if (packagesSupportingCustomTabs.contains(STABLE_PACKAGE)) {
sPackageNameToUse = STABLE_PACKAGE;
} else if (packagesSupportingCustomTabs.contains(BETA_PACKAGE)) {
sPackageNameToUse = BETA_PACKAGE;
} else if (packagesSupportingCustomTabs.contains(DEV_PACKAGE)) {
sPackageNameToUse = DEV_PACKAGE;
} else if (packagesSupportingCustomTabs.contains(LOCAL_PACKAGE)) {
sPackageNameToUse = LOCAL_PACKAGE;
}
return sPackageNameToUse;
}
/**
* Used to check whether there is a specialized handler for a given intent.
* @param intent The intent to check with.
* @return Whether there is a specialized handler for the given intent.
*/
private static boolean hasSpecializedHandlerIntents(Context context, Intent intent) {
try {
PackageManager pm = context.getPackageManager();
List<ResolveInfo> handlers = pm.queryIntentActivities(
intent,
PackageManager.GET_RESOLVED_FILTER);
if (handlers == null || handlers.size() == 0) {
return false;
}
for (ResolveInfo resolveInfo : handlers) {
IntentFilter filter = resolveInfo.filter;
if (filter == null) continue;
if (filter.countDataAuthorities() == 0 || filter.countDataPaths() == 0) continue;
if (resolveInfo.activityInfo == null) continue;
return true;
}
} catch (RuntimeException e) {
Log.e(TAG, "Runtime exception while getting specialized handlers");
}
return false;
}
/**
* @return All possible chrome package names that provide custom tabs feature.
*/
public static String[] getPackages() {
return new String[]{"", STABLE_PACKAGE, BETA_PACKAGE, DEV_PACKAGE, LOCAL_PACKAGE};
}
}

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app/src/main/java/com/keylesspalace/tusky/util/DateUtils.java Normal file
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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
public class DateUtils {
/* This is a rough duplicate of android.text.format.DateUtils.getRelativeTimeSpanString,
* but even with the FORMAT_ABBREV_RELATIVE flag it wasn't abbreviating enough. */
public static String getRelativeTimeSpanString(long then, long now) {
final long MINUTE = 60;
final long HOUR = 60 * MINUTE;
final long DAY = 24 * HOUR;
final long YEAR = 365 * DAY;
long span = (now - then) / 1000;
String prefix = "";
if (span < 0) {
prefix = "in ";
span = -span;
}
String unit;
if (span < MINUTE) {
unit = "s";
} else if (span < HOUR) {
span /= MINUTE;
unit = "m";
} else if (span < DAY) {
span /= HOUR;
unit = "h";
} else if (span < YEAR) {
span /= DAY;
unit = "d";
} else {
span /= YEAR;
unit = "y";
}
return prefix + span + unit;
}
}

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app/src/main/java/com/keylesspalace/tusky/util/DownsizeImageTask.java Normal file
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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.content.ContentResolver;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.net.Uri;
import android.os.AsyncTask;
import android.support.annotation.Nullable;
import android.support.media.ExifInterface;
import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
public class DownsizeImageTask extends AsyncTask<Uri, Void, Boolean> {
private int sizeLimit;
private ContentResolver contentResolver;
private Listener listener;
private List<byte[]> resultList;
public DownsizeImageTask(int sizeLimit, ContentResolver contentResolver, Listener listener) {
this.sizeLimit = sizeLimit;
this.contentResolver = contentResolver;
this.listener = listener;
}
@Nullable
private static Bitmap reorientBitmap(Bitmap bitmap, int orientation) {
Matrix matrix = new Matrix();
switch (orientation) {
default:
case ExifInterface.ORIENTATION_NORMAL: {
return bitmap;
}
case ExifInterface.ORIENTATION_FLIP_HORIZONTAL: {
matrix.setScale(-1, 1);
break;
}
case ExifInterface.ORIENTATION_ROTATE_180: {
matrix.setRotate(180);
break;
}
case ExifInterface.ORIENTATION_FLIP_VERTICAL: {
matrix.setRotate(180);
matrix.postScale(-1, 1);
break;
}
case ExifInterface.ORIENTATION_TRANSPOSE: {
matrix.setRotate(90);
matrix.postScale(-1, 1);
break;
}
case ExifInterface.ORIENTATION_ROTATE_90: {
matrix.setRotate(90);
break;
}
case ExifInterface.ORIENTATION_TRANSVERSE: {
matrix.setRotate(-90);
matrix.postScale(-1, 1);
break;
}
case ExifInterface.ORIENTATION_ROTATE_270: {
matrix.setRotate(-90);
break;
}
}
try {
Bitmap result = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(),
bitmap.getHeight(), matrix, true);
if (!bitmap.sameAs(result)) {
bitmap.recycle();
}
return result;
} catch (OutOfMemoryError e) {
return null;
}
}
private static int getOrientation(Uri uri, ContentResolver contentResolver) {
InputStream inputStream;
try {
inputStream = contentResolver.openInputStream(uri);
} catch (FileNotFoundException e) {
return ExifInterface.ORIENTATION_UNDEFINED;
}
if (inputStream == null) {
return ExifInterface.ORIENTATION_UNDEFINED;
}
ExifInterface exifInterface;
try {
exifInterface = new ExifInterface(inputStream);
} catch (IOException e) {
IOUtils.closeQuietly(inputStream);
return ExifInterface.ORIENTATION_UNDEFINED;
}
int orientation = exifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION,
ExifInterface.ORIENTATION_NORMAL);
IOUtils.closeQuietly(inputStream);
return orientation;
}
private static int calculateInSampleSize(int width, int height, int requiredScale) {
int inSampleSize = 1;
if (height > requiredScale || width > requiredScale) {
final int halfHeight = height / 2;
final int halfWidth = width / 2;
/* Calculate the largest inSampleSize value that is a power of 2 and keeps both height
* and width larger than the requested height and width. */
while (halfHeight / inSampleSize >= requiredScale
&& halfWidth / inSampleSize >= requiredScale) {
inSampleSize *= 2;
}
}
return inSampleSize;
}
@Override
protected Boolean doInBackground(Uri... uris) {
resultList = new ArrayList<>();
for (Uri uri : uris) {
InputStream inputStream;
try {
inputStream = contentResolver.openInputStream(uri);
} catch (FileNotFoundException e) {
return false;
}
// Initially, just get the image dimensions.
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeStream(inputStream, null, options);
int beforeWidth = options.outWidth;
int beforeHeight = options.outHeight;
IOUtils.closeQuietly(inputStream);
// Get EXIF data, for orientation info.
int orientation = getOrientation(uri, contentResolver);
// Then use that information to determine how much to compress.
ByteArrayOutputStream stream = new ByteArrayOutputStream();
/* Unfortunately, there isn't a determined worst case compression ratio for image
* formats. So, the only way to tell if they're too big is to compress them and
* test, and keep trying at smaller sizes. The initial estimate should be good for
* many cases, so it should only iterate once, but the loop is used to be absolutely
* sure it gets downsized to below the limit. */
int iterations = 0;
int scaledImageSize = 1024;
do {
stream.reset();
try {
inputStream = contentResolver.openInputStream(uri);
} catch (FileNotFoundException e) {
return false;
}
options.inSampleSize = calculateInSampleSize(beforeWidth, beforeHeight,
scaledImageSize);
options.inJustDecodeBounds = false;
Bitmap scaledBitmap;
try {
scaledBitmap = BitmapFactory.decodeStream(inputStream, null, options);
} catch (OutOfMemoryError error) {
return false;
} finally {
IOUtils.closeQuietly(inputStream);
}
if (scaledBitmap == null) {
return false;
}
Bitmap reorientedBitmap = reorientBitmap(scaledBitmap, orientation);
if (reorientedBitmap == null) {
scaledBitmap.recycle();
return false;
}
Bitmap.CompressFormat format;
/* It's not likely the user will give transparent images over the upload limit, but
* if they do, make sure the transparency is retained. */
if (!reorientedBitmap.hasAlpha()) {
format = Bitmap.CompressFormat.JPEG;
} else {
format = Bitmap.CompressFormat.PNG;
}
reorientedBitmap.compress(format, 75, stream);
reorientedBitmap.recycle();
scaledImageSize /= 2;
iterations++;
} while (stream.size() > sizeLimit);
Assert.expect(iterations < 3);
resultList.add(stream.toByteArray());
if (isCancelled()) {
return false;
}
}
return true;
}
@Override
protected void onPostExecute(Boolean successful) {
if (successful) {
listener.onSuccess(resultList);
} else {
listener.onFailure();
}
super.onPostExecute(successful);
}
public interface Listener {
void onSuccess(List<byte[]> contentList);
void onFailure();
}
}

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app/src/main/java/com/keylesspalace/tusky/util/EditTextTyped.java Normal file
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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.content.Context;
import android.support.v13.view.inputmethod.EditorInfoCompat;
import android.support.v13.view.inputmethod.InputConnectionCompat;
import android.support.v7.widget.AppCompatEditText;
import android.util.AttributeSet;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputConnection;
public class EditTextTyped extends AppCompatEditText {
InputConnectionCompat.OnCommitContentListener onCommitContentListener;
String[] mimeTypes;
public EditTextTyped(Context context) {
super(context);
}
public EditTextTyped(Context context, AttributeSet attributeSet) {
super(context, attributeSet);
}
public void setMimeTypes(String[] types,
InputConnectionCompat.OnCommitContentListener listener) {
mimeTypes = types;
onCommitContentListener = listener;
}
@Override
public InputConnection onCreateInputConnection(EditorInfo editorInfo) {
InputConnection connection = super.onCreateInputConnection(editorInfo);
if (onCommitContentListener != null) {
Assert.expect(mimeTypes != null);
EditorInfoCompat.setContentMimeTypes(editorInfo, mimeTypes);
return InputConnectionCompat.createWrapper(connection, editorInfo,
onCommitContentListener);
} else {
return connection;
}
}
}

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app/src/main/java/com/keylesspalace/tusky/util/EndlessOnScrollListener.java Normal file
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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
public abstract class EndlessOnScrollListener extends RecyclerView.OnScrollListener {
private static final int VISIBLE_THRESHOLD = 15;
private int currentPage;
private int previousTotalItemCount;
private boolean loading;
private int startingPageIndex;
private LinearLayoutManager layoutManager;
public EndlessOnScrollListener(LinearLayoutManager layoutManager) {
this.layoutManager = layoutManager;
currentPage = 0;
previousTotalItemCount = 0;
loading = true;
startingPageIndex = 0;
}
@Override
public void onScrolled(RecyclerView view, int dx, int dy) {
int totalItemCount = layoutManager.getItemCount();
int lastVisibleItemPosition = layoutManager.findLastVisibleItemPosition();
if (totalItemCount < previousTotalItemCount) {
currentPage = startingPageIndex;
previousTotalItemCount = totalItemCount;
if (totalItemCount == 0) {
loading = true;
}
}
if (loading && totalItemCount > previousTotalItemCount) {
loading = false;
previousTotalItemCount = totalItemCount;
}
if (!loading && lastVisibleItemPosition + VISIBLE_THRESHOLD > totalItemCount) {
currentPage++;
onLoadMore(currentPage, totalItemCount, view);
loading = true;
}
}
public void reset() {
currentPage = startingPageIndex;
previousTotalItemCount = 0;
loading = true;
}
public abstract void onLoadMore(int page, int totalItemsCount, RecyclerView view);
}

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app/src/main/java/com/keylesspalace/tusky/util/FlowLayout.java Normal file
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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import com.keylesspalace.tusky.R;
public class FlowLayout extends ViewGroup {
private int paddingHorizontal; // internal padding between child views
private int paddingVertical; //
private int totalHeight;
public FlowLayout(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public FlowLayout(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
TypedArray a = context.getTheme().obtainStyledAttributes(
attrs, R.styleable.FlowLayout, 0, 0);
try {
paddingHorizontal = a.getDimensionPixelSize(
R.styleable.FlowLayout_paddingHorizontal, 0);
paddingVertical = a.getDimensionPixelSize(R.styleable.FlowLayout_paddingVertical, 0);
} finally {
a.recycle();
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
Assert.expect(MeasureSpec.getMode(widthMeasureSpec) != MeasureSpec.UNSPECIFIED);
int width = MeasureSpec.getSize(widthMeasureSpec) - getPaddingLeft() - getPaddingRight();
int height = MeasureSpec.getSize(heightMeasureSpec) - getPaddingTop() - getPaddingBottom();
int count = getChildCount();
int x = getPaddingLeft();
int y = getPaddingTop();
int childHeightMeasureSpec;
if (MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.AT_MOST) {
childHeightMeasureSpec = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST);
} else {
childHeightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
}
totalHeight = 0;
for (int i = 0; i < count; i++) {
View child = getChildAt(i);
if (child.getVisibility() != GONE) {
child.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.AT_MOST),
childHeightMeasureSpec);
int childwidth = child.getMeasuredWidth();
totalHeight = Math.max(totalHeight, child.getMeasuredHeight() + paddingVertical);
if (x + childwidth > width) {
x = getPaddingLeft();
y += totalHeight;
}
x += childwidth + paddingHorizontal;
}
}
if (MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.UNSPECIFIED) {
height = y + totalHeight;
} else if (MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.AT_MOST) {
if (y + totalHeight < height) {
height = y + totalHeight;
}
}
height += 5; // Fudge to avoid clipping bottom of last row.
setMeasuredDimension(width, height);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
final int width = r - l;
int x = getPaddingLeft();
int y = getPaddingTop();
for (int i = 0; i < getChildCount(); i++) {
View child = getChildAt(i);
if (child.getVisibility() != GONE) {
int childWidth = child.getMeasuredWidth();
int childHeight = child.getMeasuredHeight();
if (x + childWidth > width) {
x = getPaddingLeft();
y += totalHeight;
}
child.layout(x, y, x + childWidth, y + childHeight);
x += childWidth + paddingHorizontal;
}
}
}
}

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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.os.Build;
import android.text.Html;
import android.text.Spanned;
public class HtmlUtils {
private static CharSequence trimTrailingWhitespace(CharSequence s) {
int i = s.length();
do {
i--;
} while (i >= 0 && Character.isWhitespace(s.charAt(i)));
return s.subSequence(0, i + 1);
}
@SuppressWarnings("deprecation")
public static Spanned fromHtml(String html) {
Spanned result;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
result = Html.fromHtml(html, Html.FROM_HTML_MODE_LEGACY);
} else {
result = Html.fromHtml(html);
}
/* Html.fromHtml returns trailing whitespace if the html ends in a </p> tag, which
* all status contents do, so it should be trimmed. */
return (Spanned) trimTrailingWhitespace(result);
}
@SuppressWarnings("deprecation")
public static String toHtml(Spanned text) {
String result;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
result = Html.toHtml(text, Html.TO_HTML_PARAGRAPH_LINES_CONSECUTIVE);
} else {
result = Html.toHtml(text);
}
return result;
}
}

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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.support.annotation.Nullable;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class IOUtils {
public static void closeQuietly(@Nullable InputStream stream) {
try {
if (stream != null) {
stream.close();
}
} catch (IOException e) {
// intentionally unhandled
}
}
public static void closeQuietly(@Nullable OutputStream stream) {
try {
if (stream != null) {
stream.close();
}
} catch (IOException e) {
// intentionally unhandled
}
}
}

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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.support.annotation.Nullable;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.method.LinkMovementMethod;
import android.text.style.ClickableSpan;
import android.text.style.URLSpan;
import android.view.View;
import android.widget.TextView;
import com.keylesspalace.tusky.entity.Status;
import com.keylesspalace.tusky.interfaces.LinkListener;
public class LinkHelper {
public static void setClickableText(TextView view, Spanned content,
@Nullable Status.Mention[] mentions, boolean useCustomTabs,
final LinkListener listener) {
SpannableStringBuilder builder = new SpannableStringBuilder(content);
URLSpan[] urlSpans = content.getSpans(0, content.length(), URLSpan.class);
for (URLSpan span : urlSpans) {
int start = builder.getSpanStart(span);
int end = builder.getSpanEnd(span);
int flags = builder.getSpanFlags(span);
CharSequence text = builder.subSequence(start, end);
if (text.charAt(0) == '#') {
final String tag = text.subSequence(1, text.length()).toString();
ClickableSpan newSpan = new ClickableSpan() {
@Override
public void onClick(View widget) {
listener.onViewTag(tag);
}
};
builder.removeSpan(span);
builder.setSpan(newSpan, start, end, flags);
} else if (text.charAt(0) == '@' && mentions != null) {
final String accountUsername = text.subSequence(1, text.length()).toString();
String id = null;
for (Status.Mention mention : mentions) {
if (mention.localUsername.equals(accountUsername)) {
id = mention.id;
}
}
if (id != null) {
final String accountId = id;
ClickableSpan newSpan = new ClickableSpan() {
@Override
public void onClick(View widget) {
listener.onViewAccount(accountId);
}
};
builder.removeSpan(span);
builder.setSpan(newSpan, start, end, flags);
}
} else if (useCustomTabs) {
ClickableSpan newSpan = new CustomTabURLSpan(span.getURL());
builder.removeSpan(span);
builder.setSpan(newSpan, start, end, flags);
}
}
view.setText(builder);
view.setLinksClickable(true);
view.setMovementMethod(LinkMovementMethod.getInstance());
}
}

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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import com.keylesspalace.tusky.BuildConfig;
/**A wrapper for android.util.Log that allows for disabling logging, such as for release builds.*/
public class Log {
private static final boolean LOGGING_ENABLED = BuildConfig.DEBUG;
public static void i(String tag, String string) {
if (LOGGING_ENABLED) {
android.util.Log.i(tag, string);
}
}
public static void e(String tag, String string) {
if (LOGGING_ENABLED) {
android.util.Log.e(tag, string);
}
}
public static void d(String tag, String string) {
if (LOGGING_ENABLED) {
android.util.Log.d(tag, string);
}
}
public static void v(String tag, String string) {
if (LOGGING_ENABLED) {
android.util.Log.v(tag, string);
}
}
public static void w(String tag, String string) {
if (LOGGING_ENABLED) {
android.util.Log.w(tag, string);
}
}
}

31
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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
public class NotificationClearBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
SharedPreferences notificationPreferences = context.getSharedPreferences("Notifications", Context.MODE_PRIVATE);
SharedPreferences.Editor editor = notificationPreferences.edit();
editor.putString("current", "[]");
editor.apply();
}
}

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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.preference.PreferenceManager;
import android.provider.Settings;
import android.support.annotation.Nullable;
import android.support.v4.app.NotificationCompat;
import android.support.v4.app.TaskStackBuilder;
import com.keylesspalace.tusky.MainActivity;
import com.keylesspalace.tusky.R;
import com.keylesspalace.tusky.entity.Notification;
import com.squareup.picasso.Picasso;
import com.squareup.picasso.Target;
import org.json.JSONArray;
import org.json.JSONException;
public class NotificationMaker {
public static void make(final Context context, final int notifyId, Notification body) {
final SharedPreferences preferences =
PreferenceManager.getDefaultSharedPreferences(context);
final SharedPreferences notificationPreferences = context.getSharedPreferences(
"Notifications", Context.MODE_PRIVATE);
if (!filterNotification(preferences, body)) {
return;
}
String rawCurrentNotifications = notificationPreferences.getString("current", "[]");
JSONArray currentNotifications;
try {
currentNotifications = new JSONArray(rawCurrentNotifications);
} catch (JSONException e) {
currentNotifications = new JSONArray();
}
boolean alreadyContains = false;
for(int i = 0; i < currentNotifications.length(); i++) {
try {
if (currentNotifications.getString(i).equals(body.account.getDisplayName())) {
alreadyContains = true;
}
} catch (JSONException e) {
e.printStackTrace();
}
}
if (!alreadyContains) {
currentNotifications.put(body.account.getDisplayName());
}
notificationPreferences.edit()
.putString("current", currentNotifications.toString())
.commit();
Intent resultIntent = new Intent(context, MainActivity.class);
resultIntent.putExtra("tab_position", 1);
TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
stackBuilder.addParentStack(MainActivity.class);
stackBuilder.addNextIntent(resultIntent);
PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
Intent deleteIntent = new Intent(context, NotificationClearBroadcastReceiver.class);
PendingIntent deletePendingIntent = PendingIntent.getBroadcast(context, 0, deleteIntent, PendingIntent.FLAG_CANCEL_CURRENT);
final NotificationCompat.Builder builder = new NotificationCompat.Builder(context)
.setSmallIcon(R.drawable.ic_notify)
.setContentIntent(resultPendingIntent)
.setDeleteIntent(deletePendingIntent)
.setDefaults(0); // So it doesn't ring twice, notify only in Target callback
if (currentNotifications.length() == 1) {
builder.setContentTitle(titleForType(context, body))
.setContentText(truncateWithEllipses(bodyForType(body), 40));
Target mTarget = new Target() {
@Override
public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) {
builder.setLargeIcon(bitmap);
setupPreferences(preferences, builder);
((NotificationManager) (context.getSystemService(Context.NOTIFICATION_SERVICE)))
.notify(notifyId, builder.build());
}
@Override
public void onBitmapFailed(Drawable errorDrawable) {}
@Override
public void onPrepareLoad(Drawable placeHolderDrawable) {}
};
Picasso.with(context)
.load(body.account.avatar)
.placeholder(R.drawable.avatar_default)
.transform(new RoundedTransformation(7, 0))
.into(mTarget);
} else {
setupPreferences(preferences, builder);
try {
builder.setContentTitle(String.format(context.getString(R.string.notification_title_summary), currentNotifications.length()))
.setContentText(truncateWithEllipses(joinNames(context, currentNotifications), 40));
} catch (JSONException e) {
e.printStackTrace();
}
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
builder.setVisibility(android.app.Notification.VISIBILITY_PRIVATE);
builder.setCategory(android.app.Notification.CATEGORY_SOCIAL);
}
((NotificationManager) (context.getSystemService(Context.NOTIFICATION_SERVICE)))
.notify(notifyId, builder.build());
}
private static boolean filterNotification(SharedPreferences preferences,
Notification notification) {
switch (notification.type) {
default:
case MENTION: {
return preferences.getBoolean("notificationFilterMentions", true);
}
case FOLLOW: {
return preferences.getBoolean("notificationFilterFollows", true);
}
case REBLOG: {
return preferences.getBoolean("notificationFilterReblogs", true);
}
case FAVOURITE: {
return preferences.getBoolean("notificationFilterFavourites", true);
}
}
}
private static String truncateWithEllipses(String string, int limit) {
if (string.length() < limit) {
return string;
} else {
return string.substring(0, limit - 3) + "...";
}
}
private static void setupPreferences(SharedPreferences preferences,
NotificationCompat.Builder builder) {
if (preferences.getBoolean("notificationAlertSound", true)) {
builder.setSound(Settings.System.DEFAULT_NOTIFICATION_URI);
}
if (preferences.getBoolean("notificationAlertVibrate", false)) {
builder.setVibrate(new long[] { 500, 500 });
}
if (preferences.getBoolean("notificationAlertLight", false)) {
builder.setLights(0xFF00FF8F, 300, 1000);
}
}
@Nullable
private static String joinNames(Context context, JSONArray array) throws JSONException {
if (array.length() > 3) {
return String.format(context.getString(R.string.notification_summary_large), array.get(0), array.get(1), array.get(2), array.length() - 3);
} else if (array.length() == 3) {
return String.format(context.getString(R.string.notification_summary_medium), array.get(0), array.get(1), array.get(2));
} else if (array.length() == 2) {
return String.format(context.getString(R.string.notification_summary_small), array.get(0), array.get(1));
}
return null;
}
@Nullable
private static String titleForType(Context context, Notification notification) {
switch (notification.type) {
case MENTION:
return String.format(context.getString(R.string.notification_mention_format), notification.account.getDisplayName());
case FOLLOW:
return String.format(context.getString(R.string.notification_follow_format), notification.account.getDisplayName());
case FAVOURITE:
return String.format(context.getString(R.string.notification_favourite_format), notification.account.getDisplayName());
case REBLOG:
return String.format(context.getString(R.string.notification_reblog_format), notification.account.getDisplayName());
}
return null;
}
@Nullable
private static String bodyForType(Notification notification) {
switch (notification.type) {
case FOLLOW:
return notification.account.username;
case MENTION:
case FAVOURITE:
case REBLOG:
return notification.status.content.toString();
}
return null;
}
}

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/* Copyright 2017 Andrew Dawson
*
* This file is part of Tusky.
*
* Tusky is free software: you can redistribute it and/or modify it under the terms of the GNU
* Lesser General Public License as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* Tusky 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 Lesser
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with Tusky. If
* not, see <http://www.gnu.org/licenses/>. */
package com.keylesspalace.tusky.util;
import android.os.Build;
import android.support.annotation.NonNull;
import com.keylesspalace.tusky.BuildConfig;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
import okhttp3.ConnectionSpec;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
public class OkHttpUtils {
static final String TAG = "OkHttpUtils"; // logging tag
/**
* Makes a Builder with the maximum range of TLS versions and cipher suites enabled.
*
* It first tries the "approved" list of cipher suites given in OkHttp (the default in
* ConnectionSpec.MODERN_TLS) and if that doesn't work falls back to the set of ALL enabled,
* then falls back to plain http.
*
* API level 24 has a regression in elliptic curves where it only supports secp256r1, so this
* first tries a fallback without elliptic curves at all, and then tries them after.
*
* TLS 1.1 and 1.2 have to be manually enabled on API levels 16-20.
*/
@NonNull
public static OkHttpClient.Builder getCompatibleClientBuilder() {
ConnectionSpec fallback = new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
.allEnabledCipherSuites()
.supportsTlsExtensions(true)
.build();
List<ConnectionSpec> specList = new ArrayList<>();
specList.add(ConnectionSpec.MODERN_TLS);
addNougatFixConnectionSpec(specList);
specList.add(fallback);
specList.add(ConnectionSpec.CLEARTEXT);
OkHttpClient.Builder builder = new OkHttpClient.Builder()
.addInterceptor(getUserAgentInterceptor())
.connectionSpecs(specList);
return enableHigherTlsOnPreLollipop(builder);
}
@NonNull
public static OkHttpClient getCompatibleClient() {
return getCompatibleClientBuilder().build();
}
/**
* Add a custom User-Agent that contains Tusky & Android Version to all requests
* Example:
* User-Agent: Tusky/1.1.2 Android/5.0.2
*/
@NonNull
private static Interceptor getUserAgentInterceptor() {
return new Interceptor() {
@Override
public Response intercept(Chain chain) throws IOException {
Request originalRequest = chain.request();
Request requestWithUserAgent = originalRequest.newBuilder()
.header("User-Agent", "Tusky/"+ BuildConfig.VERSION_NAME+" Android/"+Build.VERSION.RELEASE)
.build();
return chain.proceed(requestWithUserAgent);
}
};
}
/**
* Android version Nougat has a regression where elliptic curve cipher suites are supported, but
* only the curve secp256r1 is allowed. So, first it's best to just disable all elliptic
* ciphers, try the connection, and fall back to the all cipher suites enabled list after.
*/
private static void addNougatFixConnectionSpec(List<ConnectionSpec> specList) {
if (Build.VERSION.SDK_INT != Build.VERSION_CODES.N) {
return;
}
SSLSocketFactory socketFactory;
try {
TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(
TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init((KeyStore) null);
TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();
if (trustManagers.length != 1 || !(trustManagers[0] instanceof X509TrustManager)) {
throw new IllegalStateException("Unexpected default trust managers:"
+ Arrays.toString(trustManagers));
}
X509TrustManager trustManager = (X509TrustManager) trustManagers[0];
SSLContext sslContext = SSLContext.getInstance("TLS");
sslContext.init(null, new TrustManager[] { trustManager }, null);
socketFactory = sslContext.getSocketFactory();
} catch (NoSuchAlgorithmException|KeyStoreException|KeyManagementException e) {
Log.e(TAG, "Failed obtaining the SSL socket factory.");
return;
}
String[] cipherSuites = socketFactory.getDefaultCipherSuites();
ArrayList<String> allowedList = new ArrayList<>();
for (String suite : cipherSuites) {
if (!suite.contains("ECDH")) {
allowedList.add(suite);
}
}
ConnectionSpec spec = new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
.cipherSuites(allowedList.toArray(new String[0]))
.supportsTlsExtensions(true)
.build();
specList.add(spec);
}
private static OkHttpClient.Builder enableHigherTlsOnPreLollipop(OkHttpClient.Builder builder) {
if (Build.VERSION.SDK_INT >= 16 && Build.VERSION.SDK_INT < 22) {
try {
TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(
TrustManagerFactory.getDefaultAlgorithm());
trustManagerFactory.init((KeyStore) null);
TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();
if (trustManagers.length != 1 || !(trustManagers[0] instanceof X509TrustManager)) {
throw new IllegalStateException("Unexpected default trust managers:"
+ Arrays.toString(trustManagers));
}
X509TrustManager trustManager = (X509TrustManager) trustManagers[0];
SSLContext sslContext = SSLContext.getInstance("TLS");
sslContext.init(null, new TrustManager[] { trustManager }, null);
SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
builder.sslSocketFactory(new SSLSocketFactoryCompat(sslSocketFactory),
trustManager);
} catch (NoSuchAlgorithmException|KeyStoreException|KeyManagementException e) {
Log.e(TAG, "Failed enabling TLS 1.1 & 1.2. " + e.getMessage());
}
}
return builder;
}
private static class SSLSocketFactoryCompat extends SSLSocketFactory {
private static final String[] DESIRED_TLS_VERSIONS = { "TLSv1", "TLSv1.1", "TLSv1.2",
"TLSv1.3" };
final SSLSocketFactory delegate;
SSLSocketFactoryCompat(SSLSocketFactory base) {
this.delegate = base;
}
@Override
public String[] getDefaultCipherSuites() {
return delegate.getDefaultCipherSuites();
}
@Override
public String[] getSupportedCipherSuites() {
return delegate.getSupportedCipherSuites();
}
@Override
public Socket createSocket(Socket s, String host, int port, boolean autoClose)
throws IOException {
return patch(delegate.createSocket(s, host, port, autoClose));
}
@Override
public Socket createSocket(String host, int port) throws IOException {
return patch(delegate.createSocket(host, port));
}
@Override
public Socket createSocket(String host, int port, InetAddress localHost, int localPort)
throws IOException {
return patch(delegate.createSocket(host, port, localHost, localPort));
}
@Override
public Socket createSocket(InetAddress host, int port) throws IOException {
return patch(delegate.createSocket(host, port));
}
@Override
public Socket createSocket(InetAddress address, int port, InetAddress localAddress,
int localPort) throws IOException {
return patch(delegate.createSocket(address, port, localAddress, localPort));
}
@NonNull
private static String[] getMatches(String[] wanted, String[] have) {
List<String> a = new ArrayList<>(Arrays.asList(wanted));
List<String> b = Arrays.asList(have);
a.retainAll(b);
return a.toArray(new String[0]);
}
private Socket patch(Socket socket) {
if (socket instanceof SSLSocket) {
SSLSocket sslSocket = (SSLSocket) socket;
String[] protocols = getMatches(DESIRED_TLS_VERSIONS,
sslSocket.getSupportedProtocols());
sslSocket.setEnabledProtocols(protocols);
}
return socket;
}
}
}

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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.graphics.Bitmap;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.Shader;
import com.squareup.picasso.Transformation;
public class RoundedTransformation implements Transformation {
private final int radius;
private final int margin;
public RoundedTransformation(final int radius, final int margin) {
this.radius = radius;
this.margin = margin;
}
@Override
public Bitmap transform(Bitmap source) {
final Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setShader(new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
Bitmap output = Bitmap.createBitmap(source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(output);
canvas.drawRoundRect(new RectF(margin, margin, source.getWidth() - margin, source.getHeight() - margin), radius, radius, paint);
if (source != output) {
source.recycle();
}
return output;
}
@Override
public String key() {
return "rounded";
}
}

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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.text.Spannable;
import android.text.Spanned;
import android.text.style.ForegroundColorSpan;
public class SpanUtils {
private static class FindCharsResult {
int charIndex;
int stringIndex;
FindCharsResult() {
charIndex = -1;
stringIndex = -1;
}
}
private static FindCharsResult findChars(String string, int fromIndex, char[] chars) {
FindCharsResult result = new FindCharsResult();
final int length = string.length();
for (int i = fromIndex; i < length; i++) {
char c = string.charAt(i);
for (int j = 0; j < chars.length; j++) {
if (chars[j] == c) {
result.charIndex = j;
result.stringIndex = i;
return result;
}
}
}
return result;
}
private static FindCharsResult findStart(String string, int fromIndex, char[] chars) {
final int length = string.length();
while (fromIndex < length) {
FindCharsResult found = findChars(string, fromIndex, chars);
int i = found.stringIndex;
if (i < 0) {
break;
} else if (i == 0 || i >= 1 && Character.isWhitespace(string.codePointBefore(i))) {
return found;
} else {
fromIndex = i + 1;
}
}
return new FindCharsResult();
}
private static int findEndOfHashtag(String string, int fromIndex) {
final int length = string.length();
for (int i = fromIndex + 1; i < length;) {
int codepoint = string.codePointAt(i);
if (Character.isWhitespace(codepoint)) {
return i;
} else if (codepoint == '#') {
return -1;
}
i += Character.charCount(codepoint);
}
return length;
}
private static int findEndOfMention(String string, int fromIndex) {
int atCount = 0;
final int length = string.length();
for (int i = fromIndex + 1; i < length;) {
int codepoint = string.codePointAt(i);
if (Character.isWhitespace(codepoint)) {
return i;
} else if (codepoint == '@') {
atCount += 1;
if (atCount >= 2) {
return -1;
}
}
i += Character.charCount(codepoint);
}
return length;
}
public static void highlightSpans(Spannable text, int colour) {
// Strip all existing colour spans.
int n = text.length();
ForegroundColorSpan[] oldSpans = text.getSpans(0, n, ForegroundColorSpan.class);
for (int i = oldSpans.length - 1; i >= 0; i--) {
text.removeSpan(oldSpans[i]);
}
// Colour the mentions and hashtags.
String string = text.toString();
int start;
int end = 0;
while (end < n) {
char[] chars = { '#', '@' };
FindCharsResult found = findStart(string, end, chars);
start = found.stringIndex;
if (start < 0) {
break;
}
if (found.charIndex == 0) {
end = findEndOfHashtag(string, start);
} else if (found.charIndex == 1) {
end = findEndOfMention(string, start);
} else {
break;
}
if (end < 0) {
break;
}
text.setSpan(new ForegroundColorSpan(colour), start, end,
Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
}
}
}

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/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program 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.
*
* Tusky 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 Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.content.Context;
import android.graphics.Color;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.support.annotation.AttrRes;
import android.support.annotation.ColorInt;
import android.support.annotation.DrawableRes;
import android.support.v4.content.ContextCompat;
import android.util.TypedValue;
import android.widget.ImageView;
public class ThemeUtils {
public static Drawable getDrawable(Context context, @AttrRes int attribute,
@DrawableRes int fallbackDrawable) {
TypedValue value = new TypedValue();
@DrawableRes int resourceId;
if (context.getTheme().resolveAttribute(attribute, value, true)) {
resourceId = value.resourceId;
} else {
resourceId = fallbackDrawable;
}
return ContextCompat.getDrawable(context, resourceId);
}
public static @DrawableRes int getDrawableId(Context context, @AttrRes int attribute,
@DrawableRes int fallbackDrawableId) {
TypedValue value = new TypedValue();
if (context.getTheme().resolveAttribute(attribute, value, true)) {
return value.resourceId;
} else {
return fallbackDrawableId;
}
}
public static @ColorInt int getColor(Context context, @AttrRes int attribute) {
TypedValue value = new TypedValue();
if (context.getTheme().resolveAttribute(attribute, value, true)) {
return value.data;
} else {
return Color.BLACK;
}
}
public static void setImageViewTint(ImageView view, @AttrRes int attribute) {
view.setColorFilter(getColor(view.getContext(), attribute), PorterDuff.Mode.SRC_IN);
}
public static void setDrawableTint(Context context, Drawable drawable, @AttrRes int attribute) {
drawable.setColorFilter(getColor(context, attribute), PorterDuff.Mode.SRC_IN);
}
}