FairEmail/app/src/main/java/eu/faircode/email/FragmentBase.java

760 lines
29 KiB
Java

package eu.faircode.email;
/*
This file is part of FairEmail.
FairEmail 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.
FairEmail 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 FairEmail. If not, see <http://www.gnu.org/licenses/>.
Copyright 2018-2023 by Marcel Bokhorst (M66B)
*/
import static android.app.ActionBar.DISPLAY_SHOW_CUSTOM;
import static android.app.Activity.RESULT_OK;
import android.app.Activity;
import android.app.RecoverableSecurityException;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentSender;
import android.content.SharedPreferences;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.graphics.Rect;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.Toast;
import androidx.activity.OnBackPressedCallback;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import androidx.documentfile.provider.DocumentFile;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentActivity;
import androidx.fragment.app.FragmentResultListener;
import androidx.lifecycle.Lifecycle;
import androidx.lifecycle.LifecycleObserver;
import androidx.lifecycle.LifecycleOwner;
import androidx.lifecycle.OnLifecycleEvent;
import androidx.preference.PreferenceManager;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class FragmentBase extends Fragment {
private CharSequence count = null;
private CharSequence title = null;
private CharSequence subtitle = " ";
private boolean finish = false;
private boolean finished = false;
private int scrollToResid = 0;
private int scrollToOffset = 0;
private Integer orientation = null;
private static final int REQUEST_ATTACHMENT = 51;
private static final int REQUEST_ATTACHMENTS = 52;
private static final int REQUEST_RECOVERABLE_PERMISSION = 53;
static final int REQUEST_PERMISSIONS = 1000;
protected ActionBar getSupportActionBar() {
FragmentActivity activity = getActivity();
if (activity instanceof ActivityBase)
return ((ActivityBase) activity).getSupportActionBar();
else
return null;
}
protected boolean isActionBarShown() {
FragmentActivity activity = getActivity();
if (activity instanceof ActivityBase)
return ((ActivityBase) activity).isActionBarShown();
else
return false;
}
protected void showActionBar(boolean show) {
FragmentActivity activity = getActivity();
if (activity instanceof ActivityBase)
((ActivityBase) activity).showActionBar(show);
}
protected void setCount(String count) {
this.count = count;
updateSubtitle();
}
protected void setTitle(int resid) {
setTitle(getString(resid));
}
protected void setTitle(CharSequence title) {
this.title = title;
updateSubtitle();
}
protected void setSubtitle(int resid) {
setSubtitle(getString(resid));
}
protected void setSubtitle(CharSequence subtitle) {
this.subtitle = subtitle;
updateSubtitle();
}
protected void setActionBarListener(final LifecycleOwner owner, final View.OnClickListener listener) {
final AppCompatActivity activity = (AppCompatActivity) getActivity();
if (activity == null)
return;
final ActionBar actionbar = activity.getSupportActionBar();
if (actionbar == null)
return;
if ((actionbar.getDisplayOptions() & DISPLAY_SHOW_CUSTOM) == 0)
return;
final View custom = actionbar.getCustomView();
if (custom == null)
return;
owner.getLifecycle().addObserver(new LifecycleObserver() {
@OnLifecycleEvent(Lifecycle.Event.ON_ANY)
public void onAny() {
Lifecycle.State state = owner.getLifecycle().getCurrentState();
custom.setOnClickListener(state.isAtLeast(Lifecycle.State.STARTED) ? listener : null);
if (Lifecycle.State.DESTROYED.equals(state))
owner.getLifecycle().removeObserver(this);
}
});
}
@Override
public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
super.onCreateOptionsMenu(menu, inflater);
onPrepareOptionsMenu(menu);
}
void invalidateOptionsMenu() {
FragmentActivity activity = getActivity();
if (activity != null)
activity.invalidateOptionsMenu();
}
void scrollTo(int resid, int offset) {
scrollToResid = resid;
scrollToOffset = offset;
scrollTo();
}
private void scrollTo() {
if (scrollToResid == 0)
return;
View view = getView();
if (view == null)
return;
final ScrollView scroll = view.findViewById(R.id.scroll);
if (scroll == null)
return;
final View child = scroll.findViewById(scrollToResid);
if (child == null)
return;
scrollToResid = 0;
final int dy = Helper.dp2pixels(scroll.getContext(), scrollToOffset);
scroll.post(new Runnable() {
@Override
public void run() {
try {
Rect rect = new Rect();
child.getDrawingRect(rect);
scroll.offsetDescendantRectToMyCoords(child, rect);
int y = rect.top - scroll.getPaddingTop() + dy;
if (y < 0)
y = 0;
scroll.scrollTo(0, y);
} catch (Throwable ex) {
Log.e(ex);
}
}
});
}
@Override
public void startActivity(Intent intent) {
try {
Log.i("Start intent=" + intent);
Log.logExtras(intent);
super.startActivity(intent);
} catch (Throwable ex) {
Helper.reportNoViewer(getContext(), intent, ex);
}
}
@Override
public void startActivityForResult(Intent intent, int requestCode) {
try {
Log.i("Start intent=" + intent + " request=" + requestCode);
Log.logExtras(intent);
super.startActivityForResult(intent, requestCode);
} catch (Throwable ex) {
Helper.reportNoViewer(getContext(), intent, ex);
}
}
protected void finish() {
if (finished)
return;
finished = true;
if (getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.STARTED))
getParentFragmentManager().popBackStack();
else
finish = true;
}
@Override
public void onSaveInstanceState(Bundle outState) {
Log.d("Save instance " + this);
int before = Helper.getSize(outState);
outState.putCharSequence("fair:title", title);
outState.putCharSequence("fair:subtitle", subtitle);
super.onSaveInstanceState(outState);
int after = Helper.getSize(outState);
Log.d("Saved instance " + this + " size=" + before + "/" + after);
Map<String, String> crumb = new HashMap<>();
crumb.put("name", this.getClass().getName());
crumb.put("before", Integer.toString(before));
crumb.put("after", Integer.toString(after));
for (String key : outState.keySet()) {
Object value = outState.get(key);
crumb.put(key, value == null ? "" : value.getClass().getName());
}
Log.breadcrumb("onSaveInstanceState", crumb);
for (String key : outState.keySet())
Log.d("Saved " + this + " " + key + "=" + outState.get(key));
}
public String getRequestKey() {
return Helper.getRequestKey(this);
}
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i("Create " + this + " saved=" + (savedInstanceState != null));
super.onCreate(savedInstanceState);
if (savedInstanceState == null) {
Bundle args = getArguments();
if (args == null && !isStateSaved())
setArguments(new Bundle());
} else {
title = savedInstanceState.getCharSequence("fair:title");
subtitle = savedInstanceState.getCharSequence("fair:subtitle");
}
// https://developer.android.com/training/basics/fragments/pass-data-between
String requestKey = getRequestKey();
if (!BuildConfig.PLAY_STORE_RELEASE)
EntityLog.log(getContext(), "Listening key=" + requestKey);
getParentFragmentManager().setFragmentResultListener(requestKey, this, new FragmentResultListener() {
@Override
public void onFragmentResult(@NonNull String requestKey, @NonNull Bundle result) {
try {
result.setClassLoader(ApplicationEx.class.getClassLoader());
int requestCode = result.getInt("requestCode");
int resultCode = result.getInt("resultCode");
EntityLog.log(getContext(), "Received key=" + requestKey +
" request=" + requestCode +
" result=" + resultCode);
Intent data = new Intent();
data.putExtra("args", result);
onActivityResult(requestCode, resultCode, data);
} catch (Throwable ex) {
Log.e(ex);
/*
android.os.BadParcelableException: ClassNotFoundException when unmarshalling: eu.faircode.email.FragmentMessages$MessageTarget
at android.os.Parcel.readParcelableCreator(Parcel.java:2839)
at android.os.Parcel.readParcelable(Parcel.java:2765)
at android.os.Parcel.readValue(Parcel.java:2668)
at android.os.Parcel.readListInternal(Parcel.java:3098)
at android.os.Parcel.readArrayList(Parcel.java:2319)
at android.os.Parcel.readValue(Parcel.java:2689)
at android.os.Parcel.readArrayMapInternal(Parcel.java:3037)
at android.os.BaseBundle.initializeFromParcelLocked(BaseBundle.java:288)
at android.os.BaseBundle.unparcel(BaseBundle.java:232)
at android.os.BaseBundle.getInt(BaseBundle.java:1017)
*/
}
}
});
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
Log.d("Create view " + this + (savedInstanceState != null));
return super.onCreateView(inflater, container, savedInstanceState);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
Log.d("Activity " + this + " saved=" + (savedInstanceState != null));
super.onActivityCreated(savedInstanceState);
scrollTo();
}
@Override
public void onResume() {
Log.d("Resume " + this);
super.onResume();
updateSubtitle();
if (finish) {
getParentFragmentManager().popBackStack();
finish = false;
}
}
@Override
public void onPause() {
Log.d("Pause " + this);
super.onPause();
}
@Override
public boolean onOptionsItemSelected(@NonNull MenuItem item) {
if (item.getItemId() == android.R.id.home) {
FragmentActivity activity = getActivity();
if (activity != null) {
activity.getOnBackPressedDispatcher().onBackPressed();
return true;
}
}
return super.onOptionsItemSelected(item);
}
@Override
public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
EntityLog.log(getContext(), "Result class=" + this.getClass().getSimpleName() +
" action=" + (data == null ? null : data.getAction()) +
" request=" + requestCode +
" result=" + resultCode + " ok=" + (resultCode == RESULT_OK) +
" data=" + (data == null ? null : data.getData()) +
(data == null ? "" : " " + TextUtils.join(" ", Log.getExtras(data.getExtras()))));
super.onActivityResult(requestCode, resultCode, data);
try {
switch (requestCode) {
case REQUEST_ATTACHMENT:
if (resultCode == RESULT_OK && data != null)
onSaveAttachment(data);
break;
case REQUEST_ATTACHMENTS:
if (resultCode == RESULT_OK && data != null)
onSaveAttachments(data);
break;
}
} catch (Throwable ex) {
Log.e(ex);
}
}
@Override
public void onDetach() {
Log.d("Detach " + this);
super.onDetach();
try {
FragmentActivity activity = getActivity();
if (activity != null) {
InputMethodManager imm = Helper.getSystemService(activity, InputMethodManager.class);
View focused = activity.getCurrentFocus();
if (imm != null && focused != null)
imm.hideSoftInputFromWindow(focused.getWindowToken(), 0);
}
} catch (Throwable ex) {
Log.w(ex);
/*
Caused by: java.lang.NullPointerException: Attempt to read from field 'com.android.internal.view.IInputMethodClient com.android.server.inputmethod.InputMethodManagerService$ClientState.client' on a null object reference
at android.os.Parcel.createException(Parcel.java:2077)
at android.os.Parcel.readException(Parcel.java:2039)
at android.os.Parcel.readException(Parcel.java:1987)
at com.android.internal.view.IInputMethodManager$Stub$Proxy.hideSoftInput(IInputMethodManager.java:615)
at android.view.inputmethod.InputMethodManager.hideSoftInputFromWindow(InputMethodManager.java:1523)
at android.view.inputmethod.InputMethodManager.hideSoftInputFromWindow(InputMethodManager.java:1485)
at eu.faircode.email.FragmentBase.onDetach(SourceFile:5)
at androidx.fragment.app.Fragment.performDetach(SourceFile:3)
*/
}
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
Log.d("Config " + this);
super.onConfigurationChanged(newConfig);
}
@Override
public void onDestroy() {
Log.i("Destroy " + this);
if (orientation != null) {
Activity activity = getActivity();
if (activity != null)
activity.setRequestedOrientation(orientation);
}
super.onDestroy();
}
protected void lockOrientation() {
Activity activity = getActivity();
if (activity != null) {
orientation = activity.getRequestedOrientation();
activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LOCKED);
}
}
@Override
public void setHasOptionsMenu(boolean hasMenu) {
super.setHasOptionsMenu(!isPane() && hasMenu);
}
private void updateSubtitle() {
AppCompatActivity activity = (AppCompatActivity) getActivity();
if (activity != null && !isPane()) {
ActionBar actionbar = activity.getSupportActionBar();
if (actionbar != null)
if ((actionbar.getDisplayOptions() & DISPLAY_SHOW_CUSTOM) == 0) {
actionbar.setTitle(title == null ? getString(R.string.app_name) : title);
actionbar.setSubtitle(subtitle);
} else {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
boolean list_count = prefs.getBoolean("list_count", false);
View custom = actionbar.getCustomView();
TextView tvCount = custom.findViewById(R.id.count);
TextView tvTitle = custom.findViewById(R.id.title);
TextView tvSubtitle = custom.findViewById(R.id.subtitle);
if (tvCount != null) {
tvCount.setText(count);
tvCount.setVisibility(!list_count || TextUtils.isEmpty(count)
? View.GONE : View.VISIBLE);
}
if (tvTitle != null)
tvTitle.setText(title == null ? getString(R.string.app_name) : title);
if (tvSubtitle != null)
tvSubtitle.setText(subtitle);
}
}
}
protected void setBackPressedCallback(OnBackPressedCallback backPressedCallback) {
FragmentActivity activity = getActivity();
if (activity == null)
return;
backPressedCallback.setEnabled(true);
getViewLifecycleOwner().getLifecycle().addObserver(new LifecycleObserver() {
@OnLifecycleEvent(Lifecycle.Event.ON_ANY)
public void onAny() {
Lifecycle.State state = getViewLifecycleOwner().getLifecycle().getCurrentState();
if (state.isAtLeast(Lifecycle.State.STARTED))
activity.getOnBackPressedDispatcher().addCallback(backPressedCallback);
else
backPressedCallback.remove();
}
});
}
private boolean isPane() {
Bundle args = getArguments();
return (args != null && args.getBoolean("pane"));
}
boolean hasPermission(String name) {
ActivityBase activity = (ActivityBase) getActivity();
if (activity == null)
return false;
return activity.hasPermission(name);
}
void addKeyPressedListener(ActivityBase.IKeyPressedListener listener) {
((ActivityBase) getActivity()).addKeyPressedListener(listener, getViewLifecycleOwner());
}
void addBillingListener(ActivityBilling.IBillingListener listener) {
((ActivityBilling) getActivity()).addBillingListener(listener, getViewLifecycleOwner());
}
protected void onStoreAttachment(EntityAttachment attachment) {
getArguments().putLong("selected_attachment", attachment.id);
Log.i("Save attachment id=" + attachment.id);
final Context context = getContext();
Intent create = new Intent(Intent.ACTION_CREATE_DOCUMENT);
create.addCategory(Intent.CATEGORY_OPENABLE);
create.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
create.setType(attachment.getMimeType());
create.putExtra(Intent.EXTRA_TITLE, attachment.name);
Helper.openAdvanced(context, create);
PackageManager pm = context.getPackageManager();
if (create.resolveActivity(pm) == null) // system whitelisted
Log.unexpectedError(getParentFragmentManager(),
new IllegalArgumentException(context.getString(R.string.title_no_saf)), 25);
else
startActivityForResult(Helper.getChooser(context, create), REQUEST_ATTACHMENT);
}
protected void onStoreAttachments(long message) {
getArguments().putLong("selected_message", message);
Log.i("Save attachments message=" + message);
final Context context = getContext();
Intent tree = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE);
Helper.openAdvanced(context, tree);
PackageManager pm = context.getPackageManager();
if (tree.resolveActivity(pm) == null) // system whitelisted
Log.unexpectedError(getParentFragmentManager(),
new IllegalArgumentException(context.getString(R.string.title_no_saf)), 25);
else
startActivityForResult(Helper.getChooser(context, tree), REQUEST_ATTACHMENTS);
}
private void onSaveAttachment(Intent data) {
long attachment = getArguments().getLong("selected_attachment", -1L);
Bundle args = new Bundle();
args.putLong("id", attachment);
args.putParcelable("uri", data.getData());
new SimpleTask<Void>() {
@Override
protected Void onExecute(Context context, Bundle args) throws Throwable {
long id = args.getLong("id");
Uri uri = args.getParcelable("uri");
if (uri == null)
throw new FileNotFoundException();
if (!"content".equals(uri.getScheme())) {
Log.w("Save attachment uri=" + uri);
throw new IllegalArgumentException(context.getString(R.string.title_no_stream));
}
DB db = DB.getInstance(context);
EntityAttachment attachment = db.attachment().getAttachment(id);
if (attachment == null)
return null;
File file = attachment.getFile(context);
OutputStream os = null;
InputStream is = null;
try {
os = context.getContentResolver().openOutputStream(uri);
is = new FileInputStream(file);
if (os == null)
throw new FileNotFoundException(uri.toString());
byte[] buffer = new byte[Helper.BUFFER_SIZE];
int read;
while ((read = is.read(buffer)) != -1)
os.write(buffer, 0, read);
} finally {
try {
if (os != null)
os.close();
} catch (Throwable ex) {
Log.w(ex);
}
try {
if (is != null)
is.close();
} catch (Throwable ex) {
Log.w(ex);
}
}
return null;
}
@Override
protected void onExecuted(Bundle args, Void data) {
ToastEx.makeText(getContext(), R.string.title_attachment_saved, Toast.LENGTH_LONG).show();
}
@Override
protected void onException(Bundle args, Throwable ex) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
if (ex instanceof RecoverableSecurityException) {
handle((RecoverableSecurityException) ex);
return;
}
boolean report = !(ex instanceof IllegalArgumentException ||
ex instanceof FileNotFoundException ||
ex instanceof SecurityException);
Log.unexpectedError(getParentFragmentManager(), ex, report);
}
}.execute(this, args, "attachment:save");
}
private void onSaveAttachments(Intent data) {
long message = getArguments().getLong("selected_message", -1L);
Bundle args = new Bundle();
args.putLong("id", message);
args.putParcelable("uri", data.getData());
new SimpleTask<Void>() {
@Override
protected Void onExecute(Context context, Bundle args) throws Throwable {
long id = args.getLong("id");
Uri uri = args.getParcelable("uri");
if (uri == null)
throw new FileNotFoundException();
if (!"content".equals(uri.getScheme())) {
Log.w("Save attachment uri=" + uri);
throw new IllegalArgumentException(context.getString(R.string.title_no_stream));
}
DB db = DB.getInstance(context);
DocumentFile tree = DocumentFile.fromTreeUri(context, uri);
List<EntityAttachment> attachments = db.attachment().getAttachments(id);
for (EntityAttachment attachment : attachments)
if (attachment.subsequence == null) {
File file = attachment.getFile(context);
String name = Helper.sanitizeFilename(attachment.name);
if (TextUtils.isEmpty(name))
name = Long.toString(attachment.id);
DocumentFile document = tree.createFile(attachment.getMimeType(), name);
if (document == null)
throw new FileNotFoundException("Could not save " + uri + ":" + name);
OutputStream os = null;
InputStream is = null;
try {
os = context.getContentResolver().openOutputStream(document.getUri());
is = new FileInputStream(file);
if (os == null)
throw new FileNotFoundException(uri.toString());
byte[] buffer = new byte[Helper.BUFFER_SIZE];
int read;
while ((read = is.read(buffer)) != -1)
os.write(buffer, 0, read);
} finally {
try {
if (os != null)
os.close();
} catch (Throwable ex) {
Log.w(ex);
}
try {
if (is != null)
is.close();
} catch (Throwable ex) {
Log.w(ex);
}
}
}
return null;
}
@Override
protected void onExecuted(Bundle args, Void data) {
ToastEx.makeText(getContext(), R.string.title_attachments_saved, Toast.LENGTH_LONG).show();
}
@Override
protected void onException(Bundle args, Throwable ex) {
Log.w(ex);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
if (ex instanceof RecoverableSecurityException) {
handle((RecoverableSecurityException) ex);
return;
}
boolean report = !(ex instanceof IllegalArgumentException ||
ex instanceof FileNotFoundException ||
ex instanceof SecurityException);
Log.unexpectedError(getParentFragmentManager(), ex, report);
}
}.execute(this, args, "attachments:save");
}
@RequiresApi(api = Build.VERSION_CODES.Q)
private void handle(RecoverableSecurityException ex) {
new AlertDialog.Builder(getContext())
.setMessage(ex.getMessage())
.setPositiveButton(ex.getUserAction().getTitle(), new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
try {
startIntentSenderForResult(
ex.getUserAction().getActionIntent().getIntentSender(),
REQUEST_RECOVERABLE_PERMISSION,
null, 0, 0, 0,
Helper.getBackgroundActivityOptions());
} catch (IntentSender.SendIntentException ex) {
Log.w(ex);
}
}
})
.setNegativeButton(android.R.string.cancel, null)
.show();
}
Handler getMainHandler() {
return ApplicationEx.getMainHandler();
}
}