package com.fsck.k9.activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.content.res.Configuration;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.util.Config;
import android.util.Log;
import android.view.*;
import android.view.View.OnClickListener;
import android.widget.*;
import com.fsck.k9.*;
import com.fsck.k9.controller.MessagingController;
import com.fsck.k9.controller.MessagingListener;
import com.fsck.k9.crypto.CryptoProvider;
import com.fsck.k9.crypto.PgpData;
import com.fsck.k9.helper.Contacts;
import com.fsck.k9.helper.Utility;
import com.fsck.k9.mail.*;
import com.fsck.k9.mail.internet.MimeUtility;
import com.fsck.k9.mail.store.LocalStore.LocalAttachmentBodyPart;
import com.fsck.k9.mail.store.LocalStore.LocalMessage;
import com.fsck.k9.mail.store.StorageManager;
import com.fsck.k9.view.AccessibleWebView;
import com.fsck.k9.view.AttachmentView;
import com.fsck.k9.view.MessageWebView;
import com.fsck.k9.view.ToggleScrollView;
import com.fsck.k9.view.MessageHeader;
import java.io.Serializable;
import java.util.*;
public class MessageView extends K9Activity implements OnClickListener
{
private static final String EXTRA_MESSAGE_REFERENCE = "com.fsck.k9.MessageView_messageReference";
private static final String EXTRA_MESSAGE_REFERENCES = "com.fsck.k9.MessageView_messageReferences";
private static final String EXTRA_NEXT = "com.fsck.k9.MessageView_next";
private static final String SHOW_PICTURES = "showPictures";
private static final String STATE_PGP_DATA = "pgpData";
private static final int ACTIVITY_CHOOSE_FOLDER_MOVE = 1;
private static final int ACTIVITY_CHOOSE_FOLDER_COPY = 2;
private View mDecryptLayout;
private Button mDecryptButton;
private LinearLayout mCryptoSignatureLayout = null;
private ImageView mCryptoSignatureStatusImage = null;
private TextView mCryptoSignatureUserId = null;
private TextView mCryptoSignatureUserIdRest = null;
private MessageWebView mMessageContentView;
private boolean mScreenReaderEnabled;
private AccessibleWebView mAccessibleMessageContentView;
private MessageHeader mHeaderContainer;
private LinearLayout mAttachments;
private View mShowPicturesSection;
private boolean mShowPictures;
private Button mDownloadRemainder;
View next;
View previous;
private View mDelete;
private View mArchive;
private View mMove;
private View mSpam;
private ToggleScrollView mToggleScrollView;
private Account mAccount;
private MessageReference mMessageReference;
private ArrayList<MessageReference> mMessageReferences;
private Message mMessage;
private PgpData mPgpData = null;
private static final int PREVIOUS = 1;
private static final int NEXT = 2;
private int mLastDirection = PREVIOUS;
private MessagingController mController = MessagingController.getInstance(getApplication());
private MessageReference mNextMessage = null;
private MessageReference mPreviousMessage = null;
private Menu optionsMenu = null;
private Listener mListener = new Listener();
private MessageViewHandler mHandler = new MessageViewHandler();
private Contacts mContacts;
private StorageManager.StorageListener mStorageListener = new StorageListenerImplementation();
private final class StorageListenerImplementation implements StorageManager.StorageListener
{
@Override
public void onUnmount(String providerId)
{
if (!providerId.equals(mAccount.getLocalStorageProviderId()))
{
return;
}
runOnUiThread(new Runnable()
{
@Override
public void run()
{
onAccountUnavailable();
}
});
}
@Override
public void onMount(String providerId) {} // no-op
}
@Override
public boolean dispatchTouchEvent(MotionEvent ev)
{
if (ev.getAction() == MotionEvent.ACTION_UP)
{
// Text selection is finished. Allow scrolling again.
mToggleScrollView.setScrolling(true);
}
else if (K9.zoomControlsEnabled())
{
// If we have system zoom controls enabled, disable scrolling so the screen isn't wiggling around while
// trying to zoom.
if (ev.getAction() == MotionEvent.ACTION_POINTER_2_DOWN)
{
mToggleScrollView.setScrolling(false);
}
else if (ev.getAction() == MotionEvent.ACTION_POINTER_2_UP)
{
mToggleScrollView.setScrolling(true);
}
}
return super.dispatchTouchEvent(ev);
}
@Override
public boolean dispatchKeyEvent(KeyEvent event)
{
boolean ret = false;
if (KeyEvent.ACTION_DOWN == event.getAction())
{
ret = onKeyDown(event.getKeyCode(), event);
}
if (!ret)
{
ret = super.dispatchKeyEvent(event);
}
return ret;
}
@Override
public boolean onKeyDown(final int keyCode, final KeyEvent event)
{
switch (keyCode)
{
case KeyEvent.KEYCODE_VOLUME_UP:
{
if (K9.useVolumeKeysForNavigationEnabled())
{
onNext();
return true;
}
}
case KeyEvent.KEYCODE_VOLUME_DOWN:
{
if (K9.useVolumeKeysForNavigationEnabled())
{
onPrevious();
return true;
}
}
case KeyEvent.KEYCODE_SHIFT_LEFT:
case KeyEvent.KEYCODE_SHIFT_RIGHT:
{
/*
* Selecting text started via shift key. Disable scrolling as
* this causes problems when selecting text.
*/
mToggleScrollView.setScrolling(false);
break;
}
case KeyEvent.KEYCODE_DEL:
{
onDelete();
return true;
}
case KeyEvent.KEYCODE_D:
{
onDelete();
return true;
}
case KeyEvent.KEYCODE_F:
{
onForward();
return true;
}
case KeyEvent.KEYCODE_A:
{
onReplyAll();
return true;
}
case KeyEvent.KEYCODE_R:
{
onReply();
return true;
}
case KeyEvent.KEYCODE_G:
{
onFlag();
return true;
}
case KeyEvent.KEYCODE_M:
{
onMove();
return true;
}
case KeyEvent.KEYCODE_S:
{
onRefile(mAccount.getSpamFolderName());
return true;
}
case KeyEvent.KEYCODE_V:
{
onRefile(mAccount.getArchiveFolderName());
return true;
}
case KeyEvent.KEYCODE_Y:
{
onCopy();
return true;
}
case KeyEvent.KEYCODE_J:
case KeyEvent.KEYCODE_P:
{
onPrevious();
return true;
}
case KeyEvent.KEYCODE_N:
case KeyEvent.KEYCODE_K:
{
onNext();
return true;
}
case KeyEvent.KEYCODE_Z:
{
mHandler.post(new Runnable()
{
public void run()
{
if (mScreenReaderEnabled)
{
mAccessibleMessageContentView.zoomIn();
}
else
{
if (event.isShiftPressed())
{
mMessageContentView.zoomIn();
}
else
{
mMessageContentView.zoomOut();
}
}
}
});
return true;
}
case KeyEvent.KEYCODE_H:
{
Toast toast = Toast.makeText(this, R.string.message_help_key, Toast.LENGTH_LONG);
toast.show();
return true;
}
}
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event)
{
// Swallow these events too to avoid the audible notification of a volume change
if (K9.useVolumeKeysForNavigationEnabled())
{
if ((keyCode == KeyEvent.KEYCODE_VOLUME_UP) || (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN))
{
if (K9.DEBUG)
Log.v(K9.LOG_TAG, "Swallowed key up.");
return true;
}
}
return super.onKeyUp(keyCode, event);
}
class MessageViewHandler extends Handler
{
public void setHeaders (final Message message)
{
runOnUiThread(new Runnable()
{
public void run()
{
try
{
mHeaderContainer.populate( message,mAccount);
mHeaderContainer.setOnFlagListener( new OnClickListener()
{
@Override public void onClick(View v)
{
if (mMessage != null)
{
onFlag();
}
}
});
}
catch (Exception me)
{
Log.e(K9.LOG_TAG, "setHeaders - error", me);
}
if (mMessage.isSet(Flag.X_DOWNLOADED_FULL))
{
mDownloadRemainder.setVisibility(View.GONE);
}
else
{
mDownloadRemainder.setEnabled(true);
mDownloadRemainder.setVisibility(View.VISIBLE);
}
}
});
}
public void progress(final boolean progress)
{
runOnUiThread(new Runnable()
{
public void run()
{
setProgressBarIndeterminateVisibility(progress);
}
});
}
public void addAttachment(final View attachmentView)
{
runOnUiThread(new Runnable()
{
public void run()
{
mAttachments.addView(attachmentView);
mAttachments.setVisibility(View.VISIBLE);
}
});
}
public void removeAllAttachments()
{
runOnUiThread(new Runnable()
{
public void run()
{
for (int i = 0, count = mAttachments.getChildCount(); i < count; i++)
{
mAttachments.removeView(mAttachments.getChildAt(i));
}
}
});
}
public void setAttachmentsEnabled(final boolean enabled)
{
runOnUiThread(new Runnable()
{
public void run()
{
for (int i = 0, count = mAttachments.getChildCount(); i < count; i++)
{
AttachmentView attachment = (AttachmentView) mAttachments.getChildAt(i);
attachment.viewButton.setEnabled(enabled);
attachment.downloadButton.setEnabled(enabled);
if (enabled)
{
attachment.checkViewable();
}
}
}
});
}
public void networkError()
{
runOnUiThread(new Runnable()
{
public void run()
{
Toast.makeText(MessageView.this,
R.string.status_network_error, Toast.LENGTH_LONG).show();
}
});
}
public void invalidIdError()
{
runOnUiThread(new Runnable()
{
public void run()
{
Toast.makeText(MessageView.this,
R.string.status_invalid_id_error, Toast.LENGTH_LONG).show();
}
});
}
public void fetchingAttachment()
{
runOnUiThread(new Runnable()
{
public void run()
{
Toast.makeText(MessageView.this,
getString(R.string.message_view_fetching_attachment_toast),
Toast.LENGTH_SHORT).show();
}
});
}
public void showShowPictures(final boolean show)
{
runOnUiThread(new Runnable()
{
public void run()
{
mShowPicturesSection.setVisibility(show ? View.VISIBLE : View.GONE);
}
});
}
}
public static void actionView(Context context, MessageReference messRef, List<MessageReference> messReferences)
{
actionView(context, messRef, messReferences, null);
}
public static void actionView(Context context, MessageReference messRef, List<MessageReference> messReferences, Bundle extras)
{
Intent i = new Intent(context, MessageView.class);
i.putExtra(EXTRA_MESSAGE_REFERENCE, messRef);
i.putExtra(EXTRA_MESSAGE_REFERENCES, (Serializable) messReferences);
if (extras != null)
{
i.putExtras(extras);
}
context.startActivity(i);
}
@Override
public void onCreate(Bundle icicle)
{
super.onCreate(icicle, false);
mContacts = Contacts.getInstance(this);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.message_view);
mMessageContentView = (MessageWebView) findViewById(R.id.message_content);
mAccessibleMessageContentView = (AccessibleWebView) findViewById(R.id.accessible_message_content);
mAttachments = (LinearLayout) findViewById(R.id.attachments);
mHeaderContainer = (MessageHeader) findViewById(R.id.header_container);
mScreenReaderEnabled = isScreenReaderActive();
if (mScreenReaderEnabled)
{
mAccessibleMessageContentView.setVisibility(View.VISIBLE);
mMessageContentView.setVisibility(View.GONE);
}
else
{
mAccessibleMessageContentView.setVisibility(View.GONE);
mMessageContentView.setVisibility(View.VISIBLE);
}
setupDecryptLayout();
setTitle("");
Intent intent = getIntent();
Uri uri = intent.getData();
if (icicle != null)
{
restoreMessageReferences(icicle);
mPgpData = (PgpData) icicle.getSerializable(STATE_PGP_DATA);
updateDecryptLayout();
}
else
{
if (uri == null)
{
restoreMessageReferencesExtra(intent);
}
else
{
List<String> segmentList = uri.getPathSegments();
if (segmentList.size() != 3)
{
//TODO: Use ressource to externalize message
Toast.makeText(this, "Invalid intent uri: " + uri.toString(), Toast.LENGTH_LONG).show();
return;
}
String accountId = segmentList.get(0);
Collection<Account> accounts = Preferences.getPreferences(this).getAvailableAccounts();
boolean found = false;
for (Account account : accounts)
{
if (String.valueOf(account.getAccountNumber()).equals(accountId))
{
mAccount = account;
found = true;
break;
}
}
if (!found)
{
//TODO: Use ressource to externalize message
Toast.makeText(this, "Invalid account id: " + accountId, Toast.LENGTH_LONG).show();
return;
}
mMessageReference = new MessageReference();
mMessageReference.accountUuid = mAccount.getUuid();
mMessageReference.folderName = segmentList.get(1);
mMessageReference.uid = segmentList.get(2);
mMessageReferences = new ArrayList<MessageReference>();
}
}
mAccount = Preferences.getPreferences(this).getAccount(mMessageReference.accountUuid);
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "MessageView got message " + mMessageReference);
if (intent.getBooleanExtra(EXTRA_NEXT, false))
{
next.requestFocus();
}
setupHeaderLayout();
setupButtonViews();
displayMessage(mMessageReference);
}
@SuppressWarnings("unchecked")
private void restoreMessageReferences(Bundle icicle)
{
mMessageReference = (MessageReference) icicle.getSerializable(EXTRA_MESSAGE_REFERENCE);
mMessageReferences = (ArrayList<MessageReference>) icicle.getSerializable(EXTRA_MESSAGE_REFERENCES);
}
@SuppressWarnings("unchecked")
private void restoreMessageReferencesExtra(Intent intent)
{
mMessageReference = (MessageReference) intent.getSerializableExtra(EXTRA_MESSAGE_REFERENCE);
mMessageReferences = (ArrayList<MessageReference>) intent.getSerializableExtra(EXTRA_MESSAGE_REFERENCES);
}
private void setupButtonViews()
{
setOnClickListener(R.id.from);
setOnClickListener(R.id.reply);
setOnClickListener(R.id.reply_all);
setOnClickListener(R.id.delete);
setOnClickListener(R.id.forward);
setOnClickListener(R.id.next);
setOnClickListener(R.id.previous);
setOnClickListener(R.id.archive);
setOnClickListener(R.id.move);
setOnClickListener(R.id.spam);
// To show full header
setOnClickListener(R.id.header_container);
setOnClickListener(R.id.reply_scrolling);
// setOnClickListener(R.id.reply_all_scrolling);
setOnClickListener(R.id.delete_scrolling);
setOnClickListener(R.id.forward_scrolling);
setOnClickListener(R.id.next_scrolling);
setOnClickListener(R.id.previous_scrolling);
setOnClickListener(R.id.archive_scrolling);
setOnClickListener(R.id.move_scrolling);
setOnClickListener(R.id.spam_scrolling);
setOnClickListener(R.id.show_pictures);
setOnClickListener(R.id.download_remainder);
// Perhaps the ScrollButtons should be global, instead of account-specific
Account.ScrollButtons scrollButtons = mAccount.getScrollMessageViewButtons();
if
((Account.ScrollButtons.ALWAYS == scrollButtons)
||
(Account.ScrollButtons.KEYBOARD_AVAILABLE == scrollButtons &&
(this.getResources().getConfiguration().hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_NO)))
{
scrollButtons();
}
else // never or the keyboard is open
{
staticButtons();
}
Account.ScrollButtons scrollMoveButtons = mAccount.getScrollMessageViewMoveButtons();
if ((Account.ScrollButtons.ALWAYS == scrollMoveButtons)
|| (Account.ScrollButtons.KEYBOARD_AVAILABLE == scrollMoveButtons &&
(this.getResources().getConfiguration().hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_NO)))
{
scrollMoveButtons();
}
else
{
staticMoveButtons();
}
if (!mAccount.getEnableMoveButtons())
{
View buttons = findViewById(R.id.move_buttons);
if (buttons != null)
{
buttons.setVisibility(View.GONE);
}
buttons = findViewById(R.id.scrolling_move_buttons);
if (buttons != null)
{
buttons.setVisibility(View.GONE);
}
}
}
private void setupHeaderLayout()
{
mShowPicturesSection = findViewById(R.id.show_pictures_section);
mShowPictures = false;
mDownloadRemainder = (Button) findViewById(R.id.download_remainder);
mMessageContentView.configure();
mTopView = mToggleScrollView = (ToggleScrollView) findViewById(R.id.top_view);
mAttachments.setVisibility(View.GONE);
}
private void setupDecryptLayout()
{
mDecryptLayout = findViewById(R.id.layout_decrypt);
mDecryptButton = (Button) findViewById(R.id.btn_decrypt);
mDecryptButton.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
try
{
String data = null;
Part part = MimeUtility.findFirstPartByMimeType(mMessage, "text/plain");
if (part == null)
{
part = MimeUtility.findFirstPartByMimeType(mMessage, "text/html");
}
if (part != null)
{
data = MimeUtility.getTextFromPart(part);
}
mAccount.getCryptoProvider().decrypt(MessageView.this, data, mPgpData);
}
catch (MessagingException me)
{
Log.e(K9.LOG_TAG, "Unable to decrypt email.", me);
}
}
});
mCryptoSignatureLayout = (LinearLayout) findViewById(R.id.crypto_signature);
mCryptoSignatureStatusImage = (ImageView) findViewById(R.id.ic_crypto_signature_status);
mCryptoSignatureUserId = (TextView) findViewById(R.id.userId);
mCryptoSignatureUserIdRest = (TextView) findViewById(R.id.userIdRest);
mCryptoSignatureLayout.setVisibility(View.INVISIBLE);
}
private boolean isScreenReaderActive()
{
final String SCREENREADER_INTENT_ACTION = "android.accessibilityservice.AccessibilityService";
final String SCREENREADER_INTENT_CATEGORY = "android.accessibilityservice.category.FEEDBACK_SPOKEN";
// Restrict the set of intents to only accessibility services that have
// the category FEEDBACK_SPOKEN (aka, screen readers).
Intent screenReaderIntent = new Intent(SCREENREADER_INTENT_ACTION);
screenReaderIntent.addCategory(SCREENREADER_INTENT_CATEGORY);
List<ResolveInfo> screenReaders = getPackageManager().queryIntentServices(
screenReaderIntent, 0);
ContentResolver cr = getContentResolver();
Cursor cursor = null;
int status = 0;
for (ResolveInfo screenReader : screenReaders)
{
// All screen readers are expected to implement a content provider
// that responds to
// content://<nameofpackage>.providers.StatusProvider
cursor = cr.query(Uri.parse("content://" + screenReader.serviceInfo.packageName
+ ".providers.StatusProvider"), null, null, null, null);
if (cursor != null)
{
cursor.moveToFirst();
// These content providers use a special cursor that only has
// one element,
// an integer that is 1 if the screen reader is running.
status = cursor.getInt(0);
cursor.close();
if (status == 1)
{
return true;
}
}
}
return false;
}
@Override
protected void onSaveInstanceState(Bundle outState)
{
outState.putSerializable(EXTRA_MESSAGE_REFERENCE, mMessageReference);
outState.putSerializable(EXTRA_MESSAGE_REFERENCES, mMessageReferences);
outState.putSerializable(STATE_PGP_DATA, mPgpData);
outState.putBoolean(SHOW_PICTURES, mShowPictures);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState)
{
super.onRestoreInstanceState(savedInstanceState);
setLoadPictures(savedInstanceState.getBoolean(SHOW_PICTURES));
initializeCrypto((PgpData) savedInstanceState.getSerializable(STATE_PGP_DATA));
updateDecryptLayout();
}
private void displayMessage(MessageReference ref)
{
mMessageReference = ref;
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "MessageView displaying message " + mMessageReference);
mAccount = Preferences.getPreferences(this).getAccount(mMessageReference.accountUuid);
mTopView.setVisibility(View.GONE);
mTopView.scrollTo(0, 0);
mMessageContentView.scrollTo(0, 0);
mHeaderContainer.setVisibility(View.GONE);
mMessageContentView.clearView();
setLoadPictures(false);
mAttachments.removeAllViews();
findSurroundingMessagesUid();
// start with fresh, empty PGP data
initializeCrypto(null);
mTopView.setVisibility(View.VISIBLE);
mController.loadMessageForView(
mAccount,
mMessageReference.folderName,
mMessageReference.uid,
mListener);
setupDisplayMessageButtons();
}
private void setupDisplayMessageButtons()
{
mDelete.setEnabled(true);
next.setEnabled(mNextMessage != null);
previous.setEnabled(mPreviousMessage != null);
// If moving isn't support at all, then all of them must be disabled anyway.
if (mController.isMoveCapable(mAccount))
{
// Only enable the button if the Archive folder is not the current folder and not NONE.
mArchive.setEnabled(!mMessageReference.folderName.equals(mAccount.getArchiveFolderName()) &&
!K9.FOLDER_NONE.equalsIgnoreCase(mAccount.getArchiveFolderName()));
// Only enable the button if the Spam folder is not the current folder and not NONE.
mSpam.setEnabled(!mMessageReference.folderName.equals(mAccount.getSpamFolderName()) &&
!K9.FOLDER_NONE.equalsIgnoreCase(mAccount.getSpamFolderName()));
mMove.setEnabled(true);
}
else
{
disableMoveButtons();
}
}
private void staticButtons()
{
View buttons = findViewById(R.id.scrolling_buttons);
if (buttons != null)
{
buttons.setVisibility(View.GONE);
}
next = findViewById(R.id.next);
previous = findViewById(R.id.previous);
mDelete = findViewById(R.id.delete);
}
private void scrollButtons()
{
View buttons = findViewById(R.id.bottom_buttons);
if (buttons != null)
{
buttons.setVisibility(View.GONE);
}
next = findViewById(R.id.next_scrolling);
previous = findViewById(R.id.previous_scrolling);
mDelete = findViewById(R.id.delete_scrolling);
}
private void staticMoveButtons()
{
View buttons = findViewById(R.id.scrolling_move_buttons);
if (buttons != null)
{
buttons.setVisibility(View.GONE);
}
mArchive = findViewById(R.id.archive);
mMove = findViewById(R.id.move);
mSpam = findViewById(R.id.spam);
}
private void scrollMoveButtons()
{
View buttons = findViewById(R.id.move_buttons);
if (buttons != null)
{
buttons.setVisibility(View.GONE);
}
mArchive = findViewById(R.id.archive_scrolling);
mMove = findViewById(R.id.move_scrolling);
mSpam = findViewById(R.id.spam_scrolling);
}
private void disableButtons()
{
setLoadPictures(false);
disableMoveButtons();
next.setEnabled(false);
previous.setEnabled(false);
mDelete.setEnabled(false);
}
private void disableMoveButtons()
{
mArchive.setEnabled(false);
mMove.setEnabled(false);
mSpam.setEnabled(false);
}
private void setOnClickListener(int viewCode)
{
View thisView = findViewById(viewCode);
if (thisView != null)
{
thisView.setOnClickListener(this);
}
}
private void findSurroundingMessagesUid()
{
mNextMessage = mPreviousMessage = null;
int i = mMessageReferences.indexOf(mMessageReference);
if (i < 0)
return;
if (i != 0)
mNextMessage = mMessageReferences.get(i - 1);
if (i != (mMessageReferences.size() - 1))
mPreviousMessage = mMessageReferences.get(i + 1);
}
@Override
public void onResume()
{
super.onResume();
if (!mAccount.isAvailable(this))
{
onAccountUnavailable();
return;
}
StorageManager.getInstance(getApplication()).addListener(mStorageListener);
}
@Override
protected void onPause()
{
StorageManager.getInstance(getApplication()).removeListener(mStorageListener);
super.onPause();
}
protected void onAccountUnavailable()
{
finish();
// TODO inform user about account unavailability using Toast
Accounts.listAccounts(this);
}
/**
* Called from UI thread when user select Delete
*/
private void onDelete()
{
if (K9.confirmDelete())
{
showDialog(R.id.dialog_confirm_delete);
}
else
{
delete();
}
}
/**
* @param id
* @return Never <code>null</code>
*/
protected Dialog createConfirmDeleteDialog(final int id)
{
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.dialog_confirm_delete_title);
builder.setMessage(R.string.dialog_confirm_delete_message);
builder.setPositiveButton(R.string.dialog_confirm_delete_confirm_button,
new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
dismissDialog(id);
delete();
}
});
builder.setNegativeButton(R.string.dialog_confirm_delete_cancel_button,
new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
dismissDialog(id);
}
});
return builder.create();
}
private void delete()
{
if (mMessage != null)
{
// Disable the delete button after it's tapped (to try to prevent
// accidental clicks)
disableButtons();
Message messageToDelete = mMessage;
showNextMessageOrReturn();
mController.deleteMessages(
new Message[] {messageToDelete},
null);
}
}
private void onRefile(String dstFolder)
{
if (!mController.isMoveCapable(mAccount))
{
return;
}
if (!mController.isMoveCapable(mMessage))
{
Toast toast = Toast.makeText(this, R.string.move_copy_cannot_copy_unsynced_message, Toast.LENGTH_LONG);
toast.show();
return;
}
String srcFolder = mMessageReference.folderName;
Message messageToMove = mMessage;
if (K9.FOLDER_NONE.equalsIgnoreCase(dstFolder))
{
return;
}
showNextMessageOrReturn();
mController
.moveMessage(mAccount, srcFolder, messageToMove, dstFolder, null);
}
private void showNextMessageOrReturn()
{
if (K9.messageViewReturnToList())
{
finish();
}
else
{
showNextMessage();
}
}
private void showNextMessage()
{
findSurroundingMessagesUid();
mMessageReferences.remove(mMessageReference);
if (mLastDirection == NEXT && mNextMessage != null)
{
onNext();
}
else if (mLastDirection == PREVIOUS && mPreviousMessage != null)
{
onPrevious();
}
else if (mNextMessage != null)
{
onNext();
}
else if (mPreviousMessage != null)
{
onPrevious();
}
else
{
finish();
}
}
private void onReply()
{
if (mMessage != null)
{
MessageCompose.actionReply(this, mAccount, mMessage, false, mPgpData.getDecryptedData());
finish();
}
}
private void onReplyAll()
{
if (mMessage != null)
{
MessageCompose.actionReply(this, mAccount, mMessage, true, mPgpData.getDecryptedData());
finish();
}
}
private void onForward()
{
if (mMessage != null)
{
MessageCompose.actionForward(this, mAccount, mMessage, mPgpData.getDecryptedData());
finish();
}
}
private void onFlag()
{
if (mMessage != null)
{
mController.setFlag(mAccount,
mMessage.getFolder().getName(), new String[] {mMessage.getUid()}, Flag.FLAGGED, !mMessage.isSet(Flag.FLAGGED));
try
{
mMessage.setFlag(Flag.FLAGGED, !mMessage.isSet(Flag.FLAGGED));
mHandler.setHeaders( mMessage);
prepareMenuItems();
}
catch (MessagingException me)
{
Log.e(K9.LOG_TAG, "Could not set flag on local message", me);
}
}
}
private void onMove()
{
if ((!mController.isMoveCapable(mAccount))
|| (mMessage == null))
{
return;
}
if (!mController.isMoveCapable(mMessage))
{
Toast toast = Toast.makeText(this, R.string.move_copy_cannot_copy_unsynced_message, Toast.LENGTH_LONG);
toast.show();
return;
}
startRefileActivity(ACTIVITY_CHOOSE_FOLDER_MOVE);
}
private void onCopy()
{
if ((!mController.isCopyCapable(mAccount))
|| (mMessage == null))
{
return;
}
if (!mController.isCopyCapable(mMessage))
{
Toast toast = Toast.makeText(this, R.string.move_copy_cannot_copy_unsynced_message, Toast.LENGTH_LONG);
toast.show();
return;
}
startRefileActivity(ACTIVITY_CHOOSE_FOLDER_COPY);
}
private void startRefileActivity(int activity)
{
Intent intent = new Intent(this, ChooseFolder.class);
intent.putExtra(ChooseFolder.EXTRA_ACCOUNT, mAccount.getUuid());
intent.putExtra(ChooseFolder.EXTRA_CUR_FOLDER, mMessageReference.folderName);
intent.putExtra(ChooseFolder.EXTRA_SEL_FOLDER, mAccount.getLastSelectedFolderName());
intent.putExtra(ChooseFolder.EXTRA_MESSAGE, mMessageReference);
startActivityForResult(intent, activity);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
if (mAccount.getCryptoProvider().onActivityResult(this, requestCode, resultCode, data, mPgpData))
{
return;
}
if (resultCode != RESULT_OK)
return;
switch (requestCode)
{
case ACTIVITY_CHOOSE_FOLDER_MOVE:
case ACTIVITY_CHOOSE_FOLDER_COPY:
if (data == null)
return;
String destFolderName = data.getStringExtra(ChooseFolder.EXTRA_NEW_FOLDER);
String srcFolderName = data.getStringExtra(ChooseFolder.EXTRA_CUR_FOLDER);
MessageReference ref = (MessageReference) data.getSerializableExtra(ChooseFolder.EXTRA_MESSAGE);
if (mMessageReference.equals(ref))
{
mAccount.setLastSelectedFolderName(destFolderName);
switch (requestCode)
{
case ACTIVITY_CHOOSE_FOLDER_MOVE:
Message messageToMove = mMessage;
showNextMessageOrReturn();
mController.moveMessage(mAccount,
srcFolderName, messageToMove, destFolderName, null);
break;
case ACTIVITY_CHOOSE_FOLDER_COPY:
mController.copyMessage(mAccount,
srcFolderName, mMessage, destFolderName, null);
break;
}
}
break;
}
}
private void onSendAlternate()
{
if (mMessage != null)
{
mController.sendAlternate(this, mAccount, mMessage);
}
}
@Override
protected void onNext()
{
if (mNextMessage == null)
{
Toast.makeText(this, getString(R.string.end_of_folder), Toast.LENGTH_SHORT).show();
return;
}
mLastDirection = NEXT;
disableButtons();
if (K9.showAnimations())
{
mTopView.startAnimation(outToLeftAnimation());
}
displayMessage(mNextMessage);
next.requestFocus();
}
@Override
protected void onPrevious()
{
if (mPreviousMessage == null)
{
Toast.makeText(this, getString(R.string.end_of_folder), Toast.LENGTH_SHORT).show();
return;
}
mLastDirection = PREVIOUS;
disableButtons();
if (K9.showAnimations())
{
mTopView.startAnimation(inFromRightAnimation());
}
displayMessage(mPreviousMessage);
previous.requestFocus();
}
private void onMarkAsUnread()
{
if (mMessage != null)
{
mController.setFlag(
mAccount,
mMessageReference.folderName,
new String[] { mMessage.getUid() },
Flag.SEEN,
false);
try
{
mMessage.setFlag(Flag.SEEN, false);
mHandler.setHeaders(mMessage);
String subject = mMessage.getSubject();
setTitle(subject);
}
catch (Exception e)
{
Log.e(K9.LOG_TAG, "Unable to unset SEEN flag on message", e);
}
}
}
private void onDownloadRemainder()
{
if (mMessage.isSet(Flag.X_DOWNLOADED_FULL))
{
return;
}
mDownloadRemainder.setEnabled(false);
mController.loadMessageForViewRemote(
mAccount,
mMessageReference.folderName,
mMessageReference.uid,
mListener);
}
private void onShowPictures()
{
// TODO: Download attachments that are used as inline image
setLoadPictures(true);
}
/**
* Enable/disable image loading of the WebView. But always hide the
* "Show pictures" button!
*
* @param enable true, if (network) images should be loaded.
* false, otherwise.
*/
private void setLoadPictures(boolean enable)
{
mMessageContentView.blockNetworkData(!enable);
mShowPictures = enable;
mHandler.showShowPictures(false);
}
public void onClick(View view)
{
switch (view.getId())
{
case R.id.reply:
case R.id.reply_scrolling:
onReply();
break;
case R.id.reply_all:
onReplyAll();
break;
case R.id.delete:
case R.id.delete_scrolling:
onDelete();
break;
case R.id.forward:
case R.id.forward_scrolling:
onForward();
break;
case R.id.archive:
case R.id.archive_scrolling:
onRefile(mAccount.getArchiveFolderName());
break;
case R.id.spam:
case R.id.spam_scrolling:
onRefile(mAccount.getSpamFolderName());
break;
case R.id.move:
case R.id.move_scrolling:
onMove();
break;
case R.id.next:
case R.id.next_scrolling:
onNext();
break;
case R.id.previous:
case R.id.previous_scrolling:
onPrevious();
break;
case R.id.download:
((AttachmentView)view).saveFile();
break;
case R.id.show_pictures:
onShowPictures();
break;
case R.id.download_remainder:
onDownloadRemainder();
break;
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item)
{
switch (item.getItemId())
{
case R.id.delete:
onDelete();
break;
case R.id.reply:
onReply();
break;
case R.id.reply_all:
onReplyAll();
break;
case R.id.forward:
onForward();
break;
case R.id.send_alternate:
onSendAlternate();
break;
case R.id.mark_as_unread:
onMarkAsUnread();
break;
case R.id.flag:
onFlag();
break;
case R.id.archive:
onRefile(mAccount.getArchiveFolderName());
break;
case R.id.spam:
onRefile(mAccount.getSpamFolderName());
break;
case R.id.move:
onMove();
break;
case R.id.copy:
onCopy();
break;
case R.id.show_full_header:
runOnUiThread(new Runnable()
{
@Override public void run()
{
mHeaderContainer.onShowAdditionalHeaders();
}
});
break;
case R.id.select_text:
mToggleScrollView.setScrolling(false);
mMessageContentView.emulateShiftHeld();
break;
default:
return super.onOptionsItemSelected(item);
}
return true;
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
super.onCreateOptionsMenu(menu);
getMenuInflater().inflate(R.menu.message_view_option, menu);
optionsMenu = menu;
prepareMenuItems();
if (!mController.isCopyCapable(mAccount))
{
menu.findItem(R.id.copy).setVisible(false);
}
if (!mController.isMoveCapable(mAccount))
{
menu.findItem(R.id.move).setVisible(false);
menu.findItem(R.id.archive).setVisible(false);
menu.findItem(R.id.spam).setVisible(false);
}
if (K9.FOLDER_NONE.equalsIgnoreCase(mAccount.getArchiveFolderName()))
{
menu.findItem(R.id.archive).setVisible(false);
}
if (K9.FOLDER_NONE.equalsIgnoreCase(mAccount.getSpamFolderName()))
{
menu.findItem(R.id.spam).setVisible(false);
}
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu)
{
prepareMenuItems();
return super.onPrepareOptionsMenu(menu);
}
// TODO: when switching to API version 8, override onCreateDialog(int, Bundle)
/**
* @param id The id of the dialog.
* @return The dialog. If you return null, the dialog will not be created.
* @see android.app.Activity#onCreateDialog(int)
*/
@Override
protected Dialog onCreateDialog(final int id)
{
switch (id)
{
case R.id.dialog_confirm_delete:
{
return createConfirmDeleteDialog(id);
}
}
return super.onCreateDialog(id);
}
private void prepareMenuItems()
{
Menu menu = optionsMenu;
if (menu != null)
{
MenuItem flagItem = menu.findItem(R.id.flag);
if (flagItem != null && mMessage != null)
{
flagItem.setTitle((mMessage.isSet(Flag.FLAGGED) ? R.string.unflag_action : R.string.flag_action));
}
MenuItem additionalHeadersItem = menu.findItem(R.id.show_full_header);
if (additionalHeadersItem != null)
{
additionalHeadersItem.setTitle(mHeaderContainer.additionalHeadersVisible() ?
R.string.hide_full_header_action : R.string.show_full_header_action);
}
}
}
public void displayMessage(Account account, String folder, String uid, Message message)
{
try
{
if (MessageView.this.mMessage != null
&& MessageView.this.mMessage.isSet(Flag.X_DOWNLOADED_PARTIAL)
&& message.isSet(Flag.X_DOWNLOADED_FULL))
{
mHandler.setHeaders(message);
}
MessageView.this.mMessage = message;
mHandler.removeAllAttachments();
String text, type;
if (mPgpData.getDecryptedData() != null)
{
text = mPgpData.getDecryptedData();
type = "text/plain";
}
else
{
// getTextForDisplay() always returns HTML-ified content.
text = ((LocalMessage) mMessage).getTextForDisplay();
type = "text/html";
}
if (text != null)
{
final String emailText = text;
final String contentType = type;
mHandler.post(new Runnable()
{
public void run()
{
mTopView.scrollTo(0, 0);
if (mScreenReaderEnabled)
{
mAccessibleMessageContentView.loadDataWithBaseURL("http://",
emailText, contentType, "utf-8", null);
}
else
{
mMessageContentView.loadDataWithBaseURL("http://", emailText,
contentType, "utf-8", null);
mMessageContentView.scrollTo(0, 0);
}
updateDecryptLayout();
}
});
// If the message contains external pictures and the "Show pictures"
// button wasn't already pressed, see if the user's preferences has us
// showing them anyway.
if (Utility.hasExternalImages(text) && !mShowPictures)
{
if ((account.getShowPictures() == Account.ShowPictures.ALWAYS) ||
((account.getShowPictures() == Account.ShowPictures.ONLY_FROM_CONTACTS) &&
mContacts.isInContacts(message.getFrom()[0].getAddress())))
{
onShowPictures();
}
else
{
mHandler.showShowPictures(true);
}
}
}
else
{
mHandler.post(new Runnable()
{
public void run()
{
mMessageContentView.loadUrl("file:///android_asset/empty.html");
updateDecryptLayout();
}
});
}
renderAttachments(mMessage, 0);
}
catch (Exception e)
{
if (Config.LOGV)
{
Log.v(K9.LOG_TAG, "loadMessageForViewBodyAvailable", e);
}
}
}
private void renderAttachments(Part part, int depth) throws MessagingException
{
if (part.getBody() instanceof Multipart)
{
Multipart mp = (Multipart) part.getBody();
for (int i = 0; i < mp.getCount(); i++)
{
renderAttachments(mp.getBodyPart(i), depth + 1);
}
}
else if (part instanceof LocalAttachmentBodyPart)
{
String contentDisposition = MimeUtility.unfoldAndDecode(part.getDisposition());
// Inline parts with a content-id are almost certainly components of an HTML message
// not attachments. Don't show attachment download buttons for them.
if (contentDisposition != null &&
MimeUtility.getHeaderParameter(contentDisposition, null).matches("^(?i:inline)")
&& part.getHeader("Content-ID") != null)
{
return;
}
renderPartAsAttachment(part);
}
}
private void renderPartAsAttachment(Part part) throws MessagingException
{
LayoutInflater inflater = getLayoutInflater();
AttachmentView view = (AttachmentView)inflater.inflate(R.layout.message_view_attachment, null);
if (view.populateFromPart(part, mMessage, mAccount, mController, mListener))
{
mHandler.addAttachment(view);
}
return;
}
class Listener extends MessagingListener
{
@Override
public void loadMessageForViewHeadersAvailable(Account account, String folder, String uid,
final Message message)
{
if (!mMessageReference.uid.equals(uid) || !mMessageReference.folderName.equals(folder)
|| !mMessageReference.accountUuid.equals(account.getUuid()))
{
return;
}
MessageView.this.mMessage = message;
if (!message.isSet(Flag.X_DOWNLOADED_FULL)
&& !message.isSet(Flag.X_DOWNLOADED_PARTIAL))
{
mHandler.post(new Runnable()
{
public void run()
{
mMessageContentView.loadUrl("file:///android_asset/downloading.html");
updateDecryptLayout();
}
});
}
mHandler.setHeaders(message);
}
@Override
public void loadMessageForViewBodyAvailable(Account account, String folder, String uid,
Message message)
{
if (!mMessageReference.uid.equals(uid) || !mMessageReference.folderName.equals(folder)
|| !mMessageReference.accountUuid.equals(account.getUuid()))
{
return;
}
displayMessage(account, folder, uid, message);
}//loadMessageForViewBodyAvailable
@Override
public void loadMessageForViewFailed(Account account, String folder, String uid,
final Throwable t)
{
if (!mMessageReference.uid.equals(uid) || !mMessageReference.folderName.equals(folder)
|| !mMessageReference.accountUuid.equals(account.getUuid()))
{
return;
}
mHandler.post(new Runnable()
{
public void run()
{
setProgressBarIndeterminateVisibility(false);
if (t instanceof IllegalArgumentException)
{
mHandler.invalidIdError();
}
else
{
mHandler.networkError();
}
if ((MessageView.this.mMessage == null) ||
!MessageView.this.mMessage.isSet(Flag.X_DOWNLOADED_PARTIAL))
{
mMessageContentView.loadUrl("file:///android_asset/empty.html");
updateDecryptLayout();
}
}
});
}
@Override
public void loadMessageForViewFinished(Account account, String folder, String uid,
Message message)
{
if (!mMessageReference.uid.equals(uid) || !mMessageReference.folderName.equals(folder)
|| !mMessageReference.accountUuid.equals(account.getUuid()))
{
return;
}
mHandler.post(new Runnable()
{
public void run()
{
setProgressBarIndeterminateVisibility(false);
}
});
}
@Override
public void loadMessageForViewStarted(Account account, String folder, String uid)
{
if (!mMessageReference.uid.equals(uid) || !mMessageReference.folderName.equals(folder)
|| !mMessageReference.accountUuid.equals(account.getUuid()))
{
return;
}
mHandler.post(new Runnable()
{
public void run()
{
updateDecryptLayout();
setProgressBarIndeterminateVisibility(true);
}
});
}
@Override
public void loadAttachmentStarted(Account account, Message message,
Part part, Object tag, boolean requiresDownload)
{
if (mMessage != message)
{
return;
}
mHandler.setAttachmentsEnabled(false);
mHandler.progress(true);
if (requiresDownload)
{
mHandler.fetchingAttachment();
}
}
@Override
public void loadAttachmentFinished(Account account, Message message,
Part part, Object tag)
{
if (mMessage != message)
{
return;
}
mHandler.setAttachmentsEnabled(true);
mHandler.progress(false);
Object[] params = (Object[]) tag;
boolean download = (Boolean) params[0];
AttachmentView attachment = (AttachmentView) params[1];
if (download)
{
attachment.writeFile();
}
else
{
attachment.showFile();
}
}
@Override
public void loadAttachmentFailed(Account account, Message message, Part part,
Object tag, String reason)
{
if (mMessage != message)
{
return;
}
mHandler.setAttachmentsEnabled(true);
mHandler.progress(false);
mHandler.networkError();
}
}
private void initializeCrypto(PgpData data)
{
if (data == null)
{
if (mAccount == null)
{
mAccount = Preferences.getPreferences(this).getAccount(mMessageReference.accountUuid);
}
mPgpData = new PgpData();
}
else
{
mPgpData = data;
}
}
/**
* Fill the decrypt layout with signature data, if known, make controls visible, if
* they should be visible.
*/
public void updateDecryptLayout()
{
if (mPgpData.getSignatureKeyId() != 0)
{
mCryptoSignatureUserIdRest.setText(
getString(R.string.key_id, Long.toHexString(mPgpData.getSignatureKeyId() & 0xffffffffL)));
String userId = mPgpData.getSignatureUserId();
if (userId == null)
{
userId = getString(R.string.unknown_crypto_signature_user_id);
}
String chunks[] = userId.split(" <", 2);
String name = chunks[0];
if (chunks.length > 1)
{
mCryptoSignatureUserIdRest.setText("<" + chunks[1]);
}
mCryptoSignatureUserId.setText(name);
if (mPgpData.getSignatureSuccess())
{
mCryptoSignatureStatusImage.setImageResource(R.drawable.overlay_ok);
}
else if (mPgpData.getSignatureUnknown())
{
mCryptoSignatureStatusImage.setImageResource(R.drawable.overlay_error);
}
else
{
mCryptoSignatureStatusImage.setImageResource(R.drawable.overlay_error);
}
mCryptoSignatureLayout.setVisibility(View.VISIBLE);
mDecryptLayout.setVisibility(View.VISIBLE);
}
else
{
mCryptoSignatureLayout.setVisibility(View.INVISIBLE);
}
if (false || ((mMessage == null) && (mPgpData.getDecryptedData() == null)))
{
mDecryptLayout.setVisibility(View.GONE);
return;
}
if (mPgpData.getDecryptedData() != null)
{
if (mPgpData.getSignatureKeyId() == 0)
{
mDecryptLayout.setVisibility(View.GONE);
}
else
{
// no need to show this after decryption/verification
mDecryptButton.setVisibility(View.GONE);
}
return;
}
mDecryptButton.setVisibility(View.VISIBLE);
CryptoProvider crypto = mAccount.getCryptoProvider();
if (crypto.isEncrypted(mMessage))
{
mDecryptButton.setText(R.string.btn_decrypt);
mDecryptLayout.setVisibility(View.VISIBLE);
}
else if (crypto.isSigned(mMessage))
{
mDecryptButton.setText(R.string.btn_verify);
mDecryptLayout.setVisibility(View.VISIBLE);
}
else
{
mDecryptLayout.setVisibility(View.GONE);
try
{
// check for PGP/MIME encryption
Part pgp = MimeUtility.findFirstPartByMimeType(mMessage, "application/pgp-encrypted");
if (pgp != null)
{
Toast.makeText(this, R.string.pgp_mime_unsupported, Toast.LENGTH_LONG).show();
}
}
catch (MessagingException e)
{
// nothing to do...
}
}
}
public void onDecryptDone()
{
// TODO: this might not be enough if the orientation was changed while in APG,
// sometimes shows the original encrypted content
mMessageContentView.loadDataWithBaseURL("email://", mPgpData.getDecryptedData(), "text/plain", "utf-8", null);
updateDecryptLayout();
}
}