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k-9/src/com/fsck/k9/activity/MessageView.java

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package com.fsck.k9.activity;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.media.MediaScannerConnection;
import android.media.MediaScannerConnection.MediaScannerConnectionClient;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.provider.Contacts;
import android.provider.Contacts.Intents;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.style.StyleSpan;
import android.util.Config;
import android.util.Log;
import android.util.TypedValue;
import android.view.*;
import android.view.View.OnClickListener;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.webkit.*;
import android.widget.*;
import com.fsck.k9.*;
import com.fsck.k9.controller.MessagingController;
import com.fsck.k9.controller.MessagingListener;
import com.fsck.k9.mail.*;
import com.fsck.k9.mail.Message.RecipientType;
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.LocalStore.LocalTextBody;
import com.fsck.k9.provider.AttachmentProvider;
import org.apache.commons.io.IOUtils;
import java.io.*;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
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 int ACTIVITY_CHOOSE_FOLDER_MOVE = 1;
private static final int ACTIVITY_CHOOSE_FOLDER_COPY = 2;
private TextView mFromView;
private TextView mDateView;
private TextView mTimeView;
private TextView mToView;
private TextView mCcView;
private TextView mSubjectView;
public View chip;
private CheckBox mFlagged;
private int defaultSubjectColor;
private WebView mMessageContentView;
private LinearLayout mAttachments;
private LinearLayout mCcContainerView;
private TextView mAdditionalHeadersView;
private View mAttachmentIcon;
private View mDownloadingIcon;
private View mShowPicturesSection;
View next;
View next_scrolling;
View previous;
View previous_scrolling;
private Account mAccount;
private MessageReference mMessageReference;
private ArrayList<MessageReference> mMessageReferences;
private Message mMessage;
private static final int PREVIOUS = 1;
private static final int NEXT = 2;
private int mLastDirection = PREVIOUS;
private MessageReference mNextMessage = null;
private MessageReference mPreviousMessage = null;
private Menu optionsMenu = null;
private Listener mListener = new Listener();
private MessageViewHandler mHandler = new MessageViewHandler();
private FontSizes mFontSizes = K9.getFontSizes();
/**
* Pair class is only available since API Level 5, so we need
* this helper class unfortunately
*/
private class HeaderEntry
{
public String label;
public String value;
public HeaderEntry(String label, String value)
{
this.label = label;
this.value = value;
}
}
@Override
public boolean dispatchKeyEvent(KeyEvent event)
{
boolean ret = false;
if (KeyEvent.ACTION_DOWN == event.getAction())
{
ret = onKeyDown(event.getKeyCode(), event);
}
if (ret == false)
{
ret = super.dispatchKeyEvent(event);
}
return ret;
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event)
{
switch (keyCode)
{
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_Y:
{
onCopy();
return true;
}
case KeyEvent.KEYCODE_J:
case KeyEvent.KEYCODE_P:
{
onPrevious(K9.isAnimations());
return true;
}
case KeyEvent.KEYCODE_N:
case KeyEvent.KEYCODE_K:
{
onNext(K9.isAnimations());
return true;
}
case KeyEvent.KEYCODE_Z:
{
if (event.isShiftPressed())
{
mHandler.post(new Runnable()
{
public void run()
{
mMessageContentView.zoomIn();
}
});
}
else
{
mHandler.post(new Runnable()
{
public void run()
{
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);
}
class MessageViewHandler extends Handler
{
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 setAttachmentsEnabled(final boolean enabled)
{
runOnUiThread(new Runnable()
{
public void run()
{
for (int i = 0, count = mAttachments.getChildCount(); i < count; i++)
{
Attachment attachment = (Attachment) mAttachments.getChildAt(i).getTag();
attachment.viewButton.setEnabled(enabled);
attachment.downloadButton.setEnabled(enabled);
}
}
});
}
public void setHeaders(
final String subject,
final String from,
final String date,
final String time,
final String to,
final String cc,
final int accountColor,
final boolean unread,
final boolean hasAttachments,
final boolean isDownloading,
final boolean flagged,
final boolean answered)
{
runOnUiThread(new Runnable()
{
public void run()
{
setTitle(subject);
if (subject == null || subject.equals(""))
{
mSubjectView.setText(getText(R.string.general_no_subject));
}
else
{
mSubjectView.setText(subject);
}
mFromView.setText(from);
if (date != null)
{
mDateView.setText(date);
mDateView.setVisibility(View.VISIBLE);
}
else
{
mDateView.setVisibility(View.GONE);
}
mTimeView.setText(time);
mToView.setText(to);
mCcContainerView.setVisibility((cc != null && cc.length() > 0)? View.VISIBLE : View.GONE);
mCcView.setText(cc);
mAttachmentIcon.setVisibility(hasAttachments ? View.VISIBLE : View.GONE);
mDownloadingIcon.setVisibility(isDownloading ? View.VISIBLE : View.GONE);
if (flagged)
{
mFlagged.setChecked(true);
}
else
{
mFlagged.setChecked(false);
}
mSubjectView.setTextColor(0xff000000 | defaultSubjectColor);
chip.setBackgroundColor(accountColor);
chip.getBackground().setAlpha(unread ? 255 : 127);
if (answered)
{
Drawable answeredIcon = getResources().getDrawable(
R.drawable.ic_mms_answered_small);
mSubjectView.setCompoundDrawablesWithIntrinsicBounds(
answeredIcon, // left
null, // top
null, // right
null); // bottom
}
else
{
mSubjectView.setCompoundDrawablesWithIntrinsicBounds(
null, // left
null, // top
null, // right
null); // bottom
}
}
});
}
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 attachmentSaved(final String filename)
{
runOnUiThread(new Runnable()
{
public void run()
{
Toast.makeText(MessageView.this, String.format(
getString(R.string.message_view_status_attachment_saved), filename),
Toast.LENGTH_LONG).show();
}
});
}
public void attachmentNotSaved()
{
runOnUiThread(new Runnable()
{
public void run()
{
Toast.makeText(MessageView.this,
getString(R.string.message_view_status_attachment_not_saved),
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);
}
});
}
/**
* Clear the text field for the additional headers display if they are
* not shown, to save UI resources.
*/
public void hideAdditionalHeaders()
{
runOnUiThread(new Runnable()
{
public void run()
{
mAdditionalHeadersView.setVisibility(View.GONE);
mAdditionalHeadersView.setText("");
mTopView.scrollTo(0, 0);
}
});
}
/**
* Set up and then show the additional headers view. Called by
* {@link #onShowAdditionalHeaders()} and
* {@link #setHeaders(Account, String, String, Message)}
* (when switching between messages).
*/
public void showAdditionalHeaders()
{
runOnUiThread(new Runnable()
{
public void run()
{
Integer messageToShow = null;
try
{
// Retrieve additional headers
boolean allHeadersDownloaded = mMessage.isSet(Flag.X_GOT_ALL_HEADERS);
List<HeaderEntry> additionalHeaders = getAdditionalHeaders(mMessage);
if (!additionalHeaders.isEmpty())
{
// Show the additional headers that we have got.
setupAdditionalHeadersView(additionalHeaders);
mAdditionalHeadersView.setVisibility(View.VISIBLE);
}
if (!allHeadersDownloaded)
{
/*
* Tell the user about the "save all headers" setting
*
* NOTE: This is only a temporary solution... in fact,
* the system should download headers on-demand when they
* have not been saved in their entirety initially.
*/
messageToShow = R.string.message_additional_headers_not_downloaded;
}
else if (additionalHeaders.isEmpty())
{
// All headers have been downloaded, but there are no additional headers.
messageToShow = R.string.message_no_additional_headers_available;
}
}
catch (MessagingException e)
{
messageToShow = R.string.message_additional_headers_retrieval_failed;
}
// Show a message to the user, if any
if (messageToShow != null)
{
Toast toast = Toast.makeText(MessageView.this, messageToShow, Toast.LENGTH_LONG);
toast.setGravity(Gravity.CENTER_VERTICAL | Gravity.CENTER_HORIZONTAL, 0, 0);
toast.show();
}
}
});
}
/**
* Set up the additional headers text view with the supplied header data.
*
* @param additionalHeaders
* List of header entries. Each entry consists of a header
* name and a header value. Header names may appear multiple
* times.
*
* This method is always called from within the UI thread by
* {@link #showAdditionalHeaders()}.
*/
private void setupAdditionalHeadersView(final List<HeaderEntry> additionalHeaders)
{
SpannableStringBuilder sb = new SpannableStringBuilder();
boolean first = true;
for (HeaderEntry additionalHeader : additionalHeaders)
{
if (!first)
{
sb.append("\n");
}
else
{
first = false;
}
StyleSpan boldSpan = new StyleSpan(Typeface.BOLD);
SpannableString label = new SpannableString(additionalHeader.label + ": ");
label.setSpan(boldSpan, 0, label.length(), 0);
sb.append(label);
sb.append(MimeUtility.unfoldAndDecode(additionalHeader.value));
}
mAdditionalHeadersView.setText(sb);
}
}
class Attachment
{
public String name;
public String contentType;
public long size;
public LocalAttachmentBodyPart part;
public Button viewButton;
public Button downloadButton;
public ImageView iconView;
}
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);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.message_view);
mFromView = (TextView)findViewById(R.id.from);
mToView = (TextView)findViewById(R.id.to);
mCcView = (TextView)findViewById(R.id.cc);
mCcContainerView = (LinearLayout)findViewById(R.id.cc_container);
mSubjectView = (TextView)findViewById(R.id.subject);
defaultSubjectColor = mSubjectView.getCurrentTextColor();
mAdditionalHeadersView = (TextView)findViewById(R.id.additional_headers_view);
chip = findViewById(R.id.chip);
mDateView = (TextView)findViewById(R.id.date);
mTimeView = (TextView)findViewById(R.id.time);
mTopView = (ScrollView)findViewById(R.id.top_view);
mMessageContentView = (WebView)findViewById(R.id.message_content);
mAttachments = (LinearLayout)findViewById(R.id.attachments);
mAttachmentIcon = findViewById(R.id.attachment);
mDownloadingIcon = findViewById(R.id.downloading);
mShowPicturesSection = findViewById(R.id.show_pictures_section);
mFlagged = (CheckBox)findViewById(R.id.flagged);
mFlagged.setOnClickListener(new OnClickListener()
{
public void onClick(View v)
{
onFlag();
}
});
mMessageContentView.setVerticalScrollBarEnabled(true);
mMessageContentView.setVerticalScrollbarOverlay(true);
mMessageContentView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
final WebSettings webSettings = mMessageContentView.getSettings();
webSettings.setSupportZoom(true);
webSettings.setLoadsImagesAutomatically(true);
//webSettings.setBuiltInZoomControls(true);
webSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);
webSettings.setTextSize(mFontSizes.getMessageViewContent());
mFromView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewSender());
mToView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewTo());
((TextView)findViewById(R.id.to_label)).setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewTo());
mCcView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewCC());
((TextView)findViewById(R.id.cc_label)).setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewCC());
mSubjectView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewSubject());
mTimeView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewTime());
mDateView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewDate());
mAdditionalHeadersView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mFontSizes.getMessageViewAdditionalHeaders());
mAdditionalHeadersView.setVisibility(View.GONE);
mAttachments.setVisibility(View.GONE);
mAttachmentIcon.setVisibility(View.GONE);
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);
// 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.show_pictures);
setTitle("");
Intent intent = getIntent();
Uri uri = intent.getData();
if (icicle!=null)
{
mMessageReference = (MessageReference)icicle.getSerializable(EXTRA_MESSAGE_REFERENCE);
mMessageReferences = (ArrayList<MessageReference>)icicle.getSerializable(EXTRA_MESSAGE_REFERENCES);
}
else
{
if (uri==null)
{
mMessageReference = (MessageReference)intent.getSerializableExtra(EXTRA_MESSAGE_REFERENCE);
mMessageReferences = (ArrayList<MessageReference>)intent.getSerializableExtra(EXTRA_MESSAGE_REFERENCES);
}
else
{
List<String> segmentList = uri.getPathSegments();
if (segmentList.size()==3)
{
String accountId = segmentList.get(0);
Account[] accounts = Preferences.getPreferences(this).getAccounts();
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>();
}
else
{
//TODO: Use ressource to externalize message
Toast.makeText(this, "Invalid intent uri: " + uri.toString(), Toast.LENGTH_LONG).show();
return;
}
}
}
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "MessageView got message " + mMessageReference);
next = findViewById(R.id.next);
previous = findViewById(R.id.previous);
setOnClickListener(R.id.next);
setOnClickListener(R.id.previous);
next_scrolling = findViewById(R.id.next_scrolling);
previous_scrolling = findViewById(R.id.previous_scrolling);
boolean goNext = intent.getBooleanExtra(EXTRA_NEXT, false);
if (goNext)
{
next.requestFocus();
}
// Perhaps the hideButtons should be global, instead of account-specific
mAccount = Preferences.getPreferences(this).getAccount(mMessageReference.accountUuid);
Account.HideButtons hideButtons = mAccount.getHideMessageViewButtons();
//MessagingController.getInstance(getApplication()).addListener(mListener);
if (Account.HideButtons.ALWAYS == hideButtons)
{
hideButtons();
}
else if (Account.HideButtons.NEVER == hideButtons)
{
showButtons();
}
else // Account.HideButtons.KEYBOARD_AVAIL
{
final Configuration config = this.getResources().getConfiguration();
if (config.hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_NO)
{
hideButtons();
}
else
{
showButtons();
}
}
displayMessage(mMessageReference);
}
@Override
protected void onSaveInstanceState(Bundle outState)
{
outState.putSerializable(EXTRA_MESSAGE_REFERENCE, mMessageReference);
outState.putSerializable(EXTRA_MESSAGE_REFERENCES, mMessageReferences);
}
private void displayMessage(MessageReference ref)
{
mMessageReference = ref;
if (K9.DEBUG)
Log.d(K9.LOG_TAG, "MessageView displaying message " + mMessageReference);
mAccount = Preferences.getPreferences(this).getAccount(ref.accountUuid);
mMessageContentView.getSettings().setBlockNetworkImage(true);
K9.setBlockNetworkLoads(mMessageContentView.getSettings(), true);
mAttachments.removeAllViews();
findSurroundingMessagesUid();
boolean enableNext = (mNextMessage != null);
boolean enablePrev = (mPreviousMessage != null);
if (next.isEnabled() != enableNext)
next.setEnabled(enableNext);
if (previous.isEnabled() != enablePrev)
previous.setEnabled(enablePrev);
if (next_scrolling != null && (next_scrolling.isEnabled() != enableNext))
next_scrolling.setEnabled(enableNext);
if (previous_scrolling != null && (previous_scrolling.isEnabled() != enablePrev))
previous_scrolling.setEnabled(enablePrev);
MessagingController.getInstance(getApplication()).loadMessageForView(
mAccount,
mMessageReference.folderName,
mMessageReference.uid,
mListener);
mTopView.scrollTo(0, 0);
mMessageContentView.scrollTo(0, 0);
}
private void showButtons()
{
View buttons = findViewById(R.id.scrolling_buttons);
if (buttons != null)
{
buttons.setVisibility(View.GONE);
}
}
private void hideButtons()
{
View buttons = findViewById(R.id.bottom_buttons);
if (buttons != null)
{
buttons.setVisibility(View.GONE);
}
}
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();
}
private void onDelete()
{
if (mMessage != null)
{
Message messageToDelete = mMessage;
if (K9.messageViewReturnToList())
{
finish();
}
else
{
showNextMessage();
}
MessagingController.getInstance(getApplication()).deleteMessages(
new Message[] { messageToDelete },
null);
}
}
private void showNextMessage()
{
findSurroundingMessagesUid();
mMessageReferences.remove(mMessageReference);
if (mLastDirection == NEXT && mNextMessage != null)
{
onNext(K9.isAnimations());
}
else if (mLastDirection == PREVIOUS && mPreviousMessage != null)
{
onPrevious(K9.isAnimations());
}
else if (mNextMessage != null)
{
onNext(K9.isAnimations());
}
else if (mPreviousMessage != null)
{
onPrevious(K9.isAnimations());
}
else
{
finish();
}
}
private void onClickSender()
{
if (mMessage != null)
{
try
{
Address senderEmail = mMessage.getFrom()[0];
Uri contactUri = Uri.fromParts("mailto", senderEmail.getAddress(), null);
Intent contactIntent = new Intent(Contacts.Intents.SHOW_OR_CREATE_CONTACT);
contactIntent.setData(contactUri);
// Pass along full E-mail string for possible create dialog
contactIntent.putExtra(Contacts.Intents.EXTRA_CREATE_DESCRIPTION,
senderEmail.toString());
// Only provide personal name hint if we have one
String senderPersonal = senderEmail.getPersonal();
if (senderPersonal != null)
{
contactIntent.putExtra(Intents.Insert.NAME, senderPersonal);
}
startActivity(contactIntent);
}
catch (MessagingException me)
{
if (Config.LOGV)
{
Log.v(K9.LOG_TAG, "loadMessageForViewHeadersAvailable", me);
}
}
}
}
private void onReply()
{
if (mMessage != null)
{
MessageCompose.actionReply(this, mAccount, mMessage, false);
finish();
}
}
private void onReplyAll()
{
if (mMessage != null)
{
MessageCompose.actionReply(this, mAccount, mMessage, true);
finish();
}
}
private void onForward()
{
if (mMessage != null)
{
MessageCompose.actionForward(this, mAccount, mMessage);
finish();
}
}
private void onFlag()
{
if (mMessage != null)
{
MessagingController.getInstance(getApplication()).setFlag(mAccount,
mMessage.getFolder().getName(), new String[] { mMessage.getUid() }, Flag.FLAGGED, !mMessage.isSet(Flag.FLAGGED));
try
{
mMessage.setFlag(Flag.FLAGGED, !mMessage.isSet(Flag.FLAGGED));
setHeaders(mAccount, mMessage.getFolder().getName(), mMessage.getUid(), mMessage);
prepareMenuItems();
}
catch (MessagingException me)
{
Log.e(K9.LOG_TAG, "Could not set flag on local message", me);
}
}
}
private void onMove()
{
if (MessagingController.getInstance(getApplication()).isMoveCapable(mAccount) == false)
{
return;
}
if (MessagingController.getInstance(getApplication()).isMoveCapable(mMessage) == false)
{
Toast toast = Toast.makeText(this, R.string.move_copy_cannot_copy_unsynced_message, Toast.LENGTH_LONG);
toast.show();
return;
}
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_CHOOSE_FOLDER_MOVE);
}
private void onCopy()
{
if (MessagingController.getInstance(getApplication()).isCopyCapable(mAccount) == false)
{
return;
}
if (MessagingController.getInstance(getApplication()).isCopyCapable(mMessage) == false)
{
Toast toast = Toast.makeText(this, R.string.move_copy_cannot_copy_unsynced_message, Toast.LENGTH_LONG);
toast.show();
return;
}
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_CHOOSE_FOLDER_COPY);
}
private void onShowAdditionalHeaders()
{
int currentVisibility = mAdditionalHeadersView.getVisibility();
if (currentVisibility == View.VISIBLE)
{
mHandler.hideAdditionalHeaders();
}
else
{
mHandler.showAdditionalHeaders();
}
}
private List<HeaderEntry> getAdditionalHeaders(final Message message)
throws MessagingException
{
List<HeaderEntry> additionalHeaders = new LinkedList<HeaderEntry>();
/*
* Remove "Subject" header as it is already shown in the standard
* message view header. But do show "From", "To", and "Cc" again.
* This time including the email addresses. See issue 1805.
*/
Set<String> headerNames = new HashSet<String>(message.getHeaderNames());
headerNames.remove("Subject");
for (String headerName : headerNames)
{
String[] headerValues = message.getHeader(headerName);
for (String headerValue : headerValues)
{
additionalHeaders.add(new HeaderEntry(headerName, headerValue));
}
}
return additionalHeaders;
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
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;
showNextMessage();
MessagingController.getInstance(getApplication()).moveMessage(mAccount,
srcFolderName, messageToMove, destFolderName, null);
break;
case ACTIVITY_CHOOSE_FOLDER_COPY:
MessagingController.getInstance(getApplication()).copyMessage(mAccount,
srcFolderName, mMessage, destFolderName, null);
break;
}
}
}
}
private void onSendAlternate()
{
if (mMessage != null)
{
MessagingController.getInstance(getApplication()).sendAlternate(this, mAccount, mMessage);
}
}
@Override
protected void onNext(boolean animate)
{
if (mNextMessage == null)
{
Toast.makeText(this, getString(R.string.end_of_folder), Toast.LENGTH_SHORT).show();
return;
}
mLastDirection = NEXT;
if (animate)
{
mTopView.startAnimation(outToLeftAnimation());
}
displayMessage(mNextMessage);
next.requestFocus();
}
@Override
protected void onPrevious(boolean animate)
{
if (mPreviousMessage == null)
{
Toast.makeText(this, getString(R.string.end_of_folder), Toast.LENGTH_SHORT).show();
return;
}
mLastDirection = PREVIOUS;
if (animate)
{
mTopView.startAnimation(inFromRightAnimation());
}
displayMessage(mPreviousMessage);
previous.requestFocus();
}
private void onMarkAsUnread()
{
if (mMessage != null)
{
MessagingController.getInstance(getApplication()).setFlag(
mAccount,
mMessageReference.folderName,
new String[] { mMessage.getUid() },
Flag.SEEN,
false);
try
{
mMessage.setFlag(Flag.SEEN, false);
setHeaders(mAccount, mMessage.getFolder().getName(), mMessage.getUid(), mMessage);
}
catch (Exception e)
{
Log.e(K9.LOG_TAG, "Unable to unset SEEN flag on message", e);
}
}
}
/**
* Creates a unique file in the given directory by appending a hyphen
* and a number to the given filename.
* @param directory
* @param filename
* @return
*/
private File createUniqueFile(File directory, String filename)
{
File file = new File(directory, filename);
if (!file.exists())
{
return file;
}
// Get the extension of the file, if any.
int index = filename.lastIndexOf('.');
String format;
if (index != -1)
{
String name = filename.substring(0, index);
String extension = filename.substring(index);
format = name + "-%d" + extension;
}
else
{
format = filename + "-%d";
}
for (int i = 2; i < Integer.MAX_VALUE; i++)
{
file = new File(directory, String.format(format, i));
if (!file.exists())
{
return file;
}
}
return null;
}
private void onDownloadAttachment(Attachment attachment)
{
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED))
{
/*
* Abort early if there's no place to save the attachment. We don't want to spend
* the time downloading it and then abort.
*/
Toast.makeText(this,
getString(R.string.message_view_status_attachment_not_saved),
Toast.LENGTH_SHORT).show();
return;
}
if (mMessage != null)
{
MessagingController.getInstance(getApplication()).loadAttachment(
mAccount,
mMessage,
attachment.part,
new Object[] { true, attachment },
mListener);
}
}
private void onViewAttachment(Attachment attachment)
{
if (mMessage != null)
{
MessagingController.getInstance(getApplication()).loadAttachment(
mAccount,
mMessage,
attachment.part,
new Object[] { false, attachment },
mListener);
}
}
private void onShowPictures()
{
K9.setBlockNetworkLoads(mMessageContentView.getSettings(), false);
mMessageContentView.getSettings().setBlockNetworkImage(false);
mShowPicturesSection.setVisibility(View.GONE);
}
public void onClick(View view)
{
switch (view.getId())
{
case R.id.from:
onClickSender();
break;
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.next:
case R.id.next_scrolling:
onNext(K9.isAnimations());
break;
case R.id.previous:
case R.id.previous_scrolling:
onPrevious(K9.isAnimations());
break;
case R.id.download:
onDownloadAttachment((Attachment) view.getTag());
break;
case R.id.view:
onViewAttachment((Attachment) view.getTag());
break;
case R.id.show_pictures:
onShowPictures();
break;
case R.id.header_container:
onShowAdditionalHeaders();
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.move:
onMove();
break;
case R.id.copy:
onCopy();
break;
case R.id.show_full_header:
onShowAdditionalHeaders();
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 (MessagingController.getInstance(getApplication()).isCopyCapable(mAccount) == false)
{
menu.findItem(R.id.copy).setVisible(false);
}
if (MessagingController.getInstance(getApplication()).isMoveCapable(mAccount) == false)
{
menu.findItem(R.id.move).setVisible(false);
}
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu)
{
prepareMenuItems();
return super.onPrepareOptionsMenu(menu);
}
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((mAdditionalHeadersView.getVisibility() == View.VISIBLE) ?
R.string.hide_full_header_action : R.string.show_full_header_action);
}
}
}
private Bitmap getPreviewIcon(Attachment attachment) throws MessagingException
{
try
{
return BitmapFactory.decodeStream(
getContentResolver().openInputStream(
AttachmentProvider.getAttachmentThumbnailUri(mAccount,
attachment.part.getAttachmentId(),
62,
62)));
}
catch (Exception e)
{
/*
* We don't care what happened, we just return null for the preview icon.
*/
return null;
}
}
/*
* Formats the given size as a String in bytes, kB, MB or GB with a single digit
* of precision. Ex: 12,315,000 = 12.3 MB
*/
public static String formatSize(float size)
{
long kb = 1024;
long mb = (kb * 1024);
long gb = (mb * 1024);
if (size < kb)
{
return String.format("%d bytes", (int) size);
}
else if (size < mb)
{
return String.format("%.1f kB", size / kb);
}
else if (size < gb)
{
return String.format("%.1f MB", size / mb);
}
else
{
return String.format("%.1f GB", size / gb);
}
}
private void renderAttachments(Part part, int depth) throws MessagingException
{
String contentType = MimeUtility.unfoldAndDecode(part.getContentType());
String contentDisposition = MimeUtility.unfoldAndDecode(part.getDisposition());
String name = MimeUtility.getHeaderParameter(contentType, "name");
if (name == null)
{
name = MimeUtility.getHeaderParameter(contentDisposition, "filename");
}
if (name != null)
{
/*
* We're guaranteed size because LocalStore.fetch puts it there.
*/
int size = Integer.parseInt(MimeUtility.getHeaderParameter(contentDisposition, "size"));
Attachment attachment = new Attachment();
attachment.size = size;
String mimeType = part.getMimeType();
if (MimeUtility.DEFAULT_ATTACHMENT_MIME_TYPE.equals(mimeType))
{
mimeType = MimeUtility.getMimeTypeByExtension(name);
}
attachment.contentType = mimeType;
attachment.name = name;
attachment.part = (LocalAttachmentBodyPart) part;
LayoutInflater inflater = getLayoutInflater();
View view = inflater.inflate(R.layout.message_view_attachment, null);
TextView attachmentName = (TextView)view.findViewById(R.id.attachment_name);
TextView attachmentInfo = (TextView)view.findViewById(R.id.attachment_info);
ImageView attachmentIcon = (ImageView)view.findViewById(R.id.attachment_icon);
Button attachmentView = (Button)view.findViewById(R.id.view);
Button attachmentDownload = (Button)view.findViewById(R.id.download);
if ((!MimeUtility.mimeTypeMatches(attachment.contentType,
K9.ACCEPTABLE_ATTACHMENT_VIEW_TYPES))
|| (MimeUtility.mimeTypeMatches(attachment.contentType,
K9.UNACCEPTABLE_ATTACHMENT_VIEW_TYPES)))
{
attachmentView.setVisibility(View.GONE);
}
if ((!MimeUtility.mimeTypeMatches(attachment.contentType,
K9.ACCEPTABLE_ATTACHMENT_DOWNLOAD_TYPES))
|| (MimeUtility.mimeTypeMatches(attachment.contentType,
K9.UNACCEPTABLE_ATTACHMENT_DOWNLOAD_TYPES)))
{
attachmentDownload.setVisibility(View.GONE);
}
if (attachment.size > K9.MAX_ATTACHMENT_DOWNLOAD_SIZE)
{
attachmentView.setVisibility(View.GONE);
attachmentDownload.setVisibility(View.GONE);
}
attachment.viewButton = attachmentView;
attachment.downloadButton = attachmentDownload;
attachment.iconView = attachmentIcon;
view.setTag(attachment);
attachmentView.setOnClickListener(this);
attachmentView.setTag(attachment);
attachmentDownload.setOnClickListener(this);
attachmentDownload.setTag(attachment);
attachmentName.setText(name);
attachmentInfo.setText(formatSize(size));
Bitmap previewIcon = getPreviewIcon(attachment);
if (previewIcon != null)
{
attachmentIcon.setImageBitmap(previewIcon);
}
else
{
attachmentIcon.setImageResource(R.drawable.attached_image_placeholder);
}
mHandler.addAttachment(view);
}
if (part.getBody() instanceof Multipart)
{
Multipart mp = (Multipart)part.getBody();
for (int i = 0; i < mp.getCount(); i++)
{
renderAttachments(mp.getBodyPart(i), depth + 1);
}
}
}
private void setHeaders(Account account, String folder, String uid,
final Message message) throws MessagingException
{
String subjectText = message.getSubject();
String fromText = Address.toFriendly(message.getFrom());
String dateText = getDateFormat().format(message.getSentDate());
String timeText = getTimeFormat().format(message.getSentDate());
String toText = Address.toFriendly(message.getRecipients(RecipientType.TO));
String ccText = Address.toFriendly(message.getRecipients(RecipientType.CC));
int color = mAccount.getChipColor();
boolean hasAttachments = ((LocalMessage) message).getAttachmentCount() > 0;
boolean isDownloading = !message.isSet(Flag.X_DOWNLOADED_FULL);
boolean unread = !message.isSet(Flag.SEEN);
mHandler.setHeaders(subjectText,
fromText,
dateText,
timeText,
toText,
ccText,
color,
unread,
hasAttachments,
isDownloading,
message.isSet(Flag.FLAGGED),
message.isSet(Flag.ANSWERED));
// Update additional headers display, if visible
if (mAdditionalHeadersView.getVisibility() == View.VISIBLE)
{
mHandler.showAdditionalHeaders();
}
}
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");
}
});
}
try
{
setHeaders(account, folder, uid, message);
}
catch (MessagingException me)
{
Log.e(K9.LOG_TAG, "loadMessageForViewHeadersAvailable", me);
}
}
@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;
}
try
{
if (MessageView.this.mMessage!=null
&& MessageView.this.mMessage.isSet(Flag.X_DOWNLOADED_PARTIAL)
&& message.isSet(Flag.X_DOWNLOADED_FULL))
{
setHeaders(account, folder, uid, message);
}
MessageView.this.mMessage = message;
String text;
Part part = MimeUtility.findFirstPartByMimeType(mMessage, "text/html");
if (part == null)
{
part = MimeUtility.findFirstPartByMimeType(mMessage, "text/plain");
if (part == null)
{
text = null;
}
else
{
LocalTextBody body = (LocalTextBody)part.getBody();
if (body == null)
{
text = null;
}
else
{
text = body.getBodyForDisplay();
}
}
}
else
{
text = MimeUtility.getTextFromPart(part);
}
if (text != null)
{
/*
* TODO this should be smarter, change to regex for img, but consider how to
* get background images and a million other things that HTML allows.
*/
final String emailText = text;
mHandler.post(new Runnable()
{
public void run()
{
mMessageContentView.loadDataWithBaseURL("email://", emailText, "text/html", "utf-8", null);
}
});
mHandler.showShowPictures(text.contains("<img"));
}
else
{
mHandler.post(new Runnable()
{
public void run()
{
mMessageContentView.loadUrl("file:///android_asset/empty.html");
}
});
}
renderAttachments(mMessage, 0);
}
catch (Exception e)
{
if (Config.LOGV)
{
Log.v(K9.LOG_TAG, "loadMessageForViewBodyAvailable", e);
}
}
}//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.isSet(Flag.X_DOWNLOADED_PARTIAL))
{
mMessageContentView.loadUrl("file:///android_asset/empty.html");
}
}
});
}
@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()
{
mMessageContentView.loadUrl("file:///android_asset/loading.html");
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];
Attachment attachment = (Attachment) params[1];
if (download)
{
try
{
File file = createUniqueFile(Environment.getExternalStorageDirectory(),
attachment.name);
Uri uri = AttachmentProvider.getAttachmentUri(
mAccount,
attachment.part.getAttachmentId());
InputStream in = getContentResolver().openInputStream(uri);
OutputStream out = new FileOutputStream(file);
IOUtils.copy(in, out);
out.flush();
out.close();
in.close();
mHandler.attachmentSaved(file.getName());
new MediaScannerNotifier(MessageView.this, file);
}
catch (IOException ioe)
{
mHandler.attachmentNotSaved();
}
}
else
{
Uri uri = AttachmentProvider.getAttachmentUri(
mAccount,
attachment.part.getAttachmentId());
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setData(uri);
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
try
{
startActivity(intent);
}
catch (Exception e)
{
Log.e(K9.LOG_TAG, "Could not display attachment of type " + attachment.contentType, e);
Toast toast = Toast.makeText(MessageView.this, getString(R.string.message_view_no_viewer, attachment.contentType), Toast.LENGTH_LONG);
toast.show();
}
}
}
@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();
}
}
class MediaScannerNotifier implements MediaScannerConnectionClient
{
private MediaScannerConnection mConnection;
private File mFile;
public MediaScannerNotifier(Context context, File file)
{
mFile = file;
mConnection = new MediaScannerConnection(context, this);
mConnection.connect();
}
public void onMediaScannerConnected()
{
mConnection.scanFile(mFile.getAbsolutePath(), null);
}
public void onScanCompleted(String path, Uri uri)
{
try
{
if (uri != null)
{
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setData(uri);
startActivity(intent);
}
}
finally
{
mConnection.disconnect();
}
}
}
private Animation inFromRightAnimation()
{
return slideAnimation(0.0f, +1.0f);
}
private Animation outToLeftAnimation()
{
return slideAnimation(0.0f, -1.0f);
}
private Animation slideAnimation(float right, float left)
{
Animation slide = new TranslateAnimation(
Animation.RELATIVE_TO_PARENT, right, Animation.RELATIVE_TO_PARENT, left,
Animation.RELATIVE_TO_PARENT, 0.0f, Animation.RELATIVE_TO_PARENT, 0.0f
);
slide.setDuration(125);
slide.setFillBefore(true);
slide.setInterpolator(new AccelerateInterpolator());
return slide;
}
}
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