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Code Issues Releases Wiki Activity

Implemented BACK handling for MessageView

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Implemented because MessageList is now in singleInstance launchMode so
the default behavior may not match user options.
This commit is contained in:
Fiouz 2011-06-08 08:42:40 +02:00
parent 7aae044705
commit 5ee63c47fe
1 changed files with 47 additions and 0 deletions
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47
src/com/fsck/k9/activity/MessageView.java
View File

@ -27,6 +27,8 @@ import com.fsck.k9.view.SingleMessageView;
import com.fsck.k9.view.AttachmentView.AttachmentFileDownloadCallback;
import java.io.File;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.*;
public class MessageView extends K9Activity implements OnClickListener {
@ -39,6 +41,27 @@ public class MessageView extends K9Activity implements OnClickListener {
private static final int ACTIVITY_CHOOSE_FOLDER_COPY = 2;
private static final int ACTIVITY_CHOOSE_DIRECTORY = 3;
/**
* Whether parent class have the onBackPressed() method (with no argument)
*/
private static final boolean HAS_SUPER_ON_BACK_METHOD;
static {
boolean hasOnBackMethod;
try {
final Class<? super MessageView> superClass = MessageView.class.getSuperclass();
final Method method = superClass.getMethod("onBackPressed", new Class[] {});
hasOnBackMethod = (method.getModifiers() & Modifier.PUBLIC) == Modifier.PUBLIC;
} catch (final SecurityException e) {
if (K9.DEBUG) {
Log.v(K9.LOG_TAG, "Security exception while checking for 'onBackPressed' method", e);
}
hasOnBackMethod = false;
} catch (final NoSuchMethodException e) {
hasOnBackMethod = false;
}
HAS_SUPER_ON_BACK_METHOD = hasOnBackMethod;
}
private SingleMessageView mMessageView;
private PgpData mPgpData;
@ -127,6 +150,15 @@ public class MessageView extends K9Activity implements OnClickListener {
@Override
public boolean onKeyDown(final int keyCode, final KeyEvent event) {
if (
// XXX TODO - when we go to android 2.0, uncomment this
// android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.ECLAIR &&
keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {
// Take care of calling this method on earlier versions of
// the platform where it doesn't exist.
onBackPressed();
return true;
}
switch (keyCode) {
case KeyEvent.KEYCODE_VOLUME_UP: {
if (K9.useVolumeKeysForNavigationEnabled()) {
@ -229,6 +261,21 @@ public class MessageView extends K9Activity implements OnClickListener {
return super.onKeyUp(keyCode, event);
}
@Override
public void onBackPressed() {
// This will be called either automatically for you on 2.0
// or later, or by the code above on earlier versions of the
// platform.
if (K9.manageBack()) {
MessageList.actionHandleFolder(this, mAccount, mMessageReference.folderName);
finish();
} else if (HAS_SUPER_ON_BACK_METHOD) {
super.onBackPressed();
} else {
finish();
}
}
class MessageViewHandler extends Handler {
public void progress(final boolean progress) {