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-rw-r--r--src/main/java/de/pixart/messenger/ui/widget/ListSelectionManager.java142
1 files changed, 71 insertions, 71 deletions
diff --git a/src/main/java/de/pixart/messenger/ui/widget/ListSelectionManager.java b/src/main/java/de/pixart/messenger/ui/widget/ListSelectionManager.java
index 5ac6f9134..eb2136b78 100644
--- a/src/main/java/de/pixart/messenger/ui/widget/ListSelectionManager.java
+++ b/src/main/java/de/pixart/messenger/ui/widget/ListSelectionManager.java
@@ -18,7 +18,9 @@ public class ListSelectionManager {
private static final int MESSAGE_SEND_RESET = 1;
private static final int MESSAGE_RESET = 2;
private static final int MESSAGE_START_SELECTION = 3;
-
+ private static final Field FIELD_EDITOR;
+ private static final Method METHOD_START_SELECTION;
+ private static final boolean SUPPORTED;
private static final Handler HANDLER = new Handler(Looper.getMainLooper(), new Handler.Callback() {
@Override
@@ -45,30 +47,58 @@ public class ListSelectionManager {
}
});
- private static class StartSelectionHolder {
-
- public final ListSelectionManager listSelectionManager;
- public final TextView textView;
- public final int start;
- public final int end;
-
- public StartSelectionHolder(ListSelectionManager listSelectionManager, TextView textView,
- int start, int end) {
- this.listSelectionManager = listSelectionManager;
- this.textView = textView;
- this.start = start;
- this.end = end;
+ static {
+ Field editor;
+ try {
+ editor = TextView.class.getDeclaredField("mEditor");
+ editor.setAccessible(true);
+ } catch (Exception e) {
+ editor = null;
+ }
+ FIELD_EDITOR = editor;
+ Method startSelection = null;
+ if (editor != null) {
+ String[] startSelectionNames = {"startSelectionActionMode", "startSelectionActionModeWithSelection"};
+ for (String startSelectionName : startSelectionNames) {
+ try {
+ startSelection = editor.getType().getDeclaredMethod(startSelectionName);
+ startSelection.setAccessible(true);
+ break;
+ } catch (Exception e) {
+ startSelection = null;
+ }
+ }
}
+ METHOD_START_SELECTION = startSelection;
+ SUPPORTED = FIELD_EDITOR != null && METHOD_START_SELECTION != null;
}
private ActionMode selectionActionMode;
private Object selectionIdentifier;
private TextView selectionTextView;
-
private Object futureSelectionIdentifier;
private int futureSelectionStart;
private int futureSelectionEnd;
+ public static boolean isSupported() {
+ return SUPPORTED;
+ }
+
+ private static void startSelection(TextView textView, int start, int end) {
+ final CharSequence text = textView.getText();
+ if (SUPPORTED && start >= 0 && end > start && textView.isTextSelectable() && text instanceof Spannable) {
+ final Spannable spannable = (Spannable) text;
+ start = Math.min(start, spannable.length());
+ end = Math.min(end, spannable.length());
+ Selection.setSelection(spannable, start, end);
+ try {
+ final Object editor = FIELD_EDITOR != null ? FIELD_EDITOR.get(textView) : textView;
+ METHOD_START_SELECTION.invoke(editor);
+ } catch (Exception e) {
+ }
+ }
+ }
+
public void onCreate(TextView textView, ActionMode.Callback additionalCallback) {
final CustomCallback callback = new CustomCallback(textView, additionalCallback);
textView.setCustomSelectionActionModeCallback(callback);
@@ -76,11 +106,14 @@ public class ListSelectionManager {
public void onUpdate(TextView textView, Object identifier) {
if (SUPPORTED) {
- CustomCallback callback = (CustomCallback) textView.getCustomSelectionActionModeCallback();
- callback.identifier = identifier;
- if (futureSelectionIdentifier == identifier) {
- HANDLER.obtainMessage(MESSAGE_START_SELECTION, new StartSelectionHolder(this,
- textView, futureSelectionStart, futureSelectionEnd)).sendToTarget();
+ final ActionMode.Callback callback = textView.getCustomSelectionActionModeCallback();
+ if (callback instanceof CustomCallback) {
+ final CustomCallback customCallback = (CustomCallback) textView.getCustomSelectionActionModeCallback();
+ customCallback.identifier = identifier;
+ if (futureSelectionIdentifier == identifier) {
+ HANDLER.obtainMessage(MESSAGE_START_SELECTION, new StartSelectionHolder(this,
+ textView, futureSelectionStart, futureSelectionEnd)).sendToTarget();
+ }
}
}
}
@@ -109,13 +142,29 @@ public class ListSelectionManager {
}
}
+ private static class StartSelectionHolder {
+
+ final ListSelectionManager listSelectionManager;
+ final TextView textView;
+ public final int start;
+ public final int end;
+
+ StartSelectionHolder(ListSelectionManager listSelectionManager, TextView textView,
+ int start, int end) {
+ this.listSelectionManager = listSelectionManager;
+ this.textView = textView;
+ this.start = start;
+ this.end = end;
+ }
+ }
+
private class CustomCallback implements ActionMode.Callback {
private final TextView textView;
private final ActionMode.Callback additionalCallback;
- public Object identifier;
+ Object identifier;
- public CustomCallback(TextView textView, ActionMode.Callback additionalCallback) {
+ CustomCallback(TextView textView, ActionMode.Callback additionalCallback) {
this.textView = textView;
this.additionalCallback = additionalCallback;
}
@@ -159,53 +208,4 @@ public class ListSelectionManager {
}
}
}
-
- private static final Field FIELD_EDITOR;
- private static final Method METHOD_START_SELECTION;
- private static final boolean SUPPORTED;
-
- static {
- Field editor;
- try {
- editor = TextView.class.getDeclaredField("mEditor");
- editor.setAccessible(true);
- } catch (Exception e) {
- editor = null;
- }
- FIELD_EDITOR = editor;
- Method startSelection = null;
- if (editor != null) {
- String[] startSelectionNames = {"startSelectionActionMode", "startSelectionActionModeWithSelection"};
- for (String startSelectionName : startSelectionNames) {
- try {
- startSelection = editor.getType().getDeclaredMethod(startSelectionName);
- startSelection.setAccessible(true);
- break;
- } catch (Exception e) {
- startSelection = null;
- }
- }
- }
- METHOD_START_SELECTION = startSelection;
- SUPPORTED = FIELD_EDITOR != null && METHOD_START_SELECTION != null;
- }
-
- public static boolean isSupported() {
- return SUPPORTED;
- }
-
- public static void startSelection(TextView textView, int start, int end) {
- final CharSequence text = textView.getText();
- if (SUPPORTED && start >= 0 && end > start && textView.isTextSelectable() && text instanceof Spannable) {
- final Spannable spannable = (Spannable) text;
- start = Math.min(start, spannable.length());
- end = Math.min(end, spannable.length());
- Selection.setSelection(spannable, start, end);
- try {
- final Object editor = FIELD_EDITOR != null ? FIELD_EDITOR.get(textView) : textView;
- METHOD_START_SELECTION.invoke(editor);
- } catch (Exception e) {
- }
- }
- }
} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 01:54:09 +0000