Replace heuristic reading with chat toggle

app/src/main/java/com/neatstudio/tmuxandroid/MainActivity.java

@@ -23,7 +23,6 @@ import android.os.Looper;
 import android.provider.Settings;
 import android.text.TextUtils;
 import android.text.InputType;
-import android.text.method.LinkMovementMethod;
 import android.view.Gravity;
 import android.view.HapticFeedbackConstants;
 import android.view.KeyEvent;
@@ -73,8 +72,7 @@ public final class MainActivity extends Activity {
     private static final int STATUS_SUCCESS = 2;
     private static final int STATUS_ERROR = 3;
     private static final int TERMINAL_VIEW_CHAT = 0;
-    private static final int TERMINAL_VIEW_READING = 1;
-    private static final int TERMINAL_VIEW_FULL = 2;
+    private static final int TERMINAL_VIEW_FULL = 1;
     private static final long TERMINAL_RENDER_INTERVAL_MS = 80L;
     private static final long[] SOCKET_RECONNECT_DELAYS_MS = {1000L, 2000L, 4000L, 8000L, 15000L};
     private static final int COLOR_APP_BG = Color.rgb(18, 20, 24);
@@ -132,6 +130,8 @@ public final class MainActivity extends Activity {
     private Button terminalReadingButton;
     private ScrollView terminalScroll;
     private LinearLayout terminalChatList;
+    private TextView terminalLiveStatusText;
+    private TextView terminalLiveOutputText;
     private EditText inputField;
     private final Button[] terminalAccessoryTabButtons = new Button[4];
     private View terminalAccessoryBar;
@@ -151,7 +151,6 @@ public final class MainActivity extends Activity {
     private int lastActiveSessionCount = -1;
     private TerminalScreenBuffer terminalScreen = new TerminalScreenBuffer(DEFAULT_TERMINAL_COLS, DEFAULT_TERMINAL_ROWS);
     private final StringBuilder queuedTerminalInput = new StringBuilder();
-    private final Set<String> terminalExpandedBlocks = new HashSet<>();
     private final Set<String> terminalExpandedMessages = new HashSet<>();
     private final List<ConversationMessage> terminalConversationMessages = new ArrayList<>();
     private boolean terminalConnected;
@@ -1611,9 +1610,10 @@ public final class MainActivity extends Activity {
         terminalSelectionEnabled = false;
         terminalFollowOutput = true;
         terminalKeyPage = 0;
-        terminalExpandedBlocks.clear();
         terminalExpandedMessages.clear();
         terminalConversationMessages.clear();
+        terminalLiveStatusText = null;
+        terminalLiveOutputText = null;
         terminalImagePath = "";
         terminalImagePreviewBar = null;
         terminalImagePreview = null;
@@ -1762,25 +1762,17 @@ public final class MainActivity extends Activity {
                 dp(13)
         ));
         bar.addView(titleBlock, new LinearLayout.LayoutParams(0, dp(32), 1));
-        terminalReadingButton = terminalToolButton("聊", view -> showTerminalViewPicker());
-        terminalReadingButton.setContentDescription("Choose chat or terminal view");
+        terminalReadingButton = terminalToolButton("聊", view -> showTerminalView(
+                terminalViewMode == TERMINAL_VIEW_CHAT ? TERMINAL_VIEW_FULL : TERMINAL_VIEW_CHAT,
+                true
+        ));
+        terminalReadingButton.setContentDescription("Toggle chat and terminal view");
         styleTerminalReadingButton();
         bar.addView(terminalReadingButton);
         bar.addView(terminalToolButton("☰", view -> showTerminalActions(sessionName)));
         return bar;
     }
 
-    private void showTerminalViewPicker() {
-        String[] items = {"Chat", "Chinese reading", "Full terminal"};
-        new AlertDialog.Builder(this)
-                .setTitle("Session view")
-                .setSingleChoiceItems(items, terminalViewMode, (dialog, which) -> {
-                    showTerminalView(which, true);
-                    dialog.dismiss();
-                })
-                .show();
-    }
-
     private void showTerminalView(int mode, boolean announce) {
         terminalViewMode = mode;
         if (terminalScroll == null || terminalText == null || terminalChatList == null) {
@@ -1795,10 +1787,9 @@ public final class MainActivity extends Activity {
             ));
             renderTerminalConversation();
         } else {
-            boolean reading = mode == TERMINAL_VIEW_READING;
-            terminalText.setHorizontallyScrolling(!reading);
-            terminalText.setGravity((reading ? Gravity.TOP : Gravity.BOTTOM) | Gravity.START);
-            terminalText.setMovementMethod(reading ? LinkMovementMethod.getInstance() : null);
+            terminalText.setHorizontallyScrolling(true);
+            terminalText.setGravity(Gravity.BOTTOM | Gravity.START);
+            terminalText.setMovementMethod(null);
             terminalScroll.addView(terminalText, new ScrollView.LayoutParams(
                     ViewGroup.LayoutParams.MATCH_PARENT,
                     ViewGroup.LayoutParams.WRAP_CONTENT
@@ -1807,9 +1798,7 @@ public final class MainActivity extends Activity {
         }
         styleTerminalReadingButton();
         if (announce) {
-            setStatus(mode == TERMINAL_VIEW_CHAT
-                    ? "Chat view"
-                    : mode == TERMINAL_VIEW_READING ? "Chinese reading mode" : "Full terminal mode");
+            setStatus(mode == TERMINAL_VIEW_CHAT ? "Chat view" : "Full terminal mode");
         }
     }
 
@@ -1817,11 +1806,10 @@ public final class MainActivity extends Activity {
         if (terminalReadingButton == null) {
             return;
         }
-        terminalReadingButton.setText(terminalViewMode == TERMINAL_VIEW_CHAT
-                ? "聊" : terminalViewMode == TERMINAL_VIEW_READING ? "读" : "终");
-        terminalReadingButton.setTextColor(terminalViewMode != TERMINAL_VIEW_FULL
+        terminalReadingButton.setText(terminalViewMode == TERMINAL_VIEW_CHAT ? "聊" : "终");
+        terminalReadingButton.setTextColor(terminalViewMode == TERMINAL_VIEW_CHAT
                 ? Color.rgb(14, 38, 24) : COLOR_TEXT_MUTED);
-        terminalReadingButton.setBackground(terminalViewMode != TERMINAL_VIEW_FULL
+        terminalReadingButton.setBackground(terminalViewMode == TERMINAL_VIEW_CHAT
                 ? rounded(COLOR_ACCENT, 7, COLOR_ACCENT, 1)
                 : buttonBackground());
     }
@@ -1959,13 +1947,15 @@ public final class MainActivity extends Activity {
         if (terminalConversationMessages.isEmpty()) {
             TextView empty = bodyText("No structured messages yet");
             empty.setGravity(Gravity.CENTER);
-            empty.setPadding(dp(12), dp(32), dp(12), dp(32));
+            empty.setPadding(dp(12), dp(24), dp(12), dp(24));
             terminalChatList.addView(empty, matchWrap());
-            return;
-        }
-        for (ConversationMessage message : terminalConversationMessages) {
-            terminalChatList.addView(conversationMessageRow(message));
+        } else {
+            for (ConversationMessage message : terminalConversationMessages) {
+                terminalChatList.addView(conversationMessageRow(message));
+            }
         }
+        terminalChatList.addView(conversationLiveTerminalPanel(), matchWrap());
+        updateTerminalLivePanel();
         if (terminalViewMode == TERMINAL_VIEW_CHAT && terminalFollowOutput && terminalScroll != null) {
             terminalScroll.post(() -> terminalScroll.fullScroll(View.FOCUS_DOWN));
         }
@@ -2066,7 +2056,62 @@ public final class MainActivity extends Activity {
 
     private String conversationStatusPart(ConversationMessage message) {
         String status = message.status.trim();
-        return status.isEmpty() || "complete".equals(status) ? "" : " · " + status;
+        return status.isEmpty() ? "" : " · " + status;
+    }
+
+    private View conversationLiveTerminalPanel() {
+        LinearLayout panel = new LinearLayout(this);
+        panel.setOrientation(LinearLayout.VERTICAL);
+        panel.setPadding(dp(12), dp(9), dp(12), dp(10));
+        panel.setBackground(rounded(COLOR_FIELD, 8, COLOR_BORDER, 1));
+        panel.setOnClickListener(view -> showTerminalView(TERMINAL_VIEW_FULL, true));
+
+        LinearLayout heading = new LinearLayout(this);
+        heading.setOrientation(LinearLayout.HORIZONTAL);
+        heading.setGravity(Gravity.CENTER_VERTICAL);
+        TextView title = new TextView(this);
+        title.setText("Live terminal");
+        title.setTextColor(COLOR_TEXT);
+        title.setTextSize(11);
+        title.setTypeface(Typeface.DEFAULT_BOLD);
+        heading.addView(title, new LinearLayout.LayoutParams(0, dp(22), 1));
+        terminalLiveStatusText = new TextView(this);
+        terminalLiveStatusText.setTextSize(9);
+        terminalLiveStatusText.setTypeface(Typeface.MONOSPACE);
+        terminalLiveStatusText.setSingleLine(true);
+        heading.addView(terminalLiveStatusText, new LinearLayout.LayoutParams(
+                ViewGroup.LayoutParams.WRAP_CONTENT,
+                dp(22)
+        ));
+        panel.addView(heading, matchWrap());
+
+        terminalLiveOutputText = new TextView(this);
+        terminalLiveOutputText.setTextColor(COLOR_TEXT_MUTED);
+        terminalLiveOutputText.setTextSize(10);
+        terminalLiveOutputText.setTypeface(Typeface.MONOSPACE);
+        terminalLiveOutputText.setMaxLines(6);
+        terminalLiveOutputText.setEllipsize(TextUtils.TruncateAt.END);
+        terminalLiveOutputText.setPadding(0, dp(5), 0, 0);
+        panel.addView(terminalLiveOutputText, matchWrap());
+
+        TextView hint = bodyText("Tap for full terminal");
+        hint.setTextSize(9);
+        hint.setTextColor(COLOR_TEXT_DIM);
+        hint.setPadding(0, dp(6), 0, 0);
+        panel.addView(hint, matchWrap());
+        return panel;
+    }
+
+    private void updateTerminalLivePanel() {
+        if (terminalLiveStatusText == null || terminalLiveOutputText == null) {
+            return;
+        }
+        String socket = terminalSocketStatus.toLowerCase(java.util.Locale.ROOT);
+        boolean connected = socket.contains("connected") && !socket.contains("disconnected");
+        terminalLiveStatusText.setText(connected ? "● connected" : "● " + defaultValue(socket, "connecting"));
+        terminalLiveStatusText.setTextColor(connected ? COLOR_SUCCESS
+                : socket.contains("error") || socket.contains("disconnected") ? COLOR_DANGER : COLOR_ACCENT_WARM);
+        terminalLiveOutputText.setText(terminalScreen.renderTail(6));
     }
 
     private void updateTerminalMeta() {
@@ -2085,6 +2130,7 @@ public final class MainActivity extends Activity {
             terminalConnectionText.setText("● connecting");
             terminalConnectionText.setTextColor(COLOR_ACCENT_WARM);
         }
+        updateTerminalLivePanel();
     }
 
     private String compactTerminalPath(String path) {
@@ -3545,19 +3591,9 @@ public final class MainActivity extends Activity {
             return;
         }
         lastTerminalRenderMs = System.currentTimeMillis();
-        if (terminalViewMode == TERMINAL_VIEW_READING) {
-            terminalText.setMovementMethod(LinkMovementMethod.getInstance());
-            terminalText.setHighlightColor(Color.TRANSPARENT);
-            terminalText.setText(terminalScreen.renderFocused(terminalExpandedBlocks, key -> {
-                if (!terminalExpandedBlocks.add(key)) {
-                    terminalExpandedBlocks.remove(key);
-                }
-                renderTerminalNow();
-            }));
-        } else {
-            terminalText.setMovementMethod(null);
-            terminalText.setText(terminalScreen.render());
-        }
+        terminalText.setMovementMethod(null);
+        terminalText.setText(terminalScreen.render());
+        updateTerminalLivePanel();
         if (terminalViewMode != TERMINAL_VIEW_CHAT && terminalFollowOutput) {
             terminalScroll.post(() -> terminalScroll.fullScroll(View.FOCUS_DOWN));
         }

app/src/main/java/com/neatstudio/tmuxandroid/TerminalScreenBuffer.java

@@ -130,6 +130,20 @@ final class TerminalScreenBuffer {
         return output;
     }
 
+    String renderTail(int maxRows) {
+        List<String> visible = new ArrayList<>();
+        for (int row = rows - 1; row >= 0 && visible.size() < maxRows; row--) {
+            String text = rowText(row).trim();
+            if (!text.isEmpty()) {
+                visible.add(0, text);
+            }
+        }
+        if (visible.isEmpty()) {
+            return "Waiting for terminal output";
+        }
+        return String.join("\n", visible);
+    }
+
     CharSequence renderFocused(Set<String> expandedBlocks, FocusToggle toggle) {
         SpannableStringBuilder output = new SpannableStringBuilder();
         List<String> hiddenRows = new ArrayList<>();