| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "os" |
| 6 | |
| 7 | "reasonix/desktop/internal/workspacestate" |
| 8 | "reasonix/internal/control" |
| 9 | "reasonix/internal/session" |
| 10 | ) |
| 11 | |
| 12 | // surfaceForCanonicalSession returns the tab OpenSession installs ref into. |
| 13 | // The active tab wins. Without one (fresh start, remote-only layout, or the |
| 14 | // last visible session was archived), a visible tab that already runs ref is |
| 15 | // activated, then a dormant local tab is reused, and otherwise an empty |
| 16 | // surface is created for ref's workspace and bound by the caller. Opening a |
| 17 | // session must never depend on a replacement blank session having been |
| 18 | // created for it. |
| 19 | func (a *App) surfaceForCanonicalSession(ref session.SessionRef, workspace workspacestate.Workspace) (*WorkspaceTab, control.SessionAPI, bool, error) { |
| 20 | if tab, ctrl := a.tabAndCtrlByID(""); tab != nil { |
| 21 | return tab, ctrl, false, nil |
| 22 | } |
| 23 | a.mu.Lock() |
| 24 | if owner := a.liveRuntimeTabMatchingLocked(nil, sessionRoute(ref.SessionID)); owner != nil && a.tabs[owner.ID] == owner && !owner.removed { |
| 25 | a.activeTabID = owner.ID |
| 26 | a.saveTabsLocked() |
| 27 | ctrl := owner.Ctrl |
| 28 | a.mu.Unlock() |
| 29 | return owner, ctrl, false, nil |
| 30 | } |
| 31 | a.mu.Unlock() |
| 32 | |
| 33 | if tab, ctrl := a.firstResolvableLocalTab(); tab != nil { |
| 34 | // A remote-only layout keeps one dormant local tab for local work; |
| 35 | // opening a session there beats creating a second surface. |
| 36 | a.mu.Lock() |
| 37 | if a.tabs[tab.ID] == tab && !tab.removed { |
| 38 | a.activeTabID = tab.ID |
| 39 | a.saveTabsLocked() |
| 40 | a.mu.Unlock() |
| 41 | return tab, ctrl, false, nil |
| 42 | } |
| 43 | a.mu.Unlock() |
| 44 | } |
| 45 | |
| 46 | scope := canonicalWorkspaceScope(workspace) |
| 47 | workspaceRoot := "" |
| 48 | if scope == "project" { |
| 49 | workspaceRoot = normalizeProjectRoot(workspace.Root) |
| 50 | if workspaceRoot == "" { |
| 51 | return nil, nil, false, fmt.Errorf("session workspace root is unavailable") |
| 52 | } |
| 53 | } |
| 54 | actualRoot := desktopWorkspaceRoot(scope, workspaceRoot) |
| 55 | if scope != "project" { |
| 56 | if err := os.MkdirAll(actualRoot, 0o755); err != nil { |
| 57 | return nil, nil, false, fmt.Errorf("create global workspace: %w", err) |
| 58 | } |
| 59 | } |
| 60 | releaseAdmission, err := a.beginProjectRuntimeAdmission(scope, actualRoot) |
| 61 | if err != nil { |
| 62 | return nil, nil, false, err |
| 63 | } |
| 64 | defer releaseAdmission() |
| 65 | if scope == "project" { |
| 66 | saveWorkspace(workspaceRoot) |
| 67 | if err := a.registerProjectRoot(workspaceRoot); err != nil { |
| 68 | return nil, nil, false, err |
| 69 | } |
| 70 | } |
| 71 | model, toolApprovalMode := desktopNewSessionDefaults(scope, actualRoot) |
| 72 | tab := &WorkspaceTab{ |
| 73 | Scope: scope, |
| 74 | WorkspaceRoot: actualRoot, |
| 75 | model: model, |
| 76 | mode: tabModeFromAxes(false, toolApprovalMode == control.ToolApprovalDangerFullAccess), |
| 77 | toolApprovalMode: toolApprovalMode, |
| 78 | disabledMCP: map[string]ServerView{}, |
| 79 | } |
| 80 | a.mu.Lock() |
| 81 | if existing := a.activeTabLocked(); existing != nil { |
| 82 | // Another navigation published a surface meanwhile; install into it. |
| 83 | ctrl := existing.Ctrl |
| 84 | a.mu.Unlock() |
| 85 | return existing, ctrl, false, nil |
| 86 | } |
| 87 | tab.ID = a.newUniqueTabIDLocked() |
| 88 | tab.sink = &tabEventSink{tabID: tab.ID, app: a} |
| 89 | a.tabs[tab.ID] = tab |
| 90 | a.tabOrder = append(a.tabOrder, tab.ID) |
| 91 | a.activeTabID = tab.ID |
| 92 | a.saveTabsLocked() |
| 93 | a.mu.Unlock() |
| 94 | return tab, nil, true, nil |
| 95 | } |
| 96 | |
| 97 | // discardUnboundSurface removes a surface created for OpenSession whose |
| 98 | // binding failed, so a failed open leaves no empty tab behind. |
| 99 | func (a *App) discardUnboundSurface(tab *WorkspaceTab) { |
| 100 | if tab == nil { |
| 101 | return |
| 102 | } |
| 103 | a.mu.Lock() |
| 104 | defer a.mu.Unlock() |
| 105 | if a.tabs[tab.ID] != tab || tab.Ctrl != nil || tab.SessionID != "" { |
| 106 | return |
| 107 | } |
| 108 | a.markTabRemovedLocked(tab) |
| 109 | delete(a.tabs, tab.ID) |
| 110 | a.removeTabOrderLocked(tab.ID) |
| 111 | if a.activeTabID == tab.ID { |
| 112 | a.activeTabID = "" |
| 113 | if len(a.tabOrder) > 0 { |
| 114 | a.activeTabID = a.tabOrder[0] |
| 115 | } |
| 116 | } |
| 117 | a.saveTabsLocked() |
| 118 | } |
| 119 |