| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "os" |
| 6 | "os/exec" |
| 7 | "strings" |
| 8 | "sync" |
| 9 | "time" |
| 10 | |
| 11 | "reasonix/internal/config" |
| 12 | ) |
| 13 | |
| 14 | const ( |
| 15 | externalOpenerFileManager = "file-manager" |
| 16 | externalOpenerEditor = "editor" |
| 17 | externalOpenerTerminal = "terminal" |
| 18 | externalOpenerCatalogTTL = 15 * time.Second |
| 19 | ) |
| 20 | |
| 21 | // ExternalOpenerView is the renderer-safe description of one installed app. |
| 22 | // Target executable paths and launch arguments stay in the native shell so the |
| 23 | // frontend can never turn this feature into an arbitrary command runner. |
| 24 | type ExternalOpenerView struct { |
| 25 | ID string `json:"id"` |
| 26 | Name string `json:"name"` |
| 27 | Kind string `json:"kind"` |
| 28 | IconDataURL string `json:"iconDataUrl,omitempty"` |
| 29 | } |
| 30 | |
| 31 | // ExternalOpenersView is the complete state for the Codex-style Open control. |
| 32 | type ExternalOpenersView struct { |
| 33 | Openers []ExternalOpenerView `json:"openers"` |
| 34 | Preferred string `json:"preferred"` |
| 35 | } |
| 36 | |
| 37 | type externalOpenerSpec struct { |
| 38 | View ExternalOpenerView |
| 39 | Target string |
| 40 | LaunchMode string |
| 41 | IconSource string |
| 42 | } |
| 43 | |
| 44 | type externalOpenerCatalogCache struct { |
| 45 | mu sync.Mutex |
| 46 | ttl time.Duration |
| 47 | discover func() []externalOpenerSpec |
| 48 | now func() time.Time |
| 49 | loaded bool |
| 50 | loadedAt time.Time |
| 51 | specs []externalOpenerSpec |
| 52 | refreshDone chan struct{} |
| 53 | } |
| 54 | |
| 55 | var platformExternalOpenerCatalog = newExternalOpenerCatalogCache(externalOpenerCatalogTTL, platformExternalOpenerSpecs) |
| 56 | |
| 57 | func newExternalOpenerCatalogCache(ttl time.Duration, discover func() []externalOpenerSpec) *externalOpenerCatalogCache { |
| 58 | return &externalOpenerCatalogCache{ttl: ttl, discover: discover, now: time.Now} |
| 59 | } |
| 60 | |
| 61 | func cloneExternalOpenerSpecs(specs []externalOpenerSpec) []externalOpenerSpec { |
| 62 | return append([]externalOpenerSpec(nil), specs...) |
| 63 | } |
| 64 | |
| 65 | func (c *externalOpenerCatalogCache) get() []externalOpenerSpec { |
| 66 | for { |
| 67 | c.mu.Lock() |
| 68 | now := c.now() |
| 69 | if c.loaded && now.Sub(c.loadedAt) < c.ttl { |
| 70 | specs := cloneExternalOpenerSpecs(c.specs) |
| 71 | c.mu.Unlock() |
| 72 | return specs |
| 73 | } |
| 74 | if done := c.refreshDone; done != nil { |
| 75 | c.mu.Unlock() |
| 76 | <-done |
| 77 | continue |
| 78 | } |
| 79 | |
| 80 | done := make(chan struct{}) |
| 81 | c.refreshDone = done |
| 82 | discover := c.discover |
| 83 | c.mu.Unlock() |
| 84 | |
| 85 | specs := discover() |
| 86 | |
| 87 | c.mu.Lock() |
| 88 | c.specs = cloneExternalOpenerSpecs(specs) |
| 89 | c.loaded = true |
| 90 | c.loadedAt = c.now() |
| 91 | c.refreshDone = nil |
| 92 | close(done) |
| 93 | result := cloneExternalOpenerSpecs(c.specs) |
| 94 | c.mu.Unlock() |
| 95 | return result |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | func cachedPlatformExternalOpenerSpecs() []externalOpenerSpec { |
| 100 | return platformExternalOpenerCatalog.get() |
| 101 | } |
| 102 | |
| 103 | // startDetachedExternalOpener reaps the launched process in the background so |
| 104 | // exited children do not pile up as zombies for the desktop app's lifetime. |
| 105 | func startDetachedExternalOpener(cmd *exec.Cmd) error { |
| 106 | if err := cmd.Start(); err != nil { |
| 107 | return err |
| 108 | } |
| 109 | go func() { _ = cmd.Wait() }() |
| 110 | return nil |
| 111 | } |
| 112 | |
| 113 | func externalOpenerByID(specs []externalOpenerSpec, id string) (externalOpenerSpec, bool) { |
| 114 | id = strings.ToLower(strings.TrimSpace(id)) |
| 115 | for _, spec := range specs { |
| 116 | if spec.View.ID == id { |
| 117 | return spec, true |
| 118 | } |
| 119 | } |
| 120 | return externalOpenerSpec{}, false |
| 121 | } |
| 122 | |
| 123 | func resolveExternalOpener(specs []externalOpenerSpec, preferred string) (externalOpenerSpec, bool) { |
| 124 | if spec, ok := externalOpenerByID(specs, preferred); ok { |
| 125 | return spec, true |
| 126 | } |
| 127 | for _, spec := range specs { |
| 128 | if spec.View.Kind == externalOpenerFileManager { |
| 129 | return spec, true |
| 130 | } |
| 131 | } |
| 132 | if len(specs) == 0 { |
| 133 | return externalOpenerSpec{}, false |
| 134 | } |
| 135 | return specs[0], true |
| 136 | } |
| 137 | |
| 138 | func externalOpenerViews(specs []externalOpenerSpec) []ExternalOpenerView { |
| 139 | views := make([]ExternalOpenerView, 0, len(specs)) |
| 140 | seen := make(map[string]bool, len(specs)) |
| 141 | for _, spec := range specs { |
| 142 | id := strings.ToLower(strings.TrimSpace(spec.View.ID)) |
| 143 | if id == "" || seen[id] || strings.TrimSpace(spec.View.Name) == "" { |
| 144 | continue |
| 145 | } |
| 146 | spec.View.ID = id |
| 147 | views = append(views, spec.View) |
| 148 | seen[id] = true |
| 149 | } |
| 150 | return views |
| 151 | } |
| 152 | |
| 153 | func externalOpenerViewsWithIcons(specs []externalOpenerSpec) []ExternalOpenerView { |
| 154 | withIcons := make([]externalOpenerSpec, len(specs)) |
| 155 | copy(withIcons, specs) |
| 156 | for i := range withIcons { |
| 157 | withIcons[i].View.IconDataURL = externalOpenerIconDataURL(withIcons[i]) |
| 158 | } |
| 159 | return externalOpenerViews(withIcons) |
| 160 | } |
| 161 | |
| 162 | func (a *App) preferredExternalOpenerID() string { |
| 163 | cfg, _, err := a.loadDesktopUserConfigForView() |
| 164 | if err != nil || cfg == nil { |
| 165 | return "" |
| 166 | } |
| 167 | return cfg.DesktopExternalOpener() |
| 168 | } |
| 169 | |
| 170 | // ExternalOpeners returns only applications detected on the current machine. |
| 171 | // If a preference was copied from another OS or the app was uninstalled, the |
| 172 | // returned preferred id falls back without rewriting the user's config. |
| 173 | func (a *App) ExternalOpeners() ExternalOpenersView { |
| 174 | specs := cachedPlatformExternalOpenerSpecs() |
| 175 | views := externalOpenerViewsWithIcons(specs) |
| 176 | selected, ok := resolveExternalOpener(specs, a.preferredExternalOpenerID()) |
| 177 | if !ok { |
| 178 | return ExternalOpenersView{Openers: views} |
| 179 | } |
| 180 | return ExternalOpenersView{Openers: views, Preferred: selected.View.ID} |
| 181 | } |
| 182 | |
| 183 | // SetPreferredExternalOpener persists an installed, platform-owned opener id. |
| 184 | func (a *App) SetPreferredExternalOpener(id string) error { |
| 185 | specs := cachedPlatformExternalOpenerSpecs() |
| 186 | spec, ok := externalOpenerByID(specs, id) |
| 187 | if !ok { |
| 188 | return fmt.Errorf("external opener %q is not available", strings.TrimSpace(id)) |
| 189 | } |
| 190 | return a.applyConfigOnly(func(c *config.Config) error { |
| 191 | return c.SetDesktopExternalOpener(spec.View.ID) |
| 192 | }) |
| 193 | } |
| 194 | |
| 195 | // OpenWorkspaceInExternalOpener opens the active workspace using either the |
| 196 | // requested installed app or the persisted/fallback selection when id is empty. |
| 197 | func (a *App) OpenWorkspaceInExternalOpener(id string) error { |
| 198 | return a.OpenWorkspaceInExternalOpenerForTab("", id) |
| 199 | } |
| 200 | |
| 201 | // OpenWorkspaceInExternalOpenerForTab is tab-scoped so a rapid tab switch cannot |
| 202 | // send the wrong project to an external application. |
| 203 | func (a *App) OpenWorkspaceInExternalOpenerForTab(tabID, id string) error { |
| 204 | root, _, ok := a.workspaceTargetForTab(tabID) |
| 205 | if !ok { |
| 206 | return os.ErrNotExist |
| 207 | } |
| 208 | path, err := workspaceBaseFromRoot(root) |
| 209 | if err != nil { |
| 210 | return err |
| 211 | } |
| 212 | info, err := os.Stat(path) |
| 213 | if err != nil { |
| 214 | return err |
| 215 | } |
| 216 | if !info.IsDir() { |
| 217 | return fmt.Errorf("workspace is not a directory") |
| 218 | } |
| 219 | |
| 220 | specs := cachedPlatformExternalOpenerSpecs() |
| 221 | var spec externalOpenerSpec |
| 222 | if strings.TrimSpace(id) == "" { |
| 223 | spec, ok = resolveExternalOpener(specs, a.preferredExternalOpenerID()) |
| 224 | } else { |
| 225 | spec, ok = externalOpenerByID(specs, id) |
| 226 | } |
| 227 | if !ok { |
| 228 | return fmt.Errorf("external opener %q is not available", strings.TrimSpace(id)) |
| 229 | } |
| 230 | return launchPlatformExternalOpener(spec, path) |
| 231 | } |
| 232 |