| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "encoding/base64" |
| 5 | "fmt" |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | "strings" |
| 9 | "sync" |
| 10 | |
| 11 | "reasonix/internal/config" |
| 12 | ) |
| 13 | |
| 14 | // themeMu serializes theme library mutations (import/save/delete/activate). |
| 15 | var themeMu sync.Mutex |
| 16 | |
| 17 | // stagedThemeImport holds a ZIP extract awaiting replace confirmation. |
| 18 | // Host paths stay on the Go side — the frontend only sees pendingId. |
| 19 | type stagedThemeImport struct { |
| 20 | id string |
| 21 | staging string |
| 22 | pack ThemePackView |
| 23 | } |
| 24 | |
| 25 | var ( |
| 26 | pendingThemeMu sync.Mutex |
| 27 | pendingThemeStage *stagedThemeImport |
| 28 | ) |
| 29 | |
| 30 | func clearPendingThemeImport() { |
| 31 | pendingThemeMu.Lock() |
| 32 | defer pendingThemeMu.Unlock() |
| 33 | if pendingThemeStage != nil && pendingThemeStage.staging != "" { |
| 34 | _ = os.RemoveAll(pendingThemeStage.staging) |
| 35 | } |
| 36 | pendingThemeStage = nil |
| 37 | } |
| 38 | |
| 39 | func setPendingThemeImport(id, staging string, pack ThemePackView) string { |
| 40 | pendingThemeMu.Lock() |
| 41 | if pendingThemeStage != nil && pendingThemeStage.staging != "" && pendingThemeStage.staging != staging { |
| 42 | _ = os.RemoveAll(pendingThemeStage.staging) |
| 43 | } |
| 44 | pendingID := "pending-" + id + "-" + randomThemeSuffix() |
| 45 | pendingThemeStage = &stagedThemeImport{id: id, staging: staging, pack: pack} |
| 46 | pendingThemeMu.Unlock() |
| 47 | return pendingID |
| 48 | } |
| 49 | |
| 50 | func takePendingThemeImport() *stagedThemeImport { |
| 51 | pendingThemeMu.Lock() |
| 52 | defer pendingThemeMu.Unlock() |
| 53 | p := pendingThemeStage |
| 54 | pendingThemeStage = nil |
| 55 | return p |
| 56 | } |
| 57 | |
| 58 | // ListThemePacks returns base directions, official themes and user themes. |
| 59 | // Base packs are never "active" as theme packs; their "active" flag means |
| 60 | // "this is the configured base style and no pack is applied". |
| 61 | func (a *App) ListThemePacks() ([]ThemePackView, error) { |
| 62 | themeMu.Lock() |
| 63 | defer themeMu.Unlock() |
| 64 | |
| 65 | st := a.migrateThemeDesktopStateLocked() |
| 66 | activeID := resolveActiveThemeID(st) |
| 67 | baseStyle := a.desktopBaseStyleLocked() |
| 68 | |
| 69 | var out []ThemePackView |
| 70 | for _, m := range builtinThemePacks() { |
| 71 | cp := m |
| 72 | // Base "active" = no pack applied and this is the configured base style. |
| 73 | baseActive := activeID == "" && baseStyle == m.ID |
| 74 | out = append(out, manifestToView(&cp, themeKindBase, baseActive, "", "")) |
| 75 | } |
| 76 | for _, ot := range officialThemes() { |
| 77 | m := ot.manifest |
| 78 | bgURL := officialAssetURL(m.ID, m.Background.Image) |
| 79 | pvURL := officialAssetURL(m.ID, officialPreviewName) |
| 80 | out = append(out, manifestToView(&m, themeKindOfficial, activeID == m.ID, bgURL, pvURL)) |
| 81 | } |
| 82 | ids, err := listUserThemeIDs() |
| 83 | if err != nil { |
| 84 | return out, err |
| 85 | } |
| 86 | for _, id := range ids { |
| 87 | m, err := loadUserThemeManifest(id) |
| 88 | if err != nil { |
| 89 | continue |
| 90 | } |
| 91 | bgURL := "" |
| 92 | if m.Background != nil && m.Background.Image != "" { |
| 93 | bgURL = themeBackgroundURL(id, m.Background.Image) |
| 94 | } |
| 95 | taskURL := "" |
| 96 | if m.TaskBackground != nil && m.TaskBackground.Image != "" { |
| 97 | taskURL = themeBackgroundURL(id, m.TaskBackground.Image) |
| 98 | } |
| 99 | out = append(out, manifestToView(m, themeKindUser, activeID == id, bgURL, "", taskURL)) |
| 100 | } |
| 101 | // Plugin themes come last: read-only, resolved live from enabled plugins. |
| 102 | pluginThemes, _ := discoverPluginThemes() |
| 103 | for _, pt := range pluginThemes { |
| 104 | out = append(out, pluginThemeView(pt, activeID == pt.id)) |
| 105 | } |
| 106 | return out, nil |
| 107 | } |
| 108 | |
| 109 | // GetActiveThemePack returns the currently enabled pack (nil pack when none). |
| 110 | func (a *App) GetActiveThemePack() (ThemeActiveView, error) { |
| 111 | themeMu.Lock() |
| 112 | defer themeMu.Unlock() |
| 113 | |
| 114 | view := ThemeActiveView{} |
| 115 | st := a.migrateThemeDesktopStateLocked() |
| 116 | activeID := resolveActiveThemeID(st) |
| 117 | if st.ActiveThemeID != "" && activeID == "" { |
| 118 | // Plugin theme pointer whose plugin is missing/disabled/uninstalled: |
| 119 | // fall back to the base style but PRESERVE the pointer on disk so |
| 120 | // reinstalling the same plugin restores the theme. |
| 121 | if isPluginThemeID(st.ActiveThemeID) { |
| 122 | return view, nil |
| 123 | } |
| 124 | // Broken or migrated-away pointer: clear so the next launch is clean. |
| 125 | st.ActiveThemeID = "" |
| 126 | _ = saveThemeDesktopState(st) |
| 127 | return view, nil |
| 128 | } |
| 129 | if activeID == "" { |
| 130 | return view, nil |
| 131 | } |
| 132 | view.ActiveThemeID = activeID |
| 133 | pack, err := a.loadThemeViewLocked(activeID, true) |
| 134 | if err != nil { |
| 135 | view.ActiveThemeID = "" |
| 136 | if isPluginThemeID(activeID) { |
| 137 | // Lost the race with a plugin change: same preserve contract. |
| 138 | return view, nil |
| 139 | } |
| 140 | st.ActiveThemeID = "" |
| 141 | _ = saveThemeDesktopState(st) |
| 142 | return view, nil |
| 143 | } |
| 144 | view.Pack = &pack |
| 145 | return view, nil |
| 146 | } |
| 147 | |
| 148 | // GetThemeExperience returns the unified appearance state for overview + gallery. |
| 149 | func (a *App) GetThemeExperience() (ThemeExperienceView, error) { |
| 150 | themeMu.Lock() |
| 151 | defer themeMu.Unlock() |
| 152 | |
| 153 | // Migrate first so a v1 base-style activeThemeId lands in desktop.theme_style |
| 154 | // before we read appearance. |
| 155 | st := a.migrateThemeDesktopStateLocked() |
| 156 | themeMode, baseStyle := a.desktopAppearanceLocked() |
| 157 | _, themeWarnings := discoverPluginThemes() |
| 158 | view := ThemeExperienceView{ |
| 159 | ThemeMode: themeMode, |
| 160 | BaseStyle: baseStyle, |
| 161 | EffectiveStyle: baseStyle, |
| 162 | Warnings: themeWarnings, |
| 163 | } |
| 164 | activeID := resolveActiveThemeID(st) |
| 165 | if st.ActiveThemeID != "" && activeID == "" { |
| 166 | // Plugin theme pointer with a missing/disabled plugin: render the base |
| 167 | // style, preserve the pointer (see GetActiveThemePack). |
| 168 | if isPluginThemeID(st.ActiveThemeID) { |
| 169 | return view, nil |
| 170 | } |
| 171 | st.ActiveThemeID = "" |
| 172 | _ = saveThemeDesktopState(st) |
| 173 | return view, nil |
| 174 | } |
| 175 | if activeID == "" { |
| 176 | return view, nil |
| 177 | } |
| 178 | pack, err := a.loadThemeViewLocked(activeID, true) |
| 179 | if err != nil { |
| 180 | if isPluginThemeID(activeID) { |
| 181 | return view, nil |
| 182 | } |
| 183 | st.ActiveThemeID = "" |
| 184 | _ = saveThemeDesktopState(st) |
| 185 | return view, nil |
| 186 | } |
| 187 | view.ActiveThemeID = activeID |
| 188 | view.ActivePack = &pack |
| 189 | if pack.BaseStyle != "" { |
| 190 | view.EffectiveStyle = pack.BaseStyle |
| 191 | } |
| 192 | return view, nil |
| 193 | } |
| 194 | |
| 195 | func (a *App) loadThemeViewLocked(id string, active bool) (ThemePackView, error) { |
| 196 | if isBuiltinThemeID(id) { |
| 197 | m := findBuiltinManifest(id) |
| 198 | if m == nil { |
| 199 | return ThemePackView{}, fmt.Errorf("unknown built-in theme %q", id) |
| 200 | } |
| 201 | return manifestToView(m, themeKindBase, active, "", ""), nil |
| 202 | } |
| 203 | if ot := findOfficialTheme(id); ot != nil { |
| 204 | m := ot.manifest |
| 205 | bgURL := officialAssetURL(m.ID, m.Background.Image) |
| 206 | pvURL := officialAssetURL(m.ID, officialPreviewName) |
| 207 | return manifestToView(&m, themeKindOfficial, active, bgURL, pvURL), nil |
| 208 | } |
| 209 | if pluginName, themeID, ok := parsePluginThemeID(id); ok { |
| 210 | pt := findPluginTheme(pluginName, themeID) |
| 211 | if pt == nil { |
| 212 | return ThemePackView{}, fmt.Errorf("plugin theme %q is unavailable (plugin %q must be installed and enabled)", id, pluginName) |
| 213 | } |
| 214 | return pluginThemeView(*pt, active), nil |
| 215 | } |
| 216 | m, err := loadUserThemeManifest(id) |
| 217 | if err != nil { |
| 218 | return ThemePackView{}, err |
| 219 | } |
| 220 | bgURL := "" |
| 221 | if m.Background != nil && m.Background.Image != "" { |
| 222 | bgURL = themeBackgroundURL(id, m.Background.Image) |
| 223 | } |
| 224 | taskURL := "" |
| 225 | if m.TaskBackground != nil && m.TaskBackground.Image != "" { |
| 226 | taskURL = themeBackgroundURL(id, m.TaskBackground.Image) |
| 227 | } |
| 228 | return manifestToView(m, themeKindUser, active, bgURL, "", taskURL), nil |
| 229 | } |
| 230 | |
| 231 | // ActivateThemePack enables an official, user or plugin theme. Empty id clears |
| 232 | // the pack (same as DisableThemePack). Base style ids are rejected — use |
| 233 | // ActivateBaseStyle. Plugin theme ids (plugin:<plugin>:<theme>) persist in |
| 234 | // full so a later plugin reinstall can restore the theme. |
| 235 | func (a *App) ActivateThemePack(id string) error { |
| 236 | themeMu.Lock() |
| 237 | defer themeMu.Unlock() |
| 238 | |
| 239 | id = strings.TrimSpace(id) |
| 240 | st := a.migrateThemeDesktopStateLocked() |
| 241 | if id == "" { |
| 242 | st.ActiveThemeID = "" |
| 243 | return saveThemeDesktopState(st) |
| 244 | } |
| 245 | if isBuiltinThemeID(id) { |
| 246 | return fmt.Errorf("base style %q is not a theme pack; use ActivateBaseStyle", id) |
| 247 | } |
| 248 | if isPluginThemeID(id) { |
| 249 | pluginName, themeID, ok := parsePluginThemeID(id) |
| 250 | if !ok { |
| 251 | return fmt.Errorf("invalid plugin theme id %q (want plugin:<plugin>:<theme>)", id) |
| 252 | } |
| 253 | pt := findPluginTheme(pluginName, themeID) |
| 254 | if pt == nil { |
| 255 | return fmt.Errorf("plugin theme %q is unavailable (plugin %q must be installed and enabled)", id, pluginName) |
| 256 | } |
| 257 | st.ActiveThemeID = pt.id |
| 258 | return saveThemeDesktopState(st) |
| 259 | } |
| 260 | if findOfficialTheme(id) != nil { |
| 261 | st.ActiveThemeID = id |
| 262 | return saveThemeDesktopState(st) |
| 263 | } |
| 264 | if _, err := loadUserThemeManifest(id); err != nil { |
| 265 | return fmt.Errorf("theme %q is missing or invalid", id) |
| 266 | } |
| 267 | st.ActiveThemeID = id |
| 268 | return saveThemeDesktopState(st) |
| 269 | } |
| 270 | |
| 271 | // ActivateBaseStyle writes the base color direction and clears any active pack. |
| 272 | // Theme mode (auto/light/dark), fonts and zoom are preserved. |
| 273 | func (a *App) ActivateBaseStyle(style string) error { |
| 274 | themeMu.Lock() |
| 275 | defer themeMu.Unlock() |
| 276 | |
| 277 | style = strings.TrimSpace(strings.ToLower(style)) |
| 278 | if !isBuiltinThemeID(style) { |
| 279 | return fmt.Errorf("unknown base style %q", style) |
| 280 | } |
| 281 | themeMode, _ := a.desktopAppearanceLocked() |
| 282 | if err := a.SetDesktopAppearance(themeMode, style); err != nil { |
| 283 | return err |
| 284 | } |
| 285 | st := a.migrateThemeDesktopStateLocked() |
| 286 | st.ActiveThemeID = "" |
| 287 | return saveThemeDesktopState(st) |
| 288 | } |
| 289 | |
| 290 | // DisableThemePack clears the active pack and restores the configured base style. |
| 291 | // Theme mode, fonts and zoom are preserved. |
| 292 | func (a *App) DisableThemePack() error { |
| 293 | themeMu.Lock() |
| 294 | defer themeMu.Unlock() |
| 295 | st := a.migrateThemeDesktopStateLocked() |
| 296 | st.ActiveThemeID = "" |
| 297 | return saveThemeDesktopState(st) |
| 298 | } |
| 299 | |
| 300 | // RestoreGraphiteAppearance disables any pack and sets base style to Graphite. |
| 301 | // Theme mode, fonts and zoom are preserved. |
| 302 | func (a *App) RestoreGraphiteAppearance() error { |
| 303 | themeMu.Lock() |
| 304 | defer themeMu.Unlock() |
| 305 | themeMode, _ := a.desktopAppearanceLocked() |
| 306 | if err := a.SetDesktopAppearance(themeMode, "graphite"); err != nil { |
| 307 | return err |
| 308 | } |
| 309 | st := a.migrateThemeDesktopStateLocked() |
| 310 | st.ActiveThemeID = "" |
| 311 | return saveThemeDesktopState(st) |
| 312 | } |
| 313 | |
| 314 | // ResetThemePack is a compatibility wrapper for older frontends. |
| 315 | // Prefer DisableThemePack or RestoreGraphiteAppearance. |
| 316 | func (a *App) ResetThemePack() error { |
| 317 | return a.DisableThemePack() |
| 318 | } |
| 319 | |
| 320 | // migrateThemeDesktopStateLocked upgrades v1 state and clears invalid ids — |
| 321 | // except plugin: pointers, which are preserved even when unresolvable. |
| 322 | // Caller must hold themeMu. Side effect: may write desktop.theme_style when a |
| 323 | // v1 base-style activeThemeId is migrated. |
| 324 | func (a *App) migrateThemeDesktopStateLocked() ThemeDesktopState { |
| 325 | st := loadThemeDesktopState() |
| 326 | changed := false |
| 327 | id := strings.TrimSpace(st.ActiveThemeID) |
| 328 | |
| 329 | // v1 stored base styles as activeThemeId — move them to desktop.theme_style. |
| 330 | if isBuiltinThemeID(id) { |
| 331 | themeMode, _ := a.desktopAppearanceLocked() |
| 332 | _ = a.SetDesktopAppearance(themeMode, id) |
| 333 | st.ActiveThemeID = "" |
| 334 | changed = true |
| 335 | } else if id != "" && !isPluginThemeID(id) && resolveActiveThemeID(st) == "" { |
| 336 | // Missing / corrupt official or user pack — clear pointer only. Plugin |
| 337 | // pointers are never auto-cleared: they survive a missing/disabled |
| 338 | // plugin so a reinstall restores the theme. |
| 339 | st.ActiveThemeID = "" |
| 340 | changed = true |
| 341 | } |
| 342 | if st.SchemaVersion != themeStateSchemaVer { |
| 343 | st.SchemaVersion = themeStateSchemaVer |
| 344 | changed = true |
| 345 | } |
| 346 | if changed { |
| 347 | _ = saveThemeDesktopState(st) |
| 348 | st = loadThemeDesktopState() |
| 349 | } |
| 350 | return st |
| 351 | } |
| 352 | |
| 353 | func (a *App) desktopAppearanceLocked() (themeMode, baseStyle string) { |
| 354 | // Read-only snapshot of user desktop prefs. applyConfigOnly serializes |
| 355 | // writers; a concurrent save may race, which is acceptable for UI display. |
| 356 | cfg := config.LoadForEdit(config.UserConfigPath()) |
| 357 | themeMode = cfg.DesktopTheme() |
| 358 | if themeMode == "" { |
| 359 | themeMode = "auto" |
| 360 | } |
| 361 | baseStyle = cfg.DesktopThemeStyle() |
| 362 | // Frontend maps legacy aliases; for API consumers normalize known bases. |
| 363 | if !isBuiltinThemeID(baseStyle) { |
| 364 | switch baseStyle { |
| 365 | case "ember": |
| 366 | baseStyle = "carbon" |
| 367 | case "midnight", "porcelain": |
| 368 | baseStyle = "nocturne" |
| 369 | case "sandstone", "linen": |
| 370 | baseStyle = "amber" |
| 371 | case "glacier": |
| 372 | baseStyle = "slate" |
| 373 | default: |
| 374 | baseStyle = "graphite" |
| 375 | } |
| 376 | } |
| 377 | return themeMode, baseStyle |
| 378 | } |
| 379 | |
| 380 | func (a *App) desktopBaseStyleLocked() string { |
| 381 | _, style := a.desktopAppearanceLocked() |
| 382 | return style |
| 383 | } |
| 384 | |
| 385 | // SaveThemePack creates or updates a user theme from the editor payload. |
| 386 | func (a *App) SaveThemePack(input ThemeSaveInput) (ThemePackView, error) { |
| 387 | themeMu.Lock() |
| 388 | defer themeMu.Unlock() |
| 389 | |
| 390 | if isPluginThemeID(input.ID) { |
| 391 | return ThemePackView{}, errPluginThemeReadOnly(input.ID, "saved") |
| 392 | } |
| 393 | m := &ThemePackManifest{ |
| 394 | SchemaVersion: themePackSchemaVersion, |
| 395 | ID: strings.TrimSpace(input.ID), |
| 396 | Name: input.Name, |
| 397 | Author: input.Author, |
| 398 | Description: input.Description, |
| 399 | License: input.License, |
| 400 | BaseStyle: input.BaseStyle, |
| 401 | Tokens: input.Tokens, |
| 402 | Recipes: input.Recipes, |
| 403 | Background: input.Background, |
| 404 | TaskBackground: input.TaskBackground, |
| 405 | } |
| 406 | // Preserve editor tuning while validation runs before the data URL has been |
| 407 | // decoded into its final file name. The placeholder is replaced below. |
| 408 | if !input.ClearBackground && strings.TrimSpace(input.BackgroundDataURL) != "" && m.Background != nil && m.Background.Image == "" { |
| 409 | m.Background.Image = "background.webp" |
| 410 | } |
| 411 | if !input.ClearTaskBackground && strings.TrimSpace(input.TaskBackgroundDataURL) != "" && m.TaskBackground != nil && m.TaskBackground.Image == "" { |
| 412 | m.TaskBackground.Image = "background-task.webp" |
| 413 | } |
| 414 | if err := validateThemePackManifest(m); err != nil { |
| 415 | return ThemePackView{}, err |
| 416 | } |
| 417 | if isReservedThemeID(m.ID) { |
| 418 | return ThemePackView{}, fmt.Errorf("built-in theme ids are reserved") |
| 419 | } |
| 420 | |
| 421 | var imageBytes []byte |
| 422 | keepExistingImage := false |
| 423 | |
| 424 | if input.ClearBackground { |
| 425 | m.Background = nil |
| 426 | } else if strings.TrimSpace(input.BackgroundDataURL) != "" { |
| 427 | name, data, err := decodeDataURLImage(input.BackgroundDataURL) |
| 428 | if err != nil { |
| 429 | return ThemePackView{}, err |
| 430 | } |
| 431 | imageBytes = data |
| 432 | if m.Background == nil { |
| 433 | bg := defaultThemePackBackground() |
| 434 | m.Background = &bg |
| 435 | } |
| 436 | m.Background.Image = name |
| 437 | // Re-validate after image assignment. |
| 438 | bg, err := normalizeThemeBackground(m.Background) |
| 439 | if err != nil { |
| 440 | return ThemePackView{}, err |
| 441 | } |
| 442 | m.Background = bg |
| 443 | } else if m.Background != nil && m.Background.Image != "" { |
| 444 | // Keep existing image from library when editing. |
| 445 | if userThemeExists(m.ID) { |
| 446 | keepExistingImage = true |
| 447 | } else { |
| 448 | return ThemePackView{}, fmt.Errorf("background image data is required for new themes with a background") |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | var taskImageBytes []byte |
| 453 | keepExistingTaskImage := false |
| 454 | if input.ClearTaskBackground { |
| 455 | m.TaskBackground = nil |
| 456 | } else if strings.TrimSpace(input.TaskBackgroundDataURL) != "" { |
| 457 | name, data, err := decodeDataURLImage(input.TaskBackgroundDataURL) |
| 458 | if err != nil { |
| 459 | return ThemePackView{}, err |
| 460 | } |
| 461 | taskImageBytes = data |
| 462 | if m.TaskBackground == nil { |
| 463 | bg := defaultThemePackTaskBackground() |
| 464 | m.TaskBackground = &bg |
| 465 | } |
| 466 | m.TaskBackground.Image = taskBackgroundImageName(name) |
| 467 | bg, err := normalizeThemeSceneBackground(m.TaskBackground) |
| 468 | if err != nil { |
| 469 | return ThemePackView{}, err |
| 470 | } |
| 471 | m.TaskBackground = bg |
| 472 | } else if m.TaskBackground != nil && m.TaskBackground.Image != "" { |
| 473 | if userThemeExists(m.ID) { |
| 474 | keepExistingTaskImage = true |
| 475 | } else { |
| 476 | return ThemePackView{}, fmt.Errorf("task background image data is required for new themes with a task background") |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | var staging string |
| 481 | var err error |
| 482 | var homeSource themeStagingImage |
| 483 | if keepExistingImage { |
| 484 | existing, err := resolveThemeImageAbs(m.ID, m.Background.Image) |
| 485 | if err != nil { |
| 486 | return ThemePackView{}, err |
| 487 | } |
| 488 | homeSource.path = existing |
| 489 | } else { |
| 490 | homeSource.bytes = imageBytes |
| 491 | } |
| 492 | var taskSource themeStagingImage |
| 493 | if keepExistingTaskImage { |
| 494 | existing, err := resolveThemeImageAbs(m.ID, m.TaskBackground.Image) |
| 495 | if err != nil { |
| 496 | return ThemePackView{}, err |
| 497 | } |
| 498 | taskSource.path = existing |
| 499 | } else { |
| 500 | taskSource.bytes = taskImageBytes |
| 501 | } |
| 502 | staging, err = writeThemeStaging(m, homeSource.path, homeSource.bytes, taskSource) |
| 503 | if err != nil { |
| 504 | return ThemePackView{}, err |
| 505 | } |
| 506 | defer os.RemoveAll(staging) |
| 507 | |
| 508 | // Honor Replace: create/import-style saves must not silently overwrite. |
| 509 | // The editor passes Replace=true when editing an existing theme. |
| 510 | exists := userThemeExists(m.ID) |
| 511 | if exists && !input.Replace { |
| 512 | return ThemePackView{}, fmt.Errorf("theme %q already exists; set replace to overwrite", m.ID) |
| 513 | } |
| 514 | if err := publishThemeDir(m.ID, staging, exists && input.Replace); err != nil { |
| 515 | return ThemePackView{}, err |
| 516 | } |
| 517 | |
| 518 | if input.Activate { |
| 519 | st := loadThemeDesktopState() |
| 520 | st.ActiveThemeID = m.ID |
| 521 | if err := saveThemeDesktopState(st); err != nil { |
| 522 | return ThemePackView{}, err |
| 523 | } |
| 524 | } |
| 525 | return a.loadThemeViewLocked(m.ID, input.Activate) |
| 526 | } |
| 527 | |
| 528 | // DeleteThemePack removes a user theme. Active theme falls back to none (Graphite path). |
| 529 | func (a *App) DeleteThemePack(id string) error { |
| 530 | themeMu.Lock() |
| 531 | defer themeMu.Unlock() |
| 532 | |
| 533 | id = strings.TrimSpace(id) |
| 534 | if isPluginThemeID(id) { |
| 535 | return errPluginThemeReadOnly(id, "deleted — disable or uninstall the plugin instead") |
| 536 | } |
| 537 | if isReservedThemeID(id) { |
| 538 | return fmt.Errorf("built-in themes cannot be deleted") |
| 539 | } |
| 540 | if err := deleteUserTheme(id); err != nil { |
| 541 | return err |
| 542 | } |
| 543 | st := loadThemeDesktopState() |
| 544 | if st.ActiveThemeID == id { |
| 545 | st.ActiveThemeID = "" |
| 546 | return saveThemeDesktopState(st) |
| 547 | } |
| 548 | return nil |
| 549 | } |
| 550 | |
| 551 | // CopyThemePack duplicates a base, official or user theme into a new user theme id. |
| 552 | func (a *App) CopyThemePack(sourceID, newID, newName string) (ThemePackView, error) { |
| 553 | themeMu.Lock() |
| 554 | defer themeMu.Unlock() |
| 555 | |
| 556 | sourceID = strings.TrimSpace(sourceID) |
| 557 | newID = strings.TrimSpace(newID) |
| 558 | if isPluginThemeID(sourceID) { |
| 559 | return ThemePackView{}, errPluginThemeReadOnly(sourceID, "duplicated") |
| 560 | } |
| 561 | if !themePackIDRe.MatchString(newID) || isReservedThemeID(newID) { |
| 562 | return ThemePackView{}, fmt.Errorf("invalid new theme id") |
| 563 | } |
| 564 | if userThemeExists(newID) { |
| 565 | return ThemePackView{}, fmt.Errorf("theme %q already exists", newID) |
| 566 | } |
| 567 | |
| 568 | var m *ThemePackManifest |
| 569 | var imageBytes []byte |
| 570 | var taskImageBytes []byte |
| 571 | if isBuiltinThemeID(sourceID) { |
| 572 | src := findBuiltinManifest(sourceID) |
| 573 | if src == nil { |
| 574 | return ThemePackView{}, fmt.Errorf("unknown source theme") |
| 575 | } |
| 576 | cp := *src |
| 577 | m = &cp |
| 578 | } else if ot := findOfficialTheme(sourceID); ot != nil { |
| 579 | // Copying an official theme embeds a private copy of its background so the |
| 580 | // duplicate becomes an ordinary editable user theme. |
| 581 | cp := ot.manifest |
| 582 | m = &cp |
| 583 | data, _, err := readOfficialAsset(sourceID, cp.Background.Image) |
| 584 | if err != nil { |
| 585 | return ThemePackView{}, fmt.Errorf("read official background: %w", err) |
| 586 | } |
| 587 | imageBytes = data |
| 588 | } else { |
| 589 | src, err := loadUserThemeManifest(sourceID) |
| 590 | if err != nil { |
| 591 | return ThemePackView{}, err |
| 592 | } |
| 593 | m = src |
| 594 | if m.Background != nil && m.Background.Image != "" { |
| 595 | p, err := resolveThemeImageAbs(sourceID, m.Background.Image) |
| 596 | if err != nil { |
| 597 | return ThemePackView{}, err |
| 598 | } |
| 599 | imageBytes, err = os.ReadFile(p) |
| 600 | if err != nil { |
| 601 | return ThemePackView{}, err |
| 602 | } |
| 603 | } |
| 604 | if m.TaskBackground != nil && m.TaskBackground.Image != "" { |
| 605 | p, err := resolveThemeImageAbs(sourceID, m.TaskBackground.Image) |
| 606 | if err != nil { |
| 607 | return ThemePackView{}, err |
| 608 | } |
| 609 | taskImageBytes, err = os.ReadFile(p) |
| 610 | if err != nil { |
| 611 | return ThemePackView{}, err |
| 612 | } |
| 613 | } |
| 614 | } |
| 615 | m.ID = newID |
| 616 | if strings.TrimSpace(newName) != "" { |
| 617 | m.Name = strings.TrimSpace(newName) |
| 618 | } else { |
| 619 | m.Name = m.Name + " Copy" |
| 620 | } |
| 621 | if err := validateThemePackManifest(m); err != nil { |
| 622 | return ThemePackView{}, err |
| 623 | } |
| 624 | staging, err := writeThemeStaging(m, "", imageBytes, themeStagingImage{bytes: taskImageBytes}) |
| 625 | if err != nil { |
| 626 | return ThemePackView{}, err |
| 627 | } |
| 628 | defer os.RemoveAll(staging) |
| 629 | if err := publishThemeDir(newID, staging, false); err != nil { |
| 630 | return ThemePackView{}, err |
| 631 | } |
| 632 | return a.loadThemeViewLocked(newID, false) |
| 633 | } |
| 634 | |
| 635 | // ImportThemePack opens a file dialog (or uses sourcePath in tests) and imports a ZIP. |
| 636 | // When replace is false and the id exists, the extract is kept as a pending import |
| 637 | // (NeedsReplace=true) so a subsequent ImportThemePack("", true) publishes without |
| 638 | // re-opening the file dialog. Host paths never leave the Go side. |
| 639 | func (a *App) ImportThemePack(sourcePath string, replace bool) (ThemeImportResult, error) { |
| 640 | themeMu.Lock() |
| 641 | defer themeMu.Unlock() |
| 642 | |
| 643 | // Confirm a previously staged conflict without re-picking a file. |
| 644 | path := strings.TrimSpace(sourcePath) |
| 645 | if path == "" && replace { |
| 646 | if pending := takePendingThemeImport(); pending != nil { |
| 647 | defer os.RemoveAll(pending.staging) |
| 648 | if err := publishThemeDir(pending.id, pending.staging, true); err != nil { |
| 649 | return ThemeImportResult{}, err |
| 650 | } |
| 651 | pack, err := a.loadThemeViewLocked(pending.id, false) |
| 652 | if err != nil { |
| 653 | return ThemeImportResult{}, err |
| 654 | } |
| 655 | return ThemeImportResult{Pack: pack, Replaced: true}, nil |
| 656 | } |
| 657 | // Fall through to dialog/path if nothing was pending (e.g. tests pass path). |
| 658 | } |
| 659 | |
| 660 | if path == "" { |
| 661 | if a.ctx == nil { |
| 662 | return ThemeImportResult{}, fmt.Errorf("no theme package selected") |
| 663 | } |
| 664 | picked, err := a.nativeHost().OpenFileDialog(a.ctx, nativeDialogOptions{ |
| 665 | Title: "Import Reasonix Theme", |
| 666 | Filters: []nativeFileFilter{ |
| 667 | {DisplayName: "Reasonix Theme (*.reasonix-theme)", Pattern: "*.reasonix-theme"}, |
| 668 | {DisplayName: "ZIP (*.zip)", Pattern: "*.zip"}, |
| 669 | }, |
| 670 | }) |
| 671 | if err != nil { |
| 672 | return ThemeImportResult{}, err |
| 673 | } |
| 674 | path = picked |
| 675 | } |
| 676 | if path == "" { |
| 677 | return ThemeImportResult{}, nil |
| 678 | } |
| 679 | |
| 680 | m, staging, err := importThemePackZIP(path) |
| 681 | if err != nil { |
| 682 | return ThemeImportResult{}, err |
| 683 | } |
| 684 | |
| 685 | exists := userThemeExists(m.ID) |
| 686 | if exists && !replace { |
| 687 | // Stage for confirmation — do not delete staging; pending owns it. |
| 688 | pack := manifestToView(m, themeKindUser, false, "", "") |
| 689 | pendingID := setPendingThemeImport(m.ID, staging, pack) |
| 690 | return ThemeImportResult{ |
| 691 | Pack: pack, |
| 692 | NeedsReplace: true, |
| 693 | PendingID: pendingID, |
| 694 | }, nil |
| 695 | } |
| 696 | defer os.RemoveAll(staging) |
| 697 | clearPendingThemeImport() |
| 698 | |
| 699 | if err := publishThemeDir(m.ID, staging, replace || exists); err != nil { |
| 700 | return ThemeImportResult{}, err |
| 701 | } |
| 702 | pack, err := a.loadThemeViewLocked(m.ID, false) |
| 703 | if err != nil { |
| 704 | return ThemeImportResult{}, err |
| 705 | } |
| 706 | return ThemeImportResult{Pack: pack, Replaced: exists && replace}, nil |
| 707 | } |
| 708 | |
| 709 | // ExportThemePack writes the theme to a user-selected destination. |
| 710 | func (a *App) ExportThemePack(id, destPath string) (string, error) { |
| 711 | themeMu.Lock() |
| 712 | defer themeMu.Unlock() |
| 713 | |
| 714 | id = strings.TrimSpace(id) |
| 715 | if id == "" { |
| 716 | return "", fmt.Errorf("theme id is required") |
| 717 | } |
| 718 | if isPluginThemeID(id) { |
| 719 | return "", errPluginThemeReadOnly(id, "exported") |
| 720 | } |
| 721 | path := strings.TrimSpace(destPath) |
| 722 | if path == "" { |
| 723 | if a.ctx == nil { |
| 724 | return "", fmt.Errorf("no export path") |
| 725 | } |
| 726 | defaultName := id + themePackExt |
| 727 | picked, err := a.nativeHost().SaveFileDialog(a.ctx, nativeDialogOptions{ |
| 728 | Title: "Export Reasonix Theme", |
| 729 | DefaultFilename: defaultName, |
| 730 | Filters: []nativeFileFilter{ |
| 731 | {DisplayName: "Reasonix Theme (*.reasonix-theme)", Pattern: "*.reasonix-theme"}, |
| 732 | }, |
| 733 | }) |
| 734 | if err != nil { |
| 735 | return "", err |
| 736 | } |
| 737 | path = picked |
| 738 | } |
| 739 | if path == "" { |
| 740 | return "", nil |
| 741 | } |
| 742 | if err := exportThemePackZIP(id, path); err != nil { |
| 743 | return "", err |
| 744 | } |
| 745 | if !strings.HasSuffix(strings.ToLower(path), themePackExt) { |
| 746 | path += themePackExt |
| 747 | } |
| 748 | return path, nil |
| 749 | } |
| 750 | |
| 751 | // PickThemeBackground opens a native file dialog for a local background image. |
| 752 | // Returns a data URL for the editor preview — never exposes the absolute path. |
| 753 | func (a *App) PickThemeBackground() (string, error) { |
| 754 | if a.ctx == nil { |
| 755 | return "", fmt.Errorf("file dialog unavailable") |
| 756 | } |
| 757 | path, err := a.nativeHost().OpenFileDialog(a.ctx, nativeDialogOptions{ |
| 758 | Title: "Choose Theme Background", |
| 759 | Filters: []nativeFileFilter{ |
| 760 | {DisplayName: "Images (*.png;*.jpg;*.jpeg;*.webp)", Pattern: "*.png;*.jpg;*.jpeg;*.webp"}, |
| 761 | }, |
| 762 | }) |
| 763 | if err != nil { |
| 764 | return "", err |
| 765 | } |
| 766 | if path == "" { |
| 767 | return "", nil |
| 768 | } |
| 769 | if err := validateThemeImageFile(path); err != nil { |
| 770 | return "", err |
| 771 | } |
| 772 | data, err := os.ReadFile(path) |
| 773 | if err != nil { |
| 774 | return "", err |
| 775 | } |
| 776 | if int64(len(data)) > themePackMaxImageBytes { |
| 777 | return "", fmt.Errorf("background image exceeds %d bytes", themePackMaxImageBytes) |
| 778 | } |
| 779 | mime := themeImageMIMEFromName(filepath.Base(path)) |
| 780 | // Return as data URL so the frontend never needs the host path. |
| 781 | return "data:" + mime + ";base64," + base64.StdEncoding.EncodeToString(data), nil |
| 782 | } |
| 783 |