87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
package injection
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import (
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"context"
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"fmt"
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"log"
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"time"
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)
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type Injector interface {
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Inject(ctx context.Context, text string) error
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}
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type Config struct {
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Backends []string // Ordered list: "ydotool", "wtype", "clipboard"
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YdotoolTimeout time.Duration // Timeout for ydotool commands
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WtypeTimeout time.Duration // Timeout for wtype commands
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ClipboardTimeout time.Duration // Timeout for clipboard operations
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}
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type injector struct {
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config Config
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backends []Backend
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}
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func NewInjector(config Config) Injector {
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// Build backend chain from config
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backends := make([]Backend, 0, len(config.Backends))
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for _, name := range config.Backends {
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switch name {
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case "ydotool":
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backends = append(backends, NewYdotoolBackend())
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case "wtype":
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backends = append(backends, NewWtypeBackend())
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case "clipboard":
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backends = append(backends, NewClipboardBackend())
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default:
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log.Printf("Injection: unknown backend %q, skipping", name)
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}
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}
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// Default to clipboard if no valid backends
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if len(backends) == 0 {
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log.Printf("Injection: no valid backends configured, defaulting to clipboard")
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backends = append(backends, NewClipboardBackend())
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}
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return &injector{
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config: config,
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backends: backends,
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}
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}
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func (i *injector) Inject(ctx context.Context, text string) error {
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if text == "" {
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return fmt.Errorf("cannot inject empty text")
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}
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// Try each backend in order
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var lastErr error
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for _, backend := range i.backends {
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timeout := i.getTimeout(backend.Name())
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err := backend.Inject(ctx, text, timeout)
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if err == nil {
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log.Printf("Injection: success via %s", backend.Name())
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return nil
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}
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log.Printf("Injection: %s failed: %v, trying next backend", backend.Name(), err)
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lastErr = err
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}
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return fmt.Errorf("all injection backends failed, last error: %w", lastErr)
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}
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func (i *injector) getTimeout(backendName string) time.Duration {
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switch backendName {
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case "ydotool":
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return i.config.YdotoolTimeout
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case "wtype":
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return i.config.WtypeTimeout
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case "clipboard":
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return i.config.ClipboardTimeout
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default:
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return 5 * time.Second
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}
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}
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