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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| package astilectron | ||
|
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||
| import ( | ||
| "context" | ||
| "sync" | ||
| ) | ||
|
|
||
| const ( | ||
| EventNameGlobalShortcutsCmdRegister = "global.shortcuts.cmd.register" | ||
| EventNameGlobalShortcutsCmdIsRegistered = "global.shortcuts.cmd.is.register" | ||
| EventNameGlobalShortcutsCmdUnregister = "global.shortcuts.cmd.unregister" | ||
| EventNameGlobalShortcutsCmdUnregisterAll = "global.shortcuts.cmd.unregister.all" | ||
| EventNameGlobalShortcutsEventRegistered = "global.shortcuts.event.registered" | ||
| EventNameGlobalShortcutsEventIsRegistered = "global.shortcuts.event.is.registered" | ||
| EventNameGlobalShortcutsEventUnregistered = "global.shortcuts.event.unregistered" | ||
| EventNameGlobalShortcutsEventUnregisteredAll = "global.shortcuts.event.unregistered.all" | ||
| EventNameGlobalShortcutEventTriggered = "global.shortcuts.event.triggered" | ||
| ) | ||
|
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| type globalShortcutsCallback func() | ||
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| // GlobalShortcuts represents a global shortcut | ||
| type GlobalShortcuts struct { | ||
| *object | ||
| m *sync.Mutex | ||
| callbacks map[string]*globalShortcutsCallback // Store all registered Global Shortcuts | ||
| } | ||
|
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| func newGlobalShortcuts(ctx context.Context, d *dispatcher, i *identifier, w *writer) (gs *GlobalShortcuts) { | ||
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| gs = &GlobalShortcuts{object: newObject(ctx, d, i, w, i.new()), m: new(sync.Mutex), callbacks: make(map[string]*globalShortcutsCallback)} | ||
| gs.On(EventNameGlobalShortcutEventTriggered, func(e Event) (deleteListener bool) { // Register the listener for the triggered event | ||
| gs.execCallback(e.GlobalShortcuts.Accelerator) | ||
| return | ||
| }) | ||
| return | ||
| } | ||
|
|
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| // Register Register global shortcuts | ||
| func (gs *GlobalShortcuts) Register(accelerator string, callback globalShortcutsCallback) (isRegistered bool, err error) { | ||
|
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| if err = gs.ctx.Err(); err != nil { | ||
| return | ||
| } | ||
|
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| // Send an event to astilectron to register the global shortcut | ||
| var event = Event{Name: EventNameGlobalShortcutsCmdRegister, TargetID: gs.id, GlobalShortcuts: &EventGlobalShortcuts{Accelerator: accelerator}} | ||
| result, err := synchronousEvent(gs.ctx, gs, gs.w, event, EventNameGlobalShortcutsEventRegistered) | ||
|
|
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| if err != nil { | ||
| return | ||
| } | ||
|
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| // If registered successfully, add the callback to the map | ||
| if result.GlobalShortcuts.IsRegistered { | ||
| gs.m.Lock() | ||
| gs.callbacks[accelerator] = &callback | ||
| gs.m.Unlock() | ||
| } | ||
|
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| isRegistered = result.GlobalShortcuts.IsRegistered | ||
| return | ||
| } | ||
|
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| // IsRegistered Check if a global shortcut is registered | ||
| func (gs *GlobalShortcuts) IsRegistered(accelerator string) (isRegistered bool, err error) { | ||
|
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| if err = gs.ctx.Err(); err != nil { | ||
| return | ||
| } | ||
|
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| // Send an event to astilectron to check if global shortcut is registered | ||
| var event = Event{Name: EventNameGlobalShortcutsCmdIsRegistered, TargetID: gs.id, GlobalShortcuts: &EventGlobalShortcuts{Accelerator: accelerator}} | ||
| result, err := synchronousEvent(gs.ctx, gs, gs.w, event, EventNameGlobalShortcutsEventIsRegistered) | ||
|
|
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| if err != nil { | ||
| return | ||
| } | ||
|
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| isRegistered = result.GlobalShortcuts.IsRegistered | ||
| return | ||
| } | ||
|
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| // Unregister Unregister a global shortcut | ||
| func (gs *GlobalShortcuts) Unregister(accelerator string) (err error) { | ||
|
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| if err = gs.ctx.Err(); err != nil { | ||
| return | ||
| } | ||
|
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| // Send an event to astilectron to unregister the global shortcut | ||
| var event = Event{Name: EventNameGlobalShortcutsCmdUnregister, TargetID: gs.id, GlobalShortcuts: &EventGlobalShortcuts{Accelerator: accelerator}} | ||
| _, err = synchronousEvent(gs.ctx, gs, gs.w, event, EventNameGlobalShortcutsEventUnregistered) | ||
|
|
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| if err != nil { | ||
| return | ||
| } | ||
|
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| // No need to find the callback from the map and delete it | ||
| // because that event will no longer be triggerred | ||
| // If the same global shortcut is registered again, the original callback will be replaced with the new one | ||
|
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| return | ||
| } | ||
|
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| // UnregisterAll Unregister all global shortcuts | ||
| func (gs *GlobalShortcuts) UnregisterAll() (err error) { | ||
|
|
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| if err = gs.ctx.Err(); err != nil { | ||
| return | ||
| } | ||
|
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| // Send an event to astilectron to unregister all global shortcuts | ||
| var event = Event{Name: EventNameGlobalShortcutsCmdUnregisterAll, TargetID: gs.id} | ||
| _, err = synchronousEvent(gs.ctx, gs, gs.w, event, EventNameGlobalShortcutsEventUnregisteredAll) | ||
|
|
||
| if err != nil { | ||
| return | ||
| } | ||
|
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| gs.m.Lock() | ||
| gs.callbacks = make(map[string]*globalShortcutsCallback) // Clear the map | ||
| gs.m.Unlock() | ||
|
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| return | ||
| } | ||
|
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| // execCallback Execute the GlobalShortcuts event triggered from astilectron | ||
| func (gs *GlobalShortcuts) execCallback(accelerator string) { | ||
| gs.m.Lock() | ||
| if callback, ok := gs.callbacks[accelerator]; ok { | ||
| (*callback)() | ||
| } | ||
| gs.m.Unlock() | ||
| } |
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