helm/hammerspoon/modules/apps.lua
2016-01-02 03:05:35 -05:00

126 lines
3.4 KiB
Lua

local apps = {}
-- App-specific code, runs when you launch or switch to another app
App = {}
App.new = function(name)
local self = {}
self.name = name
self.bindings = {}
self.onInitFn = nil
self.onActivateFn = nil
self.onDeactivateFn = nil
self.onLaunchedFn = nil
self.onTerminatedFn = nil
self.bind = function(mods, key, action, predicate)
table.insert(self.bindings,
{key = hs.hotkey.new(mods, key, action), predicate = predicate})
return self
end
self.onInit = function(fn)
fn(self)
return self
end
self.onActivate = function(fn)
self.onActivateFn = fn
return self
end
self.onDeactivate = function(fn)
self.onDeactivateFn = fn
return self
end
self.onLaunched = function(fn)
self.onLaunchedFn = fn
return self
end
self.onTerminated = function(fn)
self.onTerminatedFn = fn
return self
end
self.activate = function(appObject)
if type(self.onActivateFn) == 'function' then
self:onActivateFn(appObject)
end
self:enableBinds()
end
self.deactivate = function(appObject)
if type(self.onDeactivateFn) == 'function' then
self:onDeactivateFn(appObject)
end
self:disableBinds()
end
self.launch = function(appObject)
if type(self.onLaunchedFn) == 'function' then
self:onLaunchedFn(appObject)
end
end
self.terminate = function(appObject)
if type(self.onTerminatedFn) == 'function' then
self:onTerminatedFn(appObject)
end
self:clearBinds()
end
self.enableBinds = function(self)
hs.fnutils.each(self.bindings, function(b)
if b.predicate and not b.predicate() then
b.key:disable()
else
b.key:enable()
end
end)
end
self.disableBinds = function(self)
hs.fnutils.each(self.bindings, function(b) b.key:disable() end)
end
self.clearBinds = function(self)
hs.fnutils.each(self.bindings, function(b) b.key:delete() end)
self.bindings = {}
end
apps[name] = self
return self
end
function invoke(keys, predicate)
return function ()
if predicate and not predicate() then
return
end
if type(keys) == 'table' then
hs.fnutils.each(keys, function (key)
if type(key) ~= 'table' then
key = {{}, key}
end
hs.eventtap.keyStroke(key[1], key[2])
end)
elseif type(keys) == 'string' then
os.execute(keys)
elseif type(keys) == 'function' then
return keys()
end
end
end
--
function appGlobalWatcher(appName, eventType, appObject)
if apps[appName] then
if (eventType == hs.application.watcher.activated) then
apps[appName].activate(appObject)
elseif (eventType == hs.application.watcher.deactivated) then
apps[appName].deactivate(appObject)
elseif (eventType == hs.application.watcher.launched) then
apps[appName].launch(appObject)
elseif (eventType == hs.application.watcher.terminated) then
apps[appName].terminate(appObject)
end
end
end
hs.application.watcher.new(appGlobalWatcher):start()