mac: Add app.dock.hide()/show() APIs, closes #422.

atom/browser/api/atom_api_app.cc

@@ -131,6 +131,10 @@ void Initialize(v8::Handle<v8::Object> exports) {
   dict.SetMethod("dockGetBadgeText",
                  base::Bind(&Browser::DockGetBadgeText,
                             base::Unretained(browser)));
+  dict.SetMethod("dockHide",
+                 base::Bind(&Browser::DockHide, base::Unretained(browser)));
+  dict.SetMethod("dockShow",
+                 base::Bind(&Browser::DockShow, base::Unretained(browser)));
 #endif
 }
 

atom/browser/api/lib/app.coffee

@@ -24,6 +24,8 @@ if process.platform is 'darwin'
     cancelBounce: bindings.dockCancelBounce
     setBadge: bindings.dockSetBadgeText
     getBadge: bindings.dockGetBadgeText
+    hide: bindings.hide
+    show: bindings.show
 
 # Be compatible with old API.
 app.once 'ready', -> app.emit 'finish-launching'

atom/browser/browser.h

@@ -56,6 +56,10 @@ class Browser : public WindowListObserver {
   // Set/Get dock's badge text.
   void DockSetBadgeText(const std::string& label);
   std::string DockGetBadgeText();
+
+  // Hide/Show dock.
+  void DockHide();
+  void DockShow();
 #endif  // defined(OS_MACOSX)
 
   // Tell the application to open a file.

atom/browser/browser_mac.mm

@@ -4,9 +4,11 @@
 
 #include "atom/browser/browser.h"
 
+#import "atom/browser/mac/atom_application.h"
+#include "atom/browser/native_window.h"
+#include "atom/browser/window_list.h"
 #import "base/mac/bundle_locations.h"
 #include "base/strings/sys_string_conversions.h"
-#import "atom/browser/mac/atom_application.h"
 
 namespace atom {
 
@@ -44,4 +46,18 @@ std::string Browser::DockGetBadgeText() {
   return base::SysNSStringToUTF8([tile badgeLabel]);
 }
 
+void Browser::DockHide() {
+  WindowList* list = WindowList::GetInstance();
+  for (WindowList::iterator it = list->begin(); it != list->end(); ++it)
+    [(*it)->GetNativeWindow() setCanHide:NO];
+
+  ProcessSerialNumber psn = { 0, kCurrentProcess };
+  TransformProcessType(&psn, kProcessTransformToUIElementApplication);
+}
+
+void Browser::DockShow() {
+  ProcessSerialNumber psn = { 0, kCurrentProcess };
+  TransformProcessType(&psn, kProcessTransformToForegroundApplication);
+}
+
 }  // namespace atom

docs/api/app.md

@@ -153,3 +153,15 @@ Sets the string to be displayed in the dock’s badging area.
 Returns the badge string of the dock.
 
 **Note:** This API is only available on Mac.
+
+## app.dock.hide()
+
+Hides the dock icon.
+
+**Note:** This API is only available on Mac.
+
+## app.dock.show()
+
+Shows the dock icon.
+
+**Note:** This API is only available on Mac.