mac: Add BrowserWindow.isDoucumentEdited API, fixes #459.

atom/browser/api/atom_api_window.cc

@@ -328,6 +328,10 @@ void Window::SetDocumentEdited(bool edited) {
   window_->SetDocumentEdited(edited);
 }
 
+bool Window::IsDocumentEdited() {
+  return window_->IsDocumentEdited();
+}
+
 mate::Handle<WebContents> Window::GetWebContents(v8::Isolate* isolate) const {
   return WebContents::Create(isolate, window_->GetWebContents());
 }
@@ -379,6 +383,7 @@ void Window::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("setRepresentedFilename", &Window::SetRepresentedFilename)
       .SetMethod("getRepresentedFilename", &Window::GetRepresentedFilename)
       .SetMethod("setDocumentEdited", &Window::SetDocumentEdited)
+      .SetMethod("IsDocumentEdited", &Window::IsDocumentEdited)
       .SetMethod("_openDevTools", &Window::OpenDevTools)
       .SetMethod("closeDevTools", &Window::CloseDevTools)
       .SetMethod("isDevToolsOpened", &Window::IsDevToolsOpened)

atom/browser/api/atom_api_window.h

@@ -100,6 +100,7 @@ class Window : public mate::EventEmitter,
   void SetRepresentedFilename(const std::string& filename);
   std::string GetRepresentedFilename();
   void SetDocumentEdited(bool edited);
+  bool IsDocumentEdited();
 
   // APIs for WebContents.
   mate::Handle<WebContents> GetWebContents(v8::Isolate* isolate) const;

atom/browser/native_window.cc

@@ -202,6 +202,10 @@ void NativeWindow::SetDocumentEdited(bool edited) {
 void NativeWindow::SetMenu(ui::MenuModel* menu) {
 }
 
+bool NativeWindow::IsDocumentEdited() {
+  return false;
+}
+
 bool NativeWindow::HasModalDialog() {
   return has_dialog_attached_;
 }

atom/browser/native_window.h

@@ -138,6 +138,7 @@ class NativeWindow : public brightray::DefaultWebContentsDelegate,
   virtual std::string GetRepresentedFilename();
   virtual void SetDocumentEdited(bool edited);
   virtual void SetMenu(ui::MenuModel* menu);
+  virtual bool IsDocumentEdited();
   virtual bool HasModalDialog();
   virtual gfx::NativeWindow GetNativeWindow() = 0;
 

atom/browser/native_window_mac.h

@@ -61,6 +61,7 @@ class NativeWindowMac : public NativeWindow {
   virtual void SetRepresentedFilename(const std::string& filename) OVERRIDE;
   virtual std::string GetRepresentedFilename() OVERRIDE;
   virtual void SetDocumentEdited(bool edited) OVERRIDE;
+  virtual bool IsDocumentEdited() OVERRIDE;
   virtual bool HasModalDialog() OVERRIDE;
   virtual gfx::NativeWindow GetNativeWindow() OVERRIDE;
 

atom/browser/native_window_mac.mm

@@ -460,6 +460,10 @@ void NativeWindowMac::SetDocumentEdited(bool edited) {
   [window_ setDocumentEdited:edited];
 }
 
+bool NativeWindowMac::IsDocumentEdited() {
+  return [window_ isDocumentEdited];
+}
+
 bool NativeWindowMac::HasModalDialog() {
   return [window_ attachedSheet] != nil;
 }

docs/api/browser-window.md

@@ -394,6 +394,10 @@ __OS X Only:__ Returns the pathname of the file the window represents.
 __OS X Only:__ Specifies whether the window’s document has been edited, and the
 icon in titlebar will become grey when set to `true`.
 
+### BrowserWindow.IsDocumentEdited()
+
+__OS X Only:__ Whether the window's document has been edited.
+
 ### BrowserWindow.openDevTools()
 
 Opens the developer tools.