browserWindow: adding devtools-focused event

atom/browser/api/atom_api_window.cc

@@ -139,6 +139,10 @@ void Window::OnRendererResponsive() {
   Emit("responsive");
 }
 
+void Window::OnDevToolsFocus() {
+  Emit("devtools-focused");
+}
+
 // static
 mate::Wrappable* Window::New(v8::Isolate* isolate,
                              const mate::Dictionary& options) {

atom/browser/api/atom_api_window.h

@@ -64,6 +64,7 @@ class Window : public mate::EventEmitter,
   void OnWindowLeaveFullScreen() override;
   void OnRendererUnresponsive() override;
   void OnRendererResponsive() override;
+  void OnDevToolsFocus() override;
 
  private:
   // APIs for NativeWindow.

atom/browser/native_window.cc

@@ -762,6 +762,10 @@ void NativeWindow::DevToolsAppendToFile(const std::string& url,
   CallDevToolsFunction("DevToolsAPI.appendedToURL", &url_value);
 }
 
+void NativeWindow::DevToolsFocused() {
+  FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnDevToolsFocus());
+}
+
 void NativeWindow::ScheduleUnresponsiveEvent(int ms) {
   if (!window_unresposive_closure_.IsCancelled())
     return;

atom/browser/native_window.h

@@ -290,6 +290,7 @@ class NativeWindow : public brightray::DefaultWebContentsDelegate,
                           bool save_as) override;
   void DevToolsAppendToFile(const std::string& url,
                             const std::string& content) override;
+  void DevToolsFocused() override;
 
   // Whether window has standard frame.
   bool has_frame_;

atom/browser/native_window_observer.h

@@ -50,6 +50,9 @@ class NativeWindowObserver {
   virtual void OnWindowEnterFullScreen() {}
   virtual void OnWindowLeaveFullScreen() {}
 
+  // Called when devtools window gets focused.
+  virtual void OnDevToolsFocus() {}
+
   // Called when renderer is hung.
   virtual void OnRendererUnresponsive() {}
 

docs/api/browser-window.md

@@ -184,6 +184,10 @@ Emitted when devtools is opened.
 
 Emitted when devtools is closed.
 
+### Event: 'devtools-focused'
+
+Emitted when devtools is focused / opened.
+
 ### Class Method: BrowserWindow.getAllWindows()
 
 Returns an array of all opened browser windows.