Merge pull request #1633 from deepak1556/window_event_patch

window: adding resize and move events

atom/browser/api/atom_api_window.cc

@@ -124,6 +124,18 @@ void Window::OnWindowRestore() {
   Emit("restore");
 }
 
+void Window::OnWindowResize() {
+  Emit("resize");
+}
+
+void Window::OnWindowMove() {
+  Emit("move");
+}
+
+void Window::OnWindowMoved() {
+  Emit("moved");
+}
+
 void Window::OnWindowEnterFullScreen() {
   Emit("enter-full-screen");
 }

atom/browser/api/atom_api_window.h

@@ -64,6 +64,9 @@ class Window : public mate::EventEmitter,
   void OnWindowUnmaximize() override;
   void OnWindowMinimize() override;
   void OnWindowRestore() override;
+  void OnWindowResize() override;
+  void OnWindowMove() override;
+  void OnWindowMoved() override;
   void OnWindowEnterFullScreen() override;
   void OnWindowLeaveFullScreen() override;
   void OnWindowEnterHtmlFullScreen() override;

atom/browser/native_window.cc

@@ -535,6 +535,18 @@ void NativeWindow::NotifyWindowRestore() {
   FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowRestore());
 }
 
+void NativeWindow::NotifyWindowResize() {
+  FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowResize());
+}
+
+void NativeWindow::NotifyWindowMove() {
+  FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowMove());
+}
+
+void NativeWindow::NotifyWindowMoved() {
+  FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowMoved());
+}
+
 void NativeWindow::NotifyWindowEnterFullScreen() {
   FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
                     OnWindowEnterFullScreen());

atom/browser/native_window.h

@@ -207,6 +207,9 @@ class NativeWindow : public brightray::DefaultWebContentsDelegate,
   void NotifyWindowUnmaximize();
   void NotifyWindowMinimize();
   void NotifyWindowRestore();
+  void NotifyWindowMove();
+  void NotifyWindowResize();
+  void NotifyWindowMoved();
   void NotifyWindowEnterFullScreen();
   void NotifyWindowLeaveFullScreen();
   void NotifyWindowEnterHtmlFullScreen();

atom/browser/native_window_mac.mm

@@ -98,6 +98,15 @@ static const CGFloat kAtomWindowCornerRadius = 4.0;
 - (void)windowDidResize:(NSNotification*)notification {
   if (!shell_->has_frame())
     shell_->ClipWebView();
+
+  shell_->NotifyWindowResize();
+}
+
+- (void)windowDidMove:(NSNotification*)notification {
+  // TODO(zcbenz): Remove the alias after figuring out a proper
+  // way to disptach move. 
+  shell_->NotifyWindowMove();
+  shell_->NotifyWindowMoved();
 }
 
 - (void)windowDidMiniaturize:(NSNotification*)notification {

atom/browser/native_window_observer.h

@@ -47,6 +47,9 @@ class NativeWindowObserver {
   virtual void OnWindowUnmaximize() {}
   virtual void OnWindowMinimize() {}
   virtual void OnWindowRestore() {}
+  virtual void OnWindowResize() {}
+  virtual void OnWindowMove() {}
+  virtual void OnWindowMoved() {}
   virtual void OnWindowEnterFullScreen() {}
   virtual void OnWindowLeaveFullScreen() {}
   virtual void OnWindowEnterHtmlFullScreen() {}

atom/browser/native_window_views.cc

@@ -176,6 +176,7 @@ NativeWindowViews::NativeWindowViews(content::WebContents* web_contents,
   options.Get(switches::kWidth, &width);
   options.Get(switches::kHeight, &height);
   gfx::Rect bounds(0, 0, width, height);
+  widget_size_ = bounds.size();
 
   window_->AddObserver(this);
 
@@ -720,6 +721,17 @@ void NativeWindowViews::OnWidgetActivationChanged(
     SetMenuBarVisibility(false);
 }
 
+void NativeWindowViews::OnWidgetBoundsChanged(
+    views::Widget* widget, const gfx::Rect& bounds) {
+  if (widget != window_.get())
+    return;
+
+  if (widget_size_ != bounds.size()) {
+    NotifyWindowResize();
+    widget_size_ = bounds.size();
+  }
+}
+
 void NativeWindowViews::DeleteDelegate() {
   NotifyWindowClosed();
 }
@@ -807,6 +819,10 @@ views::NonClientFrameView* NativeWindowViews::CreateNonClientFrameView(
 #endif
 }
 
+void NativeWindowViews::OnWidgetMove() {
+  NotifyWindowMove();
+}
+
 #if defined(OS_WIN)
 bool NativeWindowViews::ExecuteWindowsCommand(int command_id) {
   // Windows uses the 4 lower order bits of |command_id| for type-specific

atom/browser/native_window_views.h

@@ -93,6 +93,8 @@ class NativeWindowViews : public NativeWindow,
   // views::WidgetObserver:
   void OnWidgetActivationChanged(
       views::Widget* widget, bool active) override;
+  void OnWidgetBoundsChanged(
+      views::Widget* widget, const gfx::Rect& bounds) override;
 
   // views::WidgetDelegate:
   void DeleteDelegate() override;
@@ -113,6 +115,7 @@ class NativeWindowViews : public NativeWindow,
   views::ClientView* CreateClientView(views::Widget* widget) override;
   views::NonClientFrameView* CreateNonClientFrameView(
       views::Widget* widget) override;
+  void OnWidgetMove() override;
 #if defined(OS_WIN)
   bool ExecuteWindowsCommand(int command_id) override;
 #endif
@@ -173,6 +176,7 @@ class NativeWindowViews : public NativeWindow,
   std::string title_;
   gfx::Size minimum_size_;
   gfx::Size maximum_size_;
+  gfx::Size widget_size_;
 
   scoped_ptr<SkRegion> draggable_region_;
 

docs/api/browser-window.md

@@ -171,6 +171,18 @@ Emitted when window is minimized.
 
 Emitted when window is restored from minimized state.
 
+### Event: 'resize'
+
+Emitted when window is getting resized.
+
+### Event: 'move'
+
+Emitted when the window is getting moved to a new position.
+
+### Event: 'moved'
+
+Emitted once when the window is moved to a new position.
+
 ### Event: 'enter-full-screen'
 
 Emitted when window enters full screen state.

spec/api-browser-window-spec.coffee

@@ -90,12 +90,24 @@ describe 'browser-window module', ->
         done()
 
   describe 'BrowserWindow.setSize(width, height)', ->
-    it 'sets the window size', ->
-      size = [400, 400]
+    it 'sets the window size', (done) ->
+      size = [20, 400]
+      w.on 'resize', ->
+        newSize = w.getSize()
+        assert.equal newSize[0], size[0]
+        assert.equal newSize[1], size[1]
+        done()
       w.setSize size[0], size[1]
-      after = w.getSize()
-      assert.equal after[0], size[0]
-      assert.equal after[1], size[1]
+
+  describe 'BrowserWindow.setPosition(x, y)', ->
+    it 'sets the window position', (done) ->
+      pos = [10, 10]
+      w.on 'move', ->
+        newPos = w.getPosition()
+        assert.equal newPos[0], pos[0]
+        assert.equal newPos[1], pos[1]
+        done()
+      w.setPosition pos[0], pos[1]
 
   describe 'BrowserWindow.setContentSize(width, height)', ->
     it 'sets the content size', ->