[WIN] move and resize event support

rogerwang · rogerwang · commit 070cec81a53e · 2013-12-05T11:16:08.000+08:00
Fix nwjs#799
diff --git a/src/browser/native_window_win.cc b/src/browser/native_window_win.cc
@@ -247,7 +247,8 @@ NativeWindowWin::NativeWindowWin(const base::WeakPtr<content::Shell>& shell,
       resizable_(true),
       minimum_size_(0, 0),
       maximum_size_(),
-      initial_focus_(true) {
+      initial_focus_(true),
+      last_width_(-1), last_height_(-1) {
   manifest->GetBoolean("focus", &initial_focus_);
 
   window_ = new views::Widget;
@@ -265,6 +266,9 @@ NativeWindowWin::NativeWindowWin(const base::WeakPtr<content::Shell>& shell,
   gfx::Rect window_bounds = 
     window_->non_client_view()->GetWindowBoundsForClientBounds(
         gfx::Rect(width,height));
+  last_width_  = width;
+  last_height_ = height;
+  window_->AddObserver(this);
   window_->SetSize(window_bounds.size());
   window_->CenterWindow(window_bounds.size());
 
@@ -372,6 +376,19 @@ void NativeWindowWin::SetAlwaysOnTop(bool top) {
   window_->SetAlwaysOnTop(top);
 }
 
+void NativeWindowWin::OnWidgetBoundsChanged(views::Widget* widget, const gfx::Rect& new_bounds)  {
+  int w = new_bounds.width();
+  int h = new_bounds.height();
+  if (shell() && (w != last_width_ || h != last_height_)) {
+    base::ListValue args;
+    args.AppendInteger(w);
+    args.AppendInteger(h);
+    shell()->SendEvent("resize", args);
+    last_width_ = w;
+    last_height_ = h;
+  }
+}
+
 void NativeWindowWin::SetPosition(const std::string& position) {
   if (position == "center") {
     gfx::Rect bounds = window_->GetWindowBoundsInScreen();
@@ -465,6 +482,16 @@ views::NonClientFrameView* NativeWindowWin::CreateNonClientFrameView(
   return frame_view;
 }
 
+void NativeWindowWin::OnWidgetMove() {
+  gfx::Point origin = GetPosition();
+  if (shell()) {
+    base::ListValue args;
+    args.AppendInteger(origin.x());
+    args.AppendInteger(origin.y());
+    shell()->SendEvent("move", args);
+  }
+}
+
 bool NativeWindowWin::CanResize() const {
   return resizable_;
 }
diff --git a/src/browser/native_window_win.h b/src/browser/native_window_win.h
@@ -28,6 +28,7 @@
 #include "ui/gfx/rect.h"
 #include "ui/views/focus/widget_focus_manager.h"
 #include "ui/views/widget/widget_delegate.h"
+#include "ui/views/widget/widget_observer.h"
 
 namespace views {
 class WebView;
@@ -39,7 +40,8 @@ class NativeWindowToolbarWin;
 
 class NativeWindowWin : public NativeWindow,
                         public views::WidgetFocusChangeListener,
-                        public views::WidgetDelegateView {
+                        public views::WidgetDelegateView , 
+                        public views::WidgetObserver {
  public:
   explicit NativeWindowWin(const base::WeakPtr<content::Shell>& shell,
                            base::DictionaryValue* manifest);
@@ -83,6 +85,7 @@ class NativeWindowWin : public NativeWindow,
   virtual bool InitialFocus() OVERRIDE { return initial_focus_; }
 
   // WidgetDelegate implementation.
+  virtual void OnWidgetMove() OVERRIDE;
   virtual views::View* GetContentsView() OVERRIDE;
   virtual views::ClientView* CreateClientView(views::Widget*) OVERRIDE;
   virtual views::NonClientFrameView* CreateNonClientFrameView(
@@ -102,6 +105,9 @@ class NativeWindowWin : public NativeWindow,
   virtual void OnNativeFocusChange(gfx::NativeView focused_before,
                                    gfx::NativeView focused_now) OVERRIDE;
 
+  // WidgetObserver implementation
+  virtual void OnWidgetBoundsChanged(views::Widget* widget, const gfx::Rect& new_bounds) OVERRIDE;
+
  protected:
   // NativeWindow implementation.
   virtual void AddToolbar() OVERRIDE;
@@ -151,6 +157,9 @@ class NativeWindowWin : public NativeWindow,
 
   bool initial_focus_;
 
+  int last_width_;
+  int last_height_;
+
   DISALLOW_COPY_AND_ASSIGN(NativeWindowWin);
 };
 
