Draggable region support for frameless app window on CrOS.

chrome/browser/ui/views/extensions/shell_window_views.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/extensions/shell_window_views.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/common/extensions/draggable_region.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 318 matching lines @@
 #endif
   OnViewWasResized();
 
   window_->Show();
 }
 
 views::View* ShellWindowViews::GetInitiallyFocusedView() {
   return web_view_;
 }
 
+bool ShellWindowViews::ShouldDescendIntoChildForEventHandling(
+    gfx::NativeView child,
+    const gfx::Point& location) {
+#if defined(USE_AURA)
+  DCHECK_EQ(child, web_view_->web_contents()->GetView()->GetNativeView());
+  // Shell window should claim mouse events that fall within the draggable
+  // region.
+  return !draggable_region_.get() ||
+         !draggable_region_->contains(location.x(), location.y());
+#else
+  return true;
+#endif
+}
+
 void ShellWindowViews::OnFocus() {
   web_view_->RequestFocus();
 }
 
 void ShellWindowViews::ViewHierarchyChanged(
     bool is_add, views::View *parent, views::View *child) {
   if (is_add && child == this) {
     web_view_ = new views::WebView(NULL);
     AddChildView(web_view_);
     web_view_->SetWebContents(web_contents());
@@ skipping 227 matching lines @@
 
   draggable_region_.reset(draggable_region);
   OnViewWasResized();
 }
 
 // static
 NativeShellWindow* NativeShellWindow::Create(
     ShellWindow* shell_window, const ShellWindow::CreateParams& params) {
   return new ShellWindowViews(shell_window, params);
 }