Only drag or maximize / restore when event has not yet been handled.

ash/wm/toplevel_window_event_handler_unittest.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 "ash/wm/toplevel_window_event_handler.h"
 
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/lock_state_controller.h"
 #include "ash/wm/resize_shadow.h"
 #include "ash/wm/resize_shadow_controller.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace/snap_sizer.h"
 #include "ash/wm/workspace_controller.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/window_move_client.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/test/aura_test_base.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/base/hit_test.h"
 #include "ui/events/event.h"
 #include "ui/gfx/screen.h"
+#include "ui/views/corewm/window_util.h"
 
 #if defined(OS_WIN)
 // Windows headers define macros for these function names which screw with us.
 #if defined(CreateWindow)
 #undef CreateWindow
 #endif
 #endif
 
 namespace ash {
 namespace test {
@@ skipping 305 matching lines @@
   // Drag further than work_area bottom.
   DragFromCenterBy(target.get(), 0, work_area.height());
   // Position should not have changed.
   EXPECT_EQ(position.ToString(), target->bounds().origin().ToString());
   // Size should have increased by 0, work_area.height() - target->bounds.y()
   EXPECT_EQ(
       gfx::Size(100, work_area.height() - target->bounds().y()).ToString(),
       target->bounds().size().ToString());
 }
 
+TEST_F(ToplevelWindowEventHandlerTest, DontDragIfModalChild) {
+  scoped_ptr<aura::Window> w1(CreateWindow(HTCAPTION));
+  scoped_ptr<aura::Window> w2(CreateWindow(HTCAPTION));
+  w2->SetBounds(gfx::Rect(100, 0, 100, 100));
+  w2->SetProperty(aura::client::kModalKey, ui::MODAL_TYPE_WINDOW);
+  views::corewm::AddTransientChild(w1.get(), w2.get());
+  gfx::Size size = w1->bounds().size();
+
+  // Attempt to drag w1, position and size should not change because w1 has a
+  // modal child.
+  DragFromCenterBy(w1.get(), 100, 100);
+  EXPECT_EQ("0,0", w1->bounds().origin().ToString());
+  EXPECT_EQ(size.ToString(), w1->bounds().size().ToString());
+
+  TouchDragFromCenterBy(w1.get(), 100, 100);
+  EXPECT_EQ("0,0", w1->bounds().origin().ToString());
+  EXPECT_EQ(size.ToString(), w1->bounds().size().ToString());
+}
+
 // Verifies we don't let windows drag to a -y location.
 TEST_F(ToplevelWindowEventHandlerTest, DontDragToNegativeY) {
   scoped_ptr<aura::Window> target(CreateWindow(HTTOP));
   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow(),
                                        target.get());
   generator.MoveMouseTo(0, 5);
   generator.DragMouseBy(0, -5);
   // The y location and height should not have changed.
   EXPECT_EQ(0, target->bounds().y());
   EXPECT_EQ(100, target->bounds().height());
@@ skipping 351 matching lines @@
   move_client->RunMoveLoop(window2.get(), gfx::Vector2d(),
       aura::client::WINDOW_MOVE_SOURCE_MOUSE);
   EXPECT_EQ(window1_initial_bounds.ToString(), window1->bounds().ToString());
 }
 
 // Showing the resize shadows when the mouse is over the window edges is tested
 // in resize_shadow_and_cursor_test.cc
 
 }  // namespace test
 }  // namespace ash