Change ordering of Shell event handlers:

ash/drag_drop/drag_drop_controller_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/drag_drop/drag_drop_controller.h"
 
 #include "ash/drag_drop/drag_drop_tracker.h"
 #include "ash/drag_drop/drag_image_view.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
@@ skipping 1090 matching lines @@
     CompleteCancelAnimation();
 
     EXPECT_EQ("405,405", observer.window_location_on_destroying().ToString());
   }
   for (Shell::RootWindowList::iterator iter = root_windows.begin();
        iter != root_windows.end(); ++iter) {
     aura::client::SetDragDropClient(*iter, NULL);
   }
 }
 
-class SimpleEventHandler : public ui::EventHandler {
- public:
-  SimpleEventHandler()
-      : handled_event_received_(false),
-        unhandled_event_received_(false) {
-    ash::Shell::GetInstance()->PrependPreTargetHandler(this);
-  }
-
-  virtual ~SimpleEventHandler() {
-    ash::Shell::GetInstance()->RemovePreTargetHandler(this);
-  }
-
-  bool handled_event_received() { return handled_event_received_; }
-  bool unhandled_event_received() { return unhandled_event_received_; }
-
-  void Reset() {
-    handled_event_received_ = false;
-    unhandled_event_received_ = false;
-  }
-
- private:
-  // Overridden from ui::EventHandler.
-  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
-    if (event->handled())
-      handled_event_received_ = true;
-    else
-      unhandled_event_received_ = true;
-  }
-
-  bool handled_event_received_;
-  bool unhandled_event_received_;
-
-  DISALLOW_COPY_AND_ASSIGN(SimpleEventHandler);
-};
-
-TEST_F(DragDropControllerTest,
-       DragDropControllerReceivesAllEventsDuringDragDrop) {
-  CommandLine::ForCurrentProcess()->AppendSwitch(
-      switches::kEnableTouchDragDrop);
-  scoped_ptr<views::Widget> widget(CreateNewWidget());
-  DragTestView* drag_view = new DragTestView;
-  AddViewToWidgetAndResize(widget.get(), drag_view);
-  aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow(),
-                                       widget->GetNativeView());
-  ui::OSExchangeData data;
-  data.SetString(UTF8ToUTF16("I am being dragged"));
-  SimpleEventHandler handler;
-
-  // Since we are not in drag/drop, |handler| should receive unhandled events.
-  generator.PressTouch();
-  gfx::Point point = gfx::Rect(drag_view->bounds()).CenterPoint();
-  handler.Reset();
-  DispatchGesture(ui::ET_GESTURE_LONG_PRESS, point);
-  EXPECT_TRUE(handler.unhandled_event_received());
-  EXPECT_FALSE(handler.handled_event_received());
-
-  EXPECT_TRUE(drag_drop_controller_->drag_start_received_);
-
-  // Since dragging has started, |handler| should not receive unhandled events.
-  UpdateDragData(&data);
-  gfx::Point gesture_location = point;
-  int num_drags = drag_view->width();
-  for (int i = 0; i < num_drags; ++i) {
-    gesture_location.Offset(1, 0);
-    handler.Reset();
-    DispatchGesture(ui::ET_GESTURE_SCROLL_UPDATE, gesture_location);
-    EXPECT_FALSE(handler.handled_event_received());
-    EXPECT_FALSE(handler.unhandled_event_received());
-
-    // Execute any scheduled draws to process deferred mouse events.
-    RunAllPendingInMessageLoop();
-  }
-
-  // Handler should not receive any other gestures that DragDropController
-  // does not care about.
-  std::set<ui::EventType> drag_drop_gestures;
-  drag_drop_gestures.insert(ui::ET_GESTURE_SCROLL_UPDATE);
-  drag_drop_gestures.insert(ui::ET_GESTURE_SCROLL_END);
-  drag_drop_gestures.insert(ui::ET_GESTURE_LONG_TAP);
-  drag_drop_gestures.insert(ui::ET_SCROLL_FLING_START);
-  for (ui::EventType type = ui::ET_UNKNOWN; type < ui::ET_LAST;
-      type = static_cast<ui::EventType>(type + 1)) {
-    if (!IsGestureEventType(type) ||
-        drag_drop_gestures.find(type) != drag_drop_gestures.end())
-      continue;
-
-    handler.Reset();
-    DispatchGesture(ui::ET_GESTURE_SCROLL_UPDATE, gesture_location);
-    EXPECT_FALSE(handler.handled_event_received());
-    EXPECT_FALSE(handler.unhandled_event_received());
-
-    // Execute any scheduled draws to process deferred mouse events.
-    RunAllPendingInMessageLoop();
-  }
-
-  // End dragging.
-  DispatchGesture(ui::ET_GESTURE_SCROLL_END, gesture_location);
-  EXPECT_TRUE(drag_drop_controller_->drop_received_);
-}
-
 }  // namespace test
 }  // namespace aura