Clear pending events upon main frame navigation

content/browser/renderer_host/input/input_router_impl_unittest.cc

 // Copyright 2013 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 <math.h>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 269 matching lines @@
   }
 
   bool TouchEventQueueEmpty() const {
     return input_router()->touch_event_queue_.empty();
   }
 
   bool TouchEventTimeoutEnabled() const {
     return input_router()->touch_event_queue_.IsAckTimeoutEnabled();
   }
 
-  void Flush() const {
-    return input_router_->Flush();
+  void RequestFlushedNotification() const {
+    return input_router_->RequestFlushedNotification();
   }
 
   size_t GetAndResetDidFlushCount() {
     return client_->GetAndResetDidFlushCount();
   }
 
   bool HasPendingEvents() const {
     return input_router_->HasPendingEvents();
   }
 
@@ skipping 504 matching lines @@
   EXPECT_EQ(1U, ack_handler_->GetAndResetAckCount());
   EXPECT_EQ(WebInputEvent::TouchMove,
             ack_handler_->acked_touch_event().event.type);
   EXPECT_EQ(0U, GetSentMessageCountAndResetSink());
 }
 
 // Tests that the touch-queue is emptied after a page stops listening for touch
 // events and the outstanding ack is received.
 TEST_F(InputRouterImplTest, TouchEventQueueFlush) {
   OnHasTouchEventHandlers(true);
-  EXPECT_TRUE(client_->has_touch_handler());
   EXPECT_EQ(0U, GetSentMessageCountAndResetSink());
   EXPECT_TRUE(TouchEventQueueEmpty());
 
   EXPECT_TRUE(input_router_->ShouldForwardTouchEvent());
 
   // Send a touch-press event.
   PressTouchPoint(1, 1);
   SendTouchEvent();
   MoveTouchPoint(0, 2, 2);
   MoveTouchPoint(0, 3, 3);
   EXPECT_FALSE(TouchEventQueueEmpty());
   EXPECT_EQ(1U, GetSentMessageCountAndResetSink());
 
   // The page stops listening for touch-events. Note that flushing is deferred
   // until the outstanding ack is received.
   OnHasTouchEventHandlers(false);
-  EXPECT_FALSE(client_->has_touch_handler());
   EXPECT_EQ(0U, GetSentMessageCountAndResetSink());
   EXPECT_FALSE(TouchEventQueueEmpty());
   EXPECT_TRUE(input_router_->ShouldForwardTouchEvent());
 
   // After the ack, the touch-event queue should be empty, and none of the
   // flushed touch-events should have been sent to the renderer.
   SendInputEventACK(WebInputEvent::TouchStart, INPUT_EVENT_ACK_STATE_CONSUMED);
   EXPECT_EQ(0U, GetSentMessageCountAndResetSink());
   EXPECT_TRUE(TouchEventQueueEmpty());
   EXPECT_FALSE(input_router_->ShouldForwardTouchEvent());
@@ skipping 700 matching lines @@
   SendInputEventACK(WebInputEvent::GestureTap, INPUT_EVENT_ACK_STATE_CONSUMED);
   EXPECT_EQ(0, client_->in_flight_event_count());
 }
 
 // Test that the router will call the client's |DidFlush| after all events have
 // been dispatched following a call to |Flush|.
 TEST_F(InputRouterImplTest, InputFlush) {
   EXPECT_FALSE(HasPendingEvents());
 
   // Flushing an empty router should immediately trigger DidFlush.
-  Flush();
+  RequestFlushedNotification();
   EXPECT_EQ(1U, GetAndResetDidFlushCount());
   EXPECT_FALSE(HasPendingEvents());
 
   // Queue a TouchStart.
   OnHasTouchEventHandlers(true);
   PressTouchPoint(1, 1);
   SendTouchEvent();
   EXPECT_TRUE(HasPendingEvents());
 
   // DidFlush should be called only after the event is ack'ed.
-  Flush();
+  RequestFlushedNotification();
   EXPECT_EQ(0U, GetAndResetDidFlushCount());
   SendInputEventACK(WebInputEvent::TouchStart,
                     INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
   EXPECT_EQ(1U, GetAndResetDidFlushCount());
 
   // Ensure different types of enqueued events will prevent the DidFlush call
   // until all such events have been fully dispatched.
   MoveTouchPoint(0, 50, 50);
   SendTouchEvent();
   ASSERT_TRUE(HasPendingEvents());
   SimulateGestureEvent(WebInputEvent::GestureScrollBegin,
                        blink::WebGestureDeviceTouchscreen);
   SimulateGestureEvent(WebInputEvent::GestureScrollUpdate,
                        blink::WebGestureDeviceTouchscreen);
   SimulateGestureEvent(WebInputEvent::GesturePinchBegin,
                        blink::WebGestureDeviceTouchscreen);
   SimulateGestureEvent(WebInputEvent::GesturePinchUpdate,
                        blink::WebGestureDeviceTouchscreen);
-  Flush();
+  RequestFlushedNotification();
   EXPECT_EQ(0U, GetAndResetDidFlushCount());
 
   // Repeated flush calls should have no effect.
-  Flush();
+  RequestFlushedNotification();
   EXPECT_EQ(0U, GetAndResetDidFlushCount());
 
   // There are still pending gestures.
   SendInputEventACK(WebInputEvent::TouchMove,
                     INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
   EXPECT_EQ(0U, GetAndResetDidFlushCount());
   EXPECT_TRUE(HasPendingEvents());
 
   // One more gesture to go.
   SendInputEventACK(WebInputEvent::GestureScrollUpdate,
@@ skipping 301 matching lines @@
 
   client_overscroll = client_->GetAndResetOverscroll();
   EXPECT_EQ(wheel_overscroll.accumulated_overscroll,
             client_overscroll.accumulated_overscroll);
   EXPECT_EQ(wheel_overscroll.latest_overscroll_delta,
             client_overscroll.latest_overscroll_delta);
   EXPECT_EQ(wheel_overscroll.current_fling_velocity,
             client_overscroll.current_fling_velocity);
 }
 
+TEST_F(InputRouterImplTest, TouchFlushedOnDestruction) {
+  // TODO(jdduke): Implement.
+}
+
 }  // namespace content