// testing::Test:
virtual void SetUp() OVERRIDE {
processor_.SetRoot(scoped_ptr<EventTarget>(new TestEventTarget()));
+ processor_.ResetCounts();
root()->SetEventTargeter(make_scoped_ptr(new EventTargeter()));
}
return static_cast<TestEventTarget*>(processor_.GetRootTarget());
}
+ TestEventProcessor* processor() {
+ return &processor_;
+ }
+
void DispatchEvent(Event* event) {
processor_.OnEventFromSource(event);
}
EXPECT_TRUE(grandchild_r->DidReceiveEvent(ET_MOUSE_MOVED));
}
+// ReDispatchEventHandler is used to receive mouse events and forward them
+// to a specified EventProcessor. Verifies that the event has the correct
+// target and phase both before and after the nested event processing. Also
+// verifies that the location of the event remains the same after it has
+// been processed by the second EventProcessor.
+class ReDispatchEventHandler : public TestEventHandler {
+ public:
+ ReDispatchEventHandler(EventProcessor* processor, EventTarget* target)
+ : processor_(processor), expected_target_(target) {}
+ virtual ~ReDispatchEventHandler() {}
+
+ // TestEventHandler:
+ virtual void OnMouseEvent(MouseEvent* event) OVERRIDE {
+ TestEventHandler::OnMouseEvent(event);
+
+ EXPECT_EQ(expected_target_, event->target());
+ EXPECT_EQ(EP_TARGET, event->phase());
+
+ gfx::Point location(event->location());
+ EventDispatchDetails details = processor_->OnEventFromSource(event);
+ EXPECT_FALSE(details.dispatcher_destroyed);
+ EXPECT_FALSE(details.target_destroyed);
+
+ // The nested event-processing should not have mutated the target,
+ // phase, or location of |event|.
+ EXPECT_EQ(expected_target_, event->target());
+ EXPECT_EQ(EP_TARGET, event->phase());
+ EXPECT_EQ(location, event->location());
+ }
+
+ private:
+ EventProcessor* processor_;
+ EventTarget* expected_target_;
+
+ DISALLOW_COPY_AND_ASSIGN(ReDispatchEventHandler);
+};
+
+// Verifies that the phase and target information of an event is not mutated
+// as a result of sending the event to an event processor while it is still
+// being processed by another event processor.
+TEST_F(EventProcessorTest, NestedEventProcessing) {
+ // Add one child to the default event processor used in this test suite.
+ scoped_ptr<TestEventTarget> child(new TestEventTarget());
+ root()->AddChild(child.Pass());
+
+ // Define a second root target and child.
+ scoped_ptr<EventTarget> second_root_scoped(new TestEventTarget());
+ TestEventTarget* second_root =
+ static_cast<TestEventTarget*>(second_root_scoped.get());
+ second_root->SetEventTargeter(make_scoped_ptr(new EventTargeter()));
+ scoped_ptr<TestEventTarget> second_child(new TestEventTarget());
+ second_root->AddChild(second_child.Pass());
+
+ // Define a second event processor which owns the second root.
+ scoped_ptr<TestEventProcessor> second_processor(new TestEventProcessor());
+ second_processor->SetRoot(second_root_scoped.Pass());
+
+ // Indicate that an event which is dispatched to the child target owned by the
+ // first event processor should be handled by |target_handler| instead.
+ scoped_ptr<TestEventHandler> target_handler(
+ new ReDispatchEventHandler(second_processor.get(), root()->child_at(0)));
+ root()->child_at(0)->set_target_handler(target_handler.get());
+
+ // Dispatch a mouse event to the tree of event targets owned by the first
+ // event processor, checking in ReDispatchEventHandler that the phase and
+ // target information of the event is correct.
+ MouseEvent mouse(
+ ET_MOUSE_MOVED, gfx::Point(10, 10), gfx::Point(10, 10), EF_NONE, EF_NONE);
+ DispatchEvent(&mouse);
+
+ // Verify also that |mouse| was seen by the child nodes contained in both
+ // event processors and that the event was not handled.
+ EXPECT_TRUE(root()->child_at(0)->DidReceiveEvent(ET_MOUSE_MOVED));
+ EXPECT_TRUE(second_root->child_at(0)->DidReceiveEvent(ET_MOUSE_MOVED));
+ EXPECT_FALSE(mouse.handled());
+ second_root->child_at(0)->ResetReceivedEvents();
+ root()->child_at(0)->ResetReceivedEvents();
+
+ // Indicate that the child of the second root should handle events, and
+ // dispatch another mouse event to verify that it is marked as handled.
+ second_root->child_at(0)->set_mark_events_as_handled(true);
+ MouseEvent mouse2(
+ ET_MOUSE_MOVED, gfx::Point(10, 10), gfx::Point(10, 10), EF_NONE, EF_NONE);
+ DispatchEvent(&mouse2);
+ EXPECT_TRUE(root()->child_at(0)->DidReceiveEvent(ET_MOUSE_MOVED));
+ EXPECT_TRUE(second_root->child_at(0)->DidReceiveEvent(ET_MOUSE_MOVED));
+ EXPECT_TRUE(mouse2.handled());
+}
+
+// Verifies that OnEventProcessingFinished() is called when an event
+// has been handled.
+TEST_F(EventProcessorTest, OnEventProcessingFinished) {
+ scoped_ptr<TestEventTarget> child(new TestEventTarget());
+ child->set_mark_events_as_handled(true);
+ root()->AddChild(child.Pass());
+
+ // Dispatch a mouse event. We expect the event to be seen by the target,
+ // handled, and we expect OnEventProcessingFinished() to be invoked once.
+ MouseEvent mouse(ET_MOUSE_MOVED, gfx::Point(10, 10), gfx::Point(10, 10),
+ EF_NONE, EF_NONE);
+ DispatchEvent(&mouse);
+ EXPECT_TRUE(root()->child_at(0)->DidReceiveEvent(ET_MOUSE_MOVED));
+ EXPECT_FALSE(root()->DidReceiveEvent(ET_MOUSE_MOVED));
+ EXPECT_TRUE(mouse.handled());
+ EXPECT_EQ(1, processor()->num_times_processing_finished());
+}
+
class IgnoreEventTargeter : public EventTargeter {
public:
IgnoreEventTargeter() {}