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// 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 "content/renderer/render_widget.h"
#include <vector>
#include "base/macros.h"
#include "content/common/input/synthetic_web_input_event_builders.h"
#include "content/common/input/web_input_event_traits.h"
#include "content/common/input_messages.h"
#include "content/public/test/mock_render_thread.h"
#include "content/test/fake_compositor_dependencies.h"
#include "content/test/mock_render_process.h"
#include "ipc/ipc_test_sink.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
#include "ui/gfx/geometry/rect.h"
namespace content {
class InteractiveRenderWidget : public RenderWidget {
public:
explicit InteractiveRenderWidget(CompositorDependencies* compositor_deps)
: RenderWidget(compositor_deps,
blink::WebPopupTypeNone,
blink::WebScreenInfo(),
false,
false,
false),
always_overscroll_(false) {
// A RenderWidget is not fully initialized until it has a routing ID.
SetRoutingID(++next_routing_id_);
}
void SetTouchRegion(const std::vector<gfx::Rect>& rects) {
rects_ = rects;
}
void SendInputEvent(const blink::WebInputEvent& event) {
OnHandleInputEvent(
&event, ui::LatencyInfo(),
WebInputEventTraits::ShouldBlockEventStream(event)
? InputEventDispatchType::DISPATCH_TYPE_BLOCKING
: InputEventDispatchType::DISPATCH_TYPE_NON_BLOCKING);
}
void set_always_overscroll(bool overscroll) {
always_overscroll_ = overscroll;
}
IPC::TestSink* sink() { return &sink_; }
protected:
~InteractiveRenderWidget() override {}
// Overridden from RenderWidget:
bool HasTouchEventHandlersAt(const gfx::Point& point) const override {
for (std::vector<gfx::Rect>::const_iterator iter = rects_.begin();
iter != rects_.end(); ++iter) {
if ((*iter).Contains(point))
return true;
}
return false;
}
bool WillHandleGestureEvent(const blink::WebGestureEvent& event) override {
if (always_overscroll_ &&
event.type == blink::WebInputEvent::GestureScrollUpdate) {
didOverscroll(blink::WebFloatSize(event.data.scrollUpdate.deltaX,
event.data.scrollUpdate.deltaY),
blink::WebFloatSize(event.data.scrollUpdate.deltaX,
event.data.scrollUpdate.deltaY),
blink::WebFloatPoint(event.x, event.y),
blink::WebFloatSize(event.data.scrollUpdate.velocityX,
event.data.scrollUpdate.velocityY));
return true;
}
return false;
}
bool Send(IPC::Message* msg) override {
sink_.OnMessageReceived(*msg);
delete msg;
return true;
}
private:
std::vector<gfx::Rect> rects_;
IPC::TestSink sink_;
bool always_overscroll_;
static int next_routing_id_;
DISALLOW_COPY_AND_ASSIGN(InteractiveRenderWidget);
};
int InteractiveRenderWidget::next_routing_id_ = 0;
class RenderWidgetUnittest : public testing::Test {
public:
RenderWidgetUnittest()
: widget_(new InteractiveRenderWidget(&compositor_deps_)) {}
~RenderWidgetUnittest() override {}
InteractiveRenderWidget* widget() const { return widget_.get(); }
private:
MockRenderProcess render_process_;
MockRenderThread render_thread_;
FakeCompositorDependencies compositor_deps_;
scoped_refptr<InteractiveRenderWidget> widget_;
DISALLOW_COPY_AND_ASSIGN(RenderWidgetUnittest);
};
TEST_F(RenderWidgetUnittest, TouchHitTestSinglePoint) {
SyntheticWebTouchEvent touch;
touch.PressPoint(10, 10);
widget()->SendInputEvent(touch);
ASSERT_EQ(1u, widget()->sink()->message_count());
// Since there's currently no touch-event handling region, the response should
// be 'no consumer exists'.
const IPC::Message* message = widget()->sink()->GetMessageAt(0);
EXPECT_EQ(InputHostMsg_HandleInputEvent_ACK::ID, message->type());
InputHostMsg_HandleInputEvent_ACK::Param params;
InputHostMsg_HandleInputEvent_ACK::Read(message, ¶ms);
InputEventAckState ack_state = base::get<0>(params).state;
EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS, ack_state);
widget()->sink()->ClearMessages();
std::vector<gfx::Rect> rects;
rects.push_back(gfx::Rect(0, 0, 20, 20));
rects.push_back(gfx::Rect(25, 0, 10, 10));
widget()->SetTouchRegion(rects);
widget()->SendInputEvent(touch);
ASSERT_EQ(1u, widget()->sink()->message_count());
message = widget()->sink()->GetMessageAt(0);
EXPECT_EQ(InputHostMsg_HandleInputEvent_ACK::ID, message->type());
InputHostMsg_HandleInputEvent_ACK::Read(message, ¶ms);
ack_state = base::get<0>(params).state;
EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, ack_state);
widget()->sink()->ClearMessages();
}
TEST_F(RenderWidgetUnittest, TouchHitTestMultiplePoints) {
std::vector<gfx::Rect> rects;
rects.push_back(gfx::Rect(0, 0, 20, 20));
rects.push_back(gfx::Rect(25, 0, 10, 10));
widget()->SetTouchRegion(rects);
SyntheticWebTouchEvent touch;
touch.PressPoint(25, 25);
widget()->SendInputEvent(touch);
ASSERT_EQ(1u, widget()->sink()->message_count());
// Since there's currently no touch-event handling region, the response should
// be 'no consumer exists'.
const IPC::Message* message = widget()->sink()->GetMessageAt(0);
EXPECT_EQ(InputHostMsg_HandleInputEvent_ACK::ID, message->type());
InputHostMsg_HandleInputEvent_ACK::Param params;
InputHostMsg_HandleInputEvent_ACK::Read(message, ¶ms);
InputEventAckState ack_state = base::get<0>(params).state;
EXPECT_EQ(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS, ack_state);
widget()->sink()->ClearMessages();
// Press a second touch point. This time, on a touch-handling region.
touch.PressPoint(10, 10);
widget()->SendInputEvent(touch);
ASSERT_EQ(1u, widget()->sink()->message_count());
message = widget()->sink()->GetMessageAt(0);
EXPECT_EQ(InputHostMsg_HandleInputEvent_ACK::ID, message->type());
InputHostMsg_HandleInputEvent_ACK::Read(message, ¶ms);
ack_state = base::get<0>(params).state;
EXPECT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, ack_state);
widget()->sink()->ClearMessages();
}
TEST_F(RenderWidgetUnittest, EventOverscroll) {
widget()->set_always_overscroll(true);
blink::WebGestureEvent scroll;
scroll.type = blink::WebInputEvent::GestureScrollUpdate;
scroll.x = -10;
scroll.data.scrollUpdate.deltaY = 10;
widget()->SendInputEvent(scroll);
// Overscroll notifications received while handling an input event should
// be bundled with the event ack IPC.
ASSERT_EQ(1u, widget()->sink()->message_count());
const IPC::Message* message = widget()->sink()->GetMessageAt(0);
ASSERT_EQ(InputHostMsg_HandleInputEvent_ACK::ID, message->type());
InputHostMsg_HandleInputEvent_ACK::Param params;
InputHostMsg_HandleInputEvent_ACK::Read(message, ¶ms);
const InputEventAck& ack = base::get<0>(params);
ASSERT_EQ(ack.type, scroll.type);
ASSERT_TRUE(ack.overscroll);
EXPECT_EQ(gfx::Vector2dF(0, 10), ack.overscroll->accumulated_overscroll);
EXPECT_EQ(gfx::Vector2dF(0, 10), ack.overscroll->latest_overscroll_delta);
EXPECT_EQ(gfx::Vector2dF(), ack.overscroll->current_fling_velocity);
EXPECT_EQ(gfx::PointF(-10, 0), ack.overscroll->causal_event_viewport_point);
widget()->sink()->ClearMessages();
}
TEST_F(RenderWidgetUnittest, FlingOverscroll) {
// Overscroll notifications received outside of handling an input event should
// be sent as a separate IPC.
widget()->didOverscroll(blink::WebFloatSize(10, 5), blink::WebFloatSize(5, 5),
blink::WebFloatPoint(1, 1),
blink::WebFloatSize(10, 5));
ASSERT_EQ(1u, widget()->sink()->message_count());
const IPC::Message* message = widget()->sink()->GetMessageAt(0);
ASSERT_EQ(InputHostMsg_DidOverscroll::ID, message->type());
InputHostMsg_DidOverscroll::Param params;
InputHostMsg_DidOverscroll::Read(message, ¶ms);
const DidOverscrollParams& overscroll = base::get<0>(params);
EXPECT_EQ(gfx::Vector2dF(10, 5), overscroll.latest_overscroll_delta);
EXPECT_EQ(gfx::Vector2dF(5, 5), overscroll.accumulated_overscroll);
EXPECT_EQ(gfx::PointF(1, 1), overscroll.causal_event_viewport_point);
EXPECT_EQ(gfx::Vector2dF(-10, -5), overscroll.current_fling_velocity);
widget()->sink()->ClearMessages();
}
} // namespace content
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