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// Copyright 2017 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/browser/renderer_host/overscroll_controller.h"
#include <memory>
#include "base/containers/queue.h"
#include "base/test/scoped_feature_list.h"
#include "content/browser/renderer_host/overscroll_controller_delegate.h"
#include "content/common/input/synthetic_web_input_event_builders.h"
#include "content/public/browser/overscroll_configuration.h"
#include "content/public/common/content_features.h"
#include "content/public/test/scoped_overscroll_modes.h"
#include "content/test/test_overscroll_delegate.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/web_input_event.h"
namespace content {
class OverscrollControllerTest : public ::testing::Test {
protected:
OverscrollControllerTest() {}
~OverscrollControllerTest() override {}
void SetUp() override {
OverscrollConfig::ResetTouchpadOverscrollHistoryNavigationEnabled();
scoped_feature_list_.InitAndEnableFeature(
features::kTouchpadOverscrollHistoryNavigation);
delegate_ = std::make_unique<TestOverscrollDelegate>(gfx::Size(400, 300));
controller_ = std::make_unique<OverscrollController>();
controller_->set_delegate(delegate_.get());
}
void TearDown() override {
controller_ = nullptr;
delegate_ = nullptr;
}
// Creates and sends a mouse-wheel event to the overscroll controller. Returns
// |true| if the event is consumed by the overscroll controller.
bool SimulateMouseWheel(float dx, float dy) {
DCHECK(!current_event_);
current_event_ = std::make_unique<blink::WebMouseWheelEvent>(
SyntheticWebMouseWheelEventBuilder::Build(0, 0, dx, dy, 0, true));
return controller_->WillHandleEvent(*current_event_);
}
// Creates and sends a gesture event to the overscroll controller. Returns
// |true| if the event is consumed by the overscroll controller.
bool SimulateGestureEvent(blink::WebInputEvent::Type type,
blink::WebGestureDevice source_device,
base::TimeTicks timestamp) {
DCHECK(!current_event_);
current_event_ = std::make_unique<blink::WebGestureEvent>(
SyntheticWebGestureEventBuilder::Build(type, source_device));
current_event_->SetTimeStamp(timestamp);
return controller_->WillHandleEvent(*current_event_);
}
// Creates and sends a gesture-scroll-update event to the overscroll
// controller. Returns |true| if the event is consumed by the overscroll
// controller.
bool SimulateGestureScrollUpdate(float dx,
float dy,
blink::WebGestureDevice device,
base::TimeTicks timestamp,
bool inertial_update) {
DCHECK(!current_event_);
auto event = std::make_unique<blink::WebGestureEvent>(
SyntheticWebGestureEventBuilder::BuildScrollUpdate(dx, dy, 0, device));
event->SetTimeStamp(timestamp);
if (inertial_update) {
event->data.scroll_update.inertial_phase =
blink::WebGestureEvent::kMomentumPhase;
}
current_event_ = std::move(event);
return controller_->WillHandleEvent(*current_event_);
}
// Creates and sends a gesture-fling-start event to the overscroll controller.
// Returns |true| if the event is consumed by the overscroll controller.
bool SimulateGestureFlingStart(float velocity_x,
float velocity_y,
blink::WebGestureDevice device,
base::TimeTicks timestamp) {
DCHECK(!current_event_);
current_event_ = std::make_unique<blink::WebGestureEvent>(
SyntheticWebGestureEventBuilder::BuildFling(velocity_x, velocity_y,
device));
current_event_->SetTimeStamp(timestamp);
return controller_->WillHandleEvent(*current_event_);
}
// Notifies the overscroll controller that the current event is ACKed.
void SimulateAck(bool processed) {
DCHECK(current_event_);
controller_->ReceivedEventACK(*current_event_, processed);
current_event_ = nullptr;
}
TestOverscrollDelegate* delegate() const { return delegate_.get(); }
OverscrollMode controller_mode() const {
return controller_->overscroll_mode_;
}
OverscrollSource controller_source() const {
return controller_->overscroll_source_;
}
private:
std::unique_ptr<TestOverscrollDelegate> delegate_;
std::unique_ptr<OverscrollController> controller_;
// Keeps track of the last event that has been processed by the overscroll
// controller which is not yet ACKed. Will be null if no event is processed or
// the last event is ACKed.
std::unique_ptr<blink::WebInputEvent> current_event_;
base::test::ScopedFeatureList scoped_feature_list_;
DISALLOW_COPY_AND_ASSIGN(OverscrollControllerTest);
};
// Tests that if a mouse-wheel is consumed by content before overscroll is
// initiated, overscroll will not initiate anymore.
TEST_F(OverscrollControllerTest, MouseWheelConsumedPreventsOverscroll) {
const base::TimeTicks timestamp =
blink::WebInputEvent::GetStaticTimeStampForTests();
// Simulate a mouse-wheel, ACK it as not processed, simulate the corresponding
// gesture scroll-update event, and ACK it as not processed. Since it is not
// passing the start threshold, no overscroll should happen.
EXPECT_FALSE(SimulateMouseWheel(10, 0));
SimulateAck(false);
EXPECT_FALSE(SimulateGestureScrollUpdate(
10, 0, blink::kWebGestureDeviceTouchpad, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
// Simulate a mouse-wheel and ACK it as processed. No gesture scroll-update
// needs to be simulated. Still no overscroll.
EXPECT_FALSE(SimulateMouseWheel(10, 0));
SimulateAck(true);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
// Simulate a mouse-wheel and the corresponding gesture scroll-update both
// ACKed as not processed. Although the scroll passes overscroll start
// threshold, no overscroll should happen since the previous mouse-wheel was
// marked as processed.
EXPECT_FALSE(SimulateMouseWheel(100, 0));
SimulateAck(false);
EXPECT_FALSE(SimulateGestureScrollUpdate(
100, 0, blink::kWebGestureDeviceTouchpad, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
}
// Verifying the inertial scroll event completes overscroll. After that we will
// ignore the following inertial scroll events until new sequence start.
TEST_F(OverscrollControllerTest,
InertialGestureScrollUpdateCompletesOverscroll) {
const base::TimeTicks timestamp =
blink::WebInputEvent::GetStaticTimeStampForTests();
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollBegin,
blink::kWebGestureDeviceTouchpad,
timestamp));
SimulateAck(false);
EXPECT_FALSE(SimulateGestureScrollUpdate(
200, 0, blink::kWebGestureDeviceTouchpad, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_EAST, controller_mode());
EXPECT_EQ(OverscrollSource::TOUCHPAD, controller_source());
EXPECT_EQ(OVERSCROLL_EAST, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
// Inertial update event complete the overscroll action.
EXPECT_FALSE(SimulateGestureScrollUpdate(
100, 0, blink::kWebGestureDeviceTouchpad, timestamp, true));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_EAST, delegate()->completed_mode());
// Next Inertial update event would be consumed by overscroll controller.
EXPECT_TRUE(SimulateGestureScrollUpdate(
100, 0, blink::kWebGestureDeviceTouchpad, timestamp, true));
}
// Ensure inertial gesture scroll update can not start overscroll.
TEST_F(OverscrollControllerTest, InertialGSUsDoNotStartOverscroll) {
base::TimeTicks timestamp =
blink::WebInputEvent::GetStaticTimeStampForTests();
// Inertial update event complete the overscroll action.
EXPECT_FALSE(SimulateGestureScrollUpdate(
100, 0, blink::kWebGestureDeviceTouchpad, timestamp, true));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
}
// After 300ms inertial gesture scroll updates, overscroll must get cancelled
// if not completed.
TEST_F(OverscrollControllerTest, OnlyProcessLimitedInertialGSUEvents) {
base::TimeTicks timestamp =
blink::WebInputEvent::GetStaticTimeStampForTests();
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollBegin,
blink::kWebGestureDeviceTouchpad,
timestamp));
SimulateAck(false);
EXPECT_FALSE(SimulateGestureScrollUpdate(
61, 0, blink::kWebGestureDeviceTouchpad, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_EAST, controller_mode());
EXPECT_EQ(OverscrollSource::TOUCHPAD, controller_source());
EXPECT_EQ(OVERSCROLL_EAST, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
// First inertial.
timestamp += base::TimeDelta::FromSeconds(1);
EXPECT_TRUE(SimulateGestureScrollUpdate(
1, 0, blink::kWebGestureDeviceTouchpad, timestamp, true));
SimulateAck(true);
EXPECT_EQ(OVERSCROLL_EAST, controller_mode());
EXPECT_EQ(OverscrollSource::TOUCHPAD, controller_source());
EXPECT_EQ(OVERSCROLL_EAST, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
// Not cancel in 10ms.
timestamp += base::TimeDelta::FromMilliseconds(10);
EXPECT_TRUE(SimulateGestureScrollUpdate(
1, 0, blink::kWebGestureDeviceTouchpad, timestamp, true));
SimulateAck(true);
EXPECT_EQ(OVERSCROLL_EAST, controller_mode());
EXPECT_EQ(OverscrollSource::TOUCHPAD, controller_source());
EXPECT_EQ(OVERSCROLL_EAST, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
// Cancel after 300ms.
timestamp += base::TimeDelta::FromMilliseconds(291);
EXPECT_TRUE(SimulateGestureScrollUpdate(
1, 0, blink::kWebGestureDeviceTouchpad, timestamp, true));
SimulateAck(true);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
// Next event should be ignored.
timestamp += base::TimeDelta::FromMilliseconds(100);
EXPECT_TRUE(SimulateGestureScrollUpdate(
1, 0, blink::kWebGestureDeviceTouchpad, timestamp, true));
}
// Verifies that when pull-to-refresh is disabled, it is not triggered for
// neither touchpad nor touchscreen.
TEST_F(OverscrollControllerTest, PullToRefreshDisabled) {
ScopedPullToRefreshMode scoped_mode(
OverscrollConfig::PullToRefreshMode::kDisabled);
base::TimeTicks timestamp =
blink::WebInputEvent::GetStaticTimeStampForTests();
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollBegin,
blink::kWebGestureDeviceTouchpad,
timestamp));
SimulateAck(false);
// Simulate a touchpad gesture scroll-update event that passes the start
// threshold and ACK it as not processed. Pull-to-refresh should not be
// triggered.
EXPECT_FALSE(SimulateGestureScrollUpdate(
0, 80, blink::kWebGestureDeviceTouchpad, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
timestamp += base::TimeDelta::FromSeconds(1);
// Simulate a touchpad zero-velocity fling-start which would normally end
// pull-to-refresh, and ACK it as not processed. Nothing should happen.
EXPECT_FALSE(SimulateGestureFlingStart(0, 0, blink::kWebGestureDeviceTouchpad,
timestamp));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
timestamp += base::TimeDelta::FromSeconds(1);
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollBegin,
blink::kWebGestureDeviceTouchscreen,
timestamp));
SimulateAck(false);
// Simulate a touchscreen gesture scroll-update event that passes the start
// threshold and ACK it as not processed. Pull-to-refresh should not be
// triggered.
EXPECT_FALSE(SimulateGestureScrollUpdate(
0, 80, blink::kWebGestureDeviceTouchscreen, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
timestamp += base::TimeDelta::FromSeconds(1);
// Simulate a touchscreen gesture scroll-end which would normally end
// pull-to-refresh, and ACK it as not processed. Nothing should happen.
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollEnd,
blink::kWebGestureDeviceTouchscreen,
timestamp));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
}
// Verifies that when pull-to-refresh is enabled, it is triggered for both
// touchpad and touchscreen.
TEST_F(OverscrollControllerTest, PullToRefreshEnabled) {
ScopedPullToRefreshMode scoped_mode(
OverscrollConfig::PullToRefreshMode::kEnabled);
base::TimeTicks timestamp =
blink::WebInputEvent::GetStaticTimeStampForTests();
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollBegin,
blink::kWebGestureDeviceTouchpad,
timestamp));
SimulateAck(false);
// Simulate a touchpad gesture scroll-update event that passes the start
// threshold and ACK it as not processed. Pull-to-refresh should be triggered.
EXPECT_FALSE(SimulateGestureScrollUpdate(
0, 80, blink::kWebGestureDeviceTouchpad, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_SOUTH, controller_mode());
EXPECT_EQ(OverscrollSource::TOUCHPAD, controller_source());
EXPECT_EQ(OVERSCROLL_SOUTH, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
timestamp += base::TimeDelta::FromSeconds(1);
// Simulate a touchpad zero-velocity fling-start and ACK it as not processed..
// It should abort pull-to-refresh.
EXPECT_FALSE(SimulateGestureFlingStart(0, 0, blink::kWebGestureDeviceTouchpad,
timestamp));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
timestamp += base::TimeDelta::FromSeconds(1);
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollBegin,
blink::kWebGestureDeviceTouchscreen,
timestamp));
SimulateAck(false);
// Simulate a touchscreen gesture scroll-update event that passes the start
// threshold and ACK it as not processed. Pull-to-refresh should be triggered.
EXPECT_FALSE(SimulateGestureScrollUpdate(
0, 80, blink::kWebGestureDeviceTouchscreen, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_SOUTH, controller_mode());
EXPECT_EQ(OverscrollSource::TOUCHSCREEN, controller_source());
EXPECT_EQ(OVERSCROLL_SOUTH, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
timestamp += base::TimeDelta::FromSeconds(1);
// Simulate a touchscreen gesture scroll-end and ACK it as not processed. It
// should abort pull-to-refresh.
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollEnd,
blink::kWebGestureDeviceTouchscreen,
timestamp));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
}
// Verifies that when pull-to-refresh is enabled only for touchscreen, it is
// triggered for touchscreen but not for touchpad.
TEST_F(OverscrollControllerTest, PullToRefreshEnabledTouchscreen) {
ScopedPullToRefreshMode scoped_mode(
OverscrollConfig::PullToRefreshMode::kEnabledTouchschreen);
base::TimeTicks timestamp =
blink::WebInputEvent::GetStaticTimeStampForTests();
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollBegin,
blink::kWebGestureDeviceTouchpad,
timestamp));
SimulateAck(false);
// Simulate a touchpad gesture scroll-update event that passes the start
// threshold and ACK it as not processed. Pull-to-refresh should not be
// triggered.
EXPECT_FALSE(SimulateGestureScrollUpdate(
0, 80, blink::kWebGestureDeviceTouchpad, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
timestamp += base::TimeDelta::FromSeconds(1);
// Simulate a touchpad zero-velocity fling-start which would normally end
// pull-to-refresh, and ACK it as not processed. Nothing should happen.
EXPECT_FALSE(SimulateGestureFlingStart(0, 0, blink::kWebGestureDeviceTouchpad,
timestamp));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
timestamp += base::TimeDelta::FromSeconds(1);
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollBegin,
blink::kWebGestureDeviceTouchscreen,
timestamp));
SimulateAck(false);
// Simulate a touchscreen gesture scroll-update event that passes the start
// threshold and ACK it as not processed. Pull-to-refresh should be triggered.
EXPECT_FALSE(SimulateGestureScrollUpdate(
0, 80, blink::kWebGestureDeviceTouchscreen, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_SOUTH, controller_mode());
EXPECT_EQ(OverscrollSource::TOUCHSCREEN, controller_source());
EXPECT_EQ(OVERSCROLL_SOUTH, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
timestamp += base::TimeDelta::FromSeconds(1);
// Simulate a touchscreen gesture scroll-end and ACK it as not processed. It
// should abort pull-to-refresh.
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollEnd,
blink::kWebGestureDeviceTouchscreen,
timestamp));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
}
// Ensure disabling kTouchpadOverscrollHistoryNavigation will prevent overscroll
// from touchpad.
TEST_F(OverscrollControllerTest, DisableTouchpadOverscrollHistoryNavigation) {
base::test::ScopedFeatureList feature_list;
feature_list.InitAndDisableFeature(
features::kTouchpadOverscrollHistoryNavigation);
ASSERT_FALSE(OverscrollConfig::TouchpadOverscrollHistoryNavigationEnabled());
const base::TimeTicks timestamp =
blink::WebInputEvent::GetStaticTimeStampForTests();
EXPECT_FALSE(SimulateGestureScrollUpdate(
200, 0, blink::kWebGestureDeviceTouchpad, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
}
// Verifies that if an overscroll happens before cool off period after a page
// scroll, it does not trigger pull-to-refresh.
TEST_F(OverscrollControllerTest, PullToRefreshCoolOff) {
ScopedPullToRefreshMode scoped_mode(
OverscrollConfig::PullToRefreshMode::kEnabled);
base::TimeTicks timestamp =
blink::WebInputEvent::GetStaticTimeStampForTests();
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollBegin,
blink::kWebGestureDeviceTouchscreen,
timestamp));
SimulateAck(false);
// Simulate a touchscreen gesture scroll-update event that passes the start
// threshold and ACK it as not processed. Pull-to-refresh should not be
// triggered.
EXPECT_FALSE(SimulateGestureScrollUpdate(
0, 80, blink::kWebGestureDeviceTouchscreen, timestamp, false));
SimulateAck(true);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
timestamp += base::TimeDelta::FromSeconds(1);
// Simulate a touchscreen gesture scroll-end which would normally end
// pull-to-refresh, and ACK it as not processed. Nothing should happen.
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollEnd,
blink::kWebGestureDeviceTouchscreen,
timestamp));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
// Next scroll should happen before cool off period is finished, so that it
// does not trigger pull-to-refresh.
timestamp += base::TimeDelta::FromSecondsD(0.5);
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollBegin,
blink::kWebGestureDeviceTouchscreen,
timestamp));
SimulateAck(false);
// Simulate a touchscreen gesture scroll-update event that passes the start
// threshold and ACK it as not processed. Pull-to-refresh should not be
// triggered.
EXPECT_FALSE(SimulateGestureScrollUpdate(
0, 80, blink::kWebGestureDeviceTouchscreen, timestamp, false));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
timestamp += base::TimeDelta::FromSeconds(1);
// Simulate a touchscreen gesture scroll-end which would normally end
// pull-to-refresh, and ACK it as not processed. Nothing should happen.
EXPECT_FALSE(SimulateGestureEvent(blink::WebInputEvent::kGestureScrollEnd,
blink::kWebGestureDeviceTouchscreen,
timestamp));
SimulateAck(false);
EXPECT_EQ(OVERSCROLL_NONE, controller_mode());
EXPECT_EQ(OverscrollSource::NONE, controller_source());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->current_mode());
EXPECT_EQ(OVERSCROLL_NONE, delegate()->completed_mode());
}
} // namespace content
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