blob: 60ca59b834fdbc8ace6b44d075436e7bc4823807 [file] [log] [blame]
// Copyright 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 "cc/trees/layer_tree_host.h"
#include "base/memory/weak_ptr.h"
#include "cc/layers/layer.h"
#include "cc/layers/layer_impl.h"
#include "cc/layers/picture_layer.h"
#include "cc/test/fake_content_layer_client.h"
#include "cc/test/fake_layer_tree_host_client.h"
#include "cc/test/fake_picture_layer.h"
#include "cc/test/fake_picture_layer_impl.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/test/layer_tree_test.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "cc/trees/layer_tree_impl.h"
#include "ui/gfx/point_conversions.h"
#include "ui/gfx/size_conversions.h"
#include "ui/gfx/vector2d_conversions.h"
namespace cc {
namespace {
class LayerTreeHostScrollTest : public LayerTreeTest {};
class LayerTreeHostScrollTestScrollSimple : public LayerTreeHostScrollTest {
public:
LayerTreeHostScrollTestScrollSimple()
: initial_scroll_(10, 20),
second_scroll_(40, 5),
scroll_amount_(2, -1),
num_scrolls_(0) {}
virtual void BeginTest() OVERRIDE {
Layer* root_layer = layer_tree_host()->root_layer();
scoped_refptr<Layer> scroll_layer = Layer::Create();
root_layer->AddChild(scroll_layer);
// Create an effective max_scroll_offset of (100, 100).
scroll_layer->SetBounds(gfx::Size(root_layer->bounds().width() + 100,
root_layer->bounds().height() + 100));
scroll_layer->SetIsDrawable(true);
scroll_layer->SetIsContainerForFixedPositionLayers(true);
scroll_layer->SetScrollClipLayerId(root_layer->id());
scroll_layer->SetScrollOffset(initial_scroll_);
layer_tree_host()->RegisterViewportLayers(root_layer, scroll_layer, NULL);
PostSetNeedsCommitToMainThread();
}
virtual void Layout() OVERRIDE {
Layer* root = layer_tree_host()->root_layer();
Layer* scroll_layer = root->children()[0];
if (!layer_tree_host()->source_frame_number()) {
EXPECT_VECTOR_EQ(initial_scroll_, scroll_layer->scroll_offset());
} else {
EXPECT_VECTOR_EQ(initial_scroll_ + scroll_amount_,
scroll_layer->scroll_offset());
// Pretend like Javascript updated the scroll position itself.
scroll_layer->SetScrollOffset(second_scroll_);
}
}
virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
LayerImpl* root = impl->active_tree()->root_layer();
LayerImpl* scroll_layer = root->children()[0];
EXPECT_VECTOR_EQ(gfx::Vector2d(), scroll_layer->ScrollDelta());
scroll_layer->SetScrollClipLayer(root->id());
scroll_layer->SetBounds(
gfx::Size(root->bounds().width() + 100, root->bounds().height() + 100));
scroll_layer->ScrollBy(scroll_amount_);
switch (impl->active_tree()->source_frame_number()) {
case 0:
EXPECT_VECTOR_EQ(initial_scroll_, scroll_layer->scroll_offset());
EXPECT_VECTOR_EQ(scroll_amount_, scroll_layer->ScrollDelta());
PostSetNeedsCommitToMainThread();
break;
case 1:
EXPECT_VECTOR_EQ(scroll_layer->scroll_offset(), second_scroll_);
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(), scroll_amount_);
EndTest();
break;
}
}
virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
float scale) OVERRIDE {
num_scrolls_++;
}
virtual void AfterTest() OVERRIDE { EXPECT_EQ(1, num_scrolls_); }
private:
gfx::Vector2d initial_scroll_;
gfx::Vector2d second_scroll_;
gfx::Vector2d scroll_amount_;
int num_scrolls_;
};
MULTI_THREAD_TEST_F(LayerTreeHostScrollTestScrollSimple);
class LayerTreeHostScrollTestScrollMultipleRedraw
: public LayerTreeHostScrollTest {
public:
LayerTreeHostScrollTestScrollMultipleRedraw()
: initial_scroll_(40, 10), scroll_amount_(-3, 17), num_scrolls_(0) {}
virtual void BeginTest() OVERRIDE {
Layer* root_layer = layer_tree_host()->root_layer();
scroll_layer_ = Layer::Create();
root_layer->AddChild(scroll_layer_);
// Create an effective max_scroll_offset of (100, 100).
scroll_layer_->SetBounds(gfx::Size(root_layer->bounds().width() + 100,
root_layer->bounds().height() + 100));
scroll_layer_->SetIsDrawable(true);
scroll_layer_->SetIsContainerForFixedPositionLayers(true);
scroll_layer_->SetScrollClipLayerId(root_layer->id());
scroll_layer_->SetScrollOffset(initial_scroll_);
layer_tree_host()->RegisterViewportLayers(root_layer, scroll_layer_, NULL);
PostSetNeedsCommitToMainThread();
}
virtual void BeginCommitOnThread(LayerTreeHostImpl* impl) OVERRIDE {
switch (layer_tree_host()->source_frame_number()) {
case 0:
EXPECT_VECTOR_EQ(scroll_layer_->scroll_offset(), initial_scroll_);
break;
case 1:
EXPECT_VECTOR_EQ(scroll_layer_->scroll_offset(),
initial_scroll_ + scroll_amount_ + scroll_amount_);
case 2:
EXPECT_VECTOR_EQ(scroll_layer_->scroll_offset(),
initial_scroll_ + scroll_amount_ + scroll_amount_);
break;
}
}
virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
LayerImpl* scroll_layer =
impl->active_tree()->LayerById(scroll_layer_->id());
if (impl->active_tree()->source_frame_number() == 0 &&
impl->SourceAnimationFrameNumber() == 1) {
// First draw after first commit.
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(), gfx::Vector2d());
scroll_layer->ScrollBy(scroll_amount_);
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(), scroll_amount_);
EXPECT_VECTOR_EQ(scroll_layer->scroll_offset(), initial_scroll_);
PostSetNeedsRedrawToMainThread();
} else if (impl->active_tree()->source_frame_number() == 0 &&
impl->SourceAnimationFrameNumber() == 2) {
// Second draw after first commit.
EXPECT_EQ(scroll_layer->ScrollDelta(), scroll_amount_);
scroll_layer->ScrollBy(scroll_amount_);
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(),
scroll_amount_ + scroll_amount_);
EXPECT_VECTOR_EQ(scroll_layer_->scroll_offset(), initial_scroll_);
PostSetNeedsCommitToMainThread();
} else if (impl->active_tree()->source_frame_number() == 1) {
// Third or later draw after second commit.
EXPECT_GE(impl->SourceAnimationFrameNumber(), 3);
EXPECT_VECTOR_EQ(scroll_layer_->ScrollDelta(), gfx::Vector2d());
EXPECT_VECTOR_EQ(scroll_layer_->scroll_offset(),
initial_scroll_ + scroll_amount_ + scroll_amount_);
EndTest();
}
}
virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
float scale) OVERRIDE {
num_scrolls_++;
}
virtual void AfterTest() OVERRIDE { EXPECT_EQ(1, num_scrolls_); }
private:
gfx::Vector2d initial_scroll_;
gfx::Vector2d scroll_amount_;
int num_scrolls_;
scoped_refptr<Layer> scroll_layer_;
};
MULTI_THREAD_TEST_F(LayerTreeHostScrollTestScrollMultipleRedraw);
class LayerTreeHostScrollTestScrollAbortedCommit
: public LayerTreeHostScrollTest {
public:
LayerTreeHostScrollTestScrollAbortedCommit()
: initial_scroll_(50, 60),
impl_scroll_(-3, 2),
second_main_scroll_(14, -3),
impl_scale_(2.f),
num_will_begin_main_frames_(0),
num_did_begin_main_frames_(0),
num_will_commits_(0),
num_did_commits_(0),
num_impl_commits_(0),
num_impl_scrolls_(0) {}
virtual void BeginTest() OVERRIDE { PostSetNeedsCommitToMainThread(); }
virtual void SetupTree() OVERRIDE {
LayerTreeHostScrollTest::SetupTree();
Layer* root_layer = layer_tree_host()->root_layer();
scoped_refptr<Layer> root_scroll_layer = Layer::Create();
root_scroll_layer->SetScrollClipLayerId(root_layer->id());
root_scroll_layer->SetScrollOffset(initial_scroll_);
root_scroll_layer->SetBounds(gfx::Size(200, 200));
root_scroll_layer->SetIsDrawable(true);
root_scroll_layer->SetIsContainerForFixedPositionLayers(true);
root_layer->AddChild(root_scroll_layer);
layer_tree_host()->RegisterViewportLayers(
root_layer, root_scroll_layer, NULL);
layer_tree_host()->SetPageScaleFactorAndLimits(1.f, 0.01f, 100.f);
}
virtual void WillBeginMainFrame() OVERRIDE {
num_will_begin_main_frames_++;
Layer* root_scroll_layer = layer_tree_host()->root_layer()->children()[0];
switch (num_will_begin_main_frames_) {
case 1:
// This will not be aborted because of the initial prop changes.
EXPECT_EQ(0, num_impl_scrolls_);
EXPECT_EQ(0, layer_tree_host()->source_frame_number());
EXPECT_VECTOR_EQ(root_scroll_layer->scroll_offset(), initial_scroll_);
EXPECT_EQ(1.f, layer_tree_host()->page_scale_factor());
break;
case 2:
// This commit will be aborted, and another commit will be
// initiated from the redraw.
EXPECT_EQ(1, num_impl_scrolls_);
EXPECT_EQ(1, layer_tree_host()->source_frame_number());
EXPECT_VECTOR_EQ(root_scroll_layer->scroll_offset(),
initial_scroll_ + impl_scroll_);
EXPECT_EQ(impl_scale_, layer_tree_host()->page_scale_factor());
PostSetNeedsRedrawToMainThread();
break;
case 3:
// This commit will not be aborted because of the scroll change.
EXPECT_EQ(2, num_impl_scrolls_);
// The source frame number still increases even with the abort.
EXPECT_EQ(2, layer_tree_host()->source_frame_number());
EXPECT_VECTOR_EQ(root_scroll_layer->scroll_offset(),
initial_scroll_ + impl_scroll_ + impl_scroll_);
EXPECT_EQ(impl_scale_ * impl_scale_,
layer_tree_host()->page_scale_factor());
root_scroll_layer->SetScrollOffset(root_scroll_layer->scroll_offset() +
second_main_scroll_);
break;
case 4:
// This commit will also be aborted.
EXPECT_EQ(3, num_impl_scrolls_);
EXPECT_EQ(3, layer_tree_host()->source_frame_number());
EXPECT_VECTOR_EQ(root_scroll_layer->scroll_offset(),
initial_scroll_ + impl_scroll_ + impl_scroll_ +
impl_scroll_ + second_main_scroll_);
// End the test by drawing to verify this commit is also aborted.
PostSetNeedsRedrawToMainThread();
break;
}
}
virtual void DidBeginMainFrame() OVERRIDE { num_did_begin_main_frames_++; }
virtual void WillCommit() OVERRIDE { num_will_commits_++; }
virtual void DidCommit() OVERRIDE { num_did_commits_++; }
virtual void BeginCommitOnThread(LayerTreeHostImpl* impl) OVERRIDE {
num_impl_commits_++;
}
virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
LayerImpl* root_scroll_layer =
impl->active_tree()->root_layer()->children()[0];
if (impl->active_tree()->source_frame_number() == 0 &&
impl->SourceAnimationFrameNumber() == 1) {
// First draw
EXPECT_VECTOR_EQ(root_scroll_layer->ScrollDelta(), gfx::Vector2d());
root_scroll_layer->ScrollBy(impl_scroll_);
EXPECT_VECTOR_EQ(root_scroll_layer->ScrollDelta(), impl_scroll_);
EXPECT_VECTOR_EQ(root_scroll_layer->scroll_offset(), initial_scroll_);
EXPECT_EQ(1.f, impl->active_tree()->page_scale_delta());
EXPECT_EQ(1.f, impl->active_tree()->total_page_scale_factor());
impl->active_tree()->SetPageScaleDelta(impl_scale_);
EXPECT_EQ(impl_scale_, impl->active_tree()->page_scale_delta());
EXPECT_EQ(impl_scale_, impl->active_tree()->total_page_scale_factor());
// To simplify the testing flow, don't redraw here, just commit.
impl->SetNeedsCommit();
} else if (impl->active_tree()->source_frame_number() == 0 &&
impl->SourceAnimationFrameNumber() == 2) {
// Test a second draw after an aborted commit.
// The scroll/scale values should be baked into the offset/scale factor
// since the main thread consumed but aborted the begin frame.
EXPECT_VECTOR_EQ(root_scroll_layer->ScrollDelta(), gfx::Vector2d());
root_scroll_layer->ScrollBy(impl_scroll_);
EXPECT_VECTOR_EQ(root_scroll_layer->ScrollDelta(), impl_scroll_);
EXPECT_VECTOR_EQ(root_scroll_layer->scroll_offset(),
initial_scroll_ + impl_scroll_);
EXPECT_EQ(1.f, impl->active_tree()->page_scale_delta());
EXPECT_EQ(impl_scale_, impl->active_tree()->total_page_scale_factor());
impl->active_tree()->SetPageScaleDelta(impl_scale_);
EXPECT_EQ(impl_scale_, impl->active_tree()->page_scale_delta());
EXPECT_EQ(impl_scale_ * impl_scale_,
impl->active_tree()->total_page_scale_factor());
impl->SetNeedsCommit();
} else if (impl->active_tree()->source_frame_number() == 1) {
// Commit for source frame 1 is aborted.
NOTREACHED();
} else if (impl->active_tree()->source_frame_number() == 2 &&
impl->SourceAnimationFrameNumber() == 3) {
// Third draw after the second full commit.
EXPECT_EQ(root_scroll_layer->ScrollDelta(), gfx::Vector2d());
root_scroll_layer->ScrollBy(impl_scroll_);
impl->SetNeedsCommit();
EXPECT_VECTOR_EQ(root_scroll_layer->ScrollDelta(), impl_scroll_);
EXPECT_VECTOR_EQ(
root_scroll_layer->scroll_offset(),
initial_scroll_ + impl_scroll_ + impl_scroll_ + second_main_scroll_);
} else if (impl->active_tree()->source_frame_number() == 2 &&
impl->SourceAnimationFrameNumber() == 4) {
// Final draw after the second aborted commit.
EXPECT_VECTOR_EQ(root_scroll_layer->ScrollDelta(), gfx::Vector2d());
EXPECT_VECTOR_EQ(root_scroll_layer->scroll_offset(),
initial_scroll_ + impl_scroll_ + impl_scroll_ +
impl_scroll_ + second_main_scroll_);
EndTest();
} else {
// Commit for source frame 3 is aborted.
NOTREACHED();
}
}
virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
float scale) OVERRIDE {
num_impl_scrolls_++;
}
virtual void AfterTest() OVERRIDE {
EXPECT_EQ(3, num_impl_scrolls_);
// Verify that the embedder sees aborted commits as real commits.
EXPECT_EQ(4, num_will_begin_main_frames_);
EXPECT_EQ(4, num_did_begin_main_frames_);
EXPECT_EQ(4, num_will_commits_);
EXPECT_EQ(4, num_did_commits_);
// ...but the compositor thread only sees two real ones.
EXPECT_EQ(2, num_impl_commits_);
}
private:
gfx::Vector2d initial_scroll_;
gfx::Vector2d impl_scroll_;
gfx::Vector2d second_main_scroll_;
float impl_scale_;
int num_will_begin_main_frames_;
int num_did_begin_main_frames_;
int num_will_commits_;
int num_did_commits_;
int num_impl_commits_;
int num_impl_scrolls_;
};
MULTI_THREAD_TEST_F(LayerTreeHostScrollTestScrollAbortedCommit);
class LayerTreeHostScrollTestFractionalScroll : public LayerTreeHostScrollTest {
public:
LayerTreeHostScrollTestFractionalScroll() : scroll_amount_(1.75, 0) {}
virtual void SetupTree() OVERRIDE {
LayerTreeHostScrollTest::SetupTree();
Layer* root_layer = layer_tree_host()->root_layer();
scoped_refptr<Layer> root_scroll_layer = Layer::Create();
root_scroll_layer->SetScrollClipLayerId(root_layer->id());
root_scroll_layer->SetBounds(
gfx::Size(root_layer->bounds().width() + 100,
root_layer->bounds().height() + 100));
root_scroll_layer->SetIsDrawable(true);
root_scroll_layer->SetIsContainerForFixedPositionLayers(true);
root_layer->AddChild(root_scroll_layer);
layer_tree_host()->RegisterViewportLayers(
root_layer, root_scroll_layer, NULL);
layer_tree_host()->SetPageScaleFactorAndLimits(1.f, 0.01f, 100.f);
}
virtual void BeginTest() OVERRIDE {
PostSetNeedsCommitToMainThread();
}
virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
LayerImpl* root = impl->active_tree()->root_layer();
LayerImpl* scroll_layer = root->children()[0];
// Check that a fractional scroll delta is correctly accumulated over
// multiple commits.
switch (impl->active_tree()->source_frame_number()) {
case 0:
EXPECT_VECTOR_EQ(scroll_layer->scroll_offset(), gfx::Vector2d(0, 0));
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(), gfx::Vector2d(0, 0));
PostSetNeedsCommitToMainThread();
break;
case 1:
EXPECT_VECTOR_EQ(scroll_layer->scroll_offset(),
gfx::ToFlooredVector2d(scroll_amount_));
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(),
gfx::Vector2dF(fmod(scroll_amount_.x(), 1.0f), 0.0f));
PostSetNeedsCommitToMainThread();
break;
case 2:
EXPECT_VECTOR_EQ(
scroll_layer->scroll_offset(),
gfx::ToFlooredVector2d(scroll_amount_ + scroll_amount_));
EXPECT_VECTOR_EQ(
scroll_layer->ScrollDelta(),
gfx::Vector2dF(fmod(2.0f * scroll_amount_.x(), 1.0f), 0.0f));
EndTest();
break;
}
scroll_layer->ScrollBy(scroll_amount_);
}
virtual void AfterTest() OVERRIDE {}
private:
gfx::Vector2dF scroll_amount_;
};
MULTI_THREAD_TEST_F(LayerTreeHostScrollTestFractionalScroll);
class LayerTreeHostScrollTestCaseWithChild : public LayerTreeHostScrollTest {
public:
LayerTreeHostScrollTestCaseWithChild()
: initial_offset_(10, 20),
javascript_scroll_(40, 5),
scroll_amount_(2, -1),
num_scrolls_(0) {}
virtual void SetupTree() OVERRIDE {
layer_tree_host()->SetDeviceScaleFactor(device_scale_factor_);
scoped_refptr<Layer> root_layer = Layer::Create();
root_layer->SetBounds(gfx::Size(10, 10));
root_scroll_layer_ = FakePictureLayer::Create(&fake_content_layer_client_);
root_scroll_layer_->SetBounds(gfx::Size(110, 110));
root_scroll_layer_->SetPosition(gfx::Point());
root_scroll_layer_->SetIsDrawable(true);
root_scroll_layer_->SetScrollClipLayerId(root_layer->id());
root_scroll_layer_->SetIsContainerForFixedPositionLayers(true);
root_layer->AddChild(root_scroll_layer_);
child_layer_ = FakePictureLayer::Create(&fake_content_layer_client_);
child_layer_->set_did_scroll_callback(
base::Bind(&LayerTreeHostScrollTestCaseWithChild::DidScroll,
base::Unretained(this)));
child_layer_->SetBounds(gfx::Size(110, 110));
if (scroll_child_layer_) {
// Scrolls on the child layer will happen at 5, 5. If they are treated
// like device pixels, and device scale factor is 2, then they will
// be considered at 2.5, 2.5 in logical pixels, and will miss this layer.
child_layer_->SetPosition(gfx::Point(5, 5));
} else {
// Adjust the child layer horizontally so that scrolls will never hit it.
child_layer_->SetPosition(gfx::Point(60, 5));
}
child_layer_->SetIsDrawable(true);
child_layer_->SetScrollClipLayerId(root_layer->id());
child_layer_->SetBounds(root_scroll_layer_->bounds());
root_scroll_layer_->AddChild(child_layer_);
if (scroll_child_layer_) {
expected_scroll_layer_ = child_layer_;
expected_no_scroll_layer_ = root_scroll_layer_;
} else {
expected_scroll_layer_ = root_scroll_layer_;
expected_no_scroll_layer_ = child_layer_;
}
expected_scroll_layer_->SetScrollOffset(initial_offset_);
layer_tree_host()->SetRootLayer(root_layer);
layer_tree_host()->RegisterViewportLayers(
root_layer, root_scroll_layer_, NULL);
LayerTreeHostScrollTest::SetupTree();
}
virtual void BeginTest() OVERRIDE { PostSetNeedsCommitToMainThread(); }
virtual void WillCommit() OVERRIDE {
// Keep the test committing (otherwise the early out for no update
// will stall the test).
if (layer_tree_host()->source_frame_number() < 2) {
layer_tree_host()->SetNeedsCommit();
}
}
void DidScroll() {
final_scroll_offset_ = expected_scroll_layer_->scroll_offset();
}
virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
float scale) OVERRIDE {
num_scrolls_++;
}
virtual void Layout() OVERRIDE {
EXPECT_VECTOR_EQ(gfx::Vector2d(),
expected_no_scroll_layer_->scroll_offset());
switch (layer_tree_host()->source_frame_number()) {
case 0:
EXPECT_VECTOR_EQ(initial_offset_,
expected_scroll_layer_->scroll_offset());
break;
case 1:
EXPECT_VECTOR_EQ(initial_offset_ + scroll_amount_,
expected_scroll_layer_->scroll_offset());
// Pretend like Javascript updated the scroll position itself.
expected_scroll_layer_->SetScrollOffset(javascript_scroll_);
break;
case 2:
EXPECT_VECTOR_EQ(javascript_scroll_ + scroll_amount_,
expected_scroll_layer_->scroll_offset());
break;
}
}
virtual void DidActivateTreeOnThread(LayerTreeHostImpl* impl) OVERRIDE {
LayerImpl* root_impl = impl->active_tree()->root_layer();
FakePictureLayerImpl* root_scroll_layer_impl =
static_cast<FakePictureLayerImpl*>(root_impl->children()[0]);
FakePictureLayerImpl* child_layer_impl = static_cast<FakePictureLayerImpl*>(
root_scroll_layer_impl->children()[0]);
LayerImpl* expected_scroll_layer_impl = NULL;
LayerImpl* expected_no_scroll_layer_impl = NULL;
if (scroll_child_layer_) {
expected_scroll_layer_impl = child_layer_impl;
expected_no_scroll_layer_impl = root_scroll_layer_impl;
} else {
expected_scroll_layer_impl = root_scroll_layer_impl;
expected_no_scroll_layer_impl = child_layer_impl;
}
EXPECT_VECTOR_EQ(gfx::Vector2d(), root_impl->ScrollDelta());
EXPECT_VECTOR_EQ(gfx::Vector2d(),
expected_no_scroll_layer_impl->ScrollDelta());
// Ensure device scale factor is affecting the layers.
EXPECT_FLOAT_EQ(device_scale_factor_,
root_scroll_layer_impl->HighResTiling()->contents_scale());
EXPECT_FLOAT_EQ(device_scale_factor_,
child_layer_impl->HighResTiling()->contents_scale());
switch (impl->active_tree()->source_frame_number()) {
case 0: {
// Gesture scroll on impl thread.
InputHandler::ScrollStatus status = impl->ScrollBegin(
gfx::ToCeiledPoint(expected_scroll_layer_impl->position() -
gfx::Vector2dF(0.5f, 0.5f)),
InputHandler::Gesture);
EXPECT_EQ(InputHandler::ScrollStarted, status);
impl->ScrollBy(gfx::Point(), scroll_amount_);
impl->ScrollEnd();
// Check the scroll is applied as a delta.
EXPECT_VECTOR_EQ(initial_offset_,
expected_scroll_layer_impl->scroll_offset());
EXPECT_VECTOR_EQ(scroll_amount_,
expected_scroll_layer_impl->ScrollDelta());
break;
}
case 1: {
// Wheel scroll on impl thread.
InputHandler::ScrollStatus status = impl->ScrollBegin(
gfx::ToCeiledPoint(expected_scroll_layer_impl->position() +
gfx::Vector2dF(0.5f, 0.5f)),
InputHandler::Wheel);
EXPECT_EQ(InputHandler::ScrollStarted, status);
impl->ScrollBy(gfx::Point(), scroll_amount_);
impl->ScrollEnd();
// Check the scroll is applied as a delta.
EXPECT_VECTOR_EQ(javascript_scroll_,
expected_scroll_layer_impl->scroll_offset());
EXPECT_VECTOR_EQ(scroll_amount_,
expected_scroll_layer_impl->ScrollDelta());
break;
}
case 2:
EXPECT_VECTOR_EQ(javascript_scroll_ + scroll_amount_,
expected_scroll_layer_impl->scroll_offset());
EXPECT_VECTOR_EQ(gfx::Vector2d(),
expected_scroll_layer_impl->ScrollDelta());
EndTest();
break;
}
}
virtual void AfterTest() OVERRIDE {
if (scroll_child_layer_) {
EXPECT_EQ(0, num_scrolls_);
EXPECT_VECTOR_EQ(javascript_scroll_ + scroll_amount_,
final_scroll_offset_);
} else {
EXPECT_EQ(2, num_scrolls_);
EXPECT_VECTOR_EQ(gfx::Vector2d(), final_scroll_offset_);
}
}
protected:
float device_scale_factor_;
bool scroll_child_layer_;
gfx::Vector2d initial_offset_;
gfx::Vector2d javascript_scroll_;
gfx::Vector2d scroll_amount_;
int num_scrolls_;
gfx::Vector2d final_scroll_offset_;
FakeContentLayerClient fake_content_layer_client_;
scoped_refptr<Layer> root_scroll_layer_;
scoped_refptr<Layer> child_layer_;
scoped_refptr<Layer> expected_scroll_layer_;
scoped_refptr<Layer> expected_no_scroll_layer_;
};
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor1_ScrollChild_DirectRenderer) {
device_scale_factor_ = 1.f;
scroll_child_layer_ = true;
RunTest(true, false, true);
}
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor1_ScrollChild_DelegatingRenderer) {
device_scale_factor_ = 1.f;
scroll_child_layer_ = true;
RunTest(true, true, true);
}
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor15_ScrollChild_DirectRenderer) {
device_scale_factor_ = 1.5f;
scroll_child_layer_ = true;
RunTest(true, false, true);
}
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor15_ScrollChild_DelegatingRenderer) {
device_scale_factor_ = 1.5f;
scroll_child_layer_ = true;
RunTest(true, true, true);
}
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor2_ScrollChild_DirectRenderer) {
device_scale_factor_ = 2.f;
scroll_child_layer_ = true;
RunTest(true, false, true);
}
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor2_ScrollChild_DelegatingRenderer) {
device_scale_factor_ = 2.f;
scroll_child_layer_ = true;
RunTest(true, true, true);
}
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor1_ScrollRootScrollLayer_DirectRenderer) {
device_scale_factor_ = 1.f;
scroll_child_layer_ = false;
RunTest(true, false, true);
}
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor1_ScrollRootScrollLayer_DelegatingRenderer) {
device_scale_factor_ = 1.f;
scroll_child_layer_ = false;
RunTest(true, true, true);
}
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor15_ScrollRootScrollLayer_DirectRenderer) {
device_scale_factor_ = 1.5f;
scroll_child_layer_ = false;
RunTest(true, false, true);
}
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor15_ScrollRootScrollLayer_DelegatingRenderer) {
device_scale_factor_ = 1.5f;
scroll_child_layer_ = false;
RunTest(true, true, true);
}
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor2_ScrollRootScrollLayer_DirectRenderer) {
device_scale_factor_ = 2.f;
scroll_child_layer_ = false;
RunTest(true, false, true);
}
TEST_F(LayerTreeHostScrollTestCaseWithChild,
DeviceScaleFactor2_ScrollRootScrollLayer_DelegatingRenderer) {
device_scale_factor_ = 2.f;
scroll_child_layer_ = false;
RunTest(true, true, true);
}
class ImplSidePaintingScrollTest : public LayerTreeHostScrollTest {
public:
virtual void InitializeSettings(LayerTreeSettings* settings) OVERRIDE {
settings->impl_side_painting = true;
}
virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
if (impl->pending_tree())
impl->SetNeedsRedraw();
}
};
class ImplSidePaintingScrollTestSimple : public ImplSidePaintingScrollTest {
public:
ImplSidePaintingScrollTestSimple()
: initial_scroll_(10, 20),
main_thread_scroll_(40, 5),
impl_thread_scroll1_(2, -1),
impl_thread_scroll2_(-3, 10),
num_scrolls_(0) {}
virtual void SetupTree() OVERRIDE {
LayerTreeHostScrollTest::SetupTree();
Layer* root_layer = layer_tree_host()->root_layer();
scoped_refptr<Layer> root_scroll_layer = Layer::Create();
root_scroll_layer->SetScrollClipLayerId(root_layer->id());
root_scroll_layer->SetScrollOffset(initial_scroll_);
root_scroll_layer->SetBounds(
gfx::Size(root_layer->bounds().width() + 100,
root_layer->bounds().height() + 100));
root_scroll_layer->SetIsDrawable(true);
root_scroll_layer->SetIsContainerForFixedPositionLayers(true);
root_layer->AddChild(root_scroll_layer);
layer_tree_host()->RegisterViewportLayers(
root_layer, root_scroll_layer, NULL);
layer_tree_host()->SetPageScaleFactorAndLimits(1.f, 0.01f, 100.f);
}
virtual void BeginTest() OVERRIDE {
PostSetNeedsCommitToMainThread();
}
virtual void Layout() OVERRIDE {
Layer* root = layer_tree_host()->root_layer();
Layer* scroll_layer = root->children()[0];
if (!layer_tree_host()->source_frame_number()) {
EXPECT_VECTOR_EQ(scroll_layer->scroll_offset(), initial_scroll_);
} else {
EXPECT_VECTOR_EQ(scroll_layer->scroll_offset(),
initial_scroll_ + impl_thread_scroll1_);
// Pretend like Javascript updated the scroll position itself with a
// change of main_thread_scroll.
scroll_layer->SetScrollOffset(initial_scroll_ + main_thread_scroll_ +
impl_thread_scroll1_);
}
}
virtual void CommitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE {
// We force a second draw here of the first commit before activating
// the second commit.
if (impl->active_tree()->source_frame_number() == 0)
impl->SetNeedsRedraw();
}
virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
ImplSidePaintingScrollTest::DrawLayersOnThread(impl);
LayerImpl* root = impl->active_tree()->root_layer();
LayerImpl* scroll_layer = root->children()[0];
LayerImpl* pending_root =
impl->active_tree()->FindPendingTreeLayerById(root->id());
switch (impl->active_tree()->source_frame_number()) {
case 0:
if (!impl->pending_tree()) {
impl->BlockNotifyReadyToActivateForTesting(true);
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(), gfx::Vector2d());
scroll_layer->ScrollBy(impl_thread_scroll1_);
EXPECT_VECTOR_EQ(scroll_layer->scroll_offset(), initial_scroll_);
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(), impl_thread_scroll1_);
EXPECT_VECTOR_EQ(scroll_layer->sent_scroll_delta(), gfx::Vector2d());
PostSetNeedsCommitToMainThread();
// CommitCompleteOnThread will trigger this function again
// and cause us to take the else clause.
} else {
impl->BlockNotifyReadyToActivateForTesting(false);
ASSERT_TRUE(pending_root);
EXPECT_EQ(impl->pending_tree()->source_frame_number(), 1);
scroll_layer->ScrollBy(impl_thread_scroll2_);
EXPECT_VECTOR_EQ(scroll_layer->scroll_offset(), initial_scroll_);
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(),
impl_thread_scroll1_ + impl_thread_scroll2_);
EXPECT_VECTOR_EQ(scroll_layer->sent_scroll_delta(),
impl_thread_scroll1_);
LayerImpl* pending_scroll_layer = pending_root->children()[0];
EXPECT_VECTOR_EQ(
pending_scroll_layer->scroll_offset(),
initial_scroll_ + main_thread_scroll_ + impl_thread_scroll1_);
EXPECT_VECTOR_EQ(pending_scroll_layer->ScrollDelta(),
impl_thread_scroll2_);
EXPECT_VECTOR_EQ(pending_scroll_layer->sent_scroll_delta(),
gfx::Vector2d());
}
break;
case 1:
EXPECT_FALSE(impl->pending_tree());
EXPECT_VECTOR_EQ(
scroll_layer->scroll_offset(),
initial_scroll_ + main_thread_scroll_ + impl_thread_scroll1_);
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(), impl_thread_scroll2_);
EXPECT_VECTOR_EQ(scroll_layer->sent_scroll_delta(), gfx::Vector2d());
EndTest();
break;
}
}
virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta,
float scale) OVERRIDE {
num_scrolls_++;
}
virtual void AfterTest() OVERRIDE { EXPECT_EQ(1, num_scrolls_); }
private:
gfx::Vector2d initial_scroll_;
gfx::Vector2d main_thread_scroll_;
gfx::Vector2d impl_thread_scroll1_;
gfx::Vector2d impl_thread_scroll2_;
int num_scrolls_;
};
MULTI_THREAD_TEST_F(ImplSidePaintingScrollTestSimple);
// This test makes sure that layers pick up scrolls that occur between
// beginning a commit and finishing a commit (aka scroll deltas not
// included in sent scroll delta) still apply to layers that don't
// push properties.
class ImplSidePaintingScrollTestImplOnlyScroll
: public ImplSidePaintingScrollTest {
public:
ImplSidePaintingScrollTestImplOnlyScroll()
: initial_scroll_(20, 10), impl_thread_scroll_(-2, 3) {}
virtual void SetupTree() OVERRIDE {
LayerTreeHostScrollTest::SetupTree();
Layer* root_layer = layer_tree_host()->root_layer();
scoped_refptr<Layer> root_scroll_layer = Layer::Create();
root_scroll_layer->SetScrollClipLayerId(root_layer->id());
root_scroll_layer->SetScrollOffset(initial_scroll_);
root_scroll_layer->SetBounds(
gfx::Size(root_layer->bounds().width() + 100,
root_layer->bounds().height() + 100));
root_scroll_layer->SetIsDrawable(true);
root_scroll_layer->SetIsContainerForFixedPositionLayers(true);
root_layer->AddChild(root_scroll_layer);
layer_tree_host()->RegisterViewportLayers(
root_layer, root_scroll_layer, NULL);
layer_tree_host()->SetPageScaleFactorAndLimits(1.f, 0.01f, 100.f);
}
virtual void BeginTest() OVERRIDE {
PostSetNeedsCommitToMainThread();
}
virtual void WillCommit() OVERRIDE {
Layer* root = layer_tree_host()->root_layer();
Layer* scroll_layer = root->children()[0];
switch (layer_tree_host()->source_frame_number()) {
case 0:
EXPECT_TRUE(scroll_layer->needs_push_properties());
break;
case 1:
// Even if this layer doesn't need push properties, it should
// still pick up scrolls that happen on the active layer during
// commit.
EXPECT_FALSE(scroll_layer->needs_push_properties());
break;
}
}
virtual void BeginCommitOnThread(LayerTreeHostImpl* impl) OVERRIDE {
// Scroll after the 2nd commit has started.
if (impl->active_tree()->source_frame_number() == 0) {
LayerImpl* active_root = impl->active_tree()->root_layer();
LayerImpl* active_scroll_layer = active_root->children()[0];
ASSERT_TRUE(active_root);
ASSERT_TRUE(active_scroll_layer);
active_scroll_layer->ScrollBy(impl_thread_scroll_);
}
}
virtual void CommitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE {
// We force a second draw here of the first commit before activating
// the second commit.
LayerImpl* active_root = impl->active_tree()->root_layer();
LayerImpl* active_scroll_layer =
active_root ? active_root->children()[0] : NULL;
LayerImpl* pending_root = impl->pending_tree()->root_layer();
LayerImpl* pending_scroll_layer = pending_root->children()[0];
ASSERT_TRUE(pending_root);
ASSERT_TRUE(pending_scroll_layer);
switch (impl->pending_tree()->source_frame_number()) {
case 0:
EXPECT_VECTOR_EQ(pending_scroll_layer->scroll_offset(),
initial_scroll_);
EXPECT_VECTOR_EQ(pending_scroll_layer->ScrollDelta(), gfx::Vector2d());
EXPECT_VECTOR_EQ(pending_scroll_layer->sent_scroll_delta(),
gfx::Vector2d());
EXPECT_FALSE(active_root);
break;
case 1:
// Even though the scroll happened during the commit, both layers
// should have the appropriate scroll delta.
EXPECT_VECTOR_EQ(pending_scroll_layer->scroll_offset(),
initial_scroll_);
EXPECT_VECTOR_EQ(pending_scroll_layer->ScrollDelta(),
impl_thread_scroll_);
EXPECT_VECTOR_EQ(pending_scroll_layer->sent_scroll_delta(),
gfx::Vector2d());
ASSERT_TRUE(active_root);
EXPECT_VECTOR_EQ(active_scroll_layer->scroll_offset(), initial_scroll_);
EXPECT_VECTOR_EQ(active_scroll_layer->ScrollDelta(),
impl_thread_scroll_);
EXPECT_VECTOR_EQ(active_scroll_layer->sent_scroll_delta(),
gfx::Vector2d());
break;
case 2:
// On the next commit, this delta should have been sent and applied.
EXPECT_VECTOR_EQ(pending_scroll_layer->scroll_offset(),
initial_scroll_ + impl_thread_scroll_);
EXPECT_VECTOR_EQ(pending_scroll_layer->ScrollDelta(), gfx::Vector2d());
EXPECT_VECTOR_EQ(pending_scroll_layer->sent_scroll_delta(),
gfx::Vector2d());
EndTest();
break;
}
}
virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
ImplSidePaintingScrollTest::DrawLayersOnThread(impl);
LayerImpl* root = impl->active_tree()->root_layer();
LayerImpl* scroll_layer = root->children()[0];
switch (impl->active_tree()->source_frame_number()) {
case 0:
EXPECT_VECTOR_EQ(scroll_layer->scroll_offset(), initial_scroll_);
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(), gfx::Vector2d());
EXPECT_VECTOR_EQ(scroll_layer->sent_scroll_delta(), gfx::Vector2d());
PostSetNeedsCommitToMainThread();
break;
case 1:
EXPECT_VECTOR_EQ(scroll_layer->scroll_offset(), initial_scroll_);
EXPECT_VECTOR_EQ(scroll_layer->ScrollDelta(), impl_thread_scroll_);
EXPECT_VECTOR_EQ(scroll_layer->sent_scroll_delta(), gfx::Vector2d());
PostSetNeedsCommitToMainThread();
break;
}
}
virtual void AfterTest() OVERRIDE {}
private:
gfx::Vector2d initial_scroll_;
gfx::Vector2d impl_thread_scroll_;
};
MULTI_THREAD_TEST_F(ImplSidePaintingScrollTestImplOnlyScroll);
class LayerTreeHostScrollTestScrollZeroMaxScrollOffset
: public LayerTreeHostScrollTest {
public:
LayerTreeHostScrollTestScrollZeroMaxScrollOffset() {}
virtual void SetupTree() OVERRIDE {
LayerTreeTest::SetupTree();
scoped_refptr<Layer> scroll_layer = Layer::Create();
layer_tree_host()->root_layer()->AddChild(scroll_layer);
}
virtual void BeginTest() OVERRIDE { PostSetNeedsCommitToMainThread(); }
virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
LayerImpl* root = impl->active_tree()->root_layer();
LayerImpl* scroll_layer = root->children()[0];
scroll_layer->SetScrollClipLayer(root->id());
// Set max_scroll_offset = (100, 100).
scroll_layer->SetBounds(
gfx::Size(root->bounds().width() + 100, root->bounds().height() + 100));
EXPECT_EQ(InputHandler::ScrollStarted,
scroll_layer->TryScroll(gfx::PointF(0.0f, 1.0f),
InputHandler::Gesture));
// Set max_scroll_offset = (0, 0).
scroll_layer->SetBounds(root->bounds());
EXPECT_EQ(InputHandler::ScrollIgnored,
scroll_layer->TryScroll(gfx::PointF(0.0f, 1.0f),
InputHandler::Gesture));
// Set max_scroll_offset = (-100, -100).
scroll_layer->SetBounds(gfx::Size());
EXPECT_EQ(InputHandler::ScrollIgnored,
scroll_layer->TryScroll(gfx::PointF(0.0f, 1.0f),
InputHandler::Gesture));
EndTest();
}
virtual void AfterTest() OVERRIDE {}
};
SINGLE_AND_MULTI_THREAD_TEST_F(
LayerTreeHostScrollTestScrollZeroMaxScrollOffset);
class ThreadCheckingInputHandlerClient : public InputHandlerClient {
public:
ThreadCheckingInputHandlerClient(base::SingleThreadTaskRunner* runner,
bool* received_stop_flinging)
: task_runner_(runner), received_stop_flinging_(received_stop_flinging) {}
virtual void WillShutdown() OVERRIDE {
if (!received_stop_flinging_)
ADD_FAILURE() << "WillShutdown() called before fling stopped";
}
virtual void Animate(base::TimeTicks time) OVERRIDE {
if (!task_runner_->BelongsToCurrentThread())
ADD_FAILURE() << "Animate called on wrong thread";
}
virtual void MainThreadHasStoppedFlinging() OVERRIDE {
if (!task_runner_->BelongsToCurrentThread())
ADD_FAILURE() << "MainThreadHasStoppedFlinging called on wrong thread";
*received_stop_flinging_ = true;
}
virtual void DidOverscroll(
const gfx::PointF& causal_event_viewport_point,
const gfx::Vector2dF& accumulated_overscroll,
const gfx::Vector2dF& latest_overscroll_delta) OVERRIDE {
if (!task_runner_->BelongsToCurrentThread())
ADD_FAILURE() << "DidOverscroll called on wrong thread";
}
private:
base::SingleThreadTaskRunner* task_runner_;
bool* received_stop_flinging_;
};
void BindInputHandlerOnCompositorThread(
const base::WeakPtr<InputHandler>& input_handler,
ThreadCheckingInputHandlerClient* client) {
input_handler->BindToClient(client);
}
TEST(LayerTreeHostFlingTest, DidStopFlingingThread) {
base::Thread impl_thread("cc");
ASSERT_TRUE(impl_thread.Start());
bool received_stop_flinging = false;
LayerTreeSettings settings;
ThreadCheckingInputHandlerClient input_handler_client(
impl_thread.message_loop_proxy().get(), &received_stop_flinging);
FakeLayerTreeHostClient client(FakeLayerTreeHostClient::DIRECT_3D);
ASSERT_TRUE(impl_thread.message_loop_proxy().get());
scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
new TestSharedBitmapManager());
scoped_ptr<LayerTreeHost> layer_tree_host =
LayerTreeHost::CreateThreaded(&client,
shared_bitmap_manager.get(),
settings,
base::MessageLoopProxy::current(),
impl_thread.message_loop_proxy());
impl_thread.message_loop_proxy()
->PostTask(FROM_HERE,
base::Bind(&BindInputHandlerOnCompositorThread,
layer_tree_host->GetInputHandler(),
base::Unretained(&input_handler_client)));
layer_tree_host->DidStopFlinging();
layer_tree_host.reset();
impl_thread.Stop();
EXPECT_TRUE(received_stop_flinging);
}
class LayerTreeHostScrollTestLayerStructureChange
: public LayerTreeHostScrollTest {
public:
LayerTreeHostScrollTestLayerStructureChange()
: scroll_destroy_whole_tree_(false) {}
virtual void SetupTree() OVERRIDE {
scoped_refptr<Layer> root_layer = Layer::Create();
root_layer->SetBounds(gfx::Size(10, 10));
Layer* root_scroll_layer =
CreateScrollLayer(root_layer.get(), &root_scroll_layer_client_);
CreateScrollLayer(root_layer.get(), &sibling_scroll_layer_client_);
CreateScrollLayer(root_scroll_layer, &child_scroll_layer_client_);
layer_tree_host()->SetRootLayer(root_layer);
LayerTreeHostScrollTest::SetupTree();
}
virtual void BeginTest() OVERRIDE {
PostSetNeedsCommitToMainThread();
}
virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) OVERRIDE {
LayerImpl* root = impl->active_tree()->root_layer();
switch (impl->active_tree()->source_frame_number()) {
case 0:
root->child_at(0)->SetScrollDelta(gfx::Vector2dF(5, 5));
root->child_at(0)->child_at(0)->SetScrollDelta(gfx::Vector2dF(5, 5));
root->child_at(1)->SetScrollDelta(gfx::Vector2dF(5, 5));
PostSetNeedsCommitToMainThread();
break;
case 1:
EndTest();
break;
}
}
virtual void AfterTest() OVERRIDE {}
virtual void DidScroll(Layer* layer) {
if (scroll_destroy_whole_tree_) {
layer_tree_host()->SetRootLayer(NULL);
EndTest();
return;
}
layer->RemoveFromParent();
}
protected:
class FakeLayerScrollClient {
public:
void DidScroll() {
owner_->DidScroll(layer_);
}
LayerTreeHostScrollTestLayerStructureChange* owner_;
Layer* layer_;
};
Layer* CreateScrollLayer(Layer* parent, FakeLayerScrollClient* client) {
scoped_refptr<PictureLayer> scroll_layer =
PictureLayer::Create(&fake_content_layer_client_);
scroll_layer->SetBounds(gfx::Size(110, 110));
scroll_layer->SetPosition(gfx::Point(0, 0));
scroll_layer->SetIsDrawable(true);
scroll_layer->SetScrollClipLayerId(parent->id());
scroll_layer->SetBounds(gfx::Size(parent->bounds().width() + 100,
parent->bounds().height() + 100));
scroll_layer->set_did_scroll_callback(base::Bind(
&FakeLayerScrollClient::DidScroll, base::Unretained(client)));
client->owner_ = this;
client->layer_ = scroll_layer.get();
parent->AddChild(scroll_layer);
return scroll_layer.get();
}
FakeLayerScrollClient root_scroll_layer_client_;
FakeLayerScrollClient sibling_scroll_layer_client_;
FakeLayerScrollClient child_scroll_layer_client_;
FakeContentLayerClient fake_content_layer_client_;
bool scroll_destroy_whole_tree_;
};
TEST_F(LayerTreeHostScrollTestLayerStructureChange, ScrollDestroyLayer) {
RunTest(true, false, true);
}
TEST_F(LayerTreeHostScrollTestLayerStructureChange, ScrollDestroyWholeTree) {
scroll_destroy_whole_tree_ = true;
RunTest(true, false, true);
}
} // namespace
} // namespace cc