blob: e44d007e6ea1e3f9b8c93d1bd694a968c67abc75 [file] [log] [blame]
// Copyright 2014 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/blink/web_layer_impl.h"
#include <stddef.h>
#include <stdint.h>
#include <utility>
#include <vector>
#include "base/bind.h"
#include "base/strings/string_util.h"
#include "base/threading/thread_checker.h"
#include "base/trace_event/trace_event_impl.h"
#include "cc/base/region.h"
#include "cc/base/switches.h"
#include "cc/blink/web_blend_mode.h"
#include "cc/layers/layer.h"
#include "cc/layers/layer_position_constraint.h"
#include "cc/trees/element_id.h"
#include "cc/trees/layer_tree_host.h"
#include "third_party/WebKit/public/platform/WebFloatPoint.h"
#include "third_party/WebKit/public/platform/WebFloatRect.h"
#include "third_party/WebKit/public/platform/WebLayerPositionConstraint.h"
#include "third_party/WebKit/public/platform/WebLayerScrollClient.h"
#include "third_party/WebKit/public/platform/WebLayerStickyPositionConstraint.h"
#include "third_party/WebKit/public/platform/WebSize.h"
#include "third_party/skia/include/core/SkMatrix44.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/vector2d_conversions.h"
using cc::Layer;
using blink::WebLayer;
using blink::WebFloatPoint;
using blink::WebVector;
using blink::WebRect;
using blink::WebSize;
using blink::WebColor;
namespace cc_blink {
WebLayerImpl::WebLayerImpl()
: layer_(Layer::Create()), contents_opaque_is_fixed_(false) {}
WebLayerImpl::WebLayerImpl(scoped_refptr<Layer> layer)
: layer_(layer), contents_opaque_is_fixed_(false) {
}
WebLayerImpl::~WebLayerImpl() {
layer_->SetLayerClient(nullptr);
}
int WebLayerImpl::Id() const {
return layer_->id();
}
DISABLE_CFI_PERF
void WebLayerImpl::InvalidateRect(const blink::WebRect& rect) {
layer_->SetNeedsDisplayRect(rect);
}
void WebLayerImpl::Invalidate() {
layer_->SetNeedsDisplay();
}
void WebLayerImpl::AddChild(WebLayer* child) {
layer_->AddChild(static_cast<WebLayerImpl*>(child)->layer());
}
void WebLayerImpl::InsertChild(WebLayer* child, size_t index) {
layer_->InsertChild(static_cast<WebLayerImpl*>(child)->layer(), index);
}
void WebLayerImpl::ReplaceChild(WebLayer* reference, WebLayer* new_layer) {
layer_->ReplaceChild(static_cast<WebLayerImpl*>(reference)->layer(),
static_cast<WebLayerImpl*>(new_layer)->layer());
}
void WebLayerImpl::RemoveFromParent() {
layer_->RemoveFromParent();
}
void WebLayerImpl::RemoveAllChildren() {
layer_->RemoveAllChildren();
}
void WebLayerImpl::SetBounds(const WebSize& size) {
layer_->SetBounds(size);
}
WebSize WebLayerImpl::Bounds() const {
return layer_->bounds();
}
void WebLayerImpl::SetMasksToBounds(bool masks_to_bounds) {
layer_->SetMasksToBounds(masks_to_bounds);
}
bool WebLayerImpl::MasksToBounds() const {
return layer_->masks_to_bounds();
}
void WebLayerImpl::SetMaskLayer(WebLayer* maskLayer) {
layer_->SetMaskLayer(
maskLayer ? static_cast<WebLayerImpl*>(maskLayer)->layer() : 0);
}
void WebLayerImpl::SetOpacity(float opacity) {
layer_->SetOpacity(opacity);
}
float WebLayerImpl::Opacity() const {
return layer_->opacity();
}
void WebLayerImpl::SetBlendMode(blink::WebBlendMode blend_mode) {
layer_->SetBlendMode(BlendModeToSkia(blend_mode));
}
blink::WebBlendMode WebLayerImpl::BlendMode() const {
return BlendModeFromSkia(layer_->blend_mode());
}
void WebLayerImpl::SetIsRootForIsolatedGroup(bool isolate) {
layer_->SetIsRootForIsolatedGroup(isolate);
}
bool WebLayerImpl::IsRootForIsolatedGroup() {
return layer_->is_root_for_isolated_group();
}
void WebLayerImpl::SetOpaque(bool opaque) {
if (contents_opaque_is_fixed_)
return;
layer_->SetContentsOpaque(opaque);
}
bool WebLayerImpl::Opaque() const {
return layer_->contents_opaque();
}
void WebLayerImpl::SetPosition(const WebFloatPoint& position) {
layer_->SetPosition(position);
}
WebFloatPoint WebLayerImpl::GetPosition() const {
return layer_->position();
}
void WebLayerImpl::SetTransform(const SkMatrix44& matrix) {
gfx::Transform transform;
transform.matrix() = matrix;
layer_->SetTransform(transform);
}
void WebLayerImpl::SetTransformOrigin(const blink::WebFloatPoint3D& point) {
gfx::Point3F gfx_point = point;
layer_->SetTransformOrigin(gfx_point);
}
blink::WebFloatPoint3D WebLayerImpl::TransformOrigin() const {
return layer_->transform_origin();
}
SkMatrix44 WebLayerImpl::Transform() const {
return layer_->transform().matrix();
}
void WebLayerImpl::SetDrawsContent(bool draws_content) {
layer_->SetIsDrawable(draws_content);
}
bool WebLayerImpl::DrawsContent() const {
return layer_->DrawsContent();
}
void WebLayerImpl::SetDoubleSided(bool double_sided) {
layer_->SetDoubleSided(double_sided);
}
void WebLayerImpl::SetShouldFlattenTransform(bool flatten) {
layer_->SetShouldFlattenTransform(flatten);
}
void WebLayerImpl::SetRenderingContext(int context) {
layer_->Set3dSortingContextId(context);
}
void WebLayerImpl::SetUseParentBackfaceVisibility(
bool use_parent_backface_visibility) {
layer_->SetUseParentBackfaceVisibility(use_parent_backface_visibility);
}
void WebLayerImpl::SetBackgroundColor(WebColor color) {
layer_->SetBackgroundColor(color);
}
WebColor WebLayerImpl::BackgroundColor() const {
return layer_->background_color();
}
void WebLayerImpl::SetFilters(const cc::FilterOperations& filters) {
layer_->SetFilters(filters);
}
void WebLayerImpl::SetFiltersOrigin(const blink::WebFloatPoint& origin) {
layer_->SetFiltersOrigin(origin);
}
void WebLayerImpl::SetBackgroundFilters(const cc::FilterOperations& filters) {
layer_->SetBackgroundFilters(filters);
}
bool WebLayerImpl::HasTickingAnimationForTesting() {
return layer_->HasTickingAnimationForTesting();
}
void WebLayerImpl::SetScrollPosition(blink::WebFloatPoint position) {
layer_->SetScrollOffset(gfx::ScrollOffset(position.x, position.y));
}
blink::WebFloatPoint WebLayerImpl::ScrollPosition() const {
return blink::WebFloatPoint(layer_->scroll_offset().x(),
layer_->scroll_offset().y());
}
void WebLayerImpl::SetScrollClipLayer(WebLayer* clip_layer) {
if (!clip_layer) {
layer_->SetScrollClipLayerId(Layer::INVALID_ID);
return;
}
layer_->SetScrollClipLayerId(clip_layer->Id());
}
bool WebLayerImpl::Scrollable() const {
return layer_->scrollable();
}
void WebLayerImpl::SetUserScrollable(bool horizontal, bool vertical) {
layer_->SetUserScrollable(horizontal, vertical);
}
bool WebLayerImpl::UserScrollableHorizontal() const {
return layer_->user_scrollable_horizontal();
}
bool WebLayerImpl::UserScrollableVertical() const {
return layer_->user_scrollable_vertical();
}
void WebLayerImpl::AddMainThreadScrollingReasons(
uint32_t main_thread_scrolling_reasons) {
// WebLayerImpl should only know about non-transient scrolling
// reasons. Transient scrolling reasons are computed per hit test.
DCHECK(main_thread_scrolling_reasons);
DCHECK(cc::MainThreadScrollingReason::MainThreadCanSetScrollReasons(
main_thread_scrolling_reasons));
layer_->AddMainThreadScrollingReasons(main_thread_scrolling_reasons);
}
void WebLayerImpl::ClearMainThreadScrollingReasons(
uint32_t main_thread_scrolling_reasons_to_clear) {
layer_->ClearMainThreadScrollingReasons(
main_thread_scrolling_reasons_to_clear);
}
uint32_t WebLayerImpl::MainThreadScrollingReasons() {
return layer_->main_thread_scrolling_reasons();
}
bool WebLayerImpl::ShouldScrollOnMainThread() const {
return layer_->should_scroll_on_main_thread();
}
void WebLayerImpl::SetNonFastScrollableRegion(const WebVector<WebRect>& rects) {
cc::Region region;
for (size_t i = 0; i < rects.size(); ++i)
region.Union(rects[i]);
layer_->SetNonFastScrollableRegion(region);
}
WebVector<WebRect> WebLayerImpl::NonFastScrollableRegion() const {
size_t num_rects = 0;
for (cc::Region::Iterator region_rects(layer_->non_fast_scrollable_region());
region_rects.has_rect();
region_rects.next())
++num_rects;
WebVector<WebRect> result(num_rects);
size_t i = 0;
for (cc::Region::Iterator region_rects(layer_->non_fast_scrollable_region());
region_rects.has_rect();
region_rects.next()) {
result[i] = region_rects.rect();
++i;
}
return result;
}
void WebLayerImpl::SetTouchEventHandlerRegion(const WebVector<WebRect>& rects) {
cc::Region region;
for (size_t i = 0; i < rects.size(); ++i)
region.Union(rects[i]);
layer_->SetTouchEventHandlerRegion(region);
}
WebVector<WebRect> WebLayerImpl::TouchEventHandlerRegion() const {
size_t num_rects = 0;
for (cc::Region::Iterator region_rects(layer_->touch_event_handler_region());
region_rects.has_rect();
region_rects.next())
++num_rects;
WebVector<WebRect> result(num_rects);
size_t i = 0;
for (cc::Region::Iterator region_rects(layer_->touch_event_handler_region());
region_rects.has_rect();
region_rects.next()) {
result[i] = region_rects.rect();
++i;
}
return result;
}
void WebLayerImpl::SetIsContainerForFixedPositionLayers(bool enable) {
layer_->SetIsContainerForFixedPositionLayers(enable);
}
bool WebLayerImpl::IsContainerForFixedPositionLayers() const {
return layer_->IsContainerForFixedPositionLayers();
}
static blink::WebLayerPositionConstraint ToWebLayerPositionConstraint(
const cc::LayerPositionConstraint& constraint) {
blink::WebLayerPositionConstraint web_constraint;
web_constraint.is_fixed_position = constraint.is_fixed_position();
web_constraint.is_fixed_to_right_edge = constraint.is_fixed_to_right_edge();
web_constraint.is_fixed_to_bottom_edge = constraint.is_fixed_to_bottom_edge();
return web_constraint;
}
static cc::LayerPositionConstraint ToLayerPositionConstraint(
const blink::WebLayerPositionConstraint& web_constraint) {
cc::LayerPositionConstraint constraint;
constraint.set_is_fixed_position(web_constraint.is_fixed_position);
constraint.set_is_fixed_to_right_edge(web_constraint.is_fixed_to_right_edge);
constraint.set_is_fixed_to_bottom_edge(
web_constraint.is_fixed_to_bottom_edge);
return constraint;
}
void WebLayerImpl::SetPositionConstraint(
const blink::WebLayerPositionConstraint& constraint) {
layer_->SetPositionConstraint(ToLayerPositionConstraint(constraint));
}
blink::WebLayerPositionConstraint WebLayerImpl::PositionConstraint() const {
return ToWebLayerPositionConstraint(layer_->position_constraint());
}
static blink::WebLayerStickyPositionConstraint
ToWebLayerStickyPositionConstraint(
const cc::LayerStickyPositionConstraint& constraint) {
blink::WebLayerStickyPositionConstraint web_constraint;
web_constraint.is_sticky = constraint.is_sticky;
web_constraint.is_anchored_left = constraint.is_anchored_left;
web_constraint.is_anchored_right = constraint.is_anchored_right;
web_constraint.is_anchored_top = constraint.is_anchored_top;
web_constraint.is_anchored_bottom = constraint.is_anchored_bottom;
web_constraint.left_offset = constraint.left_offset;
web_constraint.right_offset = constraint.right_offset;
web_constraint.top_offset = constraint.top_offset;
web_constraint.bottom_offset = constraint.bottom_offset;
web_constraint.parent_relative_sticky_box_offset =
constraint.parent_relative_sticky_box_offset;
web_constraint.scroll_container_relative_sticky_box_rect =
constraint.scroll_container_relative_sticky_box_rect;
web_constraint.scroll_container_relative_containing_block_rect =
constraint.scroll_container_relative_containing_block_rect;
web_constraint.nearest_layer_shifting_sticky_box =
constraint.nearest_layer_shifting_sticky_box;
web_constraint.nearest_layer_shifting_containing_block =
constraint.nearest_layer_shifting_containing_block;
return web_constraint;
}
static cc::LayerStickyPositionConstraint ToStickyPositionConstraint(
const blink::WebLayerStickyPositionConstraint& web_constraint) {
cc::LayerStickyPositionConstraint constraint;
constraint.is_sticky = web_constraint.is_sticky;
constraint.is_anchored_left = web_constraint.is_anchored_left;
constraint.is_anchored_right = web_constraint.is_anchored_right;
constraint.is_anchored_top = web_constraint.is_anchored_top;
constraint.is_anchored_bottom = web_constraint.is_anchored_bottom;
constraint.left_offset = web_constraint.left_offset;
constraint.right_offset = web_constraint.right_offset;
constraint.top_offset = web_constraint.top_offset;
constraint.bottom_offset = web_constraint.bottom_offset;
constraint.parent_relative_sticky_box_offset =
web_constraint.parent_relative_sticky_box_offset;
constraint.scroll_container_relative_sticky_box_rect =
web_constraint.scroll_container_relative_sticky_box_rect;
constraint.scroll_container_relative_containing_block_rect =
web_constraint.scroll_container_relative_containing_block_rect;
constraint.nearest_layer_shifting_sticky_box =
web_constraint.nearest_layer_shifting_sticky_box;
constraint.nearest_layer_shifting_containing_block =
web_constraint.nearest_layer_shifting_containing_block;
return constraint;
}
void WebLayerImpl::SetStickyPositionConstraint(
const blink::WebLayerStickyPositionConstraint& constraint) {
layer_->SetStickyPositionConstraint(ToStickyPositionConstraint(constraint));
}
blink::WebLayerStickyPositionConstraint WebLayerImpl::StickyPositionConstraint()
const {
return ToWebLayerStickyPositionConstraint(
layer_->sticky_position_constraint());
}
void WebLayerImpl::SetScrollClient(blink::WebLayerScrollClient* scroll_client) {
if (scroll_client) {
layer_->set_did_scroll_callback(
base::Bind(&blink::WebLayerScrollClient::DidScroll,
base::Unretained(scroll_client)));
} else {
layer_->set_did_scroll_callback(
base::Callback<void(const gfx::ScrollOffset&)>());
}
}
void WebLayerImpl::SetLayerClient(cc::LayerClient* client) {
layer_->SetLayerClient(client);
}
const cc::Layer* WebLayerImpl::CcLayer() const {
return layer_.get();
}
cc::Layer* WebLayerImpl::CcLayer() {
return layer_.get();
}
void WebLayerImpl::SetElementId(const cc::ElementId& id) {
layer_->SetElementId(id);
}
cc::ElementId WebLayerImpl::GetElementId() const {
return layer_->element_id();
}
void WebLayerImpl::SetCompositorMutableProperties(uint32_t properties) {
layer_->SetMutableProperties(properties);
}
uint32_t WebLayerImpl::CompositorMutableProperties() const {
return layer_->mutable_properties();
}
void WebLayerImpl::SetScrollParent(blink::WebLayer* parent) {
cc::Layer* scroll_parent = nullptr;
if (parent)
scroll_parent = static_cast<WebLayerImpl*>(parent)->layer();
layer_->SetScrollParent(scroll_parent);
}
void WebLayerImpl::SetClipParent(blink::WebLayer* parent) {
cc::Layer* clip_parent = nullptr;
if (parent)
clip_parent = static_cast<WebLayerImpl*>(parent)->layer();
layer_->SetClipParent(clip_parent);
}
Layer* WebLayerImpl::layer() const {
return layer_.get();
}
void WebLayerImpl::SetContentsOpaqueIsFixed(bool fixed) {
contents_opaque_is_fixed_ = fixed;
}
void WebLayerImpl::SetHasWillChangeTransformHint(bool has_will_change) {
layer_->SetHasWillChangeTransformHint(has_will_change);
}
void WebLayerImpl::ShowScrollbars() {
layer_->ShowScrollbars();
}
} // namespace cc_blink