1// Copyright 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "webkit/renderer/compositor_bindings/web_layer_impl.h"
6
7#include "base/bind.h"
8#include "base/strings/string_util.h"
9#include "cc/animation/animation.h"
10#include "cc/base/region.h"
11#include "cc/layers/layer.h"
12#include "cc/layers/layer_position_constraint.h"
13#include "third_party/WebKit/public/platform/WebCompositingReasons.h"
14#include "third_party/WebKit/public/platform/WebFloatPoint.h"
15#include "third_party/WebKit/public/platform/WebFloatRect.h"
16#include "third_party/WebKit/public/platform/WebLayerPositionConstraint.h"
17#include "third_party/WebKit/public/platform/WebLayerScrollClient.h"
18#include "third_party/WebKit/public/platform/WebSize.h"
19#include "third_party/skia/include/utils/SkMatrix44.h"
20#include "webkit/renderer/compositor_bindings/web_animation_impl.h"
21#include "webkit/renderer/compositor_bindings/web_filter_operations_impl.h"
22#include "webkit/renderer/compositor_bindings/web_to_cc_animation_delegate_adapter.h"
23
24using cc::Animation;
25using cc::Layer;
26using WebKit::WebLayer;
27using WebKit::WebFloatPoint;
28using WebKit::WebVector;
29using WebKit::WebRect;
30using WebKit::WebSize;
31using WebKit::WebColor;
32using WebKit::WebFilterOperations;
33
34namespace webkit {
35
36WebLayerImpl::WebLayerImpl() : layer_(Layer::Create()) {}
37
38WebLayerImpl::WebLayerImpl(scoped_refptr<Layer> layer) : layer_(layer) {}
39
40WebLayerImpl::~WebLayerImpl() {
41  layer_->ClearRenderSurface();
42  layer_->set_layer_animation_delegate(NULL);
43}
44
45int WebLayerImpl::id() const { return layer_->id(); }
46
47void WebLayerImpl::invalidateRect(const WebKit::WebFloatRect& rect) {
48  layer_->SetNeedsDisplayRect(rect);
49}
50
51void WebLayerImpl::invalidate() { layer_->SetNeedsDisplay(); }
52
53void WebLayerImpl::addChild(WebLayer* child) {
54  layer_->AddChild(static_cast<WebLayerImpl*>(child)->layer());
55}
56
57void WebLayerImpl::insertChild(WebLayer* child, size_t index) {
58  layer_->InsertChild(static_cast<WebLayerImpl*>(child)->layer(), index);
59}
60
61void WebLayerImpl::replaceChild(WebLayer* reference, WebLayer* new_layer) {
62  layer_->ReplaceChild(static_cast<WebLayerImpl*>(reference)->layer(),
63                       static_cast<WebLayerImpl*>(new_layer)->layer());
64}
65
66void WebLayerImpl::removeFromParent() { layer_->RemoveFromParent(); }
67
68void WebLayerImpl::removeAllChildren() { layer_->RemoveAllChildren(); }
69
70void WebLayerImpl::setAnchorPoint(const WebFloatPoint& anchor_point) {
71  layer_->SetAnchorPoint(anchor_point);
72}
73
74WebFloatPoint WebLayerImpl::anchorPoint() const {
75  return layer_->anchor_point();
76}
77
78void WebLayerImpl::setAnchorPointZ(float anchor_point_z) {
79  layer_->SetAnchorPointZ(anchor_point_z);
80}
81
82float WebLayerImpl::anchorPointZ() const { return layer_->anchor_point_z(); }
83
84void WebLayerImpl::setBounds(const WebSize& size) { layer_->SetBounds(size); }
85
86WebSize WebLayerImpl::bounds() const { return layer_->bounds(); }
87
88void WebLayerImpl::setMasksToBounds(bool masks_to_bounds) {
89  layer_->SetMasksToBounds(masks_to_bounds);
90}
91
92bool WebLayerImpl::masksToBounds() const { return layer_->masks_to_bounds(); }
93
94void WebLayerImpl::setMaskLayer(WebLayer* maskLayer) {
95  layer_->SetMaskLayer(
96      maskLayer ? static_cast<WebLayerImpl*>(maskLayer)->layer() : 0);
97}
98
99void WebLayerImpl::setReplicaLayer(WebLayer* replica_layer) {
100  layer_->SetReplicaLayer(
101      replica_layer ? static_cast<WebLayerImpl*>(replica_layer)->layer() : 0);
102}
103
104void WebLayerImpl::setOpacity(float opacity) { layer_->SetOpacity(opacity); }
105
106float WebLayerImpl::opacity() const { return layer_->opacity(); }
107
108void WebLayerImpl::setOpaque(bool opaque) { layer_->SetContentsOpaque(opaque); }
109
110bool WebLayerImpl::opaque() const { return layer_->contents_opaque(); }
111
112void WebLayerImpl::setPosition(const WebFloatPoint& position) {
113  layer_->SetPosition(position);
114}
115
116WebFloatPoint WebLayerImpl::position() const { return layer_->position(); }
117
118void WebLayerImpl::setSublayerTransform(const SkMatrix44& matrix) {
119  gfx::Transform sub_layer_transform;
120  sub_layer_transform.matrix() = matrix;
121  layer_->SetSublayerTransform(sub_layer_transform);
122}
123
124SkMatrix44 WebLayerImpl::sublayerTransform() const {
125  return layer_->sublayer_transform().matrix();
126}
127
128void WebLayerImpl::setTransform(const SkMatrix44& matrix) {
129  gfx::Transform transform;
130  transform.matrix() = matrix;
131  layer_->SetTransform(transform);
132}
133
134SkMatrix44 WebLayerImpl::transform() const {
135  return layer_->transform().matrix();
136}
137
138void WebLayerImpl::setDrawsContent(bool draws_content) {
139  layer_->SetIsDrawable(draws_content);
140}
141
142bool WebLayerImpl::drawsContent() const { return layer_->DrawsContent(); }
143
144void WebLayerImpl::setPreserves3D(bool preserve3D) {
145  layer_->SetPreserves3d(preserve3D);
146}
147
148void WebLayerImpl::setUseParentBackfaceVisibility(
149    bool use_parent_backface_visibility) {
150  layer_->set_use_parent_backface_visibility(use_parent_backface_visibility);
151}
152
153void WebLayerImpl::setBackgroundColor(WebColor color) {
154  layer_->SetBackgroundColor(color);
155}
156
157WebColor WebLayerImpl::backgroundColor() const {
158  return layer_->background_color();
159}
160
161void WebLayerImpl::setFilters(const WebFilterOperations& filters) {
162  const WebFilterOperationsImpl& filters_impl =
163      static_cast<const WebFilterOperationsImpl&>(filters);
164  layer_->SetFilters(filters_impl.AsFilterOperations());
165}
166
167void WebLayerImpl::setBackgroundFilters(const WebFilterOperations& filters) {
168  const WebFilterOperationsImpl& filters_impl =
169      static_cast<const WebFilterOperationsImpl&>(filters);
170  layer_->SetBackgroundFilters(filters_impl.AsFilterOperations());
171}
172
173void WebLayerImpl::setFilter(SkImageFilter* filter) {
174  layer_->SetFilter(skia::SharePtr(filter));
175}
176
177void WebLayerImpl::setDebugName(WebKit::WebString name) {
178  layer_->SetDebugName(UTF16ToASCII(name));
179}
180
181void WebLayerImpl::setCompositingReasons(
182    WebKit::WebCompositingReasons reasons) {
183  layer_->SetCompositingReasons(reasons);
184}
185
186void WebLayerImpl::setAnimationDelegate(
187      WebKit::WebAnimationDelegate* delegate) {
188  animation_delegate_adapter_.reset(
189      new WebToCCAnimationDelegateAdapter(delegate));
190  layer_->set_layer_animation_delegate(animation_delegate_adapter_.get());
191}
192
193bool WebLayerImpl::addAnimation(WebKit::WebAnimation* animation) {
194  return layer_->AddAnimation(
195      static_cast<WebAnimationImpl*>(animation)->CloneToAnimation());
196}
197
198void WebLayerImpl::removeAnimation(int animation_id) {
199  layer_->RemoveAnimation(animation_id);
200}
201
202void WebLayerImpl::removeAnimation(
203    int animation_id,
204    WebKit::WebAnimation::TargetProperty target_property) {
205  layer_->layer_animation_controller()->RemoveAnimation(
206      animation_id,
207      static_cast<Animation::TargetProperty>(target_property));
208}
209
210void WebLayerImpl::pauseAnimation(int animation_id, double time_offset) {
211  layer_->PauseAnimation(animation_id, time_offset);
212}
213
214void WebLayerImpl::suspendAnimations(double monotonic_time) {
215  layer_->SuspendAnimations(monotonic_time);
216}
217
218void WebLayerImpl::resumeAnimations(double monotonic_time) {
219  layer_->ResumeAnimations(monotonic_time);
220}
221
222bool WebLayerImpl::hasActiveAnimation() { return layer_->HasActiveAnimation(); }
223
224void WebLayerImpl::setForceRenderSurface(bool force_render_surface) {
225  layer_->SetForceRenderSurface(force_render_surface);
226}
227
228void WebLayerImpl::setScrollPosition(WebKit::WebPoint position) {
229  layer_->SetScrollOffset(gfx::Point(position).OffsetFromOrigin());
230}
231
232WebKit::WebPoint WebLayerImpl::scrollPosition() const {
233  return gfx::PointAtOffsetFromOrigin(layer_->scroll_offset());
234}
235
236void WebLayerImpl::setMaxScrollPosition(WebSize max_scroll_position) {
237  layer_->SetMaxScrollOffset(max_scroll_position);
238}
239
240WebSize WebLayerImpl::maxScrollPosition() const {
241  return layer_->max_scroll_offset();
242}
243
244void WebLayerImpl::setScrollable(bool scrollable) {
245  layer_->SetScrollable(scrollable);
246}
247
248bool WebLayerImpl::scrollable() const { return layer_->scrollable(); }
249
250void WebLayerImpl::setHaveWheelEventHandlers(bool have_wheel_event_handlers) {
251  layer_->SetHaveWheelEventHandlers(have_wheel_event_handlers);
252}
253
254bool WebLayerImpl::haveWheelEventHandlers() const {
255  return layer_->have_wheel_event_handlers();
256}
257
258void WebLayerImpl::setShouldScrollOnMainThread(
259    bool should_scroll_on_main_thread) {
260  layer_->SetShouldScrollOnMainThread(should_scroll_on_main_thread);
261}
262
263bool WebLayerImpl::shouldScrollOnMainThread() const {
264  return layer_->should_scroll_on_main_thread();
265}
266
267void WebLayerImpl::setNonFastScrollableRegion(const WebVector<WebRect>& rects) {
268  cc::Region region;
269  for (size_t i = 0; i < rects.size(); ++i)
270    region.Union(rects[i]);
271  layer_->SetNonFastScrollableRegion(region);
272}
273
274WebVector<WebRect> WebLayerImpl::nonFastScrollableRegion() const {
275  size_t num_rects = 0;
276  for (cc::Region::Iterator region_rects(layer_->non_fast_scrollable_region());
277       region_rects.has_rect();
278       region_rects.next())
279    ++num_rects;
280
281  WebVector<WebRect> result(num_rects);
282  size_t i = 0;
283  for (cc::Region::Iterator region_rects(layer_->non_fast_scrollable_region());
284       region_rects.has_rect();
285       region_rects.next()) {
286    result[i] = region_rects.rect();
287    ++i;
288  }
289  return result;
290}
291
292void WebLayerImpl::setTouchEventHandlerRegion(const WebVector<WebRect>& rects) {
293  cc::Region region;
294  for (size_t i = 0; i < rects.size(); ++i)
295    region.Union(rects[i]);
296  layer_->SetTouchEventHandlerRegion(region);
297}
298
299WebVector<WebRect> WebLayerImpl::touchEventHandlerRegion() const {
300  size_t num_rects = 0;
301  for (cc::Region::Iterator region_rects(layer_->touch_event_handler_region());
302       region_rects.has_rect();
303       region_rects.next())
304    ++num_rects;
305
306  WebVector<WebRect> result(num_rects);
307  size_t i = 0;
308  for (cc::Region::Iterator region_rects(layer_->touch_event_handler_region());
309       region_rects.has_rect();
310       region_rects.next()) {
311    result[i] = region_rects.rect();
312    ++i;
313  }
314  return result;
315}
316
317void WebLayerImpl::setIsContainerForFixedPositionLayers(bool enable) {
318  layer_->SetIsContainerForFixedPositionLayers(enable);
319}
320
321bool WebLayerImpl::isContainerForFixedPositionLayers() const {
322  return layer_->IsContainerForFixedPositionLayers();
323}
324
325static WebKit::WebLayerPositionConstraint ToWebLayerPositionConstraint(
326    const cc::LayerPositionConstraint& constraint) {
327  WebKit::WebLayerPositionConstraint web_constraint;
328  web_constraint.isFixedPosition = constraint.is_fixed_position();
329  web_constraint.isFixedToRightEdge = constraint.is_fixed_to_right_edge();
330  web_constraint.isFixedToBottomEdge = constraint.is_fixed_to_bottom_edge();
331  return web_constraint;
332}
333
334static cc::LayerPositionConstraint ToLayerPositionConstraint(
335    const WebKit::WebLayerPositionConstraint& web_constraint) {
336  cc::LayerPositionConstraint constraint;
337  constraint.set_is_fixed_position(web_constraint.isFixedPosition);
338  constraint.set_is_fixed_to_right_edge(web_constraint.isFixedToRightEdge);
339  constraint.set_is_fixed_to_bottom_edge(web_constraint.isFixedToBottomEdge);
340  return constraint;
341}
342
343void WebLayerImpl::setPositionConstraint(
344    const WebKit::WebLayerPositionConstraint& constraint) {
345  layer_->SetPositionConstraint(ToLayerPositionConstraint(constraint));
346}
347
348WebKit::WebLayerPositionConstraint WebLayerImpl::positionConstraint() const {
349  return ToWebLayerPositionConstraint(layer_->position_constraint());
350}
351
352void WebLayerImpl::setScrollClient(
353    WebKit::WebLayerScrollClient* scroll_client) {
354  if (scroll_client) {
355    layer_->set_did_scroll_callback(
356        base::Bind(&WebKit::WebLayerScrollClient::didScroll,
357                   base::Unretained(scroll_client)));
358  } else {
359    layer_->set_did_scroll_callback(base::Closure());
360  }
361}
362
363bool WebLayerImpl::isOrphan() const { return !layer_->layer_tree_host(); }
364
365void WebLayerImpl::setWebLayerClient(WebKit::WebLayerClient* client) {
366  web_layer_client_ = client;
367}
368
369Layer* WebLayerImpl::layer() const { return layer_.get(); }
370
371}  // namespace webkit
372