OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
(...skipping 132 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
143 return element; | 143 return element; |
144 } | 144 } |
145 | 145 |
146 // Return a set of rectangles that should not be overdrawn by the | 146 // Return a set of rectangles that should not be overdrawn by the |
147 // plugin ("cutouts"). This helps implement the "iframe shim" | 147 // plugin ("cutouts"). This helps implement the "iframe shim" |
148 // technique of overlaying a windowed plugin with content from the | 148 // technique of overlaying a windowed plugin with content from the |
149 // page. In a nutshell, iframe elements should occlude plugins when | 149 // page. In a nutshell, iframe elements should occlude plugins when |
150 // they occur higher in the stacking order. | 150 // they occur higher in the stacking order. |
151 void getPluginOcclusions(Element* element, Widget* parentWidget, const IntRect&
frameRect, Vector<IntRect>& occlusions) | 151 void getPluginOcclusions(Element* element, Widget* parentWidget, const IntRect&
frameRect, Vector<IntRect>& occlusions) |
152 { | 152 { |
153 LayoutObject* pluginNode = element->renderer(); | 153 LayoutObject* pluginNode = element->layoutObject(); |
154 ASSERT(pluginNode); | 154 ASSERT(pluginNode); |
155 if (!pluginNode->style()) | 155 if (!pluginNode->style()) |
156 return; | 156 return; |
157 Vector<const LayoutObject*> pluginZstack; | 157 Vector<const LayoutObject*> pluginZstack; |
158 Vector<const LayoutObject*> iframeZstack; | 158 Vector<const LayoutObject*> iframeZstack; |
159 getObjectStack(pluginNode, &pluginZstack); | 159 getObjectStack(pluginNode, &pluginZstack); |
160 | 160 |
161 if (!parentWidget->isFrameView()) | 161 if (!parentWidget->isFrameView()) |
162 return; | 162 return; |
163 | 163 |
164 FrameView* parentFrameView = toFrameView(parentWidget); | 164 FrameView* parentFrameView = toFrameView(parentWidget); |
165 | 165 |
166 // Occlusions by iframes. | 166 // Occlusions by iframes. |
167 const FrameView::ChildrenWidgetSet* children = parentFrameView->children(); | 167 const FrameView::ChildrenWidgetSet* children = parentFrameView->children(); |
168 for (FrameView::ChildrenWidgetSet::const_iterator it = children->begin(); it
!= children->end(); ++it) { | 168 for (FrameView::ChildrenWidgetSet::const_iterator it = children->begin(); it
!= children->end(); ++it) { |
169 // We only care about FrameView's because iframes show up as FrameViews. | 169 // We only care about FrameView's because iframes show up as FrameViews. |
170 if (!(*it)->isFrameView()) | 170 if (!(*it)->isFrameView()) |
171 continue; | 171 continue; |
172 | 172 |
173 const FrameView* frameView = toFrameView(it->get()); | 173 const FrameView* frameView = toFrameView(it->get()); |
174 // Check to make sure we can get both the element and the LayoutObject | 174 // Check to make sure we can get both the element and the LayoutObject |
175 // for this FrameView, if we can't just move on to the next object. | 175 // for this FrameView, if we can't just move on to the next object. |
176 // FIXME: Plugin occlusion by remote frames is probably broken. | 176 // FIXME: Plugin occlusion by remote frames is probably broken. |
177 HTMLElement* element = frameView->frame().deprecatedLocalOwner(); | 177 HTMLElement* element = frameView->frame().deprecatedLocalOwner(); |
178 if (!element || !element->renderer()) | 178 if (!element || !element->layoutObject()) |
179 continue; | 179 continue; |
180 | 180 |
181 LayoutObject* iframeRenderer = element->renderer(); | 181 LayoutObject* iframeRenderer = element->layoutObject(); |
182 | 182 |
183 if (isHTMLIFrameElement(*element) && intersectsRect(iframeRenderer, fram
eRect)) { | 183 if (isHTMLIFrameElement(*element) && intersectsRect(iframeRenderer, fram
eRect)) { |
184 getObjectStack(iframeRenderer, &iframeZstack); | 184 getObjectStack(iframeRenderer, &iframeZstack); |
185 if (iframeIsAbovePlugin(iframeZstack, pluginZstack)) | 185 if (iframeIsAbovePlugin(iframeZstack, pluginZstack)) |
186 addToOcclusions(toLayoutBox(iframeRenderer), occlusions); | 186 addToOcclusions(toLayoutBox(iframeRenderer), occlusions); |
187 } | 187 } |
188 } | 188 } |
189 | 189 |
190 // Occlusions by top layer elements. | 190 // Occlusions by top layer elements. |
191 // FIXME: There's no handling yet for the interaction between top layer and | 191 // FIXME: There's no handling yet for the interaction between top layer and |
192 // iframes. For example, a plugin in the top layer will be occluded by an | 192 // iframes. For example, a plugin in the top layer will be occluded by an |
193 // iframe. And a plugin inside an iframe in the top layer won't be respected | 193 // iframe. And a plugin inside an iframe in the top layer won't be respected |
194 // as being in the top layer. | 194 // as being in the top layer. |
195 const Element* ancestor = topLayerAncestor(element); | 195 const Element* ancestor = topLayerAncestor(element); |
196 Document* document = parentFrameView->frame().document(); | 196 Document* document = parentFrameView->frame().document(); |
197 const WillBeHeapVector<RefPtrWillBeMember<Element> >& elements = document->t
opLayerElements(); | 197 const WillBeHeapVector<RefPtrWillBeMember<Element> >& elements = document->t
opLayerElements(); |
198 size_t start = ancestor ? elements.find(ancestor) + 1 : 0; | 198 size_t start = ancestor ? elements.find(ancestor) + 1 : 0; |
199 for (size_t i = start; i < elements.size(); ++i) | 199 for (size_t i = start; i < elements.size(); ++i) |
200 addTreeToOcclusions(elements[i]->renderer(), frameRect, occlusions); | 200 addTreeToOcclusions(elements[i]->layoutObject(), frameRect, occlusions); |
201 } | 201 } |
202 | 202 |
203 } // namespace blink | 203 } // namespace blink |
OLD | NEW |