/* * Copyright (C) 2013 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "third_party/blink/renderer/core/frame/smart_clip.h" #include "third_party/blink/renderer/core/dom/container_node.h" #include "third_party/blink/renderer/core/dom/document.h" #include "third_party/blink/renderer/core/dom/node_computed_style.h" #include "third_party/blink/renderer/core/dom/node_traversal.h" #include "third_party/blink/renderer/core/frame/local_dom_window.h" #include "third_party/blink/renderer/core/frame/local_frame.h" #include "third_party/blink/renderer/core/frame/local_frame_view.h" #include "third_party/blink/renderer/core/html/html_frame_owner_element.h" #include "third_party/blink/renderer/core/html/html_span_element.h" #include "third_party/blink/renderer/core/layout/layout_object.h" #include "third_party/blink/renderer/core/page/page.h" #include "third_party/blink/renderer/platform/wtf/text/string_builder.h" namespace blink { static gfx::Rect ConvertToContentCoordinatesWithoutCollapsingToZero( const gfx::Rect& rect_in_viewport, const LocalFrameView* view) { … } static Node* NodeInsideFrame(Node* node) { … } SmartClip::SmartClip(LocalFrame* frame) : … { … } SmartClipData SmartClip::DataForRect(const gfx::Rect& crop_rect_in_viewport) { … } float SmartClip::PageScaleFactor() { … } // This function is a bit of a mystery. If you understand what it does, please // consider adding a more descriptive name. Node* SmartClip::MinNodeContainsNodes(Node* min_node, Node* new_node) { … } Node* SmartClip::FindBestOverlappingNode( Node* root_node, const gfx::Rect& crop_rect_in_viewport) { … } // This function appears to heuristically guess whether to include a background // image in the smart clip. It seems to want to include sprites created from // CSS background images but to skip actual backgrounds. bool SmartClip::ShouldSkipBackgroundImage(Node* node) { … } void SmartClip::CollectOverlappingChildNodes( Node* parent_node, const gfx::Rect& crop_rect_in_viewport, HeapVector<Member<Node>>& hit_nodes) { … } String SmartClip::ExtractTextFromNode(Node* node) { … } } // namespace blink