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| 1 /* | 1 /* |
| 2 * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies) | 2 * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies) |
| 3 * | 3 * |
| 4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
| 5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
| 6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
| 7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
| 8 * | 8 * |
| 9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
| 13 * | 13 * |
| 14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
| 15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
| 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
| 18 */ | 18 */ |
| 19 | 19 |
| 20 #include "config.h" | 20 #include "config.h" |
| 21 | 21 |
| 22 #include "core/page/TouchAdjustment.h" | 22 #include "core/page/TouchAdjustment.h" |
| 23 | 23 |
| 24 #include "core/dom/ContainerNode.h" | 24 #include "core/dom/ContainerNode.h" |
| 25 #include "core/dom/Node.h" | 25 #include "core/dom/Node.h" |
| 26 #include "core/dom/NodeLayoutStyle.h" | 26 #include "core/dom/NodeComputedStyle.h" |
| 27 #include "core/dom/Text.h" | 27 #include "core/dom/Text.h" |
| 28 #include "core/editing/Editor.h" | 28 #include "core/editing/Editor.h" |
| 29 #include "core/frame/FrameView.h" | 29 #include "core/frame/FrameView.h" |
| 30 #include "core/frame/LocalFrame.h" | 30 #include "core/frame/LocalFrame.h" |
| 31 #include "core/html/HTMLFrameOwnerElement.h" | 31 #include "core/html/HTMLFrameOwnerElement.h" |
| 32 #include "core/layout/LayoutBox.h" | 32 #include "core/layout/LayoutBox.h" |
| 33 #include "core/layout/LayoutObject.h" | 33 #include "core/layout/LayoutObject.h" |
| 34 #include "core/layout/LayoutText.h" | 34 #include "core/layout/LayoutText.h" |
| 35 #include "core/layout/style/LayoutStyle.h" | 35 #include "core/layout/style/ComputedStyle.h" |
| 36 #include "platform/geometry/FloatPoint.h" | 36 #include "platform/geometry/FloatPoint.h" |
| 37 #include "platform/geometry/FloatQuad.h" | 37 #include "platform/geometry/FloatQuad.h" |
| 38 #include "platform/geometry/IntSize.h" | 38 #include "platform/geometry/IntSize.h" |
| 39 #include "platform/text/TextBreakIterator.h" | 39 #include "platform/text/TextBreakIterator.h" |
| 40 | 40 |
| 41 namespace blink { | 41 namespace blink { |
| 42 | 42 |
| 43 namespace TouchAdjustment { | 43 namespace TouchAdjustment { |
| 44 | 44 |
| 45 const float zeroTolerance = 1e-6f; | 45 const float zeroTolerance = 1e-6f; |
| (...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 87 Element* element = toElement(node); | 87 Element* element = toElement(node); |
| 88 // Tapping on a text field or other focusable item should trigger adjust
ment, except | 88 // Tapping on a text field or other focusable item should trigger adjust
ment, except |
| 89 // that iframe elements are hard-coded to support focus but the effect i
s often invisible | 89 // that iframe elements are hard-coded to support focus but the effect i
s often invisible |
| 90 // so they should be excluded. | 90 // so they should be excluded. |
| 91 if (element->isMouseFocusable() && !isHTMLIFrameElement(element)) | 91 if (element->isMouseFocusable() && !isHTMLIFrameElement(element)) |
| 92 return true; | 92 return true; |
| 93 // Accept nodes that has a CSS effect when touched. | 93 // Accept nodes that has a CSS effect when touched. |
| 94 if (element->childrenOrSiblingsAffectedByActive() || element->childrenOr
SiblingsAffectedByHover()) | 94 if (element->childrenOrSiblingsAffectedByActive() || element->childrenOr
SiblingsAffectedByHover()) |
| 95 return true; | 95 return true; |
| 96 } | 96 } |
| 97 if (const LayoutStyle* layoutStyle = node->layoutStyle()) { | 97 if (const ComputedStyle* computedStyle = node->computedStyle()) { |
| 98 if (layoutStyle->affectedByActive() || layoutStyle->affectedByHover()) | 98 if (computedStyle->affectedByActive() || computedStyle->affectedByHover(
)) |
| 99 return true; | 99 return true; |
| 100 } | 100 } |
| 101 return false; | 101 return false; |
| 102 } | 102 } |
| 103 | 103 |
| 104 bool nodeIsZoomTarget(Node* node) | 104 bool nodeIsZoomTarget(Node* node) |
| 105 { | 105 { |
| 106 if (node->isTextNode() || node->isShadowRoot()) | 106 if (node->isTextNode() || node->isShadowRoot()) |
| 107 return false; | 107 return false; |
| 108 | 108 |
| (...skipping 389 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 498 | 498 |
| 499 bool findBestZoomableArea(Node*& targetNode, IntRect& targetArea, const IntPoint
& touchHotspot, const IntRect& touchArea, const WillBeHeapVector<RefPtrWillBeMem
ber<Node>>& nodes) | 499 bool findBestZoomableArea(Node*& targetNode, IntRect& targetArea, const IntPoint
& touchHotspot, const IntRect& touchArea, const WillBeHeapVector<RefPtrWillBeMem
ber<Node>>& nodes) |
| 500 { | 500 { |
| 501 IntPoint targetPoint; | 501 IntPoint targetPoint; |
| 502 TouchAdjustment::SubtargetGeometryList subtargets; | 502 TouchAdjustment::SubtargetGeometryList subtargets; |
| 503 TouchAdjustment::compileZoomableSubtargets(nodes, subtargets); | 503 TouchAdjustment::compileZoomableSubtargets(nodes, subtargets); |
| 504 return TouchAdjustment::findNodeWithLowestDistanceMetric(targetNode, targetP
oint, targetArea, touchHotspot, touchArea, subtargets, TouchAdjustment::zoomable
IntersectionQuotient); | 504 return TouchAdjustment::findNodeWithLowestDistanceMetric(targetNode, targetP
oint, targetArea, touchHotspot, touchArea, subtargets, TouchAdjustment::zoomable
IntersectionQuotient); |
| 505 } | 505 } |
| 506 | 506 |
| 507 } // namespace blink | 507 } // namespace blink |
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