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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved. |
3 * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies) | 3 * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies) |
4 * Copyright (C) 2007 Alp Toker <alp@atoker.com> | 4 * Copyright (C) 2007 Alp Toker <alp@atoker.com> |
5 * Copyright (C) 2008 Eric Seidel <eric@webkit.org> | 5 * Copyright (C) 2008 Eric Seidel <eric@webkit.org> |
6 * Copyright (C) 2008 Dirk Schulze <krit@webkit.org> | 6 * Copyright (C) 2008 Dirk Schulze <krit@webkit.org> |
7 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. | 7 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. |
8 * Copyright (C) 2012 Intel Corporation. All rights reserved. | 8 * Copyright (C) 2012 Intel Corporation. All rights reserved. |
9 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. | 9 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. |
10 * | 10 * |
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27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
28 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 28 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
31 */ | 31 */ |
32 | 32 |
33 #include "config.h" | 33 #include "config.h" |
34 #include "core/html/canvas/CanvasRenderingContext2D.h" | 34 #include "core/html/canvas/CanvasRenderingContext2D.h" |
35 | 35 |
36 #include "CSSPropertyNames.h" | 36 #include "CSSPropertyNames.h" |
37 #include "core/accessibility/AXObjectCache.h" | |
Stephen White
2013/07/19 14:37:11
It seems unfortunate to add this dependency direct
| |
37 #include "core/css/CSSFontSelector.h" | 38 #include "core/css/CSSFontSelector.h" |
38 #include "core/css/CSSParser.h" | 39 #include "core/css/CSSParser.h" |
39 #include "core/css/StylePropertySet.h" | 40 #include "core/css/StylePropertySet.h" |
40 #include "core/css/resolver/StyleResolver.h" | 41 #include "core/css/resolver/StyleResolver.h" |
41 #include "core/dom/ExceptionCode.h" | 42 #include "core/dom/ExceptionCode.h" |
42 #include "core/dom/ExceptionCodePlaceholder.h" | 43 #include "core/dom/ExceptionCodePlaceholder.h" |
43 #include "core/html/HTMLCanvasElement.h" | 44 #include "core/html/HTMLCanvasElement.h" |
44 #include "core/html/HTMLImageElement.h" | 45 #include "core/html/HTMLImageElement.h" |
45 #include "core/html/HTMLMediaElement.h" | 46 #include "core/html/HTMLMediaElement.h" |
46 #include "core/html/HTMLVideoElement.h" | 47 #include "core/html/HTMLVideoElement.h" |
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2300 c->setImageInterpolationQuality(enabled ? DefaultInterpolationQuality : InterpolationNone); | 2301 c->setImageInterpolationQuality(enabled ? DefaultInterpolationQuality : InterpolationNone); |
2301 } | 2302 } |
2302 | 2303 |
2303 PassRefPtr<Canvas2DContextAttributes> CanvasRenderingContext2D::getContextAttrib utes() const | 2304 PassRefPtr<Canvas2DContextAttributes> CanvasRenderingContext2D::getContextAttrib utes() const |
2304 { | 2305 { |
2305 RefPtr<Canvas2DContextAttributes> attributes = Canvas2DContextAttributes::cr eate(); | 2306 RefPtr<Canvas2DContextAttributes> attributes = Canvas2DContextAttributes::cr eate(); |
2306 attributes->setAlpha(m_hasAlpha); | 2307 attributes->setAlpha(m_hasAlpha); |
2307 return attributes.release(); | 2308 return attributes.release(); |
2308 } | 2309 } |
2309 | 2310 |
2311 void CanvasRenderingContext2D::drawSystemFocusRing(Element* element) | |
2312 { | |
2313 drawFocusRing(m_path, element, false); | |
2314 } | |
2315 | |
2316 void CanvasRenderingContext2D::drawSystemFocusRing(DOMPath* path, Element* eleme nt) | |
2317 { | |
2318 drawFocusRing(path->path(), element, false); | |
2319 } | |
2320 | |
2321 bool CanvasRenderingContext2D::drawCustomFocusRing(Element* element) | |
2322 { | |
2323 drawFocusRing(m_path, element, true); | |
2324 // Blink doesn't draw a custom focus ring; we always return false to inform the web app it should draw it. | |
2325 return false; | |
2326 } | |
2327 | |
2328 bool CanvasRenderingContext2D::drawCustomFocusRing(DOMPath* path, Element* eleme nt) | |
2329 { | |
2330 drawFocusRing(path->path(), element, true); | |
2331 // Blink doesn't draw a custom focus ring; we always return false to inform the web app it should draw it. | |
2332 return false; | |
2333 } | |
2334 | |
2335 void CanvasRenderingContext2D::drawFocusRing(const Path& path, Element* element, bool custom) | |
2336 { | |
2337 GraphicsContext* c = drawingContext(); | |
2338 if (!c) | |
2339 return; | |
2340 if (!state().m_invertibleCTM) | |
2341 return; | |
2342 if (path.isEmpty()) | |
2343 return; | |
2344 FloatRect boundingRect = path.boundingRect(); | |
2345 | |
2346 // If accessibility is enabled, associate this bounding box with the element . | |
2347 if (AXObjectCache* axObjectCache = element->document()->existingAXObjectCach e()) { | |
2348 if (AccessibilityObject* obj = axObjectCache->getOrCreate(element)) { | |
2349 IntRect canvasRect = canvas()->renderer()->absoluteBoundingBoxRect() ; | |
2350 LayoutRect rect = LayoutRect(boundingRect); | |
2351 rect.moveBy(canvasRect.location()); | |
2352 obj->setElementRect(rect); | |
2353 } | |
2354 } | |
2355 | |
2356 // Only draw if the element is focused and if the function called wasn't dra wCustomFocusRing. | |
2357 if (custom || !element->focused()) | |
2358 return; | |
2359 | |
2360 // Get the outline style from the element and use it to draw the focus ring on the canvas. | |
2361 RenderStyle* style = element->computedStyle(); | |
2362 if (!style) | |
2363 return; | |
2364 | |
2365 c->save(); | |
2366 c->setAlpha(1.0); | |
2367 c->clearShadow(); | |
2368 Vector<IntRect> rects; | |
2369 rects.append(pixelSnappedIntRect(LayoutRect(boundingRect))); | |
2370 c->drawFocusRing(rects, style->outlineWidth(), style->outlineOffset(), style ->visitedDependentColor(CSSPropertyOutlineColor)); | |
2371 c->restore(); | |
2372 didDraw(boundingRect); | |
2373 } | |
2374 | |
2310 } // namespace WebCore | 2375 } // namespace WebCore |
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