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30 #include "core/svg/graphics/SVGImageChromeClient.h"
32 #include "core/dom/ScriptForbiddenScope.h"
33 #include "core/frame/FrameView.h"
34 #include "core/svg/graphics/SVGImage.h"
35 #include "platform/graphics/ImageObserver.h"
36 #include "wtf/CurrentTime.h"
40 static const double animationFrameDelay = 0.025;
42 SVGImageChromeClient::SVGImageChromeClient(SVGImage* image)
44 , m_animationTimer(this, &SVGImageChromeClient::animationTimerFired)
48 bool SVGImageChromeClient::isSVGImageChromeClient() const
53 void SVGImageChromeClient::chromeDestroyed()
58 void SVGImageChromeClient::invalidateContentsAndRootView(const IntRect& r)
60 // If m_image->m_page is null, we're being destructed, don't fire changedInRect() in that case.
61 if (m_image && m_image->imageObserver() && m_image->m_page)
62 m_image->imageObserver()->changedInRect(m_image, r);
65 void SVGImageChromeClient::scheduleAnimation()
67 // Because a single SVGImage can be shared by multiple pages, we can't key
68 // our svg image layout on the page's real animation frame. Therefore, we
69 // run this fake animation timer to trigger layout in SVGImages. The name,
70 // "animationTimer", is to match the new requestAnimationFrame-based layout
72 if (m_animationTimer.isActive())
74 // Schedule the 'animation' ASAP if the image does not contain any
75 // animations, but prefer a fixed, jittery, frame-delay if there're any
76 // animations. Checking for pending/active animations could be more
78 double fireTime = m_image->hasAnimations() ? animationFrameDelay : 0;
79 m_animationTimer.startOneShot(fireTime, FROM_HERE);
82 void SVGImageChromeClient::animationTimerFired(Timer<SVGImageChromeClient>*)
86 // serviceScriptedAnimations runs requestAnimationFrame callbacks, but SVG
87 // images can't have any so we assert there's no script.
88 ScriptForbiddenScope forbidScript;
89 m_image->frameView()->page()->animator().serviceScriptedAnimations(monotonicallyIncreasingTime());
90 m_image->frameView()->updateLayoutAndStyleForPainting();