Use union type in ImageBitmapFactories.idl

third_party/WebKit/Source/core/html/HTMLVideoElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 16 matching lines @@
 #include "core/html/HTMLVideoElement.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/CSSPropertyNames.h"
 #include "core/HTMLNames.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/shadow/ShadowRoot.h"
+#include "core/frame/ImageBitmap.h"
 #include "core/frame/Settings.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/layout/LayoutImage.h"
 #include "core/layout/LayoutVideo.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/gpu/Extensions3DUtil.h"
 #include "public/platform/WebCanvas.h"
@@ skipping 266 matching lines @@
 bool HTMLVideoElement::wouldTaintOrigin(SecurityOrigin* destinationSecurityOrigin) const
 {
     return !isMediaDataCORSSameOrigin(destinationSecurityOrigin);
 }
 
 FloatSize HTMLVideoElement::elementSize() const
 {
     return FloatSize(videoWidth(), videoHeight());
 }
 
+IntSize HTMLVideoElement::bitmapSourceSize()
+{
+    return IntSize(videoWidth(), videoHeight());
+}
+
+PassRefPtrWillBeRawPtr<ImageBitmap> HTMLVideoElement::createImageBitmap(EventTarget& eventTarget, ImageBitmapSource* bitmapSource, int sx, int sy, int sw, int sh, ExceptionState& exceptionState)
+{
+    ASSERT(eventTarget.toDOMWindow());
+    HTMLVideoElement* video = static_cast<HTMLVideoElement*>(bitmapSource);
+    if (video->networkState() == HTMLMediaElement::NETWORK_EMPTY) {
+        exceptionState.throwDOMException(InvalidStateError, "The provided element has not retrieved data.");
+        return nullptr;
+    }
+    if (video->readyState() <= HTMLMediaElement::HAVE_METADATA) {
+        exceptionState.throwDOMException(InvalidStateError, "The provided element's player has no current data.");
+        return nullptr;
+    }
+    if (!sw || !sh) {
+        exceptionState.throwDOMException(IndexSizeError, String::format("The source %s provided is 0.", sw ? "height" : "width"));
+        return nullptr;
+    }
+    if (!video->hasSingleSecurityOrigin()) {
+        exceptionState.throwSecurityError("The source video contains image data from multiple origins.");
+        return nullptr;
+    }
+    if (!video->webMediaPlayer()->didPassCORSAccessCheck()
+        && eventTarget.toDOMWindow()->document()->securityOrigin()->taintsCanvas(video->currentSrc())) {
+        exceptionState.throwSecurityError("Cross-origin access to the source video is denied.");
+        return nullptr;
+    }
+    return ImageBitmap::create(video, IntRect(sx, sy, sw, sh));
+}
+
 } // namespace blink