mirror of
https://github.com/mozilla/gecko-dev.git
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Bustage occurred, not sure if it's me, but mine was the only checkin in layout; backing out just in case.
This commit is contained in:
mccabe%netscape.com
parent
ad2e0b0dbf
commit
38660d8cd7
@ -41,7 +41,6 @@
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#include "xptinfo.h"
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#include "nsIInterfaceInfoManager.h"
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#include "nsIPluginInstance.h"
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#include "nsIScriptablePlugin.h"
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#include "nsIXPConnect.h"
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#include "nsIServiceManager.h"
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#include "nsIDOMHTMLEmbedElement.h"
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@ -70,10 +69,7 @@ public:
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NS_DECL_IDOMHTMLEMBEDELEMENT
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// nsIJSScriptObject
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NS_IMETHOD GetScriptObject(nsIScriptContext* aContext,
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void** aScriptObject);
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NS_IMETHOD SetScriptObject(void *aScriptObject);
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NS_IMPL_ISCRIPTOBJECTOWNER_USING_GENERIC(mInner)
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virtual PRBool AddProperty(JSContext *aContext, JSObject *aObj,
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jsval aID, jsval *aVp);
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virtual PRBool DeleteProperty(JSContext *aContext, JSObject *aObj,
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@ -98,7 +94,6 @@ protected:
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protected:
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nsGenericHTMLLeafElement mInner;
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PRBool mReflectedPlugin;
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};
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nsresult
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@ -119,7 +114,6 @@ nsHTMLEmbedElement::nsHTMLEmbedElement(nsINodeInfo *aNodeInfo)
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{
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NS_INIT_REFCNT();
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mInner.Init(this, aNodeInfo);
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mReflectedPlugin = PR_FALSE;
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}
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nsHTMLEmbedElement::~nsHTMLEmbedElement()
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@ -302,109 +296,6 @@ nsHTMLEmbedElement::GetPluginInstance(nsIPluginInstance** aPluginInstance)
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/***************************************************************************/
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/*
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* For plugins, we want to expose both attributes of the plugin tag
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* and any scriptable methods that the plugin itself exposes. To do
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* this, we get the plugin object itself (the XPCOM object) and wrap
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* it as a scriptable object via xpconnect. We then set the original
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* node element, which exposes the DOM node methods, as the javascript
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* prototype object of that object. Then we get both sets of methods, and
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* plugin methods can potentially override DOM methods.
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*/
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NS_IMETHODIMP
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nsHTMLEmbedElement::GetScriptObject(nsIScriptContext* aContext,
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void** aScriptObject)
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{
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if (mReflectedPlugin)
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return mInner.GetScriptObject(aContext, aScriptObject);
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nsresult rv;
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*aScriptObject = nsnull;
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// Get the JS object corresponding to this dom node. This will become
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// the javascript prototype object of the object we eventually reflect to the
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// DOM.
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JSObject* elementObject = nsnull;
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rv = mInner.GetScriptObject(aContext, (void**)&elementObject);
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if (NS_FAILED(rv) || !elementObject)
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return rv;
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nsCOMPtr<nsIPluginInstance> pi;
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rv = GetPluginInstance(getter_AddRefs(pi));
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// Check that the plugin object has the nsIScriptablePlugin
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// interface, describing how to expose it to JavaScript. Given this
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// interface, use it to get the scriptable peer object (possibly the
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// plugin object itself) and the scriptable interface to expose it
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// with.
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nsIID *scriptableInterface = nsnull;
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nsCOMPtr<nsISupports> scriptablePeer;
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if (NS_SUCCEEDED(rv) && pi) {
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nsCOMPtr<nsIScriptablePlugin> spi(do_QueryInterface(pi));
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if (spi) {
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rv = spi->GetScriptableInterface(&scriptableInterface);
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if (NS_SUCCEEDED(rv) && scriptableInterface)
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rv = spi->GetScriptablePeer(getter_AddRefs(scriptablePeer));
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}
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}
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if (NS_FAILED(rv) || !scriptableInterface || !scriptablePeer) {
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// Fall back to returning the element object.
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*aScriptObject = elementObject;
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return NS_OK;
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}
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// Find an appropriate parent object to use when wrapping.
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JSObject* parentObject;
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nsCOMPtr<nsIScriptObjectOwner> owner;
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if (mInner.mParent) {
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owner = do_QueryInterface(mInner.mParent);
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} else if (mInner.mDocument) {
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owner = do_QueryInterface(mInner.mDocument);
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}
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if (owner) {
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rv = owner->GetScriptObject(aContext, (void **)&parentObject);
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}
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if (NS_FAILED(rv) || !parentObject) // Fall back to using element object.
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parentObject = elementObject;
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// Wrap it.
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JSObject* interfaceObject; // XPConnect-wrapped peer object, when we get it.
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JSContext *cx = (JSContext *)aContext->GetNativeContext();
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nsCOMPtr<nsIXPConnect> xpc =
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do_GetService(nsIXPConnect::GetCID());
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if (cx && xpc) {
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nsCOMPtr<nsIXPConnectJSObjectHolder> holder;
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if (NS_SUCCEEDED(xpc->WrapNative(cx, parentObject,
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scriptablePeer, *scriptableInterface,
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getter_AddRefs(holder))) && holder &&
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NS_SUCCEEDED(holder->GetJSObject(&interfaceObject)) && interfaceObject) {
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*aScriptObject = interfaceObject;
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}
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}
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// If we got an xpconnect-wrapped plugin object, set its' prototype to the
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// element object.
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if (!*aScriptObject || !JS_SetPrototype(cx, interfaceObject, elementObject)) {
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*aScriptObject = elementObject; // fall back
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return NS_OK;
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}
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// Cache it.
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if (NS_SUCCEEDED(mInner.SetScriptObject(*aScriptObject)))
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mReflectedPlugin = PR_TRUE;
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return NS_OK;
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}
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// TODO: if this method ever gets called, it will destroy the prototype type
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// chain.
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NS_IMETHODIMP
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nsHTMLEmbedElement::SetScriptObject(void *aScriptObject)
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{
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return mInner.SetScriptObject(aScriptObject);
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}
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// nsIJSScriptObject
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PRBool
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@ -419,8 +310,6 @@ nsHTMLEmbedElement::DeleteProperty(JSContext *aContext, JSObject *aObj, jsval aI
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return mInner.DeleteProperty(aContext, aObj, aID, aVp);
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}
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// Allow access to arbitrary XPCOM interfaces supported by the plugin
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// via a pluginObject.nsISomeInterface notation.
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PRBool
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nsHTMLEmbedElement::GetProperty(JSContext *aContext, JSObject *aObj, jsval aID, jsval *aVp)
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{
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@ -41,7 +41,6 @@
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#include "xptinfo.h"
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#include "nsIInterfaceInfoManager.h"
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#include "nsIPluginInstance.h"
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#include "nsIScriptablePlugin.h"
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#include "nsIXPConnect.h"
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#include "nsIServiceManager.h"
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#include "nsIDOMHTMLEmbedElement.h"
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@ -70,10 +69,7 @@ public:
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NS_DECL_IDOMHTMLEMBEDELEMENT
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// nsIJSScriptObject
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NS_IMETHOD GetScriptObject(nsIScriptContext* aContext,
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void** aScriptObject);
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NS_IMETHOD SetScriptObject(void *aScriptObject);
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NS_IMPL_ISCRIPTOBJECTOWNER_USING_GENERIC(mInner)
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virtual PRBool AddProperty(JSContext *aContext, JSObject *aObj,
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jsval aID, jsval *aVp);
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virtual PRBool DeleteProperty(JSContext *aContext, JSObject *aObj,
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@ -98,7 +94,6 @@ protected:
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protected:
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nsGenericHTMLLeafElement mInner;
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PRBool mReflectedPlugin;
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};
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nsresult
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@ -119,7 +114,6 @@ nsHTMLEmbedElement::nsHTMLEmbedElement(nsINodeInfo *aNodeInfo)
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{
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NS_INIT_REFCNT();
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mInner.Init(this, aNodeInfo);
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mReflectedPlugin = PR_FALSE;
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}
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nsHTMLEmbedElement::~nsHTMLEmbedElement()
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@ -302,109 +296,6 @@ nsHTMLEmbedElement::GetPluginInstance(nsIPluginInstance** aPluginInstance)
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/***************************************************************************/
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/*
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* For plugins, we want to expose both attributes of the plugin tag
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* and any scriptable methods that the plugin itself exposes. To do
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* this, we get the plugin object itself (the XPCOM object) and wrap
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* it as a scriptable object via xpconnect. We then set the original
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* node element, which exposes the DOM node methods, as the javascript
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* prototype object of that object. Then we get both sets of methods, and
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* plugin methods can potentially override DOM methods.
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*/
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NS_IMETHODIMP
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nsHTMLEmbedElement::GetScriptObject(nsIScriptContext* aContext,
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void** aScriptObject)
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{
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if (mReflectedPlugin)
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return mInner.GetScriptObject(aContext, aScriptObject);
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nsresult rv;
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*aScriptObject = nsnull;
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// Get the JS object corresponding to this dom node. This will become
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// the javascript prototype object of the object we eventually reflect to the
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// DOM.
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JSObject* elementObject = nsnull;
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rv = mInner.GetScriptObject(aContext, (void**)&elementObject);
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if (NS_FAILED(rv) || !elementObject)
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return rv;
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nsCOMPtr<nsIPluginInstance> pi;
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rv = GetPluginInstance(getter_AddRefs(pi));
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// Check that the plugin object has the nsIScriptablePlugin
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// interface, describing how to expose it to JavaScript. Given this
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// interface, use it to get the scriptable peer object (possibly the
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// plugin object itself) and the scriptable interface to expose it
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// with.
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nsIID *scriptableInterface = nsnull;
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nsCOMPtr<nsISupports> scriptablePeer;
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if (NS_SUCCEEDED(rv) && pi) {
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nsCOMPtr<nsIScriptablePlugin> spi(do_QueryInterface(pi));
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if (spi) {
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rv = spi->GetScriptableInterface(&scriptableInterface);
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if (NS_SUCCEEDED(rv) && scriptableInterface)
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rv = spi->GetScriptablePeer(getter_AddRefs(scriptablePeer));
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}
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}
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if (NS_FAILED(rv) || !scriptableInterface || !scriptablePeer) {
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// Fall back to returning the element object.
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*aScriptObject = elementObject;
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return NS_OK;
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}
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// Find an appropriate parent object to use when wrapping.
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JSObject* parentObject;
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nsCOMPtr<nsIScriptObjectOwner> owner;
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if (mInner.mParent) {
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owner = do_QueryInterface(mInner.mParent);
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} else if (mInner.mDocument) {
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owner = do_QueryInterface(mInner.mDocument);
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}
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if (owner) {
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rv = owner->GetScriptObject(aContext, (void **)&parentObject);
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}
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if (NS_FAILED(rv) || !parentObject) // Fall back to using element object.
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parentObject = elementObject;
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// Wrap it.
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JSObject* interfaceObject; // XPConnect-wrapped peer object, when we get it.
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JSContext *cx = (JSContext *)aContext->GetNativeContext();
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nsCOMPtr<nsIXPConnect> xpc =
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do_GetService(nsIXPConnect::GetCID());
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if (cx && xpc) {
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nsCOMPtr<nsIXPConnectJSObjectHolder> holder;
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if (NS_SUCCEEDED(xpc->WrapNative(cx, parentObject,
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scriptablePeer, *scriptableInterface,
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getter_AddRefs(holder))) && holder &&
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NS_SUCCEEDED(holder->GetJSObject(&interfaceObject)) && interfaceObject) {
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*aScriptObject = interfaceObject;
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}
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}
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// If we got an xpconnect-wrapped plugin object, set its' prototype to the
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// element object.
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if (!*aScriptObject || !JS_SetPrototype(cx, interfaceObject, elementObject)) {
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*aScriptObject = elementObject; // fall back
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return NS_OK;
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}
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// Cache it.
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if (NS_SUCCEEDED(mInner.SetScriptObject(*aScriptObject)))
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mReflectedPlugin = PR_TRUE;
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return NS_OK;
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}
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// TODO: if this method ever gets called, it will destroy the prototype type
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// chain.
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NS_IMETHODIMP
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nsHTMLEmbedElement::SetScriptObject(void *aScriptObject)
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{
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return mInner.SetScriptObject(aScriptObject);
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}
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// nsIJSScriptObject
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PRBool
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@ -419,8 +310,6 @@ nsHTMLEmbedElement::DeleteProperty(JSContext *aContext, JSObject *aObj, jsval aI
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return mInner.DeleteProperty(aContext, aObj, aID, aVp);
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}
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// Allow access to arbitrary XPCOM interfaces supported by the plugin
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// via a pluginObject.nsISomeInterface notation.
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PRBool
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nsHTMLEmbedElement::GetProperty(JSContext *aContext, JSObject *aObj, jsval aID, jsval *aVp)
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{
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