mirror of
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124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsPluginArray_h___
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#define nsPluginArray_h___
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#include "nsCOMPtr.h"
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#include "nsIDOMPluginArray.h"
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#include "nsIDOMPlugin.h"
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#include "nsIPluginHost.h"
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#include "nsIURL.h"
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#include "nsWeakReference.h"
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#include "nsIObserver.h"
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namespace mozilla {
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namespace dom {
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class Navigator;
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} // namespace dom
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} // namespace mozilla
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class nsIDocShell;
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// NB: Due to weak references, Navigator has intimate knowledge of our
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// internals.
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class nsPluginArray : public nsIDOMPluginArray
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, public nsIObserver
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, public nsSupportsWeakReference
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{
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public:
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nsPluginArray(mozilla::dom::Navigator* navigator, nsIDocShell *aDocShell);
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virtual ~nsPluginArray();
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NS_DECL_ISUPPORTS
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// nsIDOMPluginArray
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NS_DECL_NSIDOMPLUGINARRAY
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// nsIObserver
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NS_DECL_NSIOBSERVER
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// nsPluginArray registers itself as an observer with a weak reference.
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// This can't be done in the constructor, because at that point its
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// refcount is 0 (and it gets destroyed upon registration). So, Init()
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// must be called after construction.
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void Init();
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nsresult GetPluginHost(nsIPluginHost** aPluginHost);
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nsIDOMPlugin* GetItemAt(uint32_t aIndex, nsresult* aResult);
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nsIDOMPlugin* GetNamedItem(const nsAString& aName, nsresult* aResult);
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static nsPluginArray* FromSupports(nsISupports* aSupports)
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{
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#ifdef DEBUG
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{
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nsCOMPtr<nsIDOMPluginArray> array_qi = do_QueryInterface(aSupports);
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// If this assertion fires the QI implementation for the object in
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// question doesn't use the nsIDOMPluginArray pointer as the nsISupports
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// pointer. That must be fixed, or we'll crash...
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NS_ASSERTION(array_qi == static_cast<nsIDOMPluginArray*>(aSupports),
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"Uh, fix QI!");
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}
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#endif
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return static_cast<nsPluginArray*>(static_cast<nsIDOMPluginArray*>(aSupports));
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}
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private:
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nsresult GetPlugins();
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bool AllowPlugins();
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public:
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void Invalidate();
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protected:
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mozilla::dom::Navigator* mNavigator;
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nsCOMPtr<nsIPluginHost> mPluginHost;
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uint32_t mPluginCount;
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nsIDOMPlugin** mPluginArray;
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nsWeakPtr mDocShell;
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};
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class nsPluginElement : public nsIDOMPlugin
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{
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public:
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nsPluginElement(nsIDOMPlugin* plugin);
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virtual ~nsPluginElement();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMPLUGIN
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nsIDOMMimeType* GetItemAt(uint32_t aIndex, nsresult* aResult);
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nsIDOMMimeType* GetNamedItem(const nsAString& aName, nsresult* aResult);
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static nsPluginElement* FromSupports(nsISupports* aSupports)
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{
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#ifdef DEBUG
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{
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nsCOMPtr<nsIDOMPlugin> plugin_qi = do_QueryInterface(aSupports);
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// If this assertion fires the QI implementation for the object in
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// question doesn't use the nsIDOMPlugin pointer as the nsISupports
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// pointer. That must be fixed, or we'll crash...
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NS_ASSERTION(plugin_qi == static_cast<nsIDOMPlugin*>(aSupports),
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"Uh, fix QI!");
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}
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#endif
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return static_cast<nsPluginElement*>(aSupports);
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}
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private:
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nsresult GetMimeTypes();
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protected:
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nsIDOMPlugin* mPlugin;
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uint32_t mMimeTypeCount;
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nsIDOMMimeType** mMimeTypeArray;
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};
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#endif /* nsPluginArray_h___ */
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