Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 291 insertions, 0 deletions

diff --git a/js/xpconnect/src/nsIXPConnect.h b/js/xpconnect/src/nsIXPConnect.h
new file mode 100644
index 0000000000..07703182f4
--- /dev/null
+++ b/js/xpconnect/src/nsIXPConnect.h
@@ -0,0 +1,291 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsIXPConnect_h
+#define nsIXPConnect_h
+
+/* The core XPConnect public interfaces. */
+
+#include "nsISupports.h"
+
+#include "jspubtd.h"
+#include "js/CompileOptions.h"
+#include "js/TypeDecls.h"
+#include "mozilla/Attributes.h"
+#include "xptinfo.h"
+#include "nsCOMPtr.h"
+
+class XPCWrappedNative;
+class nsXPCWrappedJS;
+class nsWrapperCache;
+
+// forward declarations...
+class nsIPrincipal;
+class nsIVariant;
+
+/***************************************************************************/
+#define NS_IXPCONNECTJSOBJECTHOLDER_IID_STR \
+  "73e6ff4a-ab99-4d99-ac00-ba39ccb8e4d7"
+#define NS_IXPCONNECTJSOBJECTHOLDER_IID              \
+  {                                                  \
+    0x73e6ff4a, 0xab99, 0x4d99, {                    \
+      0xac, 0x00, 0xba, 0x39, 0xcc, 0xb8, 0xe4, 0xd7 \
+    }                                                \
+  }
+
+class NS_NO_VTABLE nsIXPConnectJSObjectHolder : public nsISupports {
+ public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IXPCONNECTJSOBJECTHOLDER_IID)
+
+  virtual JSObject* GetJSObject() = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIXPConnectJSObjectHolder,
+                              NS_IXPCONNECTJSOBJECTHOLDER_IID)
+
+#define NS_IXPCONNECTWRAPPEDNATIVE_IID_STR \
+  "e787be29-db5d-4a45-a3d6-1de1d6b85c30"
+#define NS_IXPCONNECTWRAPPEDNATIVE_IID               \
+  {                                                  \
+    0xe787be29, 0xdb5d, 0x4a45, {                    \
+      0xa3, 0xd6, 0x1d, 0xe1, 0xd6, 0xb8, 0x5c, 0x30 \
+    }                                                \
+  }
+
+class nsIXPConnectWrappedNative : public nsIXPConnectJSObjectHolder {
+ public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IXPCONNECTWRAPPEDNATIVE_IID)
+
+  nsresult DebugDump(int16_t depth);
+
+  nsISupports* Native() const { return mIdentity; }
+
+ protected:
+  nsCOMPtr<nsISupports> mIdentity;
+
+ private:
+  XPCWrappedNative* AsXPCWrappedNative();
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIXPConnectWrappedNative,
+                              NS_IXPCONNECTWRAPPEDNATIVE_IID)
+
+#define NS_IXPCONNECTWRAPPEDJS_IID_STR "3a01b0d6-074b-49ed-bac3-08c76366cae4"
+#define NS_IXPCONNECTWRAPPEDJS_IID                   \
+  {                                                  \
+    0x3a01b0d6, 0x074b, 0x49ed, {                    \
+      0xba, 0xc3, 0x08, 0xc7, 0x63, 0x66, 0xca, 0xe4 \
+    }                                                \
+  }
+
+class nsIXPConnectWrappedJS : public nsIXPConnectJSObjectHolder {
+ public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IXPCONNECTWRAPPEDJS_IID)
+
+  nsresult GetInterfaceIID(nsIID** aInterfaceIID);
+
+  // Returns the global object for our JS object. If this object is a
+  // cross-compartment wrapper, returns the compartment's first global.
+  // The global we return is guaranteed to be same-compartment with the
+  // object.
+  // Note: this matches the GetJSObject() signature.
+  JSObject* GetJSObjectGlobal();
+
+  nsresult DebugDump(int16_t depth);
+
+  nsresult AggregatedQueryInterface(const nsIID& aIID, void** aInstancePtr);
+
+ private:
+  nsXPCWrappedJS* AsXPCWrappedJS();
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIXPConnectWrappedJS, NS_IXPCONNECTWRAPPEDJS_IID)
+
+#define NS_IXPCONNECTWRAPPEDJSUNMARKGRAY_IID_STR \
+  "c02a0ce6-275f-4ea1-9c23-08494898b070"
+#define NS_IXPCONNECTWRAPPEDJSUNMARKGRAY_IID         \
+  {                                                  \
+    0xc02a0ce6, 0x275f, 0x4ea1, {                    \
+      0x9c, 0x23, 0x08, 0x49, 0x48, 0x98, 0xb0, 0x70 \
+    }                                                \
+  }
+
+// Special interface to unmark the internal JSObject.
+// QIing to nsIXPConnectWrappedJSUnmarkGray does *not* addref, it only unmarks,
+// and QIing to nsIXPConnectWrappedJSUnmarkGray is always supposed to fail.
+class NS_NO_VTABLE nsIXPConnectWrappedJSUnmarkGray
+    : public nsIXPConnectWrappedJS {
+ public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IXPCONNECTWRAPPEDJSUNMARKGRAY_IID)
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIXPConnectWrappedJSUnmarkGray,
+                              NS_IXPCONNECTWRAPPEDJSUNMARKGRAY_IID)
+
+/***************************************************************************/
+
+#define NS_IXPCONNECT_IID_STR "768507b5-b981-40c7-8276-f6a1da502a24"
+#define NS_IXPCONNECT_IID                            \
+  {                                                  \
+    0x768507b5, 0xb981, 0x40c7, {                    \
+      0x82, 0x76, 0xf6, 0xa1, 0xda, 0x50, 0x2a, 0x24 \
+    }                                                \
+  }
+
+class nsIXPConnect : public nsISupports {
+ public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IXPCONNECT_IID)
+  // This gets a non-addref'd pointer.
+  static nsIXPConnect* XPConnect();
+
+  /**
+   * wrapNative will create a new JSObject or return an existing one.
+   *
+   * This method now correctly deals with cases where the passed in xpcom
+   * object already has an associated JSObject for the cases:
+   *  1) The xpcom object has already been wrapped for use in the same scope
+   *     as an nsIXPConnectWrappedNative.
+   *  2) The xpcom object is in fact a nsIXPConnectWrappedJS and thus already
+   *     has an underlying JSObject.
+   *
+   * It *might* be possible to QueryInterface the nsIXPConnectJSObjectHolder
+   * returned by the method into a nsIXPConnectWrappedNative or a
+   * nsIXPConnectWrappedJS.
+   *
+   * This method will never wrap the JSObject involved in an
+   * XPCNativeWrapper before returning.
+   *
+   * Returns:
+   *    success:
+   *       NS_OK
+   *    failure:
+   *       NS_ERROR_XPC_BAD_CONVERT_NATIVE
+   *       NS_ERROR_FAILURE
+   */
+  nsresult WrapNative(JSContext* aJSContext, JSObject* aScopeArg,
+                      nsISupports* aCOMObj, const nsIID& aIID,
+                      JSObject** aRetVal);
+
+  /**
+   * Same as wrapNative, but it returns the JSObject in aVal. C++ callers
+   * must ensure that aVal is rooted.
+   * aIID may be null, it means the same as passing in
+   * &NS_GET_IID(nsISupports) but when passing in null certain shortcuts
+   * can be taken because we know without comparing IIDs that the caller is
+   * asking for an nsISupports wrapper.
+   * If aAllowWrapper, then the returned value will be wrapped in the proper
+   * type of security wrapper on top of the XPCWrappedNative (if needed).
+   * This method doesn't push aJSContext on the context stack, so the caller
+   * is required to push it if the top of the context stack is not equal to
+   * aJSContext.
+   */
+  nsresult WrapNativeToJSVal(JSContext* aJSContext, JSObject* aScopeArg,
+                             nsISupports* aCOMObj, nsWrapperCache* aCache,
+                             const nsIID* aIID, bool aAllowWrapping,
+                             JS::MutableHandle<JS::Value> aVal);
+
+  /**
+   * wrapJS will yield a new or previously existing xpcom interface pointer
+   * to represent the JSObject passed in.
+   *
+   * This method now correctly deals with cases where the passed in JSObject
+   * already has an associated xpcom interface for the cases:
+   *  1) The JSObject has already been wrapped as a nsIXPConnectWrappedJS.
+   *  2) The JSObject is in fact a nsIXPConnectWrappedNative and thus already
+   *     has an underlying xpcom object.
+   *  3) The JSObject is of a jsclass which supports getting the nsISupports
+   *     from the JSObject directly. This is used for idlc style objects
+   *     (e.g. DOM objects).
+   *
+   * It *might* be possible to QueryInterface the resulting interface pointer
+   * to nsIXPConnectWrappedJS.
+   *
+   * Returns:
+   *   success:
+   *     NS_OK
+   *    failure:
+   *       NS_ERROR_XPC_BAD_CONVERT_JS
+   *       NS_ERROR_FAILURE
+   */
+  nsresult WrapJS(JSContext* aJSContext, JSObject* aJSObj, const nsIID& aIID,
+                  void** result);
+
+  /**
+   * Wraps the given jsval in a nsIVariant and returns the new variant.
+   */
+  nsresult JSValToVariant(JSContext* cx, JS::Handle<JS::Value> aJSVal,
+                          nsIVariant** aResult);
+
+  /**
+   * This only succeeds if the JSObject is a nsIXPConnectWrappedNative.
+   * A new wrapper is *never* constructed.
+   */
+  nsresult GetWrappedNativeOfJSObject(JSContext* aJSContext, JSObject* aJSObj,
+                                      nsIXPConnectWrappedNative** _retval);
+
+  nsresult DebugDump(int16_t depth);
+  nsresult DebugDumpObject(nsISupports* aCOMObj, int16_t depth);
+  nsresult DebugDumpJSStack(bool showArgs, bool showLocals, bool showThisProps);
+
+  /**
+   * wrapJSAggregatedToNative is just like wrapJS except it is used in cases
+   * where the JSObject is also aggregated to some native xpcom Object.
+   * At present XBL is the only system that might want to do this.
+   *
+   * XXX write more!
+   *
+   * Returns:
+   *   success:
+   *     NS_OK
+   *    failure:
+   *       NS_ERROR_XPC_BAD_CONVERT_JS
+   *       NS_ERROR_FAILURE
+   */
+  nsresult WrapJSAggregatedToNative(nsISupports* aOuter, JSContext* aJSContext,
+                                    JSObject* aJSObj, const nsIID& aIID,
+                                    void** result);
+
+  // Methods added since mozilla 0.6....
+
+  nsresult VariantToJS(JSContext* ctx, JSObject* scope, nsIVariant* value,
+                       JS::MutableHandle<JS::Value> _retval);
+  nsresult JSToVariant(JSContext* ctx, JS::Handle<JS::Value> value,
+                       nsIVariant** _retval);
+
+  /**
+   * Create a sandbox for evaluating code in isolation using
+   * evalInSandboxObject().
+   *
+   * @param cx A context to use when creating the sandbox object.
+   * @param principal The principal (or NULL to use the null principal)
+   *                  to use when evaluating code in this sandbox.
+   */
+  nsresult CreateSandbox(JSContext* cx, nsIPrincipal* principal,
+                         JSObject** _retval);
+
+  /**
+   * Evaluate script in a sandbox, completely isolated from all
+   * other running scripts.
+   *
+   * @param source The source of the script to evaluate.
+   * @param filename The filename of the script. May be null.
+   * @param cx The context to use when setting up the evaluation of
+   *           the script. The actual evaluation will happen on a new
+   *           temporary context.
+   * @param sandbox The sandbox object to evaluate the script in.
+   * @return The result of the evaluation as a jsval. If the caller
+   *         intends to use the return value from this call the caller
+   *         is responsible for rooting the jsval before making a call
+   *         to this method.
+   */
+  nsresult EvalInSandboxObject(const nsAString& source, const char* filename,
+                               JSContext* cx, JSObject* sandboxArg,
+                               JS::MutableHandle<JS::Value> rval);
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIXPConnect, NS_IXPCONNECT_IID)
+
+#endif  // defined nsIXPConnect_h