author Gaia Pushbot <release+gaiajson@mozilla.com>
Mon, 14 Oct 2013 09:55:26 -0700
changeset 164500 37e925e977cd1fec6a5b731c4e30b8a260877844
parent 164380 f6b879837822bac2c4f5988a0d5d04b88625d657
child 164631 5126b48adf91390db142ee55bc9c19cc1b9ae801
permissions -rw-r--r--
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump ======== https://hg.mozilla.org/integration/gaia-central/rev/4ef060ed5c40 Author: Eitan Isaacson <eitan@monotonous.org> Desc: Merge pull request #12766 from eeejay/bug-925164 Bug 925164 - Remove role and label from slider area. ======== https://hg.mozilla.org/integration/gaia-central/rev/3417ff371169 Author: Eitan Isaacson <eitan@monotonous.org> Desc: Bug 925164 - Remove role and label from slider area.

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=8 sw=4 et 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 mozilla_jsipc_JavaScriptShared_h__
#define mozilla_jsipc_JavaScriptShared_h__

#include "mozilla/dom/DOMTypes.h"
#include "mozilla/jsipc/PJavaScript.h"
#include "nsJSUtils.h"
#include "nsFrameMessageManager.h"

namespace mozilla {
namespace jsipc {

typedef uint64_t ObjectId;

class JavaScriptShared;

class CpowIdHolder : public CpowHolder
    CpowIdHolder(JavaScriptShared *js, const InfallibleTArray<CpowEntry> &cpows)
      : js_(js),

    bool ToObject(JSContext *cx, JSObject **objp);

    JavaScriptShared *js_;
    const InfallibleTArray<CpowEntry> &cpows_;

// Map ids -> JSObjects
class ObjectStore
    typedef js::DefaultHasher<ObjectId> TableKeyHasher;

    typedef js::HashMap<ObjectId, JS::Heap<JSObject *>, TableKeyHasher, js::SystemAllocPolicy> ObjectTable;


    bool init();
    void trace(JSTracer *trc);

    bool add(ObjectId id, JSObject *obj);
    JSObject *find(ObjectId id);
    void remove(ObjectId id);

    ObjectTable table_;

// Map JSObjects -> ids
class ObjectIdCache
    typedef js::PointerHasher<JSObject *, 3> Hasher;
    typedef js::HashMap<JSObject *, ObjectId, Hasher, js::SystemAllocPolicy> ObjectIdTable;


    bool init();
    void trace(JSTracer *trc);

    bool add(JSContext *cx, JSObject *obj, ObjectId id);
    ObjectId find(JSObject *obj);
    void remove(JSObject *obj);

    static void keyMarkCallback(JSTracer *trc, void *key, void *data);

    ObjectIdTable table_;

class JavaScriptShared
    bool init();

    static const uint32_t OBJECT_EXTRA_BITS  = 1;
    static const uint32_t OBJECT_IS_CALLABLE = (1 << 0);

    bool Unwrap(JSContext *cx, const InfallibleTArray<CpowEntry> &aCpows, JSObject **objp);
    bool Wrap(JSContext *cx, JS::HandleObject aObj, InfallibleTArray<CpowEntry> *outCpows);

    bool toVariant(JSContext *cx, JS::HandleValue from, JSVariant *to);
    bool toValue(JSContext *cx, const JSVariant &from, JS::MutableHandleValue to);
    bool fromDescriptor(JSContext *cx, JS::Handle<JSPropertyDescriptor> desc, PPropertyDescriptor *out);
    bool toDescriptor(JSContext *cx, const PPropertyDescriptor &in,
                      JS::MutableHandle<JSPropertyDescriptor> out);
    bool convertIdToGeckoString(JSContext *cx, JS::HandleId id, nsString *to);
    bool convertGeckoStringToId(JSContext *cx, const nsString &from, JS::MutableHandleId id);

    bool toValue(JSContext *cx, const JSVariant &from, jsval *to) {
        JS::RootedValue v(cx);
        if (!toValue(cx, from, &v))
            return false;
        *to = v;
        return true;

    virtual bool makeId(JSContext *cx, JSObject *obj, ObjectId *idp) = 0;
    virtual JSObject *unwrap(JSContext *cx, ObjectId id) = 0;

    bool unwrap(JSContext *cx, ObjectId id, JS::MutableHandle<JSObject*> objp) {
        if (!id) {
            return true;

        objp.set(unwrap(cx, id));
        return bool(objp.get());

    static void ConvertID(const nsID &from, JSIID *to);
    static void ConvertID(const JSIID &from, nsID *to);

    JSObject *findObject(uint32_t objId) {
        return objects_.find(objId);

    ObjectStore objects_;

// Use 47 at most, to be safe, since jsval privates are encoded as doubles.
static const uint64_t MAX_CPOW_IDS = (uint64_t(1) << 47) - 1;

} // namespace jsipc
} // namespace mozilla