gecko-dev/dom/base/nsContentPermissionHelper.h
2015-03-27 18:52:19 +00:00

150 lines
4.2 KiB
C++

/* 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 nsContentPermissionHelper_h
#define nsContentPermissionHelper_h
#include "nsIContentPermissionPrompt.h"
#include "nsTArray.h"
#include "nsIMutableArray.h"
#include "mozilla/dom/PContentPermissionRequestChild.h"
// Microsoft's API Name hackery sucks
// XXXbz Doing this in a header is a gigantic footgun. See
// https://bugzilla.mozilla.org/show_bug.cgi?id=932421#c3 for why.
#undef LoadImage
class nsPIDOMWindow;
class nsContentPermissionRequestProxy;
// Forward declare IPC::Principal here which is defined in
// PermissionMessageUtils.h. Include this file will transitively includes
// "windows.h" and it defines
// #define CreateEvent CreateEventW
// #define LoadImage LoadImageW
// That will mess up windows build.
namespace IPC {
class Principal;
}
namespace mozilla {
namespace dom {
class Element;
class PermissionRequest;
class ContentPermissionRequestParent;
class PContentPermissionRequestParent;
class ContentPermissionType : public nsIContentPermissionType
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSICONTENTPERMISSIONTYPE
ContentPermissionType(const nsACString& aType,
const nsACString& aAccess,
const nsTArray<nsString>& aOptions);
protected:
virtual ~ContentPermissionType();
nsCString mType;
nsCString mAccess;
nsTArray<nsString> mOptions;
};
class nsContentPermissionUtils
{
public:
static uint32_t
ConvertPermissionRequestToArray(nsTArray<PermissionRequest>& aSrcArray,
nsIMutableArray* aDesArray);
static uint32_t
ConvertArrayToPermissionRequest(nsIArray* aSrcArray,
nsTArray<PermissionRequest>& aDesArray);
static nsresult
CreatePermissionArray(const nsACString& aType,
const nsACString& aAccess,
const nsTArray<nsString>& aOptions,
nsIArray** aTypesArray);
static PContentPermissionRequestParent*
CreateContentPermissionRequestParent(const nsTArray<PermissionRequest>& aRequests,
Element* element,
const IPC::Principal& principal);
static nsresult
AskPermission(nsIContentPermissionRequest* aRequest, nsPIDOMWindow* aWindow);
};
} // namespace dom
} // namespace mozilla
class nsContentPermissionRequestProxy : public nsIContentPermissionRequest
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSICONTENTPERMISSIONREQUEST
nsContentPermissionRequestProxy();
nsresult Init(const nsTArray<mozilla::dom::PermissionRequest>& requests,
mozilla::dom::ContentPermissionRequestParent* parent);
void OnParentDestroyed();
private:
virtual ~nsContentPermissionRequestProxy();
// Non-owning pointer to the ContentPermissionRequestParent object which owns this proxy.
mozilla::dom::ContentPermissionRequestParent* mParent;
nsTArray<mozilla::dom::PermissionRequest> mPermissionRequests;
};
/**
* RemotePermissionRequest will send a prompt ipdl request to b2g process.
*/
class RemotePermissionRequest final : public nsISupports
, public mozilla::dom::PContentPermissionRequestChild
{
public:
NS_DECL_ISUPPORTS
RemotePermissionRequest(nsIContentPermissionRequest* aRequest,
nsPIDOMWindow* aWindow);
// It will be called when prompt dismissed.
virtual bool Recv__delete__(const bool &aAllow,
InfallibleTArray<PermissionChoice>&& aChoices) override;
void IPDLAddRef()
{
mIPCOpen = true;
AddRef();
}
void IPDLRelease()
{
mIPCOpen = false;
Release();
}
private:
virtual ~RemotePermissionRequest()
{
MOZ_ASSERT(!mIPCOpen, "Protocol must not be open when RemotePermissionRequest is destroyed.");
}
void DoAllow(JS::HandleValue aChoices);
void DoCancel();
nsCOMPtr<nsIContentPermissionRequest> mRequest;
nsCOMPtr<nsPIDOMWindow> mWindow;
bool mIPCOpen;
};
#endif // nsContentPermissionHelper_h