gecko-dev/widget/android/GeckoProcessManager.h

63 строки
1.8 KiB
C++

/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* 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 GeckoProcessManager_h
#define GeckoProcessManager_h
#include "GeneratedJNINatives.h"
#include "WidgetUtils.h"
#include "nsAppShell.h"
#include "nsWindow.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/ContentProcessManager.h"
namespace mozilla {
class GeckoProcessManager final
: public java::GeckoProcessManager::Natives<GeckoProcessManager>
{
GeckoProcessManager() = delete;
static already_AddRefed<nsIWidget>
GetWidget(int64_t aContentId, int64_t aTabId)
{
using namespace dom;
MOZ_ASSERT(NS_IsMainThread());
ContentProcessManager* const cpm =
ContentProcessManager::GetSingleton();
NS_ENSURE_TRUE(cpm, nullptr);
RefPtr<TabParent> tab = cpm->GetTopLevelTabParentByProcessAndTabId(
ContentParentId(aContentId), TabId(aTabId));
NS_ENSURE_TRUE(tab, nullptr);
nsCOMPtr<nsPIDOMWindowOuter> domWin = tab->GetParentWindowOuter();
NS_ENSURE_TRUE(domWin, nullptr);
return WidgetUtils::DOMWindowToWidget(domWin);
}
public:
static jni::Object::LocalRef
GetEditableParent(int64_t aContentId, int64_t aTabId)
{
// On binder thread.
jni::Object::GlobalRef ret;
nsAppShell::SyncRunEvent([aContentId, aTabId, &ret] {
nsCOMPtr<nsIWidget> widget = GetWidget(aContentId, aTabId);
if (widget) {
ret = static_cast<nsWindow*>(widget.get())->GetEditableParent();
}
});
return ret;
}
};
} // namespace mozilla
#endif // GeckoProcessManager_h