gecko-dev/dom/html/nsBrowserElement.cpp

143 строки
3.8 KiB
C++

/* -*- 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/. */
#include "nsBrowserElement.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/BrowserElementBinding.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/ToJSValue.h"
#include "nsComponentManagerUtils.h"
#include "nsFrameLoader.h"
#include "nsIMozBrowserFrame.h"
#include "nsINode.h"
#include "nsIPrincipal.h"
#include "js/Wrapper.h"
using namespace mozilla::dom;
namespace mozilla {
bool nsBrowserElement::IsBrowserElementOrThrow(ErrorResult& aRv) {
if (mBrowserElementAPI) {
return true;
}
aRv.Throw(NS_ERROR_DOM_INVALID_NODE_TYPE_ERR);
return false;
}
void nsBrowserElement::InitBrowserElementAPI() {
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
NS_ENSURE_TRUE_VOID(frameLoader);
if (!frameLoader->OwnerIsMozBrowserFrame()) {
return;
}
if (!mBrowserElementAPI) {
mBrowserElementAPI =
do_CreateInstance("@mozilla.org/dom/browser-element-api;1");
if (NS_WARN_IF(!mBrowserElementAPI)) {
return;
}
}
mBrowserElementAPI->SetFrameLoader(frameLoader);
}
void nsBrowserElement::DestroyBrowserElementFrameScripts() {
if (!mBrowserElementAPI) {
return;
}
mBrowserElementAPI->DestroyFrameScripts();
}
void nsBrowserElement::SendMouseEvent(const nsAString& aType, uint32_t aX,
uint32_t aY, uint32_t aButton,
uint32_t aClickCount, uint32_t aModifiers,
ErrorResult& aRv) {
NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
nsresult rv = mBrowserElementAPI->SendMouseEvent(aType, aX, aY, aButton,
aClickCount, aModifiers);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
}
}
void nsBrowserElement::GoBack(ErrorResult& aRv) {
NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
nsresult rv = mBrowserElementAPI->GoBack();
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
}
}
void nsBrowserElement::GoForward(ErrorResult& aRv) {
NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
nsresult rv = mBrowserElementAPI->GoForward();
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
}
}
void nsBrowserElement::Reload(bool aHardReload, ErrorResult& aRv) {
NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
nsresult rv = mBrowserElementAPI->Reload(aHardReload);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
}
}
void nsBrowserElement::Stop(ErrorResult& aRv) {
NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
nsresult rv = mBrowserElementAPI->Stop();
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
}
}
already_AddRefed<Promise> nsBrowserElement::GetCanGoBack(ErrorResult& aRv) {
NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr);
RefPtr<Promise> p;
nsresult rv = mBrowserElementAPI->GetCanGoBack(getter_AddRefs(p));
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
return p.forget();
}
already_AddRefed<Promise> nsBrowserElement::GetCanGoForward(ErrorResult& aRv) {
NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr);
RefPtr<Promise> p;
nsresult rv = mBrowserElementAPI->GetCanGoForward(getter_AddRefs(p));
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
return p.forget();
}
} // namespace mozilla