зеркало из https://github.com/mozilla/gecko-dev.git
143 строки
3.8 KiB
C++
143 строки
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsBrowserElement.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/dom/BrowserElementBinding.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/ScriptSettings.h"
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#include "mozilla/dom/ToJSValue.h"
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#include "nsComponentManagerUtils.h"
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#include "nsFrameLoader.h"
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#include "nsIMozBrowserFrame.h"
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#include "nsINode.h"
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#include "nsIPrincipal.h"
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#include "js/Wrapper.h"
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using namespace mozilla::dom;
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namespace mozilla {
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bool nsBrowserElement::IsBrowserElementOrThrow(ErrorResult& aRv) {
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if (mBrowserElementAPI) {
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return true;
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}
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aRv.Throw(NS_ERROR_DOM_INVALID_NODE_TYPE_ERR);
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return false;
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}
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void nsBrowserElement::InitBrowserElementAPI() {
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RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
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NS_ENSURE_TRUE_VOID(frameLoader);
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if (!frameLoader->OwnerIsMozBrowserFrame()) {
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return;
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}
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if (!mBrowserElementAPI) {
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mBrowserElementAPI =
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do_CreateInstance("@mozilla.org/dom/browser-element-api;1");
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if (NS_WARN_IF(!mBrowserElementAPI)) {
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return;
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}
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}
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mBrowserElementAPI->SetFrameLoader(frameLoader);
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}
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void nsBrowserElement::DestroyBrowserElementFrameScripts() {
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if (!mBrowserElementAPI) {
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return;
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}
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mBrowserElementAPI->DestroyFrameScripts();
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}
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void nsBrowserElement::SendMouseEvent(const nsAString& aType, uint32_t aX,
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uint32_t aY, uint32_t aButton,
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uint32_t aClickCount, uint32_t aModifiers,
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ErrorResult& aRv) {
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NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
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nsresult rv = mBrowserElementAPI->SendMouseEvent(aType, aX, aY, aButton,
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aClickCount, aModifiers);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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}
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}
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void nsBrowserElement::GoBack(ErrorResult& aRv) {
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NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
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nsresult rv = mBrowserElementAPI->GoBack();
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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}
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}
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void nsBrowserElement::GoForward(ErrorResult& aRv) {
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NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
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nsresult rv = mBrowserElementAPI->GoForward();
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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}
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}
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void nsBrowserElement::Reload(bool aHardReload, ErrorResult& aRv) {
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NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
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nsresult rv = mBrowserElementAPI->Reload(aHardReload);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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}
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}
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void nsBrowserElement::Stop(ErrorResult& aRv) {
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NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv));
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nsresult rv = mBrowserElementAPI->Stop();
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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}
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}
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already_AddRefed<Promise> nsBrowserElement::GetCanGoBack(ErrorResult& aRv) {
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NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr);
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RefPtr<Promise> p;
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nsresult rv = mBrowserElementAPI->GetCanGoBack(getter_AddRefs(p));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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return nullptr;
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}
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return p.forget();
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}
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already_AddRefed<Promise> nsBrowserElement::GetCanGoForward(ErrorResult& aRv) {
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NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr);
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RefPtr<Promise> p;
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nsresult rv = mBrowserElementAPI->GetCanGoForward(getter_AddRefs(p));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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return nullptr;
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}
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return p.forget();
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}
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} // namespace mozilla
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