/* -*- 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/Services.h" #include "mozilla/dom/BrowserElementBinding.h" #include "mozilla/dom/BrowserElementAudioChannel.h" #include "mozilla/dom/DOMRequest.h" #include "mozilla/dom/ScriptSettings.h" #include "mozilla/dom/ToJSValue.h" #include "AudioChannelService.h" #include "mozIApplication.h" #include "nsComponentManagerUtils.h" #include "nsFrameLoader.h" #include "nsIAppsService.h" #include "nsIDOMDOMRequest.h" #include "nsIDOMElement.h" #include "nsIMozBrowserFrame.h" #include "nsINode.h" #include "nsIPrincipal.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() { bool isMozBrowserOrApp; nsCOMPtr<nsIFrameLoader> frameLoader = GetFrameLoader(); NS_ENSURE_TRUE_VOID(frameLoader); nsresult rv = frameLoader->GetOwnerIsMozBrowserOrAppFrame(&isMozBrowserOrApp); NS_ENSURE_SUCCESS_VOID(rv); if (!isMozBrowserOrApp) { 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::SetVisible(bool aVisible, ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); nsresult rv = mBrowserElementAPI->SetVisible(aVisible); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); } } already_AddRefed<DOMRequest> nsBrowserElement::GetVisible(ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsresult rv = mBrowserElementAPI->GetVisible(getter_AddRefs(req)); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return nullptr; } return req.forget().downcast<DOMRequest>(); } void nsBrowserElement::SetActive(bool aVisible, ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); nsresult rv = mBrowserElementAPI->SetActive(aVisible); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); } } bool nsBrowserElement::GetActive(ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), false); bool isActive; nsresult rv = mBrowserElementAPI->GetActive(&isActive); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return false; } return isActive; } 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::SendTouchEvent(const nsAString& aType, const Sequence<uint32_t>& aIdentifiers, const Sequence<int32_t>& aXs, const Sequence<int32_t>& aYs, const Sequence<uint32_t>& aRxs, const Sequence<uint32_t>& aRys, const Sequence<float>& aRotationAngles, const Sequence<float>& aForces, uint32_t aCount, uint32_t aModifiers, ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); if (aIdentifiers.Length() != aCount || aXs.Length() != aCount || aYs.Length() != aCount || aRxs.Length() != aCount || aRys.Length() != aCount || aRotationAngles.Length() != aCount || aForces.Length() != aCount) { aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR); return; } nsresult rv = mBrowserElementAPI->SendTouchEvent(aType, aIdentifiers.Elements(), aXs.Elements(), aYs.Elements(), aRxs.Elements(), aRys.Elements(), aRotationAngles.Elements(), aForces.Elements(), aCount, 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<DOMRequest> nsBrowserElement::Download(const nsAString& aUrl, const BrowserElementDownloadOptions& aOptions, ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsCOMPtr<nsIXPConnectWrappedJS> wrappedObj = do_QueryInterface(mBrowserElementAPI); MOZ_ASSERT(wrappedObj, "Failed to get wrapped JS from XPCOM component."); AutoJSAPI jsapi; if (!jsapi.Init(wrappedObj->GetJSObject())) { aRv.Throw(NS_ERROR_UNEXPECTED); return nullptr; } JSContext* cx = jsapi.cx(); JS::Rooted<JS::Value> options(cx); aRv.MightThrowJSException(); if (!ToJSValue(cx, aOptions, &options)) { aRv.StealExceptionFromJSContext(cx); return nullptr; } nsresult rv = mBrowserElementAPI->Download(aUrl, options, getter_AddRefs(req)); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return nullptr; } return req.forget().downcast<DOMRequest>(); } already_AddRefed<DOMRequest> nsBrowserElement::PurgeHistory(ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsresult rv = mBrowserElementAPI->PurgeHistory(getter_AddRefs(req)); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return nullptr; } return req.forget().downcast<DOMRequest>(); } already_AddRefed<DOMRequest> nsBrowserElement::GetScreenshot(uint32_t aWidth, uint32_t aHeight, const nsAString& aMimeType, ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsresult rv = mBrowserElementAPI->GetScreenshot(aWidth, aHeight, aMimeType, getter_AddRefs(req)); if (NS_WARN_IF(NS_FAILED(rv))) { if (rv == NS_ERROR_INVALID_ARG) { aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR); } else { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); } return nullptr; } return req.forget().downcast<DOMRequest>(); } void nsBrowserElement::Zoom(float aZoom, ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); nsresult rv = mBrowserElementAPI->Zoom(aZoom); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); } } already_AddRefed<DOMRequest> nsBrowserElement::GetCanGoBack(ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsresult rv = mBrowserElementAPI->GetCanGoBack(getter_AddRefs(req)); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return nullptr; } return req.forget().downcast<DOMRequest>(); } already_AddRefed<DOMRequest> nsBrowserElement::GetCanGoForward(ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsresult rv = mBrowserElementAPI->GetCanGoForward(getter_AddRefs(req)); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return nullptr; } return req.forget().downcast<DOMRequest>(); } already_AddRefed<DOMRequest> nsBrowserElement::GetContentDimensions(ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsresult rv = mBrowserElementAPI->GetContentDimensions(getter_AddRefs(req)); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return nullptr; } return req.forget().downcast<DOMRequest>(); } void nsBrowserElement::FindAll(const nsAString& aSearchString, BrowserFindCaseSensitivity aCaseSensitivity, ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); uint32_t caseSensitivity; if (aCaseSensitivity == BrowserFindCaseSensitivity::Case_insensitive) { caseSensitivity = nsIBrowserElementAPI::FIND_CASE_INSENSITIVE; } else { caseSensitivity = nsIBrowserElementAPI::FIND_CASE_SENSITIVE; } nsresult rv = mBrowserElementAPI->FindAll(aSearchString, caseSensitivity); if (NS_FAILED(rv)) { aRv.Throw(rv); } } void nsBrowserElement::FindNext(BrowserFindDirection aDirection, ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); uint32_t direction; if (aDirection == BrowserFindDirection::Backward) { direction = nsIBrowserElementAPI::FIND_BACKWARD; } else { direction = nsIBrowserElementAPI::FIND_FORWARD; } nsresult rv = mBrowserElementAPI->FindNext(direction); if (NS_FAILED(rv)) { aRv.Throw(rv); } } void nsBrowserElement::ClearMatch(ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); nsresult rv = mBrowserElementAPI->ClearMatch(); if (NS_FAILED(rv)) { aRv.Throw(rv); } } void nsBrowserElement::AddNextPaintListener(BrowserElementNextPaintEventCallback& aListener, ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); CallbackObjectHolder<BrowserElementNextPaintEventCallback, nsIBrowserElementNextPaintListener> holder(&aListener); nsCOMPtr<nsIBrowserElementNextPaintListener> listener = holder.ToXPCOMCallback(); nsresult rv = mBrowserElementAPI->AddNextPaintListener(listener); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); } } void nsBrowserElement::RemoveNextPaintListener(BrowserElementNextPaintEventCallback& aListener, ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); CallbackObjectHolder<BrowserElementNextPaintEventCallback, nsIBrowserElementNextPaintListener> holder(&aListener); nsCOMPtr<nsIBrowserElementNextPaintListener> listener = holder.ToXPCOMCallback(); nsresult rv = mBrowserElementAPI->RemoveNextPaintListener(listener); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); } } already_AddRefed<DOMRequest> nsBrowserElement::SetInputMethodActive(bool aIsActive, ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsresult rv = mBrowserElementAPI->SetInputMethodActive(aIsActive, getter_AddRefs(req)); if (NS_WARN_IF(NS_FAILED(rv))) { if (rv == NS_ERROR_INVALID_ARG) { aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR); } else { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); } return nullptr; } return req.forget().downcast<DOMRequest>(); } void nsBrowserElement::GetAllowedAudioChannels( nsTArray<RefPtr<BrowserElementAudioChannel>>& aAudioChannels, ErrorResult& aRv) { aAudioChannels.Clear(); // If empty, it means that this is the first call of this method. if (mBrowserElementAudioChannels.IsEmpty()) { nsCOMPtr<nsIFrameLoader> frameLoader = GetFrameLoader(); if (NS_WARN_IF(!frameLoader)) { return; } bool isMozBrowserOrApp; aRv = frameLoader->GetOwnerIsMozBrowserOrAppFrame(&isMozBrowserOrApp); if (NS_WARN_IF(aRv.Failed())) { return; } if (!isMozBrowserOrApp) { return; } nsCOMPtr<nsIDOMElement> frameElement; aRv = frameLoader->GetOwnerElement(getter_AddRefs(frameElement)); if (NS_WARN_IF(aRv.Failed())) { return; } MOZ_ASSERT(frameElement); nsCOMPtr<nsIDOMDocument> doc; aRv = frameElement->GetOwnerDocument(getter_AddRefs(doc)); if (NS_WARN_IF(aRv.Failed())) { return; } MOZ_ASSERT(doc); nsCOMPtr<mozIDOMWindowProxy> win; aRv = doc->GetDefaultView(getter_AddRefs(win)); if (NS_WARN_IF(aRv.Failed())) { return; } MOZ_ASSERT(win); auto* window = nsPIDOMWindowOuter::From(win); nsPIDOMWindowInner* innerWindow = window->GetCurrentInnerWindow(); nsCOMPtr<nsIMozBrowserFrame> mozBrowserFrame = do_QueryInterface(frameElement); if (NS_WARN_IF(!mozBrowserFrame)) { aRv.Throw(NS_ERROR_FAILURE); return; } MOZ_LOG(AudioChannelService::GetAudioChannelLog(), LogLevel::Debug, ("nsBrowserElement, GetAllowedAudioChannels, this = %p\n", this)); GenerateAllowedAudioChannels(innerWindow, frameLoader, mBrowserElementAPI, mBrowserElementAudioChannels, aRv); if (NS_WARN_IF(aRv.Failed())) { return; } } aAudioChannels.AppendElements(mBrowserElementAudioChannels); } /* static */ void nsBrowserElement::GenerateAllowedAudioChannels( nsPIDOMWindowInner* aWindow, nsIFrameLoader* aFrameLoader, nsIBrowserElementAPI* aAPI, nsTArray<RefPtr<BrowserElementAudioChannel>>& aAudioChannels, ErrorResult& aRv) { MOZ_ASSERT(aAudioChannels.IsEmpty()); // Normal is always allowed. nsTArray<RefPtr<BrowserElementAudioChannel>> channels; RefPtr<BrowserElementAudioChannel> ac = BrowserElementAudioChannel::Create(aWindow, aFrameLoader, aAPI, AudioChannel::Normal, aRv); if (NS_WARN_IF(aRv.Failed())) { return; } channels.AppendElement(ac); nsCOMPtr<nsIDocument> doc = aWindow->GetExtantDoc(); if (NS_WARN_IF(!doc)) { aRv.Throw(NS_ERROR_FAILURE); return; } // Since we don't have permissions anymore let only chrome windows pick a // non-default channel if (nsContentUtils::IsChromeDoc(doc)) { const nsAttrValue::EnumTable* audioChannelTable = AudioChannelService::GetAudioChannelTable(); for (uint32_t i = 0; audioChannelTable && audioChannelTable[i].tag; ++i) { AudioChannel value = (AudioChannel)audioChannelTable[i].value; RefPtr<BrowserElementAudioChannel> ac = BrowserElementAudioChannel::Create(aWindow, aFrameLoader, aAPI, value, aRv); if (NS_WARN_IF(aRv.Failed())) { return; } channels.AppendElement(ac); } } aAudioChannels.SwapElements(channels); } already_AddRefed<DOMRequest> nsBrowserElement::GetMuted(ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsresult rv = mBrowserElementAPI->GetMuted(getter_AddRefs(req)); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return nullptr; } return req.forget().downcast<DOMRequest>(); } void nsBrowserElement::Mute(ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); nsresult rv = mBrowserElementAPI->Mute(); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); } } void nsBrowserElement::Unmute(ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); nsresult rv = mBrowserElementAPI->Unmute(); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); } } already_AddRefed<DOMRequest> nsBrowserElement::GetVolume(ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsresult rv = mBrowserElementAPI->GetVolume(getter_AddRefs(req)); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return nullptr; } return req.forget().downcast<DOMRequest>(); } void nsBrowserElement::SetVolume(float aVolume, ErrorResult& aRv) { NS_ENSURE_TRUE_VOID(IsBrowserElementOrThrow(aRv)); nsresult rv = mBrowserElementAPI->SetVolume(aVolume); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); } } already_AddRefed<DOMRequest> nsBrowserElement::ExecuteScript(const nsAString& aScript, const BrowserElementExecuteScriptOptions& aOptions, ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsCOMPtr<nsIXPConnectWrappedJS> wrappedObj = do_QueryInterface(mBrowserElementAPI); MOZ_ASSERT(wrappedObj, "Failed to get wrapped JS from XPCOM component."); AutoJSAPI jsapi; if (!jsapi.Init(wrappedObj->GetJSObject())) { aRv.Throw(NS_ERROR_UNEXPECTED); return nullptr; } JSContext* cx = jsapi.cx(); JS::Rooted<JS::Value> options(cx); aRv.MightThrowJSException(); if (!ToJSValue(cx, aOptions, &options)) { aRv.StealExceptionFromJSContext(cx); return nullptr; } nsresult rv = mBrowserElementAPI->ExecuteScript(aScript, options, getter_AddRefs(req)); if (NS_FAILED(rv)) { if (rv == NS_ERROR_INVALID_ARG) { aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR); } else { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); } return nullptr; } return req.forget().downcast<DOMRequest>(); } already_AddRefed<DOMRequest> nsBrowserElement::GetWebManifest(ErrorResult& aRv) { NS_ENSURE_TRUE(IsBrowserElementOrThrow(aRv), nullptr); nsCOMPtr<nsIDOMDOMRequest> req; nsresult rv = mBrowserElementAPI->GetWebManifest(getter_AddRefs(req)); if (NS_WARN_IF(NS_FAILED(rv))) { aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); return nullptr; } return req.forget().downcast<DOMRequest>(); } } // namespace mozilla