зеркало из https://github.com/mozilla/gecko-dev.git
124 строки
4.3 KiB
C++
124 строки
4.3 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/CanonicalBrowsingContext.h"
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#include "mozilla/dom/BrowsingContextGroup.h"
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#include "mozilla/dom/WindowGlobalParent.h"
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namespace mozilla {
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namespace dom {
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extern mozilla::LazyLogModule gUserInteractionPRLog;
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#define USER_ACTIVATION_LOG(msg, ...) \
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MOZ_LOG(gUserInteractionPRLog, LogLevel::Debug, (msg, ##__VA_ARGS__))
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CanonicalBrowsingContext::CanonicalBrowsingContext(BrowsingContext* aParent,
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BrowsingContext* aOpener,
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const nsAString& aName,
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uint64_t aBrowsingContextId,
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uint64_t aProcessId,
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BrowsingContext::Type aType)
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: BrowsingContext(aParent, aOpener, aName, aBrowsingContextId, aType),
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mProcessId(aProcessId) {
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// You are only ever allowed to create CanonicalBrowsingContexts in the
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// parent process.
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MOZ_RELEASE_ASSERT(XRE_IsParentProcess());
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}
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/* static */ already_AddRefed<CanonicalBrowsingContext>
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CanonicalBrowsingContext::Get(uint64_t aId) {
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MOZ_RELEASE_ASSERT(XRE_IsParentProcess());
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return BrowsingContext::Get(aId).downcast<CanonicalBrowsingContext>();
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}
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/* static */ CanonicalBrowsingContext* CanonicalBrowsingContext::Cast(
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BrowsingContext* aContext) {
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MOZ_RELEASE_ASSERT(XRE_IsParentProcess());
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return static_cast<CanonicalBrowsingContext*>(aContext);
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}
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/* static */ const CanonicalBrowsingContext* CanonicalBrowsingContext::Cast(
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const BrowsingContext* aContext) {
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MOZ_RELEASE_ASSERT(XRE_IsParentProcess());
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return static_cast<const CanonicalBrowsingContext*>(aContext);
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}
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void CanonicalBrowsingContext::GetWindowGlobals(
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nsTArray<RefPtr<WindowGlobalParent>>& aWindows) {
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aWindows.SetCapacity(mWindowGlobals.Count());
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for (auto iter = mWindowGlobals.Iter(); !iter.Done(); iter.Next()) {
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aWindows.AppendElement(iter.Get()->GetKey());
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}
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}
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void CanonicalBrowsingContext::RegisterWindowGlobal(
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WindowGlobalParent* aGlobal) {
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MOZ_ASSERT(!mWindowGlobals.Contains(aGlobal), "Global already registered!");
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mWindowGlobals.PutEntry(aGlobal);
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}
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void CanonicalBrowsingContext::UnregisterWindowGlobal(
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WindowGlobalParent* aGlobal) {
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MOZ_ASSERT(mWindowGlobals.Contains(aGlobal), "Global not registered!");
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mWindowGlobals.RemoveEntry(aGlobal);
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// Our current window global should be in our mWindowGlobals set. If it's not
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// anymore, clear that reference.
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if (aGlobal == mCurrentWindowGlobal) {
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mCurrentWindowGlobal = nullptr;
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}
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}
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void CanonicalBrowsingContext::SetCurrentWindowGlobal(
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WindowGlobalParent* aGlobal) {
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MOZ_ASSERT(mWindowGlobals.Contains(aGlobal), "Global not registered!");
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// TODO: This should probably assert that the processes match.
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mCurrentWindowGlobal = aGlobal;
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}
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JSObject* CanonicalBrowsingContext::WrapObject(
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JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
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return CanonicalBrowsingContext_Binding::Wrap(aCx, this, aGivenProto);
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}
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void CanonicalBrowsingContext::NotifySetUserGestureActivationFromIPC(
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bool aIsUserGestureActivation) {
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if (!mCurrentWindowGlobal) {
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return;
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}
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if (aIsUserGestureActivation) {
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SetUserGestureActivation();
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} else {
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ResetUserGestureActivation();
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}
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USER_ACTIVATION_LOG("Chrome browsing context 0x%08" PRIx64
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" would notify other browsing contexts for updating "
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"user gesture activation flag.",
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Id());
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// XXX(alwu) : we need to sync the flag to other browsing contexts which are
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// not in the same child process where the flag was set. Will implement that
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// in bug1519229.
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}
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void CanonicalBrowsingContext::Traverse(
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nsCycleCollectionTraversalCallback& cb) {
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CanonicalBrowsingContext* tmp = this;
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindowGlobals);
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}
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void CanonicalBrowsingContext::Unlink() {
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CanonicalBrowsingContext* tmp = this;
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindowGlobals);
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}
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} // namespace dom
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} // namespace mozilla
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