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Popups must share the parent context to avoid crashes on parent browser destruction (issue #2162)

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Marshall Greenblatt
2017-05-04 17:53:27 -04:00
parent 4a193051a9
commit 5b9fb7e4ec
17 changed files with 448 additions and 390 deletions
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35
libcef/browser/browser_context_impl.cc
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@@ -14,6 +14,7 @@
#include "libcef/browser/extensions/extension_system.h"
#include "libcef/browser/permissions/permission_manager.h"
#include "libcef/browser/prefs/browser_prefs.h"
#include "libcef/browser/request_context_impl.h"
#include "libcef/browser/ssl_host_state_delegate.h"
#include "libcef/browser/thread_util.h"
#include "libcef/common/cef_switches.h"
@@ -220,7 +221,7 @@ CefBrowserContextImpl::~CefBrowserContextImpl() {
CEF_REQUIRE_UIT();
// No CefRequestContextImpl should be referencing this object any longer.
DCHECK_EQ(request_context_count_, 0);
DCHECK(request_context_set_.empty());
// Unregister the context first to avoid re-entrancy during shutdown.
g_manager.Get().RemoveImpl(this, cache_path_);
@@ -324,21 +325,33 @@ void CefBrowserContextImpl::RemoveProxy(const CefBrowserContextProxy* proxy) {
visitedlink_listener_->RemoveListenerForContext(proxy);
}
void CefBrowserContextImpl::AddRequestContext() {
void CefBrowserContextImpl::AddCefRequestContext(
CefRequestContextImpl* context) {
CEF_REQUIRE_UIT();
request_context_count_++;
request_context_set_.insert(context);
}
void CefBrowserContextImpl::RemoveRequestContext() {
void CefBrowserContextImpl::RemoveCefRequestContext(
CefRequestContextImpl* context) {
CEF_REQUIRE_UIT();
request_context_count_--;
DCHECK_GE(request_context_count_, 0);
request_context_set_.erase(context);
// Delete non-global contexts when the reference count reaches zero.
if (request_context_count_ == 0 &&
this != CefContentBrowserClient::Get()->browser_context()) {
// Delete ourselves when the reference count reaches zero.
if (request_context_set_.empty())
delete this;
}
CefRequestContextImpl* CefBrowserContextImpl::GetCefRequestContext(
bool impl_only) const {
CEF_REQUIRE_UIT();
// First try to find a non-proxy RequestContext.
for (CefRequestContextImpl* impl : request_context_set_) {
if (!impl->GetHandler())
return impl;
}
if (impl_only)
return nullptr;
return *request_context_set_.begin();
}
// static
@@ -479,6 +492,10 @@ const PrefService* CefBrowserContextImpl::GetPrefs() const {
return pref_service_.get();
}
CefRequestContextImpl* CefBrowserContextImpl::GetCefRequestContext() const {
return GetCefRequestContext(false);
}
const CefRequestContextSettings& CefBrowserContextImpl::GetSettings() const {
return settings_;
}