Add setRequestInterceptor to QWebEnginePage

Makes it possible to make page specific intercepts, and is at the same
time safer by running in the UI-thread.

[ChangeLog][QtWebEngineWidgets][QWebEnginePage] Added
setRequestInterceptor, similar to the same call on profile except
it operates on a per-page basis and on the UI-thread.

Change-Id: Id5a7173156c25d0f030f00b6ef314d283c7c8cdd
Reviewed-by: Jüri Valdmann <juri.valdmann@qt.io>

1 files changed, 18 insertions, 0 deletions

diff --git a/src/core/profile_adapter.cpp b/src/core/profile_adapter.cpp
index 57bf3e752..54afc185d 100644
--- a/src/core/profile_adapter.cpp
+++ b/src/core/profile_adapter.cpp
@@ -82,6 +82,7 @@ ProfileAdapter::ProfileAdapter(const QString &storageName):
     , m_persistentCookiesPolicy(AllowPersistentCookies)
     , m_visitedLinksPolicy(TrackVisitedLinksOnDisk)
     , m_httpCacheMaxSize(0)
+    , m_pageRequestInterceptors(0)
 {
     WebEngineContext::current()->addBrowserContext(this);
     // creation of profile requires webengine context
@@ -98,6 +99,7 @@ ProfileAdapter::~ProfileAdapter()
         m_profile->GetDownloadManager(m_profile.data())->Shutdown();
         m_downloadManagerDelegate.reset();
     }
+    Q_ASSERT(m_pageRequestInterceptors == 0);
 }
 
 void ProfileAdapter::setStorageName(const QString &storageName)
@@ -174,6 +176,22 @@ void ProfileAdapter::removeClient(ProfileAdapterClient *adapterClient)
     m_clients.removeOne(adapterClient);
 }
 
+void ProfileAdapter::addPageRequestInterceptor()
+{
+    ++m_pageRequestInterceptors;
+    if (m_profile->m_urlRequestContextGetter.get())
+        m_profile->m_profileIOData->updateRequestInterceptor();
+}
+
+void ProfileAdapter::removePageRequestInterceptor()
+{
+    Q_ASSERT(m_pageRequestInterceptors > 0);
+    --m_pageRequestInterceptors;
+    if (m_profile->m_urlRequestContextGetter.get())
+        m_profile->m_profileIOData->updateRequestInterceptor();
+}
+
+
 void ProfileAdapter::cancelDownload(quint32 downloadId)
 {
     downloadManagerDelegate()->cancelDownload(downloadId);