check screen connection in display controller init

Signed-off-by: wangxinpeng <wangxinpeng4@huawei.com>
Change-Id: Ia480d042d4b2e90a013cab7ceb8772a9cd7d7579

dmserver/include/abstract_screen_controller.h

@@ -42,6 +42,7 @@ public:
     ~AbstractScreenController();
 
     void Init();
+    void ScreenConnectionInDisplayInit(sptr<AbstractScreenCallback> abstractScreenCallback);
     std::vector<ScreenId> GetAllScreenIds();
     sptr<AbstractScreen> GetAbstractScreen(ScreenId dmsScreenId) const;
     std::vector<ScreenId> GetShotScreenIds(std::vector<ScreenId>) const;

dmserver/src/abstract_display_controller.cpp

@@ -52,6 +52,7 @@ void AbstractDisplayController::Init(sptr<AbstractScreenController> abstractScre
     abstractScreenCallback_->onChange_
         = std::bind(&AbstractDisplayController::OnAbstractScreenChange, this, std::placeholders::_1,
         std::placeholders::_2);
+    abstractScreenController_->ScreenConnectionInDisplayInit(abstractScreenCallback_);
     abstractScreenController->RegisterAbstractScreenCallback(abstractScreenCallback_);
 
     // TODO: Active the code after "rsDisplayNode_->SetScreenId(rsScreenId)" is provided.

dmserver/src/abstract_screen_controller.cpp

@@ -234,6 +234,20 @@ void AbstractScreenController::OnRsScreenConnectionChange(ScreenId rsScreenId, S
     }
 }
 
+void AbstractScreenController::ScreenConnectionInDisplayInit(sptr<AbstractScreenCallback> abstractScreenCallback)
+{
+    std::lock_guard<std::recursive_mutex> lock(mutex_);
+    if (dmsScreenMap_.empty()) {
+        return;
+    }
+    for (auto& iter : dmsScreenMap_) {
+        if (iter.second != nullptr && abstractScreenCallback != nullptr) {
+            WLOGFI("dmsScreenId :%{public}" PRIu64"", iter.first);
+            abstractScreenCallback->onConnect_(iter.second);
+        }
+    }
+}
+
 void AbstractScreenController::ProcessScreenModeChanged(ScreenId rsScreenId)
 {
     WM_SCOPED_TRACE("dms:ProcessScreenModeChanged(%" PRIu64")", rsScreenId);