1 files changed, 128 insertions, 0 deletions
diff --git a/src/components/application_manager/src/display_capabilities_builder.cc b/src/components/application_manager/src/display_capabilities_builder.cc
new file mode 100644
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+++ b/src/components/application_manager/src/display_capabilities_builder.cc
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+/*
+ * Copyright (c) 2019, Ford Motor Company
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * Neither the name of the Ford Motor Company nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "application_manager/display_capabilities_builder.h"
+#include "application_manager/message_helper.h"
+#include "application_manager/smart_object_keys.h"
+namespace application_manager {
+
+CREATE_LOGGERPTR_GLOBAL(logger_, "DisplayCapabilitiesBuilder")
+
+const WindowID kMainWindowID = 0;
+
+DisplayCapabilitiesBuilder::DisplayCapabilitiesBuilder(Application& application)
+    : owner_(application) {
+  LOG4CXX_AUTO_TRACE(logger_);
+}
+
+void DisplayCapabilitiesBuilder::InitBuilder(
+    DisplayCapabilitiesBuilder::ResumeCallback resume_callback,
+    const smart_objects::SmartObject& windows_info) {
+  LOG4CXX_AUTO_TRACE(logger_);
+  sync_primitives::AutoLock lock(display_capabilities_lock_);
+  resume_callback_ = resume_callback;
+  window_ids_to_resume_.insert(kMainWindowID);
+  for (size_t i = 0; i < windows_info.length(); ++i) {
+    auto window_id = windows_info[i][strings::window_id].asInt();
+    LOG4CXX_DEBUG(logger_,
+                  "Inserting " << window_id << " to waiting container");
+    window_ids_to_resume_.insert(window_id);
+  }
+}
+
+void DisplayCapabilitiesBuilder::UpdateDisplayCapabilities(
+    const smart_objects::SmartObject& incoming_display_capabilities) {
+  LOG4CXX_AUTO_TRACE(logger_);
+  using namespace smart_objects;
+  sync_primitives::AutoLock lock(display_capabilities_lock_);
+
+  if (!display_capabilities_) {
+    display_capabilities_ = std::make_shared<SmartObject>(SmartType_Array);
+  }
+
+  // As per v6.0, only single display is supported
+  auto cur_window_caps =
+      (*display_capabilities_)[0][strings::window_capabilities];
+
+  const auto& inc_window_caps =
+      incoming_display_capabilities[0][strings::window_capabilities];
+
+  for (size_t i = 0; i < inc_window_caps.length(); ++i) {
+    const WindowID window_id =
+        inc_window_caps[i].keyExists(strings::window_id)
+            ? inc_window_caps[i][strings::window_id].asInt()
+            : kMainWindowID;
+    if (window_ids_to_resume_.end() != window_ids_to_resume_.find(window_id)) {
+      cur_window_caps[cur_window_caps.length()] = inc_window_caps[i];
+      LOG4CXX_DEBUG(logger_, "Stop waiting for: " << window_id);
+      window_ids_to_resume_.erase(window_id);
+    }
+  }
+
+  *display_capabilities_ = incoming_display_capabilities;
+  (*display_capabilities_)[0][strings::window_capabilities] = cur_window_caps;
+
+  if (window_ids_to_resume_.empty()) {
+    LOG4CXX_TRACE(logger_, "Invoking resume callback");
+    resume_callback_(owner_, *display_capabilities_);
+    display_capabilities_.reset();
+  }
+}  // namespace application_manager
+
+const smart_objects::SmartObjectSPtr
+DisplayCapabilitiesBuilder::display_capabilities() const {
+  LOG4CXX_AUTO_TRACE(logger_);
+  return display_capabilities_;
+}
+
+void DisplayCapabilitiesBuilder::ResetDisplayCapabilities() {
+  LOG4CXX_AUTO_TRACE(logger_);
+  sync_primitives::AutoLock lock(display_capabilities_lock_);
+  display_capabilities_.reset();
+}
+
+void DisplayCapabilitiesBuilder::StopWaitingForWindow(
+    const WindowID window_id) {
+  LOG4CXX_AUTO_TRACE(logger_);
+  sync_primitives::AutoLock lock(display_capabilities_lock_);
+  LOG4CXX_DEBUG(logger_,
+                "Window id " << window_id << " will be erased due to failure");
+  window_ids_to_resume_.erase(window_id);
+  if (window_ids_to_resume_.empty()) {
+    LOG4CXX_TRACE(logger_,
+                  window_id << " was the last window pending resumption. "
+                               "Invoking resume callback");
+    resume_callback_(owner_, *display_capabilities_);
+    display_capabilities_.reset();
+  }
+}
+}  // namespace application_manager