diff options
Diffstat (limited to 'src/pm_wrapper.cpp')
| -rw-r--r-- | src/pm_wrapper.cpp | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/src/pm_wrapper.cpp b/src/pm_wrapper.cpp new file mode 100644 index 0000000..1454bf9 --- /dev/null +++ b/src/pm_wrapper.cpp @@ -0,0 +1,261 @@ +/* + * Copyright (c) 2018 TOYOTA MOTOR CORPORATION + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "pm_wrapper.hpp" +#include "json_helper.hpp" +#include "hmi-debug.h" + +namespace wm +{ + +static PMWrapper *g_context; + +namespace +{ + +static void onStateTransitioned(json_object *json_out) +{ + g_context->updateStates(json_out); +} + +static void onError(json_object *json_out) +{ + HMI_DEBUG("wm", "error message from PolicyManager:%s", + json_object_get_string(json_out)); + + g_context->processError(); +} + +} // namespace + +PMWrapper::PMWrapper() {} + +int PMWrapper::initialize() +{ + int ret = 0; + + ret = this->pm.initialize(); + if (0 > ret) + { + HMI_ERROR("wm:pmw", "Faild to initialize PolicyManager"); + } + + g_context = this; + + return ret; +} + +void PMWrapper::registerCallback(StateTransitionHandler on_state_transitioned, + ErrorHandler on_error) +{ + this->on_state_transitioned = on_state_transitioned; + this->on_error = on_error; + + PolicyManager::CallbackTable my_callback; + my_callback.onStateTransitioned = onStateTransitioned; + my_callback.onError = onError; + this->pm.registerCallback(my_callback); +} + +int PMWrapper::setInputEventData(Task task, std::string role, std::string area) +{ + const char* event; + if (Task::TASK_ALLOCATE == task) + { + event = "activate"; + } + else if (Task::TASK_RELEASE == task) + { + event = "deactivate"; + } + else + { + event = ""; + } + + json_object *json_in = json_object_new_object(); + json_object_object_add(json_in, "event", json_object_new_string(event)); + json_object_object_add(json_in, "role", json_object_new_string(role.c_str())); + json_object_object_add(json_in, "area", json_object_new_string(area.c_str())); + + int ret; + ret = this->pm.setInputEventData(json_in); + if (0 > ret) + { + HMI_ERROR("wm:pmw", "Faild to set input event data to PolicyManager"); + } + json_object_put(json_in); + + return ret; +} + +int PMWrapper::executeStateTransition() +{ + int ret; + ret = this->pm.executeStateTransition(); + if (0 > ret) + { + HMI_ERROR("wm:pmw", "Failed to execute state transition for PolicyManager"); + } + + return ret; +} + +void PMWrapper::undoState() +{ + this->pm.undoState(); + + this->crrlayer2rolestate = this->prvlayer2rolestate; +} + +void PMWrapper::updateStates(json_object *json_out) +{ + std::vector<WMAction> actions; + + HMI_DEBUG("wm", "json_out dump:%s", json_object_get_string(json_out)); + + this->createLayoutChangeAction(json_out, actions); + + this->on_state_transitioned(actions); +} + +void PMWrapper::createLayoutChangeAction(json_object *json_out, std::vector<WMAction> &actions) +{ + // Get displayed roles from previous layout + json_object *json_layers; + if (!json_object_object_get_ex(json_out, "layers", &json_layers)) + { + HMI_DEBUG("wm", "Not found key \"layers\""); + return; + } + + int len = json_object_array_length(json_layers); + HMI_DEBUG("wm", "json_layers len:%d", len); + + for (int i = 0; i < len; i++) + { + json_object *json_tmp = json_object_array_get_idx(json_layers, i); + + std::string layer_name = jh::getStringFromJson(json_tmp, "name"); + json_bool changed = jh::getBoolFromJson(json_tmp, "changed"); + HMI_DEBUG("wm", "layer:%s changed:%d", layer_name.c_str(), changed); + + if (changed) + { + json_object *json_areas; + if (!json_object_object_get_ex(json_tmp, "areas", &json_areas)) + { + HMI_DEBUG("wm", "Not found key \"areas\""); + return; + } + + int len = json_object_array_length(json_areas); + HMI_DEBUG("wm", "json_layers len:%d", len); + + // Store previous role state in this layer + this->prvlayer2rolestate[layer_name] = this->crrlayer2rolestate[layer_name]; + + RoleState crr_roles; + RoleState prv_roles = this->prvlayer2rolestate[layer_name]; + for (int j = 0; j < len; j++) + { + json_object *json_tmp2 = json_object_array_get_idx(json_areas, j); + + std::string area_name = jh::getStringFromJson(json_tmp2, "name"); + std::string role_name = jh::getStringFromJson(json_tmp2, "role"); + + crr_roles[role_name] = area_name; + + auto i_prv = prv_roles.find(role_name); + HMI_DEBUG("wm", "current role:%s area:%s", + role_name.c_str(), area_name.c_str()); + + // If current role does not exist in previous + if (prv_roles.end() == i_prv) + { + HMI_DEBUG("wm", "current role does not exist in previous"); + + // Set activate action + bool end_draw_finished = false; + WMAction act + { + "", + role_name, + area_name, + TaskVisible::VISIBLE, + end_draw_finished + }; + actions.push_back(act); + } + else + { + HMI_DEBUG("wm", "previous role:%s area:%s", + i_prv->first.c_str(), i_prv->second.c_str()); + + // If current role exists in previous and area is different with previous + if (area_name != i_prv->second) + { + HMI_DEBUG("wm", "current role exists in previous and area is different with previous"); + + // Set activate action + bool end_draw_finished = false; + WMAction act + { + "", + role_name, + area_name, + TaskVisible::VISIBLE, + end_draw_finished + }; + actions.push_back(act); + } + + // Remove role which exist in current list from previous list + prv_roles.erase(i_prv); + } + } + + // Deactivate roles which remains in previous list + // because these are not displayed in current layout + for (auto i_prv : prv_roles) + { + HMI_DEBUG("wm", "Deactivate role:%s", i_prv.first.c_str()); + + // Set deactivate action + bool end_draw_finished = true; + WMAction act + { + "", + i_prv.first, + "", + TaskVisible::INVISIBLE, + end_draw_finished + }; + actions.push_back(act); + } + + // Update previous role list + this->crrlayer2rolestate[layer_name] = crr_roles; + } + } +} + +void PMWrapper::processError() +{ + this->on_error(); +} + +} // namespace wm |