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+/*
+ * Copyright (c) 2017 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 <iostream>
+#include <algorithm>
+#include "applist.hpp"
+#include "../include/hmi-debug.h"
+
+using std::shared_ptr;
+using std::string;
+using std::vector;
+
+namespace wm
+{
+
+const static int kReserveClientSize = 100;
+const static int kReserveReqSize = 10;
+
+/**
+ * AppList Constructor.
+ *
+ * Reserve the container size to avoid re-allocating memory.
+ *
+ * @note Size should be changed according to the system.
+ * If the number of applications becomes over the size, re-allocating memory will happen.
+ */
+AppList::AppList()
+ : req_list(),
+ app2client(),
+ current_req(1)
+{
+ this->app2client.reserve(kReserveClientSize);
+ this->req_list.reserve(kReserveReqSize);
+}
+
+AppList::~AppList() {}
+
+// =================== Client Date container API ===================
+
+/**
+ * Add Client to the list
+ *
+ * Add Client to the list.
+ * The Client means application which has role, layer, surface
+ * This function should be called once for the app.
+ * Caller should take care not to be called more than once.
+ *
+ * @param string[in] Application id. This will be the key to withdraw the information.
+ * @param unsigned[in] Layer ID in which the application is
+ * @param unsigned[in] surface ID which the application has
+ * @param string[in] Role which means what behavior the application will do.
+ * @return None
+ * @attention This function should be called once for the app
+ * Caller should take care not to be called more than once.
+ */
+void AppList::addClient(const std::string &appid, unsigned layer, unsigned surface, const std::string &role)
+{
+ std::lock_guard<std::mutex> lock(this->mtx);
+ shared_ptr<WMClient> client = std::make_shared<WMClient>(appid, layer, surface, role);
+ this->app2client[appid] = client;
+ this->clientDump();
+}
+
+/**
+ * Remove WMClient from the list
+ *
+ * @param string[in] Application id. This will be the key to withdraw the information.
+ */
+void AppList::removeClient(const string &appid)
+{
+ std::lock_guard<std::mutex> lock(this->mtx);
+ this->app2client.erase(appid);
+ HMI_INFO("wm", "Remove client %s", appid.c_str());
+}
+
+/**
+ * Check this class stores the appid.
+ *
+ * @param string[in] Application id. This will be the key to withdraw the information.
+ * @return true if the class has the requested key(appid)
+ */
+bool AppList::contains(const string &appid) const
+{
+ auto result = this->app2client.find(appid);
+ return (this->app2client.end() != result) ? true : false;
+}
+
+/**
+ * Remove surface from client
+ *
+ * @param unsigned[in] surface id.
+ * @return None
+ */
+void AppList::removeSurface(unsigned surface){
+ // This function may be very slow
+ std::lock_guard<std::mutex> lock(this->mtx);
+ bool ret = false;
+ for (auto &x : this->app2client)
+ {
+ ret = x.second->removeSurfaceIfExist(surface);
+ if(ret){
+ HMI_DEBUG("wm", "remove surface %d from Client %s finish",
+ surface, x.second->appID().c_str());
+ break;
+ }
+ }
+
+}
+
+/**
+ * Get WMClient object.
+ *
+ * After get the WMClient object, caller can call the client method.
+ * Before call this function, caller must call "contains"
+ * to check the key is contained, otherwise, you have to take care of std::out_of_range.
+ *
+ * @param string[in] application id(key)
+ * @return WMClient object
+ * @attention Must call cantains to check appid is stored before this function.
+ */
+shared_ptr<WMClient> AppList::lookUpClient(const string &appid)
+{
+ return this->app2client.at(appid);
+}
+
+/**
+ * Count Client.
+ *
+ * Returns the number of client stored in the list.
+ *
+ * @param None
+ * @return The number of client
+ */
+int AppList::countClient() const
+{
+ return this->app2client.size();
+}
+
+/**
+ * Get AppID with surface and role.
+ *
+ * Returns AppID if found.
+ *
+ * @param unsigned[in] surfaceID
+ * @param string[in] role
+ * @param bool[in,out] AppID is found or not
+ * @return AppID
+ * @attention If AppID is not found, param found will be false.
+ */
+string AppList::getAppID(unsigned surface, const string& role, bool* found) const
+{
+ *found = false;
+ for (const auto &x : this->app2client)
+ {
+ if(x.second->surfaceID(role) == surface){
+ *found = true;
+ return x.second->appID();
+ }
+ }
+ return string("");
+}
+
+// =================== Request Date container API ===================
+
+/**
+ * Get current request number
+ *
+ * Request number is the numeric ID to designate the request.
+ * But returned request number from this function doesn't mean the request exists.
+ * This number is used as key to withdraw the WMRequest object.
+ *
+ * @param None
+ * @return current request number.
+ * @note request number is more than 0.
+ */
+unsigned AppList::currentRequestNumber() const
+{
+ return this->current_req;
+}
+
+/**
+ * Get request number
+ *
+ * Request number is the numeric ID to designate the request.
+ * But returned request number from this function doesn't mean the request exists.
+ * This number is used as key to withdraw the WMRequest object.
+ *
+ * @param None
+ * @return request number.
+ * @attention If returned value is 0, no request exists.
+ */
+unsigned AppList::getRequestNumber(const string &appid) const
+{
+ for (const auto &x : this->req_list)
+ {
+ // Since app will not request twice and more, comparing appid is enough?
+ if ((x.trigger.appid == appid))
+ {
+ return x.req_num;
+ }
+ }
+ return 0;
+}
+
+/**
+ * Add Request
+ *
+ * Request number is the numeric ID to designate the request.
+ * But returned request number from this function doesn't mean the request exists.
+ * This number is used as key to withdraw the WMRequest object.
+ *
+ * @param WMRequest[in] WMRequest object caller creates
+ * @return Request number
+ * @attention If the request number is different with curent request number,
+ * it means the previous request is not finished.
+ */
+unsigned AppList::addRequest(WMRequest req)
+{
+ std::lock_guard<std::mutex> lock(this->mtx);
+ if (this->req_list.size() == 0)
+ {
+ req.req_num = current_req;
+ }
+ else
+ {
+ HMI_SEQ_INFO(this->current_req, "add: %d", this->req_list.back().req_num + 1);
+ req.req_num = this->req_list.back().req_num + 1;
+ }
+ this->req_list.push_back(req);
+ return req.req_num;
+}
+
+/**
+ * Get trigger which the application requests
+ *
+ * WMTrigger contains which application requests what role and where to put(area) and task.
+ * This is used for input event to Window Policy Manager(state machine).
+ *
+ * @param unsigned[in] request number
+ * @param bool[in,out] Check request number of the parameter is valid.
+ * @return WMTrigger which associates with the request number
+ * @attention If the request number is not valid, parameter "found" is false
+ * and return value will be meaningless value.
+ * Caller can check the request parameter is valid.
+ */
+struct WMTrigger AppList::getRequest(unsigned req_num, bool *found)
+{
+ *found = false;
+ for (const auto &x : this->req_list)
+ {
+ if (req_num == x.req_num)
+ {
+ *found = true;
+ return x.trigger;
+ }
+ }
+ HMI_SEQ_ERROR(req_num, "Couldn't get request : %d", req_num);
+ return WMTrigger{"", "", "", Task::TASK_INVALID};
+}
+
+/**
+ * Get actions which the application requests
+ *
+ * WMAciton contains the information of state transition.
+ * In other words, it contains actions of Window Manager,
+ * which role should be put to the area.
+ *
+ * @param unsigned[in] request number
+ * @param bool[in,out] Check request number of the parameter is valid.
+ * @return WMTrigger which associates with the request number
+ * @attention If the request number is not valid, parameter "found" is false
+ * and return value will be no reference pointer.
+ * Caller must check the request parameter is valid.
+ */
+const vector<struct WMAction> &AppList::getActions(unsigned req_num, bool* found)
+{
+ *found = false;
+ for (auto &x : this->req_list)
+ {
+ if (req_num == x.req_num)
+ {
+ *found = true;
+ return x.sync_draw_req;
+ }
+ }
+ HMI_SEQ_ERROR(req_num, "Couldn't get action with the request : %d", req_num);
+}
+
+/**
+ * Set actions to the request.
+ *
+ * Add actions to the request.
+ * This function can be called many times, and actions increase.
+ * This function is used for decision of actions of Window Manager
+ * according to the result of Window Policy Manager.
+ *
+ * @param unsigned[in] request number
+ * @param WMAction[in] Action of Window Manager.
+ * @return WMError If request number is not valid, FAIL will be returned.
+ */
+WMError AppList::setAction(unsigned req_num, const struct WMAction &action)
+{
+ std::lock_guard<std::mutex> lock(this->mtx);
+ WMError result = WMError::FAIL;
+ for (auto &x : this->req_list)
+ {
+ if (req_num != x.req_num)
+ {
+ continue;
+ }
+ x.sync_draw_req.push_back(action);
+ result = WMError::SUCCESS;
+ break;
+ }
+ return result;
+}
+
+/**
+ * Note:
+ * @note This function set action with parameters.
+ * If visible is true, it means app should be visible, so enddraw_finished parameter should be false.
+ * otherwise (visible is false) app should be invisible. Then enddraw_finished param is set to true.
+ * This function doesn't support actions for focus yet.
+ */
+/**
+ * Set actions to the request.
+ *
+ * This function is overload function.
+ * The feature is same as other one.
+ *
+ * @param unsigned[in] request number
+ * @param string[in] application id
+ * @param string[in] role
+ * @param string[in] area
+ * @param Task[in] the role should be visible or not.
+ * @return WMError If request number is not valid, FAIL will be returned.
+ * @attention This function set action with parameters, then caller doesn't need to create WMAction object.
+ * If visible is true, it means app should be visible, so enddraw_finished parameter will be false.
+ * otherwise (visible is false) app should be invisible. Then enddraw_finished param is set to true.
+ * This function doesn't support actions for focus yet.
+ */
+WMError AppList::setAction(unsigned req_num, const string &appid, const string &role, const string &area, TaskVisible visible)
+{
+ std::lock_guard<std::mutex> lock(this->mtx);
+ WMError result = WMError::FAIL;
+ for (auto &x : req_list)
+ {
+ if (req_num != x.req_num)
+ {
+ continue;
+ }
+ // If visible task is not invisible, redraw is required -> true
+ bool edraw_f = (visible != TaskVisible::INVISIBLE) ? false : true;
+ WMAction action{appid, role, area, visible, edraw_f};
+
+ x.sync_draw_req.push_back(action);
+ result = WMError::SUCCESS;
+ break;
+ }
+ return result;
+}
+
+/**
+ * Set end_draw_finished param is true
+ *
+ * This function checks
+ * - req_num is equal to current request number
+ * - appid and role are equeal to the appid and role stored in action list
+ * If it is valid, set the action is finished.
+ *
+ * @param unsigned[in] request number
+ * @param string[in] application id
+ * @param string[in] role
+ * @return If the parameters are not valid in action list, returns false
+ */
+bool AppList::setEndDrawFinished(unsigned req_num, const string &appid, const string &role)
+{
+ std::lock_guard<std::mutex> lock(this->mtx);
+ bool result = false;
+ for (auto &x : req_list)
+ {
+ if (req_num < x.req_num)
+ {
+ break;
+ }
+ if (req_num == x.req_num)
+ {
+ for (auto &y : x.sync_draw_req)
+ {
+ if (y.appid == appid && y.role == role)
+ {
+ HMI_SEQ_INFO(req_num, "Role %s finish redraw", y.role.c_str());
+ y.end_draw_finished = true;
+ result = true;
+ }
+ }
+ }
+ }
+ this->reqDump();
+ return result;
+}
+
+/**
+ * Check all actions of the requested sequence is finished
+ *
+ * @param unsigned[in] request_number
+ * @return true if all action is set.
+ */
+bool AppList::endDrawFullfilled(unsigned req_num)
+{
+ bool result = false;
+ for (const auto &x : req_list)
+ {
+ if (req_num < x.req_num)
+ {
+ break;
+ }
+ if (req_num == x.req_num)
+ {
+ result = true;
+ for (const auto &y : x.sync_draw_req)
+ {
+ result &= y.end_draw_finished;
+ if (!result)
+ {
+ break;
+ }
+ }
+ }
+ }
+ return result;
+}
+
+/**
+ * Finish the request, then remove it.
+ *
+ * @param unsigned[in] request_number
+ * @return None
+ * @note Please call next after this function to receive or process next request.
+ */
+void AppList::removeRequest(unsigned req_num)
+{
+ std::lock_guard<std::mutex> lock(this->mtx);
+ this->req_list.erase(remove_if(this->req_list.begin(), this->req_list.end(),
+ [req_num](WMRequest x) {
+ return x.req_num == req_num;
+ }));
+}
+
+/**
+ * Move the current request to next
+ *
+ * @param None
+ * @return None
+ */
+void AppList::next()
+{
+ std::lock_guard<std::mutex> lock(this->mtx);
+ ++this->current_req;
+ if (0 == this->current_req)
+ {
+ this->current_req = 1;
+ }
+}
+
+/**
+ * Check the request exists is in request list
+ *
+ * @param None
+ * @return true if WMRequest exists in the request list
+ */
+bool AppList::haveRequest() const
+{
+ return !this->req_list.empty();
+}
+
+void AppList::clientDump()
+{
+ DUMP("======= client dump =====");
+ for (const auto &x : this->app2client)
+ {
+ const auto &y = x.second;
+ y->dumpInfo();
+ }
+ DUMP("======= client dump end=====");
+}
+
+void AppList::reqDump()
+{
+ DUMP("======= req dump =====");
+ DUMP("current request : %d", current_req);
+ for (const auto &x : req_list)
+ {
+ DUMP("requested : %d", x.req_num);
+ DUMP("Trigger : (APPID :%s, ROLE :%s, AREA :%s, TASK: %d)",
+ x.trigger.appid.c_str(),
+ x.trigger.role.c_str(),
+ x.trigger.area.c_str(),
+ x.trigger.task);
+
+ for (const auto &y : x.sync_draw_req)
+ {
+ DUMP(
+ "Action : (APPID :%s, ROLE :%s, AREA :%s, VISIBLE : %s, END_DRAW_FINISHED: %d)",
+ y.appid.c_str(),
+ y.role.c_str(),
+ y.area.c_str(),
+ (y.visible == TaskVisible::INVISIBLE) ? "invisible" : "visible",
+ y.end_draw_finished);
+ }
+ }
+ DUMP("======= req dump end =====");
+}
+} // namespace wm