321 lines
7.6 KiB
C++
321 lines
7.6 KiB
C++
/*
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* MIT License
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* Copyright (c) 2021 _VIFEXTech
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "PageManager.h"
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#include "PM_Log.h"
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#include <algorithm>
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#define PM_EMPTY_PAGE_NAME "EMPTY_PAGE"
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/**
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* @brief Page manager constructor
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* @param factory: Pointer to the page factory
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* @retval None
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*/
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PageManager::PageManager(PageFactory* factory)
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: _Factory(factory)
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, _PagePrev(nullptr)
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, _PageCurrent(nullptr)
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, _RootDefaultStyle(nullptr)
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{
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memset(&_AnimState, 0, sizeof(_AnimState));
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SetGlobalLoadAnimType();
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}
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/**
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* @brief Page manager destructor
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* @param None
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* @retval None
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*/
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PageManager::~PageManager()
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{
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SetStackClear();
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}
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/**
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* @brief Search pages in the page pool
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* @param name: Page name
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* @retval A pointer to the base class of the page, or nullptr if not found
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*/
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PageBase* PageManager::FindPageInPool(const char* name)
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{
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for (auto iter : _PagePool)
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{
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if (strcmp(name, iter->_Name) == 0)
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{
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return iter;
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}
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}
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return nullptr;
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}
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/**
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* @brief Search pages in the page stack
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* @param name: Page name
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* @retval A pointer to the base class of the page, or nullptr if not found
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*/
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PageBase* PageManager::FindPageInStack(const char* name)
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{
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decltype(_PageStack) stk = _PageStack;
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while (!stk.empty())
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{
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PageBase* base = stk.top();
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if (strcmp(name, base->_Name) == 0)
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{
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return base;
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}
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stk.pop();
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}
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return nullptr;
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}
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/**
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* @brief Install the page, and register the page to the page pool
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* @param className: The class name of the page
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* @param appName: Page application name, no duplicates allowed
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* @retval Return true if successful
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*/
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bool PageManager::Install(const char* className, const char* appName)
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{
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if (_Factory == nullptr)
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{
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PM_LOG_ERROR("Factory was not registered, can't install page");
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return false;
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}
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if (appName == nullptr)
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{
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PM_LOG_WARN("appName has not set");
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appName = className;
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}
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if (FindPageInPool(appName) != nullptr)
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{
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PM_LOG_ERROR("Page(%s) was registered", appName);
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return false;
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}
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PageBase* base = _Factory->CreatePage(className);
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if (base == nullptr)
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{
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PM_LOG_ERROR("Factory has not %s", className);
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return false;
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}
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base->_root = nullptr;
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base->_ID = 0;
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base->_Manager = nullptr;
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base->_UserData = nullptr;
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memset(&base->priv, 0, sizeof(base->priv));
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PM_LOG_INFO("Install Page[class = %s, name = %s]", className, appName);
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bool retval = Register(base, appName);
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base->onCustomAttrConfig();
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return retval;
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}
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/**
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* @brief Uninstall page
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* @param appName: Page application name, no duplicates allowed
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* @retval Return true if the uninstallation is successful
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*/
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bool PageManager::Uninstall(const char* appName)
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{
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PM_LOG_INFO("Page(%s) uninstall...", appName);
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PageBase* base = FindPageInPool(appName);
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if (base == nullptr)
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{
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PM_LOG_ERROR("Page(%s) was not found", appName);
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return false;
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}
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if (!Unregister(appName))
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{
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PM_LOG_ERROR("Page(%s) unregister failed", appName);
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return false;
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}
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if (base->priv.IsCached)
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{
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PM_LOG_WARN("Page(%s) has cached, unloading...", appName);
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base->priv.State = PageBase::PAGE_STATE_UNLOAD;
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StateUpdate(base);
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}
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else
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{
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PM_LOG_INFO("Page(%s) has not cache", appName);
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}
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delete base;
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PM_LOG_INFO("Uninstall OK");
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return true;
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}
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/**
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* @brief Register the page to the page pool
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* @param name: Page application name, duplicate registration is not allowed
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* @retval Return true if the registration is successful
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*/
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bool PageManager::Register(PageBase* base, const char* name)
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{
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if (FindPageInPool(name) != nullptr)
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{
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PM_LOG_ERROR("Page(%s) was multi registered", name);
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return false;
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}
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base->_Manager = this;
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base->_Name = name;
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_PagePool.push_back(base);
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return true;
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}
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/**
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* @brief Log out the page from the page pool
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* @param name: Page application name
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* @retval Return true if the logout is successful
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*/
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bool PageManager::Unregister(const char* name)
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{
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PM_LOG_INFO("Page(%s) unregister...", name);
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PageBase* base = FindPageInStack(name);
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if (base != nullptr)
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{
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PM_LOG_ERROR("Page(%s) was in stack", name);
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return false;
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}
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base = FindPageInPool(name);
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if (base == nullptr)
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{
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PM_LOG_ERROR("Page(%s) was not found", name);
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return false;
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}
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auto iter = std::find(_PagePool.begin(), _PagePool.end(), base);
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if (iter == _PagePool.end())
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{
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PM_LOG_ERROR("Page(%s) was not found in PagePool", name);
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return false;
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}
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_PagePool.erase(iter);
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PM_LOG_INFO("Unregister OK");
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return true;
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}
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/**
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* @brief Get the top page of the page stack
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* @param None
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* @retval A pointer to the base class of the page
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*/
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PageBase* PageManager::GetStackTop()
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{
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return _PageStack.empty() ? nullptr : _PageStack.top();
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}
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/**
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* @brief Get the page below the top of the page stack
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* @param None
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* @retval A pointer to the base class of the page
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*/
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PageBase* PageManager::GetStackTopAfter()
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{
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PageBase* top = GetStackTop();
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if (top == nullptr)
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{
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return nullptr;
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}
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_PageStack.pop();
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PageBase* topAfter = GetStackTop();
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_PageStack.push(top);
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return topAfter;
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}
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/**
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* @brief Clear the page stack and end the life cycle of all pages in the page stack
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* @param keepBottom: Whether to keep the bottom page of the stack
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* @retval None
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*/
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void PageManager::SetStackClear(bool keepBottom)
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{
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while (1)
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{
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PageBase* top = GetStackTop();
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if (top == nullptr)
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{
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PM_LOG_INFO("Page stack is empty, breaking...");
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break;
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}
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PageBase* topAfter = GetStackTopAfter();
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if (topAfter == nullptr)
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{
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if (keepBottom)
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{
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_PagePrev = top;
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PM_LOG_INFO("Keep page stack bottom(%s), breaking...", top->_Name);
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break;
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}
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else
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{
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_PagePrev = nullptr;
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}
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}
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FourceUnload(top);
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_PageStack.pop();
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}
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PM_LOG_INFO("Stack clear done");
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}
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/**
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* @brief Get the name of the previous page
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* @param None
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* @retval The name of the previous page, if it does not exist, return PM_EMPTY_PAGE_NAME
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*/
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const char* PageManager::GetPagePrevName()
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{
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return _PagePrev ? _PagePrev->_Name : PM_EMPTY_PAGE_NAME;
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}
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