Add multi-windows support (#12243)

Co-authored-by: bofeng.song <bofeng.song@chukong-inc.com>

native/cocos/platform/java/modules/SystemWindowManager.cpp

@@ -0,0 +1,89 @@
+/****************************************************************************
+ Copyright (c) 2021-2022 Xiamen Yaji Software Co., Ltd.
+
+ http://www.cocos.com
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated engine source code (the "Software"), a limited,
+ worldwide, royalty-free, non-assignable, revocable and non-exclusive license
+ to use Cocos Creator solely to develop games on your target platforms. You shall
+ not use Cocos Creator software for developing other software or tools that's
+ used for developing games. You are not granted to publish, distribute,
+ sublicense, and/or sell copies of Cocos Creator.
+
+ The software or tools in this License Agreement are licensed, not sold.
+ Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+****************************************************************************/
+
+#include "SystemWindowManager.h"
+#include "BasePlatform.h"
+#include "platform/java/modules/SystemWindow.h"
+
+namespace cc {
+
+SystemWindowManager::SystemWindowManager() = default;
+
+int SystemWindowManager::init() {
+    return 0;
+}
+
+void SystemWindowManager::processEvent(bool *quit) {
+}
+
+void SystemWindowManager::swapWindows() {
+}
+
+ISystemWindow *SystemWindowManager::createWindow(const ISystemWindowInfo &info) {
+    if (!info.externalHandle || !isExternalHandleExist(info.externalHandle)) {
+        ISystemWindow *window = BasePlatform::getPlatform()->createNativeWindow(_nextWindowId, info.externalHandle);
+        if (window) {
+            window->createWindow(info.title.c_str(), info.x, info.y, info.width, info.height, info.flags);
+            _windows[_nextWindowId] = std::shared_ptr<ISystemWindow>(window);
+            _nextWindowId++;
+        }
+        return window;
+    }
+    return getWindowFromANativeWindow(static_cast<ANativeWindow *>(info.externalHandle));
+}
+
+ISystemWindow *SystemWindowManager::getWindow(uint32_t windowId) const {
+    if (windowId == 0) {
+        return nullptr;
+    }
+
+    auto iter = _windows.find(windowId);
+    if (iter != _windows.end()) {
+        return iter->second.get();
+    }
+    return nullptr;
+}
+
+ISystemWindow *SystemWindowManager::getWindowFromANativeWindow(ANativeWindow *window) const {
+    if (!window) {
+        return nullptr;
+    }
+    for (const auto &pair : _windows) {
+        ISystemWindow *sysWindow = pair.second.get();
+        auto *nativeWindow = reinterpret_cast<ANativeWindow *>(sysWindow->getWindowHandle());
+        if (nativeWindow == window) {
+            return sysWindow;
+        }
+    }
+    return nullptr;
+}
+
+bool SystemWindowManager::isExternalHandleExist(void *externalHandle) const {
+    return std::any_of(_windows.begin(), _windows.end(), [externalHandle](const auto &pair) {
+        auto *handle = reinterpret_cast<void *>(pair.second->getWindowHandle());
+        return handle == externalHandle;
+    });
+}
+} // namespace cc