--- /dev/null
+/*
+ * Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "anbox/application/database.h"
+#include "anbox/wm/multi_window_manager.h"
+#include "anbox/platform/base_platform.h"
+#include "anbox/bridge/android_api_stub.h"
+#include "anbox/logger.h"
+
+#include <algorithm>
+
+namespace anbox {
+namespace wm {
+MultiWindowManager::MultiWindowManager(const std::weak_ptr<platform::BasePlatform> &platform,
+ const std::shared_ptr<bridge::AndroidApiStub> &android_api_stub,
+ const std::shared_ptr<application::Database> &app_db)
+ : platform_(platform), android_api_stub_(android_api_stub), app_db_(app_db) {}
+
+MultiWindowManager::~MultiWindowManager() {}
+
+void MultiWindowManager::apply_window_state_update(const WindowState::List &updated,
+ const WindowState::List &removed) {
+ std::lock_guard<std::mutex> l(mutex_);
+
+ // Base on the update we get from the Android WindowManagerService we will
+ // create different window instances with the properties supplied. Incoming
+ // layer updates from SurfaceFlinger will be mapped later into those windows
+ // and eventually composited there via GLES (e.g. for popups, ..)
+
+ std::map<Task::Id, WindowState::List> task_updates;
+
+ for (const auto &window : updated) {
+ // Ignore all windows which are not part of the freeform task stack
+ if (window.stack() != Stack::Id::Freeform) continue;
+
+ // And also those which don't have a surface mapped at the moment
+ if (!window.has_surface()) continue;
+
+ // If we know that task already we first collect all window updates
+ // for it so we can apply all of them together.
+ auto w = windows_.find(window.task());
+ if (w != windows_.end()) {
+ auto t = task_updates.find(window.task());
+ if (t == task_updates.end())
+ task_updates.insert({window.task(), {window}});
+ else
+ task_updates[window.task()].push_back(window);
+ continue;
+ }
+
+ auto title = window.package_name();
+ auto app = app_db_->find_by_package(window.package_name());
+ if (app.valid())
+ title = app.name;
+
+ if (auto p = platform_.lock()) {
+ auto w = p->create_window(window.task(), window.frame(), title);
+ if (w) {
+ w->attach();
+ windows_.insert({window.task(), w});
+ } else {
+ // FIXME can we call this here safely or do we need to schedule the removal?
+ remove_task(window.task());
+ }
+ }
+ }
+
+ // Send updates we collected per task down to the corresponding window
+ // so that they can update themself.
+ for (const auto &u : task_updates) {
+ auto w = windows_.find(u.first);
+ if (w == windows_.end()) continue;
+
+ w->second->update_state(u.second);
+ }
+
+ // As final step we process all windows we need to remove as they
+ // got killed on the other side. We need to respect here that we
+ // also get removals for windows which are part of a task which is
+ // still in use by other windows.
+ for (const auto &window : removed) {
+ auto w = windows_.find(window.task());
+ if (w == windows_.end()) continue;
+
+ if (task_updates.find(window.task()) == task_updates.end()) {
+ auto platform_window = w->second;
+ platform_window->release();
+ windows_.erase(w);
+ }
+ }
+}
+
+std::shared_ptr<Window> MultiWindowManager::find_window_for_task(const Task::Id &task) {
+ std::lock_guard<std::mutex> l(mutex_);
+ for (const auto &w : windows_) {
+ if (w.second->task() == task) return w.second;
+ }
+ return nullptr;
+}
+
+void MultiWindowManager::resize_task(const Task::Id &task, const anbox::graphics::Rect &rect,
+ const std::int32_t &resize_mode) {
+ android_api_stub_->resize_task(task, rect, resize_mode);
+}
+
+void MultiWindowManager::set_focused_task(const Task::Id &task) {
+ android_api_stub_->set_focused_task(task);
+}
+
+void MultiWindowManager::remove_task(const Task::Id &task) {
+ android_api_stub_->remove_task(task);
+}
+} // namespace wm
+} // namespace anbox