Moves mash/wm into ash/mus

mash/wm/window_manager_application.cc

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "mash/wm/window_manager_application.h"
-
-#include <utility>
-
-#include "base/bind.h"
-#include "base/memory/ptr_util.h"
-#include "components/mus/common/event_matcher_util.h"
-#include "components/mus/public/cpp/window.h"
-#include "components/mus/public/interfaces/window_manager_factory.mojom.h"
-#include "mash/wm/accelerator_registrar_impl.h"
-#include "mash/wm/bridge/wm_globals_mus.h"
-#include "mash/wm/bridge/wm_lookup_mus.h"
-#include "mash/wm/root_window_controller.h"
-#include "mash/wm/root_windows_observer.h"
-#include "mash/wm/shelf_layout_impl.h"
-#include "mash/wm/user_window_controller_impl.h"
-#include "services/shell/public/cpp/connection.h"
-#include "services/shell/public/cpp/connector.h"
-#include "services/tracing/public/cpp/tracing_impl.h"
-#include "ui/events/event.h"
-#include "ui/events/mojo/input_events_type_converters.h"
-#include "ui/views/mus/aura_init.h"
-#include "ui/views/mus/screen_mus.h"
-
-namespace mash {
-namespace wm {
-
-WindowManagerApplication::WindowManagerApplication()
-    : connector_(nullptr), window_manager_factory_binding_(this) {}
-
-WindowManagerApplication::~WindowManagerApplication() {
-  // AcceleratorRegistrarImpl removes an observer in its destructor. Destroy
-  // it early on.
-  std::set<AcceleratorRegistrarImpl*> accelerator_registrars(
-      accelerator_registrars_);
-  for (AcceleratorRegistrarImpl* registrar : accelerator_registrars)
-    registrar->Destroy();
-
-  std::set<RootWindowController*> controllers(root_controllers_);
-  for (RootWindowController* controller : controllers)
-    controller->Destroy();
-}
-
-std::set<RootWindowController*> WindowManagerApplication::GetRootControllers() {
-  std::set<RootWindowController*> root_controllers;
-  for (RootWindowController* controller : root_controllers_) {
-    if (controller->root())
-      root_controllers.insert(controller);
-  }
-  return root_controllers;
-}
-
-void WindowManagerApplication::OnRootWindowControllerGotRoot(
-    RootWindowController* root_controller) {
-  if (globals_)
-    return;  // |root_controller| is the > 1 root, nothing to do.
-
-  if (connector_)
-    aura_init_.reset(new views::AuraInit(connector_, "mash_wm_resources.pak"));
-
-  globals_.reset(new WmGlobalsMus(root_controller->root()->window_tree()));
-  lookup_.reset(new WmLookupMus);
-}
-
-void WindowManagerApplication::OnRootWindowControllerDoneInit(
-    RootWindowController* root_controller) {
-  if (!screen_) {
-    std::unique_ptr<views::ScreenMus> screen(new views::ScreenMus(nullptr));
-    screen->Init(connector_);
-    screen_ = std::move(screen);
-  }
-
-  // TODO(msw): figure out if this should be per display, or global.
-  user_window_controller_->Initialize(root_controller);
-  for (auto& request : user_window_controller_requests_)
-    user_window_controller_bindings_.AddBinding(user_window_controller_.get(),
-                                                std::move(*request));
-  user_window_controller_requests_.clear();
-
-  // TODO(msw): figure out if this should be per display, or global.
-  shelf_layout_->Initialize(root_controller);
-  for (auto& request : shelf_layout_requests_)
-    shelf_layout_bindings_.AddBinding(shelf_layout_.get(), std::move(*request));
-  shelf_layout_requests_.clear();
-
-  FOR_EACH_OBSERVER(RootWindowsObserver, root_windows_observers_,
-                    OnRootWindowControllerAdded(root_controller));
-}
-
-void WindowManagerApplication::OnRootWindowDestroyed(
-    RootWindowController* root_controller) {
-  root_controllers_.erase(root_controller);
-  user_window_controller_.reset(nullptr);
-}
-
-void WindowManagerApplication::OnAccelerator(uint32_t id,
-                                             const ui::Event& event) {
-  for (auto* registrar : accelerator_registrars_) {
-    if (registrar->OwnsAccelerator(id)) {
-      registrar->ProcessAccelerator(id, mus::mojom::Event::From(event));
-      break;
-    }
-  }
-}
-
-void WindowManagerApplication::AddRootWindowsObserver(
-    RootWindowsObserver* observer) {
-  root_windows_observers_.AddObserver(observer);
-}
-
-void WindowManagerApplication::RemoveRootWindowsObserver(
-    RootWindowsObserver* observer) {
-  root_windows_observers_.RemoveObserver(observer);
-}
-
-void WindowManagerApplication::OnAcceleratorRegistrarDestroyed(
-    AcceleratorRegistrarImpl* registrar) {
-  accelerator_registrars_.erase(registrar);
-}
-
-void WindowManagerApplication::AddRootWindowController(
-    RootWindowController* root_window_controller) {
-  root_controllers_.insert(root_window_controller);
-}
-
-void WindowManagerApplication::Initialize(shell::Connector* connector,
-                                          const shell::Identity& identity,
-                                          uint32_t id) {
-  connector_ = connector;
-  if (connector) {
-    tracing_.Initialize(connector, identity.name());
-
-    mus::mojom::WindowManagerFactoryServicePtr wm_factory_service;
-    connector_->ConnectToInterface("mojo:mus", &wm_factory_service);
-    wm_factory_service->SetWindowManagerFactory(
-        window_manager_factory_binding_.CreateInterfacePtrAndBind());
-  }
-
-  shelf_layout_.reset(new ShelfLayoutImpl);
-  user_window_controller_.reset(new UserWindowControllerImpl());
-}
-
-bool WindowManagerApplication::AcceptConnection(shell::Connection* connection) {
-  connection->AddInterface<ash::mojom::ShelfLayout>(this);
-  connection->AddInterface<ash::mojom::UserWindowController>(this);
-  connection->AddInterface<mus::mojom::AcceleratorRegistrar>(this);
-  if (connection->GetRemoteIdentity().name() == "mojo:mash_session")
-    connection->GetInterface(&session_);
-  return true;
-}
-
-void WindowManagerApplication::Create(
-    shell::Connection* connection,
-    mojo::InterfaceRequest<ash::mojom::ShelfLayout> request) {
-  // TODO(msw): Handle multiple shelves (one per display).
-  if (!root_controllers_.empty() && (*root_controllers_.begin())->root()) {
-    shelf_layout_bindings_.AddBinding(shelf_layout_.get(), std::move(request));
-  } else {
-    shelf_layout_requests_.push_back(
-        base::WrapUnique(new mojo::InterfaceRequest<ash::mojom::ShelfLayout>(
-            std::move(request))));
-  }
-}
-
-void WindowManagerApplication::Create(
-    shell::Connection* connection,
-    mojo::InterfaceRequest<ash::mojom::UserWindowController> request) {
-  if (!root_controllers_.empty() && (*root_controllers_.begin())->root()) {
-    user_window_controller_bindings_.AddBinding(user_window_controller_.get(),
-                                                std::move(request));
-  } else {
-    user_window_controller_requests_.push_back(base::WrapUnique(
-        new mojo::InterfaceRequest<ash::mojom::UserWindowController>(
-            std::move(request))));
-  }
-}
-
-void WindowManagerApplication::Create(
-    shell::Connection* connection,
-    mojo::InterfaceRequest<mus::mojom::AcceleratorRegistrar> request) {
-  static int accelerator_registrar_count = 0;
-  if (accelerator_registrar_count == std::numeric_limits<int>::max()) {
-    // Restart from zero if we have reached the limit. It is technically
-    // possible to end up with multiple active registrars with the same
-    // namespace, but it is highly unlikely. In the event that multiple
-    // registrars have the same namespace, this new registrar will be unable to
-    // install accelerators.
-    accelerator_registrar_count = 0;
-  }
-  accelerator_registrars_.insert(new AcceleratorRegistrarImpl(
-      this, ++accelerator_registrar_count, std::move(request),
-      base::Bind(&WindowManagerApplication::OnAcceleratorRegistrarDestroyed,
-                 base::Unretained(this))));
-}
-
-void WindowManagerApplication::CreateWindowManager(
-    mus::mojom::DisplayPtr display,
-    mojo::InterfaceRequest<mus::mojom::WindowTreeClient> client_request) {
-  AddRootWindowController(RootWindowController::CreateFromDisplay(
-      this, std::move(display), std::move(client_request)));
-}
-
-}  // namespace wm
-}  // namespace mash