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// 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 "components/mus/public/cpp/event_matcher.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/root_window_controller.h"
#include "mash/wm/root_windows_observer.h"
#include "mash/wm/user_window_controller_impl.h"
#include "mojo/converters/input_events/input_events_type_converters.h"
#include "mojo/services/tracing/public/cpp/tracing_impl.h"
#include "mojo/shell/public/cpp/connection.h"
#include "mojo/shell/public/cpp/connector.h"
#include "ui/events/event.h"
#include "ui/mojo/init/ui_init.h"
#include "ui/views/mus/aura_init.h"
#include "ui/views/mus/display_converter.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 (ui_init_.get())
return;
ui_init_.reset(new ui::mojo::UIInit(
views::GetDisplaysFromWindow(root_controller->root())));
aura_init_.reset(new views::AuraInit(connector_, "mash_wm_resources.pak"));
}
void WindowManagerApplication::OnRootWindowControllerDoneInit(
RootWindowController* root_controller) {
// 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_binding_.AddBinding(user_window_controller_.get(),
std::move(*request));
user_window_controller_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::Initialize(mojo::Connector* connector,
const mojo::Identity& identity,
uint32_t id) {
connector_ = 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());
user_window_controller_.reset(new UserWindowControllerImpl());
}
bool WindowManagerApplication::AcceptConnection(mojo::Connection* connection) {
connection->AddInterface<mash::wm::mojom::UserWindowController>(this);
connection->AddInterface<mus::mojom::AcceleratorRegistrar>(this);
if (connection->GetRemoteIdentity().name() == "mojo:mash_session")
connection->GetInterface(&session_);
return true;
}
void WindowManagerApplication::ShellConnectionLost() {
_exit(1);
}
void WindowManagerApplication::Create(
mojo::Connection* connection,
mojo::InterfaceRequest<mash::wm::mojom::UserWindowController> request) {
if (!root_controllers_.empty() && (*root_controllers_.begin())->root()) {
user_window_controller_binding_.AddBinding(user_window_controller_.get(),
std::move(request));
} else {
user_window_controller_requests_.push_back(make_scoped_ptr(
new mojo::InterfaceRequest<mash::wm::mojom::UserWindowController>(
std::move(request))));
}
}
void WindowManagerApplication::Create(
mojo::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) {
root_controllers_.insert(RootWindowController::CreateFromDisplay(
this, std::move(display), std::move(client_request)));
}
} // namespace wm
} // namespace mash
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