blob: 9a9a3f556f6b705d35f5f5482cbd2289b76b776b [file] [log] [blame]
// 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 "ash/mus/window_manager.h"
#include <stdint.h>
#include <utility>
#include "ash/mus/accelerators/accelerator_handler.h"
#include "ash/mus/accelerators/accelerator_ids.h"
#include "ash/mus/app_list_presenter_mus.h"
#include "ash/mus/bridge/wm_lookup_mus.h"
#include "ash/mus/bridge/wm_root_window_controller_mus.h"
#include "ash/mus/bridge/wm_shell_mus.h"
#include "ash/mus/bridge/wm_window_mus.h"
#include "ash/mus/move_event_handler.h"
#include "ash/mus/non_client_frame_controller.h"
#include "ash/mus/property_util.h"
#include "ash/mus/root_window_controller.h"
#include "ash/mus/shadow_controller.h"
#include "ash/mus/shell_delegate_mus.h"
#include "ash/mus/window_manager_observer.h"
#include "ash/public/cpp/shell_window_ids.h"
#include "base/memory/ptr_util.h"
#include "services/service_manager/public/cpp/connector.h"
#include "services/ui/common/event_matcher_util.h"
#include "services/ui/common/types.h"
#include "services/ui/public/cpp/property_type_converters.h"
#include "services/ui/public/cpp/window.h"
#include "services/ui/public/cpp/window_property.h"
#include "services/ui/public/cpp/window_tree_client.h"
#include "services/ui/public/interfaces/constants.mojom.h"
#include "services/ui/public/interfaces/mus_constants.mojom.h"
#include "services/ui/public/interfaces/window_manager.mojom.h"
#include "ui/base/hit_test.h"
#include "ui/display/display_observer.h"
#include "ui/events/mojo/event.mojom.h"
#include "ui/views/mus/pointer_watcher_event_router.h"
#include "ui/views/mus/screen_mus.h"
namespace ash {
namespace mus {
WindowManager::WindowManager(service_manager::Connector* connector)
: connector_(connector) {}
WindowManager::~WindowManager() {
Shutdown();
}
void WindowManager::Init(
std::unique_ptr<ui::WindowTreeClient> window_tree_client,
const scoped_refptr<base::SequencedWorkerPool>& blocking_pool) {
DCHECK(!window_tree_client_);
window_tree_client_ = std::move(window_tree_client);
// |connector_| will be null in some tests.
if (connector_) {
connector_->ConnectToInterface(ui::mojom::kServiceName,
&display_controller_);
}
screen_ = base::MakeUnique<display::ScreenBase>();
display::Screen::SetScreenInstance(screen_.get());
pointer_watcher_event_router_.reset(
new views::PointerWatcherEventRouter(window_tree_client_.get()));
shadow_controller_.reset(new ShadowController(window_tree_client_.get()));
// The insets are roughly what is needed by CustomFrameView. The expectation
// is at some point we'll write our own NonClientFrameView and get the insets
// from it.
ui::mojom::FrameDecorationValuesPtr frame_decoration_values =
ui::mojom::FrameDecorationValues::New();
const gfx::Insets client_area_insets =
NonClientFrameController::GetPreferredClientAreaInsets();
frame_decoration_values->normal_client_area_insets = client_area_insets;
frame_decoration_values->maximized_client_area_insets = client_area_insets;
frame_decoration_values->max_title_bar_button_width =
NonClientFrameController::GetMaxTitleBarButtonWidth();
window_manager_client_->SetFrameDecorationValues(
std::move(frame_decoration_values));
shell_.reset(new WmShellMus(base::MakeUnique<ShellDelegateMus>(connector_),
this, pointer_watcher_event_router_.get()));
shell_->Initialize(blocking_pool);
lookup_.reset(new WmLookupMus);
// TODO: this should be called when logged in. See http://crbug.com/654606.
shell_->CreateShelf();
}
void WindowManager::SetScreenLocked(bool is_locked) {
// TODO: screen locked state needs to be persisted for newly added displays.
for (auto& root_window_controller : root_window_controllers_) {
WmWindowMus* non_lock_screen_containers_container =
root_window_controller->GetWindowByShellWindowId(
kShellWindowId_NonLockScreenContainersContainer);
non_lock_screen_containers_container->mus_window()->SetVisible(!is_locked);
}
}
ui::Window* WindowManager::NewTopLevelWindow(
std::map<std::string, std::vector<uint8_t>>* properties) {
RootWindowController* root_window_controller =
GetRootWindowControllerForNewTopLevelWindow(properties);
return root_window_controller->NewTopLevelWindow(properties);
}
std::set<RootWindowController*> WindowManager::GetRootWindowControllers() {
std::set<RootWindowController*> result;
for (auto& root_window_controller : root_window_controllers_)
result.insert(root_window_controller.get());
return result;
}
bool WindowManager::GetNextAcceleratorNamespaceId(uint16_t* id) {
if (accelerator_handlers_.size() == std::numeric_limits<uint16_t>::max())
return false;
while (accelerator_handlers_.count(next_accelerator_namespace_id_) > 0)
++next_accelerator_namespace_id_;
*id = next_accelerator_namespace_id_;
++next_accelerator_namespace_id_;
return true;
}
void WindowManager::AddAcceleratorHandler(uint16_t id_namespace,
AcceleratorHandler* handler) {
DCHECK_EQ(0u, accelerator_handlers_.count(id_namespace));
accelerator_handlers_[id_namespace] = handler;
}
void WindowManager::RemoveAcceleratorHandler(uint16_t id_namespace) {
accelerator_handlers_.erase(id_namespace);
}
void WindowManager::AddObserver(WindowManagerObserver* observer) {
observers_.AddObserver(observer);
}
void WindowManager::RemoveObserver(WindowManagerObserver* observer) {
observers_.RemoveObserver(observer);
}
display::mojom::DisplayController* WindowManager::GetDisplayController() {
return display_controller_ ? display_controller_.get() : nullptr;
}
RootWindowController* WindowManager::CreateRootWindowController(
ui::Window* window,
const display::Display& display) {
// CreateRootWindowController() means a new display is being added, so the
// DisplayList needs to be updated. Calling AddDisplay() results in
// notifying DisplayObservers. Ash code assumes when this happens there is
// a valid RootWindowController for the new display. Suspend notifying
// observers, add the Display, create the RootWindowController, and then
// notify DisplayObservers. Classic ash does this by making sure
// WindowTreeHostManager is added as a DisplayObserver early on.
std::unique_ptr<display::DisplayListObserverLock> display_lock =
screen_->display_list().SuspendObserverUpdates();
const bool is_first_display = screen_->display_list().displays().empty();
// TODO(sky): should be passed whether display is primary.
screen_->display_list().AddDisplay(
display, is_first_display ? display::DisplayList::Type::PRIMARY
: display::DisplayList::Type::NOT_PRIMARY);
std::unique_ptr<RootWindowController> root_window_controller_ptr(
new RootWindowController(this, window, display));
RootWindowController* root_window_controller =
root_window_controller_ptr.get();
root_window_controllers_.insert(std::move(root_window_controller_ptr));
// TODO: this should be called when logged in. See http://crbug.com/654606.
root_window_controller->wm_root_window_controller()->CreateShelf();
for (auto& observer : observers_)
observer.OnRootWindowControllerAdded(root_window_controller);
for (auto& observer : *screen_->display_list().observers())
observer.OnDisplayAdded(root_window_controller->display());
return root_window_controller;
}
void WindowManager::DestroyRootWindowController(
RootWindowController* root_window_controller) {
if (root_window_controllers_.size() > 1) {
DCHECK_NE(root_window_controller, GetPrimaryRootWindowController());
root_window_controller->wm_root_window_controller()->MoveWindowsTo(
WmWindowMus::Get(GetPrimaryRootWindowController()->root()));
}
ui::Window* root_window = root_window_controller->root();
auto it = FindRootWindowControllerByWindow(root_window);
DCHECK(it != root_window_controllers_.end());
(*it)->Shutdown();
// NOTE: classic ash deleted RootWindowController after a delay (DeleteSoon())
// this may need to change to mirror that.
root_window_controllers_.erase(it);
}
void WindowManager::Shutdown() {
if (!window_tree_client_)
return;
// Observers can rely on WmShell from the callback. So notify the observers
// before destroying it.
for (auto& observer : observers_)
observer.OnWindowTreeClientDestroyed();
// Primary RootWindowController must be destroyed last.
RootWindowController* primary_root_window_controller =
GetPrimaryRootWindowController();
std::set<RootWindowController*> secondary_root_window_controllers;
for (auto& root_window_controller_ptr : root_window_controllers_) {
if (root_window_controller_ptr.get() != primary_root_window_controller)
secondary_root_window_controllers.insert(
root_window_controller_ptr.get());
}
for (RootWindowController* root_window_controller :
secondary_root_window_controllers) {
DestroyRootWindowController(root_window_controller);
}
if (primary_root_window_controller)
DestroyRootWindowController(primary_root_window_controller);
DCHECK(root_window_controllers_.empty());
lookup_.reset();
shell_->Shutdown();
shell_.reset();
shadow_controller_.reset();
pointer_watcher_event_router_.reset();
window_tree_client_.reset();
window_manager_client_ = nullptr;
DCHECK_EQ(screen_.get(), display::Screen::GetScreen());
display::Screen::SetScreenInstance(nullptr);
}
WindowManager::RootWindowControllers::iterator
WindowManager::FindRootWindowControllerByWindow(ui::Window* window) {
for (auto it = root_window_controllers_.begin();
it != root_window_controllers_.end(); ++it) {
if ((*it)->root() == window)
return it;
}
return root_window_controllers_.end();
}
RootWindowController* WindowManager::GetPrimaryRootWindowController() {
return static_cast<WmRootWindowControllerMus*>(
WmShell::Get()->GetPrimaryRootWindowController())
->root_window_controller();
}
RootWindowController*
WindowManager::GetRootWindowControllerForNewTopLevelWindow(
std::map<std::string, std::vector<uint8_t>>* properties) {
// If a specific display was requested, use it.
const int64_t display_id = GetInitialDisplayId(*properties);
for (auto& root_window_controller_ptr : root_window_controllers_) {
if (root_window_controller_ptr->display().id() == display_id)
return root_window_controller_ptr.get();
}
return static_cast<WmRootWindowControllerMus*>(
WmShellMus::Get()
->GetRootWindowForNewWindows()
->GetRootWindowController())
->root_window_controller();
}
void WindowManager::OnEmbed(ui::Window* root) {
// WindowManager should never see this, instead OnWmNewDisplay() is called.
NOTREACHED();
}
void WindowManager::OnEmbedRootDestroyed(ui::Window* root) {
// WindowManager should never see this.
NOTREACHED();
}
void WindowManager::OnLostConnection(ui::WindowTreeClient* client) {
DCHECK_EQ(client, window_tree_client_.get());
Shutdown();
// TODO(sky): this case should trigger shutting down WindowManagerApplication
// too.
}
void WindowManager::OnPointerEventObserved(const ui::PointerEvent& event,
ui::Window* target) {
pointer_watcher_event_router_->OnPointerEventObserved(event, target);
}
void WindowManager::SetWindowManagerClient(ui::WindowManagerClient* client) {
window_manager_client_ = client;
}
bool WindowManager::OnWmSetBounds(ui::Window* window, gfx::Rect* bounds) {
// TODO(sky): this indirectly sets bounds, which is against what
// OnWmSetBounds() recommends doing. Remove that restriction, or fix this.
WmWindowMus::Get(window)->SetBounds(*bounds);
*bounds = window->bounds();
return true;
}
bool WindowManager::OnWmSetProperty(
ui::Window* window,
const std::string& name,
std::unique_ptr<std::vector<uint8_t>>* new_data) {
// TODO(sky): constrain this to set of keys we know about, and allowed values.
return name == ui::mojom::WindowManager::kShowState_Property ||
name == ui::mojom::WindowManager::kPreferredSize_Property ||
name == ui::mojom::WindowManager::kResizeBehavior_Property ||
name == ui::mojom::WindowManager::kShelfIconResourceId_Property ||
name == ui::mojom::WindowManager::kShelfItemType_Property ||
name == ui::mojom::WindowManager::kWindowAppIcon_Property ||
name == ui::mojom::WindowManager::kWindowTitle_Property;
}
ui::Window* WindowManager::OnWmCreateTopLevelWindow(
std::map<std::string, std::vector<uint8_t>>* properties) {
return NewTopLevelWindow(properties);
}
void WindowManager::OnWmClientJankinessChanged(
const std::set<ui::Window*>& client_windows,
bool janky) {
for (auto* window : client_windows)
SetWindowIsJanky(window, janky);
}
void WindowManager::OnWmNewDisplay(ui::Window* window,
const display::Display& display) {
CreateRootWindowController(window, display);
}
void WindowManager::OnWmDisplayRemoved(ui::Window* window) {
auto iter = FindRootWindowControllerByWindow(window);
DCHECK(iter != root_window_controllers_.end());
DestroyRootWindowController(iter->get());
}
void WindowManager::OnWmDisplayModified(const display::Display& display) {
for (auto& controller : root_window_controllers_) {
if (controller->display().id() == display.id()) {
controller->SetDisplay(display);
// The root window will be resized by the window server.
return;
}
}
NOTREACHED();
}
void WindowManager::OnWmPerformMoveLoop(
ui::Window* window,
ui::mojom::MoveLoopSource source,
const gfx::Point& cursor_location,
const base::Callback<void(bool)>& on_done) {
WmWindowMus* child_window = WmWindowMus::Get(window);
MoveEventHandler* handler = MoveEventHandler::GetForWindow(child_window);
if (!handler) {
on_done.Run(false);
return;
}
DCHECK(!handler->IsDragInProgress());
aura::client::WindowMoveSource aura_source =
source == ui::mojom::MoveLoopSource::MOUSE
? aura::client::WINDOW_MOVE_SOURCE_MOUSE
: aura::client::WINDOW_MOVE_SOURCE_TOUCH;
handler->AttemptToStartDrag(cursor_location, HTCAPTION, aura_source, on_done);
}
void WindowManager::OnWmCancelMoveLoop(ui::Window* window) {
WmWindowMus* child_window = WmWindowMus::Get(window);
MoveEventHandler* handler = MoveEventHandler::GetForWindow(child_window);
if (handler)
handler->RevertDrag();
}
ui::mojom::EventResult WindowManager::OnAccelerator(uint32_t id,
const ui::Event& event) {
auto iter = accelerator_handlers_.find(GetAcceleratorNamespaceId(id));
if (iter == accelerator_handlers_.end())
return ui::mojom::EventResult::HANDLED;
return iter->second->OnAccelerator(id, event);
}
} // namespace mus
} // namespace ash