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// Copyright 2018 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 "components/exo/wm_helper_chromeos.h"
#include "components/exo/wm_helper.h"
#include "ash/public/cpp/shell_window_ids.h"
#include "ash/shell.h"
#include "ash/wm/tablet_mode/tablet_mode_controller.h"
#include "base/memory/singleton.h"
#include "ui/aura/client/drag_drop_delegate.h"
#include "ui/aura/client/focus_client.h"
#include "ui/base/dragdrop/drag_drop_types.h"
#include "ui/display/manager/display_configurator.h"
#include "ui/display/manager/display_manager.h"
#include "ui/display/types/display_snapshot.h"
#include "ui/wm/core/capture_controller.h"
#include "ui/wm/public/activation_client.h"
namespace exo {
namespace {
aura::Window* GetPrimaryRoot() {
return ash::Shell::Get()->GetPrimaryRootWindow();
}
// A property key to store whether IME should be blocked for the surface.
DEFINE_UI_CLASS_PROPERTY_KEY(bool, kImeBlockedKey, false)
} // namespace
////////////////////////////////////////////////////////////////////////////////
// WMHelperChromeOS, public:
WMHelperChromeOS::WMHelperChromeOS() : vsync_timing_manager_(this) {}
WMHelperChromeOS::~WMHelperChromeOS() {}
WMHelperChromeOS* WMHelperChromeOS::GetInstance() {
return static_cast<WMHelperChromeOS*>(WMHelper::GetInstance());
}
void WMHelperChromeOS::AddTabletModeObserver(
ash::TabletModeObserver* observer) {
ash::Shell::Get()->tablet_mode_controller()->AddObserver(observer);
}
void WMHelperChromeOS::RemoveTabletModeObserver(
ash::TabletModeObserver* observer) {
ash::Shell::Get()->tablet_mode_controller()->RemoveObserver(observer);
}
void WMHelperChromeOS::AddDisplayConfigurationObserver(
ash::WindowTreeHostManager::Observer* observer) {
ash::Shell::Get()->window_tree_host_manager()->AddObserver(observer);
}
void WMHelperChromeOS::RemoveDisplayConfigurationObserver(
ash::WindowTreeHostManager::Observer* observer) {
ash::Shell::Get()->window_tree_host_manager()->RemoveObserver(observer);
}
void WMHelperChromeOS::AddActivationObserver(
wm::ActivationChangeObserver* observer) {
ash::Shell::Get()->activation_client()->AddObserver(observer);
}
void WMHelperChromeOS::RemoveActivationObserver(
wm::ActivationChangeObserver* observer) {
ash::Shell::Get()->activation_client()->RemoveObserver(observer);
}
void WMHelperChromeOS::AddFocusObserver(
aura::client::FocusChangeObserver* observer) {
aura::client::GetFocusClient(GetPrimaryRoot())->AddObserver(observer);
}
void WMHelperChromeOS::RemoveFocusObserver(
aura::client::FocusChangeObserver* observer) {
aura::client::GetFocusClient(GetPrimaryRoot())->RemoveObserver(observer);
}
void WMHelperChromeOS::AddDragDropObserver(DragDropObserver* observer) {
drag_drop_observers_.AddObserver(observer);
}
void WMHelperChromeOS::RemoveDragDropObserver(DragDropObserver* observer) {
drag_drop_observers_.RemoveObserver(observer);
}
void WMHelperChromeOS::SetDragDropDelegate(aura::Window* window) {
aura::client::SetDragDropDelegate(window, this);
}
void WMHelperChromeOS::ResetDragDropDelegate(aura::Window* window) {
aura::client::SetDragDropDelegate(window, nullptr);
}
VSyncTimingManager& WMHelperChromeOS::GetVSyncTimingManager() {
return vsync_timing_manager_;
}
void WMHelperChromeOS::OnDragEntered(const ui::DropTargetEvent& event) {
for (DragDropObserver& observer : drag_drop_observers_)
observer.OnDragEntered(event);
}
int WMHelperChromeOS::OnDragUpdated(const ui::DropTargetEvent& event) {
int valid_operation = ui::DragDropTypes::DRAG_NONE;
for (DragDropObserver& observer : drag_drop_observers_)
valid_operation = valid_operation | observer.OnDragUpdated(event);
return valid_operation;
}
void WMHelperChromeOS::OnDragExited() {
for (DragDropObserver& observer : drag_drop_observers_)
observer.OnDragExited();
}
int WMHelperChromeOS::OnPerformDrop(const ui::DropTargetEvent& event,
std::unique_ptr<ui::OSExchangeData> data) {
int valid_operation = ui::DragDropTypes::DRAG_NONE;
for (DragDropObserver& observer : drag_drop_observers_)
valid_operation = valid_operation | observer.OnPerformDrop(event);
return valid_operation;
}
void WMHelperChromeOS::AddVSyncParameterObserver(
mojo::PendingRemote<viz::mojom::VSyncParameterObserver> observer) {
GetPrimaryRoot()->layer()->GetCompositor()->AddVSyncParameterObserver(
std::move(observer));
}
const display::ManagedDisplayInfo& WMHelperChromeOS::GetDisplayInfo(
int64_t display_id) const {
return ash::Shell::Get()->display_manager()->GetDisplayInfo(display_id);
}
const std::vector<uint8_t>& WMHelperChromeOS::GetDisplayIdentificationData(
int64_t display_id) const {
const auto& displays =
ash::Shell::Get()->display_configurator()->cached_displays();
for (display::DisplaySnapshot* display : displays)
if (display->display_id() == display_id)
return display->edid();
static std::vector<uint8_t> no_data;
return no_data;
}
bool WMHelperChromeOS::GetActiveModeForDisplayId(
int64_t display_id,
display::ManagedDisplayMode* mode) const {
return ash::Shell::Get()->display_manager()->GetActiveModeForDisplayId(
display_id, mode);
}
aura::Window* WMHelperChromeOS::GetPrimaryDisplayContainer(int container_id) {
return ash::Shell::GetContainer(ash::Shell::GetPrimaryRootWindow(),
container_id);
}
aura::Window* WMHelperChromeOS::GetActiveWindow() const {
return ash::Shell::Get()->activation_client()->GetActiveWindow();
}
aura::Window* WMHelperChromeOS::GetFocusedWindow() const {
aura::client::FocusClient* focus_client =
aura::client::GetFocusClient(ash::Shell::GetPrimaryRootWindow());
return focus_client->GetFocusedWindow();
}
aura::Window* WMHelperChromeOS::GetRootWindowForNewWindows() const {
return ash::Shell::GetRootWindowForNewWindows();
}
aura::client::CursorClient* WMHelperChromeOS::GetCursorClient() {
return aura::client::GetCursorClient(ash::Shell::GetPrimaryRootWindow());
}
void WMHelperChromeOS::AddPreTargetHandler(ui::EventHandler* handler) {
ash::Shell::Get()->AddPreTargetHandler(handler);
}
void WMHelperChromeOS::PrependPreTargetHandler(ui::EventHandler* handler) {
ash::Shell::Get()->AddPreTargetHandler(
handler, ui::EventTarget::Priority::kAccessibility);
}
void WMHelperChromeOS::RemovePreTargetHandler(ui::EventHandler* handler) {
ash::Shell::Get()->RemovePreTargetHandler(handler);
}
void WMHelperChromeOS::AddPostTargetHandler(ui::EventHandler* handler) {
ash::Shell::Get()->AddPostTargetHandler(handler);
}
void WMHelperChromeOS::RemovePostTargetHandler(ui::EventHandler* handler) {
ash::Shell::Get()->RemovePostTargetHandler(handler);
}
bool WMHelperChromeOS::InTabletMode() const {
return ash::Shell::Get()->tablet_mode_controller()->InTabletMode();
}
double WMHelperChromeOS::GetDefaultDeviceScaleFactor() const {
if (!display::Display::HasInternalDisplay())
return 1.0;
if (display::Display::HasForceDeviceScaleFactor())
return display::Display::GetForcedDeviceScaleFactor();
display::DisplayManager* display_manager =
ash::Shell::Get()->display_manager();
const display::ManagedDisplayInfo& display_info =
display_manager->GetDisplayInfo(display::Display::InternalDisplayId());
DCHECK(display_info.display_modes().size());
return display_info.display_modes()[0].device_scale_factor();
}
void WMHelperChromeOS::SetImeBlocked(aura::Window* window, bool ime_blocked) {
DCHECK_EQ(window, window->GetToplevelWindow());
window->SetProperty(kImeBlockedKey, ime_blocked);
}
bool WMHelperChromeOS::IsImeBlocked(aura::Window* window) const {
return window && window->GetToplevelWindow()->GetProperty(kImeBlockedKey);
}
WMHelper::LifetimeManager* WMHelperChromeOS::GetLifetimeManager() {
return &lifetime_manager_;
}
aura::client::CaptureClient* WMHelperChromeOS::GetCaptureClient() {
return wm::CaptureController::Get();
}
} // namespace exo
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