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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/app_restore/arc_ghost_window_delegate.h"
#include "base/notreached.h"
#include "chrome/browser/ash/app_restore/arc_ghost_window_shell_surface.h"
#include "chrome/browser/ash/app_restore/arc_window_utils.h"
#include "chrome/browser/ash/arc/window_predictor/window_predictor_utils.h"
#include "chromeos/ui/base/window_state_type.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
namespace ash::full_restore {
namespace {
const int kNullWindowState = -1;
} // namespace
ArcGhostWindowDelegate::ArcGhostWindowDelegate(
exo::ClientControlledShellSurface* shell_surface,
int window_id,
const std::string& app_id,
int64_t display_id,
const gfx::Rect& bounds,
chromeos::WindowStateType window_state)
: window_id_(window_id),
app_id_(app_id),
bounds_(gfx::Rect(bounds)),
pending_close_(false),
window_state_(window_state),
shell_surface_(shell_surface) {
DCHECK(shell_surface);
observation_.Observe(ArcGhostWindowHandler::Get());
SetDisplayId(display_id);
}
ArcGhostWindowDelegate::~ArcGhostWindowDelegate() = default;
void ArcGhostWindowDelegate::OnGeometryChanged(const gfx::Rect& geometry) {}
void ArcGhostWindowDelegate::OnStateChanged(
chromeos::WindowStateType old_state_type,
chromeos::WindowStateType new_state) {
if (old_state_type == new_state)
return;
auto* window_state =
WindowState::Get(shell_surface_->GetWidget()->GetNativeWindow());
if (!window_state || !shell_surface_->host_window()->GetRootWindow())
return;
display::Display display;
const display::Screen* screen = display::Screen::GetScreen();
auto display_existed = screen->GetDisplayWithDisplayId(display_id_, &display);
DCHECK(display_existed);
switch (new_state) {
case chromeos::WindowStateType::kNormal:
case chromeos::WindowStateType::kDefault:
// Reset geometry for previous bounds.
shell_surface_->SetBounds(display_id_, bounds_);
shell_surface_->SetRestored();
break;
case chromeos::WindowStateType::kMinimized:
shell_surface_->SetMinimized();
break;
case chromeos::WindowStateType::kMaximized:
shell_surface_->SetMaximized();
// Update geometry for showing overlay as maximized bounds.
shell_surface_->SetBounds(display_id_, display.bounds());
break;
case chromeos::WindowStateType::kFullscreen:
// TODO(sstan): Adjust bounds like maximized state.
shell_surface_->SetFullscreen(true, display::kInvalidDisplayId);
break;
default:
NOTIMPLEMENTED();
break;
}
shell_surface_->OnSurfaceCommit();
window_state_ = new_state;
}
void ArcGhostWindowDelegate::OnBoundsChanged(
chromeos::WindowStateType current_state,
chromeos::WindowStateType requested_state,
int64_t display_id,
const gfx::Rect& bounds_in_screen,
bool is_resize,
int bounds_change,
bool is_adjusted_bounds) {
auto* window_state =
WindowState::Get(shell_surface_->GetWidget()->GetNativeWindow());
if (!window_state || !shell_surface_->host_window()->GetRootWindow())
return;
display::Display target_display;
const display::Screen* screen = display::Screen::GetScreen();
if (!screen->GetDisplayWithDisplayId(display_id, &target_display))
return;
if (display_id_ != display_id) {
if (!SetDisplayId(display_id))
return;
}
// Don't change the bounds in maximize/fullscreen/pinned state.
if (window_state->IsMaximizedOrFullscreenOrPinned() &&
requested_state == window_state->GetStateType()) {
return;
}
switch (requested_state) {
case chromeos::WindowStateType::kPrimarySnapped:
// TODO(b/279530665): Maybe sync to ARC.
shell_surface_->SetSnapPrimary(chromeos::kDefaultSnapRatio);
break;
case chromeos::WindowStateType::kSecondarySnapped:
// TODO(b/279530665): Maybe sync to ARC.
shell_surface_->SetSnapSecondary(chromeos::kDefaultSnapRatio);
break;
case chromeos::WindowStateType::kFloated:
// Ignore the unsupported request.
return;
default:
if (requested_state != window_state->GetStateType()) {
NOTREACHED();
}
}
shell_surface_->SetBounds(display_id, bounds_in_screen);
shell_surface_->OnSurfaceCommit();
bounds_ = gfx::Rect(bounds_in_screen);
UpdateWindowInfoToArc();
}
void ArcGhostWindowDelegate::OnDragStarted(int component) {}
void ArcGhostWindowDelegate::OnDragFinished(int x, int y, bool canceled) {}
void ArcGhostWindowDelegate::OnZoomLevelChanged(exo::ZoomChange zoom_change) {}
// ArcGhostWindowHandler::Observer
void ArcGhostWindowDelegate::OnAppInstanceConnected() {
// Update window info to ARC when app instance connected, since the previous
// window info may not be delivered.
UpdateWindowInfoToArc();
}
void ArcGhostWindowDelegate::OnWindowCloseRequested(int window_id) {
if (window_id != window_id_)
return;
pending_close_ = true;
UpdateWindowInfoToArc();
}
void ArcGhostWindowDelegate::OnAppStatesUpdate(const std::string& app_id,
bool ready,
bool need_fixup) {
if (app_id != app_id_)
return;
// Currently the type update is oneway. If an App need fixup, is not able to
// become another state before it's ready.
if (need_fixup) {
static_cast<ArcGhostWindowShellSurface*>(shell_surface_)
->SetWindowType(arc::GhostWindowType::kFixup);
}
}
bool ArcGhostWindowDelegate::SetDisplayId(int64_t display_id) {
std::optional<double> scale_factor = GetDisplayScaleFactor(display_id);
if (!scale_factor.has_value()) {
LOG(ERROR) << "Invalid display id for ARC Ghost Window";
scale_factor_ = 1.;
return false;
}
scale_factor_ = scale_factor.value();
display_id_ = display_id;
return true;
}
void ArcGhostWindowDelegate::UpdateWindowInfoToArc() {
ArcGhostWindowHandler::Get()->OnWindowInfoUpdated(
window_id_, pending_close_ ? kNullWindowState : (int)window_state_,
display_id_, gfx::ScaleToRoundedRect(bounds_, scale_factor_));
}
} // namespace ash::full_restore
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