blob: 79080ad6554d22f441aac9e779d4c9cc42b3c484 [file] [log] [blame]
// 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 "ash/frame/snap_controller_impl.h"
#include "ash/utility/haptics_util.h"
#include "ash/wm/window_positioning_utils.h"
#include "ash/wm/window_state.h"
#include "ash/wm/wm_event.h"
#include "ash/wm/workspace/phantom_window_controller.h"
#include "ui/aura/window.h"
#include "ui/events/devices/haptic_touchpad_effects.h"
#include "ui/wm/core/coordinate_conversion.h"
namespace ash {
SnapControllerImpl::SnapControllerImpl() = default;
SnapControllerImpl::~SnapControllerImpl() = default;
bool SnapControllerImpl::CanSnap(aura::Window* window) {
return WindowState::Get(window)->CanSnap();
}
void SnapControllerImpl::ShowSnapPreview(aura::Window* window,
chromeos::SnapDirection snap,
bool allow_haptic_feedback) {
if (snap == chromeos::SnapDirection::kNone) {
phantom_window_controller_.reset();
return;
}
if (!phantom_window_controller_ ||
phantom_window_controller_->window() != window) {
phantom_window_controller_ =
std::make_unique<PhantomWindowController>(window);
}
const SnapViewType snap_type = snap == chromeos::SnapDirection::kPrimary
? SnapViewType::kPrimary
: SnapViewType::kSecondary;
gfx::Rect phantom_bounds_in_screen =
GetDefaultSnappedWindowBoundsInParent(window, snap_type);
::wm::ConvertRectToScreen(window->parent(), &phantom_bounds_in_screen);
const bool need_haptic_feedback =
allow_haptic_feedback &&
phantom_window_controller_->GetTargetWindowBounds() !=
phantom_bounds_in_screen;
phantom_window_controller_->Show(phantom_bounds_in_screen);
// Fire a haptic event if necessary.
if (need_haptic_feedback) {
haptics_util::PlayHapticTouchpadEffect(
ui::HapticTouchpadEffect::kSnap,
ui::HapticTouchpadEffectStrength::kMedium);
}
}
void SnapControllerImpl::CommitSnap(aura::Window* window,
chromeos::SnapDirection snap) {
phantom_window_controller_.reset();
if (snap == chromeos::SnapDirection::kNone)
return;
WindowState* window_state = WindowState::Get(window);
window_state->set_snap_action_source(
WindowSnapActionSource::kUseCaptionButtonToSnap);
const WMEvent snap_event(snap == chromeos::SnapDirection::kPrimary
? WM_EVENT_SNAP_PRIMARY
: WM_EVENT_SNAP_SECONDARY);
window_state->OnWMEvent(&snap_event);
}
} // namespace ash