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// Copyright 2022 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/arc/input_overlay/ui/input_mapping_view.h"
#include "chrome/browser/ash/arc/input_overlay/actions/action.h"
#include "chrome/browser/ash/arc/input_overlay/display_overlay_controller.h"
#include "chrome/browser/ash/arc/input_overlay/touch_injector.h"
#include "chrome/browser/ash/arc/input_overlay/ui/action_view.h"
#include "chrome/browser/ash/arc/input_overlay/ui/touch_point.h"
#include "chrome/browser/ash/arc/input_overlay/util.h"
#include "chrome/grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/views/background.h"
#include "ui/views/view_utils.h"
namespace arc::input_overlay {
namespace {
// UI specs.
constexpr SkColor kEditModeBgColor = SkColorSetA(SK_ColorBLACK, 0x66 /*40%*/);
// Return true if `v1` is on top than `v2`, or `v1` is on the left side of `v2`
// when `v1` has the same y position as `v2`.
bool CompareActionViewPosition(const ActionView* v1, const ActionView* v2) {
const auto center1 = v1->GetTouchCenterInWindow();
const auto center2 = v2->GetTouchCenterInWindow();
if (center1.y() != center2.y()) {
return center1.y() < center2.y();
}
return center1.x() < center2.x();
}
} // namespace
InputMappingView::InputMappingView(
DisplayOverlayController* display_overlay_controller)
: controller_(display_overlay_controller) {
SetSize(controller_->touch_injector()->content_bounds().size());
for (auto& action : controller_->touch_injector()->actions()) {
if (action->IsDeleted()) {
continue;
}
if (auto view = action->CreateView(controller_)) {
AddChildView(std::move(view));
}
}
controller_->AddTouchInjectorObserver(this);
}
InputMappingView::~InputMappingView() {
controller_->RemoveTouchInjectorObserver(this);
}
void InputMappingView::SetDisplayMode(const DisplayMode mode) {
if (current_display_mode_ == mode ||
(mode != DisplayMode::kEdit && mode != DisplayMode::kView)) {
return;
}
if (mode == DisplayMode::kView) {
SetBackground(nullptr);
} else {
SortChildren();
SetBackground(views::CreateSolidBackground(kEditModeBgColor));
}
for (views::View* view : children()) {
if (auto* action_view = views::AsViewClass<ActionView>(view)) {
action_view->SetDisplayMode(mode);
}
}
current_display_mode_ = mode;
}
void InputMappingView::SortChildren() {
std::vector<ActionView*> left, right;
const float aspect_ratio = (float)width() / height();
for (views::View* child : children()) {
if (auto* action_view = views::AsViewClass<ActionView>(child)) {
if (aspect_ratio > 1.0f &&
action_view->GetTouchCenterInWindow().x() < width() / 2) {
left.emplace_back(action_view);
} else {
right.emplace_back(action_view);
}
}
}
std::sort(left.begin(), left.end(), CompareActionViewPosition);
std::sort(right.begin(), right.end(), CompareActionViewPosition);
for (auto* child : left) {
AddChildViewRaw(child);
}
for (auto* child : right) {
AddChildViewRaw(child);
}
}
void InputMappingView::OnActionAddedInternal(Action& action) {
if (auto view = action.CreateView(controller_)) {
AddChildView(std::move(view))->SetDisplayMode(current_display_mode_);
}
}
void InputMappingView::OnActionAdded(Action& action) {
OnActionAddedInternal(action);
// A new button options menu corresponding to the action is
// added when the action is newly added.
controller_->AddButtonOptionsMenuWidget(&action);
}
void InputMappingView::OnActionRemoved(const Action& action) {
for (views::View* const child : children()) {
if (auto* action_view = views::AsViewClass<ActionView>(child);
action_view->action() == &action) {
RemoveChildViewT(action_view);
break;
}
}
}
void InputMappingView::OnActionNewStateRemoved(const Action& action) {
for (views::View* const child : children()) {
if (auto* action_view = views::AsViewClass<ActionView>(child);
action_view->action() == &action) {
action_view->RemoveNewState();
break;
}
}
}
void InputMappingView::OnActionTypeChanged(Action* action, Action* new_action) {
// No action type change function for pre-beta version.
OnActionRemoved(*action);
OnActionAddedInternal(*new_action);
}
void InputMappingView::OnActionInputBindingUpdated(const Action& action) {
for (views::View* const child : children()) {
if (auto* action_view = views::AsViewClass<ActionView>(child);
action_view->action() == &action) {
action_view->OnActionInputBindingUpdated();
break;
}
}
}
void InputMappingView::OnContentBoundsSizeChanged() {
for (views::View* const child : children()) {
if (auto* child_view = views::AsViewClass<ActionView>(child)) {
child_view->OnContentBoundsSizeChanged();
}
}
}
BEGIN_METADATA(InputMappingView)
END_METADATA
} // namespace arc::input_overlay
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