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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/app_list/quick_app_access_model.h"
#include <string>
#include "ash/app_list/app_list_controller_impl.h"
#include "ash/app_list/app_list_model_provider.h"
#include "ash/app_list/model/app_list_item.h"
#include "ash/shell.h"
#include "base/metrics/histogram_functions.h"
#include "base/time/time.h"
#include "ui/gfx/image/image_skia_operations.h"
#include "ui/gfx/image/image_skia_rep.h"
namespace ash {
QuickAppAccessModel::QuickAppAccessModel() = default;
QuickAppAccessModel::~QuickAppAccessModel() = default;
void QuickAppAccessModel::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void QuickAppAccessModel::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
bool QuickAppAccessModel::SetQuickApp(const std::string& app_id) {
if (quick_app_id_ == app_id) {
return false;
}
if (app_id.empty()) {
// Remove quick app when setting a quick app with an empty app id.
ClearQuickApp();
UpdateQuickAppShouldShowState();
return true;
}
AppListItem* item = AppListModelProvider::Get()->model()->FindItem(app_id);
if (!item) {
// Return and don't set the quick app id if the app item doesn't exist.
return false;
}
ClearQuickApp();
quick_app_id_ = app_id;
item_observation_.Observe(item);
// Request to load in the icon when the app item's icon is null.
if (item->GetDefaultIcon().isNull()) {
icon_load_start_time_ = base::TimeTicks::Now();
Shell::Get()->app_list_controller()->LoadIcon(app_id);
}
// When quick app is already in a show state, notify that the app icon has
// changed to cover the case where the shown quick app is changed to another
// app.
if (quick_app_should_show_state_) {
for (auto& observer : observers_) {
observer.OnQuickAppIconChanged();
}
}
UpdateQuickAppShouldShowState();
return true;
}
void QuickAppAccessModel::SetQuickAppActivated() {
ClearQuickApp();
UpdateQuickAppShouldShowState();
}
gfx::ImageSkia QuickAppAccessModel::GetAppIcon(gfx::Size icon_size) {
AppListItem* item = GetQuickAppItem();
if (!item) {
return gfx::ImageSkia();
}
gfx::ImageSkia image = item->GetDefaultIcon();
if (item->GetDefaultIcon().isNull()) {
return gfx::ImageSkia();
}
image = gfx::ImageSkiaOperations::CreateResizedImage(
image, skia::ImageOperations::RESIZE_BEST, icon_size);
return image;
}
const std::u16string QuickAppAccessModel::GetAppName() const {
AppListItem* item = GetQuickAppItem();
if (!item) {
return std::u16string();
}
return base::UTF8ToUTF16(item->GetDisplayName());
}
void QuickAppAccessModel::ItemDefaultIconChanged() {
if (quick_app_should_show_state_) {
// If quick app should already be shown, notify observers when the changed
// icon is not null.
if (!GetQuickAppItem()->GetDefaultIcon().isNull()) {
for (auto& observer : observers_) {
observer.OnQuickAppIconChanged();
}
}
} else {
if (icon_load_start_time_) {
UmaHistogramTimes("Apps.QuickAppIconLoadTime",
base::TimeTicks::Now() - *icon_load_start_time_);
icon_load_start_time_.reset();
}
UpdateQuickAppShouldShowState();
}
}
void QuickAppAccessModel::ItemIconVersionChanged() {
icon_load_start_time_ = base::TimeTicks::Now();
Shell::Get()->app_list_controller()->LoadIcon(quick_app_id_);
}
void QuickAppAccessModel::ItemBeingDestroyed() {
ClearQuickApp();
UpdateQuickAppShouldShowState();
}
void QuickAppAccessModel::OnAppListVisibilityChanged(bool shown,
int64_t display_id) {
if (shown) {
ClearQuickApp();
UpdateQuickAppShouldShowState();
}
}
AppListItem* QuickAppAccessModel::GetQuickAppItem() const {
return AppListModelProvider::Get()->model()->FindItem(quick_app_id_);
}
void QuickAppAccessModel::UpdateQuickAppShouldShowState() {
const bool prev_should_show_quick_app = quick_app_should_show_state_;
quick_app_should_show_state_ = ShouldShowQuickApp();
if (prev_should_show_quick_app == quick_app_should_show_state_) {
return;
}
if (!quick_app_should_show_state_) {
app_list_controller_observer_.Reset();
} else {
app_list_controller_observer_.Observe(Shell::Get()->app_list_controller());
}
for (auto& observer : observers_) {
observer.OnQuickAppShouldShowChanged(quick_app_should_show_state_);
}
}
bool QuickAppAccessModel::ShouldShowQuickApp() {
return !quick_app_id_.empty() &&
!GetQuickAppItem()->GetDefaultIcon().isNull();
}
void QuickAppAccessModel::ClearQuickApp() {
quick_app_id_ = "";
item_observation_.Reset();
icon_load_start_time_.reset();
}
} // namespace ash
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