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// Copyright 2017 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 "chrome/browser/chromeos/lock_screen_apps/first_app_run_toast_manager.h"
#include "base/bind.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/values.h"
#include "chrome/browser/chromeos/lock_screen_apps/toast_dialog_view.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"
#include "components/prefs/scoped_user_pref_update.h"
#include "extensions/browser/app_window/app_window.h"
#include "extensions/common/extension.h"
#include "ui/aura/window.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
namespace lock_screen_apps {
namespace {
// Toast dialog's vertical offset from the app window bottom.
constexpr int kToastDialogVerticalOffset = 20;
} // namespace
// Observes the note taking app widget so bounds changes can update the toast
// position.
class FirstAppRunToastManager::AppWidgetObserver
: public views::WidgetObserver {
public:
AppWidgetObserver(FirstAppRunToastManager* manager, views::Widget* widget)
: manager_(manager), widget_(widget) {
widget_->AddObserver(this);
}
~AppWidgetObserver() override {
// This is a no-op of the observer was previously removed.
widget_->RemoveObserver(this);
CHECK(!IsInObserverList());
}
// views::WidgetObserver:
void OnWidgetBoundsChanged(views::Widget* widget,
const gfx::Rect& new_bounds) override {
manager_->AdjustToastWidgetBounds();
}
void OnWidgetDestroying(views::Widget* widget) override {
widget_->RemoveObserver(this);
}
private:
FirstAppRunToastManager* manager_;
views::Widget* widget_;
DISALLOW_COPY_AND_ASSIGN(AppWidgetObserver);
};
FirstAppRunToastManager::FirstAppRunToastManager(Profile* profile)
: profile_(profile) {}
FirstAppRunToastManager::~FirstAppRunToastManager() {
Reset();
}
void FirstAppRunToastManager::RunForAppWindow(
extensions::AppWindow* app_window) {
if (app_window_)
return;
DCHECK(app_window->GetNativeWindow());
const extensions::Extension* app = app_window->GetExtension();
const base::DictionaryValue* toast_shown =
profile_->GetPrefs()->GetDictionary(
prefs::kNoteTakingAppsLockScreenToastShown);
bool already_shown_for_app = false;
if (toast_shown->GetBoolean(app->id(), &already_shown_for_app) &&
already_shown_for_app) {
return;
}
app_window_ = app_window;
views::Widget* app_widget =
views::Widget::GetWidgetForNativeWindow(app_window_->GetNativeWindow());
DCHECK(app_widget);
app_widget_observer_ = std::make_unique<AppWidgetObserver>(this, app_widget);
if (app_window_->GetNativeWindow()->HasFocus()) {
CreateAndShowToastDialog();
} else {
app_window_observer_.Add(
extensions::AppWindowRegistry::Get(app_window_->browser_context()));
}
}
void FirstAppRunToastManager::Reset() {
app_widget_observer_.reset();
app_window_observer_.RemoveAll();
toast_widget_observer_.RemoveAll();
app_window_ = nullptr;
weak_ptr_factory_.InvalidateWeakPtrs();
if (toast_widget_ && !toast_widget_->IsClosed())
toast_widget_->Close();
toast_widget_ = nullptr;
}
void FirstAppRunToastManager::OnWidgetDestroyed(views::Widget* widget) {
Reset();
}
void FirstAppRunToastManager::OnAppWindowActivated(
extensions::AppWindow* app_window) {
if (app_window == app_window_) {
app_window_observer_.RemoveAll();
// Start toast dialog creation asynchronously so it happens after app window
// activation completes.
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::BindOnce(&FirstAppRunToastManager::CreateAndShowToastDialog,
weak_ptr_factory_.GetWeakPtr()));
}
}
void FirstAppRunToastManager::CreateAndShowToastDialog() {
auto* toast_dialog = new ToastDialogView(
base::UTF8ToUTF16(app_window_->GetExtension()->short_name()),
base::BindOnce(&FirstAppRunToastManager::ToastDialogDismissed,
weak_ptr_factory_.GetWeakPtr()));
toast_widget_ = views::BubbleDialogDelegateView::CreateBubble(toast_dialog);
toast_widget_->Show();
AdjustToastWidgetBounds();
toast_widget_observer_.Add(toast_widget_);
}
void FirstAppRunToastManager::ToastDialogDismissed() {
{
const extensions::Extension* app = app_window_->GetExtension();
DictionaryPrefUpdate dict_update(
profile_->GetPrefs(), prefs::kNoteTakingAppsLockScreenToastShown);
dict_update->SetBoolean(app->id(), true);
}
Reset();
}
void FirstAppRunToastManager::AdjustToastWidgetBounds() {
if (!toast_widget_)
return;
DCHECK(app_window_);
const gfx::Rect app_window_bounds =
app_window_->GetNativeWindow()->GetBoundsInScreen();
const gfx::Rect original_bounds = toast_widget_->GetWindowBoundsInScreen();
gfx::Point intended_origin = gfx::Point(
// Center toast widget horizontally relative to app_window bounds.
app_window_bounds.x() +
(app_window_bounds.width() - original_bounds.width()) / 2,
// Position toast widget dialog at the bottom of app window, with an
// additional offset (so poirtion of the dialog is painted outside the
// app window bounds).
app_window_bounds.bottom() - original_bounds.height() +
kToastDialogVerticalOffset);
toast_widget_->SetBounds(gfx::Rect(intended_origin, original_bounds.size()));
}
} // namespace lock_screen_apps
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