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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/apps/app_service/instance_registry_updater.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_window.h"
#include "components/services/app_service/public/cpp/instance_registry.h"
#include "ui/aura/window.h"
namespace apps {
namespace {
static InstanceState GetState(bool visible, bool active) {
auto state = static_cast<InstanceState>(InstanceState::kStarted |
InstanceState::kRunning);
if (visible) {
state = static_cast<InstanceState>(state | InstanceState::kVisible);
}
if (active) {
// If the app is active, it should be started, running, and visible.
state = static_cast<InstanceState>(state | InstanceState::kVisible |
InstanceState::kActive);
}
return state;
}
bool IsAshBrowserWindow(aura::Window* aura_window) {
for (Browser* browser : *BrowserList::GetInstance()) {
BrowserWindow* window = browser->window();
if (window && window->GetNativeWindow() == aura_window) {
return true;
}
}
return false;
}
} // namespace
InstanceRegistryUpdater::InstanceRegistryUpdater(
BrowserAppInstanceRegistry& browser_app_instance_registry,
InstanceRegistry& instance_registry)
: browser_app_instance_registry_(browser_app_instance_registry),
instance_registry_(instance_registry) {
if (aura::Env::HasInstance()) {
env_observer_.Observe(aura::Env::GetInstance());
}
browser_app_instance_registry_observation_.Observe(
&*browser_app_instance_registry_);
}
InstanceRegistryUpdater::~InstanceRegistryUpdater() = default;
void InstanceRegistryUpdater::OnBrowserWindowAdded(
const BrowserWindowInstance& instance) {
OnBrowserWindowUpdated(instance);
}
void InstanceRegistryUpdater::OnBrowserWindowUpdated(
const BrowserWindowInstance& instance) {
InstanceState state =
GetState(instance.window->IsVisible(), instance.is_active());
OnInstance(instance.id, instance.GetAppId(), instance.window, state);
}
void InstanceRegistryUpdater::OnBrowserWindowRemoved(
const BrowserWindowInstance& instance) {
OnInstance(instance.id, instance.GetAppId(), instance.window,
InstanceState::kDestroyed);
}
void InstanceRegistryUpdater::OnBrowserAppAdded(
const BrowserAppInstance& instance) {
OnBrowserAppUpdated(instance);
}
void InstanceRegistryUpdater::OnBrowserAppUpdated(
const BrowserAppInstance& instance) {
InstanceState state =
GetState(instance.window->IsVisible(),
instance.is_browser_active() && instance.is_web_contents_active);
OnInstance(instance.id, instance.app_id, instance.window, state);
}
void InstanceRegistryUpdater::OnBrowserAppRemoved(
const BrowserAppInstance& instance) {
OnInstance(instance.id, instance.app_id, instance.window,
InstanceState::kDestroyed);
}
void InstanceRegistryUpdater::OnWindowInitialized(aura::Window* window) {
window_observations_.AddObservation(window);
}
void InstanceRegistryUpdater::OnWindowVisibilityChanged(aura::Window* window,
bool visible) {
if (!IsAshBrowserWindow(window)) {
return;
}
for (const BrowserAppInstance* instance :
browser_app_instance_registry_->SelectAppInstances(
[window](const BrowserAppInstance& instance) {
return instance.window == window;
})) {
OnBrowserAppUpdated(*instance);
}
for (const BrowserWindowInstance* instance :
browser_app_instance_registry_->SelectWindowInstances(
[window](const BrowserWindowInstance& instance) {
return instance.window == window;
})) {
OnBrowserWindowUpdated(*instance);
}
}
void InstanceRegistryUpdater::OnWindowDestroying(aura::Window* window) {
window_observations_.RemoveObservation(window);
}
void InstanceRegistryUpdater::OnInstance(
const base::UnguessableToken& instance_id,
const std::string& app_id,
aura::Window* window,
InstanceState state) {
auto instance = std::make_unique<apps::Instance>(app_id, instance_id, window);
instance->UpdateState(state, base::Time::Now());
instance_registry_->OnInstance(std::move(instance));
}
} // namespace apps
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