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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/services/app_service/public/cpp/instance_update.h"
#include "base/logging.h"
#include "base/strings/string_util.h"
#include "components/services/app_service/public/cpp/instance.h"
#include "components/services/app_service/public/cpp/macros.h"
namespace apps {
// static
void InstanceUpdate::Merge(Instance* state, const Instance* delta) {
DCHECK(state);
if (!delta) {
return;
}
if ((delta->AppId() != state->AppId()) ||
delta->InstanceId() != state->InstanceId()) {
LOG(ERROR) << "inconsistent (app_id, instance_id): (" << delta->AppId()
<< ", " << delta->InstanceId() << ") vs (" << state->AppId()
<< ", " << state->InstanceId() << ") ";
DCHECK(false);
return;
}
if (!delta->LaunchId().empty()) {
state->SetLaunchId(delta->LaunchId());
}
if (delta->State() != InstanceState::kUnknown) {
state->UpdateState(delta->State(), delta->LastUpdatedTime());
}
if (delta->BrowserContext()) {
state->SetBrowserContext(delta->BrowserContext());
}
if (delta->Window()) {
state->SetWindow(delta->Window());
}
// When adding new fields to the Instance class, this function should also be
// updated.
}
// static
bool InstanceUpdate::Equals(const Instance* state, const Instance* delta) {
if (delta == nullptr) {
return true;
}
if (state == nullptr) {
if (static_cast<InstanceState>(delta->State() &
InstanceState::kDestroyed) !=
InstanceState::kUnknown) {
return true;
}
return false;
}
if ((delta->AppId() != state->AppId()) ||
delta->InstanceId() != state->InstanceId()) {
LOG(ERROR) << "inconsistent (app_id, instance_id): (" << delta->AppId()
<< ", " << delta->InstanceId() << ") vs (" << state->AppId()
<< ", " << state->InstanceId() << ") ";
DCHECK(false);
return false;
}
if (delta->Window() && delta->Window() != state->Window()) {
return false;
}
if (!delta->LaunchId().empty() && delta->LaunchId() != state->LaunchId()) {
return false;
}
if (delta->State() != InstanceState::kUnknown &&
(delta->State() != state->State() ||
delta->LastUpdatedTime() != state->LastUpdatedTime())) {
return false;
}
if (delta->BrowserContext() &&
delta->BrowserContext() != state->BrowserContext()) {
return false;
}
return true;
// When adding new fields to the Instance class, this function should also be
// updated.
}
InstanceUpdate::InstanceUpdate(const Instance* state, const Instance* delta)
: state_(state), delta_(delta) {
DCHECK(state_ || delta_);
if (state_ && delta_) {
DCHECK(state_->AppId() == delta->AppId());
DCHECK(state_->InstanceId() == delta->InstanceId());
}
}
bool InstanceUpdate::StateIsNull() const {
return state_ == nullptr;
}
bool InstanceUpdate::IsCreation() const {
return StateIsNull() && (State() & apps::InstanceState::kDestroyed) ==
apps::InstanceState::kUnknown;
}
bool InstanceUpdate::IsDestruction() const {
return StateChanged() && State() == apps::InstanceState::kDestroyed;
}
const std::string& InstanceUpdate::AppId() const {
return delta_ ? delta_->AppId() : state_->AppId();
}
const base::UnguessableToken& InstanceUpdate::InstanceId() const {
return delta_ ? delta_->InstanceId() : state_->InstanceId();
}
aura::Window* InstanceUpdate::Window() const {
GET_VALUE(Window);
}
bool InstanceUpdate::WindowChanged() const {
IS_VALUE_CHANGED(Window);
}
const std::string& InstanceUpdate::LaunchId() const {
GET_VALUE_WITH_CHECK_AND_DEFAULT_RETURN(LaunchId(), empty,
base::EmptyString());
}
bool InstanceUpdate::LaunchIdChanged() const {
IS_VALUE_CHANGED_WITH_CHECK(LaunchId(), empty);
}
InstanceState InstanceUpdate::State() const {
GET_VALUE_WITH_DEFAULT_VALUE(State(), InstanceState::kUnknown);
}
bool InstanceUpdate::StateChanged() const {
IS_VALUE_CHANGED_WITH_DEFAULT_VALUE(State(), InstanceState::kUnknown);
}
base::Time InstanceUpdate::LastUpdatedTime() const {
GET_VALUE_WITH_CHECK_AND_DEFAULT_RETURN(LastUpdatedTime(), is_null,
base::Time());
}
bool InstanceUpdate::LastUpdatedTimeChanged() const {
IS_VALUE_CHANGED_WITH_CHECK(LastUpdatedTime(), is_null);
}
content::BrowserContext* InstanceUpdate::BrowserContext() const {
GET_VALUE(BrowserContext);
}
bool InstanceUpdate::BrowserContextChanged() const {
IS_VALUE_CHANGED(BrowserContext);
}
} // namespace apps
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