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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/test_extension_registry_observer.h"
#include <memory>
#include "base/run_loop.h"
#include "extensions/common/extension_id.h"
namespace extensions {
class TestExtensionRegistryObserver::Waiter {
public:
Waiter() = default;
Waiter(const Waiter&) = delete;
Waiter& operator=(const Waiter&) = delete;
scoped_refptr<const Extension> Wait() {
if (!observed_) {
run_loop_.Run();
}
return extension_;
}
void OnObserved(const Extension* extension) {
observed_ = true;
run_loop_.Quit();
extension_ = extension;
}
private:
bool observed_ = false;
base::RunLoop run_loop_{base::RunLoop::Type::kNestableTasksAllowed};
scoped_refptr<const Extension> extension_;
};
TestExtensionRegistryObserver::TestExtensionRegistryObserver(
ExtensionRegistry* registry)
: TestExtensionRegistryObserver(registry, std::string()) {
}
TestExtensionRegistryObserver::TestExtensionRegistryObserver(
ExtensionRegistry* registry,
const ExtensionId& extension_id)
: will_be_installed_waiter_(std::make_unique<Waiter>()),
installed_waiter_(std::make_unique<Waiter>()),
uninstalled_waiter_(std::make_unique<Waiter>()),
uninstallation_denied_waiter_(std::make_unique<Waiter>()),
loaded_waiter_(std::make_unique<Waiter>()),
ready_waiter_(std::make_unique<Waiter>()),
unloaded_waiter_(std::make_unique<Waiter>()),
extension_id_(extension_id) {
extension_registry_observation_.Observe(registry);
}
TestExtensionRegistryObserver::~TestExtensionRegistryObserver() {
}
scoped_refptr<const Extension>
TestExtensionRegistryObserver::WaitForExtensionUninstalled() {
return Wait(&uninstalled_waiter_);
}
scoped_refptr<const Extension>
TestExtensionRegistryObserver::WaitForExtensionUninstallationDenied() {
return Wait(&uninstallation_denied_waiter_);
}
scoped_refptr<const Extension>
TestExtensionRegistryObserver::WaitForExtensionWillBeInstalled() {
return Wait(&will_be_installed_waiter_);
}
scoped_refptr<const Extension>
TestExtensionRegistryObserver::WaitForExtensionInstalled() {
return Wait(&installed_waiter_);
}
scoped_refptr<const Extension>
TestExtensionRegistryObserver::WaitForExtensionLoaded() {
return Wait(&loaded_waiter_);
}
scoped_refptr<const Extension>
TestExtensionRegistryObserver::WaitForExtensionUnloaded() {
return Wait(&unloaded_waiter_);
}
scoped_refptr<const Extension>
TestExtensionRegistryObserver::WaitForExtensionReady() {
return Wait(&ready_waiter_);
}
void TestExtensionRegistryObserver::OnExtensionWillBeInstalled(
content::BrowserContext* browser_context,
const Extension* extension,
bool is_update,
const std::string& old_name) {
if (extension_id_.empty() || extension->id() == extension_id_) {
will_be_installed_waiter_->OnObserved(extension);
}
}
void TestExtensionRegistryObserver::OnExtensionInstalled(
content::BrowserContext* browser_context,
const Extension* extension,
bool is_update) {
if (extension_id_.empty() || extension->id() == extension_id_) {
installed_waiter_->OnObserved(extension);
}
}
void TestExtensionRegistryObserver::OnExtensionUninstalled(
content::BrowserContext* browser_context,
const Extension* extension,
extensions::UninstallReason reason) {
if (extension_id_.empty() || extension->id() == extension_id_) {
uninstalled_waiter_->OnObserved(extension);
}
}
void TestExtensionRegistryObserver::OnExtensionUninstallationDenied(
content::BrowserContext* browser_context,
const Extension* extension) {
if (extension_id_.empty() || extension->id() == extension_id_) {
uninstallation_denied_waiter_->OnObserved(extension);
}
}
void TestExtensionRegistryObserver::OnExtensionLoaded(
content::BrowserContext* browser_context,
const Extension* extension) {
if (extension_id_.empty() || extension->id() == extension_id_) {
loaded_waiter_->OnObserved(extension);
}
}
void TestExtensionRegistryObserver::OnExtensionReady(
content::BrowserContext* browser_context,
const Extension* extension) {
if (extension_id_.empty() || extension->id() == extension_id_) {
ready_waiter_->OnObserved(extension);
}
}
void TestExtensionRegistryObserver::OnExtensionUnloaded(
content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionReason reason) {
if (extension_id_.empty() || extension->id() == extension_id_) {
unloaded_waiter_->OnObserved(extension);
}
}
scoped_refptr<const Extension> TestExtensionRegistryObserver::Wait(
std::unique_ptr<Waiter>* waiter) {
scoped_refptr<const Extension> extension = (*waiter)->Wait();
// Reset the waiter for future uses.
// We could have a Waiter::Reset method, but it would reset every field in the
// class, so let's just reset the pointer.
*waiter = std::make_unique<Waiter>();
return extension;
}
} // namespace extensions
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