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// Copyright 2014 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 "extensions/browser/test_extension_registry_observer.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "extensions/browser/extension_registry.h"
namespace extensions {
class TestExtensionRegistryObserver::Waiter {
public:
Waiter() : observed_(false), extension_(nullptr) {}
void Wait() {
if (!observed_)
run_loop_.Run();
}
void OnObserved(const Extension* extension) {
observed_ = true;
run_loop_.Quit();
extension_ = extension;
}
const Extension* extension() const { return extension_; }
private:
bool observed_;
base::RunLoop run_loop_;
const Extension* extension_;
DISALLOW_COPY_AND_ASSIGN(Waiter);
};
TestExtensionRegistryObserver::TestExtensionRegistryObserver(
ExtensionRegistry* registry)
: TestExtensionRegistryObserver(registry, std::string()) {
}
TestExtensionRegistryObserver::TestExtensionRegistryObserver(
ExtensionRegistry* registry,
const std::string& extension_id)
: will_be_installed_waiter_(new Waiter()),
uninstalled_waiter_(new Waiter()),
loaded_waiter_(new Waiter()),
unloaded_waiter_(new Waiter()),
extension_registry_observer_(this),
extension_id_(extension_id) {
extension_registry_observer_.Add(registry);
}
TestExtensionRegistryObserver::~TestExtensionRegistryObserver() {
}
const Extension* TestExtensionRegistryObserver::WaitForExtensionUninstalled() {
return Wait(&uninstalled_waiter_);
}
const Extension*
TestExtensionRegistryObserver::WaitForExtensionWillBeInstalled() {
return Wait(&will_be_installed_waiter_);
}
const Extension* TestExtensionRegistryObserver::WaitForExtensionLoaded() {
return Wait(&loaded_waiter_);
}
const Extension* TestExtensionRegistryObserver::WaitForExtensionUnloaded() {
return Wait(&unloaded_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::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::OnExtensionLoaded(
content::BrowserContext* browser_context,
const Extension* extension) {
if (extension_id_.empty() || extension->id() == extension_id_)
loaded_waiter_->OnObserved(extension);
}
void TestExtensionRegistryObserver::OnExtensionUnloaded(
content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionInfo::Reason reason) {
if (extension_id_.empty() || extension->id() == extension_id_)
unloaded_waiter_->OnObserved(extension);
}
const Extension* TestExtensionRegistryObserver::Wait(
scoped_ptr<Waiter>* waiter) {
waiter->get()->Wait();
const Extension* extension = waiter->get()->extension();
// 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->reset(new Waiter());
return extension;
}
} // namespace extensions
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