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// Copyright 2015 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 <string>
#include "base/callback.h"
#include "base/macros.h"
#include "extensions/browser/process_manager_observer.h"
namespace extensions {
class Extension;
class ExtensionHost;
class ProcessManager;
// Observes the background page load state of an extension. Use this in tests
// which rely on a specific open or close state of a background page.
class BackgroundPageWatcher : public ProcessManagerObserver {
public:
BackgroundPageWatcher(ProcessManager* process_manager,
const Extension* extension);
~BackgroundPageWatcher();
// Returns when the background page is open. If the background page is
// already open, returns immediately.
void WaitForOpen();
// Returns when the background page is closed. If the background page is
// already closed, returns immediately.
void WaitForClose();
private:
// Returns when the background page has open state of |wait_for_open|. If the
// background page is already in that state, returns immediately.
void WaitForOpenState(bool wait_for_open);
bool IsBackgroundPageOpen();
// ProcessManagerObserver:
void OnExtensionFrameRegistered(
const std::string& extension_id,
content::RenderFrameHost* render_frame_host) override;
void OnExtensionFrameUnregistered(
const std::string& extension_id,
content::RenderFrameHost* render_frame_host) override;
ProcessManager* process_manager_;
const std::string extension_id_;
base::Closure quit_run_loop_;
bool is_waiting_for_open_;
bool is_waiting_for_close_;
DISALLOW_COPY_AND_ASSIGN(BackgroundPageWatcher);
};
} // namespace extensions
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