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// Copyright 2017 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.
#ifndef HEADLESS_APP_HEADLESS_SHELL_H_
#define HEADLESS_APP_HEADLESS_SHELL_H_
#include <memory>
#include <string>
#include "base/files/file_proxy.h"
#include "base/memory/weak_ptr.h"
#include "headless/app/shell_navigation_request.h"
#include "headless/public/devtools/domains/emulation.h"
#include "headless/public/devtools/domains/inspector.h"
#include "headless/public/devtools/domains/page.h"
#include "headless/public/devtools/domains/runtime.h"
#include "headless/public/headless_browser.h"
#include "headless/public/headless_devtools_client.h"
#include "headless/public/headless_web_contents.h"
#include "headless/public/util/deterministic_dispatcher.h"
#include "net/base/file_stream.h"
namespace headless {
// An application which implements a simple headless browser.
class HeadlessShell : public HeadlessWebContents::Observer,
public emulation::ExperimentalObserver,
public inspector::ExperimentalObserver,
public page::ExperimentalObserver {
public:
HeadlessShell();
~HeadlessShell() override;
virtual void OnStart(HeadlessBrowser* browser);
HeadlessDevToolsClient* devtools_client() const {
return devtools_client_.get();
}
private:
// HeadlessWebContents::Observer implementation:
void DevToolsTargetReady() override;
void OnTargetCrashed(const inspector::TargetCrashedParams& params) override;
// emulation::Observer implementation:
void OnVirtualTimeBudgetExpired(
const emulation::VirtualTimeBudgetExpiredParams& params) override;
// page::Observer implementation:
void OnLoadEventFired(const page::LoadEventFiredParams& params) override;
void OnNavigationRequested(
const headless::page::NavigationRequestedParams& params) override;
virtual void Shutdown();
void FetchTimeout();
void PollReadyState();
void OnReadyState(std::unique_ptr<runtime::EvaluateResult> result);
void OnPageReady();
void FetchDom();
void OnDomFetched(std::unique_ptr<runtime::EvaluateResult> result);
void InputExpression();
void OnExpressionResult(std::unique_ptr<runtime::EvaluateResult> result);
void CaptureScreenshot();
void OnScreenshotCaptured(
std::unique_ptr<page::CaptureScreenshotResult> result);
void PrintToPDF();
void OnPDFCreated(std::unique_ptr<page::PrintToPDFResult> result);
void WriteFile(const std::string& switch_string,
const std::string& default_file_name,
const std::string& data);
void OnFileOpened(const std::string& data,
const base::FilePath file_name,
base::File::Error error_code);
void OnFileWritten(const base::FilePath file_name,
const size_t length,
base::File::Error error_code,
int write_result);
void OnFileClosed(base::File::Error error_code);
bool RemoteDebuggingEnabled() const;
GURL url_;
HeadlessBrowser* browser_; // Not owned.
std::unique_ptr<HeadlessDevToolsClient> devtools_client_;
#if !defined(CHROME_MULTIPLE_DLL_CHILD)
HeadlessWebContents* web_contents_;
HeadlessBrowserContext* browser_context_;
#endif
bool processed_page_ready_;
std::unique_ptr<base::FileProxy> file_proxy_;
std::unique_ptr<DeterministicDispatcher> deterministic_dispatcher_;
base::WeakPtrFactory<HeadlessShell> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(HeadlessShell);
};
} // namespace headless
#endif // HEADLESS_APP_HEADLESS_SHELL_H_
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