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// Copyright (c) 2012 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 CONTENT_SHELL_WEBKIT_TEST_CONTROLLER_H_
#define CONTENT_SHELL_WEBKIT_TEST_CONTROLLER_H_
#include <ostream>
#include <string>
#include "base/cancelable_callback.h"
#include "base/file_path.h"
#include "base/synchronization/lock.h"
#include "base/threading/non_thread_safe.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/render_view_host_observer.h"
#include "content/public/browser/web_contents_observer.h"
#include "webkit/glue/webpreferences.h"
class SkBitmap;
namespace content {
class Shell;
class WebKitTestResultPrinter {
public:
WebKitTestResultPrinter(std::ostream* output, std::ostream* error);
~WebKitTestResultPrinter();
void reset() {
state_ = BEFORE_TEST;
}
bool in_text_block() const { return state_ == IN_TEXT_BLOCK; }
void set_capture_text_only(bool capture_text_only) {
capture_text_only_ = capture_text_only;
}
void PrintTextHeader();
void PrintTextBlock(const std::string& block);
void PrintTextFooter();
void PrintImageHeader(const std::string& actual_hash,
const std::string& expected_hash);
void PrintImageBlock(const std::vector<unsigned char>& png_image);
void PrintImageFooter();
void AddMessage(const std::string& message);
void AddMessageRaw(const std::string& message);
void AddErrorMessage(const std::string& message);
private:
enum State {
BEFORE_TEST,
IN_TEXT_BLOCK,
IN_IMAGE_BLOCK,
AFTER_TEST
};
State state_;
bool capture_text_only_;
std::ostream* output_;
std::ostream* error_;
DISALLOW_COPY_AND_ASSIGN(WebKitTestResultPrinter);
};
class WebKitTestController : public base::NonThreadSafe,
public WebContentsObserver,
public NotificationObserver {
public:
static WebKitTestController* Get();
WebKitTestController();
virtual ~WebKitTestController();
// True if the controller is ready for testing.
bool PrepareForLayoutTest(const GURL& test_url,
const FilePath& current_working_directory,
bool enable_pixel_dumping,
const std::string& expected_pixel_hash);
// True if the controller was reset successfully.
bool ResetAfterLayoutTest();
void RendererUnresponsive();
void OverrideWebkitPrefs(webkit_glue::WebPreferences* prefs);
WebKitTestResultPrinter* printer() { return printer_.get(); }
void set_printer(WebKitTestResultPrinter* printer) {
printer_.reset(printer);
}
bool should_stay_on_page_after_handling_before_unload() const {
return should_stay_on_page_after_handling_before_unload_;
}
// This method can be invoked on any thread.
bool CanOpenWindows() const;
// WebContentsObserver implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual void PluginCrashed(const FilePath& plugin_path,
base::ProcessId plugin_pid) OVERRIDE;
virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE;
virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE;
virtual void WebContentsDestroyed(WebContents* web_contents) OVERRIDE;
// NotificationObserver implementation.
virtual void Observe(int type,
const NotificationSource& source,
const NotificationDetails& details) OVERRIDE;
private:
static WebKitTestController* instance_;
void CaptureDump();
void TimeoutHandler();
// Message handlers.
void OnDidFinishLoad();
void OnImageDump(const std::string& actual_pixel_hash, const SkBitmap& image);
void OnTextDump(const std::string& dump);
void OnPrintMessage(const std::string& message);
void OnReadFileToString(const FilePath& file_path, std::string* contents);
void OnOverridePreferences(const webkit_glue::WebPreferences& prefs);
void OnNotifyDone();
void OnDumpAsText();
void OnDumpChildFramesAsText();
void OnSetPrinting();
void OnSetShouldStayOnPageAfterHandlingBeforeUnload(bool should_stay_on_page);
void OnWaitUntilDone();
void OnCanOpenWindows();
void OnShowWebInspector();
void OnCloseWebInspector();
void OnRegisterIsolatedFileSystem(
const std::vector<FilePath>& absolute_filenames,
std::string* filesystem_id);
void OnNotImplemented(const std::string& object_name,
const std::string& method_name);
scoped_ptr<WebKitTestResultPrinter> printer_;
FilePath current_working_directory_;
Shell* main_window_;
int current_pid_;
bool is_compositing_test_;
bool enable_pixel_dumping_;
std::string expected_pixel_hash_;
bool captured_dump_;
bool dump_as_text_;
bool dump_child_frames_;
bool is_printing_;
bool should_stay_on_page_after_handling_before_unload_;
bool wait_until_done_;
bool did_finish_load_;
webkit_glue::WebPreferences prefs_;
bool should_override_prefs_;
base::CancelableClosure watchdog_;
// Access to the following variables needs to be guarded by |lock_|.
mutable base::Lock lock_;
bool can_open_windows_;
NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(WebKitTestController);
};
} // namespace content
#endif // CONTENT_SHELL_WEBKIT_TEST_CONTROLLER_H_
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