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// Copyright (c) 2013 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 CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_
#define CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_
#include "chrome/browser/extensions/chrome_extension_function.h"
#include "chrome/browser/extensions/script_executor.h"
#include "chrome/common/extensions/api/tabs.h"
namespace extensions {
// Base class for javascript code injection.
// This is used by both chrome.webview.executeScript and
// chrome.tabs.executeScript.
class ExecuteCodeFunction : public ChromeAsyncExtensionFunction {
public:
ExecuteCodeFunction();
protected:
virtual ~ExecuteCodeFunction();
// ExtensionFunction implementation.
virtual bool HasPermission() OVERRIDE;
virtual bool RunImpl() OVERRIDE;
// Initialize |details_| if it hasn't already been.
virtual bool Init() = 0;
virtual bool ShouldInsertCSS() const = 0;
virtual bool CanExecuteScriptOnPage() = 0;
virtual ScriptExecutor* GetScriptExecutor() = 0;
virtual bool IsWebView() const = 0;
virtual void OnExecuteCodeFinished(const std::string& error,
int32 on_page_id,
const GURL& on_url,
const base::ListValue& result);
// The injection details.
scoped_ptr<api::tabs::InjectDetails> details_;
private:
// Called when contents from the file whose path is specified in JSON
// arguments has been loaded.
void DidLoadFile(bool success, const std::string& data);
// Runs on FILE thread. Loads message bundles for the extension and
// localizes the CSS data. Calls back DidLoadAndLocalizeFile on the UI thread.
void GetFileURLAndLocalizeCSS(
ScriptExecutor::ScriptType script_type,
const std::string& data,
const std::string& extension_id,
const base::FilePath& extension_path,
const std::string& extension_default_locale);
// Called when contents from the loaded file have been localized.
void DidLoadAndLocalizeFile(bool success, const std::string& data);
// Run in UI thread. Code string contains the code to be executed. Returns
// true on success. If true is returned, this does an AddRef.
bool Execute(const std::string& code_string);
// Contains extension resource built from path of file which is
// specified in JSON arguments.
ExtensionResource resource_;
// The URL of the file being injected into the page.
GURL file_url_;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_EXECUTE_CODE_FUNCTION_H_
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