// 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 CHROME_BROWSER_DOWNLOAD_DOWNLOAD_DANGER_PROMPT_H_ #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_DANGER_PROMPT_H_ #include "base/callback_forward.h" namespace content { class DownloadItem; class WebContents; } // Prompts the user for whether to Keep a dangerous DownloadItem using native // UI. This prompt is invoked by the DownloadsDOMHandler when the user wants to // accept a dangerous download. Having a native dialog intervene during the this // workflow means that the chrome://downloads page no longer has the privilege // to accept a dangerous download from script without user intervention. This // step is necessary to prevent a malicious script form abusing such a // privilege. class DownloadDangerPrompt { public: // Actions resulting from showing the danger prompt. enum Action { ACCEPT, CANCEL, DISMISS, }; typedef base::Callback<void(Action)> OnDone; // Return a new self-deleting DownloadDangerPrompt. |accepted| or |canceled| // will be run when the the respective action is invoked. |canceled| may also // be called when |item| is either no longer dangerous or no longer in // progress, or if the tab corresponding to |web_contents| is // closing. The returned DownloadDangerPrompt* is only used for testing. The // caller does not own the object and receive no guarantees about lifetime. // If |show_context|, then the prompt message will contain some information // about the download and its danger; otherwise it won't. static DownloadDangerPrompt* Create( content::DownloadItem* item, content::WebContents* web_contents, bool show_context, const OnDone& done); // Only to be used by tests. Subclasses must override to manually call the // respective button click handler. virtual void InvokeActionForTesting(Action action) = 0; }; #endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_DANGER_PROMPT_H_