blob: e1b5c612c08994378a2e598440e948009d6aef82 [file] [log] [blame]
// 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.
#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 {
// Actions resulting from showing the danger prompt.
enum Action {
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;