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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.
#include <map>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/time/time.h"
#include "content/public/browser/javascript_dialog_manager.h"
namespace app_modal {
class NativeAppModalDialog;
// Extra data for JavaScript dialogs to add Chrome-only features.
class ChromeJavaScriptDialogExtraData {
// True if the user has already seen a JavaScript dialog from the WebContents.
bool has_already_shown_a_dialog_;
// True if the user has decided to block future JavaScript dialogs.
bool suppress_javascript_messages_;
// Number of dialogs from the origin that were suppressed.
int suppressed_dialog_count_;
// A controller + model class for JavaScript alert, confirm, prompt, and
// onbeforeunload dialog boxes.
class JavaScriptAppModalDialog {
typedef std::map<void*, ChromeJavaScriptDialogExtraData> ExtraDataMap;
content::WebContents* web_contents,
ExtraDataMap* extra_data_map,
const base::string16& title,
content::JavaScriptDialogType javascript_dialog_type,
const base::string16& message_text,
const base::string16& default_prompt_text,
bool display_suppress_checkbox,
bool is_before_unload_dialog,
bool is_reload,
const content::JavaScriptDialogManager::DialogClosedCallback& callback);
// Called by the AppModalDialogQueue to show this dialog.
void ShowModalDialog();
// Called by the AppModalDialogQueue to activate the dialog.
void ActivateModalDialog();
// Closes the dialog if it is showing.
void CloseModalDialog();
// Returns true if the dialog is still valid. As dialogs are created they are
// added to the AppModalDialogQueue. When the current modal dialog finishes
// and it's time to show the next dialog in the queue IsValid is invoked.
// If IsValid returns false the dialog is deleted and not shown.
bool IsValid();
// Invalidates the dialog, therefore causing it to not be shown when its turn
// to be shown comes around.
void Invalidate();
// Callbacks from NativeDialog when the user accepts or cancels the dialog.
void OnCancel(bool suppress_js_messages);
void OnAccept(const base::string16& prompt_text, bool suppress_js_messages);
// NOTE: This is only called under Views, and should be removed. Any critical
// work should be done in OnCancel or OnAccept. See for more.
void OnClose();
// Used only for testing. The dialog will use the given text when notifying
// its delegate instead of whatever the UI reports.
void SetOverridePromptText(const base::string16& prompt_text);
// Accessors.
base::string16 title() const { return title_; }
NativeAppModalDialog* native_dialog() const { return native_dialog_; }
content::WebContents* web_contents() const { return web_contents_; }
content::JavaScriptDialogType javascript_dialog_type() const {
return javascript_dialog_type_;
base::string16 message_text() const { return message_text_; }
base::string16 default_prompt_text() const { return default_prompt_text_; }
bool display_suppress_checkbox() const { return display_suppress_checkbox_; }
bool is_before_unload_dialog() const { return is_before_unload_dialog_; }
bool is_reload() const { return is_reload_; }
// Notifies the delegate with the result of the dialog.
void NotifyDelegate(bool success, const base::string16& prompt_text,
bool suppress_js_messages);
void CallDialogClosedCallback(bool success,
const base::string16& prompt_text);
// Completes dialog handling, shows next modal dialog from the queue.
// TODO(beng): Get rid of this method.
void CompleteDialog();
// The title of the dialog.
base::string16 title_;
// // True if CompleteDialog was called.
bool completed_;
// False if the dialog should no longer be shown, e.g. because the underlying
// tab navigated away while the dialog was queued.
bool valid_;
// // The toolkit-specific implementation of the app modal dialog box.
NativeAppModalDialog* native_dialog_;
// The WebContents that opened this dialog.
content::WebContents* web_contents_;
// A map of extra Chrome-only data associated with the delegate_. Can be
// inspected via |extra_data_map_[web_contents_]|.
ExtraDataMap* extra_data_map_;
// Information about the message box is held in the following variables.
const content::JavaScriptDialogType javascript_dialog_type_;
base::string16 message_text_;
base::string16 default_prompt_text_;
bool display_suppress_checkbox_;
bool is_before_unload_dialog_;
bool is_reload_;
content::JavaScriptDialogManager::DialogClosedCallback callback_;
// Used only for testing. Specifies alternative prompt text that should be
// used when notifying the delegate, if |use_override_prompt_text_| is true.
base::string16 override_prompt_text_;
bool use_override_prompt_text_;
base::TimeTicks creation_time_;
// An interface to observe that a modal dialog is shown.
class AppModalDialogObserver {
virtual ~AppModalDialogObserver();
// Called when the modal dialog is shown.
virtual void Notify(JavaScriptAppModalDialog* dialog) = 0;
} // namespace app_modal