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// Copyright 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_EXTENSION_INSTALL_PROMPT_EXPERIMENT_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_PROMPT_EXPERIMENT_H_
#include "base/memory/ref_counted.h"
// Represents a permission dialog experiment.
// TODO(meacer): Remove this class once the ExtensionPermissionDialog
// experiment is completed (http://crbug.com/308748).
class ExtensionInstallPromptExperiment
: public base::RefCounted<ExtensionInstallPromptExperiment> {
public:
ExtensionInstallPromptExperiment(unsigned int group_id, unsigned int flags);
// Returns an experiment instance configured by the server. The ownership of
// the returned pointer is passed to the caller.
static ExtensionInstallPromptExperiment* Find();
// Returns an experiment instance for the control group. The ownership of the
// returned pointer is passed to the caller.
static ExtensionInstallPromptExperiment* ControlGroup();
// Returns true if this is a text only experiment. A text only experiment
// only adds an explanation text at the bottom of the permission dialog
// and changes the text on the add/cancel buttons.
bool text_only() const;
// The explanation text to be added for text only experiments.
base::string16 GetExplanationText() const;
// The text for the accept button for text only experiments.
base::string16 GetOkButtonText() const;
// The text for the cancel button for text only experiments.
base::string16 GetCancelButtonText() const;
// Returns true if the text color should be highlighted for the given
// permission message.
bool ShouldHighlightText(const base::string16& message) const;
// Returns true if the text background should be highlighted for the given
// permission message.
bool ShouldHighlightBackground(const base::string16& message) const;
// Returns true if there should be a "Show details" link at the bottom of the
// permission dialog.
bool show_details_link() const;
// Returns true if there should be checkboxes next to permissions for the
// user to click.
bool show_checkboxes() const;
// Returns true if the permission list should be hidden by default and can
// be expanded when necessary.
bool should_show_expandable_permission_list() const;
// Returns true if the experiment should show inline explanations for
// permissions.
bool should_show_inline_explanations() const;
// Returns the inline explanation text for the given permission warning.
// Returns empty string if there is no corresponding inline explanation.
base::string16 GetInlineExplanation(const base::string16& message) const;
private:
friend class base::RefCounted<ExtensionInstallPromptExperiment>;
~ExtensionInstallPromptExperiment();
// Group id of the experiment. The zeroth group is the control group.
const unsigned int group_id_;
// Bitmask for the changes done to the UI by the experiment. An experiment can
// change multiple parts of the UI.
const unsigned int flags_;
DISALLOW_COPY_AND_ASSIGN(ExtensionInstallPromptExperiment);
};
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_PROMPT_EXPERIMENT_H_
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