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// Copyright 2014 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 COMPONENTS_PERMISSIONS_PERMISSION_PROMPT_H_
#define COMPONENTS_PERMISSIONS_PERMISSION_PROMPT_H_
#include <memory>
#include <vector>
#include "base/callback.h"
#include "base/strings/string16.h"
namespace content {
class WebContents;
}
namespace permissions {
class PermissionRequest;
// This class is the platform-independent interface through which the permission
// request managers (which are one per tab) communicate to the UI surface.
// When the visible tab changes, the UI code must provide an object of this type
// to the manager for the visible tab.
class PermissionPrompt {
public:
// Permission prompt behavior on tab switching.
enum TabSwitchingBehavior {
// The prompt should be kept as-is on tab switching (usually because it's
// part of the containing tab so it will be hidden automatically when
// switching from said tab)
kKeepPromptAlive,
// Destroy the prompt but keep the permission request pending. When the user
// revisits the tab, the permission prompt is re-displayed.
kDestroyPromptButKeepRequestPending,
// Destroy the prompt and treat the permission request as being resolved
// with the PermissionAction::IGNORED result.
kDestroyPromptAndIgnoreRequest,
};
// The delegate will receive events caused by user action which need to
// be persisted in the per-tab UI state.
class Delegate {
public:
virtual ~Delegate() {}
// These pointers should not be stored as the actual request objects may be
// deleted upon navigation and so on.
virtual const std::vector<PermissionRequest*>& Requests() = 0;
virtual void Accept() = 0;
virtual void Deny() = 0;
virtual void Closing() = 0;
};
typedef base::Callback<
std::unique_ptr<PermissionPrompt>(content::WebContents*, Delegate*)>
Factory;
// Create and display a platform specific prompt.
static std::unique_ptr<PermissionPrompt> Create(
content::WebContents* web_contents,
Delegate* delegate);
virtual ~PermissionPrompt() {}
// Updates where the prompt should be anchored. ex: fullscreen toggle.
virtual void UpdateAnchorPosition() = 0;
// Get the behavior of this prompt when the user switches away from the
// associated tab.
virtual TabSwitchingBehavior GetTabSwitchingBehavior() = 0;
};
} // namespace permissions
#endif // COMPONENTS_PERMISSIONS_PERMISSION_PROMPT_H_
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