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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.
#ifndef UI_WEB_DIALOGS_WEB_DIALOG_UI_H_
#define UI_WEB_DIALOGS_WEB_DIALOG_UI_H_
#include <string>
#include <vector>
#include "base/compiler_specific.h"
#include "base/string16.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/browser/web_ui_controller.h"
#include "googleurl/src/gurl.h"
#include "ui/base/ui_base_types.h"
#include "ui/web_dialogs/web_dialogs_export.h"
namespace base {
class ListValue;
template<class T> class PropertyAccessor;
}
namespace content {
class WebContents;
class WebUIMessageHandler;
struct ContextMenuParams;
}
namespace gfx {
class Size;
}
namespace ui {
class WebDialogDelegate;
// Displays file URL contents inside a modal web dialog.
//
// This application really should not use WebContents + WebUI. It should instead
// just embed a RenderView in a dialog and be done with it.
//
// Before loading a URL corresponding to this WebUI, the caller should set its
// delegate as a property on the WebContents. This WebUI will pick it up from
// there and call it back. This is a bit of a hack to allow the dialog to pass
// its delegate to the Web UI without having nasty accessors on the WebContents.
// The correct design using RVH directly would avoid all of this.
class WEB_DIALOGS_EXPORT WebDialogUI : public content::WebUIController {
public:
struct WebDialogParams {
// The URL for the content that will be loaded in the dialog.
GURL url;
// Width of the dialog.
int width;
// Height of the dialog.
int height;
// The JSON input to pass to the dialog when showing it.
std::string json_input;
};
// When created, the property should already be set on the WebContents.
explicit WebDialogUI(content::WebUI* web_ui);
virtual ~WebDialogUI();
// Close the dialog, passing the specified arguments to the close handler.
void CloseDialog(const base::ListValue* args);
// Returns the PropertyBag accessor object used to write the delegate pointer
// into the WebContents (see class-level comment above).
static base::PropertyAccessor<WebDialogDelegate*>& GetPropertyAccessor();
private:
// WebUIController
virtual void RenderViewCreated(
content::RenderViewHost* render_view_host) OVERRIDE;
// JS message handler.
void OnDialogClosed(const base::ListValue* args);
DISALLOW_COPY_AND_ASSIGN(WebDialogUI);
};
// Displays external URL contents inside a modal web dialog.
//
// Intended to be the place to collect the settings and lockdowns
// necessary for running external UI components securely (e.g., the
// cloud print dialog).
class WEB_DIALOGS_EXPORT ExternalWebDialogUI : public WebDialogUI {
public:
explicit ExternalWebDialogUI(content::WebUI* web_ui);
virtual ~ExternalWebDialogUI();
};
} // namespace ui
#endif // UI_WEB_DIALOGS_WEB_DIALOG_UI_H_
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