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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 CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_SET_WALLPAPER_OPTIONS_HANDLER2_H_
#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_SET_WALLPAPER_OPTIONS_HANDLER2_H_
#include "ash/desktop_background/desktop_background_resources.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ui/select_file_dialog.h"
#include "chrome/browser/ui/webui/options2/options_ui2.h"
#include "ui/gfx/native_widget_types.h"
namespace base {
class DictionaryValue;
class ListValue;
}
namespace chromeos {
class WallpaperDelegate {
public:
// Call javascript function to add/update custom wallpaper thumbnail in
// picker UI.
virtual void SetCustomWallpaperThumbnail() = 0;
protected:
virtual ~WallpaperDelegate() {}
};
namespace options2 {
// ChromeOS user image options page UI handler.
class SetWallpaperOptionsHandler : public ::options2::OptionsPageUIHandler,
public SelectFileDialog::Listener,
public WallpaperDelegate {
public:
SetWallpaperOptionsHandler();
virtual ~SetWallpaperOptionsHandler();
// OptionsPageUIHandler implementation.
virtual void GetLocalizedValues(
base::DictionaryValue* localized_strings) OVERRIDE;
// WebUIMessageHandler implementation.
virtual void RegisterMessages() OVERRIDE;
// WallpaperDelegate implementation.
virtual void SetCustomWallpaperThumbnail() OVERRIDE;
private:
// SelectFileDialog::Delegate implementation.
virtual void FileSelected(const FilePath& path, int index,
void* params) OVERRIDE;
// Sends list of available default images to the page.
void SendDefaultImages();
// Sends layout options for custom wallpaper. Only exposes CENTER,
// CENTER_CROPPED, STRETCH to users. Set the selected option to specified
// |layout|.
void SendLayoutOptions(ash::WallpaperLayout layout);
// Handles page initialized event.
void HandlePageInitialized(const base::ListValue* args);
// Handles page shown event.
void HandlePageShown(const base::ListValue* args);
// Opens a file selection dialog to choose user image from file.
void HandleChooseFile(const base::ListValue* args);
// Redraws the wallpaper with specified wallpaper layout.
void HandleLayoutChanged(const base::ListValue* args);
// Selects one of the available default wallpapers.
void HandleDefaultWallpaper(const base::ListValue* args);
// Sets user wallpaper to the next one in the list of default wallpapers.
void HandleDailyWallpaper(const base::ListValue* args);
// Returns handle to browser window or NULL if it can't be found.
gfx::NativeWindow GetBrowserWindow() const;
// Shows a dialog box for selecting a file.
scoped_refptr<SelectFileDialog> select_file_dialog_;
base::WeakPtrFactory<SetWallpaperOptionsHandler> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(SetWallpaperOptionsHandler);
};
} // namespace options2
} // namespace chromeos
#endif // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_SET_WALLPAPER_OPTIONS_HANDLER2_H_
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