electron/shell/browser/ui/win/taskbar_host.h
2019-06-19 17:33:28 -07:00

83 lines
2.1 KiB
C++

// Copyright (c) 2015 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ATOM_BROWSER_UI_WIN_TASKBAR_HOST_H_
#define ATOM_BROWSER_UI_WIN_TASKBAR_HOST_H_
#include <shobjidl.h>
#include <wrl/client.h>
#include <map>
#include <string>
#include <vector>
#include "atom/browser/native_window.h"
#include "base/callback.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/image/image.h"
namespace atom {
class TaskbarHost {
public:
struct ThumbarButton {
std::string tooltip;
gfx::Image icon;
std::vector<std::string> flags;
base::Closure clicked_callback;
ThumbarButton();
ThumbarButton(const ThumbarButton&);
~ThumbarButton();
};
TaskbarHost();
virtual ~TaskbarHost();
// Add or update the buttons in thumbar.
bool SetThumbarButtons(HWND window,
const std::vector<ThumbarButton>& buttons);
void RestoreThumbarButtons(HWND window);
// Set the progress state in taskbar.
bool SetProgressBar(HWND window,
double value,
const NativeWindow::ProgressState state);
// Set the overlay icon in taskbar.
bool SetOverlayIcon(HWND window,
const gfx::Image& overlay,
const std::string& text);
// Set the region of the window to show as a thumbnail in taskbar.
bool SetThumbnailClip(HWND window, const gfx::Rect& region);
// Set the tooltip for the thumbnail in taskbar.
bool SetThumbnailToolTip(HWND window, const std::string& tooltip);
// Called by the window that there is a button in thumbar clicked.
bool HandleThumbarButtonEvent(int button_id);
private:
// Initialize the taskbar object.
bool InitializeTaskbar();
using CallbackMap = std::map<int, base::Closure>;
CallbackMap callback_map_;
std::vector<ThumbarButton> last_buttons_;
// The COM object of taskbar.
Microsoft::WRL::ComPtr<ITaskbarList3> taskbar_;
// Whether we have already added the buttons to thumbar.
bool thumbar_buttons_added_ = false;
DISALLOW_COPY_AND_ASSIGN(TaskbarHost);
};
} // namespace atom
#endif // ATOM_BROWSER_UI_WIN_TASKBAR_HOST_H_