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notify_icon.cc
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notify_icon.cc
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// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/ui/win/notify_icon.h"
#include "atom/browser/ui/win/notify_icon_host.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/win/windows_version.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/display/screen.h"
#include "ui/display/win/screen_win.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/image/image.h"
#include "ui/views/controls/menu/menu_runner.h"
#include "ui/views/widget/widget.h"
namespace atom {
NotifyIcon::NotifyIcon(NotifyIconHost* host, UINT id, HWND window, UINT message)
: host_(host),
icon_id_(id),
window_(window),
message_id_(message),
weak_factory_(this) {
NOTIFYICONDATA icon_data;
InitIconData(&icon_data);
icon_data.uFlags |= NIF_MESSAGE;
icon_data.uCallbackMessage = message_id_;
BOOL result = Shell_NotifyIcon(NIM_ADD, &icon_data);
// This can happen if the explorer process isn't running when we try to
// create the icon for some reason (for example, at startup).
if (!result)
LOG(WARNING) << "Unable to create status tray icon.";
}
NotifyIcon::~NotifyIcon() {
// Remove our icon.
host_->Remove(this);
NOTIFYICONDATA icon_data;
InitIconData(&icon_data);
Shell_NotifyIcon(NIM_DELETE, &icon_data);
}
void NotifyIcon::HandleClickEvent(int modifiers,
bool left_mouse_click,
bool double_button_click) {
gfx::Rect bounds = GetBounds();
if (left_mouse_click) {
if (double_button_click) // double left click
NotifyDoubleClicked(bounds, modifiers);
else // single left click
NotifyClicked(bounds,
display::Screen::GetScreen()->GetCursorScreenPoint(),
modifiers);
return;
} else if (!double_button_click) { // single right click
if (menu_model_)
PopUpContextMenu(gfx::Point(), menu_model_);
else
NotifyRightClicked(bounds, modifiers);
}
}
void NotifyIcon::ResetIcon() {
NOTIFYICONDATA icon_data;
InitIconData(&icon_data);
// Delete any previously existing icon.
Shell_NotifyIcon(NIM_DELETE, &icon_data);
InitIconData(&icon_data);
icon_data.uFlags |= NIF_MESSAGE;
icon_data.uCallbackMessage = message_id_;
icon_data.hIcon = icon_.get();
// If we have an image, then set the NIF_ICON flag, which tells
// Shell_NotifyIcon() to set the image for the status icon it creates.
if (icon_data.hIcon)
icon_data.uFlags |= NIF_ICON;
// Re-add our icon.
BOOL result = Shell_NotifyIcon(NIM_ADD, &icon_data);
if (!result)
LOG(WARNING) << "Unable to re-create status tray icon.";
}
void NotifyIcon::SetImage(HICON image) {
icon_ = base::win::ScopedHICON(CopyIcon(image));
// Create the icon.
NOTIFYICONDATA icon_data;
InitIconData(&icon_data);
icon_data.uFlags |= NIF_ICON;
icon_data.hIcon = image;
BOOL result = Shell_NotifyIcon(NIM_MODIFY, &icon_data);
if (!result)
LOG(WARNING) << "Error setting status tray icon image";
}
void NotifyIcon::SetPressedImage(HICON image) {
// Ignore pressed images, since the standard on Windows is to not highlight
// pressed status icons.
}
void NotifyIcon::SetToolTip(const std::string& tool_tip) {
// Create the icon.
NOTIFYICONDATA icon_data;
InitIconData(&icon_data);
icon_data.uFlags |= NIF_TIP;
wcsncpy_s(icon_data.szTip, base::UTF8ToUTF16(tool_tip).c_str(), _TRUNCATE);
BOOL result = Shell_NotifyIcon(NIM_MODIFY, &icon_data);
if (!result)
LOG(WARNING) << "Unable to set tooltip for status tray icon";
}
void NotifyIcon::DisplayBalloon(HICON icon,
const base::string16& title,
const base::string16& contents) {
NOTIFYICONDATA icon_data;
InitIconData(&icon_data);
icon_data.uFlags |= NIF_INFO;
icon_data.dwInfoFlags = NIIF_INFO;
wcsncpy_s(icon_data.szInfoTitle, title.c_str(), _TRUNCATE);
wcsncpy_s(icon_data.szInfo, contents.c_str(), _TRUNCATE);
icon_data.uTimeout = 0;
icon_data.hBalloonIcon = icon;
icon_data.dwInfoFlags = NIIF_USER | NIIF_LARGE_ICON;
BOOL result = Shell_NotifyIcon(NIM_MODIFY, &icon_data);
if (!result)
LOG(WARNING) << "Unable to create status tray balloon.";
}
void NotifyIcon::PopUpContextMenu(const gfx::Point& pos,
AtomMenuModel* menu_model) {
// Returns if context menu isn't set.
if (menu_model == nullptr && menu_model_ == nullptr)
return;
// Set our window as the foreground window, so the context menu closes when
// we click away from it.
if (!SetForegroundWindow(window_))
return;
// Cancel current menu if there is one.
if (menu_runner_ && menu_runner_->IsRunning())
menu_runner_->Cancel();
// Show menu at mouse's position by default.
gfx::Rect rect(pos, gfx::Size());
if (pos.IsOrigin())
rect.set_origin(display::Screen::GetScreen()->GetCursorScreenPoint());
// Create a widget for the menu, otherwise we get no keyboard events, which
// is required for accessibility.
widget_.reset(new views::Widget());
views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
params.ownership =
views::Widget::InitParams::Ownership::WIDGET_OWNS_NATIVE_WIDGET;
params.bounds = gfx::Rect(0, 0, 0, 0);
params.force_software_compositing = true;
widget_->Init(params);
widget_->Show();
widget_->Activate();
menu_runner_.reset(new views::MenuRunner(
menu_model != nullptr ? menu_model : menu_model_,
views::MenuRunner::CONTEXT_MENU | views::MenuRunner::HAS_MNEMONICS,
base::Bind(&NotifyIcon::OnContextMenuClosed,
weak_factory_.GetWeakPtr())));
menu_runner_->RunMenuAt(widget_.get(), NULL, rect, views::MENU_ANCHOR_TOPLEFT,
ui::MENU_SOURCE_MOUSE);
}
void NotifyIcon::SetContextMenu(AtomMenuModel* menu_model) {
menu_model_ = menu_model;
}
gfx::Rect NotifyIcon::GetBounds() {
NOTIFYICONIDENTIFIER icon_id;
memset(&icon_id, 0, sizeof(NOTIFYICONIDENTIFIER));
icon_id.uID = icon_id_;
icon_id.hWnd = window_;
icon_id.cbSize = sizeof(NOTIFYICONIDENTIFIER);
RECT rect = {0};
Shell_NotifyIconGetRect(&icon_id, &rect);
return display::win::ScreenWin::ScreenToDIPRect(window_, gfx::Rect(rect));
}
void NotifyIcon::InitIconData(NOTIFYICONDATA* icon_data) {
memset(icon_data, 0, sizeof(NOTIFYICONDATA));
icon_data->cbSize = sizeof(NOTIFYICONDATA);
icon_data->hWnd = window_;
icon_data->uID = icon_id_;
}
void NotifyIcon::OnContextMenuClosed() {
widget_->Close();
}
} // namespace atom