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// Copyright (c) 2010 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.
#include "chrome/browser/views/status_icons/status_tray_win.h"
#include "base/win_util.h"
#include "chrome/browser/views/status_icons/status_icon_win.h"
#include "chrome/common/chrome_constants.h"
static const UINT kStatusIconMessage = WM_APP + 1;
StatusTrayWin::StatusTrayWin()
: next_icon_id_(1) {
// Register our window class
HINSTANCE hinst = GetModuleHandle(NULL);
WNDCLASSEX wc = {0};
wc.cbSize = sizeof(wc);
wc.lpfnWndProc = StatusTrayWin::WndProcStatic;
wc.hInstance = hinst;
wc.lpszClassName = chrome::kStatusTrayWindowClass;
ATOM clazz = RegisterClassEx(&wc);
DCHECK(clazz);
// Create an offscreen window for handling messages for the status icons.
window_ = CreateWindow(chrome::kStatusTrayWindowClass,
0, 0, 0, 0, 0, 0, HWND_MESSAGE, 0, hinst, 0);
win_util::SetWindowUserData(window_, this);
}
LRESULT CALLBACK StatusTrayWin::WndProcStatic(HWND hwnd,
UINT message,
WPARAM wparam,
LPARAM lparam) {
StatusTrayWin* msg_wnd = reinterpret_cast<StatusTrayWin*>(
GetWindowLongPtr(hwnd, GWLP_USERDATA));
return msg_wnd->WndProc(hwnd, message, wparam, lparam);
}
LRESULT CALLBACK StatusTrayWin::WndProc(HWND hwnd,
UINT message,
WPARAM wparam,
LPARAM lparam) {
// TODO(atwilson): Add support for right clicks and context menu messages
// (tracked in http://crbug.com/37375).
switch (message) {
case kStatusIconMessage:
switch (lparam) {
case WM_LBUTTONDOWN:
// Walk our icons, find which one was clicked on, and invoke its
// DispatchClickEvent() method.
for (StatusIconMap::const_iterator iter = status_icons().begin();
iter != status_icons().end();
++iter) {
StatusIconWin* win_icon =
static_cast<StatusIconWin*>(iter->second);
if (win_icon->icon_id() == wparam)
win_icon->DispatchClickEvent();
}
return TRUE;
}
break;
}
return ::DefWindowProc(hwnd, message, wparam, lparam);
}
StatusTrayWin::~StatusTrayWin() {
if (window_)
DestroyWindow(window_);
UnregisterClass(chrome::kStatusTrayWindowClass, GetModuleHandle(NULL));
}
StatusIcon* StatusTrayWin::CreateStatusIcon() {
return new StatusIconWin(next_icon_id_++, window_, kStatusIconMessage);
}
StatusTray* StatusTray::Create() {
return new StatusTrayWin();
}
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