Index: base/win/message_window.cc |
diff --git a/base/win/message_window.cc b/base/win/message_window.cc |
deleted file mode 100644 |
index 58010e4f376f7aca4ad4873435f4d252cb0967a9..0000000000000000000000000000000000000000 |
--- a/base/win/message_window.cc |
+++ /dev/null |
@@ -1,166 +0,0 @@ |
-// Copyright 2013 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 "base/win/message_window.h" |
- |
-#include "base/lazy_instance.h" |
-#include "base/logging.h" |
-#include "base/process/memory.h" |
-#include "base/profiler/scoped_tracker.h" |
-#include "base/win/wrapped_window_proc.h" |
- |
-const wchar_t kMessageWindowClassName[] = L"Chrome_MessageWindow"; |
- |
-namespace base { |
-namespace win { |
- |
-// Used along with LazyInstance to register a window class for message-only |
-// windows created by MessageWindow. |
-class MessageWindow::WindowClass { |
- public: |
- WindowClass(); |
- ~WindowClass(); |
- |
- ATOM atom() { return atom_; } |
- HINSTANCE instance() { return instance_; } |
- |
- private: |
- ATOM atom_; |
- HINSTANCE instance_; |
- |
- DISALLOW_COPY_AND_ASSIGN(WindowClass); |
-}; |
- |
-static LazyInstance<MessageWindow::WindowClass> g_window_class = |
- LAZY_INSTANCE_INITIALIZER; |
- |
-MessageWindow::WindowClass::WindowClass() |
- : atom_(0), |
- instance_(base::GetModuleFromAddress(&MessageWindow::WindowProc)) { |
- WNDCLASSEX window_class; |
- window_class.cbSize = sizeof(window_class); |
- window_class.style = 0; |
- window_class.lpfnWndProc = &base::win::WrappedWindowProc<WindowProc>; |
- window_class.cbClsExtra = 0; |
- window_class.cbWndExtra = 0; |
- window_class.hInstance = instance_; |
- window_class.hIcon = NULL; |
- window_class.hCursor = NULL; |
- window_class.hbrBackground = NULL; |
- window_class.lpszMenuName = NULL; |
- window_class.lpszClassName = kMessageWindowClassName; |
- window_class.hIconSm = NULL; |
- atom_ = RegisterClassEx(&window_class); |
- if (atom_ == 0) { |
- PLOG(ERROR) |
- << "Failed to register the window class for a message-only window"; |
- } |
-} |
- |
-MessageWindow::WindowClass::~WindowClass() { |
- if (atom_ != 0) { |
- BOOL result = UnregisterClass(MAKEINTATOM(atom_), instance_); |
- // Hitting this DCHECK usually means that some MessageWindow objects were |
- // leaked. For example not calling |
- // ui::Clipboard::DestroyClipboardForCurrentThread() results in a leaked |
- // MessageWindow. |
- DCHECK(result); |
- } |
-} |
- |
-MessageWindow::MessageWindow() |
- : window_(NULL) { |
-} |
- |
-MessageWindow::~MessageWindow() { |
- DCHECK(CalledOnValidThread()); |
- |
- if (window_ != NULL) { |
- BOOL result = DestroyWindow(window_); |
- DCHECK(result); |
- } |
-} |
- |
-bool MessageWindow::Create(const MessageCallback& message_callback) { |
- return DoCreate(message_callback, NULL); |
-} |
- |
-bool MessageWindow::CreateNamed(const MessageCallback& message_callback, |
- const string16& window_name) { |
- return DoCreate(message_callback, window_name.c_str()); |
-} |
- |
-// static |
-HWND MessageWindow::FindWindow(const string16& window_name) { |
- return FindWindowEx(HWND_MESSAGE, NULL, kMessageWindowClassName, |
- window_name.c_str()); |
-} |
- |
-bool MessageWindow::DoCreate(const MessageCallback& message_callback, |
- const wchar_t* window_name) { |
- DCHECK(CalledOnValidThread()); |
- DCHECK(message_callback_.is_null()); |
- DCHECK(!window_); |
- |
- message_callback_ = message_callback; |
- |
- WindowClass& window_class = g_window_class.Get(); |
- window_ = CreateWindow(MAKEINTATOM(window_class.atom()), window_name, 0, 0, 0, |
- 0, 0, HWND_MESSAGE, 0, window_class.instance(), this); |
- if (!window_) { |
- PLOG(ERROR) << "Failed to create a message-only window"; |
- return false; |
- } |
- |
- return true; |
-} |
- |
-// static |
-LRESULT CALLBACK MessageWindow::WindowProc(HWND hwnd, |
- UINT message, |
- WPARAM wparam, |
- LPARAM lparam) { |
- MessageWindow* self = reinterpret_cast<MessageWindow*>( |
- GetWindowLongPtr(hwnd, GWLP_USERDATA)); |
- |
- switch (message) { |
- // Set up the self before handling WM_CREATE. |
- case WM_CREATE: { |
- CREATESTRUCT* cs = reinterpret_cast<CREATESTRUCT*>(lparam); |
- self = reinterpret_cast<MessageWindow*>(cs->lpCreateParams); |
- |
- // Make |hwnd| available to the message handler. At this point the control |
- // hasn't returned from CreateWindow() yet. |
- self->window_ = hwnd; |
- |
- // Store pointer to the self to the window's user data. |
- SetLastError(ERROR_SUCCESS); |
- LONG_PTR result = SetWindowLongPtr( |
- hwnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(self)); |
- CHECK(result != 0 || GetLastError() == ERROR_SUCCESS); |
- break; |
- } |
- |
- // Clear the pointer to stop calling the self once WM_DESTROY is |
- // received. |
- case WM_DESTROY: { |
- SetLastError(ERROR_SUCCESS); |
- LONG_PTR result = SetWindowLongPtr(hwnd, GWLP_USERDATA, NULL); |
- CHECK(result != 0 || GetLastError() == ERROR_SUCCESS); |
- break; |
- } |
- } |
- |
- // Handle the message. |
- if (self) { |
- LRESULT message_result; |
- if (self->message_callback_.Run(message, wparam, lparam, &message_result)) |
- return message_result; |
- } |
- |
- return DefWindowProc(hwnd, message, wparam, lparam); |
-} |
- |
-} // namespace win |
-} // namespace base |