Win7 Ash fullscreen mode

Currently we have a fixed 1600x900 size, but the end goal is to be similar to win8 metro mode. This patch makes the window fullscreen respecting the taskbar area.

If shift is held, starts at the old size so you can run a debugger next to it.

BUG=none
TEST=none

Review URL: https://codereview.chromium.org/303673006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@276913 0039d316-1c4b-4281-b951-d872f2087c98

win8/metro_driver/metro_driver_win7.cc

@@ -4,14 +4,22 @@
 
 #include "stdafx.h"
 #include <corewindow.h>
+#include <shobjidl.h>
 
 #include "base/logging.h"
 #include "ui/gfx/geometry/safe_integer_conversions.h"
 #include "ui/gfx/win/msg_util.h"
 
+#pragma comment(lib, "shell32.lib")
+
 EXTERN_C IMAGE_DOS_HEADER __ImageBase;
+// Even though we only create a single window, we need to keep this
+// count because of the hidden window used by the UI message loop of
+// the metro viewer.
 int g_window_count = 0;
 
+const wchar_t kAshWin7AppId[] = L"Google.Chrome.AshWin7.1";
+
 extern float GetModernUIScale();
 
 LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
@@ -43,7 +51,7 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
   return 0;
 }
 
-HWND CreateMetroTopLevelWindow() {
+HWND CreateMetroTopLevelWindow(const RECT& work_area) {
   HINSTANCE hInst = reinterpret_cast<HINSTANCE>(&__ImageBase);
   WNDCLASSEXW wcex;
   wcex.cbSize = sizeof(wcex);
@@ -52,18 +60,21 @@ HWND CreateMetroTopLevelWindow() {
   wcex.cbClsExtra         = 0;
   wcex.cbWndExtra         = 0;
   wcex.hInstance          = hInst;
-  wcex.hIcon              = 0;
+  wcex.hIcon              = LoadIcon(::GetModuleHandle(NULL), L"IDR_MAINFRAME");
   wcex.hCursor            = LoadCursor(NULL, IDC_ARROW);
   wcex.hbrBackground      = (HBRUSH)(COLOR_INACTIVECAPTION+1);
   wcex.lpszMenuName       = 0;
   wcex.lpszClassName      = L"Windows.UI.Core.CoreWindow";
-  wcex.hIconSm            = 0;
+  wcex.hIconSm            = LoadIcon(::GetModuleHandle(NULL), L"IDR_MAINFRAME");
+
+
 
   HWND hwnd = ::CreateWindowExW(0,
                                 MAKEINTATOM(::RegisterClassExW(&wcex)),
                                 L"metro_win7",
-                                WS_POPUP | WS_VISIBLE,
-                                0, 0, 1600, 900,
+                                WS_POPUP | WS_VISIBLE | WS_MINIMIZEBOX,
+                                work_area.top, work_area.left,
+                                work_area.right, work_area.bottom,
                                 NULL, NULL, hInst, NULL);
   return hwnd;
 }
@@ -566,7 +577,21 @@ class CoreWindowEmulation
         key_up_handler_(NULL),
         character_received_handler_(NULL) {
     dispatcher_ = mswr::Make<CoreDispatcherEmulation>(this);
-    core_hwnd_ = CreateMetroTopLevelWindow();
+
+    // Unless we select our own AppUserModelID the shell might confuse us
+    // with the app launcher one and we get the wrong taskbar button and icon.
+    ::SetCurrentProcessExplicitAppUserModelID(kAshWin7AppId);
+
+    RECT work_area = {0};
+    ::SystemParametersInfo(SPI_GETWORKAREA, 0, &work_area, 0);
+    if (::IsDebuggerPresent()) {
+      work_area.top = 0;
+      work_area.left = 0;
+      work_area.right = 1600;
+      work_area.bottom = 900;
+    }
+
+    core_hwnd_ = CreateMetroTopLevelWindow(work_area);
   }
 
   ~CoreWindowEmulation() {