content/shell/shell_win.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/shell/shell.h"
   6
   7 #include <commctrl.h>
   8 #include <fcntl.h>
   9 #include <io.h>
  10 #include <windows.h>
  11
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "base/win/wrapped_window_proc.h"
  14 #include "content/public/browser/web_contents.h"
  15 #include "content/public/browser/web_contents_view.h"
  16 #include "content/shell/app/resource.h"
  17 #include "ui/base/win/hwnd_util.h"
  18
  19 namespace {
  20
  21 const wchar_t kWindowTitle[] = L"Content Shell";
  22 const wchar_t kWindowClass[] = L"CONTENT_SHELL";
  23
  24 const int kButtonWidth = 72;
  25 const int kURLBarHeight = 24;
  26
  27 const int kMaxURLLength = 1024;
  28
  29 }  // namespace
  30
  31 namespace content {
  32
  33 HINSTANCE Shell::instance_handle_;
  34
  35 void Shell::PlatformInitialize(const gfx::Size& default_window_size) {
  36   _setmode(_fileno(stdout), _O_BINARY);
  37   _setmode(_fileno(stderr), _O_BINARY);
  38   INITCOMMONCONTROLSEX InitCtrlEx;
  39   InitCtrlEx.dwSize = sizeof(INITCOMMONCONTROLSEX);
  40   InitCtrlEx.dwICC  = ICC_STANDARD_CLASSES;
  41   InitCommonControlsEx(&InitCtrlEx);
  42   RegisterWindowClass();
  43 }
  44
  45 void Shell::PlatformExit() {
  46   std::vector<Shell*> windows = windows_;
  47   for (std::vector<Shell*>::iterator it = windows.begin();
  48        it != windows.end(); ++it)
  49     DestroyWindow((*it)->window_);
  50 }
  51
  52 void Shell::PlatformCleanUp() {
  53   // When the window is destroyed, tell the Edit field to forget about us,
  54   // otherwise we will crash.
  55   ui::SetWindowProc(url_edit_view_, default_edit_wnd_proc_);
  56   ui::SetWindowUserData(url_edit_view_, NULL);
  57 }
  58
  59 void Shell::PlatformEnableUIControl(UIControl control, bool is_enabled) {
  60   int id;
  61   switch (control) {
  62     case BACK_BUTTON:
  63       id = IDC_NAV_BACK;
  64       break;
  65     case FORWARD_BUTTON:
  66       id = IDC_NAV_FORWARD;
  67       break;
  68     case STOP_BUTTON:
  69       id = IDC_NAV_STOP;
  70       break;
  71     default:
  72       NOTREACHED() << "Unknown UI control";
  73       return;
  74   }
  75   EnableWindow(GetDlgItem(window_, id), is_enabled);
  76 }
  77
  78 void Shell::PlatformSetAddressBarURL(const GURL& url) {
  79   std::wstring url_string = UTF8ToWide(url.spec());
  80   SendMessage(url_edit_view_, WM_SETTEXT, 0,
  81               reinterpret_cast<LPARAM>(url_string.c_str()));
  82 }
  83
  84 void Shell::PlatformSetIsLoading(bool loading) {
  85 }
  86
  87 void Shell::PlatformCreateWindow(int width, int height) {
  88   window_ = CreateWindow(kWindowClass, kWindowTitle,
  89                          WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
  90                          CW_USEDEFAULT, 0, CW_USEDEFAULT, 0,
  91                          NULL, NULL, instance_handle_, NULL);
  92   ui::SetWindowUserData(window_, this);
  93
  94   HWND hwnd;
  95   int x = 0;
  96
  97   hwnd = CreateWindow(L"BUTTON", L"Back",
  98                       WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON ,
  99                       x, 0, kButtonWidth, kURLBarHeight,
 100                       window_, (HMENU) IDC_NAV_BACK, instance_handle_, 0);
 101   x += kButtonWidth;
 102
 103   hwnd = CreateWindow(L"BUTTON", L"Forward",
 104                       WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON ,
 105                       x, 0, kButtonWidth, kURLBarHeight,
 106                       window_, (HMENU) IDC_NAV_FORWARD, instance_handle_, 0);
 107   x += kButtonWidth;
 108
 109   hwnd = CreateWindow(L"BUTTON", L"Reload",
 110                       WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON ,
 111                       x, 0, kButtonWidth, kURLBarHeight,
 112                       window_, (HMENU) IDC_NAV_RELOAD, instance_handle_, 0);
 113   x += kButtonWidth;
 114
 115   hwnd = CreateWindow(L"BUTTON", L"Stop",
 116                       WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON ,
 117                       x, 0, kButtonWidth, kURLBarHeight,
 118                       window_, (HMENU) IDC_NAV_STOP, instance_handle_, 0);
 119   x += kButtonWidth;
 120
 121   // This control is positioned by PlatformResizeSubViews.
 122   url_edit_view_ = CreateWindow(L"EDIT", 0,
 123                                 WS_CHILD | WS_VISIBLE | WS_BORDER | ES_LEFT |
 124                                 ES_AUTOVSCROLL | ES_AUTOHSCROLL,
 125                                 x, 0, 0, 0, window_, 0, instance_handle_, 0);
 126
 127   default_edit_wnd_proc_ = ui::SetWindowProc(url_edit_view_,
 128                                              Shell::EditWndProc);
 129   ui::SetWindowUserData(url_edit_view_, this);
 130
 131   ShowWindow(window_, SW_SHOW);
 132
 133   SizeTo(width, height);
 134 }
 135
 136 void Shell::PlatformSetContents() {
 137   SetParent(web_contents_->GetView()->GetNativeView(), window_);
 138 }
 139
 140 void Shell::SizeTo(int width, int height) {
 141   RECT rc, rw;
 142   GetClientRect(window_, &rc);
 143   GetWindowRect(window_, &rw);
 144
 145   int client_width = rc.right - rc.left;
 146   int window_width = rw.right - rw.left;
 147   window_width = (window_width - client_width) + width;
 148
 149   int client_height = rc.bottom - rc.top;
 150   int window_height = rw.bottom - rw.top;
 151   window_height = (window_height - client_height) + height;
 152
 153   // Add space for the url bar.
 154   window_height += kURLBarHeight;
 155
 156   SetWindowPos(window_, NULL, 0, 0, window_width, window_height,
 157                SWP_NOMOVE | SWP_NOZORDER);
 158 }
 159
 160 void Shell::PlatformResizeSubViews() {
 161   RECT rc;
 162   GetClientRect(window_, &rc);
 163
 164   int x = kButtonWidth * 4;
 165   MoveWindow(url_edit_view_, x, 0, rc.right - x, kURLBarHeight, TRUE);
 166
 167   MoveWindow(GetContentView(), 0, kURLBarHeight, rc.right,
 168              rc.bottom - kURLBarHeight, TRUE);
 169 }
 170
 171 void Shell::Close() {
 172   DestroyWindow(window_);
 173 }
 174
 175 ATOM Shell::RegisterWindowClass() {
 176   WNDCLASSEX window_class;
 177   base::win::InitializeWindowClass(
 178       kWindowClass,
 179       &Shell::WndProc,
 180       CS_HREDRAW | CS_VREDRAW,
 181       0,
 182       0,
 183       LoadCursor(NULL, IDC_ARROW),
 184       NULL,
 185       MAKEINTRESOURCE(IDC_CONTENTSHELL),
 186       NULL,
 187       NULL,
 188       &window_class);
 189   instance_handle_ = window_class.hInstance;
 190   return RegisterClassEx(&window_class);
 191 }
 192
 193 LRESULT CALLBACK Shell::WndProc(HWND hwnd, UINT message, WPARAM wParam,
 194                                 LPARAM lParam) {
 195   Shell* shell = static_cast<Shell*>(ui::GetWindowUserData(hwnd));
 196
 197   switch (message) {
 198     case WM_COMMAND: {
 199       int id = LOWORD(wParam);
 200       switch (id) {
 201         case IDM_NEW_WINDOW:
 202           CreateNewWindow(
 203               shell->web_contents()->GetBrowserContext(),
 204               GURL(), NULL, MSG_ROUTING_NONE, gfx::Size());
 205           break;
 206         case IDM_CLOSE_WINDOW:
 207           DestroyWindow(hwnd);
 208           break;
 209         case IDM_EXIT:
 210           PlatformExit();
 211           break;
 212         case IDM_SHOW_DEVELOPER_TOOLS:
 213           shell->ShowDevTools();
 214           break;
 215         case IDC_NAV_BACK:
 216           shell->GoBackOrForward(-1);
 217           break;
 218         case IDC_NAV_FORWARD:
 219           shell->GoBackOrForward(1);
 220           break;
 221         case IDC_NAV_RELOAD:
 222           shell->Reload();
 223           break;
 224         case IDC_NAV_STOP:
 225           shell->Stop();
 226           break;
 227       }
 228       break;
 229     }
 230     case WM_DESTROY: {
 231       delete shell;
 232       return 0;
 233     }
 234
 235     case WM_SIZE: {
 236       if (shell->GetContentView())
 237         shell->PlatformResizeSubViews();
 238       return 0;
 239     }
 240
 241     case WM_WINDOWPOSCHANGED: {
 242       // Notify the content view that the window position of its parent window
 243       // has been changed by sending window message
 244       gfx::NativeView native_view = shell->GetContentView();
 245       if (native_view) {
 246         SendMessage(native_view, message, wParam, lParam);
 247       }
 248       break;
 249    }
 250   }
 251
 252   return DefWindowProc(hwnd, message, wParam, lParam);
 253 }
 254
 255 LRESULT CALLBACK Shell::EditWndProc(HWND hwnd, UINT message,
 256                                     WPARAM wParam, LPARAM lParam) {
 257   Shell* shell = static_cast<Shell*>(ui::GetWindowUserData(hwnd));
 258
 259   switch (message) {
 260     case WM_CHAR:
 261       if (wParam == VK_RETURN) {
 262         wchar_t str[kMaxURLLength + 1];  // Leave room for adding a NULL;
 263         *(str) = kMaxURLLength;
 264         LRESULT str_len = SendMessage(hwnd, EM_GETLINE, 0, (LPARAM)str);
 265         if (str_len > 0) {
 266           str[str_len] = 0;  // EM_GETLINE doesn't NULL terminate.
 267           GURL url(str);
 268           if (!url.has_scheme())
 269             url = GURL(std::wstring(L"http://") + std::wstring(str));
 270           shell->LoadURL(url);
 271         }
 272
 273         return 0;
 274       }
 275   }
 276
 277   return CallWindowProc(shell->default_edit_wnd_proc_, hwnd, message, wParam,
 278                         lParam);
 279 }
 280
 281 void Shell::PlatformSetTitle(const string16& text) {
 282   ::SetWindowText(window_, text.c_str());
 283 }
 284
 285 }  // namespace content