Rename RootWindowHost to WindowTreeHost

chrome/browser/ui/views/frame/browser_desktop_root_window_host_win.cc

 // Copyright (c) 2012 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/ui/views/frame/browser_desktop_root_window_host_win.h"
 
 #include <dwmapi.h>
 
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/themes/theme_service.h"
@@ skipping 13 matching lines @@
 #pragma comment(lib, "dwmapi.lib")
 
 namespace {
 
 const int kClientEdgeThickness = 3;
 // We need to offset the DWMFrame into the toolbar so that the blackness
 // doesn't show up on our rounded corners.
 const int kDWMFrameTopOffset = 3;
 
 // DesktopThemeProvider maps resource ids using MapThemeImage(). This is
-// necessary for BrowserDesktopRootWindowHostWin so that it uses the windows
+// necessary for BrowserDesktopWindowTreeHostWin so that it uses the windows
 // theme images rather than the ash theme images.
 class DesktopThemeProvider : public ui::ThemeProvider {
  public:
   explicit DesktopThemeProvider(ui::ThemeProvider* delegate)
       : delegate_(delegate) {
   }
 
   virtual gfx::ImageSkia* GetImageSkiaNamed(int id) const OVERRIDE {
     return delegate_->GetImageSkiaNamed(
         chrome::MapThemeImage(chrome::HOST_DESKTOP_TYPE_NATIVE, id));
@@ skipping 20 matching lines @@
 
  private:
   ui::ThemeProvider* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopThemeProvider);
 };
 
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
-// BrowserDesktopRootWindowHostWin, public:
+// BrowserDesktopWindowTreeHostWin, public:
 
-BrowserDesktopRootWindowHostWin::BrowserDesktopRootWindowHostWin(
+BrowserDesktopWindowTreeHostWin::BrowserDesktopWindowTreeHostWin(
     views::internal::NativeWidgetDelegate* native_widget_delegate,
     views::DesktopNativeWidgetAura* desktop_native_widget_aura,
     BrowserView* browser_view,
     BrowserFrame* browser_frame)
-    : DesktopRootWindowHostWin(native_widget_delegate,
+    : DesktopWindowTreeHostWin(native_widget_delegate,
                                desktop_native_widget_aura),
       browser_view_(browser_view),
       browser_frame_(browser_frame),
       did_gdi_clear_(false) {
   scoped_ptr<ui::ThemeProvider> theme_provider(
       new DesktopThemeProvider(ThemeServiceFactory::GetForProfile(
                                    browser_view->browser()->profile())));
   browser_frame->SetThemeProvider(theme_provider.Pass());
 }
 
-BrowserDesktopRootWindowHostWin::~BrowserDesktopRootWindowHostWin() {
+BrowserDesktopWindowTreeHostWin::~BrowserDesktopWindowTreeHostWin() {
 }
 
-views::NativeMenuWin* BrowserDesktopRootWindowHostWin::GetSystemMenu() {
+views::NativeMenuWin* BrowserDesktopWindowTreeHostWin::GetSystemMenu() {
   if (!system_menu_.get()) {
     SystemMenuInsertionDelegateWin insertion_delegate;
     system_menu_.reset(
         new views::NativeMenuWin(browser_frame_->GetSystemMenuModel(),
                                  GetHWND()));
     system_menu_->Rebuild(&insertion_delegate);
   }
   return system_menu_.get();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// BrowserDesktopRootWindowHostWin, BrowserDesktopRootWindowHost implementation:
+// BrowserDesktopWindowTreeHostWin, BrowserDesktopWindowTreeHost implementation:
 
-views::DesktopRootWindowHost*
-    BrowserDesktopRootWindowHostWin::AsDesktopRootWindowHost() {
+views::DesktopWindowTreeHost*
+    BrowserDesktopWindowTreeHostWin::AsDesktopWindowTreeHost() {
   return this;
 }
 
-int BrowserDesktopRootWindowHostWin::GetMinimizeButtonOffset() const {
+int BrowserDesktopWindowTreeHostWin::GetMinimizeButtonOffset() const {
   return minimize_button_metrics_.GetMinimizeButtonOffsetX();
 }
 
-bool BrowserDesktopRootWindowHostWin::UsesNativeSystemMenu() const {
+bool BrowserDesktopWindowTreeHostWin::UsesNativeSystemMenu() const {
   return true;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// BrowserDesktopRootWindowHostWin, views::DesktopRootWindowHostWin overrides:
+// BrowserDesktopWindowTreeHostWin, views::DesktopWindowTreeHostWin overrides:
 
-int BrowserDesktopRootWindowHostWin::GetInitialShowState() const {
+int BrowserDesktopWindowTreeHostWin::GetInitialShowState() const {
   STARTUPINFO si = {0};
   si.cb = sizeof(si);
   si.dwFlags = STARTF_USESHOWWINDOW;
   GetStartupInfo(&si);
   return si.wShowWindow;
 }
 
-bool BrowserDesktopRootWindowHostWin::GetClientAreaInsets(
+bool BrowserDesktopWindowTreeHostWin::GetClientAreaInsets(
     gfx::Insets* insets) const {
   // Use the default client insets for an opaque frame or a glass popup/app
   // frame.
   if (!GetWidget()->ShouldUseNativeFrame() ||
       !browser_view_->IsBrowserTypeNormal()) {
     return false;
   }
 
   int border_thickness = GetSystemMetrics(SM_CXSIZEFRAME);
   // In fullscreen mode, we have no frame. In restored mode, we draw our own
   // client edge over part of the default frame.
   if (GetWidget()->IsFullscreen())
     border_thickness = 0;
   else if (!IsMaximized())
     border_thickness -= kClientEdgeThickness;
   insets->Set(0, border_thickness, border_thickness, border_thickness);
   return true;
 }
 
-void BrowserDesktopRootWindowHostWin::HandleCreate() {
-  DesktopRootWindowHostWin::HandleCreate();
+void BrowserDesktopWindowTreeHostWin::HandleCreate() {
+  DesktopWindowTreeHostWin::HandleCreate();
   browser_window_property_manager_ =
       BrowserWindowPropertyManager::CreateBrowserWindowPropertyManager(
           browser_view_);
   if (browser_window_property_manager_)
     browser_window_property_manager_->UpdateWindowProperties(GetHWND());
 }
 
-void BrowserDesktopRootWindowHostWin::HandleFrameChanged() {
+void BrowserDesktopWindowTreeHostWin::HandleFrameChanged() {
   // Reinitialize the status bubble, since it needs to be initialized
   // differently depending on whether or not DWM composition is enabled
   browser_view_->InitStatusBubble();
 
   // We need to update the glass region on or off before the base class adjusts
   // the window region.
   UpdateDWMFrame();
-  DesktopRootWindowHostWin::HandleFrameChanged();
+  DesktopWindowTreeHostWin::HandleFrameChanged();
 }
 
-bool BrowserDesktopRootWindowHostWin::PreHandleMSG(UINT message,
+bool BrowserDesktopWindowTreeHostWin::PreHandleMSG(UINT message,
                                                    WPARAM w_param,
                                                    LPARAM l_param,
                                                    LRESULT* result) {
   switch (message) {
     case WM_ACTIVATE:
       if (LOWORD(w_param) != WA_INACTIVE)
         minimize_button_metrics_.OnHWNDActivated();
       return false;
     case WM_ENDSESSION:
       chrome::SessionEnding();
       return true;
     case WM_INITMENUPOPUP:
       GetSystemMenu()->UpdateStates();
       return true;
   }
-  return DesktopRootWindowHostWin::PreHandleMSG(
+  return DesktopWindowTreeHostWin::PreHandleMSG(
       message, w_param, l_param, result);
 }
 
-void BrowserDesktopRootWindowHostWin::PostHandleMSG(UINT message,
+void BrowserDesktopWindowTreeHostWin::PostHandleMSG(UINT message,
                                                     WPARAM w_param,
                                                     LPARAM l_param) {
   switch (message) {
   case WM_CREATE:
     minimize_button_metrics_.Init(GetHWND());
     break;
   case WM_WINDOWPOSCHANGED: {
     UpdateDWMFrame();
 
     // Windows lies to us about the position of the minimize button before a
     // window is visible.  We use this position to place the OTR avatar in RTL
     // mode, so when the window is shown, we need to re-layout and schedule a
     // paint for the non-client frame view so that the icon top has the correct
     // position when the window becomes visible.  This fixes bugs where the icon
     // appears to overlay the minimize button.
     // Note that we will call Layout every time SetWindowPos is called with
     // SWP_SHOWWINDOW, however callers typically are careful about not
     // specifying this flag unless necessary to avoid flicker.
     // This may be invoked during creation on XP and before the non_client_view
     // has been created.
     WINDOWPOS* window_pos = reinterpret_cast<WINDOWPOS*>(l_param);
     if (window_pos->flags & SWP_SHOWWINDOW && GetWidget()->non_client_view()) {
       GetWidget()->non_client_view()->Layout();
       GetWidget()->non_client_view()->SchedulePaint();
     }
     break;
   }
   case WM_ERASEBKGND:
-    if (!did_gdi_clear_ && DesktopRootWindowHostWin::ShouldUseNativeFrame()) {
+    if (!did_gdi_clear_ && DesktopWindowTreeHostWin::ShouldUseNativeFrame()) {
       // This is necessary to avoid white flashing in the titlebar area around
       // the minimize/maximize/close buttons.
       HDC dc = GetDC(GetHWND());
       MARGINS margins = GetDWMFrameMargins();
       RECT client_rect;
       GetClientRect(GetHWND(), &client_rect);
       HBRUSH brush = CreateSolidBrush(0);
       RECT rect = { 0, 0, client_rect.right, margins.cyTopHeight };
       FillRect(dc, &rect, brush);
       DeleteObject(brush);
       ReleaseDC(GetHWND(), dc);
       did_gdi_clear_ = true;
     }
     break;
   }
 }
 
 
-bool BrowserDesktopRootWindowHostWin::IsUsingCustomFrame() const {
+bool BrowserDesktopWindowTreeHostWin::IsUsingCustomFrame() const {
   // We don't theme popup or app windows, so regardless of whether or not a
   // theme is active for normal browser windows, we don't want to use the custom
   // frame for popups/apps.
   if (!browser_view_->IsBrowserTypeNormal() &&
-      !DesktopRootWindowHostWin::IsUsingCustomFrame()) {
+      !DesktopWindowTreeHostWin::IsUsingCustomFrame()) {
     return false;
   }
 
   // Otherwise, we use the native frame when we're told we should by the theme
   // provider (e.g. no custom theme is active).
   return !GetWidget()->GetThemeProvider()->ShouldUseNativeFrame();
 }
 
-bool BrowserDesktopRootWindowHostWin::ShouldUseNativeFrame() {
-  if (!views::DesktopRootWindowHostWin::ShouldUseNativeFrame())
+bool BrowserDesktopWindowTreeHostWin::ShouldUseNativeFrame() {
+  if (!views::DesktopWindowTreeHostWin::ShouldUseNativeFrame())
     return false;
   // This function can get called when the Browser window is closed i.e. in the
   // context of the BrowserView destructor.
   if (!browser_view_->browser())
     return false;
   return chrome::ShouldUseNativeFrame(browser_view_,
                                       GetWidget()->GetThemeProvider());
 }
 
-void BrowserDesktopRootWindowHostWin::FrameTypeChanged() {
-  views::DesktopRootWindowHostWin::FrameTypeChanged();
+void BrowserDesktopWindowTreeHostWin::FrameTypeChanged() {
+  views::DesktopWindowTreeHostWin::FrameTypeChanged();
   did_gdi_clear_ = false;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// BrowserDesktopRootWindowHostWin, private:
+// BrowserDesktopWindowTreeHostWin, private:
 
-void BrowserDesktopRootWindowHostWin::UpdateDWMFrame() {
+void BrowserDesktopWindowTreeHostWin::UpdateDWMFrame() {
   // For "normal" windows on Aero, we always need to reset the glass area
   // correctly, even if we're not currently showing the native frame (e.g.
   // because a theme is showing), so we explicitly check for that case rather
   // than checking browser_frame_->ShouldUseNativeFrame() here.  Using that here
   // would mean we wouldn't reset the glass area to zero when moving from the
   // native frame to an opaque frame, leading to graphical glitches behind the
   // opaque frame.  Instead, we use that function below to tell us whether the
   // frame is currently native or opaque.
   if (!GetWidget()->client_view() || !browser_view_->IsBrowserTypeNormal() ||
-      !DesktopRootWindowHostWin::ShouldUseNativeFrame())
+      !DesktopWindowTreeHostWin::ShouldUseNativeFrame())
     return;
 
   MARGINS margins = GetDWMFrameMargins();
 
   DwmExtendFrameIntoClientArea(GetHWND(), &margins);
 }
 
-MARGINS BrowserDesktopRootWindowHostWin::GetDWMFrameMargins() const {
+MARGINS BrowserDesktopWindowTreeHostWin::GetDWMFrameMargins() const {
   MARGINS margins = { 0 };
 
   // If the opaque frame is visible, we use the default (zero) margins.
   // Otherwise, we need to figure out how to extend the glass in.
   if (GetWidget()->ShouldUseNativeFrame()) {
     // In fullscreen mode, we don't extend glass into the client area at all,
     // because the GDI-drawn text in the web content composited over it will
     // become semi-transparent over any glass area.
     if (!IsMaximized() && !GetWidget()->IsFullscreen()) {
       margins.cxLeftWidth = kClientEdgeThickness + 1;
       margins.cxRightWidth = kClientEdgeThickness + 1;
       margins.cyBottomHeight = kClientEdgeThickness + 1;
       margins.cyTopHeight = kClientEdgeThickness + 1;
     }
     // In maximized mode, we only have a titlebar strip of glass, no side/bottom
     // borders.
     if (!browser_view_->IsFullscreen()) {
       gfx::Rect tabstrip_bounds(
           browser_frame_->GetBoundsForTabStrip(browser_view_->tabstrip()));
       tabstrip_bounds = gfx::win::DIPToScreenRect(tabstrip_bounds);
       margins.cyTopHeight = tabstrip_bounds.bottom() + kDWMFrameTopOffset;
     }
   }
   return margins;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// BrowserDesktopRootWindowHost, public:
+// BrowserDesktopWindowTreeHost, public:
 
 // static
-BrowserDesktopRootWindowHost*
-    BrowserDesktopRootWindowHost::CreateBrowserDesktopRootWindowHost(
+BrowserDesktopWindowTreeHost*
+    BrowserDesktopWindowTreeHost::CreateBrowserDesktopWindowTreeHost(
         views::internal::NativeWidgetDelegate* native_widget_delegate,
         views::DesktopNativeWidgetAura* desktop_native_widget_aura,
         BrowserView* browser_view,
         BrowserFrame* browser_frame) {
-  return new BrowserDesktopRootWindowHostWin(native_widget_delegate,
+  return new BrowserDesktopWindowTreeHostWin(native_widget_delegate,
                                              desktop_native_widget_aura,
                                              browser_view,
                                              browser_frame);
 }