Basic metro snap view omnibox.

chrome/browser/ui/views/location_bar/location_bar_view.cc

Index: chrome/browser/ui/views/location_bar/location_bar_view.cc
diff --git a/chrome/browser/ui/views/location_bar/location_bar_view.cc b/chrome/browser/ui/views/location_bar/location_bar_view.cc
index 9431a0d7b908239da0419154ae75402a39f80c39..1f27d6ad60adad6f877f0003fc8a93812c8403b5 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.cc
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.cc
@@ -77,6 +77,7 @@
 #include "ui/views/widget/widget.h"
 
 #if defined(OS_WIN) && !defined(USE_AURA)
+#include "base/win/metro.h"
 #include "chrome/browser/ui/views/omnibox/omnibox_view_win.h"
 #endif
 
@@ -245,8 +246,13 @@ void LocationBarView::Init(views::View* popup_parent_view) {
 
   // URL edit field.
   // View container for URL edit field.
+  OmniboxWindowMode omnibox_window_mode =
+      (mode_ == POPUP) ? OMNIBOX_WINDOW_MODE_POPUP :
+      (mode_ == METRO_SNAP) ? OMNIBOX_WINDOW_MODE_DISABLED :
+                              OMNIBOX_WINDOW_MODE_NORMAL;
+
   location_entry_.reset(CreateOmniboxView(this, model_, profile_,
-      command_updater_, mode_ == POPUP, this, popup_parent_view));
+      command_updater_, omnibox_window_mode, this, popup_parent_view));
   SetLocationEntryFocusable(true);
 
   location_entry_view_ = location_entry_->AddToView(this);
@@ -587,8 +593,12 @@ gfx::Size LocationBarView::GetPreferredSize() {
         location_entry_->GetFont()));
   int delta = chrome::search::IsInstantExtendedAPIEnabled(profile_) ?
       kSearchEditHeightPadding : 0;
-  return gfx::Size(0, GetThemeProvider()->GetImageSkiaNamed(mode_ == POPUP ?
-      IDR_LOCATIONBG_POPUPMODE_CENTER : IDR_LOCATIONBG_C)->height() + delta);
+
+  int image_id = (mode_ == POPUP || mode_ == METRO_SNAP) ?
+      IDR_LOCATIONBG_POPUPMODE_CENTER : IDR_LOCATIONBG_C;
+  return gfx::Size(
+      0,
+      GetThemeProvider()->GetImageSkiaNamed(image_id)->height() + delta);
 }
 
 void LocationBarView::Layout() {
@@ -618,7 +628,7 @@ void LocationBarView::Layout() {
 
   // The edge stroke is 1 px thick.  In popup mode, the edges are drawn by the
   // omnibox' parent, so there isn't any edge to account for at all.
-  const int kEdgeThickness = (mode_ == NORMAL) ?
+  const int kEdgeThickness = (mode_ == NORMAL || mode_ == METRO_SNAP) ?
       kNormalHorizontalEdgeThickness : 0;
   // The edit has 1 px of horizontal whitespace inside it before the text.
   const int kEditInternalSpace = 1;
@@ -877,7 +887,7 @@ void LocationBarView::OnPaint(gfx::Canvas* canvas) {
 
   if (painter_.get()) {
     painter_->Paint(canvas, size());
-  } else if (mode_ == POPUP) {
+  } else if (mode_ == POPUP || mode_ == METRO_SNAP) {
     canvas->TileImageInt(*GetThemeProvider()->GetImageSkiaNamed(
         IDR_LOCATIONBG_POPUPMODE_CENTER), 0, 0, 0, 0, width(), height());
   }
@@ -1171,6 +1181,20 @@ void LocationBarView::RefreshPageActionViews() {
 
 #if defined(OS_WIN) && !defined(USE_AURA)
 void LocationBarView::OnMouseEvent(const views::MouseEvent& event, UINT msg) {
+  // Attempt to unsnap if we're in metro snap mode.
+  if (mode_ == METRO_SNAP) {
+    HMODULE metro = base::win::GetMetroModule();
+    if (metro) {
+      base::win::MetroUnsnapFn metro_unsnap_fn =
+          reinterpret_cast<base::win::MetroUnsnapFn>(
+              ::GetProcAddress(metro, "MetroUnsnap"));
+      if (metro_unsnap_fn) {
+        metro_unsnap_fn();
+        return;
+      }
+    }
+  }
+
   OmniboxViewWin* omnibox_win = GetOmniboxViewWin(location_entry_.get());
   if (omnibox_win) {
     UINT flags = event.native_event().wParam;