Stick windows to sides of workspaces

ash/wm/drag_window_resizer.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 "ash/wm/drag_window_resizer.h"
 
+#include "ash/ash_switches.h"
 #include "ash/display/mouse_cursor_event_filter.h"
 #include "ash/screen_ash.h"
 #include "ash/shell.h"
 #include "ash/wm/coordinate_conversion.h"
+#include "ash/wm/dock/dock_layout_manager.h"
 #include "ash/wm/drag_window_controller.h"
 #include "ash/wm/property_util.h"
+#include "base/command_line.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/env.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/gfx/screen.h"
 
 namespace ash {
@@ skipping 82 matching lines @@
   const gfx::Display dst_display =
       screen->GetDisplayNearestPoint(last_mouse_location_in_screen);
 
   if (dst_display.id() !=
       screen->GetDisplayNearestWindow(GetTarget()->GetRootWindow()).id()) {
     const gfx::Rect dst_bounds =
         ScreenAsh::ConvertRectToScreen(GetTarget()->parent(),
                                        GetTarget()->bounds());
     GetTarget()->SetBoundsInScreen(dst_bounds, dst_display);
   }
+  if ((details_.bounds_change & WindowResizer::kBoundsChange_Repositions) &&
+      CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshEnableDockedWindows)) {
+    SetDockEdge(GetTarget(), DockLayoutManager::FindDockEdge(GetTarget()));
+  }
 }
 
 void DragWindowResizer::RevertDrag() {
   next_window_resizer_->RevertDrag();
 
   drag_window_controller_.reset();
   GetTarget()->layer()->SetOpacity(details_.initial_opacity);
 }
 
 aura::Window* DragWindowResizer::GetTarget() {
@@ skipping 65 matching lines @@
 
 bool DragWindowResizer::ShouldAllowMouseWarp() {
   return (details_.window_component == HTCAPTION) &&
       !GetTarget()->transient_parent() &&
       (GetTarget()->type() == aura::client::WINDOW_TYPE_NORMAL ||
        GetTarget()->type() == aura::client::WINDOW_TYPE_PANEL);
 }
 
 }  // namespace internal
 }  // namespace ash