MultiMonitor support

ui/aura/monitor_manager.h

 // 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.
 
 #ifndef UI_AURA_MONITOR_MANAGER_H_
 #define UI_AURA_MONITOR_MANAGER_H_
 #pragma once
 
+#include <string>
+
 #include "base/basictypes.h"
 #include "base/observer_list.h"
 #include "ui/aura/aura_export.h"
 
 namespace gfx {
 class Point;
 class Size;
 }
 
 namespace aura {
@@ skipping 10 matching lines @@
 
 // MonitorManager creates, deletes and updates Monitor objects when
 // monitor configuration changes, and notifies MonitorObservers about
 // the change. This is owned by Env and its lifetime is longer than
 // any windows.
 class AURA_EXPORT MonitorManager {
  public:
   MonitorManager();
   virtual ~MonitorManager();
 
+  static void set_use_fullscreen_host_window(bool use_fullscreen) {
+    use_fullscreen_host_window_ = use_fullscreen;
+  }
+  static bool use_fullscreen_host_window() {
+    return use_fullscreen_host_window_;
+  }
+
+  // Creates a monitor from string spec. 100+200-1440x800 creates monitor
+  // whose size is 1440x800 at the location (100, 200) in screen's coordinates.
+  // The location can be omitted and be just "1440x800", which creates
+  // monitor at the origin of the screen. An empty string creates
+  // the monitor with default size.
+  static Monitor* CreateMonitorFromSpec(const std::string& spec);
+
   // Adds/removes MonitorObservers.
   void AddObserver(MonitorObserver* observer);
   void RemoveObserver(MonitorObserver* observer);
 
   // Called when native window's monitor size has changed.
   // TODO(oshima): multiple monitor support.
   virtual void OnNativeMonitorResized(const gfx::Size& size) = 0;
 
   // Create a root window for primary monitor.
-  virtual RootWindow* CreateRootWindowForMonitor(const Monitor* monitor) = 0;
+  virtual RootWindow* CreateRootWindowForMonitor(Monitor* monitor) = 0;
 
   // Returns the monitor object nearest given |window|.
   virtual const Monitor* GetMonitorNearestWindow(
       const Window* window) const = 0;
   virtual Monitor* GetMonitorNearestWindow(const Window* window) = 0;
 
   // Returns the monitor object nearest given |pint|.
   virtual  const Monitor* GetMonitorNearestPoint(
       const gfx::Point& point) const = 0;
 
-  // Returns the monitor that is consiered "primary".
-  virtual const Monitor* GetPrimaryMonitor() const = 0;
+  // Returns the monitor at |index|. The monitor at 0 is consiered
+  // "primary".
+  virtual Monitor* GetMonitorAt(size_t index) = 0;
 
   virtual size_t GetNumMonitors() const = 0;
 
   // A utility function to create a root window for primary monitor.
   RootWindow* CreateRootWindowForPrimaryMonitor();
 
  protected:
   // Calls observers' OnMonitorBoundsChanged methods.
   void NotifyBoundsChanged(const Monitor* monitor);
 
  private:
+  // If set before the RootWindow is created, the host window will cover the
+  // entire monitor.  Note that this can still be overridden via the
+  // switches::kAuraHostWindowSize flag.
+  static bool use_fullscreen_host_window_;
+
   ObserverList<MonitorObserver> observers_;
-
   DISALLOW_COPY_AND_ASSIGN(MonitorManager);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_MONITOR_MANAGER_H_