MultiMonitor support

ui/aura/monitor_manager.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 "ui/aura/monitor_manager.h"
 
+#include <stdio.h>
+
+#include "ui/aura/monitor.h"
+#include "ui/aura/root_window_host.h"
+#include "ui/gfx/rect.h"
+
 namespace aura {
+namespace {
+// Default bounds for a monitor.
+static const int kDefaultHostWindowX = 200;
+static const int kDefaultHostWindowY = 200;
+static const int kDefaultHostWindowWidth = 1280;
+static const int kDefaultHostWindowHeight = 1024;
+}  // namespace
+
+bool MonitorManager::use_fullscreen_host_window_ = false;
 
 MonitorManager::MonitorManager() {
 }
 
 MonitorManager::~MonitorManager() {
 }
 
 void MonitorManager::AddObserver(MonitorObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void MonitorManager::RemoveObserver(MonitorObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 RootWindow* MonitorManager::CreateRootWindowForPrimaryMonitor() {
-  return CreateRootWindowForMonitor(GetPrimaryMonitor());
+  return CreateRootWindowForMonitor(GetMonitorAt(0));
 }
 
 void MonitorManager::NotifyBoundsChanged(const Monitor* monitor) {
   FOR_EACH_OBSERVER(MonitorObserver, observers_,
                     OnMonitorBoundsChanged(monitor));
 }
 
+Monitor* MonitorManager::CreateMonitorFromSpec(const std::string& spec) {
+  gfx::Rect bounds(kDefaultHostWindowX, kDefaultHostWindowY,
+                   kDefaultHostWindowWidth, kDefaultHostWindowHeight);
+  int x = 0, y = 0, width, height;
+  if (sscanf(spec.c_str(), "%dx%d", &width, &height) == 2) {
+    bounds.set_size(gfx::Size(width, height));
+  } else if (sscanf(spec.c_str(), "%d+%d-%dx%d", &x, &y, &width, &height)
+             == 4) {
+    bounds = gfx::Rect(x, y, width, height);
+  } else if (use_fullscreen_host_window_) {
+    bounds = gfx::Rect(aura::RootWindowHost::GetNativeScreenSize());
+  }
+  Monitor* monitor = new Monitor();
+  monitor->set_bounds(bounds);
+  return monitor;
+}
+
 }  // namespace aura