browser: Move window sizer to subdir.

chrome/browser/ui/window_sizer_ash.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/window_sizer.h"
-
-#include "ash/shell.h"
-#include "ash/wm/window_cycle_controller.h"
-#include "ash/wm/window_util.h"
-#include "base/compiler_specific.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_list.h"
-#include "chrome/browser/ui/browser_window.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_delegate.h"
-#include "ui/gfx/screen.h"
-
-namespace {
-
-// Check if the window was not created as popup or as panel.
-bool IsValidToplevelWindow(aura::Window* window) {
-  for (BrowserList::const_iterator iter = BrowserList::begin();
-       iter != BrowserList::end();
-       ++iter) {
-    Browser* browser = *iter;
-    if (browser && browser->window() &&
-        browser->window()->GetNativeWindow() == window) {
-      return (!(browser->is_type_popup() || browser->is_type_panel()));
-    }
-  }
-  // A window which has no browser associated with it is probably not a window
-  // of which we want to copy the size from.
-  return false;
-}
-
-// Get the first open window in the stack on the screen.
-aura::Window* GetTopWindow() {
-  // Get the active window.
-  aura::Window* window = ash::wm::GetActiveWindow();
-  if (window && window->type() == aura::client::WINDOW_TYPE_NORMAL &&
-      window->IsVisible() && IsValidToplevelWindow(window))
-    return window;
-
-  // Get a list of all windows.
-  const std::vector<aura::Window*> windows =
-      ash::WindowCycleController::BuildWindowList();
-
-  if (windows.empty())
-    return NULL;
-
-  aura::Window::Windows::const_iterator iter = windows.begin();
-  // Find the index of the current window.
-  if (window)
-    iter = std::find(windows.begin(), windows.end(), window);
-
-  int index = (iter == windows.end()) ? 0 : (iter - windows.begin());
-
-  // Scan the cycle list backwards to see which is the second topmost window
-  // (and so on). Note that we might cycle a few indices twice if there is no
-  // suitable window. However - since the list is fairly small this should be
-  // very fast anyways.
-  for (int i = index + windows.size(); i >= 0; i--) {
-    aura::Window* window = windows[i % windows.size()];
-    if (window && window->type() == aura::client::WINDOW_TYPE_NORMAL &&
-        window->IsVisible() && IsValidToplevelWindow(window))
-      return window;
-  }
-  return NULL;
-}
-
-}  // namespace
-
-bool WindowSizer::GetBoundsIgnoringPreviousStateAsh(
-    const gfx::Rect& specified_bounds,
-    gfx::Rect* bounds) const {
-  *bounds = specified_bounds;
-  DCHECK(bounds->IsEmpty());
-  if (browser_ != NULL && browser_->type() == Browser::TYPE_TABBED) {
-    // This is a window / app. See if there is no window and try to place it.
-    aura::Window* top_window = GetTopWindow();
-    // If there are no windows we have a special case and try to
-    // maximize which leaves a 'border' which shows the desktop.
-    if (top_window == NULL) {
-      GetDefaultWindowBounds(bounds);
-    } else {
-      *bounds = top_window->GetBoundsInRootWindow();
-      gfx::Rect work_area =
-          monitor_info_provider_->GetMonitorWorkAreaMatching(*bounds);
-      *bounds = bounds->AdjustToFit(work_area);
-    }
-    return true;
-    // If both fail we will continue the default path.
-  }
-
-  return false;
-}
-
-void WindowSizer::GetDefaultWindowBoundsAsh(gfx::Rect* default_bounds) const {
-  DCHECK(default_bounds);
-  DCHECK(monitor_info_provider_.get());
-
-  gfx::Rect work_area = monitor_info_provider_->GetPrimaryDisplayWorkArea();
-
-  DCHECK_EQ(kDesktopBorderSize, ash::Shell::GetInstance()->GetGridSize());
-
-  // There should be a 'desktop' border around the window at the left and right
-  // side.
-  int default_width = work_area.width() - 2 * kDesktopBorderSize;
-  // There should also be a 'desktop' border around the window at the top.
-  // Since the workspace excludes the tray area we only need one border size.
-  int default_height = work_area.height() - kDesktopBorderSize;
-  // We align the size to the grid size to avoid any surprise when the
-  // monitor height isn't divide-able by our alignment factor.
-  default_width -= default_width % kDesktopBorderSize;
-  default_height -= default_height % kDesktopBorderSize;
-  int offset_x = kDesktopBorderSize;
-  int maximum_window_width = 1280;
-  if (default_width > maximum_window_width) {
-    // The window should get centered on the screen and not follow the grid.
-    offset_x = (work_area.width() - maximum_window_width) / 2;
-    // Never make a window wider then 1280.
-    default_width = maximum_window_width;
-  }
-  default_bounds->SetRect(work_area.x() + offset_x,
-                          work_area.y() + kDesktopBorderSize,
-                          default_width,
-                          default_height);
-}