Make sure that 30%of restored window is always visible.

ash/wm/base_layout_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 "ash/wm/base_layout_manager.h"
 
 #include "ash/screen_ash.h"
 #include "ash/session_state_delegate.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
@@ skipping 89 matching lines @@
     child_bounds = ScreenAsh::GetMaximizedWindowBoundsInParent(child);
   else if (wm::IsWindowFullscreen(child))
     child_bounds = ScreenAsh::GetDisplayBoundsInParent(child);
   SetChildBoundsDirect(child, child_bounds);
 }
 
 /////////////////////////////////////////////////////////////////////////////
 // BaseLayoutManager, ash::ShellObserver overrides:
 
 void BaseLayoutManager::OnDisplayWorkAreaInsetsChanged() {
-  AdjustWindowSizesForScreenChange(ADJUST_WINDOW_DISPLAY_INSETS_CHANGED);
+  AdjustWindowsBounds(ADJUST_WINDOW_WORK_AREA_INSETS_CHANGED);
 }
 
 /////////////////////////////////////////////////////////////////////////////
 // BaseLayoutManager, WindowObserver overrides:
 
 void BaseLayoutManager::OnWindowPropertyChanged(aura::Window* window,
                                                 const void* key,
                                                 intptr_t old) {
   if (key == aura::client::kShowStateKey) {
     ui::WindowShowState old_state = static_cast<ui::WindowShowState>(old);
@@ skipping 17 matching lines @@
   if (root_window_ == window) {
     root_window_->RemoveObserver(this);
     root_window_ = NULL;
   }
 }
 
 void BaseLayoutManager::OnWindowBoundsChanged(aura::Window* window,
                                               const gfx::Rect& old_bounds,
                                               const gfx::Rect& new_bounds) {
   if (root_window_ == window)
-    AdjustWindowSizesForScreenChange(ADJUST_WINDOW_SCREEN_SIZE_CHANGED);
+    AdjustWindowsBounds(ADJUST_WINDOW_DISPLAY_SIZE_CHANGED);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 // BaseLayoutManager, aura::client::ActivationChangeObserver implementation:
 
 void BaseLayoutManager::OnWindowActivated(aura::Window* gained_active,
                                           aura::Window* lost_active) {
   if (views::corewm::UseFocusController()) {
     if (gained_active && wm::IsWindowMinimized(gained_active) &&
         !gained_active->IsVisible()) {
@@ skipping 26 matching lines @@
     // sure it's visible.
     window->Show();
     if (last_show_state == ui::SHOW_STATE_MINIMIZED &&
         !wm::IsWindowMaximized(window) &&
         !wm::IsWindowFullscreen(window)) {
       window->ClearProperty(internal::kWindowRestoresToRestoreBounds);
     }
   }
 }
 
-void BaseLayoutManager::AdjustWindowSizesForScreenChange(
+void BaseLayoutManager::AdjustWindowsBounds(
     AdjustWindowReason reason) {
   // Don't do any adjustments of the insets while we are in screen locked mode.
   // This would happen if the launcher was auto hidden before the login screen
   // was shown and then gets shown when the login screen gets presented.
-  if (reason == ADJUST_WINDOW_DISPLAY_INSETS_CHANGED &&
+  if (reason == ADJUST_WINDOW_WORK_AREA_INSETS_CHANGED &&
       Shell::GetInstance()->session_state_delegate()->IsScreenLocked())
     return;
 
   // If a user plugs an external display into a laptop running Aura the
   // display size will change.  Maximized windows need to resize to match.
   // We also do this when developers running Aura on a desktop manually resize
   // the host window.
   // We also need to do this when the work area insets changes.
   for (WindowSet::const_iterator it = windows_.begin();
        it != windows_.end();
        ++it) {
-    AdjustWindowSizeForScreenChange(*it, reason);
+    AdjustWindowBounds(*it, reason);
   }
 }
 
-void BaseLayoutManager::AdjustWindowSizeForScreenChange(
+void BaseLayoutManager::AdjustWindowBounds(
     aura::Window* window,
     AdjustWindowReason reason) {
   if (wm::IsWindowMaximized(window)) {
     SetChildBoundsDirect(
         window, ScreenAsh::GetMaximizedWindowBoundsInParent(window));
   } else if (wm::IsWindowFullscreen(window)) {
     SetChildBoundsDirect(
         window, ScreenAsh::GetDisplayBoundsInParent(window));
   } else {
     // The work area may be smaller than the full screen.
@@ skipping 37 matching lines @@
           window, ScreenAsh::GetDisplayBoundsInParent(window));
       break;
 
     default:
       break;
   }
 }
 
 }  // namespace internal
 }  // namespace ash