Ignoring minimum size requirements for maximized windows, full screen windows and too small screens

ash/wm/panels/panel_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/panels/panel_layout_manager.h"
 
 #include <algorithm>
 #include <map>
 
 #include "ash/screen_util.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_types.h"
 #include "ash/shelf/shelf_util.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_animations.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "ui/aura/client/focus_client.h"
 #include "ui/aura/client/window_tree_client.h"
 #include "ui/aura/window.h"
+#include "ui/aura/window_delegate.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/aura/window_tracker.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/vector2d.h"
 #include "ui/views/background.h"
 #include "ui/views/widget/widget.h"
 #include "ui/wm/public/activation_client.h"
 
@@ skipping 386 matching lines @@
          ++new_position) {
       const gfx::Rect& bounds = (*new_position).window->bounds();
       if (bounds.x() + bounds.width()/2 <= requested_bounds.x()) break;
     }
     if (new_position != dragged_panel_iter) {
       PanelInfo dragged_panel_info = *dragged_panel_iter;
       panel_windows_.erase(dragged_panel_iter);
       panel_windows_.insert(new_position, dragged_panel_info);
     }
   }
+  // Respect the minimum size of the window.
+  if (child->delegate()) {
+    const gfx::Size& min_size = child->delegate()->GetMinimumSize();
+    bounds.set_width(std::max(min_size.width(), bounds.width()));
+    bounds.set_height(std::max(min_size.height(), bounds.height()));
+  }
 
   SetChildBoundsDirect(child, bounds);
   Relayout();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // PanelLayoutManager, ShelfIconObserver implementation:
 
 void PanelLayoutManager::OnShelfIconPositionsChanged() {
   // TODO: As this is called for every animation step now. Relayout needs to be
@@ skipping 444 matching lines @@
 // keyboard::KeyboardControllerObserver implementation:
 
 void PanelLayoutManager::OnKeyboardBoundsChanging(
     const gfx::Rect& keyboard_bounds) {
   // This bounds change will have caused a change to the Shelf which does not
   // propogate automatically to this class, so manually recalculate bounds.
   OnWindowResized();
 }
 
 }  // namespace ash