Make panel adjust bounds per preferred size change notification on Windows.

chrome/browser/ui/panels/panel_manager.h

 // Copyright (c) 2011 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 CHROME_BROWSER_UI_PANELS_PANEL_MANAGER_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_MANAGER_H_
 #pragma once
 
 #include <vector>
 #include "base/basictypes.h"
@@ skipping 27 matching lines @@
   Panel* CreatePanel(Browser* browser);
 
   void Remove(Panel* panel);
   void RemoveAll();
 
   // Drags the given panel.
   void StartDragging(Panel* panel);
   void Drag(int delta_x);
   void EndDragging(bool cancelled);
 
+  // Invoked when the preferred window size of the given panel might need to
+  // get changed.
+  void OnPreferredWindowSizeChanged(
+      Panel* panel, const gfx::Size& preferred_window_size);
+
   // Returns true if we should bring up the titlebars, given the current mouse
   // point.
   bool ShouldBringUpTitlebars(int mouse_x, int mouse_y) const;
 
   // Brings up or down the titlebars for all minimized panels.
   void BringUpOrDownTitlebars(bool bring_up);
 
   // Returns the bottom position for the panel per its expansion state. If auto-
   // hide bottom bar is present, we want to move the minimized panel to the
   // bottom of the screen, not the bottom of the work area.
   int GetBottomPositionForExpansionState(
       Panel::ExpansionState expansion_state) const;
 
   int num_panels() const { return panels_.size(); }
   bool is_dragging_panel() const;
 
 #ifdef UNIT_TEST
   const Panels& panels() const { return panels_; }
   static int horizontal_spacing() { return kPanelsHorizontalSpacing; }
 
   const gfx::Rect& work_area() const {
     return work_area_;
   }
 
   void set_auto_hiding_desktop_bar(
       AutoHidingDesktopBar* auto_hiding_desktop_bar) {
     auto_hiding_desktop_bar_ = auto_hiding_desktop_bar;
   }
 
+  void enable_auto_sizing(bool enabled) {
+    auto_sizing_enabled_ = enabled;
+  }
+
   void SetWorkAreaForTesting(const gfx::Rect& work_area) {
     SetWorkArea(work_area);
   }
 #endif
 
  private:
   enum TitlebarAction {
     NO_ACTION,
     BRING_UP,
     BRING_DOWN
@@ skipping 34 matching lines @@
   void DragRight();
 
   // Checks if the titlebars have been brought up or down. If not, do not wait
   // for the notifications to trigger it any more, and start to bring them up or
   // down immediately.
   void DelayedBringUpOrDownTitlebarsCheck();
 
   // Does the real job of bringing up or down the titlebars.
   void DoBringUpOrDownTitlebars(bool bring_up);
 
+  int GetMaxPanelWidth() const;
+  int GetMaxPanelHeight() const;
   int GetRightMostAvaialblePosition() const;
 
+  // Updates the maximum size of each panel as the result of adding, removing,
+  // or sizing panels.
+  void UpdateMaxSizeForAllPanels();
+
   Panels panels_;
 
   // Stores the panels that are pending to remove. We want to delay the removal
   // when we're in the process of the dragging.
   Panels panels_pending_to_remove_;
 
   // The maximum work area avaialble. This area does not include the area taken
   // by the always-visible (non-auto-hiding) desktop bars.
   gfx::Rect work_area_;
 
@@ skipping 14 matching lines @@
   // the dragging happens. Then it is updated to the position that will be set
   // to when the dragging ends.
   gfx::Rect dragging_panel_bounds_;
 
   scoped_refptr<AutoHidingDesktopBar> auto_hiding_desktop_bar_;
 
   TitlebarAction delayed_titlebar_action_;
 
   ScopedRunnableMethodFactory<PanelManager> method_factory_;
 
+  // Whether or not bounds will be updated when the preferred content size is
+  // changed. The testing code could set this flag to false so that other tests
+  // will not be affected.
+  bool auto_sizing_enabled_;
+
   static const int kPanelsHorizontalSpacing = 4;
 
   DISALLOW_COPY_AND_ASSIGN(PanelManager);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_MANAGER_H_