Support painting panels with chromium themes on GTK.

chrome/browser/ui/panels/panel_browser_window_gtk.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_PANELS_PANEL_BROWSER_WINDOW_GTK_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_BROWSER_WINDOW_GTK_H_
 
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
 #include "chrome/browser/ui/gtk/browser_window_gtk.h"
 #include "chrome/browser/ui/panels/native_panel.h"
 #include "ui/base/animation/animation_delegate.h"
 
 class Panel;
 class PanelBoundsAnimation;
+class PanelBrowserTitlebarGtk;
 class PanelDragGtk;
 class NativePanelTestingGtk;
 
+namespace gfx {
+class Image;
+}
+
 class PanelBrowserWindowGtk : public BrowserWindowGtk,
                               public NativePanel,
                               public ui::AnimationDelegate {
  public:
+  enum PaintState {
+    PAINT_AS_ACTIVE,
+    PAINT_AS_INACTIVE,
+    PAINT_FOR_ATTENTION
+  };
+
   PanelBrowserWindowGtk(Browser* browser, Panel* panel,
                         const gfx::Rect& bounds);
   virtual ~PanelBrowserWindowGtk();
 
   // BrowserWindowGtk override
   virtual void Init() OVERRIDE;
+  virtual bool ShouldDrawContentDropShadow() const OVERRIDE;
 
   // BrowserWindow overrides
   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
-  virtual TitleDecoration GetWindowTitle(std::string* title) const OVERRIDE;
 
   // Overrides BrowserWindowGtk::NotificationObserver::Observe
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+  PaintState GetPaintState() const;
+
   Panel* panel() const { return panel_.get(); }
 
  protected:
   // BrowserWindowGtk overrides
   virtual BrowserTitlebar* CreateBrowserTitlebar() OVERRIDE;
   virtual bool GetWindowEdge(int x, int y, GdkWindowEdge* edge) OVERRIDE;
   virtual bool HandleTitleBarLeftMousePress(
       GdkEventButton* event,
       guint32 last_click_time,
       gfx::Point last_click_position) OVERRIDE;
   virtual bool HandleWindowEdgeLeftMousePress(
       GtkWindow* window,
       GdkWindowEdge edge,
       GdkEventButton* event) OVERRIDE;
   virtual void SaveWindowPosition() OVERRIDE;
   virtual void SetGeometryHints() OVERRIDE;
-  virtual bool UseCustomFrame() OVERRIDE;
+  virtual bool UseCustomFrame() const OVERRIDE;
+  virtual bool UsingCustomPopupFrame() const OVERRIDE;
   virtual void OnSizeChanged(int width, int height) OVERRIDE;
   virtual void DrawCustomFrame(cairo_t* cr, GtkWidget* widget,
                                GdkEventExpose* event) OVERRIDE;
   virtual void DrawPopupFrame(cairo_t* cr, GtkWidget* widget,
                               GdkEventExpose* event) OVERRIDE;
   virtual void ActiveWindowChanged(GdkWindow* active_window) OVERRIDE;
 
   // Overridden from NativePanel:
   virtual void ShowPanel() OVERRIDE;
   virtual void ShowPanelInactive() OVERRIDE;
@@ skipping 23 matching lines @@
   virtual void HandlePanelKeyboardEvent(
       const NativeWebKeyboardEvent& event) OVERRIDE;
   virtual void FullScreenModeChanged(bool is_full_screen) OVERRIDE;
   virtual Browser* GetPanelBrowser() const OVERRIDE;
   virtual void DestroyPanelBrowser() OVERRIDE;
   virtual gfx::Size WindowSizeFromContentSize(
       const gfx::Size& content_size) const OVERRIDE;
   virtual gfx::Size ContentSizeFromWindowSize(
       const gfx::Size& window_size) const OVERRIDE;
   virtual int TitleOnlyHeight() const OVERRIDE;
-  virtual gfx::Size IconOnlySize() const OVERRIDE;
   virtual void EnsurePanelFullyVisible() OVERRIDE;
   virtual void SetPanelAppIconVisibility(bool visible) OVERRIDE;
   virtual void SetPanelAlwaysOnTop(bool on_top) OVERRIDE;
   virtual void EnableResizeByMouse(bool enable) OVERRIDE;
 
  private:
   friend class NativePanelTestingGtk;
 
   void StartBoundsAnimation(const gfx::Rect& from_bounds,
                             const gfx::Rect& to_bounds);
   bool IsAnimatingBounds() const;
 
   // Overridden from AnimationDelegate:
   virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
 
   // Creates helper for handling drags if not already created.
   void EnsureDragHelperCreated();
 
   void SetBoundsInternal(const gfx::Rect& bounds, bool animate);
 
-  void DrawAttentionFrame(cairo_t* cr, GtkWidget* widget,
-                          GdkEventExpose* event);
-  GdkRectangle GetTitlebarRectForDrawAttention() const;
+  PanelBrowserTitlebarGtk* GetPanelTitlebar() const;
+
+  // Returns the theme image to paint the frame.
+  const gfx::Image* GetThemeFrameImage() const;
 
   CHROMEGTK_CALLBACK_1(PanelBrowserWindowGtk, gboolean,
                        OnTitlebarButtonReleaseEvent, GdkEventButton*);
 
   scoped_ptr<Panel> panel_;
   gfx::Rect bounds_;
 
   scoped_ptr<PanelDragGtk> drag_helper_;
 
   // Size of window frame. Empty until the window has been allocated and sized.
@@ skipping 11 matching lines @@
   // current one completes. In this case, we want to start the new animation
   // from where the last one left.
   gfx::Rect last_animation_progressed_bounds_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(PanelBrowserWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_BROWSER_WINDOW_GTK_H_