Move chrome/browser/gtk/ to chrome/browser/ui/gtk/...

chrome/browser/gtk/gtk_theme_provider.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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_GTK_GTK_THEME_PROVIDER_H_
 #define CHROME_BROWSER_GTK_GTK_THEME_PROVIDER_H_
 #pragma once
 
-#include <map>
-#include <vector>
-
-#include "app/gtk_integers.h"
-#include "app/gtk_signal.h"
-#include "base/scoped_ptr.h"
-#include "chrome/browser/prefs/pref_change_registrar.h"
-#include "chrome/browser/gtk/owned_widget_gtk.h"
-#include "chrome/browser/themes/browser_theme_provider.h"
-#include "chrome/common/notification_observer.h"
-#include "gfx/color_utils.h"
-
-class CairoCachedSurface;
-class GtkSignalRegistrar;
-class Profile;
-
-typedef struct _GdkDisplay GdkDisplay;
-typedef struct _GdkEventExpose GdkEventExpose;
-typedef struct _GdkPixbuf GdkPixbuf;
-typedef struct _GtkIconSet GtkIconSet;
-typedef struct _GtkStyle GtkStyle;
-typedef struct _GtkWidget GtkWidget;
-
-// Specialization of BrowserThemeProvider which supplies system colors.
-class GtkThemeProvider : public BrowserThemeProvider,
-                         public NotificationObserver {
- public:
-  // Returns GtkThemeProvider, casted from our superclass.
-  static GtkThemeProvider* GetFrom(Profile* profile);
-
-  GtkThemeProvider();
-  virtual ~GtkThemeProvider();
-
-  // Calls |observer|.Observe() for the browser theme with this provider as the
-  // source.
-  void InitThemesFor(NotificationObserver* observer);
-
-  // Overridden from BrowserThemeProvider:
-  //
-  // Sets that we aren't using the system theme, then calls
-  // BrowserThemeProvider's implementation.
-  virtual void Init(Profile* profile);
-  virtual SkBitmap* GetBitmapNamed(int id) const;
-  virtual SkColor GetColor(int id) const;
-  virtual bool HasCustomImage(int id) const;
-  virtual void SetTheme(const Extension* extension);
-  virtual void UseDefaultTheme();
-  virtual void SetNativeTheme();
-  virtual bool UsingDefaultTheme();
-
-  // Overridden from NotificationObserver:
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details);
-
-  // Creates a GtkChromeButton instance, registered with this theme provider,
-  // with a "destroy" signal to remove it from our internal list when it goes
-  // away.
-  GtkWidget* BuildChromeButton();
-
-  // Creates a theme-aware vertical separator widget.
-  GtkWidget* CreateToolbarSeparator();
-
-  // Whether we should use the GTK system theme.
-  bool UseGtkTheme() const;
-
-  // A wrapper around ThemeProvider::GetColor, transforming the result to a
-  // GdkColor.
-  GdkColor GetGdkColor(int id) const;
-
-  // A weighted average between the text color and the background color of a
-  // label. Used for borders between GTK stuff and the webcontent.
-  GdkColor GetBorderColor() const;
-
-  // Returns a set of icons tinted for different GtkStateTypes based on the
-  // label colors for the IDR resource |id|.
-  GtkIconSet* GetIconSetForId(int id) const;
-
-  // This method returns the colors webkit will use for the scrollbars. When no
-  // colors are specified by the GTK+ theme, this function averages of the
-  // thumb part and of the track colors.
-  void GetScrollbarColors(GdkColor* thumb_active_color,
-                          GdkColor* thumb_inactive_color,
-                          GdkColor* track_color);
-
-  // Expose the inner label. Only used for testing.
-  GtkWidget* fake_label() { return fake_label_.get(); }
-
-  // Returns a CairoCachedSurface for a particular Display. CairoCachedSurfaces
-  // (hopefully) live on the X server, instead of the client so we don't have
-  // to send the image to the server on each expose.
-  CairoCachedSurface* GetSurfaceNamed(int id, GtkWidget* widget_on_display);
-
-  // Same as above, but auto-mirrors the underlying pixbuf in RTL mode.
-  CairoCachedSurface* GetRTLEnabledSurfaceNamed(int id,
-                                                GtkWidget* widget_on_display);
-
-  // Same as above, but gets the resource from the ResourceBundle instead of the
-  // BrowserThemeProvider.
-  // NOTE: Never call this with resource IDs that are ever passed to the above
-  // two functions!  Depending on which call comes first, all callers will
-  // either get the themed or the unthemed version.
-  CairoCachedSurface* GetUnthemedSurfaceNamed(int id,
-                                              GtkWidget* widget_on_display);
-
-  // Returns colors that we pass to webkit to match the system theme.
-  const SkColor& get_focus_ring_color() const { return focus_ring_color_; }
-  const SkColor& get_thumb_active_color() const { return thumb_active_color_; }
-  const SkColor& get_thumb_inactive_color() const {
-    return thumb_inactive_color_;
-  }
-  const SkColor& get_track_color() const { return track_color_; }
-  const SkColor& get_active_selection_bg_color() const {
-    return active_selection_bg_color_;
-  }
-  const SkColor& get_active_selection_fg_color() const {
-    return active_selection_fg_color_;
-  }
-  const SkColor& get_inactive_selection_bg_color() const {
-    return inactive_selection_bg_color_;
-  }
-  const SkColor& get_inactive_selection_fg_color() const {
-    return inactive_selection_fg_color_;
-  }
-
-  // These functions do not add a ref to the returned pixbuf, and it should not
-  // be unreffed.  If |native| is true, get the GTK_STOCK version of the icon.
-  static GdkPixbuf* GetFolderIcon(bool native);
-  static GdkPixbuf* GetDefaultFavicon(bool native);
-
-  // Whether we use the GTK theme by default in the current desktop
-  // environment. Returns true when we GTK defaults to on.
-  static bool DefaultUsesSystemTheme();
-
- private:
-  typedef std::map<int, SkColor> ColorMap;
-  typedef std::map<int, color_utils::HSL> TintMap;
-  typedef std::map<int, SkBitmap*> ImageCache;
-  typedef std::map<int, CairoCachedSurface*> CairoCachedSurfaceMap;
-  typedef std::map<GdkDisplay*, CairoCachedSurfaceMap> PerDisplaySurfaceMap;
-
-  // Clears all the GTK color overrides.
-  virtual void ClearAllThemeData();
-
-  // Load theme data from preferences, possibly picking colors from GTK.
-  virtual void LoadThemePrefs();
-
-  // Let all the browser views know that themes have changed.
-  virtual void NotifyThemeChanged(const Extension* extension);
-
-  // Additionally frees the CairoCachedSurfaces.
-  virtual void FreePlatformCaches();
-
-  // Extracts colors and tints from the GTK theme, both for the
-  // BrowserThemeProvider interface and the colors we send to webkit.
-  void LoadGtkValues();
-
-  // Reads in explicit theme frame colors from the ChromeGtkFrame style class
-  // or generates them per our fallback algorithm.
-  GdkColor BuildFrameColors(GtkStyle* frame_style);
-
-  // Sets the values that we send to webkit to safe defaults.
-  void LoadDefaultValues();
-
-  // Builds all of the tinted menus images needed for custom buttons. This is
-  // always called on style-set even if we aren't using the gtk-theme because
-  // the menus are always rendered with gtk colors.
-  void RebuildMenuIconSets();
-
-  // Sets the underlying theme colors/tints from a GTK color.
-  void SetThemeColorFromGtk(int id, const GdkColor* color);
-  void SetThemeTintFromGtk(int id, const GdkColor* color);
-
-  // Creates and returns a frame color, either using |gtk_base| verbatim if
-  // non-NULL, or tinting |base| with |tint|. Also sets |color_id| and
-  // |tint_id| to the returned color.
-  GdkColor BuildAndSetFrameColor(const GdkColor* base,
-                                 const GdkColor* gtk_base,
-                                 const color_utils::HSL& tint,
-                                 int color_id,
-                                 int tint_id);
-
-  // Split out from FreePlatformCaches so it can be called in our destructor;
-  // FreePlatformCaches() is called from the BrowserThemeProvider's destructor,
-  // but by the time ~BrowserThemeProvider() is run, the vtable no longer
-  // points to GtkThemeProvider's version.
-  void FreePerDisplaySurfaces(PerDisplaySurfaceMap* per_display_map);
-
-  // Frees all the created GtkIconSets we use for the chrome menu.
-  void FreeIconSets();
-
-  // Lazily generates each bitmap used in the gtk theme.
-  SkBitmap* GenerateGtkThemeBitmap(int id) const;
-
-  // Creates a GTK+ version of IDR_THEME_FRAME. Instead of tinting, this
-  // creates a theme configurable gradient ending with |color_id| at the
-  // bottom, and |gradient_name| at the top if that color is specified in the
-  // theme.
-  SkBitmap* GenerateFrameImage(int color_id,
-                               const char* gradient_name) const;
-
-  // Takes the base frame image |base_id| and tints it with |tint_id|.
-  SkBitmap* GenerateTabImage(int base_id) const;
-
-  // Tints an icon based on tint.
-  SkBitmap* GenerateTintedIcon(int base_id, color_utils::HSL tint) const;
-
-  // Returns the tint for buttons that contrasts with the normal window
-  // background color.
-  void GetNormalButtonTintHSL(color_utils::HSL* tint) const;
-
-  // Returns a tint that's the color of the current normal text in an entry.
-  void GetNormalEntryForegroundHSL(color_utils::HSL* tint) const;
-
-  // Returns a tint that's the color of the current highlighted text in an
-  // entry.
-  void GetSelectedEntryForegroundHSL(color_utils::HSL* tint) const;
-
-  // Implements GetXXXSurfaceNamed(), given the appropriate pixbuf to use.
-  CairoCachedSurface* GetSurfaceNamedImpl(int id,
-                                          PerDisplaySurfaceMap* surface_map,
-                                          GdkPixbuf* pixbuf,
-                                          GtkWidget* widget_on_display);
-
-  // Handles signal from GTK that our theme has been changed.
-  CHROMEGTK_CALLBACK_1(GtkThemeProvider, void, OnStyleSet, GtkStyle*);
-
-  // A notification from the GtkChromeButton GObject destructor that we should
-  // remove it from our internal list.
-  CHROMEGTK_CALLBACK_0(GtkThemeProvider, void, OnDestroyChromeButton);
-
-  CHROMEGTK_CALLBACK_1(GtkThemeProvider, gboolean, OnSeparatorExpose,
-                       GdkEventExpose*);
-
-  // Whether we should be using gtk rendering.
-  bool use_gtk_;
-
-  // GtkWidgets that exist only so we can look at their properties (and take
-  // their colors).
-  GtkWidget* fake_window_;
-  GtkWidget* fake_frame_;
-  OwnedWidgetGtk fake_label_;
-  OwnedWidgetGtk fake_entry_;
-  OwnedWidgetGtk fake_menu_item_;
-
-  // A list of all GtkChromeButton instances. We hold on to these to notify
-  // them of theme changes.
-  std::vector<GtkWidget*> chrome_buttons_;
-
-  // Tracks all the signals we have connected to on various widgets.
-  scoped_ptr<GtkSignalRegistrar> signals_;
-
-  // Tints and colors calculated by LoadGtkValues() that are given to the
-  // caller while |use_gtk_| is true.
-  ColorMap colors_;
-  TintMap tints_;
-
-  // Colors used to tint certain icons.
-  color_utils::HSL button_tint_;
-  color_utils::HSL entry_tint_;
-  color_utils::HSL selected_entry_tint_;
-
-  // Colors that we pass to WebKit. These are generated each time the theme
-  // changes.
-  SkColor focus_ring_color_;
-  SkColor thumb_active_color_;
-  SkColor thumb_inactive_color_;
-  SkColor track_color_;
-  SkColor active_selection_bg_color_;
-  SkColor active_selection_fg_color_;
-  SkColor inactive_selection_bg_color_;
-  SkColor inactive_selection_fg_color_;
-
-  // A GtkIconSet that has the tinted icons for the NORMAL and PRELIGHT states
-  // of the IDR_FULLSCREEN_MENU_BUTTON tinted to the respective menu item label
-  // colors.
-  GtkIconSet* fullscreen_icon_set_;
-
-  // Image cache of lazily created images, created when requested by
-  // GetBitmapNamed().
-  mutable ImageCache gtk_images_;
-
-  // Cairo surfaces for each GdkDisplay.
-  PerDisplaySurfaceMap per_display_surfaces_;
-  PerDisplaySurfaceMap per_display_unthemed_surfaces_;
-
-  PrefChangeRegistrar registrar_;
-
-  // This is a dummy widget that only exists so we have something to pass to
-  // gtk_widget_render_icon().
-  static GtkWidget* icon_widget_;
-
-  // The default folder icon and default bookmark icon for the GTK theme.
-  // These are static because the system can only have one theme at a time.
-  // They are cached when they are requested the first time, and cleared when
-  // the system theme changes.
-  static GdkPixbuf* default_folder_icon_;
-  static GdkPixbuf* default_bookmark_icon_;
-};
+#include "chrome/browser/ui/gtk/gtk_theme_provider.h"
+// TODO(msw): remove this file once all includes have been updated.
 
 #endif  // CHROME_BROWSER_GTK_GTK_THEME_PROVIDER_H_