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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_ | |
| 6 #define CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_ | |
| 7 | |
| 8 #include <gtk/gtk.h> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "chrome/browser/infobars/infobar.h" | |
| 13 #include "chrome/browser/infobars/infobar_delegate.h" | |
| 14 #include "chrome/browser/ui/gtk/menu_gtk.h" | |
| 15 #include "content/public/browser/notification_observer.h" | |
| 16 #include "content/public/browser/notification_registrar.h" | |
| 17 #include "third_party/skia/include/core/SkColor.h" | |
| 18 #include "ui/base/gtk/gtk_signal.h" | |
| 19 #include "ui/base/gtk/owned_widget_gtk.h" | |
| 20 | |
| 21 class CustomDrawButton; | |
| 22 class GtkThemeService; | |
| 23 | |
| 24 namespace ui { | |
| 25 class GtkSignalRegistrar; | |
| 26 class MenuModel; | |
| 27 } | |
| 28 | |
| 29 class InfoBarGtk : public InfoBar, | |
| 30 public content::NotificationObserver { | |
| 31 public: | |
| 32 // Conversion from cairo colors to SkColor. | |
| 33 typedef void (InfoBarGtk::*ColorGetter)(InfoBarDelegate::Type, | |
| 34 double* r, double* g, double* b); | |
| 35 | |
| 36 explicit InfoBarGtk(scoped_ptr<InfoBarDelegate> delegate); | |
| 37 virtual ~InfoBarGtk(); | |
| 38 | |
| 39 // Get the top level native GTK widget for this infobar. | |
| 40 GtkWidget* widget() { return widget_.get(); } | |
| 41 | |
| 42 GdkColor GetBorderColor() const; | |
| 43 | |
| 44 // Returns the target height of the infobar if the bar is animating, | |
| 45 // otherwise 0. We care about this number since we want to prevent | |
| 46 // unnecessary renderer repaints while animating. | |
| 47 int AnimatingHeight() const; | |
| 48 | |
| 49 SkColor ConvertGetColor(ColorGetter getter); | |
| 50 | |
| 51 // Retrieves the component colors for the infobar's background | |
| 52 // gradient. (This varies by infobars and can be animated to change). | |
| 53 virtual void GetTopColor(InfoBarDelegate::Type type, | |
| 54 double* r, double* g, double* b); | |
| 55 virtual void GetBottomColor(InfoBarDelegate::Type type, | |
| 56 double* r, double* g, double* b); | |
| 57 | |
| 58 protected: | |
| 59 // Spacing after message (and before buttons). | |
| 60 static const int kEndOfLabelSpacing; | |
| 61 | |
| 62 // InfoBar: | |
| 63 | |
| 64 // Inits any widgets and related objects necessary. | |
| 65 // | |
| 66 // NOTE: Subclasses who need to init widgets should override this function and | |
| 67 // explicitly call their parent's implementation first, then continue with | |
| 68 // further work they need to do. Failing to call the parent implementation | |
| 69 // first (or at all), or setting up widgets in the constructor instead of | |
| 70 // here, will lead to bad side effects like crashing. | |
| 71 virtual void PlatformSpecificSetOwner() OVERRIDE; | |
| 72 | |
| 73 virtual void PlatformSpecificShow(bool animate) OVERRIDE; | |
| 74 virtual void PlatformSpecificOnCloseSoon() OVERRIDE; | |
| 75 virtual void PlatformSpecificOnHeightsRecalculated() OVERRIDE; | |
| 76 | |
| 77 // content::NotificationObserver: | |
| 78 virtual void Observe(int type, | |
| 79 const content::NotificationSource& source, | |
| 80 const content::NotificationDetails& details) OVERRIDE; | |
| 81 | |
| 82 // Styles the close button as if we're doing Chrome-stlye widget rendering. | |
| 83 void ForceCloseButtonToUseChromeTheme(); | |
| 84 | |
| 85 GtkWidget* hbox() { return hbox_; } | |
| 86 | |
| 87 // Returns the signal registrar for this infobar. All signals representing | |
| 88 // user actions on visible widgets must go through this registrar! | |
| 89 ui::GtkSignalRegistrar* signals() { return signals_.get(); } | |
| 90 | |
| 91 // Creates a label with the appropriate font and color for the current | |
| 92 // gtk-theme state. It is InfoBarGtk's responsibility to observe browser | |
| 93 // theme changes and update the label's state. | |
| 94 GtkWidget* CreateLabel(const std::string& text); | |
| 95 | |
| 96 // Creates a link button with the appropriate current gtk-theme state. | |
| 97 GtkWidget* CreateLinkButton(const std::string& text); | |
| 98 | |
| 99 // Builds a button with an arrow in it to emulate the menu-button style from | |
| 100 // the windows version. | |
| 101 static GtkWidget* CreateMenuButton(const std::string& text); | |
| 102 | |
| 103 // Adds |display_text| to the infobar. If |link_text| is not empty, it is | |
| 104 // rendered as a hyperlink and inserted into |display_text| at |link_offset|, | |
| 105 // or right aligned in the infobar if |link_offset| is |npos|. If a link is | |
| 106 // supplied, |link_callback| must not be null. It will be invoked on click. | |
| 107 void AddLabelWithInlineLink(const base::string16& display_text, | |
| 108 const base::string16& link_text, | |
| 109 size_t link_offset, | |
| 110 GCallback callback); | |
| 111 | |
| 112 // Shows the menu with |model| with the context of |sender|. | |
| 113 void ShowMenuWithModel(GtkWidget* sender, | |
| 114 MenuGtk::Delegate* delegate, | |
| 115 ui::MenuModel* model); | |
| 116 | |
| 117 private: | |
| 118 void GetBackgroundColor(SkColor color, double* r, double* g, double* b); | |
| 119 void UpdateBorderColor(); | |
| 120 | |
| 121 CHROMEGTK_CALLBACK_0(InfoBarGtk, void, OnCloseButton); | |
| 122 CHROMEGTK_CALLBACK_1(InfoBarGtk, gboolean, OnBackgroundExpose, | |
| 123 GdkEventExpose*); | |
| 124 CHROMEGTK_CALLBACK_2(InfoBarGtk, void, OnChildSizeRequest, GtkWidget*, | |
| 125 GtkRequisition*); | |
| 126 | |
| 127 // A GtkExpandedContainer that contains |bg_box_| so we can vary the height of | |
| 128 // the infobar. | |
| 129 ui::OwnedWidgetGtk widget_; | |
| 130 | |
| 131 // The second highest widget in the hierarchy (after the |widget_|). | |
| 132 GtkWidget* bg_box_; | |
| 133 | |
| 134 // The hbox that holds infobar elements (button, text, icon, etc.). | |
| 135 GtkWidget* hbox_; | |
| 136 | |
| 137 // The x that closes the bar. | |
| 138 scoped_ptr<CustomDrawButton> close_button_; | |
| 139 | |
| 140 // The theme provider, used for getting border colors. | |
| 141 GtkThemeService* theme_service_; | |
| 142 | |
| 143 content::NotificationRegistrar registrar_; | |
| 144 | |
| 145 // A list of signals which we clear out once we're closing. | |
| 146 scoped_ptr<ui::GtkSignalRegistrar> signals_; | |
| 147 | |
| 148 // The current menu displayed. Can be null. We own this on the base class so | |
| 149 // we can cancel the menu while we're closing. | |
| 150 scoped_ptr<MenuGtk> menu_; | |
| 151 | |
| 152 DISALLOW_COPY_AND_ASSIGN(InfoBarGtk); | |
| 153 }; | |
| 154 | |
| 155 #endif // CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_ | |
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Chromium Code Reviews
Issue 231733005:
Delete the GTK+ port of Chrome. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src