chrome/browser/ui/gtk/apps/native_app_window_gtk.h

   1 // Copyright 2013 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_APPS_NATIVE_APP_WINDOW_GTK_H_
   6 #define CHROME_BROWSER_UI_GTK_APPS_NATIVE_APP_WINDOW_GTK_H_
   7
   8 #include <gtk/gtk.h>
   9
  10 #include "apps/shell_window.h"
  11 #include "apps/ui/native_app_window.h"
  12 #include "base/observer_list.h"
  13 #include "base/timer/timer.h"
  14 #include "chrome/browser/ui/gtk/extensions/extension_view_gtk.h"
  15 #include "content/public/browser/web_contents_observer.h"
  16 #include "third_party/skia/include/core/SkRegion.h"
  17 #include "ui/base/gtk/gtk_signal.h"
  18 #include "ui/base/x/active_window_watcher_x_observer.h"
  19 #include "ui/gfx/rect.h"
  20 #include "ui/gfx/x/x11_atom_cache.h"
  21
  22 class ExtensionKeybindingRegistryGtk;
  23 class Profile;
  24
  25 namespace extensions {
  26 class Extension;
  27 }
  28
  29 class NativeAppWindowGtk : public apps::NativeAppWindow,
  30                            public ExtensionViewGtk::Container,
  31                            public ui::ActiveWindowWatcherXObserver,
  32                            public content::WebContentsObserver {
  33  public:
  34   NativeAppWindowGtk(apps::ShellWindow* shell_window,
  35                      const apps::ShellWindow::CreateParams& params);
  36
  37   // ui::BaseWindow implementation.
  38   virtual bool IsActive() const OVERRIDE;
  39   virtual bool IsMaximized() const OVERRIDE;
  40   virtual bool IsMinimized() const OVERRIDE;
  41   virtual bool IsFullscreen() const OVERRIDE;
  42   virtual gfx::NativeWindow GetNativeWindow() OVERRIDE;
  43   virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
  44   virtual ui::WindowShowState GetRestoredState() const OVERRIDE;
  45   virtual gfx::Rect GetBounds() const OVERRIDE;
  46   virtual void Show() OVERRIDE;
  47   virtual void ShowInactive() OVERRIDE;
  48   virtual void Hide() OVERRIDE;
  49   virtual void Close() OVERRIDE;
  50   virtual void Activate() OVERRIDE;
  51   virtual void Deactivate() OVERRIDE;
  52   virtual void Maximize() OVERRIDE;
  53   virtual void Minimize() OVERRIDE;
  54   virtual void Restore() OVERRIDE;
  55   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
  56   virtual void FlashFrame(bool flash) OVERRIDE;
  57   virtual bool IsAlwaysOnTop() const OVERRIDE;
  58   virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
  59
  60   // ActiveWindowWatcherXObserver implementation.
  61   virtual void ActiveWindowChanged(GdkWindow* active_window) OVERRIDE;
  62
  63   // WebContentsObserver implementation.
  64   virtual void RenderViewHostChanged(
  65       content::RenderViewHost* old_host,
  66       content::RenderViewHost* new_host) OVERRIDE;
  67
  68  private:
  69   // NativeAppWindow implementation.
  70   virtual void SetFullscreen(int fullscreen_types) OVERRIDE;
  71   virtual bool IsFullscreenOrPending() const OVERRIDE;
  72   virtual bool IsDetached() const OVERRIDE;
  73   virtual void UpdateWindowIcon() OVERRIDE;
  74   virtual void UpdateWindowTitle() OVERRIDE;
  75   virtual void UpdateDraggableRegions(
  76       const std::vector<extensions::DraggableRegion>& regions) OVERRIDE;
  77   virtual SkRegion* GetDraggableRegion() OVERRIDE;
  78   virtual void UpdateShape(scoped_ptr<SkRegion> region) OVERRIDE;
  79   virtual void HandleKeyboardEvent(
  80       const content::NativeWebKeyboardEvent& event) OVERRIDE;
  81   virtual bool IsFrameless() const OVERRIDE;
  82   virtual gfx::Insets GetFrameInsets() const OVERRIDE;
  83   virtual void HideWithApp() OVERRIDE;
  84   virtual void ShowWithApp() OVERRIDE;
  85   // Calls gtk_window_set_geometry_hints with the current size constraints.
  86   virtual void UpdateWindowMinMaxSize() OVERRIDE;
  87
  88   // web_modal::WebContentsModalDialogHost implementation.
  89   virtual gfx::NativeView GetHostView() const OVERRIDE;
  90   virtual gfx::Point GetDialogPosition(const gfx::Size& size) OVERRIDE;
  91   virtual gfx::Size GetMaximumDialogSize() OVERRIDE;
  92   virtual void AddObserver(
  93       web_modal::ModalDialogHostObserver* observer) OVERRIDE;
  94   virtual void RemoveObserver(
  95       web_modal::ModalDialogHostObserver* observer) OVERRIDE;
  96
  97   content::WebContents* web_contents() const {
  98     return shell_window_->web_contents();
  99   }
 100   const extensions::Extension* extension() const {
 101     return shell_window_->extension();
 102   }
 103
 104   virtual ~NativeAppWindowGtk();
 105
 106   // If the point (|x|, |y|) is within the resize border area of the window,
 107   // returns true and sets |edge| to the appropriate GdkWindowEdge value.
 108   // Otherwise, returns false.
 109   bool GetWindowEdge(int x, int y, GdkWindowEdge* edge);
 110
 111   CHROMEGTK_CALLBACK_1(NativeAppWindowGtk, gboolean, OnMainWindowDeleteEvent,
 112                        GdkEvent*);
 113   CHROMEGTK_CALLBACK_1(NativeAppWindowGtk, gboolean, OnConfigure,
 114                        GdkEventConfigure*);
 115   CHROMEGTK_CALLBACK_1(NativeAppWindowGtk, gboolean, OnWindowState,
 116                        GdkEventWindowState*);
 117   CHROMEGTK_CALLBACK_1(NativeAppWindowGtk, gboolean, OnMouseMoveEvent,
 118                        GdkEventMotion*);
 119   CHROMEGTK_CALLBACK_1(NativeAppWindowGtk, gboolean, OnButtonPress,
 120                        GdkEventButton*);
 121   // Callback for PropertyChange XEvents.
 122   CHROMEG_CALLBACK_1(NativeAppWindowGtk, GdkFilterReturn,
 123                      OnXEvent, GdkXEvent*, GdkEvent*);
 124
 125   void OnConfigureDebounced();
 126
 127   apps::ShellWindow* shell_window_;  // weak - ShellWindow owns NativeAppWindow.
 128
 129   GtkWindow* window_;
 130   GdkWindowState state_;
 131
 132   // True if the window manager thinks the window is active.  Not all window
 133   // managers keep track of this state (_NET_ACTIVE_WINDOW), in which case
 134   // this will always be true.
 135   bool is_active_;
 136
 137   // The position and size of the current window.
 138   gfx::Rect bounds_;
 139
 140   // The position and size of the non-maximized, non-fullscreen window.
 141   gfx::Rect restored_bounds_;
 142
 143   // True if the RVH is in fullscreen mode. The window may not actually be in
 144   // fullscreen, however: some WMs don't support fullscreen.
 145   bool content_thinks_its_fullscreen_;
 146
 147   // Represents whether the window is waiting to be maximized.
 148   bool maximize_pending_;
 149
 150   // The region is treated as title bar, can be dragged to move
 151   // and double clicked to maximize.
 152   scoped_ptr<SkRegion> draggable_region_;
 153
 154   // If true, don't call gdk_window_raise() when we get a click in the title
 155   // bar or window border.  This is to work around a compiz bug.
 156   bool suppress_window_raise_;
 157
 158   // True if the window shows without frame.
 159   bool frameless_;
 160
 161   // True if the window should be resizable by the user.
 162   bool resizable_;
 163
 164   // True if the window should be kept on top of other windows that do not have
 165   // this flag enabled.
 166   bool always_on_top_;
 167
 168   // The current window cursor.  We set it to a resize cursor when over the
 169   // custom frame border.  We set it to NULL if we want the default cursor.
 170   GdkCursor* frame_cursor_;
 171
 172   // The timer used to save the window position for session restore.
 173   base::OneShotTimer<NativeAppWindowGtk> window_configure_debounce_timer_;
 174
 175   // The Extension Keybinding Registry responsible for registering listeners for
 176   // accelerators that are sent to the window, that are destined to be turned
 177   // into events and sent to the extension.
 178   scoped_ptr<ExtensionKeybindingRegistryGtk> extension_keybinding_registry_;
 179
 180   // Observers to be notified when any web contents modal dialog requires
 181   // updating its dimensions.
 182   ObserverList<web_modal::ModalDialogHostObserver> observer_list_;
 183
 184   ui::X11AtomCache atom_cache_;
 185
 186   // True if we listen for the XEvent.
 187   bool is_x_event_listened_;
 188
 189   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowGtk);
 190 };
 191
 192 #endif  // CHROME_BROWSER_UI_GTK_APPS_NATIVE_APP_WINDOW_GTK_H_