views: Move widget/ directory to ui/views.

views/widget/native_widget_gtk.h

Index: views/widget/native_widget_gtk.h
diff --git a/views/widget/native_widget_gtk.h b/views/widget/native_widget_gtk.h
deleted file mode 100644
index 1dcdace123c16fb334f5e979471f5949945402fe..0000000000000000000000000000000000000000
--- a/views/widget/native_widget_gtk.h
+++ /dev/null
@@ -1,475 +0,0 @@
-// 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 VIEWS_WIDGET_NATIVE_WIDGET_GTK_H_
-#define VIEWS_WIDGET_NATIVE_WIDGET_GTK_H_
-#pragma once
-
-#include <gtk/gtk.h>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/message_loop.h"
-#include "ui/base/gtk/gtk_signal.h"
-#include "ui/base/x/active_window_watcher_x.h"
-#include "ui/gfx/compositor/compositor.h"
-#include "ui/gfx/size.h"
-#include "ui/views/focus/focus_manager.h"
-#include "views/widget/native_widget_private.h"
-#include "views/widget/widget.h"
-
-namespace gfx {
-class Rect;
-}
-
-namespace ui {
-class OSExchangeData;
-class OSExchangeDataProviderGtk;
-class GtkSignalRegistrar;
-}
-using ui::OSExchangeData;
-using ui::OSExchangeDataProviderGtk;
-
-namespace views {
-
-class DropTargetGtk;
-class InputMethod;
-class View;
-
-namespace internal {
-class NativeWidgetDelegate;
-}
-
-// Widget implementation for GTK.
-class VIEWS_EXPORT NativeWidgetGtk : public internal::NativeWidgetPrivate,
-                                     public ui::CompositorDelegate,
-                                     public ui::ActiveWindowWatcherX::Observer {
- public:
-  explicit NativeWidgetGtk(internal::NativeWidgetDelegate* delegate);
-  virtual ~NativeWidgetGtk();
-
-  // Returns the transient parent. See make_transient_to_parent for details on
-  // what the transient parent is.
-  GtkWindow* GetTransientParent() const;
-
-  // Makes the background of the window totally transparent. This must be
-  // invoked before Init. This does a couple of checks and returns true if
-  // the window can be made transparent. The actual work of making the window
-  // transparent is done by ConfigureWidgetForTransparentBackground.
-  // This works for both child and window types.
-  bool MakeTransparent();
-  bool is_transparent() const { return transparent_; }
-
-  // Enable/Disable double buffering.This is neccessary to prevent
-  // flickering in ScrollView, which has both native and view
-  // controls.
-  void EnableDoubleBuffer(bool enabled);
-  bool is_double_buffered() const { return is_double_buffered_; }
-
-  bool is_ignore_events() const { return ignore_events_; }
-
-  // Adds and removes the specified widget as a child of this widget's contents.
-  // These methods make sure to add the widget to the window's contents
-  // container if this widget is a window.
-  void AddChild(GtkWidget* child);
-  void RemoveChild(GtkWidget* child);
-
-  // A safe way to reparent a child widget to this widget. Calls
-  // gtk_widget_reparent which handles refcounting to avoid destroying the
-  // widget when removing it from its old parent.
-  void ReparentChild(GtkWidget* child);
-
-  // Positions a child GtkWidget at the specified location and bounds.
-  void PositionChild(GtkWidget* child, int x, int y, int w, int h);
-
-  // Parent GtkWidget all children are added to. When this NativeWidgetGtk
-  // corresponds to a top level window, this is the GtkFixed within the
-  // GtkWindow, not the GtkWindow itself. For child widgets, this is the same
-  // GtkFixed as |widget_|.
-  GtkWidget* window_contents() const { return window_contents_; }
-
-  // Starts a drag on this widget. This blocks until the drag is done.
-  void DoDrag(const OSExchangeData& data, int operation);
-
-  // Invoked when the active status changes.
-  virtual void OnActiveChanged();
-
-  // Sets the drop target to NULL. This is invoked by DropTargetGTK when the
-  // drop is done.
-  void ResetDropTarget();
-
-  // Gets the requested size of the widget.  This can be the size
-  // stored in properties for a GtkViewsFixed, or in the requisitioned
-  // size of other kinds of widgets.
-  void GetRequestedSize(gfx::Size* out) const;
-
-  // Overridden from ui::ActiveWindowWatcherX::Observer.
-  virtual void ActiveWindowChanged(GdkWindow* active_window) OVERRIDE;
-
-  // Handles a keyboard event by sending it to our focus manager.
-  // Returns true if it's handled by the focus manager.
-  bool HandleKeyboardEvent(const KeyEvent& key);
-
-  // Tells widget not to remove FREEZE_UPDATES property when the
-  // widget is painted.  This is used if painting the gtk widget
-  // is not enough to show the window and has to wait further like
-  // keyboard overlay. Returns true if this is called before
-  // FREEZE_UPDATES property is removed, or false otherwise.
-  bool SuppressFreezeUpdates();
-
-  // Sets and deletes FREEZE_UPDATES property on given |window|.
-  // It adds the property when |enable| is true and remove if false.
-  // Calling this method will realize the window if it's not realized yet.
-  // This property is used to help WindowManager know when the window
-  // is fully painted so that WM can map the fully painted window.
-  // The property is based on Owen Taylor's proposal at
-  // http://mail.gnome.org/archives/wm-spec-list/2009-June/msg00002.html.
-  // This is just a hint to WM, and won't change the behavior for WM
-  // which does not support this property.
-  static void UpdateFreezeUpdatesProperty(GtkWindow* window, bool enable);
-
-  // Registers a expose handler that removes FREEZE_UPDATES property.
-  // If you are adding a GtkWidget with its own GdkWindow that may
-  // fill the entire area of the NativeWidgetGtk to the view hierachy, you
-  // need use this function to tell WM that when the widget is ready
-  // to be shown.
-  // Caller of this method do not need to disconnect this because the
-  // handler will be removed upon the first invocation of the handler,
-  // or when the widget is re-attached, and expose won't be emitted on
-  // detached widget.
-  static void RegisterChildExposeHandler(GtkWidget* widget);
-
-  // Overridden from internal::NativeWidgetPrivate:
-  virtual void InitNativeWidget(const Widget::InitParams& params) OVERRIDE;
-  virtual NonClientFrameView* CreateNonClientFrameView() OVERRIDE;
-  virtual void UpdateFrameAfterFrameChange() OVERRIDE;
-  virtual bool ShouldUseNativeFrame() const OVERRIDE;
-  virtual void FrameTypeChanged() OVERRIDE;
-  virtual Widget* GetWidget() OVERRIDE;
-  virtual const Widget* GetWidget() const OVERRIDE;
-  virtual gfx::NativeView GetNativeView() const OVERRIDE;
-  virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE;
-  virtual Widget* GetTopLevelWidget() OVERRIDE;
-  virtual const ui::Compositor* GetCompositor() const OVERRIDE;
-  virtual ui::Compositor* GetCompositor() OVERRIDE;
-  virtual void CalculateOffsetToAncestorWithLayer(
-      gfx::Point* offset,
-      ui::Layer** layer_parent) OVERRIDE;
-  virtual void ReorderLayers() OVERRIDE;
-  virtual void ViewRemoved(View* view) OVERRIDE;
-  virtual void SetNativeWindowProperty(const char* name, void* value) OVERRIDE;
-  virtual void* GetNativeWindowProperty(const char* name) const OVERRIDE;
-  virtual TooltipManager* GetTooltipManager() const OVERRIDE;
-  virtual bool IsScreenReaderActive() const OVERRIDE;
-  virtual void SendNativeAccessibilityEvent(
-      View* view,
-      ui::AccessibilityTypes::Event event_type) OVERRIDE;
-  virtual void SetMouseCapture() OVERRIDE;
-  virtual void ReleaseMouseCapture() OVERRIDE;
-  virtual bool HasMouseCapture() const OVERRIDE;
-  virtual InputMethod* CreateInputMethod() OVERRIDE;
-  virtual void CenterWindow(const gfx::Size& size) OVERRIDE;
-  virtual void GetWindowPlacement(
-      gfx::Rect* bounds,
-      ui::WindowShowState* show_state) const OVERRIDE;
-  virtual void SetWindowTitle(const string16& title) OVERRIDE;
-  virtual void SetWindowIcons(const SkBitmap& window_icon,
-                              const SkBitmap& app_icon) OVERRIDE;
-  virtual void SetAccessibleName(const string16& name) OVERRIDE;
-  virtual void SetAccessibleRole(ui::AccessibilityTypes::Role role) OVERRIDE;
-  virtual void SetAccessibleState(ui::AccessibilityTypes::State state) OVERRIDE;
-  virtual void BecomeModal() OVERRIDE;
-  virtual gfx::Rect GetWindowScreenBounds() const OVERRIDE;
-  virtual gfx::Rect GetClientAreaScreenBounds() const OVERRIDE;
-  virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
-  virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
-  virtual void SetSize(const gfx::Size& size) OVERRIDE;
-  virtual void MoveAbove(gfx::NativeView native_view) OVERRIDE;
-  virtual void MoveToTop() OVERRIDE;
-  virtual void SetShape(gfx::NativeRegion shape) OVERRIDE;
-  virtual void Close() OVERRIDE;
-  virtual void CloseNow() OVERRIDE;
-  virtual void EnableClose(bool enable) OVERRIDE;
-  virtual void Show() OVERRIDE;
-  virtual void Hide() OVERRIDE;
-  virtual void ShowMaximizedWithBounds(
-      const gfx::Rect& restored_bounds) OVERRIDE;
-  virtual void ShowWithWindowState(ui::WindowShowState window_state) OVERRIDE;
-  virtual bool IsVisible() const OVERRIDE;
-  virtual void Activate() OVERRIDE;
-  virtual void Deactivate() OVERRIDE;
-  virtual bool IsActive() const OVERRIDE;
-  virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
-  virtual void Maximize() OVERRIDE;
-  virtual void Minimize() OVERRIDE;
-  virtual bool IsMaximized() const OVERRIDE;
-  virtual bool IsMinimized() const OVERRIDE;
-  virtual void Restore() OVERRIDE;
-  virtual void SetFullscreen(bool fullscreen) OVERRIDE;
-  virtual bool IsFullscreen() const OVERRIDE;
-  virtual void SetOpacity(unsigned char opacity) OVERRIDE;
-  virtual void SetUseDragFrame(bool use_drag_frame) OVERRIDE;
-  virtual bool IsAccessibleWidget() const OVERRIDE;
-  virtual void RunShellDrag(View* view,
-                            const ui::OSExchangeData& data,
-                            int operation) OVERRIDE;
-  virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE;
-  virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE;
-  virtual void ClearNativeFocus() OVERRIDE;
-  virtual void FocusNativeView(gfx::NativeView native_view) OVERRIDE;
-  virtual bool ConvertPointFromAncestor(
-      const Widget* ancestor, gfx::Point* point) const OVERRIDE;
-  virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE;
-  virtual void SetInactiveRenderingDisabled(bool value) OVERRIDE;
-
- protected:
-  // Modifies event coordinates to the targeted widget contained by this widget.
-  template<class Event> GdkEvent* TransformEvent(Event* event) {
-    GdkWindow* dest = GTK_WIDGET(window_contents_)->window;
-    if (event && event->window != dest) {
-      gint dest_x, dest_y;
-      gdk_window_get_root_origin(dest, &dest_x, &dest_y);
-      event->x = event->x_root - dest_x;
-      event->y = event->y_root - dest_y;
-    }
-    return reinterpret_cast<GdkEvent*>(event);
-  }
-
-  // Event handlers:
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnButtonPress,
-                       GdkEventButton*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, void, OnSizeRequest,
-                               GtkRequisition*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, void, OnSizeAllocate,
-                               GtkAllocation*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnPaint,
-                               GdkEventExpose*);
-  CHROMEGTK_VIRTUAL_CALLBACK_4(NativeWidgetGtk, void, OnDragDataGet,
-                               GdkDragContext*, GtkSelectionData*, guint,
-                               guint);
-  CHROMEGTK_VIRTUAL_CALLBACK_6(NativeWidgetGtk, void, OnDragDataReceived,
-                               GdkDragContext*, gint, gint, GtkSelectionData*,
-                               guint, guint);
-  CHROMEGTK_VIRTUAL_CALLBACK_4(NativeWidgetGtk, gboolean, OnDragDrop,
-                               GdkDragContext*, gint, gint, guint);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, void, OnDragEnd,
-                               GdkDragContext*);
-  CHROMEGTK_VIRTUAL_CALLBACK_2(NativeWidgetGtk, gboolean, OnDragFailed,
-                               GdkDragContext*, GtkDragResult);
-  CHROMEGTK_VIRTUAL_CALLBACK_2(NativeWidgetGtk, void, OnDragLeave,
-                               GdkDragContext*, guint);
-  CHROMEGTK_VIRTUAL_CALLBACK_4(NativeWidgetGtk, gboolean, OnDragMotion,
-                               GdkDragContext*, gint, gint, guint);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnEnterNotify,
-                               GdkEventCrossing*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnLeaveNotify,
-                               GdkEventCrossing*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnMotionNotify,
-                               GdkEventMotion*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnButtonRelease,
-                               GdkEventButton*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnFocusIn,
-                               GdkEventFocus*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnFocusOut,
-                               GdkEventFocus*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnEventKey,
-                               GdkEventKey*);
-  CHROMEGTK_VIRTUAL_CALLBACK_4(NativeWidgetGtk, gboolean, OnQueryTooltip, gint,
-                               gint, gboolean, GtkTooltip*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnScroll,
-                               GdkEventScroll*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnVisibilityNotify,
-                               GdkEventVisibility*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnGrabBrokeEvent,
-                               GdkEvent*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, void, OnGrabNotify, gboolean);
-  CHROMEGTK_VIRTUAL_CALLBACK_0(NativeWidgetGtk, void, OnDestroy);
-  CHROMEGTK_VIRTUAL_CALLBACK_0(NativeWidgetGtk, void, OnShow);
-  CHROMEGTK_VIRTUAL_CALLBACK_0(NativeWidgetGtk, void, OnMap);
-  CHROMEGTK_VIRTUAL_CALLBACK_0(NativeWidgetGtk, void, OnHide);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnWindowStateEvent,
-                               GdkEventWindowState*);
-  CHROMEGTK_VIRTUAL_CALLBACK_1(NativeWidgetGtk, gboolean, OnConfigureEvent,
-                               GdkEventConfigure*);
-
-  // Invoked when the widget is destroyed and right before the object
-  // destruction. Useful for overriding.
-  virtual void OnDestroyed(GObject *where_the_object_was);
-  static void OnDestroyedThunk(gpointer data, GObject *where_the_object_was) {
-    reinterpret_cast<NativeWidgetGtk*>(data)->OnDestroyed(where_the_object_was);
-  }
-
-  // Invoked when gtk grab is stolen by other GtkWidget in the same
-  // application.
-  virtual void HandleGtkGrabBroke();
-
-  const internal::NativeWidgetDelegate* delegate() const { return delegate_; }
-  internal::NativeWidgetDelegate* delegate() { return delegate_; }
-
- private:
-  class DropObserver;
-  friend class DropObserver;
-
-  // Overridden from ui::CompositorDelegate
-  virtual void ScheduleDraw();
-
-  // Overridden from internal::InputMethodDelegate
-  virtual void DispatchKeyEventPostIME(const KeyEvent& key) OVERRIDE;
-
-  void SetInitParams(const Widget::InitParams& params);
-
-  // This is called only when the window is transparent.
-  CHROMEGTK_CALLBACK_1(NativeWidgetGtk, gboolean, OnWindowPaint,
-                       GdkEventExpose*);
-
-  // Callbacks for expose event on child widgets. See the description of
-  // RegisterChildChildExposeHandler.
-  void OnChildExpose(GtkWidget* child);
-  static gboolean ChildExposeHandler(GtkWidget* widget, GdkEventExpose* event);
-
-  // Creates the GtkWidget.
-  void CreateGtkWidget(const Widget::InitParams& params);
-
-  // Invoked from create widget to enable the various bits needed for a
-  // transparent background. This is only invoked if MakeTransparent has been
-  // invoked.
-  void ConfigureWidgetForTransparentBackground(GtkWidget* parent);
-
-  // Invoked from create widget to enable the various bits needed for a
-  // window which doesn't receive events.
-  void ConfigureWidgetForIgnoreEvents();
-
-  // A utility function to draw a transparent background onto the |widget|.
-  static void DrawTransparentBackground(GtkWidget* widget,
-                                        GdkEventExpose* event);
-
-  // Asks the delegate if any to save the window's location and size.
-  void SaveWindowPosition();
-
-  // A delegate implementation that handles events received here.
-  // See class documentation for Widget in widget.h for a note about ownership.
-  internal::NativeWidgetDelegate* delegate_;
-
-  // Our native views. If we're a window/popup, then widget_ is the window and
-  // window_contents_ is a GtkFixed. If we're not a window/popup, then widget_
-  // and window_contents_ point to the same GtkFixed.
-  GtkWidget* widget_;
-  GtkWidget* window_contents_;
-
-  // Child GtkWidgets created with no parent need to be parented to a valid top
-  // level window otherwise Gtk throws a fit. |null_parent_| is an invisible
-  // popup that such GtkWidgets are parented to.
-  static GtkWidget* null_parent_;
-
-  // True if the widget is a child of some other widget.
-  bool child_;
-
-  // The TooltipManager.
-  // WARNING: RootView's destructor calls into the TooltipManager. As such, this
-  // must be destroyed AFTER root_view_.
-  scoped_ptr<TooltipManager> tooltip_manager_;
-
-  scoped_ptr<DropTargetGtk> drop_target_;
-
-  // The following factory is used to delay destruction.
-  base::WeakPtrFactory<NativeWidgetGtk> close_widget_factory_;
-
-  // See class documentation for Widget in widget.h for a note about ownership.
-  Widget::InitParams::Ownership ownership_;
-
-  // See description above make_transparent for details.
-  bool transparent_;
-
-  // Makes the window pass all events through to any windows behind it.
-  // Set during SetInitParams before the widget is created. The actual work of
-  // making the window ignore events is done by ConfigureWidgetForIgnoreEvents.
-  bool ignore_events_;
-
-  // See note in DropObserver for details on this.
-  bool ignore_drag_leave_;
-
-  unsigned char opacity_;
-
-  // This is non-null during the life of DoDrag and contains the actual data
-  // for the drag.
-  const OSExchangeDataProviderGtk* drag_data_;
-
-  // True to enable debug painting. Enabling causes the damaged
-  // region to be painted to flash in red.
-  static bool debug_paint_enabled_;
-
-  // State of the window, such as fullscreen, hidden...
-  GdkWindowState window_state_;
-
-  // Are we active?
-  bool is_active_;
-
-  // See make_transient_to_parent for a description.
-  bool transient_to_parent_;
-
-  // Last size supplied to OnSizeAllocate. We cache this as any time the
-  // size of a GtkWidget changes size_allocate is called, even if the size
-  // didn't change. If we didn't cache this and ignore calls when the size
-  // hasn't changed, we can end up getting stuck in a never ending loop.
-  gfx::Size size_;
-
-  // This is initially false and when the first focus-in event is received this
-  // is set to true and no additional processing is done. Subsequently when
-  // focus-in is received we do the normal focus manager processing.
-  //
-  // This behavior is necessitated by Gtk/X sending focus events
-  // asynchronously. The initial sequence for windows is typically: show,
-  // request focus on some widget. Because of async events on Gtk this becomes
-  // show, request focus, get focus in event which ends up clearing focus
-  // (first request to FocusManager::RestoreFocusedView ends up clearing focus).
-  bool got_initial_focus_in_;
-
-  // If true, we've received a focus-in event. If false we've received a
-  // focus-out event. We can get multiple focus-out events in a row, we use
-  // this to determine whether we should process the event.
-  bool has_focus_;
-
-  // If true, the window stays on top of the screen. This is only used
-  // for types other than TYPE_CHILD.
-  bool always_on_top_;
-
-  // If true, we enable the content widget's double buffering.
-  // This is false by default.
-  bool is_double_buffered_;
-
-  // Indicates if we should handle the upcoming Alt key release event.
-  bool should_handle_menu_key_release_;
-
-  // Valid for the lifetime of StartDragForViewFromMouseEvent, indicates the
-  // view the drag started from.
-  View* dragged_view_;
-
-  // If the widget has ever been painted. This is used to guarantee
-  // that window manager shows the window only after the window is painted.
-  bool painted_;
-
-  // The compositor for accelerated drawing.
-  scoped_refptr<ui::Compositor> compositor_;
-
-  // Have we done a pointer grab?
-  bool has_pointer_grab_;
-
-  // Have we done a keyboard grab?
-  bool has_keyboard_grab_;
-
-  // ID of the 'grab-notify' signal. If non-zero we're listening for
-  // 'grab-notify' events.
-  glong grab_notify_signal_id_;
-
-  // If we were created for a menu.
-  bool is_menu_;
-
-  scoped_ptr<ui::GtkSignalRegistrar> signal_registrar_;
-
-  DISALLOW_COPY_AND_ASSIGN(NativeWidgetGtk);
-};
-
-}  // namespace views
-
-#endif  // VIEWS_WIDGET_NATIVE_WIDGET_GTK_H_