blob: 787372d9c26811da951f50cd56db9e47398a5f21 [file] [log] [blame]
// 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.
#include <X11/extensions/shape.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "base/basictypes.h"
#include "base/cancelable_callback.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "ui/aura/window_tree_host.h"
#include "ui/base/cursor/cursor_loader_x11.h"
#include "ui/events/platform/platform_event_dispatcher.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/x/x11_atom_cache.h"
#include "ui/views/views_export.h"
#include "ui/views/widget/desktop_aura/desktop_window_tree_host.h"
namespace gfx {
class ImageSkia;
class ImageSkiaRep;
namespace ui {
class EventHandler;
namespace views {
class DesktopDragDropClientAuraX11;
class DesktopDispatcherClient;
class DesktopWindowTreeHostObserverX11;
class X11DesktopWindowMoveClient;
class X11WindowEventFilter;
class VIEWS_EXPORT DesktopWindowTreeHostX11
: public DesktopWindowTreeHost,
public aura::WindowTreeHost,
public ui::PlatformEventDispatcher {
internal::NativeWidgetDelegate* native_widget_delegate,
DesktopNativeWidgetAura* desktop_native_widget_aura);
~DesktopWindowTreeHostX11() override;
// A way of converting an X11 |xid| host window into a |content_window_|.
static aura::Window* GetContentWindowForXID(XID xid);
// A way of converting an X11 |xid| host window into this object.
static DesktopWindowTreeHostX11* GetHostForXID(XID xid);
// Get all open top-level windows. This includes windows that may not be
// visible. This list is sorted in their stacking order, i.e. the first window
// is the topmost window.
static std::vector<aura::Window*> GetAllOpenWindows();
// Returns the current bounds in terms of the X11 Root Window.
gfx::Rect GetX11RootWindowBounds() const;
// Returns the current bounds in terms of the X11 Root Window including the
// borders provided by the window manager (if any).
gfx::Rect GetX11RootWindowOuterBounds() const;
// Returns the window shape if the window is not rectangular. Returns NULL
// otherwise.
::Region GetWindowShape() const;
// Called by X11DesktopHandler to notify us that the native windowing system
// has changed our activation.
void HandleNativeWidgetActivationChanged(bool active);
void AddObserver(views::DesktopWindowTreeHostObserverX11* observer);
void RemoveObserver(views::DesktopWindowTreeHostObserverX11* observer);
// Swaps the current handler for events in the non client view with |handler|.
void SwapNonClientEventHandler(scoped_ptr<ui::EventHandler> handler);
// Runs the |func| callback for each content-window, and deallocates the
// internal list of open windows.
static void CleanUpWindowList(void (*func)(aura::Window* window));
// Overridden from DesktopWindowTreeHost:
void Init(aura::Window* content_window,
const Widget::InitParams& params) override;
void OnNativeWidgetCreated(const Widget::InitParams& params) override;
scoped_ptr<corewm::Tooltip> CreateTooltip() override;
scoped_ptr<aura::client::DragDropClient> CreateDragDropClient(
DesktopNativeCursorManager* cursor_manager) override;
void Close() override;
void CloseNow() override;
aura::WindowTreeHost* AsWindowTreeHost() override;
void ShowWindowWithState(ui::WindowShowState show_state) override;
void ShowMaximizedWithBounds(const gfx::Rect& restored_bounds) override;
bool IsVisible() const override;
void SetSize(const gfx::Size& requested_size) override;
void StackAbove(aura::Window* window) override;
void StackAtTop() override;
void CenterWindow(const gfx::Size& size) override;
void GetWindowPlacement(gfx::Rect* bounds,
ui::WindowShowState* show_state) const override;
gfx::Rect GetWindowBoundsInScreen() const override;
gfx::Rect GetClientAreaBoundsInScreen() const override;
gfx::Rect GetRestoredBounds() const override;
gfx::Rect GetWorkAreaBoundsInScreen() const override;
void SetShape(SkRegion* native_region) override;
void Activate() override;
void Deactivate() override;
bool IsActive() const override;
void Maximize() override;
void Minimize() override;
void Restore() override;
bool IsMaximized() const override;
bool IsMinimized() const override;
bool HasCapture() const override;
void SetAlwaysOnTop(bool always_on_top) override;
bool IsAlwaysOnTop() const override;
void SetVisibleOnAllWorkspaces(bool always_visible) override;
bool SetWindowTitle(const base::string16& title) override;
void ClearNativeFocus() override;
Widget::MoveLoopResult RunMoveLoop(
const gfx::Vector2d& drag_offset,
Widget::MoveLoopSource source,
Widget::MoveLoopEscapeBehavior escape_behavior) override;
void EndMoveLoop() override;
void SetVisibilityChangedAnimationsEnabled(bool value) override;
bool ShouldUseNativeFrame() const override;
bool ShouldWindowContentsBeTransparent() const override;
void FrameTypeChanged() override;
void SetFullscreen(bool fullscreen) override;
bool IsFullscreen() const override;
void SetOpacity(unsigned char opacity) override;
void SetWindowIcons(const gfx::ImageSkia& window_icon,
const gfx::ImageSkia& app_icon) override;
void InitModalType(ui::ModalType modal_type) override;
void FlashFrame(bool flash_frame) override;
void OnRootViewLayout() override;
void OnNativeWidgetFocus() override;
void OnNativeWidgetBlur() override;
bool IsAnimatingClosed() const override;
bool IsTranslucentWindowOpacitySupported() const override;
void SizeConstraintsChanged() override;
// Overridden from aura::WindowTreeHost:
gfx::Transform GetRootTransform() const override;
ui::EventSource* GetEventSource() override;
gfx::AcceleratedWidget GetAcceleratedWidget() override;
void ShowImpl() override;
void HideImpl() override;
gfx::Rect GetBounds() const override;
void SetBounds(const gfx::Rect& requested_bounds_in_pixels) override;
gfx::Point GetLocationOnNativeScreen() const override;
void SetCapture() override;
void ReleaseCapture() override;
void SetCursorNative(gfx::NativeCursor cursor) override;
void MoveCursorToNative(const gfx::Point& location) override;
void OnCursorVisibilityChangedNative(bool show) override;
friend class DesktopWindowTreeHostX11HighDPITest;
// Initializes our X11 surface to draw on. This method performs all
// initialization related to talking to the X11 server.
void InitX11Window(const Widget::InitParams& params);
// Creates an aura::WindowEventDispatcher to contain the |content_window|,
// along with all aura client objects that direct behavior.
aura::WindowEventDispatcher* InitDispatcher(const Widget::InitParams& params);
// Adjusts |requested_size| to avoid the WM "feature" where setting the
// window size to the monitor size causes the WM to set the EWMH for
// fullscreen.
gfx::Size AdjustSize(const gfx::Size& requested_size);
// Called when |xwindow_|'s _NET_WM_STATE property is updated.
void OnWMStateUpdated();
// Called when |xwindow_|'s _NET_FRAME_EXTENTS property is updated.
void OnFrameExtentsUpdated();
// Updates |xwindow_|'s minimum and maximum size.
void UpdateMinAndMaxSize();
// Updates |xwindow_|'s _NET_WM_USER_TIME if |xwindow_| is active.
void UpdateWMUserTime(const ui::PlatformEvent& event);
// Sends a message to the x11 window manager, enabling or disabling the
// states |state1| and |state2|.
void SetWMSpecState(bool enabled, ::Atom state1, ::Atom state2);
// Checks if the window manager has set a specific state.
bool HasWMSpecProperty(const char* property) const;
// Sets whether the window's borders are provided by the window manager.
void SetUseNativeFrame(bool use_native_frame);
// Dispatches a mouse event, taking mouse capture into account. If a
// different host has capture, we translate the event to its coordinate space
// and dispatch it to that host instead.
void DispatchMouseEvent(ui::MouseEvent* event);
// Dispatches a touch event, taking capture into account. If a different host
// has capture, then touch-press events are translated to its coordinate space
// and dispatched to that host instead.
void DispatchTouchEvent(ui::TouchEvent* event);
// Updates the location of |located_event| to be in |host|'s coordinate system
// so that it can be dispatched to |host|.
void ConvertEventToDifferentHost(ui::LocatedEvent* located_event,
DesktopWindowTreeHostX11* host);
// Resets the window region for the current widget bounds if necessary.
void ResetWindowRegion();
// Serializes an image to the format used by _NET_WM_ICON.
void SerializeImageRepresentation(const gfx::ImageSkiaRep& rep,
std::vector<unsigned long>* data);
// Returns an 8888 ARGB visual. Can return NULL if there is no matching
// visual on this display.
Visual* GetARGBVisual();
// See comment for variable open_windows_.
static std::list<XID>& open_windows();
// Map the window (shows it) taking into account the given |show_state|.
void MapWindow(ui::WindowShowState show_state);
void SetWindowTransparency();
// Relayout the widget's client and non-client views.
void Relayout();
// ui::PlatformEventDispatcher:
bool CanDispatchEvent(const ui::PlatformEvent& event) override;
uint32_t DispatchEvent(const ui::PlatformEvent& event) override;
void DelayedResize(const gfx::Size& size_in_pixels);
gfx::Rect GetWorkAreaBoundsInPixels() const;
gfx::Rect ToDIPRect(const gfx::Rect& rect_in_pixels) const;
gfx::Rect ToPixelRect(const gfx::Rect& rect_in_dip) const;
// X11 things
// The display and the native X window hosting the root window.
XDisplay* xdisplay_;
::Window xwindow_;
// The native root window.
::Window x_root_window_;
ui::X11AtomCache atom_cache_;
// Is the window mapped to the screen?
bool window_mapped_;
// The bounds of |xwindow_|.
gfx::Rect bounds_in_pixels_;
// Whenever the bounds are set, we keep the previous set of bounds around so
// we can have a better chance of getting the real
// |restored_bounds_in_pixels_|. Window managers tend to send a Configure
// message with the maximized bounds, and then set the window maximized
// property. (We don't rely on this for when we request that the window be
// maximized, only when we detect that some other process has requested that
// we become the maximized window.)
gfx::Rect previous_bounds_in_pixels_;
// The bounds of our window before we were maximized.
gfx::Rect restored_bounds_in_pixels_;
// |xwindow_|'s minimum size.
gfx::Size min_size_in_pixels_;
// |xwindow_|'s maximum size.
gfx::Size max_size_in_pixels_;
// The window manager state bits.
std::set< ::Atom> window_properties_;
// Whether |xwindow_| was requested to be fullscreen via SetFullscreen().
bool is_fullscreen_;
// True if the window should stay on top of most other windows.
bool is_always_on_top_;
// True if the window has title-bar / borders provided by the window manager.
bool use_native_frame_;
// True if a Maximize() call should be done after mapping the window.
bool should_maximize_after_map_;
// Whether we used an ARGB visual for our window.
bool use_argb_visual_;
DesktopDragDropClientAuraX11* drag_drop_client_;
scoped_ptr<ui::EventHandler> x11_non_client_event_filter_;
scoped_ptr<X11DesktopWindowMoveClient> x11_window_move_client_;
// TODO(beng): Consider providing an interface to DesktopNativeWidgetAura
// instead of providing this route back to Widget.
internal::NativeWidgetDelegate* native_widget_delegate_;
DesktopNativeWidgetAura* desktop_native_widget_aura_;
aura::Window* content_window_;
// We can optionally have a parent which can order us to close, or own
// children who we're responsible for closing when we CloseNow().
DesktopWindowTreeHostX11* window_parent_;
std::set<DesktopWindowTreeHostX11*> window_children_;
base::ObserverList<DesktopWindowTreeHostObserverX11> observer_list_;
// The window shape if the window is non-rectangular.
gfx::XScopedPtr<_XRegion, gfx::XObjectDeleter<_XRegion, int, XDestroyRegion>>
// Whether |window_shape_| was set via SetShape().
bool custom_window_shape_;
// The size of the window manager provided borders (if any).
gfx::Insets native_window_frame_borders_in_pixels_;
// The current DesktopWindowTreeHostX11 which has capture. Set synchronously
// when capture is requested via SetCapture().
static DesktopWindowTreeHostX11* g_current_capture;
// A list of all (top-level) windows that have been created but not yet
// destroyed.
static std::list<XID>* open_windows_;
base::string16 window_title_;
// Whether we currently are flashing our frame. This feature is implemented
// by setting the urgency hint with the window manager, which can draw
// attention to the window or completely ignore the hint. We stop flashing
// the frame when |xwindow_| gains focus or handles a mouse button event.
bool urgency_hint_set_;
base::CancelableCallback<void()> delayed_resize_task_;
base::WeakPtrFactory<DesktopWindowTreeHostX11> close_widget_factory_;
} // namespace views