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// 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.
#ifndef UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_
#define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_
#include "ui/aura/window_tree_host.h"
#include "ui/views/views_export.h"
#include "ui/views/widget/desktop_aura/desktop_window_tree_host.h"
#include "ui/views/win/hwnd_message_handler_delegate.h"
#include "ui/wm/public/animation_host.h"
namespace aura {
namespace client {
class DragDropClient;
class FocusClient;
class ScopedTooltipDisabler;
}
}
namespace views {
class DesktopCursorClient;
class DesktopDragDropClientWin;
class HWNDMessageHandler;
namespace corewm {
class TooltipWin;
}
class VIEWS_EXPORT DesktopWindowTreeHostWin
: public DesktopWindowTreeHost,
public aura::client::AnimationHost,
public aura::WindowTreeHost,
public ui::EventSource,
public HWNDMessageHandlerDelegate {
public:
DesktopWindowTreeHostWin(
internal::NativeWidgetDelegate* native_widget_delegate,
DesktopNativeWidgetAura* desktop_native_widget_aura);
virtual ~DesktopWindowTreeHostWin();
// A way of converting an HWND into a content window.
static aura::Window* GetContentWindowForHWND(HWND hwnd);
protected:
// Overridden from DesktopWindowTreeHost:
virtual void Init(aura::Window* content_window,
const Widget::InitParams& params) OVERRIDE;
virtual void OnNativeWidgetCreated(const Widget::InitParams& params) OVERRIDE;
virtual scoped_ptr<corewm::Tooltip> CreateTooltip() OVERRIDE;
virtual scoped_ptr<aura::client::DragDropClient>
CreateDragDropClient(DesktopNativeCursorManager* cursor_manager) OVERRIDE;
virtual void Close() OVERRIDE;
virtual void CloseNow() OVERRIDE;
virtual aura::WindowTreeHost* AsWindowTreeHost() OVERRIDE;
virtual void ShowWindowWithState(ui::WindowShowState show_state) OVERRIDE;
virtual void ShowMaximizedWithBounds(
const gfx::Rect& restored_bounds) OVERRIDE;
virtual bool IsVisible() const OVERRIDE;
virtual void SetSize(const gfx::Size& size) OVERRIDE;
virtual void StackAtTop() OVERRIDE;
virtual void CenterWindow(const gfx::Size& size) OVERRIDE;
virtual void GetWindowPlacement(
gfx::Rect* bounds,
ui::WindowShowState* show_state) const OVERRIDE;
virtual gfx::Rect GetWindowBoundsInScreen() const OVERRIDE;
virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE;
virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE;
virtual void SetShape(gfx::NativeRegion native_region) OVERRIDE;
virtual void Activate() OVERRIDE;
virtual void Deactivate() OVERRIDE;
virtual bool IsActive() const OVERRIDE;
virtual void Maximize() OVERRIDE;
virtual void Minimize() OVERRIDE;
virtual void Restore() OVERRIDE;
virtual bool IsMaximized() const OVERRIDE;
virtual bool IsMinimized() const OVERRIDE;
virtual bool HasCapture() const OVERRIDE;
virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
virtual bool IsAlwaysOnTop() const OVERRIDE;
virtual void SetVisibleOnAllWorkspaces(bool always_visible) OVERRIDE;
virtual bool SetWindowTitle(const base::string16& title) OVERRIDE;
virtual void ClearNativeFocus() OVERRIDE;
virtual Widget::MoveLoopResult RunMoveLoop(
const gfx::Vector2d& drag_offset,
Widget::MoveLoopSource source,
Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE;
virtual void EndMoveLoop() OVERRIDE;
virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE;
virtual bool ShouldUseNativeFrame() const OVERRIDE;
virtual bool ShouldWindowContentsBeTransparent() const OVERRIDE;
virtual void FrameTypeChanged() OVERRIDE;
virtual void SetFullscreen(bool fullscreen) OVERRIDE;
virtual bool IsFullscreen() const OVERRIDE;
virtual void SetOpacity(unsigned char opacity) OVERRIDE;
virtual void SetWindowIcons(const gfx::ImageSkia& window_icon,
const gfx::ImageSkia& app_icon) OVERRIDE;
virtual void InitModalType(ui::ModalType modal_type) OVERRIDE;
virtual void FlashFrame(bool flash_frame) OVERRIDE;
virtual void OnRootViewLayout() OVERRIDE;
virtual void OnNativeWidgetFocus() OVERRIDE;
virtual void OnNativeWidgetBlur() OVERRIDE;
virtual bool IsAnimatingClosed() const OVERRIDE;
virtual bool IsTranslucentWindowOpacitySupported() const OVERRIDE;
// Overridden from aura::WindowTreeHost:
virtual ui::EventSource* GetEventSource() OVERRIDE;
virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
virtual void Show() OVERRIDE;
virtual void Hide() OVERRIDE;
virtual gfx::Rect GetBounds() const OVERRIDE;
virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE;
virtual void SetCapture() OVERRIDE;
virtual void ReleaseCapture() OVERRIDE;
virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE;
virtual void SetCursorNative(gfx::NativeCursor cursor) OVERRIDE;
virtual void OnCursorVisibilityChangedNative(bool show) OVERRIDE;
virtual void MoveCursorToNative(const gfx::Point& location) OVERRIDE;
// Overridden frm ui::EventSource
virtual ui::EventProcessor* GetEventProcessor() OVERRIDE;
// Overridden from aura::client::AnimationHost
virtual void SetHostTransitionOffsets(
const gfx::Vector2d& top_left_delta,
const gfx::Vector2d& bottom_right_delta) OVERRIDE;
virtual void OnWindowHidingAnimationCompleted() OVERRIDE;
// Overridden from HWNDMessageHandlerDelegate:
virtual bool IsWidgetWindow() const OVERRIDE;
virtual bool IsUsingCustomFrame() const OVERRIDE;
virtual void SchedulePaint() OVERRIDE;
virtual void EnableInactiveRendering() OVERRIDE;
virtual bool IsInactiveRenderingDisabled() OVERRIDE;
virtual bool CanResize() const OVERRIDE;
virtual bool CanMaximize() const OVERRIDE;
virtual bool CanActivate() const OVERRIDE;
virtual bool WidgetSizeIsClientSize() const OVERRIDE;
virtual bool IsModal() const OVERRIDE;
virtual int GetInitialShowState() const OVERRIDE;
virtual bool WillProcessWorkAreaChange() const OVERRIDE;
virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE;
virtual void GetWindowMask(const gfx::Size& size, gfx::Path* path) OVERRIDE;
virtual bool GetClientAreaInsets(gfx::Insets* insets) const OVERRIDE;
virtual void GetMinMaxSize(gfx::Size* min_size,
gfx::Size* max_size) const OVERRIDE;
virtual gfx::Size GetRootViewSize() const OVERRIDE;
virtual void ResetWindowControls() OVERRIDE;
virtual void PaintLayeredWindow(gfx::Canvas* canvas) OVERRIDE;
virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
virtual bool ShouldHandleSystemCommands() const OVERRIDE;
virtual InputMethod* GetInputMethod() OVERRIDE;
virtual void HandleAppDeactivated() OVERRIDE;
virtual void HandleActivationChanged(bool active) OVERRIDE;
virtual bool HandleAppCommand(short command) OVERRIDE;
virtual void HandleCancelMode() OVERRIDE;
virtual void HandleCaptureLost() OVERRIDE;
virtual void HandleClose() OVERRIDE;
virtual bool HandleCommand(int command) OVERRIDE;
virtual void HandleAccelerator(const ui::Accelerator& accelerator) OVERRIDE;
virtual void HandleCreate() OVERRIDE;
virtual void HandleDestroying() OVERRIDE;
virtual void HandleDestroyed() OVERRIDE;
virtual bool HandleInitialFocus(ui::WindowShowState show_state) OVERRIDE;
virtual void HandleDisplayChange() OVERRIDE;
virtual void HandleBeginWMSizeMove() OVERRIDE;
virtual void HandleEndWMSizeMove() OVERRIDE;
virtual void HandleMove() OVERRIDE;
virtual void HandleWorkAreaChanged() OVERRIDE;
virtual void HandleVisibilityChanging(bool visible) OVERRIDE;
virtual void HandleVisibilityChanged(bool visible) OVERRIDE;
virtual void HandleClientSizeChanged(const gfx::Size& new_size) OVERRIDE;
virtual void HandleFrameChanged() OVERRIDE;
virtual void HandleNativeFocus(HWND last_focused_window) OVERRIDE;
virtual void HandleNativeBlur(HWND focused_window) OVERRIDE;
virtual bool HandleMouseEvent(const ui::MouseEvent& event) OVERRIDE;
virtual bool HandleKeyEvent(const ui::KeyEvent& event) OVERRIDE;
virtual bool HandleUntranslatedKeyEvent(const ui::KeyEvent& event) OVERRIDE;
virtual void HandleTouchEvent(const ui::TouchEvent& event) OVERRIDE;
virtual bool HandleIMEMessage(UINT message,
WPARAM w_param,
LPARAM l_param,
LRESULT* result) OVERRIDE;
virtual void HandleInputLanguageChange(DWORD character_set,
HKL input_language_id) OVERRIDE;
virtual bool HandlePaintAccelerated(const gfx::Rect& invalid_rect) OVERRIDE;
virtual void HandlePaint(gfx::Canvas* canvas) OVERRIDE;
virtual bool HandleTooltipNotify(int w_param,
NMHDR* l_param,
LRESULT* l_result) OVERRIDE;
virtual void HandleMenuLoop(bool in_menu_loop) OVERRIDE;
virtual bool PreHandleMSG(UINT message,
WPARAM w_param,
LPARAM l_param,
LRESULT* result) OVERRIDE;
virtual void PostHandleMSG(UINT message,
WPARAM w_param,
LPARAM l_param) OVERRIDE;
virtual bool HandleScrollEvent(const ui::ScrollEvent& event) OVERRIDE;
virtual void HandleWindowSizeChanging() OVERRIDE;
Widget* GetWidget();
const Widget* GetWidget() const;
HWND GetHWND() const;
private:
void SetWindowTransparency();
// Returns true if a modal window is active in the current root window chain.
bool IsModalWindowActive() const;
scoped_ptr<HWNDMessageHandler> message_handler_;
scoped_ptr<aura::client::FocusClient> focus_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_;
// Owned by DesktopNativeWidgetAura.
DesktopDragDropClientWin* drag_drop_client_;
// When certain windows are being shown, we augment the window size
// temporarily for animation. The following two members contain the top left
// and bottom right offsets which are used to enlarge the window.
gfx::Vector2d window_expansion_top_left_delta_;
gfx::Vector2d window_expansion_bottom_right_delta_;
// Windows are enlarged to be at least 64x64 pixels, so keep track of the
// extra added here.
gfx::Vector2d window_enlargement_;
// Whether the window close should be converted to a hide, and then actually
// closed on the completion of the hide animation. This is cached because
// the property is set on the contained window which has a shorter lifetime.
bool should_animate_window_close_;
// When Close()d and animations are being applied to this window, the close
// of the window needs to be deferred to when the close animation is
// completed. This variable indicates that a Close was converted to a Hide,
// so that when the Hide is completed the host window should be closed.
bool pending_close_;
// True if the widget is going to have a non_client_view. We cache this value
// rather than asking the Widget for the non_client_view so that we know at
// Init time, before the Widget has created the NonClientView.
bool has_non_client_view_;
// Owned by TooltipController, but we need to forward events to it so we keep
// a reference.
corewm::TooltipWin* tooltip_;
// Visibility of the cursor. On Windows we can have multiple root windows and
// the implementation of ::ShowCursor() is based on a counter, so making this
// member static ensures that ::ShowCursor() is always called exactly once
// whenever the cursor visibility state changes.
static bool is_cursor_visible_;
scoped_ptr<aura::client::ScopedTooltipDisabler> tooltip_disabler_;
// This flag is set to true in cases where we need to force a synchronous
// paint via the compositor. Cases include restoring/resizing/maximizing the
// window. Defaults to false.
bool need_synchronous_paint_;
// Set to true if we are about to enter a sizing loop.
bool in_sizing_loop_;
DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostWin);
};
} // namespace views
#endif // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_