blob: dc9f1be8fda2a4ce28613e638668db7516b740a8 [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.
#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);
~DesktopWindowTreeHostWin() override;
// A way of converting an HWND into a content window.
static aura::Window* GetContentWindowForHWND(HWND hwnd);
protected:
// 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& size) 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(gfx::NativeRegion 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:
ui::EventSource* GetEventSource() override;
gfx::AcceleratedWidget GetAcceleratedWidget() override;
void ShowImpl() override;
void HideImpl() override;
gfx::Rect GetBounds() const override;
void SetBounds(const gfx::Rect& bounds) override;
gfx::Point GetLocationOnNativeScreen() const override;
void SetCapture() override;
void ReleaseCapture() override;
void SetCursorNative(gfx::NativeCursor cursor) override;
void OnCursorVisibilityChangedNative(bool show) override;
void MoveCursorToNative(const gfx::Point& location) override;
// Overridden frm ui::EventSource
ui::EventProcessor* GetEventProcessor() override;
// Overridden from aura::client::AnimationHost
void SetHostTransitionOffsets(
const gfx::Vector2d& top_left_delta,
const gfx::Vector2d& bottom_right_delta) override;
void OnWindowHidingAnimationCompleted() override;
// Overridden from HWNDMessageHandlerDelegate:
bool IsWidgetWindow() const override;
bool IsUsingCustomFrame() const override;
void SchedulePaint() override;
void EnableInactiveRendering() override;
bool IsInactiveRenderingDisabled() override;
bool CanResize() const override;
bool CanMaximize() const override;
bool CanMinimize() const override;
bool CanActivate() const override;
bool WidgetSizeIsClientSize() const override;
bool IsModal() const override;
int GetInitialShowState() const override;
bool WillProcessWorkAreaChange() const override;
int GetNonClientComponent(const gfx::Point& point) const override;
void GetWindowMask(const gfx::Size& size, gfx::Path* path) override;
bool GetClientAreaInsets(gfx::Insets* insets) const override;
void GetMinMaxSize(gfx::Size* min_size, gfx::Size* max_size) const override;
gfx::Size GetRootViewSize() const override;
void ResetWindowControls() override;
void PaintLayeredWindow(gfx::Canvas* canvas) override;
gfx::NativeViewAccessible GetNativeViewAccessible() override;
bool ShouldHandleSystemCommands() const override;
InputMethod* GetInputMethod() override;
void HandleAppDeactivated() override;
void HandleActivationChanged(bool active) override;
bool HandleAppCommand(short command) override;
void HandleCancelMode() override;
void HandleCaptureLost() override;
void HandleClose() override;
bool HandleCommand(int command) override;
void HandleAccelerator(const ui::Accelerator& accelerator) override;
void HandleCreate() override;
void HandleDestroying() override;
void HandleDestroyed() override;
bool HandleInitialFocus(ui::WindowShowState show_state) override;
void HandleDisplayChange() override;
void HandleBeginWMSizeMove() override;
void HandleEndWMSizeMove() override;
void HandleMove() override;
void HandleWorkAreaChanged() override;
void HandleVisibilityChanging(bool visible) override;
void HandleVisibilityChanged(bool visible) override;
void HandleClientSizeChanged(const gfx::Size& new_size) override;
void HandleFrameChanged() override;
void HandleNativeFocus(HWND last_focused_window) override;
void HandleNativeBlur(HWND focused_window) override;
bool HandleMouseEvent(const ui::MouseEvent& event) override;
bool HandleKeyEvent(const ui::KeyEvent& event) override;
bool HandleUntranslatedKeyEvent(const ui::KeyEvent& event) override;
void HandleTouchEvent(const ui::TouchEvent& event) override;
bool HandleIMEMessage(UINT message,
WPARAM w_param,
LPARAM l_param,
LRESULT* result) override;
void HandleInputLanguageChange(DWORD character_set,
HKL input_language_id) override;
void HandlePaintAccelerated(const gfx::Rect& invalid_rect) override;
bool HandleTooltipNotify(int w_param,
NMHDR* l_param,
LRESULT* l_result) override;
void HandleMenuLoop(bool in_menu_loop) override;
bool PreHandleMSG(UINT message,
WPARAM w_param,
LPARAM l_param,
LRESULT* result) override;
void PostHandleMSG(UINT message, WPARAM w_param, LPARAM l_param) override;
bool HandleScrollEvent(const ui::ScrollEvent& event) override;
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_;
DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostWin);
};
} // namespace views
#endif // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_