electron/atom/browser/native_window_views.h
MadfishDT 200388ff96 add moveTop API to move window z-oder to top for win32, mac (#12485)
* add moveTop API to move window z-oder to top for win32, mac

* BrowserWindow::MoveTop SetMethod bug fix
2018-04-03 08:04:32 -05:00

320 lines
11 KiB
C++

// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ATOM_BROWSER_NATIVE_WINDOW_VIEWS_H_
#define ATOM_BROWSER_NATIVE_WINDOW_VIEWS_H_
#include "atom/browser/native_window.h"
#include <set>
#include <string>
#include <vector>
#include "atom/browser/ui/accelerator_util.h"
#include "atom/browser/ui/autofill_popup.h"
#include "ui/views/widget/widget_delegate.h"
#include "ui/views/widget/widget_observer.h"
#if defined(OS_WIN)
#include "atom/browser/ui/win/message_handler_delegate.h"
#include "atom/browser/ui/win/taskbar_host.h"
#include "base/win/scoped_gdi_object.h"
#include "ui/base/win/accessibility_misc_utils.h"
#include <UIAutomationCoreApi.h>
#endif
namespace views {
class UnhandledKeyboardEventHandler;
}
namespace atom {
class GlobalMenuBarX11;
class MenuBar;
class WindowStateWatcher;
#if defined(OS_WIN)
class AtomDesktopWindowTreeHostWin;
#elif defined(USE_X11)
class EventDisabler;
#endif
class NativeWindowViews : public NativeWindow,
#if defined(OS_WIN)
public MessageHandlerDelegate,
#endif
public views::WidgetDelegateView,
public views::WidgetObserver {
public:
NativeWindowViews(brightray::InspectableWebContents* inspectable_web_contents,
const mate::Dictionary& options,
NativeWindow* parent);
~NativeWindowViews() override;
// NativeWindow:
void Close() override;
void CloseImmediately() override;
void Focus(bool focus) override;
bool IsFocused() override;
void Show() override;
void ShowInactive() override;
void Hide() override;
bool IsVisible() override;
bool IsEnabled() override;
void Maximize() override;
void Unmaximize() override;
bool IsMaximized() override;
void Minimize() override;
void Restore() override;
bool IsMinimized() override;
void SetFullScreen(bool fullscreen) override;
bool IsFullscreen() const override;
void SetBounds(const gfx::Rect& bounds, bool animate) override;
gfx::Rect GetBounds() override;
gfx::Rect GetContentBounds() override;
gfx::Size GetContentSize() override;
void SetContentSizeConstraints(
const extensions::SizeConstraints& size_constraints) override;
void SetResizable(bool resizable) override;
#if defined(OS_WIN)
void MoveTop() override;
#endif
bool IsResizable() override;
void SetMovable(bool movable) override;
bool IsMovable() override;
void SetMinimizable(bool minimizable) override;
bool IsMinimizable() override;
void SetMaximizable(bool maximizable) override;
bool IsMaximizable() override;
void SetFullScreenable(bool fullscreenable) override;
bool IsFullScreenable() override;
void SetClosable(bool closable) override;
bool IsClosable() override;
void SetAlwaysOnTop(bool top, const std::string& level,
int relativeLevel, std::string* error) override;
bool IsAlwaysOnTop() override;
void Center() override;
void Invalidate() override;
void SetTitle(const std::string& title) override;
std::string GetTitle() override;
void FlashFrame(bool flash) override;
void SetSkipTaskbar(bool skip) override;
void SetSimpleFullScreen(bool simple_fullscreen) override;
bool IsSimpleFullScreen() override;
void SetKiosk(bool kiosk) override;
bool IsKiosk() override;
void SetBackgroundColor(SkColor color) override;
void SetHasShadow(bool has_shadow) override;
bool HasShadow() override;
void SetOpacity(const double opacity) override;
double GetOpacity() override;
void SetIgnoreMouseEvents(bool ignore, bool forward) override;
void SetContentProtection(bool enable) override;
void SetFocusable(bool focusable) override;
void SetMenu(AtomMenuModel* menu_model) override;
void SetBrowserView(NativeBrowserView* browser_view) override;
void SetParentWindow(NativeWindow* parent) override;
gfx::NativeView GetNativeView() const override;
gfx::NativeWindow GetNativeWindow() const override;
void SetOverlayIcon(const gfx::Image& overlay,
const std::string& description) override;
void SetProgressBar(double progress, const ProgressState state) override;
void SetAutoHideMenuBar(bool auto_hide) override;
bool IsMenuBarAutoHide() override;
void SetMenuBarVisibility(bool visible) override;
bool IsMenuBarVisible() override;
void SetVisibleOnAllWorkspaces(bool visible) override;
bool IsVisibleOnAllWorkspaces() override;
gfx::AcceleratedWidget GetAcceleratedWidget() const override;
gfx::Rect ContentBoundsToWindowBounds(const gfx::Rect& bounds) const override;
gfx::Rect WindowBoundsToContentBounds(const gfx::Rect& bounds) const override;
void UpdateDraggableRegions(std::unique_ptr<SkRegion> region);
#if defined(OS_WIN)
void SetIcon(HICON small_icon, HICON app_icon);
#elif defined(USE_X11)
void SetIcon(const gfx::ImageSkia& icon);
#endif
void SetEnabled(bool enable) override;
views::Widget* widget() const { return window_.get(); }
SkRegion* draggable_region() const { return draggable_region_.get(); }
#if defined(OS_WIN)
TaskbarHost& taskbar_host() { return taskbar_host_; }
#endif
private:
// views::WidgetObserver:
void OnWidgetActivationChanged(
views::Widget* widget, bool active) override;
void OnWidgetBoundsChanged(
views::Widget* widget, const gfx::Rect& bounds) override;
// views::WidgetDelegate:
void DeleteDelegate() override;
views::View* GetInitiallyFocusedView() override;
bool CanResize() const override;
bool CanMaximize() const override;
bool CanMinimize() const override;
base::string16 GetWindowTitle() const override;
bool ShouldHandleSystemCommands() const override;
views::Widget* GetWidget() override;
const views::Widget* GetWidget() const override;
views::View* GetContentsView() override;
bool ShouldDescendIntoChildForEventHandling(
gfx::NativeView child,
const gfx::Point& location) override;
views::ClientView* CreateClientView(views::Widget* widget) override;
views::NonClientFrameView* CreateNonClientFrameView(
views::Widget* widget) override;
void OnWidgetMove() override;
#if defined(OS_WIN)
bool ExecuteWindowsCommand(int command_id) override;
#endif
#if defined(OS_WIN)
// MessageHandlerDelegate:
bool PreHandleMSG(
UINT message, WPARAM w_param, LPARAM l_param, LRESULT* result) override;
void HandleSizeEvent(WPARAM w_param, LPARAM l_param);
void SetForwardMouseMessages(bool forward);
static LRESULT CALLBACK SubclassProc(
HWND hwnd, UINT msg, WPARAM w_param, LPARAM l_param, UINT_PTR subclass_id,
DWORD_PTR ref_data);
static LRESULT CALLBACK MouseHookProc(
int n_code, WPARAM w_param, LPARAM l_param);
#endif
// NativeWindow:
void HandleKeyboardEvent(
content::WebContents*,
const content::NativeWebKeyboardEvent& event) override;
void ShowAutofillPopup(
content::RenderFrameHost* frame_host,
content::WebContents* web_contents,
const gfx::RectF& bounds,
const std::vector<base::string16>& values,
const std::vector<base::string16>& labels) override;
void HideAutofillPopup(content::RenderFrameHost* frame_host) override;
// views::View:
void Layout() override;
gfx::Size GetMinimumSize() const override;
gfx::Size GetMaximumSize() const override;
bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
// Register accelerators supported by the menu model.
void RegisterAccelerators(AtomMenuModel* menu_model);
// Returns the restore state for the window.
ui::WindowShowState GetRestoredState();
std::unique_ptr<views::Widget> window_;
views::View* web_view_; // Managed by inspectable_web_contents_.
views::View* focused_view_; // The view should be focused by default.
std::unique_ptr<AutofillPopup> autofill_popup_;
std::unique_ptr<MenuBar> menu_bar_;
bool menu_bar_autohide_;
bool menu_bar_visible_;
bool menu_bar_alt_pressed_;
#if defined(USE_X11)
std::unique_ptr<GlobalMenuBarX11> global_menu_bar_;
// Handles window state events.
std::unique_ptr<WindowStateWatcher> window_state_watcher_;
// To disable the mouse events.
std::unique_ptr<EventDisabler> event_disabler_;
#endif
#if defined(OS_WIN) || defined(USE_X11)
// The "resizable" flag on Linux is implemented by setting size constraints,
// we need to make sure size constraints are restored when window becomes
// resizable again. This is also used on Windows, to keep taskbar resize
// events from resizing the window.
extensions::SizeConstraints old_size_constraints_;
#endif
#if defined(OS_WIN)
// Weak ref.
AtomDesktopWindowTreeHostWin* atom_desktop_window_tree_host_win_;
ui::WindowShowState last_window_state_;
// There's an issue with restore on Windows, that sometimes causes the Window
// to receive the wrong size (#2498). To circumvent that, we keep tabs on the
// size of the window while in the normal state (not maximized, minimized or
// fullscreen), so we restore it correctly.
gfx::Rect last_normal_bounds_;
gfx::Rect last_normal_bounds_before_move_;
// last_normal_bounds_ may or may not require update on WM_MOVE. When a
// window is maximized, it is moved (WM_MOVE) to maximum size first and then
// sized (WM_SIZE). In this case, last_normal_bounds_ should not update. We
// keep last_normal_bounds_candidate_ as a candidate which will become valid
// last_normal_bounds_ if the moves are consecutive with no WM_SIZE event in
// between.
gfx::Rect last_normal_bounds_candidate_;
bool consecutive_moves_;
// In charge of running taskbar related APIs.
TaskbarHost taskbar_host_;
// Memoized version of a11y check
bool checked_for_a11y_support_;
// Whether to show the WS_THICKFRAME style.
bool thick_frame_;
// The bounds of window before maximize/fullscreen.
gfx::Rect restore_bounds_;
// The icons of window and taskbar.
base::win::ScopedHICON window_icon_;
base::win::ScopedHICON app_icon_;
// The set of windows currently forwarding mouse messages.
static std::set<NativeWindowViews*> forwarding_windows_;
static HHOOK mouse_hook_;
bool forwarding_mouse_messages_ = false;
HWND legacy_window_ = NULL;
bool layered_ = false;
#endif
// Handles unhandled keyboard messages coming back from the renderer process.
std::unique_ptr<views::UnhandledKeyboardEventHandler> keyboard_event_handler_;
// Map from accelerator to menu item's command id.
accelerator_util::AcceleratorTable accelerator_table_;
// For custom drag, the whole window is non-draggable and the draggable region
// has to been explicitly provided.
std::unique_ptr<SkRegion> draggable_region_; // used in custom drag.
// How many times the Disable has been called.
int disable_count_;
bool use_content_size_;
bool movable_;
bool resizable_;
bool maximizable_;
bool minimizable_;
bool fullscreenable_;
std::string title_;
gfx::Size widget_size_;
double opacity_ = 1.0;
DISALLOW_COPY_AND_ASSIGN(NativeWindowViews);
};
} // namespace atom
#endif // ATOM_BROWSER_NATIVE_WINDOW_VIEWS_H_