electron/shell/browser/native_window_views.cc

1725 lines
52 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.
#include "shell/browser/native_window_views.h"
#if BUILDFLAG(IS_WIN)
#include <wrl/client.h>
#endif
#include <memory>
#include <utility>
#include <vector>
#include "base/cxx17_backports.h"
#include "base/stl_util.h"
#include "base/strings/utf_string_conversions.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/desktop_media_id.h"
#include "shell/browser/api/electron_api_web_contents.h"
#include "shell/browser/native_browser_view_views.h"
#include "shell/browser/ui/drag_util.h"
#include "shell/browser/ui/inspectable_web_contents.h"
#include "shell/browser/ui/inspectable_web_contents_view.h"
#include "shell/browser/ui/views/root_view.h"
#include "shell/browser/web_contents_preferences.h"
#include "shell/browser/web_view_manager.h"
#include "shell/browser/window_list.h"
#include "shell/common/electron_constants.h"
#include "shell/common/gin_converters/image_converter.h"
#include "shell/common/gin_helper/dictionary.h"
#include "shell/common/options_switches.h"
#include "ui/aura/window_tree_host.h"
#include "ui/base/hit_test.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/views/background.h"
#include "ui/views/controls/webview/unhandled_keyboard_event_handler.h"
#include "ui/views/controls/webview/webview.h"
#include "ui/views/widget/native_widget_private.h"
#include "ui/views/widget/widget.h"
#include "ui/views/window/client_view.h"
#include "ui/wm/core/shadow_types.h"
#include "ui/wm/core/window_util.h"
#if BUILDFLAG(IS_LINUX)
#include "base/strings/string_util.h"
#include "shell/browser/browser.h"
#include "shell/browser/linux/unity_service.h"
#include "shell/browser/ui/electron_desktop_window_tree_host_linux.h"
#include "shell/browser/ui/views/client_frame_view_linux.h"
#include "shell/browser/ui/views/frameless_view.h"
#include "shell/browser/ui/views/native_frame_view.h"
#include "shell/common/platform_util.h"
#include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
#include "ui/views/window/native_frame_view.h"
#if defined(USE_OZONE)
#include "shell/browser/ui/views/global_menu_bar_x11.h"
#include "shell/browser/ui/x/event_disabler.h"
#include "shell/browser/ui/x/x_window_utils.h"
#include "ui/base/x/x11_util.h"
#include "ui/gfx/x/shape.h"
#include "ui/gfx/x/x11_atom_cache.h"
#include "ui/gfx/x/xproto.h"
#include "ui/gfx/x/xproto_util.h"
#include "ui/ozone/public/ozone_platform.h"
#endif
#elif BUILDFLAG(IS_WIN)
#include "base/win/win_util.h"
#include "content/public/common/color_parser.h"
#include "shell/browser/ui/views/win_frame_view.h"
#include "shell/browser/ui/win/electron_desktop_native_widget_aura.h"
#include "skia/ext/skia_utils_win.h"
#include "ui/base/win/shell.h"
#include "ui/display/screen.h"
#include "ui/display/win/screen_win.h"
#include "ui/gfx/color_utils.h"
#endif
namespace electron {
#if BUILDFLAG(IS_WIN)
// Similar to the ones in display::win::ScreenWin, but with rounded values
// These help to avoid problems that arise from unresizable windows where the
// original ceil()-ed values can cause calculation errors, since converting
// both ways goes through a ceil() call. Related issue: #15816
gfx::Rect ScreenToDIPRect(HWND hwnd, const gfx::Rect& pixel_bounds) {
float scale_factor = display::win::ScreenWin::GetScaleFactorForHWND(hwnd);
gfx::Rect dip_rect = ScaleToRoundedRect(pixel_bounds, 1.0f / scale_factor);
dip_rect.set_origin(
display::win::ScreenWin::ScreenToDIPRect(hwnd, pixel_bounds).origin());
return dip_rect;
}
#endif
namespace {
#if BUILDFLAG(IS_WIN)
const LPCWSTR kUniqueTaskBarClassName = L"Shell_TrayWnd";
void FlipWindowStyle(HWND handle, bool on, DWORD flag) {
DWORD style = ::GetWindowLong(handle, GWL_STYLE);
if (on)
style |= flag;
else
style &= ~flag;
::SetWindowLong(handle, GWL_STYLE, style);
// Window's frame styles are cached so we need to call SetWindowPos
// with the SWP_FRAMECHANGED flag to update cache properly.
::SetWindowPos(handle, 0, 0, 0, 0, 0, // ignored
SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
SWP_NOACTIVATE | SWP_NOOWNERZORDER);
}
gfx::Rect DIPToScreenRect(HWND hwnd, const gfx::Rect& pixel_bounds) {
float scale_factor = display::win::ScreenWin::GetScaleFactorForHWND(hwnd);
gfx::Rect screen_rect = ScaleToRoundedRect(pixel_bounds, scale_factor);
screen_rect.set_origin(
display::win::ScreenWin::DIPToScreenRect(hwnd, pixel_bounds).origin());
return screen_rect;
}
#endif
#if defined(USE_OZONE)
bool CreateGlobalMenuBar() {
return ui::OzonePlatform::GetInstance()
->GetPlatformProperties()
.supports_global_application_menus;
}
#endif
#if defined(USE_OZONE_PLATFORM_X11)
bool IsX11() {
return ui::OzonePlatform::GetInstance()
->GetPlatformProperties()
.electron_can_call_x11;
}
#endif
class NativeWindowClientView : public views::ClientView {
public:
NativeWindowClientView(views::Widget* widget,
views::View* root_view,
NativeWindowViews* window)
: views::ClientView(widget, root_view), window_(window) {}
~NativeWindowClientView() override = default;
// disable copy
NativeWindowClientView(const NativeWindowClientView&) = delete;
NativeWindowClientView& operator=(const NativeWindowClientView&) = delete;
views::CloseRequestResult OnWindowCloseRequested() override {
window_->NotifyWindowCloseButtonClicked();
return views::CloseRequestResult::kCannotClose;
}
private:
NativeWindowViews* window_;
};
} // namespace
NativeWindowViews::NativeWindowViews(const gin_helper::Dictionary& options,
NativeWindow* parent)
: NativeWindow(options, parent),
root_view_(std::make_unique<RootView>(this)),
keyboard_event_handler_(
std::make_unique<views::UnhandledKeyboardEventHandler>()) {
options.Get(options::kTitle, &title_);
bool menu_bar_autohide;
if (options.Get(options::kAutoHideMenuBar, &menu_bar_autohide))
root_view_->SetAutoHideMenuBar(menu_bar_autohide);
#if BUILDFLAG(IS_WIN)
// On Windows we rely on the CanResize() to indicate whether window can be
// resized, and it should be set before window is created.
options.Get(options::kResizable, &resizable_);
options.Get(options::kMinimizable, &minimizable_);
options.Get(options::kMaximizable, &maximizable_);
// Transparent window must not have thick frame.
options.Get("thickFrame", &thick_frame_);
if (transparent())
thick_frame_ = false;
overlay_button_color_ = color_utils::GetSysSkColor(COLOR_BTNFACE);
overlay_symbol_color_ = color_utils::GetSysSkColor(COLOR_BTNTEXT);
v8::Local<v8::Value> titlebar_overlay;
if (options.Get(options::ktitleBarOverlay, &titlebar_overlay) &&
titlebar_overlay->IsObject()) {
gin_helper::Dictionary titlebar_overlay_obj =
gin::Dictionary::CreateEmpty(options.isolate());
options.Get(options::ktitleBarOverlay, &titlebar_overlay_obj);
std::string overlay_color_string;
if (titlebar_overlay_obj.Get(options::kOverlayButtonColor,
&overlay_color_string)) {
bool success = content::ParseCssColorString(overlay_color_string,
&overlay_button_color_);
DCHECK(success);
}
std::string overlay_symbol_color_string;
if (titlebar_overlay_obj.Get(options::kOverlaySymbolColor,
&overlay_symbol_color_string)) {
bool success = content::ParseCssColorString(overlay_symbol_color_string,
&overlay_symbol_color_);
DCHECK(success);
}
}
if (title_bar_style_ != TitleBarStyle::kNormal)
set_has_frame(false);
#endif
if (enable_larger_than_screen())
// We need to set a default maximum window size here otherwise Windows
// will not allow us to resize the window larger than scree.
// Setting directly to INT_MAX somehow doesn't work, so we just divide
// by 10, which should still be large enough.
SetContentSizeConstraints(extensions::SizeConstraints(
gfx::Size(), gfx::Size(INT_MAX / 10, INT_MAX / 10)));
int width = 800, height = 600;
options.Get(options::kWidth, &width);
options.Get(options::kHeight, &height);
gfx::Rect bounds(0, 0, width, height);
widget_size_ = bounds.size();
widget()->AddObserver(this);
views::Widget::InitParams params;
params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
params.bounds = bounds;
params.delegate = this;
params.type = views::Widget::InitParams::TYPE_WINDOW;
params.remove_standard_frame = !has_frame() || has_client_frame();
// If a client frame, we need to draw our own shadows.
if (transparent() || has_client_frame())
params.opacity = views::Widget::InitParams::WindowOpacity::kTranslucent;
// The given window is most likely not rectangular since it uses
// transparency and has no standard frame, don't show a shadow for it.
if (transparent() && !has_frame())
params.shadow_type = views::Widget::InitParams::ShadowType::kNone;
bool focusable;
if (options.Get(options::kFocusable, &focusable) && !focusable)
params.activatable = views::Widget::InitParams::Activatable::kNo;
#if BUILDFLAG(IS_WIN)
if (parent)
params.parent = parent->GetNativeWindow();
params.native_widget = new ElectronDesktopNativeWidgetAura(this);
#elif BUILDFLAG(IS_LINUX)
std::string name = Browser::Get()->GetName();
// Set WM_WINDOW_ROLE.
params.wm_role_name = "browser-window";
// Set WM_CLASS.
params.wm_class_name = base::ToLowerASCII(name);
params.wm_class_class = name;
// Set Wayland application ID.
params.wayland_app_id = platform_util::GetXdgAppId();
auto* native_widget = new views::DesktopNativeWidgetAura(widget());
params.native_widget = native_widget;
params.desktop_window_tree_host =
new ElectronDesktopWindowTreeHostLinux(this, native_widget);
#endif
widget()->Init(std::move(params));
SetCanResize(resizable_);
bool fullscreen = false;
options.Get(options::kFullscreen, &fullscreen);
std::string window_type;
options.Get(options::kType, &window_type);
#if BUILDFLAG(IS_LINUX)
// Set _GTK_THEME_VARIANT to dark if we have "dark-theme" option set.
bool use_dark_theme = false;
if (options.Get(options::kDarkTheme, &use_dark_theme) && use_dark_theme) {
SetGTKDarkThemeEnabled(use_dark_theme);
}
if (parent)
SetParentWindow(parent);
#endif
#if defined(USE_OZONE_PLATFORM_X11)
if (IsX11()) {
// Before the window is mapped the SetWMSpecState can not work, so we have
// to manually set the _NET_WM_STATE.
std::vector<x11::Atom> state_atom_list;
// Before the window is mapped, there is no SHOW_FULLSCREEN_STATE.
if (fullscreen) {
state_atom_list.push_back(x11::GetAtom("_NET_WM_STATE_FULLSCREEN"));
}
if (parent) {
// Force using dialog type for child window.
window_type = "dialog";
// Modal window needs the _NET_WM_STATE_MODAL hint.
if (is_modal())
state_atom_list.push_back(x11::GetAtom("_NET_WM_STATE_MODAL"));
}
if (!state_atom_list.empty())
SetArrayProperty(static_cast<x11::Window>(GetAcceleratedWidget()),
x11::GetAtom("_NET_WM_STATE"), x11::Atom::ATOM,
state_atom_list);
// Set the _NET_WM_WINDOW_TYPE.
if (!window_type.empty())
SetWindowType(static_cast<x11::Window>(GetAcceleratedWidget()),
window_type);
}
#endif
#if BUILDFLAG(IS_WIN)
if (!has_frame()) {
// Set Window style so that we get a minimize and maximize animation when
// frameless.
DWORD frame_style = WS_CAPTION | WS_OVERLAPPED;
if (resizable_)
frame_style |= WS_THICKFRAME;
if (minimizable_)
frame_style |= WS_MINIMIZEBOX;
if (maximizable_)
frame_style |= WS_MAXIMIZEBOX;
// We should not show a frame for transparent window.
if (!thick_frame_)
frame_style &= ~(WS_THICKFRAME | WS_CAPTION);
::SetWindowLong(GetAcceleratedWidget(), GWL_STYLE, frame_style);
}
LONG ex_style = ::GetWindowLong(GetAcceleratedWidget(), GWL_EXSTYLE);
if (window_type == "toolbar")
ex_style |= WS_EX_TOOLWINDOW;
::SetWindowLong(GetAcceleratedWidget(), GWL_EXSTYLE, ex_style);
#endif
if (has_frame() && !has_client_frame()) {
// TODO(zcbenz): This was used to force using native frame on Windows 2003,
// we should check whether setting it in InitParams can work.
widget()->set_frame_type(views::Widget::FrameType::kForceNative);
widget()->FrameTypeChanged();
#if BUILDFLAG(IS_WIN)
// thickFrame also works for normal window.
if (!thick_frame_)
FlipWindowStyle(GetAcceleratedWidget(), false, WS_THICKFRAME);
#endif
}
// Default content view.
SetContentView(new views::View());
gfx::Size size = bounds.size();
if (has_frame() &&
options.Get(options::kUseContentSize, &use_content_size_) &&
use_content_size_)
size = ContentBoundsToWindowBounds(gfx::Rect(size)).size();
widget()->CenterWindow(size);
#if BUILDFLAG(IS_WIN)
// Save initial window state.
if (fullscreen)
last_window_state_ = ui::SHOW_STATE_FULLSCREEN;
else
last_window_state_ = ui::SHOW_STATE_NORMAL;
#endif
// Listen to mouse events.
aura::Window* window = GetNativeWindow();
if (window)
window->AddPreTargetHandler(this);
#if BUILDFLAG(IS_LINUX)
// On linux after the widget is initialized we might have to force set the
// bounds if the bounds are smaller than the current display
SetBounds(gfx::Rect(GetPosition(), bounds.size()), false);
#endif
SetOwnedByWidget(false);
RegisterDeleteDelegateCallback(base::BindOnce(
[](NativeWindowViews* window) {
if (window->is_modal() && window->parent()) {
auto* parent = window->parent();
// Enable parent window after current window gets closed.
static_cast<NativeWindowViews*>(parent)->DecrementChildModals();
// Focus on parent window.
parent->Focus(true);
}
window->NotifyWindowClosed();
},
this));
}
NativeWindowViews::~NativeWindowViews() {
widget()->RemoveObserver(this);
#if BUILDFLAG(IS_WIN)
// Disable mouse forwarding to relinquish resources, should any be held.
SetForwardMouseMessages(false);
#endif
aura::Window* window = GetNativeWindow();
if (window)
window->RemovePreTargetHandler(this);
}
void NativeWindowViews::SetGTKDarkThemeEnabled(bool use_dark_theme) {
#if defined(USE_OZONE_PLATFORM_X11)
if (IsX11()) {
const std::string color = use_dark_theme ? "dark" : "light";
x11::SetStringProperty(static_cast<x11::Window>(GetAcceleratedWidget()),
x11::GetAtom("_GTK_THEME_VARIANT"),
x11::GetAtom("UTF8_STRING"), color);
}
#endif
}
void NativeWindowViews::SetContentView(views::View* view) {
if (content_view()) {
root_view_->RemoveChildView(content_view());
}
set_content_view(view);
focused_view_ = view;
root_view_->AddChildView(content_view());
root_view_->Layout();
}
void NativeWindowViews::Close() {
if (!IsClosable()) {
WindowList::WindowCloseCancelled(this);
return;
}
widget()->Close();
}
void NativeWindowViews::CloseImmediately() {
widget()->CloseNow();
}
void NativeWindowViews::Focus(bool focus) {
// For hidden window focus() should do nothing.
if (!IsVisible())
return;
if (focus) {
widget()->Activate();
} else {
widget()->Deactivate();
}
}
bool NativeWindowViews::IsFocused() {
return widget()->IsActive();
}
void NativeWindowViews::Show() {
if (is_modal() && NativeWindow::parent() &&
!widget()->native_widget_private()->IsVisible())
static_cast<NativeWindowViews*>(parent())->IncrementChildModals();
widget()->native_widget_private()->Show(GetRestoredState(), gfx::Rect());
// explicitly focus the window
widget()->Activate();
NotifyWindowShow();
#if defined(USE_OZONE)
if (global_menu_bar_)
global_menu_bar_->OnWindowMapped();
#endif
#if defined(USE_OZONE_PLATFORM_X11)
// On X11, setting Z order before showing the window doesn't take effect,
// so we have to call it again.
if (IsX11())
widget()->SetZOrderLevel(widget()->GetZOrderLevel());
#endif
}
void NativeWindowViews::ShowInactive() {
widget()->ShowInactive();
NotifyWindowShow();
#if defined(USE_OZONE)
if (global_menu_bar_)
global_menu_bar_->OnWindowMapped();
#endif
}
void NativeWindowViews::Hide() {
if (is_modal() && NativeWindow::parent())
static_cast<NativeWindowViews*>(parent())->DecrementChildModals();
widget()->Hide();
NotifyWindowHide();
#if defined(USE_OZONE)
if (global_menu_bar_)
global_menu_bar_->OnWindowUnmapped();
#endif
#if BUILDFLAG(IS_WIN)
// When the window is removed from the taskbar via win.hide(),
// the thumbnail buttons need to be set up again.
// Ensure that when the window is hidden,
// the taskbar host is notified that it should re-add them.
taskbar_host_.SetThumbarButtonsAdded(false);
#endif
}
bool NativeWindowViews::IsVisible() {
return widget()->IsVisible();
}
bool NativeWindowViews::IsEnabled() {
#if BUILDFLAG(IS_WIN)
return ::IsWindowEnabled(GetAcceleratedWidget());
#elif BUILDFLAG(IS_LINUX)
#if defined(USE_OZONE_PLATFORM_X11)
if (IsX11())
return !event_disabler_.get();
#endif
NOTIMPLEMENTED();
return true;
#endif
}
void NativeWindowViews::IncrementChildModals() {
num_modal_children_++;
SetEnabledInternal(ShouldBeEnabled());
}
void NativeWindowViews::DecrementChildModals() {
if (num_modal_children_ > 0) {
num_modal_children_--;
}
SetEnabledInternal(ShouldBeEnabled());
}
void NativeWindowViews::SetEnabled(bool enable) {
if (enable != is_enabled_) {
is_enabled_ = enable;
SetEnabledInternal(ShouldBeEnabled());
}
}
bool NativeWindowViews::ShouldBeEnabled() {
return is_enabled_ && (num_modal_children_ == 0);
}
void NativeWindowViews::SetEnabledInternal(bool enable) {
if (enable && IsEnabled()) {
return;
} else if (!enable && !IsEnabled()) {
return;
}
#if BUILDFLAG(IS_WIN)
::EnableWindow(GetAcceleratedWidget(), enable);
#elif defined(USE_OZONE_PLATFORM_X11)
if (IsX11()) {
views::DesktopWindowTreeHostPlatform* tree_host =
views::DesktopWindowTreeHostLinux::GetHostForWidget(
GetAcceleratedWidget());
if (enable) {
tree_host->RemoveEventRewriter(event_disabler_.get());
event_disabler_.reset();
} else {
event_disabler_ = std::make_unique<EventDisabler>();
tree_host->AddEventRewriter(event_disabler_.get());
}
}
#endif
}
#if BUILDFLAG(IS_LINUX)
void NativeWindowViews::Maximize() {
if (IsVisible()) {
widget()->Maximize();
} else {
widget()->native_widget_private()->Show(ui::SHOW_STATE_MAXIMIZED,
gfx::Rect());
NotifyWindowShow();
}
}
#endif
void NativeWindowViews::Unmaximize() {
if (IsMaximized()) {
#if BUILDFLAG(IS_WIN)
if (transparent()) {
SetBounds(restore_bounds_, false);
NotifyWindowUnmaximize();
return;
}
#endif
widget()->Restore();
}
}
bool NativeWindowViews::IsMaximized() {
if (widget()->IsMaximized()) {
return true;
} else {
#if BUILDFLAG(IS_WIN)
if (transparent()) {
// Compare the size of the window with the size of the display
auto display = display::Screen::GetScreen()->GetDisplayNearestWindow(
GetNativeWindow());
// Maximized if the window is the same dimensions and placement as the
// display
return GetBounds() == display.work_area();
}
#endif
return false;
}
}
void NativeWindowViews::Minimize() {
if (IsVisible())
widget()->Minimize();
else
widget()->native_widget_private()->Show(ui::SHOW_STATE_MINIMIZED,
gfx::Rect());
}
void NativeWindowViews::Restore() {
widget()->Restore();
}
bool NativeWindowViews::IsMinimized() {
return widget()->IsMinimized();
}
void NativeWindowViews::SetFullScreen(bool fullscreen) {
if (!IsFullScreenable())
return;
#if BUILDFLAG(IS_WIN)
// There is no native fullscreen state on Windows.
bool leaving_fullscreen = IsFullscreen() && !fullscreen;
if (fullscreen) {
last_window_state_ = ui::SHOW_STATE_FULLSCREEN;
NotifyWindowEnterFullScreen();
} else {
last_window_state_ = ui::SHOW_STATE_NORMAL;
NotifyWindowLeaveFullScreen();
}
// For window without WS_THICKFRAME style, we can not call SetFullscreen().
// This path will be used for transparent windows as well.
if (!thick_frame_) {
if (fullscreen) {
restore_bounds_ = GetBounds();
auto display =
display::Screen::GetScreen()->GetDisplayNearestPoint(GetPosition());
SetBounds(display.bounds(), false);
} else {
SetBounds(restore_bounds_, false);
}
return;
}
// We set the new value after notifying, so we can handle the size event
// correctly.
widget()->SetFullscreen(fullscreen);
// If restoring from fullscreen and the window isn't visible, force visible,
// else a non-responsive window shell could be rendered.
// (this situation may arise when app starts with fullscreen: true)
// Note: the following must be after "widget()->SetFullscreen(fullscreen);"
if (leaving_fullscreen && !IsVisible())
FlipWindowStyle(GetAcceleratedWidget(), true, WS_VISIBLE);
#else
if (IsVisible())
widget()->SetFullscreen(fullscreen);
else if (fullscreen)
widget()->native_widget_private()->Show(ui::SHOW_STATE_FULLSCREEN,
gfx::Rect());
// Auto-hide menubar when in fullscreen.
if (fullscreen)
SetMenuBarVisibility(false);
else
SetMenuBarVisibility(!IsMenuBarAutoHide());
#endif
}
bool NativeWindowViews::IsFullscreen() const {
return widget()->IsFullscreen();
}
void NativeWindowViews::SetBounds(const gfx::Rect& bounds, bool animate) {
#if BUILDFLAG(IS_WIN)
if (is_moving_ || is_resizing_) {
pending_bounds_change_ = bounds;
}
#endif
#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX)
// On Linux and Windows the minimum and maximum size should be updated with
// window size when window is not resizable.
if (!resizable_) {
SetMaximumSize(bounds.size());
SetMinimumSize(bounds.size());
}
#endif
widget()->SetBounds(bounds);
}
gfx::Rect NativeWindowViews::GetBounds() {
#if BUILDFLAG(IS_WIN)
if (IsMinimized())
return widget()->GetRestoredBounds();
#endif
return widget()->GetWindowBoundsInScreen();
}
gfx::Rect NativeWindowViews::GetContentBounds() {
return content_view() ? content_view()->GetBoundsInScreen() : gfx::Rect();
}
gfx::Size NativeWindowViews::GetContentSize() {
#if BUILDFLAG(IS_WIN)
if (IsMinimized())
return NativeWindow::GetContentSize();
#endif
return content_view() ? content_view()->size() : gfx::Size();
}
gfx::Rect NativeWindowViews::GetNormalBounds() {
return widget()->GetRestoredBounds();
}
void NativeWindowViews::SetContentSizeConstraints(
const extensions::SizeConstraints& size_constraints) {
NativeWindow::SetContentSizeConstraints(size_constraints);
#if BUILDFLAG(IS_WIN)
// Changing size constraints would force adding the WS_THICKFRAME style, so
// do nothing if thickFrame is false.
if (!thick_frame_)
return;
#endif
// widget_delegate() is only available after Init() is called, we make use of
// this to determine whether native widget has initialized.
if (widget() && widget()->widget_delegate())
widget()->OnSizeConstraintsChanged();
if (resizable_)
old_size_constraints_ = size_constraints;
}
void NativeWindowViews::SetResizable(bool resizable) {
if (resizable != resizable_) {
// On Linux there is no "resizable" property of a window, we have to set
// both the minimum and maximum size to the window size to achieve it.
if (resizable) {
SetContentSizeConstraints(old_size_constraints_);
SetMaximizable(maximizable_);
} else {
old_size_constraints_ = GetContentSizeConstraints();
resizable_ = false;
gfx::Size content_size = GetContentSize();
SetContentSizeConstraints(
extensions::SizeConstraints(content_size, content_size));
}
}
#if BUILDFLAG(IS_WIN)
if (has_frame() && thick_frame_)
FlipWindowStyle(GetAcceleratedWidget(), resizable, WS_THICKFRAME);
#endif
resizable_ = resizable;
SetCanResize(resizable_);
}
bool NativeWindowViews::MoveAbove(const std::string& sourceId) {
const content::DesktopMediaID id = content::DesktopMediaID::Parse(sourceId);
if (id.type != content::DesktopMediaID::TYPE_WINDOW)
return false;
#if BUILDFLAG(IS_WIN)
const HWND otherWindow = reinterpret_cast<HWND>(id.id);
if (!::IsWindow(otherWindow))
return false;
::SetWindowPos(GetAcceleratedWidget(), GetWindow(otherWindow, GW_HWNDPREV), 0,
0, 0, 0,
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW);
#elif defined(USE_OZONE_PLATFORM_X11)
if (IsX11()) {
if (!IsWindowValid(static_cast<x11::Window>(id.id)))
return false;
electron::MoveWindowAbove(static_cast<x11::Window>(GetAcceleratedWidget()),
static_cast<x11::Window>(id.id));
}
#endif
return true;
}
void NativeWindowViews::MoveTop() {
// TODO(julien.isorce): fix chromium in order to use existing
// widget()->StackAtTop().
#if BUILDFLAG(IS_WIN)
gfx::Point pos = GetPosition();
gfx::Size size = GetSize();
::SetWindowPos(GetAcceleratedWidget(), HWND_TOP, pos.x(), pos.y(),
size.width(), size.height(),
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW);
#elif defined(USE_OZONE_PLATFORM_X11)
if (IsX11())
electron::MoveWindowToForeground(
static_cast<x11::Window>(GetAcceleratedWidget()));
#endif
}
bool NativeWindowViews::IsResizable() {
#if BUILDFLAG(IS_WIN)
if (has_frame())
return ::GetWindowLong(GetAcceleratedWidget(), GWL_STYLE) & WS_THICKFRAME;
#endif
return resizable_;
}
void NativeWindowViews::SetAspectRatio(double aspect_ratio,
const gfx::Size& extra_size) {
NativeWindow::SetAspectRatio(aspect_ratio, extra_size);
gfx::SizeF aspect(aspect_ratio, 1.0);
// Scale up because SetAspectRatio() truncates aspect value to int
aspect.Scale(100);
widget()->SetAspectRatio(aspect);
}
void NativeWindowViews::SetMovable(bool movable) {
movable_ = movable;
}
bool NativeWindowViews::IsMovable() {
#if BUILDFLAG(IS_WIN)
return movable_;
#else
return true; // Not implemented on Linux.
#endif
}
void NativeWindowViews::SetMinimizable(bool minimizable) {
#if BUILDFLAG(IS_WIN)
FlipWindowStyle(GetAcceleratedWidget(), minimizable, WS_MINIMIZEBOX);
if (IsWindowControlsOverlayEnabled()) {
auto* frame_view =
static_cast<WinFrameView*>(widget()->non_client_view()->frame_view());
frame_view->caption_button_container()->UpdateButtons();
}
#endif
minimizable_ = minimizable;
}
bool NativeWindowViews::IsMinimizable() {
#if BUILDFLAG(IS_WIN)
return ::GetWindowLong(GetAcceleratedWidget(), GWL_STYLE) & WS_MINIMIZEBOX;
#else
return true; // Not implemented on Linux.
#endif
}
void NativeWindowViews::SetMaximizable(bool maximizable) {
#if BUILDFLAG(IS_WIN)
FlipWindowStyle(GetAcceleratedWidget(), maximizable, WS_MAXIMIZEBOX);
if (IsWindowControlsOverlayEnabled()) {
auto* frame_view =
static_cast<WinFrameView*>(widget()->non_client_view()->frame_view());
frame_view->caption_button_container()->UpdateButtons();
}
#endif
maximizable_ = maximizable;
}
bool NativeWindowViews::IsMaximizable() {
#if BUILDFLAG(IS_WIN)
return ::GetWindowLong(GetAcceleratedWidget(), GWL_STYLE) & WS_MAXIMIZEBOX;
#else
return true; // Not implemented on Linux.
#endif
}
void NativeWindowViews::SetExcludedFromShownWindowsMenu(bool excluded) {}
bool NativeWindowViews::IsExcludedFromShownWindowsMenu() {
// return false on unsupported platforms
return false;
}
void NativeWindowViews::SetFullScreenable(bool fullscreenable) {
fullscreenable_ = fullscreenable;
}
bool NativeWindowViews::IsFullScreenable() {
return fullscreenable_;
}
void NativeWindowViews::SetClosable(bool closable) {
#if BUILDFLAG(IS_WIN)
HMENU menu = GetSystemMenu(GetAcceleratedWidget(), false);
if (closable) {
EnableMenuItem(menu, SC_CLOSE, MF_BYCOMMAND | MF_ENABLED);
} else {
EnableMenuItem(menu, SC_CLOSE, MF_BYCOMMAND | MF_DISABLED | MF_GRAYED);
}
if (IsWindowControlsOverlayEnabled()) {
auto* frame_view =
static_cast<WinFrameView*>(widget()->non_client_view()->frame_view());
frame_view->caption_button_container()->UpdateButtons();
}
#endif
}
bool NativeWindowViews::IsClosable() {
#if BUILDFLAG(IS_WIN)
HMENU menu = GetSystemMenu(GetAcceleratedWidget(), false);
MENUITEMINFO info;
memset(&info, 0, sizeof(info));
info.cbSize = sizeof(info);
info.fMask = MIIM_STATE;
if (!GetMenuItemInfo(menu, SC_CLOSE, false, &info)) {
return false;
}
return !(info.fState & MFS_DISABLED);
#elif BUILDFLAG(IS_LINUX)
return true;
#endif
}
void NativeWindowViews::SetAlwaysOnTop(ui::ZOrderLevel z_order,
const std::string& level,
int relativeLevel) {
bool level_changed = z_order != widget()->GetZOrderLevel();
widget()->SetZOrderLevel(z_order);
#if BUILDFLAG(IS_WIN)
// Reset the placement flag.
behind_task_bar_ = false;
if (z_order != ui::ZOrderLevel::kNormal) {
// On macOS the window is placed behind the Dock for the following levels.
// Re-use the same names on Windows to make it easier for the user.
static const std::vector<std::string> levels = {
"floating", "torn-off-menu", "modal-panel", "main-menu", "status"};
behind_task_bar_ = base::Contains(levels, level);
}
#endif
MoveBehindTaskBarIfNeeded();
// This must be notified at the very end or IsAlwaysOnTop
// will not yet have been updated to reflect the new status
if (level_changed)
NativeWindow::NotifyWindowAlwaysOnTopChanged();
}
ui::ZOrderLevel NativeWindowViews::GetZOrderLevel() {
return widget()->GetZOrderLevel();
}
void NativeWindowViews::Center() {
widget()->CenterWindow(GetSize());
}
void NativeWindowViews::Invalidate() {
widget()->SchedulePaintInRect(gfx::Rect(GetBounds().size()));
}
void NativeWindowViews::SetTitle(const std::string& title) {
title_ = title;
widget()->UpdateWindowTitle();
}
std::string NativeWindowViews::GetTitle() {
return title_;
}
void NativeWindowViews::FlashFrame(bool flash) {
#if BUILDFLAG(IS_WIN)
// The Chromium's implementation has a bug stopping flash.
if (!flash) {
FLASHWINFO fwi;
fwi.cbSize = sizeof(fwi);
fwi.hwnd = GetAcceleratedWidget();
fwi.dwFlags = FLASHW_STOP;
fwi.uCount = 0;
FlashWindowEx(&fwi);
return;
}
#endif
widget()->FlashFrame(flash);
}
void NativeWindowViews::SetSkipTaskbar(bool skip) {
#if BUILDFLAG(IS_WIN)
Microsoft::WRL::ComPtr<ITaskbarList> taskbar;
if (FAILED(::CoCreateInstance(CLSID_TaskbarList, nullptr,
CLSCTX_INPROC_SERVER,
IID_PPV_ARGS(&taskbar))) ||
FAILED(taskbar->HrInit()))
return;
if (skip) {
taskbar->DeleteTab(GetAcceleratedWidget());
} else {
taskbar->AddTab(GetAcceleratedWidget());
taskbar_host_.RestoreThumbarButtons(GetAcceleratedWidget());
}
#elif defined(USE_OZONE_PLATFORM_X11)
if (IsX11())
SetWMSpecState(static_cast<x11::Window>(GetAcceleratedWidget()), skip,
x11::GetAtom("_NET_WM_STATE_SKIP_TASKBAR"));
#endif
}
void NativeWindowViews::SetSimpleFullScreen(bool simple_fullscreen) {
SetFullScreen(simple_fullscreen);
}
bool NativeWindowViews::IsSimpleFullScreen() {
return IsFullscreen();
}
void NativeWindowViews::SetKiosk(bool kiosk) {
SetFullScreen(kiosk);
}
bool NativeWindowViews::IsKiosk() {
return IsFullscreen();
}
bool NativeWindowViews::IsTabletMode() const {
#if BUILDFLAG(IS_WIN)
return base::win::IsWindows10OrGreaterTabletMode(GetAcceleratedWidget());
#else
return false;
#endif
}
SkColor NativeWindowViews::GetBackgroundColor() {
auto* background = root_view_->background();
if (!background)
return SK_ColorTRANSPARENT;
return background->get_color();
}
void NativeWindowViews::SetBackgroundColor(SkColor background_color) {
// web views' background color.
root_view_->SetBackground(views::CreateSolidBackground(background_color));
#if BUILDFLAG(IS_WIN)
// Set the background color of native window.
HBRUSH brush = CreateSolidBrush(skia::SkColorToCOLORREF(background_color));
ULONG_PTR previous_brush =
SetClassLongPtr(GetAcceleratedWidget(), GCLP_HBRBACKGROUND,
reinterpret_cast<LONG_PTR>(brush));
if (previous_brush)
DeleteObject((HBRUSH)previous_brush);
InvalidateRect(GetAcceleratedWidget(), NULL, 1);
#endif
}
void NativeWindowViews::SetHasShadow(bool has_shadow) {
wm::SetShadowElevation(GetNativeWindow(),
has_shadow ? wm::kShadowElevationInactiveWindow
: wm::kShadowElevationNone);
}
bool NativeWindowViews::HasShadow() {
return GetNativeWindow()->GetProperty(wm::kShadowElevationKey) !=
wm::kShadowElevationNone;
}
void NativeWindowViews::SetOpacity(const double opacity) {
#if BUILDFLAG(IS_WIN)
const double boundedOpacity = base::clamp(opacity, 0.0, 1.0);
HWND hwnd = GetAcceleratedWidget();
if (!layered_) {
LONG ex_style = ::GetWindowLong(hwnd, GWL_EXSTYLE);
ex_style |= WS_EX_LAYERED;
::SetWindowLong(hwnd, GWL_EXSTYLE, ex_style);
layered_ = true;
}
::SetLayeredWindowAttributes(hwnd, 0, boundedOpacity * 255, LWA_ALPHA);
opacity_ = boundedOpacity;
#else
opacity_ = 1.0; // setOpacity unsupported on Linux
#endif
}
double NativeWindowViews::GetOpacity() {
return opacity_;
}
void NativeWindowViews::SetIgnoreMouseEvents(bool ignore, bool forward) {
#if BUILDFLAG(IS_WIN)
LONG ex_style = ::GetWindowLong(GetAcceleratedWidget(), GWL_EXSTYLE);
if (ignore)
ex_style |= (WS_EX_TRANSPARENT | WS_EX_LAYERED);
else
ex_style &= ~(WS_EX_TRANSPARENT | WS_EX_LAYERED);
if (layered_)
ex_style |= WS_EX_LAYERED;
::SetWindowLong(GetAcceleratedWidget(), GWL_EXSTYLE, ex_style);
// Forwarding is always disabled when not ignoring mouse messages.
if (!ignore) {
SetForwardMouseMessages(false);
} else {
SetForwardMouseMessages(forward);
}
#elif defined(USE_OZONE_PLATFORM_X11)
if (IsX11()) {
auto* connection = x11::Connection::Get();
if (ignore) {
x11::Rectangle r{0, 0, 1, 1};
connection->shape().Rectangles({
.operation = x11::Shape::So::Set,
.destination_kind = x11::Shape::Sk::Input,
.ordering = x11::ClipOrdering::YXBanded,
.destination_window =
static_cast<x11::Window>(GetAcceleratedWidget()),
.rectangles = {r},
});
} else {
connection->shape().Mask({
.operation = x11::Shape::So::Set,
.destination_kind = x11::Shape::Sk::Input,
.destination_window =
static_cast<x11::Window>(GetAcceleratedWidget()),
.source_bitmap = x11::Pixmap::None,
});
}
}
#endif
}
void NativeWindowViews::SetContentProtection(bool enable) {
#if BUILDFLAG(IS_WIN)
HWND hwnd = GetAcceleratedWidget();
DWORD affinity = enable ? WDA_EXCLUDEFROMCAPTURE : WDA_NONE;
::SetWindowDisplayAffinity(hwnd, affinity);
if (!layered_) {
// Workaround to prevent black window on screen capture after hiding and
// showing the BrowserWindow.
LONG ex_style = ::GetWindowLong(hwnd, GWL_EXSTYLE);
ex_style |= WS_EX_LAYERED;
::SetWindowLong(hwnd, GWL_EXSTYLE, ex_style);
layered_ = true;
}
#endif
}
void NativeWindowViews::SetFocusable(bool focusable) {
widget()->widget_delegate()->SetCanActivate(focusable);
#if BUILDFLAG(IS_WIN)
LONG ex_style = ::GetWindowLong(GetAcceleratedWidget(), GWL_EXSTYLE);
if (focusable)
ex_style &= ~WS_EX_NOACTIVATE;
else
ex_style |= WS_EX_NOACTIVATE;
::SetWindowLong(GetAcceleratedWidget(), GWL_EXSTYLE, ex_style);
SetSkipTaskbar(!focusable);
Focus(false);
#endif
}
bool NativeWindowViews::IsFocusable() {
bool can_activate = widget()->widget_delegate()->CanActivate();
#if BUILDFLAG(IS_WIN)
LONG ex_style = ::GetWindowLong(GetAcceleratedWidget(), GWL_EXSTYLE);
bool no_activate = ex_style & WS_EX_NOACTIVATE;
return !no_activate && can_activate;
#else
return can_activate;
#endif
}
void NativeWindowViews::SetMenu(ElectronMenuModel* menu_model) {
#if defined(USE_OZONE)
// Remove global menu bar.
if (global_menu_bar_ && menu_model == nullptr) {
global_menu_bar_.reset();
root_view_->UnregisterAcceleratorsWithFocusManager();
return;
}
// Use global application menu bar when possible.
if (CreateGlobalMenuBar() && ShouldUseGlobalMenuBar()) {
if (!global_menu_bar_)
global_menu_bar_ = std::make_unique<GlobalMenuBarX11>(this);
if (global_menu_bar_->IsServerStarted()) {
root_view_->RegisterAcceleratorsWithFocusManager(menu_model);
global_menu_bar_->SetMenu(menu_model);
return;
}
}
#endif
// Should reset content size when setting menu.
gfx::Size content_size = GetContentSize();
bool should_reset_size = use_content_size_ && has_frame() &&
!IsMenuBarAutoHide() &&
((!!menu_model) != root_view_->HasMenu());
root_view_->SetMenu(menu_model);
if (should_reset_size) {
// Enlarge the size constraints for the menu.
int menu_bar_height = root_view_->GetMenuBarHeight();
extensions::SizeConstraints constraints = GetContentSizeConstraints();
if (constraints.HasMinimumSize()) {
gfx::Size min_size = constraints.GetMinimumSize();
min_size.set_height(min_size.height() + menu_bar_height);
constraints.set_minimum_size(min_size);
}
if (constraints.HasMaximumSize()) {
gfx::Size max_size = constraints.GetMaximumSize();
max_size.set_height(max_size.height() + menu_bar_height);
constraints.set_maximum_size(max_size);
}
SetContentSizeConstraints(constraints);
// Resize the window to make sure content size is not changed.
SetContentSize(content_size);
}
}
void NativeWindowViews::AddBrowserView(NativeBrowserView* view) {
if (!content_view())
return;
if (!view) {
return;
}
add_browser_view(view);
if (view->GetInspectableWebContentsView())
content_view()->AddChildView(
view->GetInspectableWebContentsView()->GetView());
}
void NativeWindowViews::RemoveBrowserView(NativeBrowserView* view) {
if (!content_view())
return;
if (!view) {
return;
}
if (view->GetInspectableWebContentsView())
content_view()->RemoveChildView(
view->GetInspectableWebContentsView()->GetView());
remove_browser_view(view);
}
void NativeWindowViews::SetTopBrowserView(NativeBrowserView* view) {
if (!content_view())
return;
if (!view) {
return;
}
remove_browser_view(view);
add_browser_view(view);
if (view->GetInspectableWebContentsView())
content_view()->ReorderChildView(
view->GetInspectableWebContentsView()->GetView(), -1);
}
void NativeWindowViews::SetParentWindow(NativeWindow* parent) {
NativeWindow::SetParentWindow(parent);
#if defined(USE_OZONE_PLATFORM_X11)
if (IsX11())
x11::SetProperty(
static_cast<x11::Window>(GetAcceleratedWidget()),
x11::Atom::WM_TRANSIENT_FOR, x11::Atom::WINDOW,
parent ? static_cast<x11::Window>(parent->GetAcceleratedWidget())
: ui::GetX11RootWindow());
#elif BUILDFLAG(IS_WIN)
// To set parentship between windows into Windows is better to play with the
// owner instead of the parent, as Windows natively seems to do if a parent
// is specified at window creation time.
// For do this we must NOT use the ::SetParent function, instead we must use
// the ::GetWindowLongPtr or ::SetWindowLongPtr functions with "nIndex" set
// to "GWLP_HWNDPARENT" which actually means the window owner.
HWND hwndParent = parent ? parent->GetAcceleratedWidget() : NULL;
if (hwndParent ==
(HWND)::GetWindowLongPtr(GetAcceleratedWidget(), GWLP_HWNDPARENT))
return;
::SetWindowLongPtr(GetAcceleratedWidget(), GWLP_HWNDPARENT,
(LONG_PTR)hwndParent);
// Ensures the visibility
if (IsVisible()) {
WINDOWPLACEMENT wp;
wp.length = sizeof(WINDOWPLACEMENT);
::GetWindowPlacement(GetAcceleratedWidget(), &wp);
::ShowWindow(GetAcceleratedWidget(), SW_HIDE);
::ShowWindow(GetAcceleratedWidget(), wp.showCmd);
::BringWindowToTop(GetAcceleratedWidget());
}
#endif
}
gfx::NativeView NativeWindowViews::GetNativeView() const {
return widget()->GetNativeView();
}
gfx::NativeWindow NativeWindowViews::GetNativeWindow() const {
return widget()->GetNativeWindow();
}
void NativeWindowViews::SetProgressBar(double progress,
NativeWindow::ProgressState state) {
#if BUILDFLAG(IS_WIN)
taskbar_host_.SetProgressBar(GetAcceleratedWidget(), progress, state);
#elif BUILDFLAG(IS_LINUX)
if (unity::IsRunning()) {
unity::SetProgressFraction(progress);
}
#endif
}
void NativeWindowViews::SetOverlayIcon(const gfx::Image& overlay,
const std::string& description) {
#if BUILDFLAG(IS_WIN)
SkBitmap overlay_bitmap = overlay.AsBitmap();
taskbar_host_.SetOverlayIcon(GetAcceleratedWidget(), overlay_bitmap,
description);
#endif
}
void NativeWindowViews::SetAutoHideMenuBar(bool auto_hide) {
root_view_->SetAutoHideMenuBar(auto_hide);
}
bool NativeWindowViews::IsMenuBarAutoHide() {
return root_view_->IsMenuBarAutoHide();
}
void NativeWindowViews::SetMenuBarVisibility(bool visible) {
root_view_->SetMenuBarVisibility(visible);
}
bool NativeWindowViews::IsMenuBarVisible() {
return root_view_->IsMenuBarVisible();
}
void NativeWindowViews::SetVisibleOnAllWorkspaces(
bool visible,
bool visibleOnFullScreen,
bool skipTransformProcessType) {
widget()->SetVisibleOnAllWorkspaces(visible);
}
bool NativeWindowViews::IsVisibleOnAllWorkspaces() {
#if defined(USE_OZONE_PLATFORM_X11)
if (IsX11()) {
// Use the presence/absence of _NET_WM_STATE_STICKY in _NET_WM_STATE to
// determine whether the current window is visible on all workspaces.
x11::Atom sticky_atom = x11::GetAtom("_NET_WM_STATE_STICKY");
std::vector<x11::Atom> wm_states;
GetArrayProperty(static_cast<x11::Window>(GetAcceleratedWidget()),
x11::GetAtom("_NET_WM_STATE"), &wm_states);
return std::find(wm_states.begin(), wm_states.end(), sticky_atom) !=
wm_states.end();
}
#endif
return false;
}
content::DesktopMediaID NativeWindowViews::GetDesktopMediaID() const {
const gfx::AcceleratedWidget accelerated_widget = GetAcceleratedWidget();
content::DesktopMediaID::Id window_handle = content::DesktopMediaID::kNullId;
content::DesktopMediaID::Id aura_id = content::DesktopMediaID::kNullId;
#if BUILDFLAG(IS_WIN)
window_handle =
reinterpret_cast<content::DesktopMediaID::Id>(accelerated_widget);
#elif BUILDFLAG(IS_LINUX)
window_handle = static_cast<uint32_t>(accelerated_widget);
#endif
aura::WindowTreeHost* const host =
aura::WindowTreeHost::GetForAcceleratedWidget(accelerated_widget);
aura::Window* const aura_window = host ? host->window() : nullptr;
if (aura_window) {
aura_id = content::DesktopMediaID::RegisterNativeWindow(
content::DesktopMediaID::TYPE_WINDOW, aura_window)
.window_id;
}
// No constructor to pass the aura_id. Make sure to not use the other
// constructor that has a third parameter, it is for yet another purpose.
content::DesktopMediaID result = content::DesktopMediaID(
content::DesktopMediaID::TYPE_WINDOW, window_handle);
// Confusing but this is how content::DesktopMediaID is designed. The id
// property is the window handle whereas the window_id property is an id
// given by a map containing all aura instances.
result.window_id = aura_id;
return result;
}
gfx::AcceleratedWidget NativeWindowViews::GetAcceleratedWidget() const {
if (GetNativeWindow() && GetNativeWindow()->GetHost())
return GetNativeWindow()->GetHost()->GetAcceleratedWidget();
else
return gfx::kNullAcceleratedWidget;
}
NativeWindowHandle NativeWindowViews::GetNativeWindowHandle() const {
return GetAcceleratedWidget();
}
gfx::Rect NativeWindowViews::ContentBoundsToWindowBounds(
const gfx::Rect& bounds) const {
if (!has_frame())
return bounds;
gfx::Rect window_bounds(bounds);
#if BUILDFLAG(IS_WIN)
if (widget()->non_client_view()) {
HWND hwnd = GetAcceleratedWidget();
gfx::Rect dpi_bounds = DIPToScreenRect(hwnd, bounds);
window_bounds = ScreenToDIPRect(
hwnd, widget()->non_client_view()->GetWindowBoundsForClientBounds(
dpi_bounds));
}
#endif
if (root_view_->HasMenu() && root_view_->IsMenuBarVisible()) {
int menu_bar_height = root_view_->GetMenuBarHeight();
window_bounds.set_y(window_bounds.y() - menu_bar_height);
window_bounds.set_height(window_bounds.height() + menu_bar_height);
}
return window_bounds;
}
gfx::Rect NativeWindowViews::WindowBoundsToContentBounds(
const gfx::Rect& bounds) const {
if (!has_frame())
return bounds;
gfx::Rect content_bounds(bounds);
#if BUILDFLAG(IS_WIN)
HWND hwnd = GetAcceleratedWidget();
content_bounds.set_size(DIPToScreenRect(hwnd, content_bounds).size());
RECT rect;
SetRectEmpty(&rect);
DWORD style = ::GetWindowLong(hwnd, GWL_STYLE);
DWORD ex_style = ::GetWindowLong(hwnd, GWL_EXSTYLE);
AdjustWindowRectEx(&rect, style, FALSE, ex_style);
content_bounds.set_width(content_bounds.width() - (rect.right - rect.left));
content_bounds.set_height(content_bounds.height() - (rect.bottom - rect.top));
content_bounds.set_size(ScreenToDIPRect(hwnd, content_bounds).size());
#endif
if (root_view_->HasMenu() && root_view_->IsMenuBarVisible()) {
int menu_bar_height = root_view_->GetMenuBarHeight();
content_bounds.set_y(content_bounds.y() + menu_bar_height);
content_bounds.set_height(content_bounds.height() - menu_bar_height);
}
return content_bounds;
}
void NativeWindowViews::UpdateDraggableRegions(
const std::vector<mojom::DraggableRegionPtr>& regions) {
draggable_region_ = DraggableRegionsToSkRegion(regions);
}
#if BUILDFLAG(IS_WIN)
void NativeWindowViews::SetIcon(HICON window_icon, HICON app_icon) {
// We are responsible for storing the images.
window_icon_ = base::win::ScopedHICON(CopyIcon(window_icon));
app_icon_ = base::win::ScopedHICON(CopyIcon(app_icon));
HWND hwnd = GetAcceleratedWidget();
SendMessage(hwnd, WM_SETICON, ICON_SMALL,
reinterpret_cast<LPARAM>(window_icon_.get()));
SendMessage(hwnd, WM_SETICON, ICON_BIG,
reinterpret_cast<LPARAM>(app_icon_.get()));
}
#elif BUILDFLAG(IS_LINUX)
void NativeWindowViews::SetIcon(const gfx::ImageSkia& icon) {
auto* tree_host = views::DesktopWindowTreeHostLinux::GetHostForWidget(
GetAcceleratedWidget());
tree_host->SetWindowIcons(icon, {});
}
#endif
void NativeWindowViews::OnWidgetActivationChanged(views::Widget* changed_widget,
bool active) {
if (changed_widget != widget())
return;
if (active) {
MoveBehindTaskBarIfNeeded();
NativeWindow::NotifyWindowFocus();
} else {
NativeWindow::NotifyWindowBlur();
}
// Hide menu bar when window is blurred.
if (!active && IsMenuBarAutoHide() && IsMenuBarVisible())
SetMenuBarVisibility(false);
root_view_->ResetAltState();
}
void NativeWindowViews::OnWidgetBoundsChanged(views::Widget* changed_widget,
const gfx::Rect& bounds) {
if (changed_widget != widget())
return;
// Note: We intentionally use `GetBounds()` instead of `bounds` to properly
// handle minimized windows on Windows.
const auto new_bounds = GetBounds();
if (widget_size_ != new_bounds.size()) {
int width_delta = new_bounds.width() - widget_size_.width();
int height_delta = new_bounds.height() - widget_size_.height();
for (NativeBrowserView* item : browser_views()) {
auto* native_view = static_cast<NativeBrowserViewViews*>(item);
native_view->SetAutoResizeProportions(widget_size_);
native_view->AutoResize(new_bounds, width_delta, height_delta);
}
NotifyWindowResize();
widget_size_ = new_bounds.size();
}
}
void NativeWindowViews::OnWidgetDestroying(views::Widget* widget) {
aura::Window* window = GetNativeWindow();
if (window)
window->RemovePreTargetHandler(this);
}
void NativeWindowViews::OnWidgetDestroyed(views::Widget* changed_widget) {
widget_destroyed_ = true;
}
views::View* NativeWindowViews::GetInitiallyFocusedView() {
return focused_view_;
}
bool NativeWindowViews::CanMaximize() const {
return resizable_ && maximizable_;
}
bool NativeWindowViews::CanMinimize() const {
#if BUILDFLAG(IS_WIN)
return minimizable_;
#elif BUILDFLAG(IS_LINUX)
return true;
#endif
}
std::u16string NativeWindowViews::GetWindowTitle() const {
return base::UTF8ToUTF16(title_);
}
views::View* NativeWindowViews::GetContentsView() {
return root_view_.get();
}
bool NativeWindowViews::ShouldDescendIntoChildForEventHandling(
gfx::NativeView child,
const gfx::Point& location) {
// App window should claim mouse events that fall within any BrowserViews'
// draggable region.
for (auto* view : browser_views()) {
auto* native_view = static_cast<NativeBrowserViewViews*>(view);
auto* view_draggable_region = native_view->draggable_region();
if (view_draggable_region &&
view_draggable_region->contains(location.x(), location.y()))
return false;
}
// App window should claim mouse events that fall within the draggable region.
if (draggable_region() &&
draggable_region()->contains(location.x(), location.y()))
return false;
// And the events on border for dragging resizable frameless window.
if ((!has_frame() || has_client_frame()) && resizable_) {
auto* frame =
static_cast<FramelessView*>(widget()->non_client_view()->frame_view());
return frame->ResizingBorderHitTest(location) == HTNOWHERE;
}
return true;
}
views::ClientView* NativeWindowViews::CreateClientView(views::Widget* widget) {
return new NativeWindowClientView(widget, root_view_.get(), this);
}
std::unique_ptr<views::NonClientFrameView>
NativeWindowViews::CreateNonClientFrameView(views::Widget* widget) {
#if BUILDFLAG(IS_WIN)
auto frame_view = std::make_unique<WinFrameView>();
frame_view->Init(this, widget);
return frame_view;
#else
if (has_frame() && !has_client_frame()) {
return std::make_unique<NativeFrameView>(this, widget);
} else {
auto frame_view = has_frame() && has_client_frame()
? std::make_unique<ClientFrameViewLinux>()
: std::make_unique<FramelessView>();
frame_view->Init(this, widget);
return frame_view;
}
#endif
}
void NativeWindowViews::OnWidgetMove() {
NotifyWindowMove();
}
void NativeWindowViews::HandleKeyboardEvent(
content::WebContents*,
const content::NativeWebKeyboardEvent& event) {
if (widget_destroyed_)
return;
#if BUILDFLAG(IS_LINUX)
if (event.windows_key_code == ui::VKEY_BROWSER_BACK)
NotifyWindowExecuteAppCommand(kBrowserBackward);
else if (event.windows_key_code == ui::VKEY_BROWSER_FORWARD)
NotifyWindowExecuteAppCommand(kBrowserForward);
#endif
keyboard_event_handler_->HandleKeyboardEvent(event,
root_view_->GetFocusManager());
root_view_->HandleKeyEvent(event);
}
void NativeWindowViews::OnMouseEvent(ui::MouseEvent* event) {
if (event->type() != ui::ET_MOUSE_PRESSED)
return;
// Alt+Click should not toggle menu bar.
root_view_->ResetAltState();
#if BUILDFLAG(IS_LINUX)
if (event->changed_button_flags() == ui::EF_BACK_MOUSE_BUTTON)
NotifyWindowExecuteAppCommand(kBrowserBackward);
else if (event->changed_button_flags() == ui::EF_FORWARD_MOUSE_BUTTON)
NotifyWindowExecuteAppCommand(kBrowserForward);
#endif
}
ui::WindowShowState NativeWindowViews::GetRestoredState() {
if (IsMaximized()) {
#if BUILDFLAG(IS_WIN)
// Only restore Maximized state when window is NOT transparent style
if (!transparent()) {
return ui::SHOW_STATE_MAXIMIZED;
}
#else
return ui::SHOW_STATE_MAXIMIZED;
#endif
}
if (IsFullscreen())
return ui::SHOW_STATE_FULLSCREEN;
return ui::SHOW_STATE_NORMAL;
}
void NativeWindowViews::MoveBehindTaskBarIfNeeded() {
#if BUILDFLAG(IS_WIN)
if (behind_task_bar_) {
const HWND task_bar_hwnd = ::FindWindow(kUniqueTaskBarClassName, nullptr);
::SetWindowPos(GetAcceleratedWidget(), task_bar_hwnd, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
}
#endif
// TODO(julien.isorce): Implement X11 case.
}
// static
NativeWindow* NativeWindow::Create(const gin_helper::Dictionary& options,
NativeWindow* parent) {
return new NativeWindowViews(options, parent);
}
} // namespace electron