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native_window_mac.mm
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// Copyright (c) 2013 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_mac.h"
#include <AvailabilityMacros.h>
#include <objc/objc-runtime.h>
#include <algorithm>
#include <string>
#include <utility>
#include <vector>
#include "base/mac/mac_util.h"
#include "base/mac/scoped_cftyperef.h"
#include "base/numerics/ranges.h"
#include "base/strings/sys_string_conversions.h"
#include "base/task/post_task.h"
#include "components/remote_cocoa/app_shim/native_widget_ns_window_bridge.h"
#include "components/remote_cocoa/browser/scoped_cg_window_id.h"
#include "content/public/browser/browser_accessibility_state.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/desktop_media_id.h"
#include "content/public/common/content_features.h"
#include "shell/browser/javascript_environment.h"
#include "shell/browser/native_browser_view_mac.h"
#include "shell/browser/ui/cocoa/electron_native_widget_mac.h"
#include "shell/browser/ui/cocoa/electron_ns_window.h"
#include "shell/browser/ui/cocoa/electron_ns_window_delegate.h"
#include "shell/browser/ui/cocoa/electron_preview_item.h"
#include "shell/browser/ui/cocoa/electron_touch_bar.h"
#include "shell/browser/ui/cocoa/root_view_mac.h"
#include "shell/browser/ui/cocoa/window_buttons_view.h"
#include "shell/browser/ui/inspectable_web_contents.h"
#include "shell/browser/ui/inspectable_web_contents_view.h"
#include "shell/browser/window_list.h"
#include "shell/common/gin_converters/gfx_converter.h"
#include "shell/common/gin_helper/dictionary.h"
#include "shell/common/options_switches.h"
#include "shell/common/process_util.h"
#include "skia/ext/skia_utils_mac.h"
#include "third_party/webrtc/modules/desktop_capture/mac/window_list_utils.h"
#include "ui/display/screen.h"
#include "ui/gfx/skia_util.h"
#include "ui/gl/gpu_switching_manager.h"
#include "ui/views/background.h"
#include "ui/views/cocoa/native_widget_mac_ns_window_host.h"
#include "ui/views/widget/widget.h"
// This view would inform Chromium to resize the hosted views::View.
//
// The overrided methods should behave the same with BridgedContentView.
@interface ElectronAdaptedContentView : NSView {
@private
views::NativeWidgetMacNSWindowHost* bridge_host_;
}
@end
@implementation ElectronAdaptedContentView
- (id)initWithShell:(electron::NativeWindowMac*)shell {
if ((self = [self init])) {
bridge_host_ = views::NativeWidgetMacNSWindowHost::GetFromNativeWindow(
shell->GetNativeWindow());
}
return self;
}
- (void)viewDidMoveToWindow {
// When this view is added to a window, AppKit calls setFrameSize before it is
// added to the window, so the behavior in setFrameSize is not triggered.
NSWindow* window = [self window];
if (window)
[self setFrameSize:NSZeroSize];
}
- (void)setFrameSize:(NSSize)newSize {
// The size passed in here does not always use
// -[NSWindow contentRectForFrameRect]. The following ensures that the
// contentView for a frameless window can extend over the titlebar of the new
// window containing it, since AppKit requires a titlebar to give frameless
// windows correct shadows and rounded corners.
NSWindow* window = [self window];
if (window && [window contentView] == self) {
newSize = [window contentRectForFrameRect:[window frame]].size;
// Ensure that the window geometry be updated on the host side before the
// view size is updated.
bridge_host_->GetInProcessNSWindowBridge()->UpdateWindowGeometry();
}
[super setFrameSize:newSize];
// The OnViewSizeChanged is marked private in derived class.
static_cast<remote_cocoa::mojom::NativeWidgetNSWindowHost*>(bridge_host_)
->OnViewSizeChanged(gfx::Size(newSize.width, newSize.height));
}
@end
// This view always takes the size of its superview. It is intended to be used
// as a NSWindow's contentView. It is needed because NSWindow's implementation
// explicitly resizes the contentView at inopportune times.
@interface FullSizeContentView : NSView
@end
@implementation FullSizeContentView
// This method is directly called by NSWindow during a window resize on OSX
// 10.10.0, beta 2. We must override it to prevent the content view from
// shrinking.
- (void)setFrameSize:(NSSize)size {
if ([self superview])
size = [[self superview] bounds].size;
[super setFrameSize:size];
}
// The contentView gets moved around during certain full-screen operations.
// This is less than ideal, and should eventually be removed.
- (void)viewDidMoveToSuperview {
[self setFrame:[[self superview] bounds]];
}
@end
@interface ElectronProgressBar : NSProgressIndicator
@end
@implementation ElectronProgressBar
- (void)drawRect:(NSRect)dirtyRect {
if (self.style != NSProgressIndicatorBarStyle)
return;
// Draw edges of rounded rect.
NSRect rect = NSInsetRect([self bounds], 1.0, 1.0);
CGFloat radius = rect.size.height / 2;
NSBezierPath* bezier_path = [NSBezierPath bezierPathWithRoundedRect:rect
xRadius:radius
yRadius:radius];
[bezier_path setLineWidth:2.0];
[[NSColor grayColor] set];
[bezier_path stroke];
// Fill the rounded rect.
rect = NSInsetRect(rect, 2.0, 2.0);
radius = rect.size.height / 2;
bezier_path = [NSBezierPath bezierPathWithRoundedRect:rect
xRadius:radius
yRadius:radius];
[bezier_path setLineWidth:1.0];
[bezier_path addClip];
// Calculate the progress width.
rect.size.width =
floor(rect.size.width * ([self doubleValue] / [self maxValue]));
// Fill the progress bar with color blue.
[[NSColor colorWithSRGBRed:0.2 green:0.6 blue:1 alpha:1] set];
NSRectFill(rect);
}
@end
namespace gin {
template <>
struct Converter<electron::NativeWindowMac::TitleBarStyle> {
static bool FromV8(v8::Isolate* isolate,
v8::Handle<v8::Value> val,
electron::NativeWindowMac::TitleBarStyle* out) {
using TitleBarStyle = electron::NativeWindowMac::TitleBarStyle;
std::string title_bar_style;
if (!ConvertFromV8(isolate, val, &title_bar_style))
return false;
if (title_bar_style == "hidden") {
*out = TitleBarStyle::kHidden;
} else if (title_bar_style == "hiddenInset") {
*out = TitleBarStyle::kHiddenInset;
} else if (title_bar_style == "customButtonsOnHover") {
*out = TitleBarStyle::kCustomButtonsOnHover;
} else {
return false;
}
return true;
}
};
template <>
struct Converter<electron::NativeWindowMac::VisualEffectState> {
static bool FromV8(v8::Isolate* isolate,
v8::Handle<v8::Value> val,
electron::NativeWindowMac::VisualEffectState* out) {
using VisualEffectState = electron::NativeWindowMac::VisualEffectState;
std::string visual_effect_state;
if (!ConvertFromV8(isolate, val, &visual_effect_state))
return false;
if (visual_effect_state == "followWindow") {
*out = VisualEffectState::kFollowWindow;
} else if (visual_effect_state == "active") {
*out = VisualEffectState::kActive;
} else if (visual_effect_state == "inactive") {
*out = VisualEffectState::kInactive;
} else {
return false;
}
return true;
}
};
} // namespace gin
namespace electron {
namespace {
bool IsFramelessWindow(NSView* view) {
NSWindow* nswindow = [view window];
if (![nswindow respondsToSelector:@selector(shell)])
return false;
NativeWindow* window = [static_cast<ElectronNSWindow*>(nswindow) shell];
return window && !window->has_frame();
}
IMP original_set_frame_size = nullptr;
IMP original_view_did_move_to_superview = nullptr;
// This method is directly called by NSWindow during a window resize on OSX
// 10.10.0, beta 2. We must override it to prevent the content view from
// shrinking.
void SetFrameSize(NSView* self, SEL _cmd, NSSize size) {
if (!IsFramelessWindow(self)) {
auto original =
reinterpret_cast<decltype(&SetFrameSize)>(original_set_frame_size);
return original(self, _cmd, size);
}
// For frameless window, resize the view to cover full window.
if ([self superview])
size = [[self superview] bounds].size;
auto super_impl = reinterpret_cast<decltype(&SetFrameSize)>(
[[self superclass] instanceMethodForSelector:_cmd]);
super_impl(self, _cmd, size);
}
// The contentView gets moved around during certain full-screen operations.
// This is less than ideal, and should eventually be removed.
void ViewDidMoveToSuperview(NSView* self, SEL _cmd) {
if (!IsFramelessWindow(self)) {
// [BridgedContentView viewDidMoveToSuperview];
auto original = reinterpret_cast<decltype(&ViewDidMoveToSuperview)>(
original_view_did_move_to_superview);
if (original)
original(self, _cmd);
return;
}
[self setFrame:[[self superview] bounds]];
}
} // namespace
NativeWindowMac::NativeWindowMac(const gin_helper::Dictionary& options,
NativeWindow* parent)
: NativeWindow(options, parent), root_view_(new RootViewMac(this)) {
ui::NativeTheme::GetInstanceForNativeUi()->AddObserver(this);
display::Screen::GetScreen()->AddObserver(this);
int width = 800, height = 600;
options.Get(options::kWidth, &width);
options.Get(options::kHeight, &height);
NSRect main_screen_rect = [[[NSScreen screens] firstObject] frame];
gfx::Rect bounds(round((NSWidth(main_screen_rect) - width) / 2),
round((NSHeight(main_screen_rect) - height) / 2), width,
height);
bool resizable = true;
options.Get(options::kResizable, &resizable);
options.Get(options::kTitleBarStyle, &title_bar_style_);
options.Get(options::kZoomToPageWidth, &zoom_to_page_width_);
options.Get(options::kSimpleFullScreen, &always_simple_fullscreen_);
options.GetOptional(options::kTrafficLightPosition, &traffic_light_position_);
options.Get(options::kVisualEffectState, &visual_effect_state_);
options.Get(options::ktitleBarOverlay, &titlebar_overlay_);
if (options.Has(options::kFullscreenWindowTitle)) {
EmitWarning(
node::Environment::GetCurrent(JavascriptEnvironment::GetIsolate()),
"\"fullscreenWindowTitle\" option has been deprecated and is "
"no-op now.",
"electron");
}
bool minimizable = true;
options.Get(options::kMinimizable, &minimizable);
bool maximizable = true;
options.Get(options::kMaximizable, &maximizable);
bool closable = true;
options.Get(options::kClosable, &closable);
std::string tabbingIdentifier;
options.Get(options::kTabbingIdentifier, &tabbingIdentifier);
std::string windowType;
options.Get(options::kType, &windowType);
bool useStandardWindow = true;
// eventually deprecate separate "standardWindow" option in favor of
// standard / textured window types
options.Get(options::kStandardWindow, &useStandardWindow);
if (windowType == "textured") {
useStandardWindow = false;
}
// The window without titlebar is treated the same with frameless window.
if (title_bar_style_ != TitleBarStyle::kNormal)
set_has_frame(false);
NSUInteger styleMask = NSWindowStyleMaskTitled;
// The NSWindowStyleMaskFullSizeContentView style removes rounded corners
// for framless window.
bool rounded_corner = true;
options.Get(options::kRoundedCorners, &rounded_corner);
if (!rounded_corner && !has_frame())
styleMask = NSWindowStyleMaskFullSizeContentView;
if (minimizable)
styleMask |= NSMiniaturizableWindowMask;
if (closable)
styleMask |= NSWindowStyleMaskClosable;
if (resizable)
styleMask |= NSResizableWindowMask;
if (!useStandardWindow || transparent() || !has_frame())
styleMask |= NSTexturedBackgroundWindowMask;
// Create views::Widget and assign window_ with it.
// TODO(zcbenz): Get rid of the window_ in future.
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.native_widget = new ElectronNativeWidgetMac(this, styleMask, widget());
widget()->Init(std::move(params));
SetCanResize(resizable);
window_ = static_cast<ElectronNSWindow*>(
widget()->GetNativeWindow().GetNativeNSWindow());
[window_ setEnableLargerThanScreen:enable_larger_than_screen()];
window_delegate_.reset([[ElectronNSWindowDelegate alloc] initWithShell:this]);
[window_ setDelegate:window_delegate_];
// Only use native parent window for non-modal windows.
if (parent && !is_modal()) {
SetParentWindow(parent);
}
if (transparent()) {
// Setting the background color to clear will also hide the shadow.
[window_ setBackgroundColor:[NSColor clearColor]];
}
if (windowType == "desktop") {
[window_ setLevel:kCGDesktopWindowLevel - 1];
[window_ setDisableKeyOrMainWindow:YES];
[window_ setCollectionBehavior:(NSWindowCollectionBehaviorCanJoinAllSpaces |
NSWindowCollectionBehaviorStationary |
NSWindowCollectionBehaviorIgnoresCycle)];
}
bool focusable;
if (options.Get(options::kFocusable, &focusable) && !focusable)
[window_ setDisableKeyOrMainWindow:YES];
if (transparent() || !has_frame()) {
// Don't show title bar.
[window_ setTitlebarAppearsTransparent:YES];
[window_ setTitleVisibility:NSWindowTitleHidden];
// Remove non-transparent corners, see http://git.io/vfonD.
[window_ setOpaque:NO];
// Hide the window buttons.
InternalSetStandardButtonsVisibility(false);
}
// Create a tab only if tabbing identifier is specified and window has
// a native title bar.
if (tabbingIdentifier.empty() || transparent() || !has_frame()) {
if (@available(macOS 10.12, *)) {
[window_ setTabbingMode:NSWindowTabbingModeDisallowed];
}
} else {
if (@available(macOS 10.12, *)) {
[window_ setTabbingIdentifier:base::SysUTF8ToNSString(tabbingIdentifier)];
}
}
// Resize to content bounds.
bool use_content_size = false;
options.Get(options::kUseContentSize, &use_content_size);
if (!has_frame() || use_content_size)
SetContentSize(gfx::Size(width, height));
// Enable the NSView to accept first mouse event.
bool acceptsFirstMouse = false;
options.Get(options::kAcceptFirstMouse, &acceptsFirstMouse);
[window_ setAcceptsFirstMouse:acceptsFirstMouse];
// Disable auto-hiding cursor.
bool disableAutoHideCursor = false;
options.Get(options::kDisableAutoHideCursor, &disableAutoHideCursor);
[window_ setDisableAutoHideCursor:disableAutoHideCursor];
// Use an NSEvent monitor to listen for the wheel event.
BOOL __block began = NO;
wheel_event_monitor_ = [NSEvent
addLocalMonitorForEventsMatchingMask:NSScrollWheelMask
handler:^(NSEvent* event) {
if ([[event window] windowNumber] !=
[window_ windowNumber])
return event;
if (!began && (([event phase] ==
NSEventPhaseMayBegin) ||
([event phase] ==
NSEventPhaseBegan))) {
this->NotifyWindowScrollTouchBegin();
began = YES;
} else if (began &&
(([event phase] ==
NSEventPhaseEnded) ||
([event phase] ==
NSEventPhaseCancelled))) {
this->NotifyWindowScrollTouchEnd();
began = NO;
}
return event;
}];
// Set maximizable state last to ensure zoom button does not get reset
// by calls to other APIs.
SetMaximizable(maximizable);
// Default content view.
SetContentView(new views::View());
AddContentViewLayers();
original_frame_ = [window_ frame];
original_level_ = [window_ level];
}
NativeWindowMac::~NativeWindowMac() = default;
void NativeWindowMac::SetContentView(views::View* view) {
views::View* root_view = GetContentsView();
if (content_view())
root_view->RemoveChildView(content_view());
set_content_view(view);
root_view->AddChildView(content_view());
if (buttons_view_) {
// Ensure the buttons view are always floated on the top.
[buttons_view_ removeFromSuperview];
[[window_ contentView] addSubview:buttons_view_];
}
root_view->Layout();
}
void NativeWindowMac::Close() {
if (!IsClosable()) {
WindowList::WindowCloseCancelled(this);
return;
}
// If a sheet is attached to the window when we call
// [window_ performClose:nil], the window won't close properly
// even after the user has ended the sheet.
// Ensure it's closed before calling [window_ performClose:nil].
SetEnabled(true);
[window_ performClose:nil];
// Closing a sheet doesn't trigger windowShouldClose,
// so we need to manually call it ourselves here.
if (is_modal() && parent() && IsVisible()) {
NotifyWindowCloseButtonClicked();
}
}
void NativeWindowMac::CloseImmediately() {
// Retain the child window before closing it. If the last reference to the
// NSWindow goes away inside -[NSWindow close], then bad stuff can happen.
// See e.g. http://crbug.com/616701.
base::scoped_nsobject<NSWindow> child_window(window_,
base::scoped_policy::RETAIN);
[window_ close];
}
void NativeWindowMac::Focus(bool focus) {
if (!IsVisible())
return;
if (focus) {
[[NSApplication sharedApplication] activateIgnoringOtherApps:NO];
[window_ makeKeyAndOrderFront:nil];
} else {
[window_ orderBack:nil];
}
}
bool NativeWindowMac::IsFocused() {
return [window_ isKeyWindow];
}
void NativeWindowMac::Show() {
if (is_modal() && parent()) {
NSWindow* window = parent()->GetNativeWindow().GetNativeNSWindow();
if ([window_ sheetParent] == nil)
[window beginSheet:window_
completionHandler:^(NSModalResponse){
}];
return;
}
// Reattach the window to the parent to actually show it.
if (parent())
InternalSetParentWindow(parent(), true);
// This method is supposed to put focus on window, however if the app does not
// have focus then "makeKeyAndOrderFront" will only show the window.
[NSApp activateIgnoringOtherApps:YES];
[window_ makeKeyAndOrderFront:nil];
}
void NativeWindowMac::ShowInactive() {
// Reattach the window to the parent to actually show it.
if (parent())
InternalSetParentWindow(parent(), true);
[window_ orderFrontRegardless];
}
void NativeWindowMac::Hide() {
// If a sheet is attached to the window when we call [window_ orderOut:nil],
// the sheet won't be able to show again on the same window.
// Ensure it's closed before calling [window_ orderOut:nil].
SetEnabled(true);
if (is_modal() && parent()) {
[window_ orderOut:nil];
[parent()->GetNativeWindow().GetNativeNSWindow() endSheet:window_];
return;
}
// Deattach the window from the parent before.
if (parent())
InternalSetParentWindow(parent(), false);
[window_ orderOut:nil];
}
bool NativeWindowMac::IsVisible() {
bool occluded = [window_ occlusionState] == NSWindowOcclusionStateVisible;
// For a window to be visible, it must be visible to the user in the
// foreground of the app, which means that it should not be minimized or
// occluded
return [window_ isVisible] && !occluded && !IsMinimized();
}
void NativeWindowMac::SetFullScreenTransitionState(
FullScreenTransitionState state) {
fullscreen_transition_state_ = state;
}
bool NativeWindowMac::IsEnabled() {
return [window_ attachedSheet] == nil;
}
void NativeWindowMac::SetEnabled(bool enable) {
if (!enable) {
[window_ beginSheet:window_
completionHandler:^(NSModalResponse returnCode) {
NSLog(@"modal enabled");
return;
}];
} else if ([window_ attachedSheet]) {
[window_ endSheet:[window_ attachedSheet]];
}
}
void NativeWindowMac::Maximize() {
if (IsMaximized())
return;
// Take note of the current window size
if (IsNormal())
original_frame_ = [window_ frame];
[window_ zoom:nil];
}
void NativeWindowMac::Unmaximize() {
if (!IsMaximized())
return;
[window_ zoom:nil];
}
bool NativeWindowMac::IsMaximized() {
if (([window_ styleMask] & NSWindowStyleMaskResizable) != 0) {
return [window_ isZoomed];
} else {
NSRect rectScreen = [[NSScreen mainScreen] visibleFrame];
NSRect rectWindow = [window_ frame];
return (rectScreen.origin.x == rectWindow.origin.x &&
rectScreen.origin.y == rectWindow.origin.y &&
rectScreen.size.width == rectWindow.size.width &&
rectScreen.size.height == rectWindow.size.height);
}
}
void NativeWindowMac::Minimize() {
if (IsMinimized())
return;
// Take note of the current window size
if (IsNormal())
original_frame_ = [window_ frame];
[window_ miniaturize:nil];
}
void NativeWindowMac::Restore() {
[window_ deminiaturize:nil];
}
bool NativeWindowMac::IsMinimized() {
return [window_ isMiniaturized];
}
void NativeWindowMac::HandlePendingFullscreenTransitions() {
if (pending_transitions_.empty())
return;
bool next_transition = pending_transitions_.front();
pending_transitions_.pop();
SetFullScreen(next_transition);
}
void NativeWindowMac::SetFullScreen(bool fullscreen) {
// [NSWindow -toggleFullScreen] is an asynchronous operation, which means
// that it's possible to call it while a fullscreen transition is currently
// in process. This can create weird behavior (incl. phantom windows),
// so we want to schedule a transition for when the current one has completed.
if (fullscreen_transition_state() != FullScreenTransitionState::NONE) {
if (!pending_transitions_.empty()) {
bool last_pending = pending_transitions_.back();
// Only push new transitions if they're different than the last transition
// in the queue.
if (last_pending != fullscreen)
pending_transitions_.push(fullscreen);
} else {
pending_transitions_.push(fullscreen);
}
return;
}
if (fullscreen == IsFullscreen())
return;
// Take note of the current window size
if (IsNormal())
original_frame_ = [window_ frame];
// This needs to be set here because it can be the case that
// SetFullScreen is called by a user before windowWillEnterFullScreen
// or windowWillExitFullScreen are invoked, and so a potential transition
// could be dropped.
fullscreen_transition_state_ = fullscreen
? FullScreenTransitionState::ENTERING
: FullScreenTransitionState::EXITING;
[window_ toggleFullScreenMode:nil];
}
bool NativeWindowMac::IsFullscreen() const {
return [window_ styleMask] & NSWindowStyleMaskFullScreen;
}
void NativeWindowMac::SetBounds(const gfx::Rect& bounds, bool animate) {
// Do nothing if in fullscreen mode.
if (IsFullscreen())
return;
// Check size constraints since setFrame does not check it.
gfx::Size size = bounds.size();
size.SetToMax(GetMinimumSize());
gfx::Size max_size = GetMaximumSize();
if (!max_size.IsEmpty())
size.SetToMin(max_size);
NSRect cocoa_bounds = NSMakeRect(bounds.x(), 0, size.width(), size.height());
// Flip coordinates based on the primary screen.
NSScreen* screen = [[NSScreen screens] firstObject];
cocoa_bounds.origin.y = NSHeight([screen frame]) - size.height() - bounds.y();
[window_ setFrame:cocoa_bounds display:YES animate:animate];
}
gfx::Rect NativeWindowMac::GetBounds() {
NSRect frame = [window_ frame];
gfx::Rect bounds(frame.origin.x, 0, NSWidth(frame), NSHeight(frame));
NSScreen* screen = [[NSScreen screens] firstObject];
bounds.set_y(NSHeight([screen frame]) - NSMaxY(frame));
return bounds;
}
bool NativeWindowMac::IsNormal() {
return NativeWindow::IsNormal() && !IsSimpleFullScreen();
}
gfx::Rect NativeWindowMac::GetNormalBounds() {
if (IsNormal()) {
return GetBounds();
}
NSRect frame = original_frame_;
gfx::Rect bounds(frame.origin.x, 0, NSWidth(frame), NSHeight(frame));
NSScreen* screen = [[NSScreen screens] firstObject];
bounds.set_y(NSHeight([screen frame]) - NSMaxY(frame));
return bounds;
// Works on OS_WIN !
// return widget()->GetRestoredBounds();
}
void NativeWindowMac::SetContentSizeConstraints(
const extensions::SizeConstraints& size_constraints) {
auto convertSize = [this](const gfx::Size& size) {
// Our frameless window still has titlebar attached, so setting contentSize
// will result in actual content size being larger.
if (!has_frame()) {
NSRect frame = NSMakeRect(0, 0, size.width(), size.height());
NSRect content = [window_ originalContentRectForFrameRect:frame];
return content.size;
} else {
return NSMakeSize(size.width(), size.height());
}
};
NSView* content = [window_ contentView];
if (size_constraints.HasMinimumSize()) {
NSSize min_size = convertSize(size_constraints.GetMinimumSize());
[window_ setContentMinSize:[content convertSize:min_size toView:nil]];
}
if (size_constraints.HasMaximumSize()) {
NSSize max_size = convertSize(size_constraints.GetMaximumSize());
[window_ setContentMaxSize:[content convertSize:max_size toView:nil]];
}
NativeWindow::SetContentSizeConstraints(size_constraints);
}
bool NativeWindowMac::MoveAbove(const std::string& sourceId) {
const content::DesktopMediaID id = content::DesktopMediaID::Parse(sourceId);
if (id.type != content::DesktopMediaID::TYPE_WINDOW)
return false;
// Check if the window source is valid.
const CGWindowID window_id = id.id;
if (!webrtc::GetWindowOwnerPid(window_id))
return false;
[window_ orderWindow:NSWindowAbove relativeTo:id.id];
return true;
}
void NativeWindowMac::MoveTop() {
[window_ orderWindow:NSWindowAbove relativeTo:0];
}
void NativeWindowMac::SetResizable(bool resizable) {
SetStyleMask(resizable, NSWindowStyleMaskResizable);
SetCanResize(resizable);
}
bool NativeWindowMac::IsResizable() {
return [window_ styleMask] & NSWindowStyleMaskResizable;
}
void NativeWindowMac::SetMovable(bool movable) {
[window_ setMovable:movable];
}
bool NativeWindowMac::IsMovable() {
return [window_ isMovable];
}
void NativeWindowMac::SetMinimizable(bool minimizable) {
SetStyleMask(minimizable, NSMiniaturizableWindowMask);
if (buttons_view_)
[[buttons_view_ viewWithTag:1] setEnabled:minimizable];
}
bool NativeWindowMac::IsMinimizable() {
return [window_ styleMask] & NSMiniaturizableWindowMask;
}
void NativeWindowMac::SetMaximizable(bool maximizable) {
maximizable_ = maximizable;
[[window_ standardWindowButton:NSWindowZoomButton] setEnabled:maximizable];
}
bool NativeWindowMac::IsMaximizable() {
return [[window_ standardWindowButton:NSWindowZoomButton] isEnabled];
}
void NativeWindowMac::SetFullScreenable(bool fullscreenable) {
SetCollectionBehavior(fullscreenable,
NSWindowCollectionBehaviorFullScreenPrimary);
// On EL Capitan this flag is required to hide fullscreen button.
SetCollectionBehavior(!fullscreenable,
NSWindowCollectionBehaviorFullScreenAuxiliary);
if (buttons_view_)
[[buttons_view_ viewWithTag:2] setEnabled:fullscreenable];
}
bool NativeWindowMac::IsFullScreenable() {
NSUInteger collectionBehavior = [window_ collectionBehavior];
return collectionBehavior & NSWindowCollectionBehaviorFullScreenPrimary;
}
void NativeWindowMac::SetClosable(bool closable) {
SetStyleMask(closable, NSWindowStyleMaskClosable);
if (buttons_view_)
[[buttons_view_ viewWithTag:0] setEnabled:closable];
}
bool NativeWindowMac::IsClosable() {
return [window_ styleMask] & NSWindowStyleMaskClosable;
}
void NativeWindowMac::SetAlwaysOnTop(ui::ZOrderLevel z_order,
const std::string& level_name,
int relative_level) {
if (z_order == ui::ZOrderLevel::kNormal) {
SetWindowLevel(NSNormalWindowLevel);
return;
}
int level = NSNormalWindowLevel;
if (level_name == "floating") {
level = NSFloatingWindowLevel;
} else if (level_name == "torn-off-menu") {
level = NSTornOffMenuWindowLevel;
} else if (level_name == "modal-panel") {
level = NSModalPanelWindowLevel;
} else if (level_name == "main-menu") {
level = NSMainMenuWindowLevel;
} else if (level_name == "status") {
level = NSStatusWindowLevel;
} else if (level_name == "pop-up-menu") {
level = NSPopUpMenuWindowLevel;
} else if (level_name == "screen-saver") {
level = NSScreenSaverWindowLevel;
} else if (level_name == "dock") {
// Deprecated by macOS, but kept for backwards compatibility
level = NSDockWindowLevel;
}
SetWindowLevel(level + relative_level);
}
void NativeWindowMac::SetWindowLevel(int unbounded_level) {
int level = std::min(
std::max(unbounded_level, CGWindowLevelForKey(kCGMinimumWindowLevelKey)),
CGWindowLevelForKey(kCGMaximumWindowLevelKey));
ui::ZOrderLevel z_order_level = level == NSNormalWindowLevel
? ui::ZOrderLevel::kNormal
: ui::ZOrderLevel::kFloatingWindow;
bool did_z_order_level_change = z_order_level != GetZOrderLevel();
was_maximizable_ = IsMaximizable();
// We need to explicitly keep the NativeWidget up to date, since it stores the
// window level in a local variable, rather than reading it from the NSWindow.
// Unfortunately, it results in a second setLevel call. It's not ideal, but we
// don't expect this to cause any user-visible jank.
widget()->SetZOrderLevel(z_order_level);
[window_ setLevel:level];
// Set level will make the zoom button revert to default, probably
// a bug of Cocoa or macOS.
SetMaximizable(was_maximizable_);
// This must be notified at the very end or IsAlwaysOnTop
// will not yet have been updated to reflect the new status
if (did_z_order_level_change)
NativeWindow::NotifyWindowAlwaysOnTopChanged();
}
ui::ZOrderLevel NativeWindowMac::GetZOrderLevel() {
return widget()->GetZOrderLevel();
}
void NativeWindowMac::Center() {
[window_ center];
}
void NativeWindowMac::Invalidate() {
[window_ flushWindow];
[[window_ contentView] setNeedsDisplay:YES];
}
void NativeWindowMac::SetTitle(const std::string& title) {
[window_ setTitle:base::SysUTF8ToNSString(title)];
}
std::string NativeWindowMac::GetTitle() {
return base::SysNSStringToUTF8([window_ title]);
}
void NativeWindowMac::FlashFrame(bool flash) {
if (flash) {
attention_request_id_ = [NSApp requestUserAttention:NSInformationalRequest];
} else {
[NSApp cancelUserAttentionRequest:attention_request_id_];
attention_request_id_ = 0;
}
}
void NativeWindowMac::SetSkipTaskbar(bool skip) {}
bool NativeWindowMac::IsExcludedFromShownWindowsMenu() {
NSWindow* window = GetNativeWindow().GetNativeNSWindow();
return [window isExcludedFromWindowsMenu];
}
void NativeWindowMac::SetExcludedFromShownWindowsMenu(bool excluded) {
NSWindow* window = GetNativeWindow().GetNativeNSWindow();
[window setExcludedFromWindowsMenu:excluded];
}
void NativeWindowMac::OnDisplayMetricsChanged(const display::Display& display,
uint32_t changed_metrics) {
// We only want to force screen recalibration if we're in simpleFullscreen
// mode.
if (!is_simple_fullscreen_)
return;
base::PostTask(FROM_HERE, {content::BrowserThread::UI},
base::BindOnce(&NativeWindow::UpdateFrame, GetWeakPtr()));
}
void NativeWindowMac::SetSimpleFullScreen(bool simple_fullscreen) {
NSWindow* window = GetNativeWindow().GetNativeNSWindow();
if (simple_fullscreen && !is_simple_fullscreen_) {
is_simple_fullscreen_ = true;
// Take note of the current window size and level
if (IsNormal()) {
original_frame_ = [window_ frame];
original_level_ = [window_ level];
}
simple_fullscreen_options_ = [NSApp currentSystemPresentationOptions];
simple_fullscreen_mask_ = [window styleMask];
// We can simulate the pre-Lion fullscreen by auto-hiding the dock and menu
// bar
NSApplicationPresentationOptions options =
NSApplicationPresentationAutoHideDock |
NSApplicationPresentationAutoHideMenuBar;
[NSApp setPresentationOptions:options];
was_maximizable_ = IsMaximizable();
was_movable_ = IsMovable();
NSRect fullscreenFrame = [window.screen frame];
// If our app has dock hidden, set the window level higher so another app's
// menu bar doesn't appear on top of our fullscreen app.
if ([[NSRunningApplication currentApplication] activationPolicy] !=
NSApplicationActivationPolicyRegular) {
window.level = NSPopUpMenuWindowLevel;
}
if (!window_button_visibility_.has_value()) {
// Lets keep previous behaviour - hide window controls in titled
// fullscreen mode when not specified otherwise.
InternalSetWindowButtonVisibility(false);
}
[window setFrame:fullscreenFrame display:YES animate:YES];
// Fullscreen windows can't be resized, minimized, maximized, or moved
SetMinimizable(false);