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cef/tests/cefclient/browser/views_window.cc

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// Copyright (c) 2016 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license that
// can be found in the LICENSE file.
#include "tests/cefclient/browser/views_window.h"
#include <algorithm>
#include "include/base/cef_build.h"
#include "include/base/cef_callback.h"
#include "include/cef_app.h"
#include "include/cef_i18n_util.h"
#include "include/views/cef_box_layout.h"
#include "include/wrapper/cef_helpers.h"
#include "tests/cefclient/browser/main_context.h"
#include "tests/cefclient/browser/resource.h"
#include "tests/cefclient/browser/views_style.h"
#include "tests/shared/common/client_switches.h"
#if !defined(OS_WIN)
#define VK_ESCAPE 0x1B
#define VK_RETURN 0x0D
#define VK_MENU 0x12 // ALT key.
#endif
namespace client {
namespace {
// Default window size.
constexpr int kDefaultWidth = 800;
constexpr int kDefaultHeight = 600;
#if defined(OS_MAC)
constexpr int kTitleBarHeight = 35;
constexpr int kWindowButtonsWidth = 80;
#endif
// Control IDs for Views in the top-level Window.
enum ControlIds {
ID_WINDOW = 1,
ID_BROWSER_VIEW,
ID_BACK_BUTTON,
ID_FORWARD_BUTTON,
ID_STOP_BUTTON,
ID_RELOAD_BUTTON,
ID_URL_TEXTFIELD,
ID_MENU_BUTTON,
// Reserved range of top menu button IDs.
ID_TOP_MENU_FIRST,
ID_TOP_MENU_LAST = ID_TOP_MENU_FIRST + 10,
};
typedef std::vector<CefRefPtr<CefLabelButton>> LabelButtons;
// Make all |buttons| the same size.
void MakeButtonsSameSize(const LabelButtons& buttons) {
CefSize size;
// Determine the largest button size.
for (const auto& button : buttons) {
const CefSize& button_size = button->GetPreferredSize();
if (size.width < button_size.width) {
size.width = button_size.width;
}
if (size.height < button_size.height) {
size.height = button_size.height;
}
}
for (const auto& button : buttons) {
// Set the button's minimum size.
button->SetMinimumSize(size);
// Re-layout the button and all parent Views.
button->InvalidateLayout();
}
}
void AddTestMenuItems(CefRefPtr<CefMenuModel> test_menu) {
test_menu->AddItem(ID_TESTS_GETSOURCE, "Get Source");
test_menu->AddItem(ID_TESTS_GETTEXT, "Get Text");
test_menu->AddItem(ID_TESTS_WINDOW_NEW, "New Window");
test_menu->AddItem(ID_TESTS_WINDOW_POPUP, "Popup Window");
test_menu->AddItem(ID_TESTS_WINDOW_DIALOG, "Dialog Window");
test_menu->AddItem(ID_TESTS_REQUEST, "Request");
test_menu->AddItem(ID_TESTS_ZOOM_IN, "Zoom In");
test_menu->AddItem(ID_TESTS_ZOOM_OUT, "Zoom Out");
test_menu->AddItem(ID_TESTS_ZOOM_RESET, "Zoom Reset");
test_menu->AddItem(ID_TESTS_TRACING_BEGIN, "Begin Tracing");
test_menu->AddItem(ID_TESTS_TRACING_END, "End Tracing");
test_menu->AddItem(ID_TESTS_PRINT, "Print");
test_menu->AddItem(ID_TESTS_PRINT_TO_PDF, "Print to PDF");
test_menu->AddItem(ID_TESTS_MUTE_AUDIO, "Mute Audio");
test_menu->AddItem(ID_TESTS_UNMUTE_AUDIO, "Unmute Audio");
test_menu->AddItem(ID_TESTS_OTHER_TESTS, "Other Tests");
test_menu->AddItem(ID_TESTS_DUMP_WITHOUT_CRASHING, "Dump without crashing");
}
void AddFileMenuItems(CefRefPtr<CefMenuModel> file_menu) {
file_menu->AddItem(ID_QUIT, "E&xit");
// Show the accelerator shortcut text in the menu.
file_menu->SetAcceleratorAt(file_menu->GetCount() - 1, 'X', false, false,
true);
}
CefBrowserViewDelegate::ChromeToolbarType CalculateChromeToolbarType(
bool use_alloy_style,
const std::string& toolbar_type,
bool hide_toolbar,
bool with_overlay_controls) {
if (use_alloy_style || toolbar_type == "none" || hide_toolbar) {
return CEF_CTT_NONE;
}
if (toolbar_type == "location") {
return CEF_CTT_LOCATION;
}
return with_overlay_controls ? CEF_CTT_LOCATION : CEF_CTT_NORMAL;
}
void SetViewEnabled(CefRefPtr<CefWindow> window, int id, bool enable) {
if (auto view = window->GetViewForID(id)) {
view->SetEnabled(enable);
}
}
} // namespace
// static
CefRefPtr<ViewsWindow> ViewsWindow::Create(
WindowType type,
Delegate* delegate,
CefRefPtr<CefClient> client,
const CefString& url,
const CefBrowserSettings& settings,
CefRefPtr<CefRequestContext> request_context,
CefRefPtr<CefCommandLine> command_line) {
CEF_REQUIRE_UI_THREAD();
DCHECK(delegate);
// Create a new ViewsWindow.
CefRefPtr<ViewsWindow> views_window =
new ViewsWindow(type, delegate, nullptr, command_line);
const auto expected_browser_runtime_style = views_window->use_alloy_style_
? CEF_RUNTIME_STYLE_ALLOY
: CEF_RUNTIME_STYLE_CHROME;
const auto expected_window_runtime_style =
views_window->use_alloy_style_window_ ? CEF_RUNTIME_STYLE_ALLOY
: CEF_RUNTIME_STYLE_CHROME;
// Create a new BrowserView.
CefRefPtr<CefBrowserView> browser_view = CefBrowserView::CreateBrowserView(
client, url, settings, nullptr, request_context, views_window);
CHECK_EQ(expected_browser_runtime_style, browser_view->GetRuntimeStyle());
// Associate the BrowserView with the ViewsWindow.
views_window->SetBrowserView(browser_view);
// Create a new top-level Window. It will show itself after creation.
auto window = CefWindow::CreateTopLevelWindow(views_window);
CHECK_EQ(expected_window_runtime_style, window->GetRuntimeStyle());
return views_window;
}
void ViewsWindow::Show() {
CEF_REQUIRE_UI_THREAD();
if (window_) {
if (type_ == WindowType::DIALOG) {
if (use_window_modal_dialog_) {
// Show as a window modal dialog (IsWindowModalDialog() will return
// true).
window_->Show();
} else {
CefRefPtr<CefBrowserView> browser_view;
if (auto parent_window = delegate_->GetParentWindow()) {
if (auto view = parent_window->GetViewForID(ID_BROWSER_VIEW)) {
browser_view = view->AsBrowserView();
}
}
CHECK(browser_view);
// Show as a browser modal dialog (relative to |browser_view|).
window_->ShowAsBrowserModalDialog(browser_view);
}
} else {
window_->Show();
}
}
if (browser_view_ && !window_->IsMinimized()) {
// Give keyboard focus to the BrowserView.
browser_view_->RequestFocus();
}
}
void ViewsWindow::Hide() {
CEF_REQUIRE_UI_THREAD();
if (window_) {
window_->Hide();
}
}
void ViewsWindow::Minimize() {
CEF_REQUIRE_UI_THREAD();
if (window_) {
window_->Minimize();
}
}
void ViewsWindow::Maximize() {
CEF_REQUIRE_UI_THREAD();
if (window_) {
window_->Maximize();
}
}
void ViewsWindow::SetBounds(const CefRect& bounds) {
CEF_REQUIRE_UI_THREAD();
if (window_) {
window_->SetBounds(bounds);
}
}
void ViewsWindow::SetBrowserSize(const CefSize& size,
bool has_position,
const CefPoint& position) {
CEF_REQUIRE_UI_THREAD();
if (browser_view_) {
browser_view_->SetSize(size);
}
if (window_) {
window_->SizeToPreferredSize();
if (has_position) {
window_->SetPosition(position);
}
}
}
void ViewsWindow::Close(bool force) {
CEF_REQUIRE_UI_THREAD();
if (!browser_view_) {
return;
}
#if defined(OS_MAC)
if (hide_on_close_) {
// Don't hide on close if we actually want to close.
hide_on_close_ = false;
}
#endif
CefRefPtr<CefBrowser> browser = browser_view_->GetBrowser();
if (browser) {
// This will result in a call to CefWindow::Close() which will then call
// ViewsWindow::CanClose().
browser->GetHost()->CloseBrowser(force);
}
}
void ViewsWindow::SetAddress(const std::string& url) {
CEF_REQUIRE_UI_THREAD();
if (!window_) {
return;
}
// |location_bar_| may instead be a Chrome toolbar.
if (location_bar_ && location_bar_->AsTextfield()) {
location_bar_->AsTextfield()->SetText(url);
}
}
void ViewsWindow::SetTitle(const std::string& title) {
CEF_REQUIRE_UI_THREAD();
if (window_) {
window_->SetTitle(title);
}
}
void ViewsWindow::SetFavicon(CefRefPtr<CefImage> image) {
CEF_REQUIRE_UI_THREAD();
// Window icons should be 16 DIP in size.
DCHECK_EQ(std::max(image->GetWidth(), image->GetHeight()), 16U);
if (window_) {
window_->SetWindowIcon(image);
}
}
void ViewsWindow::SetFullscreen(bool fullscreen) {
CEF_REQUIRE_UI_THREAD();
// For Chrome style we ignore this notification from
// ClientHandler::OnFullscreenModeChange(). Chrome style will trigger
// the fullscreen change internally and then call
// OnWindowFullscreenTransition().
if (!use_alloy_style_) {
return;
}
// For Alloy style we need to explicitly trigger the fullscreen change.
if (window_) {
// Results in a call to OnWindowFullscreenTransition().
window_->SetFullscreen(fullscreen);
}
}
void ViewsWindow::SetAlwaysOnTop(bool on_top) {
CEF_REQUIRE_UI_THREAD();
if (window_) {
window_->SetAlwaysOnTop(on_top);
}
}
void ViewsWindow::SetLoadingState(bool isLoading,
bool canGoBack,
bool canGoForward) {
CEF_REQUIRE_UI_THREAD();
is_loading_ = isLoading;
can_go_back_ = canGoBack;
can_go_forward_ = canGoForward;
if (!window_ || chrome_toolbar_type_ == CEF_CTT_NORMAL) {
return;
}
// |toolbar_| may be nullptr for the initial notification after CefBrowser
// creation, in which case the initial state will be appled in AddControls.
if (with_controls_ && toolbar_) {
UpdateToolbarButtonState();
}
}
void ViewsWindow::SetDraggableRegions(
const std::vector<CefDraggableRegion>& regions) {
CEF_REQUIRE_UI_THREAD();
if (!window_ || !browser_view_) {
return;
}
// Convert the regions from BrowserView to Window coordinates.
std::vector<CefDraggableRegion> window_regions = regions;
for (auto& region : window_regions) {
CefPoint origin = CefPoint(region.bounds.x, region.bounds.y);
browser_view_->ConvertPointToWindow(origin);
region.bounds.x = origin.x;
region.bounds.y = origin.y;
}
if (overlay_controls_) {
// Exclude all regions obscured by overlays.
overlay_controls_->UpdateDraggableRegions(window_regions);
}
window_->SetDraggableRegions(window_regions);
}
void ViewsWindow::TakeFocus(bool next) {
CEF_REQUIRE_UI_THREAD();
if (!window_) {
return;
}
if (chrome_toolbar_type_ == CEF_CTT_NORMAL) {
toolbar_->RequestFocus();
} else if (location_bar_) {
// Give focus to the location bar.
location_bar_->RequestFocus();
}
}
void ViewsWindow::OnBeforeContextMenu(CefRefPtr<CefMenuModel> model) {
CEF_REQUIRE_UI_THREAD();
views_style::ApplyTo(model);
}
// static
bool ViewsWindow::SupportsWindowRestore(WindowType type) {
// Only support window restore with normal windows.
return type == WindowType::NORMAL;
}
bool ViewsWindow::SupportsWindowRestore() const {
return SupportsWindowRestore(type_);
}
bool ViewsWindow::GetWindowRestorePreferences(
cef_show_state_t& show_state,
std::optional<CefRect>& dip_bounds) {
CEF_REQUIRE_UI_THREAD();
DCHECK(SupportsWindowRestore());
if (!window_) {
return false;
}
show_state = CEF_SHOW_STATE_NORMAL;
if (window_->IsMinimized()) {
show_state = CEF_SHOW_STATE_MINIMIZED;
} else if (window_->IsFullscreen()) {
// On MacOS, IsMaximized() will also return true for fullscreen, so check
// IsFullscreen() first.
show_state = CEF_SHOW_STATE_FULLSCREEN;
} else if (window_->IsMaximized()) {
show_state = CEF_SHOW_STATE_MAXIMIZED;
}
if (show_state == CEF_SHOW_STATE_NORMAL) {
// Use the current visible bounds.
dip_bounds = window_->GetBoundsInScreen();
} else {
// Use the last known visible bounds.
dip_bounds = last_visible_bounds_;
}
return true;
}
void ViewsWindow::SetTitlebarHeight(const std::optional<float>& height) {
CEF_REQUIRE_UI_THREAD();
if (height.has_value()) {
override_titlebar_height_ = height;
} else {
override_titlebar_height_ = default_titlebar_height_;
}
NudgeWindow();
}
CefRefPtr<CefBrowserViewDelegate> ViewsWindow::GetDelegateForPopupBrowserView(
CefRefPtr<CefBrowserView> browser_view,
const CefBrowserSettings& settings,
CefRefPtr<CefClient> client,
bool is_devtools) {
CEF_REQUIRE_UI_THREAD();
// The popup browser client is created in CefLifeSpanHandler::OnBeforePopup()
// (e.g. via RootWindowViews::InitAsPopup()). The Delegate (RootWindowViews)
// knows the association between |client| and itself.
Delegate* popup_delegate = delegate_->GetDelegateForPopup(client);
// May be nullptr when using the default popup behavior.
if (!popup_delegate) {
return nullptr;
}
// Should not be the same RootWindowViews that owns |this|.
DCHECK(popup_delegate != delegate_);
// Create a new ViewsWindow for the popup BrowserView.
return new ViewsWindow(
is_devtools ? WindowType::DEVTOOLS : WindowType::NORMAL, popup_delegate,
nullptr, command_line_);
}
bool ViewsWindow::OnPopupBrowserViewCreated(
CefRefPtr<CefBrowserView> browser_view,
CefRefPtr<CefBrowserView> popup_browser_view,
bool is_devtools) {
CEF_REQUIRE_UI_THREAD();
// Retrieve the ViewsWindow created in GetDelegateForPopupBrowserView.
CefRefPtr<ViewsWindow> popup_window =
static_cast<ViewsWindow*>(static_cast<CefBrowserViewDelegate*>(
popup_browser_view->GetDelegate().get()));
// May be nullptr when using the default popup behavior.
if (!popup_window) {
return false;
}
// Should not be the same ViewsWindow as |this|.
DCHECK(popup_window != this);
// Associate the ViewsWindow with the new popup browser.
popup_window->SetBrowserView(popup_browser_view);
// Create a new top-level Window for the popup. It will show itself after
// creation.
CefWindow::CreateTopLevelWindow(popup_window);
// We created the Window.
return true;
}
CefBrowserViewDelegate::ChromeToolbarType ViewsWindow::GetChromeToolbarType(
CefRefPtr<CefBrowserView> browser_view) {
return chrome_toolbar_type_;
}
bool ViewsWindow::UseFramelessWindowForPictureInPicture(
CefRefPtr<CefBrowserView> browser_view) {
return hide_pip_frame_;
}
cef_runtime_style_t ViewsWindow::GetBrowserRuntimeStyle() {
if (use_alloy_style_) {
return CEF_RUNTIME_STYLE_ALLOY;
}
return CEF_RUNTIME_STYLE_DEFAULT;
}
void ViewsWindow::OnButtonPressed(CefRefPtr<CefButton> button) {
CEF_REQUIRE_UI_THREAD();
DCHECK(with_controls_);
if (!browser_view_) {
return;
}
CefRefPtr<CefBrowser> browser = browser_view_->GetBrowser();
if (!browser) {
return;
}
switch (button->GetID()) {
case ID_BACK_BUTTON:
browser->GoBack();
break;
case ID_FORWARD_BUTTON:
browser->GoForward();
break;
case ID_STOP_BUTTON:
browser->StopLoad();
break;
case ID_RELOAD_BUTTON:
browser->Reload();
break;
case ID_MENU_BUTTON:
break;
default:
NOTREACHED();
break;
}
}
void ViewsWindow::OnMenuButtonPressed(
CefRefPtr<CefMenuButton> menu_button,
const CefPoint& screen_point,
CefRefPtr<CefMenuButtonPressedLock> button_pressed_lock) {
CEF_REQUIRE_UI_THREAD();
DCHECK(with_controls_ || with_overlay_controls_);
DCHECK_EQ(ID_MENU_BUTTON, menu_button->GetID());
const auto button_bounds = menu_button->GetBoundsInScreen();
auto point = screen_point;
if (with_overlay_controls_) {
// Align the menu correctly under the button.
if (CefIsRTL()) {
point.x += button_bounds.width - 4;
} else {
point.x -= button_bounds.width - 4;
}
}
if (use_bottom_controls_) {
const auto display_bounds =
menu_button->GetWindow()->GetDisplay()->GetWorkArea();
const int available_height = display_bounds.y + display_bounds.height -
button_bounds.y - button_bounds.height;
// Approximation of the menu height.
const int menu_height =
static_cast<int>(button_menu_model_->GetCount()) * button_bounds.height;
if (menu_height > available_height) {
// The menu will go upwards, so place it above the button.
point.y -= button_bounds.height - 8;
}
}
menu_button->ShowMenu(button_menu_model_, point,
with_overlay_controls_ ? CEF_MENU_ANCHOR_TOPLEFT
: CEF_MENU_ANCHOR_TOPRIGHT);
}
void ViewsWindow::ExecuteCommand(CefRefPtr<CefMenuModel> menu_model,
int command_id,
cef_event_flags_t event_flags) {
CEF_REQUIRE_UI_THREAD();
DCHECK(with_controls_ || with_overlay_controls_);
if (command_id == ID_QUIT) {
delegate_->OnExit();
} else if (command_id >= ID_TESTS_FIRST && command_id <= ID_TESTS_LAST) {
delegate_->OnTest(command_id);
} else {
NOTREACHED();
}
}
bool ViewsWindow::OnKeyEvent(CefRefPtr<CefTextfield> textfield,
const CefKeyEvent& event) {
CEF_REQUIRE_UI_THREAD();
DCHECK_EQ(ID_URL_TEXTFIELD, textfield->GetID());
// Trigger when the return key is pressed.
if (window_ && browser_view_ && event.type == KEYEVENT_RAWKEYDOWN &&
event.windows_key_code == VK_RETURN) {
CefRefPtr<CefBrowser> browser = browser_view_->GetBrowser();
if (browser) {
const CefString& url = textfield->GetText();
if (!url.empty()) {
browser->GetMainFrame()->LoadURL(url);
}
}
// We handled the event.
return true;
}
return false;
}
void ViewsWindow::OnWindowFullscreenTransition(CefRefPtr<CefWindow> window,
bool is_completed) {
#if defined(OS_MAC)
// On MacOS we get two asynchronous callbacks, and we want to change the UI on
// |is_completed=false| (e.g. when the fullscreen transition begins).
const bool should_change = !is_completed;
#else
// On other platforms we only get a single synchronous callback with
// |is_completed=true|.
DCHECK(is_completed);
const bool should_change = true;
#endif
// Hide the top controls while in fullscreen mode.
if (should_change && with_controls_) {
ShowTopControls(!window->IsFullscreen());
}
// With Alloy style we need to explicitly exit browser fullscreen when
// exiting window fullscreen. Chrome style handles this internally.
if (use_alloy_style_ && should_change && !window->IsFullscreen()) {
CefRefPtr<CefBrowser> browser = browser_view_->GetBrowser();
if (browser && browser->GetHost()->IsFullscreen()) {
// Will not cause a resize because the fullscreen transition has already
// begun.
browser->GetHost()->ExitFullscreen(/*will_cause_resize=*/false);
}
}
#if defined(OS_MAC)
// Continue hide logic from CanClose.
if (is_completed && hide_after_fullscreen_exit_) {
hide_after_fullscreen_exit_ = false;
window->Hide();
}
#endif
}
void ViewsWindow::OnThemeColorsChanged(CefRefPtr<CefWindow> window,
bool chrome_theme) {
// Apply color overrides to the current theme.
views_style::ApplyTo(window);
}
cef_runtime_style_t ViewsWindow::GetWindowRuntimeStyle() {
if (use_alloy_style_window_) {
return CEF_RUNTIME_STYLE_ALLOY;
}
return CEF_RUNTIME_STYLE_DEFAULT;
}
#if defined(OS_LINUX)
bool ViewsWindow::GetLinuxWindowProperties(
CefRefPtr<CefWindow> window,
CefLinuxWindowProperties& properties) {
CefString(&properties.wayland_app_id) =
CefString(&properties.wm_class_class) =
CefString(&properties.wm_class_name) =
CefString(&properties.wm_role_name) = "cef";
return true;
}
#endif
void ViewsWindow::OnWindowCreated(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
DCHECK(browser_view_);
DCHECK(!window_);
DCHECK(window);
window_ = window;
window_->SetID(ID_WINDOW);
// Apply color overrides to the current native/OS theme. This is only
// necessary until the CefBrowserView is added to the CefWindow, at which time
// the Chrome theme will be applied (triggering a call to OnThemeColorsChanged
// with |chrome_theme=true|).
views_style::ApplyTo(window_);
window_->ThemeChanged();
delegate_->OnViewsWindowCreated(this);
if (type_ == WindowType::NORMAL || type_ == WindowType::DEVTOOLS) {
const CefRect bounds = delegate_->GetInitialBounds();
if (bounds.IsEmpty()) {
// Size the Window and center it at the default size.
window_->CenterWindow(CefSize(kDefaultWidth, kDefaultHeight));
} else if (SupportsWindowRestore()) {
// Remember the bounds from the previous application run in case the user
// does not move or resize the window during this application run.
last_visible_bounds_ = bounds;
}
}
if (with_controls_ || with_overlay_controls_) {
// Create the MenuModel that will be displayed via the menu button.
CreateMenuModel();
}
if (with_controls_) {
// Add the BrowserView to the Window. Other controls will be added after the
// BrowserView is added.
AddBrowserView();
// Add keyboard accelerators to the Window.
AddAccelerators();
// Hide the top controls while in full-screen mode.
if (delegate_->GetInitialShowState() == CEF_SHOW_STATE_FULLSCREEN) {
ShowTopControls(false);
}
} else {
// Add the BrowserView as the only child of the Window.
window_->AddChildView(browser_view_);
// Choose a reasonable minimum window size.
minimum_window_size_ = CefSize(100, 100);
}
if (!delegate_->InitiallyHidden()) {
// Show the Window.
Show();
}
}
void ViewsWindow::OnWindowClosing(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
DCHECK(window_);
delegate_->OnViewsWindowClosing(this);
}
void ViewsWindow::OnWindowDestroyed(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
DCHECK(window_);
delegate_->OnViewsWindowDestroyed(this);
browser_view_ = nullptr;
button_menu_model_ = nullptr;
if (menu_bar_) {
menu_bar_->Reset();
menu_bar_ = nullptr;
}
menu_button_ = nullptr;
window_ = nullptr;
}
void ViewsWindow::OnWindowActivationChanged(CefRefPtr<CefWindow> window,
bool active) {
if (!active) {
return;
}
delegate_->OnViewsWindowActivated(this);
}
void ViewsWindow::OnWindowBoundsChanged(CefRefPtr<CefWindow> window,
const CefRect& new_bounds) {
if (SupportsWindowRestore() && !window->IsMinimized() &&
!window->IsMaximized() && !window->IsFullscreen()) {
// Track the last visible bounds for window restore purposes.
last_visible_bounds_ = new_bounds;
}
#if defined(OS_MAC)
if (frameless_ && with_standard_buttons_ && toolbar_) {
auto insets = toolbar_->GetInsets();
insets.left = window->IsFullscreen() ? 0 : kWindowButtonsWidth;
toolbar_->SetInsets(insets);
}
#endif
}
bool ViewsWindow::CanClose(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
#if defined(OS_MAC)
// On MacOS we might hide the window instead of closing it.
if (hide_on_close_) {
if (window->IsFullscreen()) {
// Need to exit fullscreen mode before hiding the window.
// Execution continues in OnWindowFullscreenTransition.
hide_after_fullscreen_exit_ = true;
window->SetFullscreen(false);
} else {
window->Hide();
}
return false;
}
#endif
// Allow the window to close if the browser says it's OK.
CefRefPtr<CefBrowser> browser = browser_view_->GetBrowser();
if (browser) {
return browser->GetHost()->TryCloseBrowser();
}
return true;
}
CefRefPtr<CefWindow> ViewsWindow::GetParentWindow(CefRefPtr<CefWindow> window,
bool* is_menu,
bool* can_activate_menu) {
CEF_REQUIRE_UI_THREAD();
return delegate_->GetParentWindow();
}
bool ViewsWindow::IsWindowModalDialog(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
DCHECK(delegate_->GetParentWindow());
return use_window_modal_dialog_;
}
CefRect ViewsWindow::GetInitialBounds(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
const CefRect bounds = delegate_->GetInitialBounds();
if (frameless_ && bounds.IsEmpty()) {
// Need to provide a size for frameless windows that will be centered.
return CefRect(0, 0, kDefaultWidth, kDefaultHeight);
}
return bounds;
}
cef_show_state_t ViewsWindow::GetInitialShowState(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
return delegate_->GetInitialShowState();
}
bool ViewsWindow::IsFrameless(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
return frameless_;
}
bool ViewsWindow::WithStandardWindowButtons(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
return with_standard_buttons_;
}
bool ViewsWindow::GetTitlebarHeight(CefRefPtr<CefWindow> window,
float* titlebar_height) {
CEF_REQUIRE_UI_THREAD();
#if defined(OS_MAC)
if (override_titlebar_height_.has_value()) {
*titlebar_height = override_titlebar_height_.value();
return true;
}
#endif
return false;
}
cef_state_t ViewsWindow::AcceptsFirstMouse(CefRefPtr<CefWindow> window) {
if (accepts_first_mouse_) {
return STATE_ENABLED;
}
return STATE_DEFAULT;
}
bool ViewsWindow::CanResize(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
// Only allow resize of normal and DevTools windows.
return type_ == WindowType::NORMAL || type_ == WindowType::DEVTOOLS;
}
bool ViewsWindow::CanMaximize(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
return CanResize(window);
}
bool ViewsWindow::CanMinimize(CefRefPtr<CefWindow> window) {
CEF_REQUIRE_UI_THREAD();
return CanResize(window);
}
bool ViewsWindow::OnAccelerator(CefRefPtr<CefWindow> window, int command_id) {
CEF_REQUIRE_UI_THREAD();
if (command_id == ID_QUIT) {
delegate_->OnExit();
return true;
}
return false;
}
bool ViewsWindow::OnKeyEvent(CefRefPtr<CefWindow> window,
const CefKeyEvent& event) {
CEF_REQUIRE_UI_THREAD();
if (!window_ || !with_controls_) {
return false;
}
if (event.type == KEYEVENT_RAWKEYDOWN && event.windows_key_code == VK_MENU) {
// ALT key is pressed.
int last_focused_view = last_focused_view_;
bool menu_had_focus = menu_has_focus_;
// Toggle menu button focusable.
SetMenuFocusable(!menu_has_focus_);
if (menu_had_focus && last_focused_view != 0) {
// Restore focus to the view that was previously focused.
window_->GetViewForID(last_focused_view)->RequestFocus();
}
return true;
}
if (menu_has_focus_ && menu_bar_) {
return menu_bar_->OnKeyEvent(event);
}
return false;
}
CefSize ViewsWindow::GetPreferredSize(CefRefPtr<CefView> view) {
CEF_REQUIRE_UI_THREAD();
if (view->GetID() == ID_WINDOW && type_ == WindowType::DIALOG) {
// Preferred size for a browser modal dialog. The dialog will be shrunk to
// fit inside the parent browser view if necessary.
return CefSize(kDefaultWidth, kDefaultHeight);
}
return CefSize();
}
CefSize ViewsWindow::GetMinimumSize(CefRefPtr<CefView> view) {
CEF_REQUIRE_UI_THREAD();
if (view->GetID() == ID_WINDOW) {
return minimum_window_size_;
}
return CefSize();
}
void ViewsWindow::OnFocus(CefRefPtr<CefView> view) {
CEF_REQUIRE_UI_THREAD();
const int view_id = view->GetID();
// Keep track of the non-menu view that was last focused.
if (last_focused_view_ != view_id &&
(!menu_bar_ || !menu_bar_->HasMenuId(view_id))) {
last_focused_view_ = view_id;
}
// When focus leaves the menu buttons make them unfocusable.
if (menu_has_focus_) {
if (menu_bar_) {
if (!menu_bar_->HasMenuId(view_id)) {
SetMenuFocusable(false);
}
} else if (view_id != ID_MENU_BUTTON) {
SetMenuFocusable(false);
}
}
}
void ViewsWindow::OnWindowChanged(CefRefPtr<CefView> view, bool added) {
const int view_id = view->GetID();
if (view_id != ID_BROWSER_VIEW) {
return;
}
if (added) {
if (with_controls_) {
AddControls();
}
if (with_overlay_controls_) {
// Add window buttons if we don't have standard ones
const bool with_window_buttons = !with_standard_buttons_;
overlay_controls_ =
new ViewsOverlayControls(with_window_buttons, use_bottom_controls_);
overlay_controls_->Initialize(window_, CreateMenuButton(),
CreateLocationBar(),
chrome_toolbar_type_ != CEF_CTT_NONE);
}
} else {
// Remove any controls that may include the Chrome toolbar before removing
// the BrowserView.
if (overlay_controls_) {
overlay_controls_->Destroy();
overlay_controls_ = nullptr;
location_bar_ = nullptr;
} else if (use_bottom_controls_) {
if (toolbar_) {
window_->RemoveChildView(toolbar_);
toolbar_ = nullptr;
location_bar_ = nullptr;
}
}
}
}
void ViewsWindow::OnLayoutChanged(CefRefPtr<CefView> view,
const CefRect& new_bounds) {
const int view_id = view->GetID();
if (view_id != ID_BROWSER_VIEW) {
return;
}
if (overlay_controls_) {
overlay_controls_->UpdateControls();
}
}
void ViewsWindow::OnThemeChanged(CefRefPtr<CefView> view) {
// Apply colors when the theme changes.
views_style::OnThemeChanged(view);
}
void ViewsWindow::MenuBarExecuteCommand(CefRefPtr<CefMenuModel> menu_model,
int command_id,
cef_event_flags_t event_flags) {
ExecuteCommand(menu_model, command_id, event_flags);
}
ViewsWindow::ViewsWindow(WindowType type,
Delegate* delegate,
CefRefPtr<CefBrowserView> browser_view,
CefRefPtr<CefCommandLine> command_line)
: type_(type),
delegate_(delegate),
use_alloy_style_(delegate->UseAlloyStyle()),
command_line_(command_line) {
DCHECK(delegate_);
if (browser_view) {
SetBrowserView(browser_view);
}
use_alloy_style_window_ =
use_alloy_style_ &&
!command_line_->HasSwitch(switches::kUseChromeStyleWindow);
const bool is_normal_type = type_ == WindowType::NORMAL;
with_controls_ = is_normal_type && delegate_->WithControls();
const bool hide_frame = command_line->HasSwitch(switches::kHideFrame);
const bool hide_overlays =
!is_normal_type || command_line->HasSwitch(switches::kHideOverlays);
const bool hide_toolbar = hide_overlays && !with_controls_;
const bool show_window_buttons =
command_line->HasSwitch(switches::kShowWindowButtons);
accepts_first_mouse_ = command_line->HasSwitch(switches::kAcceptsFirstMouse);
// Without a window frame.
frameless_ = hide_frame;
// With an overlay that mimics window controls.
with_overlay_controls_ = hide_frame && !hide_overlays && !with_controls_;
// If window has frame or flag passed explicitly
with_standard_buttons_ = !frameless_ || show_window_buttons;
#if defined(OS_MAC)
if (frameless_ && with_standard_buttons_) {
default_titlebar_height_ = kTitleBarHeight;
override_titlebar_height_ = kTitleBarHeight;
}
hide_on_close_ = command_line->HasSwitch(switches::kHideWindowOnClose);
#endif
const std::string& toolbar_type =
command_line->GetSwitchValue(switches::kShowChromeToolbar);
chrome_toolbar_type_ = CalculateChromeToolbarType(
use_alloy_style_, toolbar_type, hide_toolbar, with_overlay_controls_);
use_bottom_controls_ = command_line->HasSwitch(switches::kUseBottomControls);
#if !defined(OS_MAC)
// On Mac we don't show a top menu on the window. The options are available in
// the app menu instead.
if (!command_line->HasSwitch(switches::kHideTopMenu)) {
menu_bar_ = new ViewsMenuBar(this, ID_TOP_MENU_FIRST, use_bottom_controls_);
}
#endif
use_window_modal_dialog_ =
command_line->HasSwitch(switches::kUseWindowModalDialog);
hide_pip_frame_ = command_line->HasSwitch(switches::kHidePipFrame);
}
void ViewsWindow::SetBrowserView(CefRefPtr<CefBrowserView> browser_view) {
DCHECK(!browser_view_);
DCHECK(browser_view);
DCHECK(browser_view->IsValid());
DCHECK(!browser_view->IsAttached());
browser_view_ = browser_view;
browser_view_->SetID(ID_BROWSER_VIEW);
}
void ViewsWindow::CreateMenuModel() {
// Create the menu button model.
button_menu_model_ = CefMenuModel::CreateMenuModel(this);
CefRefPtr<CefMenuModel> test_menu =
button_menu_model_->AddSubMenu(0, "&Tests");
views_style::ApplyTo(button_menu_model_);
AddTestMenuItems(test_menu);
AddFileMenuItems(button_menu_model_);
if (menu_bar_) {
// Add the menus to the top menu bar.
AddFileMenuItems(menu_bar_->CreateMenuModel("&File", nullptr));
AddTestMenuItems(menu_bar_->CreateMenuModel("&Tests", nullptr));
}
}
CefRefPtr<CefLabelButton> ViewsWindow::CreateBrowseButton(
const std::string& label,
int id) {
CefRefPtr<CefLabelButton> button =
CefLabelButton::CreateLabelButton(this, label);
button->SetID(id);
button->SetInkDropEnabled(true);
button->SetEnabled(false); // Disabled by default.
button->SetFocusable(false); // Don't give focus to the button.
return button;
}
CefRefPtr<CefMenuButton> ViewsWindow::CreateMenuButton() {
// Create the menu button.
DCHECK(!menu_button_);
menu_button_ = CefMenuButton::CreateMenuButton(this, CefString());
menu_button_->SetID(ID_MENU_BUTTON);
menu_button_->SetImage(
CEF_BUTTON_STATE_NORMAL,
delegate_->GetImageCache()->GetCachedImage("menu_icon"));
menu_button_->SetInkDropEnabled(true);
// Override the default minimum size.
menu_button_->SetMinimumSize(CefSize(0, 0));
return menu_button_;
}
CefRefPtr<CefView> ViewsWindow::CreateLocationBar() {
DCHECK(!location_bar_);
if (chrome_toolbar_type_ == CEF_CTT_LOCATION) {
// Chrome will provide a minimal location bar.
location_bar_ = browser_view_->GetChromeToolbar();
DCHECK(location_bar_);
}
if (!location_bar_) {
// Create the URL textfield.
CefRefPtr<CefTextfield> url_textfield = CefTextfield::CreateTextfield(this);
url_textfield->SetID(ID_URL_TEXTFIELD);
location_bar_ = url_textfield;
}
return location_bar_;
}
void ViewsWindow::AddBrowserView() {
// Use a vertical box layout for |window|.
CefBoxLayoutSettings window_layout_settings;
window_layout_settings.horizontal = false;
window_layout_settings.between_child_spacing = 2;
CefRefPtr<CefBoxLayout> window_layout =
window_->SetToBoxLayout(window_layout_settings);
window_->AddChildView(browser_view_);
// Allow |browser_view_| to grow and fill any remaining space.
window_layout->SetFlexForView(browser_view_, 1);
// Remaining setup will be performed in OnWindowChanged after the BrowserView
// is added to the CefWindow. This is necessary because Chrome toolbars are
// only available after the BrowserView is added.
}
void ViewsWindow::AddControls() {
// Build the remainder of the UI now that the BrowserView has been added to
// the CefWindow. This is a requirement to use Chrome toolbars.
CefRefPtr<CefPanel> menu_panel;
if (menu_bar_) {
menu_panel = menu_bar_->GetMenuPanel();
}
LabelButtons browse_buttons;
if (chrome_toolbar_type_ == CEF_CTT_NORMAL) {
// Chrome will provide a normal toolbar with location, menu, etc.
toolbar_ = browser_view_->GetChromeToolbar();
DCHECK(toolbar_);
}
if (!toolbar_) {
// Create the browse buttons.
browse_buttons.push_back(CreateBrowseButton("Back", ID_BACK_BUTTON));
browse_buttons.push_back(CreateBrowseButton("Forward", ID_FORWARD_BUTTON));
browse_buttons.push_back(CreateBrowseButton("Reload", ID_RELOAD_BUTTON));
browse_buttons.push_back(CreateBrowseButton("Stop", ID_STOP_BUTTON));
CreateLocationBar();
CreateMenuButton();
// Create the toolbar panel.
CefRefPtr<CefPanel> panel = CefPanel::CreatePanel(this);
// Use a horizontal box layout for |panel|.
CefBoxLayoutSettings panel_layout_settings;
panel_layout_settings.horizontal = true;
CefRefPtr<CefBoxLayout> panel_layout =
panel->SetToBoxLayout(panel_layout_settings);
// Add the buttons and URL textfield to |panel|.
for (auto& browse_button : browse_buttons) {
panel->AddChildView(browse_button);
}
panel->AddChildView(location_bar_);
panel->AddChildView(menu_button_);
// Allow |location| to grow and fill any remaining space.
panel_layout->SetFlexForView(location_bar_, 1);
toolbar_ = panel;
}
#if defined(OS_MAC)
if (frameless_ && with_standard_buttons_) {
auto insets = toolbar_->GetInsets();
insets.left = kWindowButtonsWidth;
toolbar_->SetInsets(insets);
}
#endif
if (use_bottom_controls_) {
// Add the panel at the bottom of |window|.
window_->AddChildView(toolbar_);
if (menu_panel) {
window_->AddChildView(menu_panel);
}
} else {
// Add the panel at the top of |window|.
int index = 0;
if (menu_panel) {
window_->AddChildViewAt(menu_panel, index++);
}
window_->AddChildViewAt(toolbar_, index);
}
// Lay out |window| so we can get the default button sizes.
window_->Layout();
int min_width = 200;
if (!browse_buttons.empty()) {
// Make all browse buttons the same size.
MakeButtonsSameSize(browse_buttons);
// Lay out |window| again with the new button sizes.
window_->Layout();
const int buttons_number = static_cast<int>(browse_buttons.size());
// Minimum window width is the size of all buttons plus some extra.
min_width = browse_buttons[0]->GetBounds().width * buttons_number +
menu_button_->GetBounds().width + 100;
}
// Minimum window height is the hight of the toolbar plus some extra.
int min_height = toolbar_->GetBounds().height + 100;
if (menu_panel) {
min_height += menu_panel->GetBounds().height;
}
minimum_window_size_ = CefSize(min_width, min_height);
// Apply the state that we may have missed when SetLoadingState was called
// initially.
UpdateToolbarButtonState();
}
void ViewsWindow::AddAccelerators() {
// Specify the accelerators to handle. OnAccelerator will be called when the
// accelerator is triggered.
window_->SetAccelerator(ID_QUIT, 'X', /*shift_pressed=*/false,
/*ctrl_pressed=*/false, /*alt_pressed=*/true,
/*high_priority=*/true);
}
void ViewsWindow::SetMenuFocusable(bool focusable) {
if (!window_ || !with_controls_) {
return;
}
if (menu_bar_) {
menu_bar_->SetMenuFocusable(focusable);
} else {
window_->GetViewForID(ID_MENU_BUTTON)->SetFocusable(focusable);
if (focusable) {
// Give focus to menu button.
window_->GetViewForID(ID_MENU_BUTTON)->RequestFocus();
}
}
menu_has_focus_ = focusable;
}
void ViewsWindow::UpdateToolbarButtonState() {
SetViewEnabled(window_, ID_BACK_BUTTON, can_go_back_);
SetViewEnabled(window_, ID_FORWARD_BUTTON, can_go_forward_);
SetViewEnabled(window_, ID_RELOAD_BUTTON, !is_loading_);
SetViewEnabled(window_, ID_STOP_BUTTON, is_loading_);
}
void ViewsWindow::ShowTopControls(bool show) {
if (!window_ || !with_controls_) {
return;
}
// Change the visibility of the toolbar.
if (toolbar_->IsVisible() != show) {
toolbar_->SetVisible(show);
toolbar_->InvalidateLayout();
}
}
#if !defined(OS_MAC)
void ViewsWindow::NudgeWindow() {
NOTIMPLEMENTED();
}
#endif
} // namespace client
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