cef/tests/cefclient/browser/root_window_views.cc
2022-09-05 16:31:47 -04:00

542 lines
15 KiB
C++

// 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/root_window_views.h"
#include <memory>
#include "include/base/cef_build.h"
#include "include/base/cef_callback.h"
#include "include/cef_app.h"
#include "include/wrapper/cef_helpers.h"
#include "tests/cefclient/browser/client_handler_std.h"
namespace client {
namespace {
// Images that are loaded early and cached.
static const char* kDefaultImageCache[] = {"menu_icon", "window_icon"};
} // namespace
RootWindowViews::RootWindowViews() = default;
RootWindowViews::~RootWindowViews() {
REQUIRE_MAIN_THREAD();
}
void RootWindowViews::Init(RootWindow::Delegate* delegate,
std::unique_ptr<RootWindowConfig> config,
const CefBrowserSettings& settings) {
DCHECK(delegate);
DCHECK(!config->with_osr); // Windowless rendering is not supported.
DCHECK(!initialized_);
delegate_ = delegate;
config_ = std::move(config);
if (config_->initially_hidden && !config_->source_bounds.IsEmpty()) {
// The window will be sized and positioned in OnAutoResize().
initial_bounds_ = config_->source_bounds;
position_on_resize_ = true;
} else {
initial_bounds_ = config_->bounds;
}
CreateClientHandler(config_->url);
initialized_ = true;
// Continue initialization on the UI thread.
InitOnUIThread(settings, config_->url, delegate_->GetRequestContext(this));
}
void RootWindowViews::InitAsPopup(RootWindow::Delegate* delegate,
bool with_controls,
bool with_osr,
const CefPopupFeatures& popupFeatures,
CefWindowInfo& windowInfo,
CefRefPtr<CefClient>& client,
CefBrowserSettings& settings) {
CEF_REQUIRE_UI_THREAD();
DCHECK(delegate);
DCHECK(!with_osr); // Windowless rendering is not supported.
DCHECK(!initialized_);
delegate_ = delegate;
config_ = std::make_unique<RootWindowConfig>();
config_->with_controls = with_controls;
is_popup_ = true;
if (popupFeatures.xSet)
initial_bounds_.x = popupFeatures.x;
if (popupFeatures.ySet)
initial_bounds_.y = popupFeatures.y;
if (popupFeatures.widthSet)
initial_bounds_.width = popupFeatures.width;
if (popupFeatures.heightSet)
initial_bounds_.height = popupFeatures.height;
CreateClientHandler(std::string());
initialized_ = true;
// The Window will be created in ViewsWindow::OnPopupBrowserViewCreated().
client = client_handler_;
}
void RootWindowViews::Show(ShowMode mode) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI, base::BindOnce(&RootWindowViews::Show, this, mode));
return;
}
if (!window_)
return;
window_->Show();
switch (mode) {
case ShowMinimized:
window_->Minimize();
break;
case ShowMaximized:
window_->Maximize();
break;
default:
break;
}
}
void RootWindowViews::Hide() {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI, base::BindOnce(&RootWindowViews::Hide, this));
return;
}
if (window_)
window_->Hide();
}
void RootWindowViews::SetBounds(int x, int y, size_t width, size_t height) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI, base::BindOnce(&RootWindowViews::SetBounds, this, x, y,
width, height));
return;
}
if (window_) {
window_->SetBounds(
CefRect(x, y, static_cast<int>(width), static_cast<int>(height)));
}
}
void RootWindowViews::Close(bool force) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI, base::BindOnce(&RootWindowViews::Close, this, force));
return;
}
if (window_)
window_->Close(force);
}
void RootWindowViews::SetDeviceScaleFactor(float device_scale_factor) {
REQUIRE_MAIN_THREAD();
// Windowless rendering is not supported.
NOTREACHED();
}
float RootWindowViews::GetDeviceScaleFactor() const {
REQUIRE_MAIN_THREAD();
// Windowless rendering is not supported.
NOTREACHED();
return 0.0;
}
CefRefPtr<CefBrowser> RootWindowViews::GetBrowser() const {
REQUIRE_MAIN_THREAD();
return browser_;
}
ClientWindowHandle RootWindowViews::GetWindowHandle() const {
REQUIRE_MAIN_THREAD();
#if defined(OS_LINUX)
// ClientWindowHandle is a GtkWidget* on Linux and we don't have one of those.
return nullptr;
#else
if (browser_)
return browser_->GetHost()->GetWindowHandle();
return kNullWindowHandle;
#endif
}
bool RootWindowViews::WithExtension() const {
DCHECK(initialized_);
return config_->with_extension;
}
bool RootWindowViews::WithControls() {
DCHECK(initialized_);
return config_->with_controls;
}
bool RootWindowViews::WithExtension() {
DCHECK(initialized_);
return config_->with_extension;
}
void RootWindowViews::OnExtensionsChanged(const ExtensionSet& extensions) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI, base::BindOnce(&RootWindowViews::OnExtensionsChanged,
this, extensions));
return;
}
if (window_) {
window_->OnExtensionsChanged(extensions);
} else {
// Window may not exist yet for popups.
pending_extensions_ = extensions;
}
}
bool RootWindowViews::InitiallyHidden() {
CEF_REQUIRE_UI_THREAD();
return config_->initially_hidden;
}
CefRefPtr<CefWindow> RootWindowViews::GetParentWindow() {
CEF_REQUIRE_UI_THREAD();
return config_->parent_window;
}
CefRect RootWindowViews::GetWindowBounds() {
CEF_REQUIRE_UI_THREAD();
return initial_bounds_;
}
scoped_refptr<ImageCache> RootWindowViews::GetImageCache() {
CEF_REQUIRE_UI_THREAD();
return image_cache_;
}
void RootWindowViews::OnViewsWindowCreated(CefRefPtr<ViewsWindow> window) {
CEF_REQUIRE_UI_THREAD();
DCHECK(!window_);
window_ = window;
window_->SetAlwaysOnTop(config_->always_on_top);
if (!pending_extensions_.empty()) {
window_->OnExtensionsChanged(pending_extensions_);
pending_extensions_.clear();
}
}
void RootWindowViews::OnViewsWindowDestroyed(CefRefPtr<ViewsWindow> window) {
CEF_REQUIRE_UI_THREAD();
window_ = nullptr;
// Continue on the main thread.
MAIN_POST_CLOSURE(
base::BindOnce(&RootWindowViews::NotifyViewsWindowDestroyed, this));
}
void RootWindowViews::OnViewsWindowActivated(CefRefPtr<ViewsWindow> window) {
CEF_REQUIRE_UI_THREAD();
// Continue on the main thread.
MAIN_POST_CLOSURE(
base::BindOnce(&RootWindowViews::NotifyViewsWindowActivated, this));
}
ViewsWindow::Delegate* RootWindowViews::GetDelegateForPopup(
CefRefPtr<CefClient> client) {
CEF_REQUIRE_UI_THREAD();
// |handler| was created in RootWindowViews::InitAsPopup().
ClientHandlerStd* handler = static_cast<ClientHandlerStd*>(client.get());
RootWindowViews* root_window =
static_cast<RootWindowViews*>(handler->delegate());
// May be nullptr when using the default popup behavior.
if (root_window) {
// Transfer some state to the child RootWindowViews.
root_window->image_cache_ = image_cache_;
}
return root_window;
}
void RootWindowViews::CreateExtensionWindow(CefRefPtr<CefExtension> extension,
const CefRect& source_bounds,
CefRefPtr<CefWindow> parent_window,
base::OnceClosure close_callback) {
if (!CURRENTLY_ON_MAIN_THREAD()) {
// Execute this method on the main thread.
MAIN_POST_CLOSURE(base::BindOnce(&RootWindowViews::CreateExtensionWindow,
this, extension, source_bounds,
parent_window, std::move(close_callback)));
return;
}
delegate_->CreateExtensionWindow(extension, source_bounds, parent_window,
std::move(close_callback), false);
}
void RootWindowViews::OnTest(int test_id) {
if (!CURRENTLY_ON_MAIN_THREAD()) {
// Execute this method on the main thread.
MAIN_POST_CLOSURE(base::BindOnce(&RootWindowViews::OnTest, this, test_id));
return;
}
delegate_->OnTest(this, test_id);
}
void RootWindowViews::OnExit() {
if (!CURRENTLY_ON_MAIN_THREAD()) {
// Execute this method on the main thread.
MAIN_POST_CLOSURE(base::BindOnce(&RootWindowViews::OnExit, this));
return;
}
delegate_->OnExit(this);
}
void RootWindowViews::OnBrowserCreated(CefRefPtr<CefBrowser> browser) {
REQUIRE_MAIN_THREAD();
DCHECK(!browser_);
browser_ = browser;
delegate_->OnBrowserCreated(this, browser);
}
void RootWindowViews::OnBrowserClosing(CefRefPtr<CefBrowser> browser) {
REQUIRE_MAIN_THREAD();
// Nothing to do here.
}
void RootWindowViews::OnBrowserClosed(CefRefPtr<CefBrowser> browser) {
REQUIRE_MAIN_THREAD();
if (browser_) {
DCHECK_EQ(browser->GetIdentifier(), browser_->GetIdentifier());
browser_ = nullptr;
}
client_handler_->DetachDelegate();
client_handler_ = nullptr;
browser_destroyed_ = true;
NotifyDestroyedIfDone();
}
void RootWindowViews::OnSetAddress(const std::string& url) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI,
base::BindOnce(&RootWindowViews::OnSetAddress, this, url));
return;
}
if (window_)
window_->SetAddress(url);
}
void RootWindowViews::OnSetTitle(const std::string& title) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI,
base::BindOnce(&RootWindowViews::OnSetTitle, this, title));
return;
}
if (window_)
window_->SetTitle(title);
}
void RootWindowViews::OnSetFavicon(CefRefPtr<CefImage> image) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI,
base::BindOnce(&RootWindowViews::OnSetFavicon, this, image));
return;
}
if (window_)
window_->SetFavicon(image);
}
void RootWindowViews::OnSetFullscreen(bool fullscreen) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI, base::BindOnce(&RootWindowViews::OnSetFullscreen, this,
fullscreen));
return;
}
if (window_)
window_->SetFullscreen(fullscreen);
}
void RootWindowViews::OnAutoResize(const CefSize& new_size) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI,
base::BindOnce(&RootWindowViews::OnAutoResize, this, new_size));
return;
}
bool has_position = false;
CefPoint position;
if (position_on_resize_) {
// Position the window centered on and immediately below the source.
const int x_offset = (initial_bounds_.width - new_size.width) / 2;
position.Set(initial_bounds_.x + x_offset,
initial_bounds_.y + initial_bounds_.height);
has_position = true;
// Don't change the window position on future resizes.
position_on_resize_ = false;
}
if (window_) {
window_->SetBrowserSize(new_size, has_position, position);
window_->Show();
}
}
void RootWindowViews::OnSetLoadingState(bool isLoading,
bool canGoBack,
bool canGoForward) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI,
base::BindOnce(&RootWindowViews::OnSetLoadingState, this,
isLoading, canGoBack, canGoForward));
return;
}
if (window_) {
window_->SetLoadingState(isLoading, canGoBack, canGoForward);
if (isLoading) {
// Reset to the default window icon when loading begins.
window_->SetFavicon(
delegate_->GetImageCache()->GetCachedImage("window_icon"));
}
}
}
void RootWindowViews::OnSetDraggableRegions(
const std::vector<CefDraggableRegion>& regions) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI, base::BindOnce(&RootWindowViews::OnSetDraggableRegions,
this, regions));
return;
}
if (window_)
window_->SetDraggableRegions(regions);
}
void RootWindowViews::OnTakeFocus(bool next) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI,
base::BindOnce(&RootWindowViews::OnTakeFocus, this, next));
return;
}
if (window_)
window_->TakeFocus(next);
}
void RootWindowViews::OnBeforeContextMenu(CefRefPtr<CefMenuModel> model) {
CEF_REQUIRE_UI_THREAD();
if (window_)
window_->OnBeforeContextMenu(model);
}
void RootWindowViews::CreateClientHandler(const std::string& url) {
DCHECK(!client_handler_);
client_handler_ = new ClientHandlerStd(this, config_->with_controls, url);
client_handler_->set_download_favicon_images(true);
}
void RootWindowViews::InitOnUIThread(
const CefBrowserSettings& settings,
const std::string& startup_url,
CefRefPtr<CefRequestContext> request_context) {
if (!CefCurrentlyOn(TID_UI)) {
// Execute this method on the UI thread.
CefPostTask(TID_UI, base::BindOnce(&RootWindowViews::InitOnUIThread, this,
settings, startup_url, request_context));
return;
}
image_cache_ = delegate_->GetImageCache();
// Populate the default image cache.
ImageCache::ImageInfoSet image_set;
for (size_t i = 0U; i < std::size(kDefaultImageCache); ++i)
image_set.push_back(ImageCache::ImageInfo::Create2x(kDefaultImageCache[i]));
image_cache_->LoadImages(
image_set, base::BindOnce(&RootWindowViews::CreateViewsWindow, this,
settings, startup_url, request_context));
}
void RootWindowViews::CreateViewsWindow(
const CefBrowserSettings& settings,
const std::string& startup_url,
CefRefPtr<CefRequestContext> request_context,
const ImageCache::ImageSet& images) {
CEF_REQUIRE_UI_THREAD();
DCHECK(!window_);
#ifndef NDEBUG
// Make sure the default images loaded successfully.
DCHECK_EQ(images.size(), std::size(kDefaultImageCache));
for (size_t i = 0U; i < std::size(kDefaultImageCache); ++i) {
DCHECK(images[i]) << "Default image " << i << " failed to load";
}
#endif
// Create the ViewsWindow. It will show itself after creation.
ViewsWindow::Create(this, client_handler_, startup_url, settings,
request_context);
}
void RootWindowViews::NotifyViewsWindowDestroyed() {
REQUIRE_MAIN_THREAD();
window_destroyed_ = true;
NotifyDestroyedIfDone();
}
void RootWindowViews::NotifyViewsWindowActivated() {
REQUIRE_MAIN_THREAD();
delegate_->OnRootWindowActivated(this);
}
void RootWindowViews::NotifyDestroyedIfDone() {
// Notify once both the window and the browser have been destroyed.
if (window_destroyed_ && browser_destroyed_) {
// The delegate may be holding the last reference to |this|, so take a
// reference here to keep |this| alive until after the method completes.
scoped_refptr<RootWindow> self = this;
delegate_->OnRootWindowDestroyed(this);
if (!config_->close_callback.is_null())
std::move(config_->close_callback).Run();
}
}
} // namespace client