mirror of
https://bitbucket.org/chromiumembedded/cef
synced 2024-12-13 10:06:28 +01:00
651 lines
18 KiB
C++
651 lines
18 KiB
C++
// Copyright 2016 The Chromium Embedded Framework Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be found
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// in the LICENSE file.
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#include "libcef/browser/views/window_impl.h"
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#include "libcef/browser/browser_util.h"
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#include "libcef/browser/thread_util.h"
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#include "libcef/browser/views/display_impl.h"
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#include "libcef/browser/views/fill_layout_impl.h"
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#include "libcef/browser/views/layout_util.h"
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#include "libcef/browser/views/view_util.h"
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#include "libcef/browser/views/window_view.h"
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#include "ui/base/test/ui_controls.h"
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#include "ui/gfx/geometry/rect.h"
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#include "ui/views/controls/button/menu_button.h"
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#include "ui/views/controls/menu/menu_runner.h"
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#if defined(USE_AURA)
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#include "ui/aura/test/ui_controls_factory_aura.h"
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#include "ui/aura/window.h"
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#include "ui/base/test/ui_controls_aura.h"
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#if defined(OS_LINUX) && defined(USE_X11)
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#include "ui/views/test/ui_controls_factory_desktop_aurax11.h"
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#endif
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#endif
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#if defined(OS_WIN)
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#include "ui/display/win/screen_win.h"
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#endif
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namespace {
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// Based on chrome/test/base/interactive_ui_tests_main.cc.
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void InitializeUITesting() {
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static bool initialized = false;
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if (!initialized) {
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ui_controls::EnableUIControls();
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#if defined(USE_AURA)
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#if defined(OS_LINUX) && defined(USE_X11)
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ui_controls::InstallUIControlsAura(
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views::test::CreateUIControlsDesktopAura());
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#else
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ui_controls::InstallUIControlsAura(
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aura::test::CreateUIControlsAura(nullptr));
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#endif
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#endif
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initialized = true;
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}
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}
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#if defined(USE_AURA)
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// This class forwards KeyEvents to the CefWindowImpl associated with a widget.
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// This allows KeyEvents to be processed after all other targets.
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// Events originating from CefBrowserView will instead be delivered via
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// CefBrowserViewImpl::HandleKeyboardEvent.
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class CefUnhandledKeyEventHandler : public ui::EventHandler {
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public:
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CefUnhandledKeyEventHandler(CefWindowImpl* window_impl, views::Widget* widget)
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: window_impl_(window_impl),
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widget_(widget),
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window_(widget->GetNativeWindow()) {
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DCHECK(window_);
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window_->AddPostTargetHandler(this);
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}
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~CefUnhandledKeyEventHandler() override {
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window_->RemovePostTargetHandler(this);
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}
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// Implementation of ui::EventHandler:
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void OnKeyEvent(ui::KeyEvent* event) override {
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// Give the FocusManager a chance to handle accelerators first.
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// Widget::OnKeyEvent would normally call this after all EventHandlers have
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// had a shot but we don't want to wait.
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if (widget_->GetFocusManager() &&
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!widget_->GetFocusManager()->OnKeyEvent(*event)) {
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event->StopPropagation();
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return;
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}
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CefKeyEvent cef_event;
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if (browser_util::GetCefKeyEvent(*event, cef_event) &&
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window_impl_->OnKeyEvent(cef_event)) {
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event->StopPropagation();
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}
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}
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private:
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// Members are guaranteed to outlive this object.
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CefWindowImpl* window_impl_;
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views::Widget* widget_;
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// |window_| is the event target that is associated with this class.
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aura::Window* window_;
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DISALLOW_COPY_AND_ASSIGN(CefUnhandledKeyEventHandler);
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};
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#endif // defined(USE_AURA)
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} // namespace
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// static
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CefRefPtr<CefWindow> CefWindow::CreateTopLevelWindow(
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CefRefPtr<CefWindowDelegate> delegate) {
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return CefWindowImpl::Create(delegate);
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}
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// static
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CefRefPtr<CefWindowImpl> CefWindowImpl::Create(
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CefRefPtr<CefWindowDelegate> delegate) {
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CEF_REQUIRE_UIT_RETURN(nullptr);
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CefRefPtr<CefWindowImpl> window = new CefWindowImpl(delegate);
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window->Initialize();
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window->CreateWidget();
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if (delegate)
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delegate->OnWindowCreated(window.get());
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return window;
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}
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void CefWindowImpl::Show() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_)
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widget_->Show();
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}
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void CefWindowImpl::Hide() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_)
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widget_->Hide();
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}
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void CefWindowImpl::CenterWindow(const CefSize& size) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_)
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widget_->CenterWindow(gfx::Size(size.width, size.height));
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}
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void CefWindowImpl::Close() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_ && !widget_->IsClosed())
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widget_->Close();
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}
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bool CefWindowImpl::IsClosed() {
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CEF_REQUIRE_UIT_RETURN(false);
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return destroyed_ || (widget_ && widget_->IsClosed());
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}
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void CefWindowImpl::Activate() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_ && widget_->CanActivate() && !widget_->IsActive())
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widget_->Activate();
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}
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void CefWindowImpl::Deactivate() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_ && widget_->CanActivate() && widget_->IsActive())
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widget_->Deactivate();
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}
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bool CefWindowImpl::IsActive() {
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CEF_REQUIRE_VALID_RETURN(false);
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if (widget_)
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return widget_->IsActive();
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return false;
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}
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void CefWindowImpl::BringToTop() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_)
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widget_->StackAtTop();
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}
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void CefWindowImpl::SetAlwaysOnTop(bool on_top) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_ && on_top != (widget_->GetZOrderLevel() ==
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ui::ZOrderLevel::kFloatingWindow)) {
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widget_->SetZOrderLevel(on_top ? ui::ZOrderLevel::kFloatingWindow
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: ui::ZOrderLevel::kNormal);
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}
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}
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bool CefWindowImpl::IsAlwaysOnTop() {
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CEF_REQUIRE_VALID_RETURN(false);
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if (widget_)
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return widget_->GetZOrderLevel() == ui::ZOrderLevel::kFloatingWindow;
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return false;
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}
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void CefWindowImpl::Maximize() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_ && !widget_->IsMaximized())
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widget_->Maximize();
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}
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void CefWindowImpl::Minimize() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_ && !widget_->IsMinimized())
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widget_->Minimize();
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}
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void CefWindowImpl::Restore() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_ && (widget_->IsMaximized() || widget_->IsMinimized()))
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widget_->Restore();
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}
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void CefWindowImpl::SetFullscreen(bool fullscreen) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_ && fullscreen != widget_->IsFullscreen())
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widget_->SetFullscreen(fullscreen);
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}
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bool CefWindowImpl::IsMaximized() {
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CEF_REQUIRE_VALID_RETURN(false);
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if (widget_)
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return widget_->IsMaximized();
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return false;
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}
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bool CefWindowImpl::IsMinimized() {
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CEF_REQUIRE_VALID_RETURN(false);
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if (widget_)
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return widget_->IsMinimized();
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return false;
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}
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bool CefWindowImpl::IsFullscreen() {
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CEF_REQUIRE_VALID_RETURN(false);
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if (widget_)
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return widget_->IsFullscreen();
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return false;
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}
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void CefWindowImpl::SetTitle(const CefString& title) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (root_view())
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root_view()->SetTitle(title);
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}
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CefString CefWindowImpl::GetTitle() {
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CEF_REQUIRE_VALID_RETURN(CefString());
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if (root_view())
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return root_view()->title();
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return CefString();
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}
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void CefWindowImpl::SetWindowIcon(CefRefPtr<CefImage> image) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (root_view())
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root_view()->SetWindowIcon(image);
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}
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CefRefPtr<CefImage> CefWindowImpl::GetWindowIcon() {
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CEF_REQUIRE_VALID_RETURN(nullptr);
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if (root_view())
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return root_view()->window_icon();
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return nullptr;
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}
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void CefWindowImpl::SetWindowAppIcon(CefRefPtr<CefImage> image) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (root_view())
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root_view()->SetWindowAppIcon(image);
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}
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CefRefPtr<CefImage> CefWindowImpl::GetWindowAppIcon() {
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CEF_REQUIRE_VALID_RETURN(nullptr);
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if (root_view())
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return root_view()->window_app_icon();
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return nullptr;
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}
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void CefWindowImpl::GetDebugInfo(base::DictionaryValue* info,
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bool include_children) {
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ParentClass::GetDebugInfo(info, include_children);
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if (root_view())
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info->SetString("title", root_view()->title());
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}
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void CefWindowImpl::ShowMenu(CefRefPtr<CefMenuModel> menu_model,
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const CefPoint& screen_point,
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cef_menu_anchor_position_t anchor_position) {
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ShowMenu(nullptr, menu_model, screen_point, anchor_position);
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}
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void CefWindowImpl::Detach() {
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// OnDeleteDelegate should always be called before Detach().
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DCHECK(!widget_);
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ParentClass::Detach();
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}
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void CefWindowImpl::SetBounds(const CefRect& bounds) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_) {
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widget_->SetBounds(
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gfx::Rect(bounds.x, bounds.y, bounds.width, bounds.height));
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}
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}
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CefRect CefWindowImpl::GetBounds() {
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CEF_REQUIRE_VALID_RETURN(CefRect());
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gfx::Rect bounds;
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if (widget_)
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bounds = widget_->GetWindowBoundsInScreen();
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return CefRect(bounds.x(), bounds.y(), bounds.width(), bounds.height());
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}
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CefRect CefWindowImpl::GetBoundsInScreen() {
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return GetBounds();
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}
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void CefWindowImpl::SetSize(const CefSize& size) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_)
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widget_->SetSize(gfx::Size(size.width, size.height));
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}
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void CefWindowImpl::SetPosition(const CefPoint& position) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_) {
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gfx::Rect bounds = widget_->GetWindowBoundsInScreen();
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bounds.set_origin(gfx::Point(position.x, position.y));
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widget_->SetBounds(bounds);
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}
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}
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void CefWindowImpl::SizeToPreferredSize() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (widget_) {
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if (widget_->non_client_view())
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widget_->SetSize(widget_->non_client_view()->GetPreferredSize());
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else
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widget_->SetSize(root_view()->GetPreferredSize());
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}
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}
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void CefWindowImpl::SetVisible(bool visible) {
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if (visible)
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Show();
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else
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Hide();
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}
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bool CefWindowImpl::IsVisible() {
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CEF_REQUIRE_VALID_RETURN(false);
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if (widget_)
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return widget_->IsVisible();
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return false;
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}
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bool CefWindowImpl::IsDrawn() {
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return IsVisible();
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}
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void CefWindowImpl::SetBackgroundColor(cef_color_t color) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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ParentClass::SetBackgroundColor(color);
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if (widget_ && widget_->GetCompositor())
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widget_->GetCompositor()->SetBackgroundColor(color);
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}
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bool CefWindowImpl::CanWidgetClose() {
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if (delegate())
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return delegate()->CanClose(this);
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return true;
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}
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void CefWindowImpl::OnWindowClosing() {
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#if defined(USE_AURA)
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unhandled_key_event_handler_.reset();
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#endif
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}
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void CefWindowImpl::OnWindowViewDeleted() {
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CancelMenu();
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destroyed_ = true;
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widget_ = nullptr;
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if (delegate())
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delegate()->OnWindowDestroyed(this);
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// Call Detach() here instead of waiting for the root View to be deleted so
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// that any following attempts to call CefWindow methods from the delegate
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// will fail.
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Detach();
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}
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// Will only be called if CanHandleAccelerators() returns true.
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bool CefWindowImpl::AcceleratorPressed(const ui::Accelerator& accelerator) {
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for (const auto& entry : accelerator_map_) {
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if (entry.second == accelerator)
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return delegate()->OnAccelerator(this, entry.first);
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}
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return false;
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}
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bool CefWindowImpl::CanHandleAccelerators() const {
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if (delegate() && widget_)
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return widget_->IsActive();
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return false;
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}
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bool CefWindowImpl::OnKeyEvent(const CefKeyEvent& event) {
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if (delegate())
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return delegate()->OnKeyEvent(this, event);
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return false;
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}
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void CefWindowImpl::ShowMenu(views::MenuButton* menu_button,
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CefRefPtr<CefMenuModel> menu_model,
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const CefPoint& screen_point,
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cef_menu_anchor_position_t anchor_position) {
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CancelMenu();
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if (!widget_)
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return;
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CefMenuModelImpl* menu_model_impl =
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static_cast<CefMenuModelImpl*>(menu_model.get());
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if (!menu_model_impl || !menu_model_impl->model())
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return;
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menu_model_ = menu_model_impl;
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// We'll send the MenuClosed notification manually for better accuracy.
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menu_model_->set_auto_notify_menu_closed(false);
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menu_runner_.reset(
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new views::MenuRunner(menu_model_impl->model(),
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menu_button ? views::MenuRunner::HAS_MNEMONICS
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: views::MenuRunner::CONTEXT_MENU,
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base::Bind(&CefWindowImpl::MenuClosed, this)));
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menu_runner_->RunMenuAt(
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widget_, menu_button ? menu_button->button_controller() : nullptr,
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gfx::Rect(gfx::Point(screen_point.x, screen_point.y), gfx::Size()),
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static_cast<views::MenuAnchorPosition>(anchor_position),
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ui::MENU_SOURCE_NONE);
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}
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void CefWindowImpl::MenuClosed() {
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menu_model_->NotifyMenuClosed();
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menu_model_ = nullptr;
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menu_runner_.reset(nullptr);
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}
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void CefWindowImpl::CancelMenu() {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (menu_runner_)
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menu_runner_->Cancel();
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DCHECK(!menu_model_);
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DCHECK(!menu_runner_);
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}
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CefRefPtr<CefDisplay> CefWindowImpl::GetDisplay() {
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CEF_REQUIRE_VALID_RETURN(nullptr);
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if (widget_ && root_view()) {
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const display::Display& display = root_view()->GetDisplay();
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if (display.is_valid())
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return new CefDisplayImpl(display);
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}
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return nullptr;
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}
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CefRect CefWindowImpl::GetClientAreaBoundsInScreen() {
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CEF_REQUIRE_VALID_RETURN(CefRect());
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if (widget_) {
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gfx::Rect bounds = widget_->GetClientAreaBoundsInScreen();
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views::NonClientFrameView* non_client_frame_view =
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root_view()->GetNonClientFrameView();
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if (non_client_frame_view) {
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// When using a custom drawn NonClientFrameView the native Window will not
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// know the actual client bounds. Adjust the native Window bounds for the
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// reported client bounds.
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const gfx::Rect& client_bounds =
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non_client_frame_view->GetBoundsForClientView();
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bounds.set_origin(bounds.origin() + client_bounds.OffsetFromOrigin());
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bounds.set_size(client_bounds.size());
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}
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return CefRect(bounds.x(), bounds.y(), bounds.width(), bounds.height());
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}
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return CefRect();
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}
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void CefWindowImpl::SetDraggableRegions(
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const std::vector<CefDraggableRegion>& regions) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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if (root_view())
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root_view()->SetDraggableRegions(regions);
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}
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CefWindowHandle CefWindowImpl::GetWindowHandle() {
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CEF_REQUIRE_VALID_RETURN(kNullWindowHandle);
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return view_util::GetWindowHandle(widget_);
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}
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void CefWindowImpl::SendKeyPress(int key_code, uint32 event_flags) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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InitializeUITesting();
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gfx::NativeWindow native_window = view_util::GetNativeWindow(widget_);
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if (!native_window)
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return;
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ui_controls::SendKeyPress(native_window,
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static_cast<ui::KeyboardCode>(key_code),
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!!(event_flags & EVENTFLAG_CONTROL_DOWN),
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!!(event_flags & EVENTFLAG_SHIFT_DOWN),
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!!(event_flags & EVENTFLAG_ALT_DOWN),
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false); // Command key is not supported by Aura.
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}
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void CefWindowImpl::SendMouseMove(int screen_x, int screen_y) {
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CEF_REQUIRE_VALID_RETURN_VOID();
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InitializeUITesting();
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gfx::Point point(screen_x, screen_y);
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|
#if defined(OS_WIN)
|
|
// Windows expects pixel coordinates.
|
|
point = display::win::ScreenWin::DIPToScreenPoint(point);
|
|
#endif
|
|
|
|
ui_controls::SendMouseMove(point.x(), point.y());
|
|
}
|
|
|
|
void CefWindowImpl::SendMouseEvents(cef_mouse_button_type_t button,
|
|
bool mouse_down,
|
|
bool mouse_up) {
|
|
CEF_REQUIRE_VALID_RETURN_VOID();
|
|
if (!mouse_down && !mouse_up)
|
|
return;
|
|
|
|
InitializeUITesting();
|
|
|
|
ui_controls::MouseButton type = ui_controls::LEFT;
|
|
if (button == MBT_MIDDLE)
|
|
type = ui_controls::MIDDLE;
|
|
else if (button == MBT_RIGHT)
|
|
type = ui_controls::RIGHT;
|
|
|
|
int state = 0;
|
|
if (mouse_down)
|
|
state |= ui_controls::DOWN;
|
|
if (mouse_up)
|
|
state |= ui_controls::UP;
|
|
|
|
ui_controls::SendMouseEvents(type, state);
|
|
}
|
|
|
|
void CefWindowImpl::SetAccelerator(int command_id,
|
|
int key_code,
|
|
bool shift_pressed,
|
|
bool ctrl_pressed,
|
|
bool alt_pressed) {
|
|
CEF_REQUIRE_VALID_RETURN_VOID();
|
|
if (!widget_)
|
|
return;
|
|
|
|
AcceleratorMap::const_iterator it = accelerator_map_.find(command_id);
|
|
if (it != accelerator_map_.end())
|
|
RemoveAccelerator(command_id);
|
|
|
|
int modifiers = 0;
|
|
if (shift_pressed)
|
|
modifiers |= ui::EF_SHIFT_DOWN;
|
|
if (ctrl_pressed)
|
|
modifiers |= ui::EF_CONTROL_DOWN;
|
|
if (alt_pressed)
|
|
modifiers |= ui::EF_ALT_DOWN;
|
|
ui::Accelerator accelerator(static_cast<ui::KeyboardCode>(key_code),
|
|
modifiers);
|
|
|
|
accelerator_map_.insert(std::make_pair(command_id, accelerator));
|
|
|
|
views::FocusManager* focus_manager = widget_->GetFocusManager();
|
|
DCHECK(focus_manager);
|
|
focus_manager->RegisterAccelerator(
|
|
accelerator, ui::AcceleratorManager::kNormalPriority, this);
|
|
}
|
|
|
|
void CefWindowImpl::RemoveAccelerator(int command_id) {
|
|
CEF_REQUIRE_VALID_RETURN_VOID();
|
|
if (!widget_)
|
|
return;
|
|
|
|
AcceleratorMap::iterator it = accelerator_map_.find(command_id);
|
|
if (it == accelerator_map_.end())
|
|
return;
|
|
|
|
ui::Accelerator accelerator = it->second;
|
|
|
|
accelerator_map_.erase(it);
|
|
|
|
views::FocusManager* focus_manager = widget_->GetFocusManager();
|
|
DCHECK(focus_manager);
|
|
focus_manager->UnregisterAccelerator(accelerator, this);
|
|
}
|
|
|
|
void CefWindowImpl::RemoveAllAccelerators() {
|
|
CEF_REQUIRE_VALID_RETURN_VOID();
|
|
if (!widget_)
|
|
return;
|
|
|
|
accelerator_map_.clear();
|
|
|
|
views::FocusManager* focus_manager = widget_->GetFocusManager();
|
|
DCHECK(focus_manager);
|
|
focus_manager->UnregisterAccelerators(this);
|
|
}
|
|
|
|
CefWindowImpl::CefWindowImpl(CefRefPtr<CefWindowDelegate> delegate)
|
|
: ParentClass(delegate), widget_(nullptr), destroyed_(false) {}
|
|
|
|
CefWindowView* CefWindowImpl::CreateRootView() {
|
|
return new CefWindowView(delegate(), this);
|
|
}
|
|
|
|
void CefWindowImpl::InitializeRootView() {
|
|
static_cast<CefWindowView*>(root_view())->Initialize();
|
|
}
|
|
|
|
void CefWindowImpl::CreateWidget() {
|
|
DCHECK(!widget_);
|
|
|
|
root_view()->CreateWidget();
|
|
widget_ = root_view()->GetWidget();
|
|
DCHECK(widget_);
|
|
|
|
#if defined(USE_AURA)
|
|
unhandled_key_event_handler_ =
|
|
std::make_unique<CefUnhandledKeyEventHandler>(this, widget_);
|
|
#endif
|
|
|
|
// The Widget and root View are owned by the native window. Therefore don't
|
|
// keep an owned reference.
|
|
std::unique_ptr<views::View> view_ptr = view_util::PassOwnership(this);
|
|
views::View* view = view_ptr.release();
|
|
ALLOW_UNUSED_LOCAL(view);
|
|
}
|