99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
// Copyright 2014 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/native/window_delegate_view.h"
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#include <utility>
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#include "content/public/browser/web_contents.h"
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#include "ui/views/background.h"
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#include "ui/views/controls/webview/webview.h"
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#include "ui/views/layout/fill_layout.h"
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#include "ui/views/widget/widget.h"
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CefWindowDelegateView::CefWindowDelegateView(
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SkColor background_color,
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bool always_on_top,
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base::RepeatingClosure on_bounds_changed,
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base::OnceClosure on_delete)
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: background_color_(background_color),
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always_on_top_(always_on_top),
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on_bounds_changed_(std::move(on_bounds_changed)),
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on_delete_(std::move(on_delete)) {}
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void CefWindowDelegateView::Init(gfx::AcceleratedWidget parent_widget,
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content::WebContents* web_contents,
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const gfx::Rect& bounds) {
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DCHECK(!web_view_);
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web_view_ = new views::WebView(web_contents->GetBrowserContext());
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web_view_->SetWebContents(web_contents);
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web_view_->SetPreferredSize(bounds.size());
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SetCanResize(true);
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views::Widget* widget = new views::Widget;
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// See CalculateWindowStylesFromInitParams in
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// ui/views/widget/widget_hwnd_utils.cc for the conversion of |params| to
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// Windows style flags.
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views::Widget::InitParams params;
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params.parent_widget = parent_widget;
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params.bounds = bounds;
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params.delegate = this;
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// Set the WS_CHILD flag.
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params.child = true;
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// Set the WS_VISIBLE flag.
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params.type = views::Widget::InitParams::TYPE_CONTROL;
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// Don't set the WS_EX_COMPOSITED flag.
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params.opacity = views::Widget::InitParams::WindowOpacity::kOpaque;
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// Tell Aura not to draw the window frame on resize.
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params.remove_standard_frame = true;
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// Cause WidgetDelegate::CanActivate to return true. See comments in
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// AlloyBrowserHostImpl::PlatformSetFocus.
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params.activatable = views::Widget::InitParams::Activatable::kYes;
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params.z_order = always_on_top_ ? ui::ZOrderLevel::kFloatingWindow
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: ui::ZOrderLevel::kNormal;
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// Results in a call to InitContent().
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widget->Init(std::move(params));
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// |widget| should now be associated with |this|.
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DCHECK_EQ(widget, GetWidget());
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// |widget| must be top-level for focus handling to work correctly.
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DCHECK(widget->is_top_level());
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// |widget| must be activatable for focus handling to work correctly.
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DCHECK(widget->widget_delegate()->CanActivate());
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// WidgetDelegate::DeleteDelegate() will execute the registered callback.
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RegisterDeleteDelegateCallback(base::BindOnce(
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&CefWindowDelegateView::DeleteDelegate, base::Unretained(this)));
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}
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void CefWindowDelegateView::InitContent() {
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SetBackground(views::CreateSolidBackground(background_color_));
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SetLayoutManager(std::make_unique<views::FillLayout>());
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AddChildView(web_view_);
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}
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void CefWindowDelegateView::DeleteDelegate() {
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if (!on_delete_.is_null()) {
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std::move(on_delete_).Run();
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}
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}
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void CefWindowDelegateView::ViewHierarchyChanged(
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const views::ViewHierarchyChangedDetails& details) {
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if (details.is_add && details.child == this) {
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InitContent();
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}
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}
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void CefWindowDelegateView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
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views::WidgetDelegateView::OnBoundsChanged(previous_bounds);
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if (!on_bounds_changed_.is_null()) {
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on_bounds_changed_.Run();
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}
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}
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