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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/desktop_capture/desktop_media_source_view.h"
#include "chrome/browser/media/webrtc/desktop_media_list.h"
#include "chrome/browser/ui/views/desktop_capture/desktop_media_list_view.h"
#include "chrome/browser/ui/views/desktop_capture/desktop_media_picker_views.h"
#include "chrome/grit/generated_resources.h"
#include "ui/accessibility/ax_enums.mojom.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/color/color_id.h"
#include "ui/color/color_provider.h"
#include "ui/gfx/canvas.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/background.h"
#include "ui/views/controls/focus_ring.h"
#include "ui/views/controls/highlight_path_generator.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/view_utils.h"
namespace {
constexpr int kCornerRadius = 8;
}
using content::DesktopMediaID;
DesktopMediaSourceViewStyle::DesktopMediaSourceViewStyle() = default;
DesktopMediaSourceViewStyle::DesktopMediaSourceViewStyle(
size_t columns,
const gfx::Size& item_size,
const gfx::Rect& icon_rect,
const gfx::Rect& label_rect,
gfx::HorizontalAlignment text_alignment,
const gfx::Rect& image_rect)
: columns(columns),
item_size(item_size),
icon_rect(icon_rect),
label_rect(label_rect),
text_alignment(text_alignment),
image_rect(image_rect) {}
DesktopMediaSourceViewStyle::DesktopMediaSourceViewStyle(
const DesktopMediaSourceViewStyle& style) = default;
DesktopMediaSourceViewStyle& DesktopMediaSourceViewStyle::operator=(
const DesktopMediaSourceViewStyle& style) = default;
DesktopMediaSourceView::DesktopMediaSourceView(
DesktopMediaListView* parent,
DesktopMediaID source_id,
DesktopMediaSourceViewStyle style)
: parent_(parent), source_id_(source_id), selected_(false) {
icon_view_ = AddChildView(std::make_unique<views::ImageView>());
image_view_ = AddChildView(std::make_unique<views::ImageView>());
label_ = AddChildView(std::make_unique<views::Label>());
icon_view_->SetCanProcessEventsWithinSubtree(false);
image_view_->SetCanProcessEventsWithinSubtree(false);
image_view_->SetCornerRadius(
views::LayoutProvider::Get()->GetCornerRadiusMetric(
views::Emphasis::kMedium));
SetFocusBehavior(FocusBehavior::ALWAYS);
SetStyle(style);
views::FocusRing::Install(this);
views::InstallRoundRectHighlightPathGenerator(this, gfx::Insets(),
kCornerRadius);
GetViewAccessibility().SetRole(ax::mojom::Role::kButton);
UpdateAccessibleName();
label_text_changed_callback_ =
label_->AddTextChangedCallback(base::BindRepeating(
&DesktopMediaSourceView::OnLabelTextChanged, base::Unretained(this)));
}
DesktopMediaSourceView::~DesktopMediaSourceView() = default;
void DesktopMediaSourceView::SetName(const std::u16string& name) {
label_->SetText(name);
}
void DesktopMediaSourceView::SetThumbnail(const gfx::ImageSkia& thumbnail) {
image_view_->SetImage(ui::ImageModel::FromImageSkia(thumbnail));
}
void DesktopMediaSourceView::SetIcon(const gfx::ImageSkia& icon) {
icon_view_->SetImage(ui::ImageModel::FromImageSkia(icon));
}
void DesktopMediaSourceView::SetSelected(bool selected) {
if (selected == selected_) {
return;
}
selected_ = selected;
if (selected) {
// Unselect all other sources.
Views neighbours;
parent()->GetViewsInGroup(GetGroup(), &neighbours);
for (auto& neighbour : neighbours) {
if (neighbour != this) {
DCHECK(views::IsViewClass<DesktopMediaSourceView>(neighbour));
DesktopMediaSourceView* source_view =
static_cast<DesktopMediaSourceView*>(neighbour);
source_view->SetSelected(false);
}
}
SetBackground(views::CreateRoundedRectBackground(
GetColorProvider()->GetColor(ui::kColorSysTonalContainer),
kCornerRadius));
label_->SetFontList(label_->font_list().Derive(0, gfx::Font::NORMAL,
gfx::Font::Weight::BOLD));
parent_->OnSelectionChanged();
} else {
SetBackground(nullptr);
label_->SetFontList(label_->font_list().Derive(0, gfx::Font::NORMAL,
gfx::Font::Weight::NORMAL));
}
OnPropertyChanged(&selected_, views::kPropertyEffectsPaint);
}
void DesktopMediaSourceView::SetStyle(DesktopMediaSourceViewStyle style) {
image_view_->SetBoundsRect(style.image_rect);
icon_view_->SetBoundsRect(style.icon_rect);
icon_view_->SetImageSize(style.icon_rect.size());
label_->SetBoundsRect(style.label_rect);
label_->SetHorizontalAlignment(style.text_alignment);
}
bool DesktopMediaSourceView::GetSelected() const {
return selected_;
}
void DesktopMediaSourceView::ClearSelection() {
if (!GetSelected()) {
return;
}
SetSelected(false);
parent_->OnSelectionChanged();
}
views::View* DesktopMediaSourceView::GetSelectedViewForGroup(int group) {
Views neighbours;
parent()->GetViewsInGroup(group, &neighbours);
if (neighbours.empty()) {
return nullptr;
}
for (auto& neighbour : neighbours) {
DCHECK(views::IsViewClass<DesktopMediaSourceView>(neighbour));
DesktopMediaSourceView* source_view =
static_cast<DesktopMediaSourceView*>(neighbour);
if (source_view->selected_) {
return source_view;
}
}
return nullptr;
}
bool DesktopMediaSourceView::IsGroupFocusTraversable() const {
return false;
}
void DesktopMediaSourceView::OnFocus() {
View::OnFocus();
SetSelected(true);
ScrollRectToVisible(gfx::Rect(size()));
}
bool DesktopMediaSourceView::OnMousePressed(const ui::MouseEvent& event) {
RequestFocus();
return true;
}
void DesktopMediaSourceView::OnGestureEvent(ui::GestureEvent* event) {
// Detect tap gesture using EventType::kGestureTapDown so the view also gets
// focused on the long tap (when the tap gesture starts).
if (event->type() == ui::EventType::kGestureTapDown) {
RequestFocus();
event->SetHandled();
}
}
void DesktopMediaSourceView::OnLabelTextChanged() {
UpdateAccessibleName();
}
void DesktopMediaSourceView::UpdateAccessibleName() {
if (label_->GetText().empty()) {
GetViewAccessibility().SetName(l10n_util::GetStringUTF16(
IDS_DESKTOP_MEDIA_SOURCE_EMPTY_ACCESSIBLE_NAME));
} else {
GetViewAccessibility().SetName(std::u16string(label_->GetText()));
}
}
BEGIN_METADATA(DesktopMediaSourceView)
ADD_PROPERTY_METADATA(bool, Selected)
END_METADATA
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