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// Copyright 2023 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/webui/ash/mako/mako_rewrite_view.h"
#include "ash/constants/ash_features.h"
#include "chrome/common/chrome_render_frame.mojom.h"
#include "components/input/native_web_keyboard_event.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
#include "third_party/blink/public/mojom/page/draggable_region.mojom.h"
#include "ui/aura/window.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/display/screen.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
namespace ash {
namespace {
constexpr int kMakoAnchorVerticalPadding = 16;
constexpr int kMakoScreenEdgePadding = 16;
constexpr int kMakoRewriteCornerRadius = 20;
constexpr int kMakoInitialWidth = 440;
constexpr int kMakoInitialHeight = 343;
// Height threshold of the mako rewrite UI which determines its screen position.
// Tall UI is centered on the display screen containing the caret, while short
// UI is anchored at the caret.
constexpr int kMakoRewriteHeightThreshold = 400;
// Compute initial widget bounds.
gfx::Rect ComputeInitialWidgetBounds(gfx::Rect caret_bounds,
gfx::Insets inset,
bool can_fallback_to_center_position) {
gfx::Rect screen_work_area = display::Screen::GetScreen()
->GetDisplayMatching(caret_bounds)
.work_area();
screen_work_area.Inset(kMakoScreenEdgePadding);
gfx::Size initial_size = gfx::Size(kMakoInitialWidth, kMakoInitialHeight);
// Otherwise, try to place it under at the bottom left of the selection.
gfx::Rect anchor = caret_bounds;
anchor.Outset(gfx::Outsets::VH(kMakoAnchorVerticalPadding, 0));
gfx::Rect mako_contents_bounds =
can_fallback_to_center_position &&
(caret_bounds == gfx::Rect() ||
!screen_work_area.Contains(caret_bounds))
? gfx::Rect(screen_work_area.x() + screen_work_area.width() / 2 -
initial_size.width() / 2,
screen_work_area.y() + screen_work_area.height() / 2 -
initial_size.height() / 2,
initial_size.width(), initial_size.height())
: gfx::Rect(anchor.bottom_left(), initial_size);
// If horizontally offscreen, just move it to the right edge of the screen.
if (mako_contents_bounds.right() > screen_work_area.right()) {
mako_contents_bounds.set_x(screen_work_area.right() - initial_size.width());
}
// If vertically offscreen, try above the selection.
if (mako_contents_bounds.bottom() > screen_work_area.bottom()) {
mako_contents_bounds.set_y(anchor.y() - initial_size.height());
}
// If still vertically offscreen, just move it to the bottom of the screen.
if (mako_contents_bounds.y() < screen_work_area.y()) {
mako_contents_bounds.set_y(screen_work_area.bottom() -
initial_size.height());
}
// Compute widget bounds, which includes the border and shadow around the main
// contents. Then, adjust again to ensure the whole widget is onscreen.
gfx::Rect widget_bounds(mako_contents_bounds);
widget_bounds.Inset(inset);
widget_bounds.AdjustToFit(screen_work_area);
return widget_bounds;
}
} // namespace
MakoRewriteView::MakoRewriteView(WebUIContentsWrapper* contents_wrapper,
const gfx::Rect& caret_bounds,
bool can_fallback_to_center_position)
: DraggableBubbleDialogView(contents_wrapper),
caret_bounds_(caret_bounds),
can_fallback_to_center_position_(can_fallback_to_center_position) {
set_has_parent(false);
set_corner_radius(kMakoRewriteCornerRadius);
// Disable the default offscreen adjustment so that we can customise it.
set_adjust_if_offscreen(false);
resizing_initialized_ = false;
}
MakoRewriteView::~MakoRewriteView() = default;
// TODO(b/321585827): Remove MakoRewriteView::ResizeDueToAutoResize() once
// resizing support is lanched.
void MakoRewriteView::ResizeDueToAutoResize(content::WebContents* source,
const gfx::Size& new_size) {
// When resizing support is enabled, we should only correct widget bounds
// during ShowUI().
if (base::FeatureList::IsEnabled(ash::features::kOrcaResizingSupport)) {
return;
}
WebUIBubbleDialogView::ResizeDueToAutoResize(source, new_size);
gfx::Rect screen_work_area = display::Screen::GetScreen()
->GetDisplayMatching(caret_bounds_)
.work_area();
screen_work_area.Inset(kMakoScreenEdgePadding);
// If the contents is very tall, just place it at the center of the screen.
if (new_size.height() > kMakoRewriteHeightThreshold) {
SetArrowWithoutResizing(views::BubbleBorder::FLOAT);
SetAnchorRect(screen_work_area);
return;
}
// Otherwise, try to place it under at the bottom left of the selection.
gfx::Rect anchor = caret_bounds_;
anchor.Outset(gfx::Outsets::VH(kMakoAnchorVerticalPadding, 0));
gfx::Rect mako_contents_bounds =
can_fallback_to_center_position_ &&
(caret_bounds_ == gfx::Rect() ||
!screen_work_area.Contains(caret_bounds_))
? gfx::Rect(screen_work_area.x() + screen_work_area.width() / 2 -
new_size.width() / 2,
screen_work_area.y() + screen_work_area.height() / 2 -
new_size.height() / 2,
new_size.width(), new_size.height())
: gfx::Rect(anchor.bottom_left(), new_size);
// If horizontally offscreen, just move it to the right edge of the screen.
if (mako_contents_bounds.right() > screen_work_area.right()) {
mako_contents_bounds.set_x(screen_work_area.right() - new_size.width());
}
// If vertically offscreen, try above the selection.
if (mako_contents_bounds.bottom() > screen_work_area.bottom()) {
mako_contents_bounds.set_y(anchor.y() - new_size.height());
}
// If still vertically offscreen, just move it to the bottom of the screen.
if (mako_contents_bounds.y() < screen_work_area.y()) {
mako_contents_bounds.set_y(screen_work_area.bottom() - new_size.height());
}
// Compute widget bounds, which includes the border and shadow around the main
// contents. Then, adjust again to ensure the whole widget is onscreen.
gfx::Rect widget_bounds(mako_contents_bounds);
widget_bounds.Inset(-GetBubbleFrameView()->bubble_border()->GetInsets());
widget_bounds.AdjustToFit(screen_work_area);
GetWidget()->SetBounds(widget_bounds);
}
void MakoRewriteView::SetContentsBounds(content::WebContents* source,
const gfx::Rect& bounds) {
if (views::WebView* web_view_ptr = web_view()) {
web_view_ptr->SetPreferredSize(bounds.size());
}
GetWidget()->SetBounds(bounds);
content_bounds_updated_by_webui_ = true;
}
void MakoRewriteView::ShowUI() {
WebUIBubbleDialogView::ShowUI();
// TODO(b/321585877): Remove feature flag for dragging support.
if (base::FeatureList::IsEnabled(ash::features::kOrcaDraggingSupport)) {
SetupDraggingSupport();
}
if (base::FeatureList::IsEnabled(ash::features::kOrcaResizingSupport)) {
SetupResizingSupport();
}
content_bounds_updated_by_webui_ = false;
}
bool MakoRewriteView::IsDraggingEnabled() {
// Once the content bounds is updated by Web UI, we should stop resizing
// support. This is currently used by Feedback UI.
if (content_bounds_updated_by_webui_) {
return false;
}
return base::FeatureList::IsEnabled(ash::features::kOrcaDraggingSupport);
}
bool MakoRewriteView::IsResizingEnabled() {
// Once the content bounds is updated by Web UI, we should stop resizing
// support. This is currently used by Feedback UI.
if (content_bounds_updated_by_webui_) {
return false;
}
return base::FeatureList::IsEnabled(ash::features::kOrcaResizingSupport);
}
bool MakoRewriteView::HandleKeyboardEvent(
content::WebContents* source,
const input::NativeWebKeyboardEvent& event) {
if (event.GetType() == input::NativeWebKeyboardEvent::Type::kRawKeyDown &&
event.dom_key == ui::DomKey::ESCAPE) {
return true;
}
return WebUIBubbleDialogView::HandleKeyboardEvent(source, event);
}
void MakoRewriteView::SetupResizingSupport() {
// This avoids setting initial bounds twice.
if (resizing_initialized_) {
return;
}
// When orca resizing support is enabled, there will be no
// `ResizeDueToAutoResize` callback and thus we need to setup widget bounds
// here as part of ShowUI.
GetWidget()->SetBounds(ComputeInitialWidgetBounds(
caret_bounds_, -GetBubbleFrameView()->bubble_border()->GetInsets(),
can_fallback_to_center_position_));
resizing_initialized_ = true;
}
BEGIN_METADATA(MakoRewriteView)
END_METADATA
} // namespace ash
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