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content / browser / renderer_host / input / touch_selection_controller_client_aura.cc [blame]
// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/input/touch_selection_controller_client_aura.h"
#include <set>
#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "content/browser/renderer_host/render_widget_host_delegate.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_aura.h"
#include "content/public/browser/context_menu_params.h"
#include "content/public/browser/render_view_host.h"
#include "third_party/blink/public/mojom/input/input_handler.mojom-shared.h"
#include "ui/aura/client/cursor_client.h"
#include "ui/aura/env.h"
#include "ui/aura/window.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/data_transfer_policy/data_transfer_endpoint.h"
#include "ui/base/mojom/menu_source_type.mojom.h"
#include "ui/base/ui_base_features.h"
#include "ui/events/event_observer.h"
#include "ui/gfx/geometry/point_conversions.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/strings/grit/ui_strings.h"
#include "ui/touch_selection/touch_editing_controller.h"
#include "ui/touch_selection/touch_handle_drawable_aura.h"
#include "ui/touch_selection/touch_selection_magnifier_aura.h"
#include "ui/touch_selection/touch_selection_menu_runner.h"
namespace content {
namespace {
// Delay before showing the quick menu, in milliseconds.
constexpr int kQuickMenuDelayInMs = 100;
} // namespace
// An aura::Env event observer that hides touch selection ui on mouse and
// keyboard events, including those targeting windows outside the client.
class TouchSelectionControllerClientAura::EnvEventObserver
: public ui::EventObserver {
public:
EnvEventObserver(ui::TouchSelectionController* selection_controller,
aura::Window* window)
: selection_controller_(selection_controller), window_(window) {
// Observe certain event types sent to any event target, to hide this ui.
aura::Env* env = aura::Env::GetInstance();
std::set<ui::EventType> types = {
ui::EventType::kMousePressed, ui::EventType::kMouseMoved,
ui::EventType::kKeyPressed, ui::EventType::kMousewheel};
env->AddEventObserver(this, env, types);
}
EnvEventObserver(const EnvEventObserver&) = delete;
EnvEventObserver& operator=(const EnvEventObserver&) = delete;
~EnvEventObserver() override {
aura::Env::GetInstance()->RemoveEventObserver(this);
}
private:
// ui::EventObserver:
void OnEvent(const ui::Event& event) override {
DCHECK_NE(ui::TouchSelectionController::INACTIVE,
selection_controller_->active_status());
if (event.IsMouseEvent()) {
// Check IsMouseEventsEnabled, except on Mus, where it's disabled on touch
// events in this client, but not re-enabled on mouse events elsewhere.
auto* cursor = aura::client::GetCursorClient(window_->GetRootWindow());
if (cursor && !cursor->IsMouseEventsEnabled())
return;
// Windows OS unhandled WM_POINTER* may be redispatched as WM_MOUSE*.
// Avoid adjusting the handles on synthesized events or events generated
// from touch as this can clear an active selection generated by the pen.
if ((event.flags() & (ui::EF_IS_SYNTHESIZED | ui::EF_FROM_TOUCH)) ||
event.AsMouseEvent()->pointer_details().pointer_type ==
ui::EventPointerType::kPen) {
return;
}
}
selection_controller_->OnSessionEndEvent(event);
}
raw_ptr<ui::TouchSelectionController> selection_controller_;
raw_ptr<aura::Window> window_;
};
TouchSelectionControllerClientAura::TouchSelectionControllerClientAura(
RenderWidgetHostViewAura* rwhva)
: rwhva_(rwhva),
internal_client_(rwhva),
active_client_(&internal_client_),
active_menu_client_(this),
quick_menu_timer_(FROM_HERE,
base::Milliseconds(kQuickMenuDelayInMs),
base::BindRepeating(
&TouchSelectionControllerClientAura::ShowQuickMenu,
base::Unretained(this))),
quick_menu_requested_(false),
touch_down_(false),
scroll_in_progress_(false),
handle_drag_in_progress_(false),
show_quick_menu_immediately_for_test_(false) {
DCHECK(rwhva_);
}
TouchSelectionControllerClientAura::~TouchSelectionControllerClientAura() {
for (auto& observer : observers_)
observer.OnManagerWillDestroy(this);
}
void TouchSelectionControllerClientAura::OnWindowMoved() {
UpdateQuickMenu();
}
void TouchSelectionControllerClientAura::OnTouchDown() {
touch_down_ = true;
UpdateQuickMenu();
}
void TouchSelectionControllerClientAura::OnTouchUp() {
touch_down_ = false;
UpdateQuickMenu();
}
void TouchSelectionControllerClientAura::OnScrollStarted() {
scroll_in_progress_ = true;
rwhva_->selection_controller()->SetTemporarilyHidden(true);
UpdateQuickMenu();
}
void TouchSelectionControllerClientAura::OnScrollCompleted() {
scroll_in_progress_ = false;
active_client_->DidScroll();
rwhva_->selection_controller()->SetTemporarilyHidden(false);
UpdateQuickMenu();
}
bool TouchSelectionControllerClientAura::HandleContextMenu(
const ContextMenuParams& params) {
if ((params.source_type == ui::mojom::MenuSourceType::kLongPress ||
params.source_type == ui::mojom::MenuSourceType::kLongTap) &&
params.is_editable && params.selection_text.empty() &&
IsQuickMenuAvailable()) {
quick_menu_requested_ = true;
UpdateQuickMenu();
return true;
}
if (::features::IsTouchTextEditingRedesignEnabled() &&
params.source_type == ui::mojom::MenuSourceType::kTouch &&
params.is_editable && params.selection_text.empty()) {
if (IsQuickMenuAvailable()) {
// The selection controller might have been reset between the last
// selection bound update and the current context menu event (e.g. if
// handles were hidden because the mouse moved). In this case, re-notify
// the selection controller of the most recently used selection bounds and
// show the handles and menu at these bounds.
if (rwhva_->selection_controller()->active_status() ==
ui::TouchSelectionController::INACTIVE) {
rwhva_->selection_controller()->OnSelectionBoundsChanged(
manager_selection_start_, manager_selection_end_);
}
quick_menu_requested_ = !quick_menu_requested_;
} else {
rwhva_->selection_controller()->HideAndDisallowShowingAutomatically();
quick_menu_requested_ = false;
}
UpdateQuickMenu();
return true;
}
const bool from_touch =
params.source_type == ui::mojom::MenuSourceType::kLongPress ||
params.source_type == ui::mojom::MenuSourceType::kLongTap ||
params.source_type == ui::mojom::MenuSourceType::kTouch;
if (from_touch && !params.selection_text.empty())
return true;
rwhva_->selection_controller()->HideAndDisallowShowingAutomatically();
return false;
}
void TouchSelectionControllerClientAura::DidStopFlinging() {
OnScrollCompleted();
}
void TouchSelectionControllerClientAura::OnSwipeToMoveCursorBegin() {
GetTouchSelectionController()->OnSwipeToMoveCursorBegin();
OnSelectionEvent(ui::INSERTION_HANDLE_DRAG_STARTED);
}
void TouchSelectionControllerClientAura::OnSwipeToMoveCursorEnd() {
GetTouchSelectionController()->OnSwipeToMoveCursorEnd();
OnSelectionEvent(ui::INSERTION_HANDLE_DRAG_STOPPED);
}
void TouchSelectionControllerClientAura::OnClientHitTestRegionUpdated(
ui::TouchSelectionControllerClient* client) {
if (client != active_client_ || !GetTouchSelectionController() ||
GetTouchSelectionController()->active_status() ==
ui::TouchSelectionController::INACTIVE) {
return;
}
active_client_->DidScroll();
}
void TouchSelectionControllerClientAura::UpdateClientSelectionBounds(
const gfx::SelectionBound& start,
const gfx::SelectionBound& end) {
UpdateClientSelectionBounds(start, end, &internal_client_, this);
}
void TouchSelectionControllerClientAura::UpdateClientSelectionBounds(
const gfx::SelectionBound& start,
const gfx::SelectionBound& end,
ui::TouchSelectionControllerClient* client,
ui::TouchSelectionMenuClient* menu_client) {
if (client != active_client_ && (!start.HasHandle() || !start.visible()) &&
(!end.HasHandle() || !end.visible()) &&
(manager_selection_start_.HasHandle() ||
manager_selection_end_.HasHandle())) {
return;
}
active_client_ = client;
active_menu_client_ = menu_client;
manager_selection_start_ = start;
manager_selection_end_ = end;
// Notify TouchSelectionController if anything should change here. Only
// update if the client is different and not making a change to empty, or
// is the same client.
GetTouchSelectionController()->OnSelectionBoundsChanged(start, end);
}
void TouchSelectionControllerClientAura::InvalidateClient(
ui::TouchSelectionControllerClient* client) {
DCHECK(client != &internal_client_);
if (client == active_client_) {
GetTouchSelectionController()->HideAndDisallowShowingAutomatically();
active_client_ = &internal_client_;
active_menu_client_ = this;
}
}
ui::TouchSelectionController*
TouchSelectionControllerClientAura::GetTouchSelectionController() {
return rwhva_->selection_controller();
}
void TouchSelectionControllerClientAura::AddObserver(
TouchSelectionControllerClientManager::Observer* observer) {
observers_.AddObserver(observer);
}
void TouchSelectionControllerClientAura::RemoveObserver(
TouchSelectionControllerClientManager::Observer* observer) {
observers_.RemoveObserver(observer);
}
bool TouchSelectionControllerClientAura::IsQuickMenuAvailable() const {
return ui::TouchSelectionMenuRunner::GetInstance() &&
ui::TouchSelectionMenuRunner::GetInstance()->IsMenuAvailable(
active_menu_client_);
}
void TouchSelectionControllerClientAura::ShowQuickMenu() {
if (!ui::TouchSelectionMenuRunner::GetInstance())
return;
// Don't show the menu if the selection bounds are zero, since this usually
// means that touch selection is not active or that there is no cursor or
// selection.
if (::features::IsTouchTextEditingRedesignEnabled() &&
rwhva_->selection_controller()->GetRectBetweenBounds() == gfx::RectF()) {
return;
}
gfx::Rect anchor_rect = gfx::ToRoundedRect(
rwhva_->selection_controller()->GetVisibleRectBetweenBounds());
// Clip the anchor rect to the rwhva bounds and only show the menu if there is
// at least some (possibly zero-area) overlap. We use `InclusiveIntersect`
// rather than checking `IsEmpty` here, since we might want to show the menu
// even if the anchor rect is empty (e.g. zero-width caret).
if (!anchor_rect.InclusiveIntersect(rwhva_->GetNativeView()->bounds())) {
return;
}
gfx::SizeF max_handle_size =
rwhva_->selection_controller()->GetStartHandleRect().size();
max_handle_size.SetToMax(
rwhva_->selection_controller()->GetEndHandleRect().size());
ui::TouchSelectionMenuRunner::GetInstance()->OpenMenu(
active_menu_client_->GetWeakPtr(),
rwhva_->ConvertRectToScreen(anchor_rect),
gfx::ToRoundedSize(max_handle_size),
rwhva_->GetNativeView()->GetToplevelWindow());
}
void TouchSelectionControllerClientAura::UpdateQuickMenu() {
bool menu_is_showing =
ui::TouchSelectionMenuRunner::GetInstance() &&
ui::TouchSelectionMenuRunner::GetInstance()->IsRunning();
// Hide the quick menu if there is any. This should happen even if the menu
// should be shown again, in order to update its location or content.
if (menu_is_showing)
ui::TouchSelectionMenuRunner::GetInstance()->CloseMenu();
else
quick_menu_timer_.Stop();
// Start timer to show quick menu if necessary.
if (ShouldShowQuickMenu()) {
if (show_quick_menu_immediately_for_test_)
ShowQuickMenu();
else
quick_menu_timer_.Reset();
}
}
void TouchSelectionControllerClientAura::ShowMagnifier() {
if (!::features::IsTouchTextEditingRedesignEnabled()) {
return;
}
aura::Window* context = rwhva_->GetNativeView();
aura::Window* root_window = context->GetRootWindow();
DCHECK(root_window);
if (!touch_selection_magnifier_) {
touch_selection_magnifier_ =
std::make_unique<ui::TouchSelectionMagnifierAura>();
}
DCHECK_NE(GetTouchSelectionController()->active_status(),
ui::TouchSelectionController::INACTIVE);
const gfx::SelectionBound& focus_bound_in_context =
GetTouchSelectionController()->GetFocusBound();
// Convert focus bound to root window coordinates.
gfx::Point focus_start = focus_bound_in_context.edge_start_rounded();
gfx::Point focus_end = focus_bound_in_context.edge_end_rounded();
aura::Window::ConvertPointToTarget(context, root_window, &focus_start);
aura::Window::ConvertPointToTarget(context, root_window, &focus_end);
touch_selection_magnifier_->ShowFocusBound(root_window->layer(), focus_start,
focus_end);
}
void TouchSelectionControllerClientAura::HideMagnifier() {
touch_selection_magnifier_ = nullptr;
}
bool TouchSelectionControllerClientAura::SupportsAnimation() const {
// We don't pass this to the active client, since it is assumed it will have
// the same behaviour as the Aura client.
return false;
}
bool TouchSelectionControllerClientAura::InternalClient::SupportsAnimation()
const {
NOTREACHED_IN_MIGRATION();
return false;
}
void TouchSelectionControllerClientAura::SetNeedsAnimate() {
NOTREACHED_IN_MIGRATION();
}
void TouchSelectionControllerClientAura::InternalClient::SetNeedsAnimate() {
NOTREACHED_IN_MIGRATION();
}
void TouchSelectionControllerClientAura::MoveCaret(
const gfx::PointF& position) {
active_client_->MoveCaret(position);
}
void TouchSelectionControllerClientAura::InternalClient::MoveCaret(
const gfx::PointF& position) {
RenderWidgetHostDelegate* host_delegate = rwhva_->host()->delegate();
if (host_delegate)
host_delegate->MoveCaret(gfx::ToRoundedPoint(position));
}
void TouchSelectionControllerClientAura::MoveRangeSelectionExtent(
const gfx::PointF& extent) {
active_client_->MoveRangeSelectionExtent(extent);
}
void TouchSelectionControllerClientAura::InternalClient::
MoveRangeSelectionExtent(const gfx::PointF& extent) {
RenderWidgetHostDelegate* host_delegate = rwhva_->host()->delegate();
if (host_delegate)
host_delegate->MoveRangeSelectionExtent(gfx::ToRoundedPoint(extent));
}
void TouchSelectionControllerClientAura::SelectBetweenCoordinates(
const gfx::PointF& base,
const gfx::PointF& extent) {
active_client_->SelectBetweenCoordinates(base, extent);
}
void TouchSelectionControllerClientAura::InternalClient::
SelectBetweenCoordinates(const gfx::PointF& base,
const gfx::PointF& extent) {
RenderWidgetHostDelegate* host_delegate = rwhva_->host()->delegate();
if (host_delegate) {
host_delegate->SelectRange(gfx::ToRoundedPoint(base),
gfx::ToRoundedPoint(extent));
}
}
void TouchSelectionControllerClientAura::OnSelectionEvent(
ui::SelectionEventType event) {
// This function (implicitly) uses active_menu_client_, so we don't go to the
// active view for this.
switch (event) {
case ui::SELECTION_HANDLES_SHOWN:
quick_menu_requested_ = true;
[[fallthrough]];
case ui::INSERTION_HANDLE_SHOWN:
UpdateQuickMenu();
env_event_observer_ = std::make_unique<EnvEventObserver>(
rwhva_->selection_controller(), rwhva_->GetNativeView());
break;
case ui::SELECTION_HANDLES_CLEARED:
case ui::INSERTION_HANDLE_CLEARED:
env_event_observer_.reset();
quick_menu_requested_ = false;
UpdateQuickMenu();
break;
case ui::SELECTION_HANDLE_DRAG_STARTED:
case ui::INSERTION_HANDLE_DRAG_STARTED:
handle_drag_in_progress_ = true;
UpdateQuickMenu();
break;
case ui::SELECTION_HANDLE_DRAG_STOPPED:
case ui::INSERTION_HANDLE_DRAG_STOPPED:
handle_drag_in_progress_ = false;
UpdateQuickMenu();
HideMagnifier();
break;
case ui::SELECTION_HANDLES_MOVED:
case ui::INSERTION_HANDLE_MOVED:
UpdateQuickMenu();
if (handle_drag_in_progress_) {
ShowMagnifier();
}
break;
case ui::INSERTION_HANDLE_TAPPED:
quick_menu_requested_ = !quick_menu_requested_;
UpdateQuickMenu();
break;
}
}
void TouchSelectionControllerClientAura::InternalClient::OnSelectionEvent(
ui::SelectionEventType event) {
NOTREACHED_IN_MIGRATION();
}
void TouchSelectionControllerClientAura::OnDragUpdate(
const ui::TouchSelectionDraggable::Type type,
const gfx::PointF& position) {}
void TouchSelectionControllerClientAura::InternalClient::OnDragUpdate(
const ui::TouchSelectionDraggable::Type type,
const gfx::PointF& position) {
NOTREACHED_IN_MIGRATION();
}
std::unique_ptr<ui::TouchHandleDrawable>
TouchSelectionControllerClientAura::CreateDrawable() {
// This function is purely related to the top-level view's window, so it
// is always handled here and never in
// TouchSelectionControllerClientChildFrame.
return std::unique_ptr<ui::TouchHandleDrawable>(
new ui::TouchHandleDrawableAura(rwhva_->GetNativeView()));
}
void TouchSelectionControllerClientAura::DidScroll() {}
std::unique_ptr<ui::TouchHandleDrawable>
TouchSelectionControllerClientAura::InternalClient::CreateDrawable() {
NOTREACHED_IN_MIGRATION();
return nullptr;
}
// Since the top-level client can only ever have its selection position changed
// by a mainframe scroll, or an actual change in the selection, and since both
// of these will initiate a compositor frame and thus the regular update
// process, there is nothing to do here.
void TouchSelectionControllerClientAura::InternalClient::DidScroll() {}
bool TouchSelectionControllerClientAura::IsCommandIdEnabled(
int command_id) const {
bool editable = rwhva_->GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE;
bool readable = rwhva_->GetTextInputType() != ui::TEXT_INPUT_TYPE_PASSWORD;
bool has_selection = !rwhva_->GetSelectedText().empty();
switch (command_id) {
case ui::TouchEditable::kCut:
return editable && readable && has_selection;
case ui::TouchEditable::kCopy:
return readable && has_selection;
case ui::TouchEditable::kPaste: {
std::u16string result;
ui::DataTransferEndpoint data_dst = ui::DataTransferEndpoint(
ui::EndpointType::kDefault, {.notify_if_restricted = false});
ui::Clipboard::GetForCurrentThread()->ReadText(
ui::ClipboardBuffer::kCopyPaste, &data_dst, &result);
return editable && !result.empty();
}
case ui::TouchEditable::kSelectAll: {
gfx::Range text_range;
if (rwhva_->GetTextRange(&text_range)) {
return text_range.length() > rwhva_->GetSelectedText().length();
}
return true;
}
case ui::TouchEditable::kSelectWord: {
gfx::Range text_range;
if (rwhva_->GetTextRange(&text_range)) {
return readable && !has_selection && !text_range.is_empty();
}
return readable && !has_selection;
}
default:
return false;
}
}
void TouchSelectionControllerClientAura::ExecuteCommand(int command_id,
int event_flags) {
const bool should_dismiss_handles =
command_id != ui::TouchEditable::kSelectAll &&
command_id != ui::TouchEditable::kSelectWord;
rwhva_->selection_controller()->OnMenuCommand(should_dismiss_handles);
RenderWidgetHostDelegate* host_delegate = rwhva_->host()->delegate();
if (!host_delegate)
return;
switch (command_id) {
case ui::TouchEditable::kCut:
host_delegate->Cut();
break;
case ui::TouchEditable::kCopy:
host_delegate->Copy();
break;
case ui::TouchEditable::kPaste:
host_delegate->Paste();
break;
case ui::TouchEditable::kSelectAll:
host_delegate->SelectAll();
break;
case ui::TouchEditable::kSelectWord:
host_delegate->SelectAroundCaret(
blink::mojom::SelectionGranularity::kWord,
/*should_show_handle=*/true,
/*should_show_context_menu=*/false);
break;
default:
NOTREACHED_IN_MIGRATION();
break;
}
}
void TouchSelectionControllerClientAura::RunContextMenu() {
gfx::RectF anchor_rect =
rwhva_->selection_controller()->GetVisibleRectBetweenBounds();
gfx::PointF anchor_point =
gfx::PointF(anchor_rect.CenterPoint().x(), anchor_rect.y());
RenderWidgetHostImpl* host = rwhva_->host();
host->ShowContextMenuAtPoint(gfx::ToRoundedPoint(anchor_point),
ui::mojom::MenuSourceType::kTouchEditMenu);
// Hide selection handles after getting rect-between-bounds from touch
// selection controller; otherwise, rect would be empty and the above
// calculations would be invalid.
rwhva_->selection_controller()->HideAndDisallowShowingAutomatically();
}
bool TouchSelectionControllerClientAura::ShouldShowQuickMenu() {
return quick_menu_requested_ && !touch_down_ && !scroll_in_progress_ &&
!handle_drag_in_progress_ && IsQuickMenuAvailable();
}
std::u16string TouchSelectionControllerClientAura::GetSelectedText() {
return rwhva_->GetSelectedText();
}
} // namespace content