132 lines
4.2 KiB
C++
132 lines
4.2 KiB
C++
// Copyright 2022 The Chromium Embedded Framework Authors.
|
|
// Portions copyright 2015 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "cef/libcef/browser/osr/touch_handle_drawable_osr.h"
|
|
|
|
#include <cmath>
|
|
|
|
#include "cef/libcef/browser/osr/render_widget_host_view_osr.h"
|
|
#include "ui/gfx/geometry/rect_f.h"
|
|
#include "ui/gfx/geometry/size.h"
|
|
|
|
namespace {
|
|
// Copied from touch_handle_drawable_aura.cc
|
|
|
|
// The distance by which a handle image is offset from the focal point (i.e.
|
|
// text baseline) downwards.
|
|
constexpr int kSelectionHandleVerticalVisualOffset = 2;
|
|
|
|
// The padding around the selection handle image can be used to extend the
|
|
// handle so that touch events near the selection handle image are
|
|
// targeted to the selection handle.
|
|
constexpr int kSelectionHandlePadding = 0;
|
|
|
|
} // namespace
|
|
|
|
int CefTouchHandleDrawableOSR::counter_ = 0;
|
|
|
|
CefTouchHandleDrawableOSR::CefTouchHandleDrawableOSR(
|
|
CefRenderWidgetHostViewOSR* rwhv)
|
|
: rwhv_(rwhv), id_(counter_++) {}
|
|
|
|
void CefTouchHandleDrawableOSR::SetEnabled(bool enabled) {
|
|
if (enabled == enabled_) {
|
|
return;
|
|
}
|
|
|
|
enabled_ = enabled;
|
|
|
|
CefTouchHandleState touch_handle_state;
|
|
touch_handle_state.touch_handle_id = id_;
|
|
touch_handle_state.flags = CEF_THS_FLAG_ENABLED;
|
|
touch_handle_state.enabled = enabled_;
|
|
TouchHandleStateChanged(touch_handle_state);
|
|
}
|
|
|
|
void CefTouchHandleDrawableOSR::SetOrientation(
|
|
ui::TouchHandleOrientation orientation,
|
|
bool mirror_vertical,
|
|
bool mirror_horizontal) {
|
|
if (orientation == orientation_) {
|
|
return;
|
|
}
|
|
|
|
orientation_ = orientation;
|
|
|
|
CefSize size;
|
|
auto browser = rwhv_->browser_impl();
|
|
auto handler = browser->GetClient()->GetRenderHandler();
|
|
handler->GetTouchHandleSize(
|
|
browser.get(), static_cast<cef_horizontal_alignment_t>(orientation_),
|
|
size);
|
|
|
|
const gfx::Size& image_size = gfx::Size(size.width, size.height);
|
|
int handle_width = image_size.width() + 2 * kSelectionHandlePadding;
|
|
int handle_height = image_size.height() + 2 * kSelectionHandlePadding;
|
|
relative_bounds_ =
|
|
gfx::RectF(-kSelectionHandlePadding,
|
|
kSelectionHandleVerticalVisualOffset - kSelectionHandlePadding,
|
|
handle_width, handle_height);
|
|
|
|
CefTouchHandleState touch_handle_state;
|
|
touch_handle_state.touch_handle_id = id_;
|
|
touch_handle_state.flags = CEF_THS_FLAG_ORIENTATION;
|
|
touch_handle_state.orientation =
|
|
static_cast<cef_horizontal_alignment_t>(orientation_);
|
|
touch_handle_state.mirror_vertical = mirror_vertical;
|
|
touch_handle_state.mirror_horizontal = mirror_horizontal;
|
|
TouchHandleStateChanged(touch_handle_state);
|
|
}
|
|
|
|
void CefTouchHandleDrawableOSR::SetOrigin(const gfx::PointF& position) {
|
|
if (position == origin_position_) {
|
|
return;
|
|
}
|
|
|
|
origin_position_ = position;
|
|
|
|
CefTouchHandleState touch_handle_state;
|
|
touch_handle_state.touch_handle_id = id_;
|
|
touch_handle_state.flags = CEF_THS_FLAG_ORIGIN;
|
|
touch_handle_state.origin = {static_cast<int>(std::round(position.x())),
|
|
static_cast<int>(std::round(position.y()))};
|
|
TouchHandleStateChanged(touch_handle_state);
|
|
}
|
|
|
|
void CefTouchHandleDrawableOSR::SetAlpha(float alpha) {
|
|
if (alpha == alpha_) {
|
|
return;
|
|
}
|
|
|
|
alpha_ = alpha;
|
|
|
|
CefTouchHandleState touch_handle_state;
|
|
touch_handle_state.touch_handle_id = id_;
|
|
touch_handle_state.flags = CEF_THS_FLAG_ALPHA;
|
|
touch_handle_state.alpha = alpha_;
|
|
TouchHandleStateChanged(touch_handle_state);
|
|
}
|
|
|
|
gfx::RectF CefTouchHandleDrawableOSR::GetVisibleBounds() const {
|
|
gfx::RectF bounds = relative_bounds_;
|
|
bounds.Offset(origin_position_.x(), origin_position_.y());
|
|
bounds.Inset(gfx::InsetsF::TLBR(
|
|
kSelectionHandlePadding,
|
|
kSelectionHandlePadding + kSelectionHandleVerticalVisualOffset,
|
|
kSelectionHandlePadding, kSelectionHandlePadding));
|
|
return bounds;
|
|
}
|
|
|
|
float CefTouchHandleDrawableOSR::GetDrawableHorizontalPaddingRatio() const {
|
|
return 0.0f;
|
|
}
|
|
|
|
void CefTouchHandleDrawableOSR::TouchHandleStateChanged(
|
|
const CefTouchHandleState& state) {
|
|
auto browser = rwhv_->browser_impl();
|
|
auto handler = browser->GetClient()->GetRenderHandler();
|
|
handler->OnTouchHandleStateChanged(browser.get(), state);
|
|
}
|