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Diffstat (limited to 'src/core/touch_selection_controller_client_qt.cpp')
| -rw-r--r-- | src/core/touch_selection_controller_client_qt.cpp | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/src/core/touch_selection_controller_client_qt.cpp b/src/core/touch_selection_controller_client_qt.cpp new file mode 100644 index 000000000..befee6aaf --- /dev/null +++ b/src/core/touch_selection_controller_client_qt.cpp @@ -0,0 +1,327 @@ +// Copyright (C) 2018 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#include "render_widget_host_view_qt.h" +#include "touch_handle_drawable_qt.h" +#include "touch_handle_drawable_client.h" +#include "touch_selection_controller_client_qt.h" +#include "touch_selection_menu_controller.h" +#include "type_conversion.h" +#include "web_contents_adapter.h" +#include "web_contents_adapter_client.h" + +#include "content/browser/renderer_host/render_frame_host_impl.h" +#include "content/browser/renderer_host/render_widget_host_impl.h" +#include "ui/gfx/geometry/size_conversions.h" + +#include <QClipboard> +#include <QGuiApplication> + +namespace QtWebEngineCore { + +TouchSelectionControllerClientQt::TouchSelectionControllerClientQt(RenderWidgetHostViewQt *rwhv) + : m_rwhv(rwhv) + , m_menuController(new TouchSelectionMenuController(this)) + , m_menuShowing(false) + , m_menuRequested(false) + , m_touchDown(false) + , m_scrollInProgress(false) + , m_handleDragInProgress(false) +{ + Q_ASSERT(rwhv); +} + +TouchSelectionControllerClientQt::~TouchSelectionControllerClientQt() +{ +} + +bool TouchSelectionControllerClientQt::handleContextMenu(const content::ContextMenuParams& params) +{ + if ((params.source_type == ui::MENU_SOURCE_LONG_PRESS || + params.source_type == ui::MENU_SOURCE_LONG_TAP) && + params.is_editable && params.selection_text.empty()) { + m_menuRequested = true; + updateMenu(); + return true; + } + + const bool from_touch = params.source_type == ui::MENU_SOURCE_LONG_PRESS || + params.source_type == ui::MENU_SOURCE_LONG_TAP || + params.source_type == ui::MENU_SOURCE_TOUCH; + if (from_touch && !params.selection_text.empty()) + return true; + + GetTouchSelectionController()->HideAndDisallowShowingAutomatically(); + return false; +} + +void TouchSelectionControllerClientQt::onTouchDown() +{ + m_touchDown = true; + updateMenu(); +} + +void TouchSelectionControllerClientQt::onTouchUp() +{ + m_touchDown = false; + updateMenu(); +} + +void TouchSelectionControllerClientQt::onScrollBegin() +{ + m_scrollInProgress = true; + GetTouchSelectionController()->SetTemporarilyHidden(true); + updateMenu(); +} + +void TouchSelectionControllerClientQt::onScrollEnd() +{ + m_scrollInProgress = false; + GetTouchSelectionController()->SetTemporarilyHidden(false); + updateMenu(); +} + +bool TouchSelectionControllerClientQt::IsCommandIdEnabled(int command_id) const +{ + bool editable = m_rwhv->getTextInputType() != ui::TEXT_INPUT_TYPE_NONE; + bool readable = m_rwhv->getTextInputType() != ui::TEXT_INPUT_TYPE_PASSWORD; + bool hasSelection = !m_rwhv->GetSelectedText().empty(); + + switch (command_id) { + case TouchSelectionMenuController::Cut: + return editable && readable && hasSelection; + case TouchSelectionMenuController::Copy: + return readable && hasSelection; + case TouchSelectionMenuController::Paste: + return editable && !QGuiApplication::clipboard()->text().isEmpty(); + default: + return false; + } +} + +void TouchSelectionControllerClientQt::ExecuteCommand(int command_id, int event_flags) +{ + Q_UNUSED(event_flags); + GetTouchSelectionController()->HideAndDisallowShowingAutomatically(); + + WebContentsAdapterClient *adapterClient = m_rwhv->adapterClient(); + Q_ASSERT(adapterClient); + WebContentsAdapter *adapter = adapterClient->webContentsAdapter(); + Q_ASSERT(adapter); + + switch (command_id) { + case TouchSelectionMenuController::Cut: + adapter->cut(); + break; + case TouchSelectionMenuController::Copy: + adapter->copy(); + break; + case TouchSelectionMenuController::Paste: + adapter->paste(); + break; + default: + NOTREACHED(); + break; + } +} + +void TouchSelectionControllerClientQt::RunContextMenu() +{ + gfx::RectF anchorRect = GetTouchSelectionController()->GetRectBetweenBounds(); + gfx::PointF anchorPoint = gfx::PointF(anchorRect.CenterPoint().x(), anchorRect.y()); + + content::RenderWidgetHostImpl *host = m_rwhv->host(); + host->ShowContextMenuAtPoint(gfx::ToRoundedPoint(anchorPoint), + ui::MENU_SOURCE_TOUCH_EDIT_MENU); + + // Hide selection handles after getting rect-between-bounds from touch + // selection controller; otherwise, rect would be empty and the above + // calculations would be invalid. + GetTouchSelectionController()->HideAndDisallowShowingAutomatically(); +} + +void TouchSelectionControllerClientQt::DidStopFlinging() +{ + onScrollEnd(); +} + +void TouchSelectionControllerClientQt::UpdateClientSelectionBounds(const gfx::SelectionBound& start, + const gfx::SelectionBound& end) +{ + UpdateClientSelectionBounds(start, end, this, this); +} + +void TouchSelectionControllerClientQt::UpdateClientSelectionBounds(const gfx::SelectionBound& start, + const gfx::SelectionBound& end, + ui::TouchSelectionControllerClient* client, + ui::TouchSelectionMenuClient* menu_client) +{ + Q_UNUSED(client); + Q_UNUSED(menu_client); + + GetTouchSelectionController()->OnSelectionBoundsChanged(start, end); +} + +void TouchSelectionControllerClientQt::InvalidateClient(ui::TouchSelectionControllerClient* client) +{ + Q_UNUSED(client); +} + +ui::TouchSelectionController* TouchSelectionControllerClientQt::GetTouchSelectionController() +{ + return m_rwhv->getTouchSelectionController(); +} + +void TouchSelectionControllerClientQt::AddObserver(Observer* observer) +{ + Q_UNUSED(observer); +} + +void TouchSelectionControllerClientQt::RemoveObserver(Observer* observer) +{ + Q_UNUSED(observer); +} + +bool TouchSelectionControllerClientQt::SupportsAnimation() const +{ + return false; +} + +void TouchSelectionControllerClientQt::SetNeedsAnimate() +{ + NOTREACHED(); +} + +void TouchSelectionControllerClientQt::MoveCaret(const gfx::PointF& position) +{ + auto *frameWidgetInputHandler = m_rwhv->getFrameWidgetInputHandler(); + if (!frameWidgetInputHandler) + return; + + frameWidgetInputHandler->MoveCaret(gfx::ToRoundedPoint(position)); +} + +void TouchSelectionControllerClientQt::MoveRangeSelectionExtent(const gfx::PointF& extent) +{ + auto *frameWidgetInputHandler = m_rwhv->getFrameWidgetInputHandler(); + if (!frameWidgetInputHandler) + return; + + frameWidgetInputHandler->MoveRangeSelectionExtent(gfx::ToRoundedPoint(extent)); +} + +void TouchSelectionControllerClientQt::SelectBetweenCoordinates(const gfx::PointF& base, const gfx::PointF& extent) +{ + auto *frameWidgetInputHandler = m_rwhv->getFrameWidgetInputHandler(); + if (!frameWidgetInputHandler) + return; + + frameWidgetInputHandler->SelectRange(gfx::ToRoundedPoint(base), gfx::ToRoundedPoint(extent)); +} + +void TouchSelectionControllerClientQt::OnSelectionEvent(ui::SelectionEventType event) +{ + switch (event) { + case ui::SELECTION_HANDLES_SHOWN: + m_menuRequested = true; + break; + case ui::INSERTION_HANDLE_SHOWN: + break; + case ui::SELECTION_HANDLES_CLEARED: + case ui::INSERTION_HANDLE_CLEARED: + m_menuRequested = false; + break; + case ui::SELECTION_HANDLE_DRAG_STARTED: + case ui::INSERTION_HANDLE_DRAG_STARTED: + m_handleDragInProgress = true; + break; + case ui::SELECTION_HANDLE_DRAG_STOPPED: + case ui::INSERTION_HANDLE_DRAG_STOPPED: + m_handleDragInProgress = false; + break; + case ui::SELECTION_HANDLES_MOVED: + case ui::INSERTION_HANDLE_MOVED: + break; + case ui::INSERTION_HANDLE_TAPPED: + m_menuRequested = !m_menuRequested; + break; + } + + updateMenu(); +} + +void TouchSelectionControllerClientQt::OnDragUpdate(const ui::TouchSelectionDraggable::Type type, const gfx::PointF& position) +{ + Q_UNUSED(type); + Q_UNUSED(position); +} + +std::unique_ptr<ui::TouchHandleDrawable> TouchSelectionControllerClientQt::CreateDrawable() +{ + Q_ASSERT(m_rwhv); + Q_ASSERT(m_rwhv->adapterClient()); + QMap<int, QImage> images; + for (int orientation = 0; orientation < static_cast<int>(ui::TouchHandleOrientation::UNDEFINED); + ++orientation) { + gfx::Image *image = TouchHandleDrawableQt::GetHandleImage( + static_cast<ui::TouchHandleOrientation>(orientation)); + images.insert(orientation, toQImage(image->AsBitmap())); + } + auto delegate = m_rwhv->adapterClient()->createTouchHandleDelegate(images); + return std::unique_ptr<ui::TouchHandleDrawable>(new TouchHandleDrawableQt(delegate)); +} + +void TouchSelectionControllerClientQt::DidScroll() +{ +} + +void TouchSelectionControllerClientQt::resetControls() +{ + if (m_menuShowing) { + hideMenu(); + GetTouchSelectionController()->HideAndDisallowShowingAutomatically(); + } +} + +void TouchSelectionControllerClientQt::showMenu() +{ + gfx::RectF rect = GetTouchSelectionController()->GetRectBetweenBounds(); + gfx::PointF origin = rect.origin(); + gfx::PointF bottom_right = rect.bottom_right(); + + gfx::Vector2dF diagonal = bottom_right - origin; + gfx::SizeF size(diagonal.x(), diagonal.y()); + gfx::RectF anchor_rect(origin, size); + + // Calculate maximum handle image size; + gfx::SizeF max_handle_size = GetTouchSelectionController()->GetStartHandleRect().size(); + max_handle_size.SetToMax(GetTouchSelectionController()->GetEndHandleRect().size()); + + WebContentsAdapterClient *adapterClient = m_rwhv->adapterClient(); + Q_ASSERT(adapterClient); + adapterClient->showTouchSelectionMenu(m_menuController.data(), + QRect(toQt(gfx::ToEnclosingRect(anchor_rect))), + QSize(toQt(gfx::ToRoundedSize(max_handle_size)))); + m_menuShowing = true; +} + +void TouchSelectionControllerClientQt::hideMenu() +{ + WebContentsAdapterClient *adapterClient = m_rwhv->adapterClient(); + Q_ASSERT(adapterClient); + adapterClient->hideTouchSelectionMenu(); + m_menuShowing = false; +} + +void TouchSelectionControllerClientQt::updateMenu() +{ + if (m_menuShowing) + hideMenu(); + + if (m_menuRequested && !m_touchDown && + !m_scrollInProgress && !m_handleDragInProgress) { + showMenu(); + } +} + +} // namespace QtWebEngineCore |