| /* |
| * Copyright (C) 2014 Igalia S.L. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "WPEView.h" |
| |
| #include "APIPageConfiguration.h" |
| #include "APIViewClient.h" |
| #include "DrawingAreaProxy.h" |
| #include "EditingRange.h" |
| #include "EditorState.h" |
| #include "NativeWebKeyboardEvent.h" |
| #include "NativeWebMouseEvent.h" |
| #include "NativeWebTouchEvent.h" |
| #include "NativeWebWheelEvent.h" |
| #include "ScrollGestureController.h" |
| #include "WebPageGroup.h" |
| #include "WebProcessPool.h" |
| #include <WebCore/CompositionUnderline.h> |
| #include <wpe/wpe.h> |
| |
| using namespace WebKit; |
| |
| namespace WKWPE { |
| |
| View::View(struct wpe_view_backend* backend, const API::PageConfiguration& baseConfiguration) |
| : m_client(makeUnique<API::ViewClient>()) |
| , m_scrollGestureController(makeUnique<ScrollGestureController>()) |
| , m_pageClient(makeUnique<PageClientImpl>(*this)) |
| , m_size { 800, 600 } |
| , m_viewStateFlags { WebCore::ActivityState::WindowIsActive, WebCore::ActivityState::IsFocused, WebCore::ActivityState::IsVisible, WebCore::ActivityState::IsInWindow } |
| , m_backend(backend) |
| { |
| ASSERT(m_backend); |
| |
| auto configuration = baseConfiguration.copy(); |
| auto* preferences = configuration->preferences(); |
| if (!preferences && configuration->pageGroup()) { |
| preferences = &configuration->pageGroup()->preferences(); |
| configuration->setPreferences(preferences); |
| } |
| if (preferences) { |
| preferences->setAcceleratedCompositingEnabled(true); |
| preferences->setForceCompositingMode(true); |
| preferences->setThreadedScrollingEnabled(true); |
| preferences->setAccelerated2dCanvasEnabled(true); |
| preferences->setWebGLEnabled(true); |
| preferences->setDeveloperExtrasEnabled(true); |
| } |
| |
| auto* pool = configuration->processPool(); |
| m_pageProxy = pool->createWebPage(*m_pageClient, WTFMove(configuration)); |
| |
| #if ENABLE(MEMORY_SAMPLER) |
| if (getenv("WEBKIT_SAMPLE_MEMORY")) |
| pool->startMemorySampler(0); |
| #endif |
| |
| static struct wpe_view_backend_client s_backendClient = { |
| // set_size |
| [](void* data, uint32_t width, uint32_t height) |
| { |
| auto& view = *reinterpret_cast<View*>(data); |
| view.setSize(WebCore::IntSize(width, height)); |
| }, |
| // frame_displayed |
| [](void* data) |
| { |
| auto& view = *reinterpret_cast<View*>(data); |
| view.frameDisplayed(); |
| }, |
| // activity_state_changed |
| [](void* data, uint32_t state) |
| { |
| auto& view = *reinterpret_cast<View*>(data); |
| OptionSet<WebCore::ActivityState::Flag> flags; |
| if (state & wpe_view_activity_state_visible) |
| flags.add(WebCore::ActivityState::IsVisible); |
| if (state & wpe_view_activity_state_focused) { |
| flags.add(WebCore::ActivityState::IsFocused); |
| flags.add(WebCore::ActivityState::WindowIsActive); |
| } |
| if (state & wpe_view_activity_state_in_window) |
| flags.add(WebCore::ActivityState::IsInWindow); |
| view.setViewState(flags); |
| }, |
| #if WPE_CHECK_VERSION(1, 3, 0) |
| // get_accessible |
| [](void* data) -> void* |
| { |
| #if ENABLE(ACCESSIBILITY) |
| auto& view = *reinterpret_cast<View*>(data); |
| return view.accessible(); |
| #else |
| return nullptr; |
| #endif |
| }, |
| // set_device_scale_factor |
| [](void* data, float scale) |
| { |
| auto& view = *reinterpret_cast<View*>(data); |
| view.page().setIntrinsicDeviceScaleFactor(scale); |
| }, |
| #else |
| // padding |
| nullptr, |
| nullptr, |
| #endif // WPE_CHECK_VERSION(1, 3, 0) |
| // padding |
| nullptr |
| }; |
| wpe_view_backend_set_backend_client(m_backend, &s_backendClient, this); |
| |
| static struct wpe_view_backend_input_client s_inputClient = { |
| // handle_keyboard_event |
| [](void* data, struct wpe_input_keyboard_event* event) |
| { |
| auto& view = *reinterpret_cast<View*>(data); |
| if (event->pressed |
| && event->modifiers & wpe_input_keyboard_modifier_control |
| && event->modifiers & wpe_input_keyboard_modifier_shift |
| && event->key_code == WPE_KEY_G) { |
| auto& preferences = view.page().preferences(); |
| preferences.setResourceUsageOverlayVisible(!preferences.resourceUsageOverlayVisible()); |
| return; |
| } |
| view.handleKeyboardEvent(event); |
| }, |
| // handle_pointer_event |
| [](void* data, struct wpe_input_pointer_event* event) |
| { |
| auto& view = *reinterpret_cast<View*>(data); |
| if (event->type == wpe_input_pointer_event_type_button && event->state == 1) |
| view.m_inputMethodFilter.cancelComposition(); |
| auto& page = view.page(); |
| page.handleMouseEvent(WebKit::NativeWebMouseEvent(event, page.deviceScaleFactor())); |
| }, |
| // handle_axis_event |
| [](void* data, struct wpe_input_axis_event* event) |
| { |
| auto& page = reinterpret_cast<View*>(data)->page(); |
| page.handleWheelEvent(WebKit::NativeWebWheelEvent(event, page.deviceScaleFactor(), WebWheelEvent::Phase::PhaseNone, WebWheelEvent::Phase::PhaseNone)); |
| }, |
| // handle_touch_event |
| [](void* data, struct wpe_input_touch_event* event) |
| { |
| auto& view = *reinterpret_cast<View*>(data); |
| auto& page = view.page(); |
| |
| WebKit::NativeWebTouchEvent touchEvent(event, page.deviceScaleFactor()); |
| |
| auto& scrollGestureController = *view.m_scrollGestureController; |
| if (scrollGestureController.isHandling()) { |
| const struct wpe_input_touch_event_raw* touchPoint = touchEvent.nativeFallbackTouchPoint(); |
| if (touchPoint->type != wpe_input_touch_event_type_null && scrollGestureController.handleEvent(touchPoint)) { |
| page.handleWheelEvent(WebKit::NativeWebWheelEvent(scrollGestureController.axisEvent(), page.deviceScaleFactor(), scrollGestureController.phase(), WebWheelEvent::Phase::PhaseNone)); |
| return; |
| } |
| } |
| |
| page.handleTouchEvent(touchEvent); |
| }, |
| // padding |
| nullptr, |
| nullptr, |
| nullptr, |
| nullptr |
| }; |
| wpe_view_backend_set_input_client(m_backend, &s_inputClient, this); |
| |
| wpe_view_backend_initialize(m_backend); |
| |
| m_pageProxy->initializeWebPage(); |
| } |
| |
| View::~View() |
| { |
| #if ENABLE(ACCESSIBILITY) |
| if (m_accessible) |
| webkitWebViewAccessibleSetWebView(m_accessible.get(), nullptr); |
| #endif |
| } |
| |
| void View::setClient(std::unique_ptr<API::ViewClient>&& client) |
| { |
| if (!client) |
| m_client = makeUnique<API::ViewClient>(); |
| else |
| m_client = WTFMove(client); |
| } |
| |
| void View::frameDisplayed() |
| { |
| m_client->frameDisplayed(*this); |
| } |
| |
| void View::handleDownloadRequest(DownloadProxy& download) |
| { |
| m_client->handleDownloadRequest(*this, download); |
| } |
| |
| void View::willStartLoad() |
| { |
| m_client->willStartLoad(*this); |
| } |
| |
| void View::didChangePageID() |
| { |
| m_client->didChangePageID(*this); |
| } |
| |
| void View::didReceiveUserMessage(UserMessage&& message, CompletionHandler<void(UserMessage&&)>&& completionHandler) |
| { |
| m_client->didReceiveUserMessage(*this, WTFMove(message), WTFMove(completionHandler)); |
| } |
| |
| void View::setInputMethodContext(WebKitInputMethodContext* context) |
| { |
| m_inputMethodFilter.setContext(context); |
| } |
| |
| WebKitInputMethodContext* View::inputMethodContext() const |
| { |
| return m_inputMethodFilter.context(); |
| } |
| |
| void View::setInputMethodState(Optional<InputMethodState>&& state) |
| { |
| m_inputMethodFilter.setState(WTFMove(state)); |
| } |
| |
| void View::selectionDidChange() |
| { |
| const auto& editorState = m_pageProxy->editorState(); |
| if (!editorState.isMissingPostLayoutData) { |
| m_inputMethodFilter.notifyCursorRect(editorState.postLayoutData().caretRectAtStart); |
| m_inputMethodFilter.notifySurrounding(editorState.postLayoutData().surroundingContext, editorState.postLayoutData().surroundingContextCursorPosition, |
| editorState.postLayoutData().surroundingContextSelectionPosition); |
| } |
| } |
| |
| void View::setSize(const WebCore::IntSize& size) |
| { |
| m_size = size; |
| if (m_pageProxy->drawingArea()) |
| m_pageProxy->drawingArea()->setSize(size); |
| } |
| |
| void View::setViewState(OptionSet<WebCore::ActivityState::Flag> flags) |
| { |
| auto changedFlags = m_viewStateFlags ^ flags; |
| m_viewStateFlags = flags; |
| |
| if (changedFlags.contains(WebCore::ActivityState::IsFocused)) { |
| if (m_viewStateFlags.contains(WebCore::ActivityState::IsFocused)) |
| m_inputMethodFilter.notifyFocusedIn(); |
| else |
| m_inputMethodFilter.notifyFocusedOut(); |
| } |
| |
| if (changedFlags) |
| m_pageProxy->activityStateDidChange(changedFlags); |
| } |
| |
| void View::handleKeyboardEvent(struct wpe_input_keyboard_event* event) |
| { |
| auto filterResult = m_inputMethodFilter.filterKeyEvent(event); |
| if (filterResult.handled) |
| return; |
| |
| page().handleKeyboardEvent(WebKit::NativeWebKeyboardEvent(event, event->pressed ? filterResult.keyText : String(), NativeWebKeyboardEvent::HandledByInputMethod::No, WTF::nullopt, WTF::nullopt)); |
| } |
| |
| void View::synthesizeCompositionKeyPress(const String& text, Optional<Vector<WebCore::CompositionUnderline>>&& underlines, Optional<EditingRange>&& selectionRange) |
| { |
| // The Windows composition key event code is 299 or VK_PROCESSKEY. We need to |
| // emit this code for web compatibility reasons when key events trigger |
| // composition results. WPE doesn't have an equivalent, so we send VoidSymbol |
| // here to WebCore. PlatformKeyEvent converts this code into VK_PROCESSKEY. |
| static struct wpe_input_keyboard_event event = { 0, WPE_KEY_VoidSymbol, 0, true, 0 }; |
| page().handleKeyboardEvent(WebKit::NativeWebKeyboardEvent(&event, text, NativeWebKeyboardEvent::HandledByInputMethod::Yes, WTFMove(underlines), WTFMove(selectionRange))); |
| } |
| |
| void View::close() |
| { |
| m_pageProxy->close(); |
| } |
| |
| #if ENABLE(ACCESSIBILITY) |
| WebKitWebViewAccessible* View::accessible() const |
| { |
| if (!m_accessible) |
| m_accessible = webkitWebViewAccessibleNew(const_cast<View*>(this)); |
| return m_accessible.get(); |
| } |
| #endif |
| |
| } // namespace WKWPE |