1 #ifndef DALI_WEB_ENGINE_PLUGIN_H
2 #define DALI_WEB_ENGINE_PLUGIN_H
5 * Copyright (c) 2021 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
26 #include <dali/devel-api/adaptor-framework/web-engine-hit-test.h>
27 #include <dali/devel-api/common/bitwise-enum.h>
28 #include <dali/public-api/images/native-image-interface.h>
29 #include <dali/public-api/math/rect.h>
30 #include <dali/public-api/signals/dali-signal.h>
37 class WebEngineBackForwardList;
38 class WebEngineCertificate;
39 class WebEngineConsoleMessage;
40 class WebEngineContext;
41 class WebEngineContextMenu;
42 class WebEngineCookieManager;
43 class WebEngineFormRepostDecision;
44 class WebEngineHitTest;
45 class WebEngineHttpAuthHandler;
46 class WebEngineLoadError;
47 class WebEnginePolicyDecision;
48 class WebEngineSettings;
53 * @brief WebEnginePlugin is an abstract interface, used by dali-adaptor to access WebEngine plugin.
54 * A concrete implementation must be created for each platform and provided as dynamic library.
60 * @brief WebView signal type related with frame rendered.
62 using WebEngineFrameRenderedSignalType = Signal<void(void)>;
65 * @brief WebEngine callback related with page loading.
67 using WebEnginePageLoadCallback = std::function<void(const std::string&)>;
70 * @brief WebView callback related with page loading error.
72 using WebEnginePageLoadErrorCallback = std::function<void(std::unique_ptr<Dali::WebEngineLoadError>)>;
74 // forward declaration.
75 enum class ScrollEdge;
78 * @brief WebView callback related with scroll edge reached.
80 using WebEngineScrollEdgeReachedCallback = std::function<void(const ScrollEdge)>;
83 * @brief WebView callback related with page url changed.
85 using WebEngineUrlChangedCallback = std::function<void(const std::string&)>;
88 * @brief WebView callback related with screen captured.
90 using ScreenshotCapturedCallback = std::function<void(Dali::PixelData)>;
93 * @brief WebView callback related with geolocation permission.
94 * Host and protocol of security origin will be provided when requesting
95 * geolocation permission.
96 * It returns true if a pop-up is created successfully, false otherwise.
98 using GeolocationPermissionCallback = std::function<bool(const std::string&, const std::string&)>;
101 * @brief WebView callback related with video playing.
103 using VideoPlayingCallback = std::function<void(bool)>;
106 * @brief WebView callback related with console message logged.
108 using WebEngineConsoleMessageReceivedCallback = std::function<void(std::unique_ptr<Dali::WebEngineConsoleMessage>)>;
111 * @brief WebView callback related with certificate changed.
113 using WebEngineCertificateCallback = std::function<void(std::unique_ptr<Dali::WebEngineCertificate>)>;
116 * @brief WebView callback related with http authentication.
118 using WebEngineHttpAuthHandlerCallback = std::function<void(std::unique_ptr<Dali::WebEngineHttpAuthHandler>)>;
121 * @brief WebView callback related with context menu shown.
123 using WebEngineContextMenuShownCallback = std::function<void(std::unique_ptr<Dali::WebEngineContextMenu>)>;
126 * @brief WebView callback related with context menu hidden.
128 using WebEngineContextMenuHiddenCallback = std::function<void(std::unique_ptr<Dali::WebEngineContextMenu>)>;
131 * @brief Message result callback when JavaScript is executed with a message.
133 using JavaScriptMessageHandlerCallback = std::function<void(const std::string&)>;
136 * @brief Alert callback when JavaScript alert is called with a message.
137 * It returns true if a pop-up is created successfully, false otherwise.
139 using JavaScriptAlertCallback = std::function<bool(const std::string&)>;
142 * @brief Confirm callback when JavaScript confirm is called with a message.
143 * It returns true if a pop-up is created successfully, false otherwise.
145 using JavaScriptConfirmCallback = std::function<bool(const std::string&)>;
148 * @brief Prompt callback when JavaScript prompt is called with a message
149 * and an optional value that is the default value for the input field.
150 * It returns true if a pop-up is created successfully, false otherwise.
152 using JavaScriptPromptCallback = std::function<bool(const std::string&, const std::string&)>;
155 * @brief WebView callback related with form repost decision.
157 using WebEngineFormRepostDecidedCallback = std::function<void(std::unique_ptr<Dali::WebEngineFormRepostDecision>)>;
160 * @brief WebView callback related with frame rendered.
162 using WebEngineFrameRenderedCallback = std::function<void(void)>;
165 * @brief WebView callback related with response policy would be decided.
167 using WebEngineResponsePolicyDecidedCallback = std::function<void(std::unique_ptr<Dali::WebEnginePolicyDecision>)>;
170 * @brief Hit test callback called after hit test is created asynchronously.
172 using WebEngineHitTestCreatedCallback = std::function<bool(std::unique_ptr<Dali::WebEngineHitTest>)>;
175 * @brief The callback to be called when the web engine received a plain text of current web page.
177 using PlainTextReceivedCallback = std::function<void(const std::string&)>;
180 * @brief Enumeration for the scroll edge.
182 enum class ScrollEdge
184 LEFT, ///< Left edge reached.
185 RIGHT, ///< Right edge reached.
186 TOP, ///< Top edge reached.
187 BOTTOM, ///< Bottom edge reached.
191 * @brief Enumeration that provides the option to find text.
193 enum class FindOption
195 NONE = 0, ///< No search flags, this means a case sensitive, no wrap, forward only search
196 CASE_INSENSITIVE = 1 << 0, ///< Case insensitive search
197 AT_WORD_STARTS = 1 << 1, ///< Search text only at the beginning of the words
198 TREAT_MEDIAL_CAPITAL_AS_WORD_START = 1 << 2, ///< Treat capital letters in the middle of words as word start
199 BACKWARDS = 1 << 3, ///< Search backwards
200 WRAP_AROUND = 1 << 4, ///< If not present the search stops at the end of the document
201 SHOW_OVERLAY = 1 << 5, ///< Show overlay
202 SHOW_FIND_INDICATOR = 1 << 6, ///< Show indicator
203 SHOW_HIGHLIGHT = 1 << 7, ///< Show highlight
207 * @brief Constructor.
209 WebEnginePlugin() = default;
214 virtual ~WebEnginePlugin() = default;
217 * @brief Create WebEngine instance.
219 * @param [in] width The width of Web
220 * @param [in] height The height of Web
221 * @param [in] locale The locale of Web
222 * @param [in] timezoneId The timezoneID of Web
224 virtual void Create(uint32_t width, uint32_t height, const std::string& locale, const std::string& timezoneId) = 0;
227 * @brief Create WebEngine instance.
229 * @param [in] width The width of Web
230 * @param [in] height The height of Web
231 * @param [in] argc The count of application arguments
232 * @param [in] argv The string array of application arguments
234 virtual void Create(uint32_t width, uint32_t height, uint32_t argc, char** argv) = 0;
237 * @brief Destroy WebEngine instance.
239 virtual void Destroy() = 0;
242 * @brief Get settings of WebEngine.
244 virtual WebEngineSettings& GetSettings() const = 0;
247 * @brief Get context of WebEngine.
249 virtual WebEngineContext& GetContext() const = 0;
252 * @brief Get cookie manager of WebEngine.
254 virtual WebEngineCookieManager& GetCookieManager() const = 0;
257 * @brief Get back-forward list of WebEngine.
259 virtual WebEngineBackForwardList& GetBackForwardList() const = 0;
262 * @brief Load a web page based on a given URL.
264 * @param [in] url The URL of the resource to load
266 virtual void LoadUrl(const std::string& url) = 0;
269 * @brief Return the title of the Web.
271 * @return The title of web page
273 virtual std::string GetTitle() const = 0;
276 * @brief Return the Favicon of the Web.
278 * @return Favicon of Dali::PixelData& type
280 virtual Dali::PixelData GetFavicon() const = 0;
283 * @brief Get image to render.
285 virtual NativeImageInterfacePtr GetNativeImageSource() = 0;
288 * @brief Return the URL of the Web.
290 * @return Url of string type
292 virtual std::string GetUrl() const = 0;
295 * @brief Load a given string as web contents.
297 * @param [in] htmlString The string to use as the contents of the web page
299 virtual void LoadHtmlString(const std::string& htmlString) = 0;
302 * @brief Load the specified html string as the content of the view overriding current history entry
304 * @param[in] html HTML data to load
305 * @param[in] basicUri Base URL used for relative paths to external objects
306 * @param[in] unreachableUrl URL that could not be reached
308 * @return true if successfully loaded, false otherwise
310 virtual bool LoadHtmlStringOverrideCurrentEntry(const std::string& html, const std::string& basicUri, const std::string& unreachableUrl) = 0;
313 * @brief Request loading the given contents by MIME type into the view object
315 * @param[in] contents The content to load
316 * @param[in] contentSize The size of contents (in bytes)
317 * @param[in] mimeType The type of contents, if 0 is given "text/html" is assumed
318 * @param[in] encoding The encoding for contents, if 0 is given "UTF-8" is assumed
319 * @param[in] baseUri The base URI to use for relative resources
321 * @return true if successfully request, false otherwise
323 virtual bool LoadContents(const std::string& contents, uint32_t contentSize, const std::string& mimeType, const std::string& encoding, const std::string& baseUri) = 0;
326 * @brief Reload the Web.
328 virtual void Reload() = 0;
331 * @brief Reload the current page's document without cache
333 virtual bool ReloadWithoutCache() = 0;
336 * @brief Stop loading web contents on the current page.
338 virtual void StopLoading() = 0;
341 * @brief Suspend the operation associated with the view.
343 virtual void Suspend() = 0;
346 * @brief Resume the operation associated with the view object after calling Suspend().
348 virtual void Resume() = 0;
351 * @brief To suspend all url loading
353 virtual void SuspendNetworkLoading() = 0;
356 * @brief To resume new url network loading
358 virtual void ResumeNetworkLoading() = 0;
361 * @brief Add custom header
363 * @param[in] name custom header name to add the custom header
364 * @param[in] value custom header value to add the custom header
366 * @return true if succeeded, false otherwise
368 virtual bool AddCustomHeader(const std::string& name, const std::string& value) = 0;
371 * @brief Remove custom header
373 * @param[in] name custom header name to remove the custom header
375 * @return true if succeeded, false otherwise
377 virtual bool RemoveCustomHeader(const std::string& name) = 0;
380 * @brief Start the inspector server
382 * @param[in] port port number
384 * @return the port number
386 virtual uint32_t StartInspectorServer(uint32_t port) = 0;
389 * @brief Stop the inspector server
391 * @return true if succeeded, false otherwise
393 virtual bool StopInspectorServer() = 0;
396 * @brief Scroll web page of view by deltaX and deltaY.
398 * @param[in] deltaX horizontal offset to scroll
399 * @param[in] deltaY vertical offset to scroll
401 virtual void ScrollBy(int32_t deltaX, int32_t deltaY) = 0;
404 * @brief Scroll edge of view by deltaX and deltaY.
406 * @param[in] deltaX horizontal offset to scroll
407 * @param[in] deltaY vertical offset to scroll
409 * @return true if succeeded, false otherwise
411 virtual bool ScrollEdgeBy(int32_t deltaX, int32_t deltaY) = 0;
414 * @brief Scroll to the specified position of the given view.
416 virtual void SetScrollPosition(int32_t x, int32_t y) = 0;
419 * @brief Get the current scroll position of the given view.
421 virtual Dali::Vector2 GetScrollPosition() const = 0;
424 * @brief Get the possible scroll size of the given view.
426 virtual Dali::Vector2 GetScrollSize() const = 0;
429 * @brief Get the last known content's size.
431 virtual Dali::Vector2 GetContentSize() const = 0;
434 * @brief Return whether forward is possible.
436 * @return True if forward is possible, false otherwise
438 virtual bool CanGoForward() = 0;
441 * @brief Go to forward.
443 virtual void GoForward() = 0;
446 * @brief Return whether backward is possible.
448 * @return True if backward is possible, false otherwise
450 virtual bool CanGoBack() = 0;
455 virtual void GoBack() = 0;
458 * @brief Evaluate JavaScript code represented as a string.
460 * @param[in] script The JavaScript code
461 * @param[in] resultHandler The callback function to be called by the JavaScript runtime. This carries evaluation result.
463 virtual void EvaluateJavaScript(const std::string& script, JavaScriptMessageHandlerCallback resultHandler) = 0;
466 * @brief Add a message handler into JavaScript.
468 * @param[in] exposedObjectName The name of exposed object
469 * @param[in] handler The callback function
471 virtual void AddJavaScriptMessageHandler(const std::string& exposedObjectName, JavaScriptMessageHandlerCallback handler) = 0;
474 * @brief Register a callback for JavaScript alert.
476 * @param[in] callback The callback function
478 virtual void RegisterJavaScriptAlertCallback(JavaScriptAlertCallback callback) = 0;
481 * @brief Reply for JavaScript alert.
483 virtual void JavaScriptAlertReply() = 0;
486 * @brief Register a callback for JavaScript confirm.
488 * @param[in] callback The callback function
490 virtual void RegisterJavaScriptConfirmCallback(JavaScriptConfirmCallback callback) = 0;
493 * @brief Reply for JavaScript confirm.
495 virtual void JavaScriptConfirmReply(bool confirmed) = 0;
498 * @brief Register a callback for JavaScript prompt.
500 * @param[in] callback The callback function
502 virtual void RegisterJavaScriptPromptCallback(JavaScriptPromptCallback callback) = 0;
505 * @brief Reply for JavaScript prompt.
507 virtual void JavaScriptPromptReply(const std::string& result) = 0;
510 * @brief Create a new hit test.
512 * @param[in] x the horizontal position to query
513 * @param[in] y the vertical position to query
514 * @param[in] mode the mode of hit test
516 * @return a new hit test object.
518 virtual std::unique_ptr<Dali::WebEngineHitTest> CreateHitTest(int32_t x, int32_t y, Dali::WebEngineHitTest::HitTestMode mode) = 0;
521 * @brief create a hit test asynchronously.
523 * @param[in] x the horizontal position to query
524 * @param[in] y the vertical position to query
525 * @param[in] mode the mode of hit test
526 * @param[in] callback The callback function
528 * @return true if succeeded, false otherwise
530 virtual bool CreateHitTestAsynchronously(int32_t x, int32_t y, Dali::WebEngineHitTest::HitTestMode mode, WebEngineHitTestCreatedCallback callback) = 0;
533 * @brief Clear the history of Web.
535 virtual void ClearHistory() = 0;
538 * @brief Clear all tiles resources of Web.
540 virtual void ClearAllTilesResources() = 0;
543 * @brief Get user agent string.
545 * @return The string value of user agent
547 virtual std::string GetUserAgent() const = 0;
550 * @brief Set user agent string.
552 * @param[in] userAgent The string value of user agent
554 virtual void SetUserAgent(const std::string& userAgent) = 0;
557 * @brief Set size of Web Page.
559 virtual void SetSize(uint32_t width, uint32_t height) = 0;
562 * @brief Set background color of web page.
564 * @param[in] color Background color
566 virtual void SetDocumentBackgroundColor(Dali::Vector4 color) = 0;
569 * @brief Clear tiles when hidden.
571 * @param[in] cleared Whether tiles are cleared or not
573 virtual void ClearTilesWhenHidden(bool cleared) = 0;
576 * @brief Set multiplier of cover area of tile.
578 * @param[in] multiplier The multiplier of cover area
580 virtual void SetTileCoverAreaMultiplier(float multiplier) = 0;
583 * @brief Enable cursor by client.
585 * @param[in] enabled Whether cursor is enabled or not
587 virtual void EnableCursorByClient(bool enabled) = 0;
590 * @brief Get the selected text.
592 * @return the selected text
594 virtual std::string GetSelectedText() const = 0;
597 * @brief Send Touch Events.
599 virtual bool SendTouchEvent(const TouchEvent& touch) = 0;
602 * @brief Send Key Events.
604 virtual bool SendKeyEvent(const KeyEvent& event) = 0;
607 * @brief Support mouse events or not.
608 * @param[in] enabled True if enabled, false othewise.
610 virtual void EnableMouseEvents(bool enabled) = 0;
613 * @brief Support key events or not.
614 * @param[in] enabled True if enabled, false othewise.
616 virtual void EnableKeyEvents(bool enabled) = 0;
620 * @param[in] focused True if focus is gained, false lost.
622 virtual void SetFocus(bool focused) = 0;
625 * @brief Set zoom factor of the current page.
626 * @param[in] zoomFactor a new factor to be set.
628 virtual void SetPageZoomFactor(float zoomFactor) = 0;
631 * @brief Query the current zoom factor of the page。
632 * @return The current page zoom factor.
634 virtual float GetPageZoomFactor() const = 0;
637 * @brief Set the current text zoom level。.
638 * @param[in] zoomFactor a new factor to be set.
640 virtual void SetTextZoomFactor(float zoomFactor) = 0;
643 * @brief Get the current text zoom level.
644 * @return The current text zoom factor.
646 virtual float GetTextZoomFactor() const = 0;
649 * @brief Get the current load progress of the page.
650 * @return The load progress of the page.
652 virtual float GetLoadProgressPercentage() const = 0;
655 * @brief Scale the current page, centered at the given point.
656 * @param[in] scaleFactor a new factor to be scaled.
657 * @param[in] point a center coordinate.
659 virtual void SetScaleFactor(float scaleFactor, Dali::Vector2 point) = 0;
662 * @brief Get the current scale factor of the page.
663 * @return The current scale factor.
665 virtual float GetScaleFactor() const = 0;
668 * @brief Request to activate/deactivate the accessibility usage set by web app.
669 * @param[in] activated Activate accessibility or not.
671 virtual void ActivateAccessibility(bool activated) = 0;
674 * @brief Request to set the current page's visibility.
675 * @param[in] visible Visible or not.
677 * @return true if succeeded, false otherwise
679 virtual bool SetVisibility(bool visible) = 0;
682 * @brief Search and highlight the given string in the document.
683 * @param[in] text The text to find
684 * @param[in] options The options to find
685 * @param[in] maxMatchCount The maximum match count to find
687 * @return true if found & highlighted, false otherwise
689 virtual bool HighlightText(const std::string& text, FindOption options, uint32_t maxMatchCount) = 0;
692 * @brief Add dynamic certificate path.
693 * @param[in] host host that required client authentication
694 * @param[in] certPath the file path stored certificate
696 virtual void AddDynamicCertificatePath(const std::string& host, const std::string& certPath) = 0;
699 * @brief Get snapshot of the specified viewArea of page.
701 * @param[in] viewArea The rectangle of screen shot
702 * @param[in] scaleFactor The scale factor
704 * @return pixel data of screen shot
706 virtual Dali::PixelData GetScreenshot(Dali::Rect<int32_t> viewArea, float scaleFactor) = 0;
709 * @brief Request to get snapshot of the specified viewArea of page asynchronously.
711 * @param[in] viewArea The rectangle of screen shot
712 * @param[in] scaleFactor The scale factor
713 * @param[in] callback The callback for screen shot
715 * @return true if requested successfully, false otherwise
717 virtual bool GetScreenshotAsynchronously(Dali::Rect<int32_t> viewArea, float scaleFactor, ScreenshotCapturedCallback callback) = 0;
720 * @brief Asynchronously request to check if there is a video playing in the given view.
722 * @param[in] callback The callback called after checking if video is playing or not
724 * @return true if requested successfully, false otherwise
726 virtual bool CheckVideoPlayingAsynchronously(VideoPlayingCallback callback) = 0;
729 * @brief Set callback which will be called upon geolocation permission request.
731 * @param[in] callback The callback for requesting geolocation permission
733 virtual void RegisterGeolocationPermissionCallback(GeolocationPermissionCallback callback) = 0;
736 * @brief Update display area.
737 * @param[in] displayArea The display area need be updated.
739 virtual void UpdateDisplayArea(Dali::Rect<int32_t> displayArea) = 0;
742 * @brief Enable video hole.
743 * @param[in] enabled True if enabled, false othewise.
745 virtual void EnableVideoHole(bool enabled) = 0;
748 * @brief Send Hover Events.
749 * @param[in] event The hover event would be sent.
751 virtual bool SendHoverEvent(const HoverEvent& event) = 0;
754 * @brief Send Wheel Events.
755 * @param[in] event The wheel event would be sent.
757 virtual bool SendWheelEvent(const WheelEvent& event) = 0;
760 * @brief Connect to this signal to be notified when frame is rendered.
762 * @return A signal object to connect with.
764 virtual WebEngineFrameRenderedSignalType& FrameRenderedSignal() = 0;
767 * @brief Callback to be called when page loading is started.
769 * @param[in] callback
771 virtual void RegisterPageLoadStartedCallback(WebEnginePageLoadCallback callback) = 0;
774 * @brief Callback to be called when page loading is in progress.
776 * @param[in] callback
778 virtual void RegisterPageLoadInProgressCallback(WebEnginePageLoadCallback callback) = 0;
781 * @brief Callback to be called when page loading is finished.
783 * @param[in] callback
785 virtual void RegisterPageLoadFinishedCallback(WebEnginePageLoadCallback callback) = 0;
788 * @brief Callback to be called when an error occurs in page loading.
790 * @param[in] callback
792 virtual void RegisterPageLoadErrorCallback(WebEnginePageLoadErrorCallback callback) = 0;
795 * @brief Callback to be called when scroll edge is reached.
797 * @param[in] callback
799 virtual void RegisterScrollEdgeReachedCallback(WebEngineScrollEdgeReachedCallback callback) = 0;
802 * @brief Callback to be called when url is changed.
804 * @param[in] callback
806 virtual void RegisterUrlChangedCallback(WebEngineUrlChangedCallback callback) = 0;
809 * @brief Callback to be called when form repost decision is requested.
811 * @param[in] callback
813 virtual void RegisterFormRepostDecidedCallback(WebEngineFormRepostDecidedCallback callback) = 0;
816 * @brief Callback to be called when console message will be logged.
818 * @param[in] callback
820 virtual void RegisterConsoleMessageReceivedCallback(WebEngineConsoleMessageReceivedCallback callback) = 0;
823 * @brief Callback to be called when response policy would be decided.
825 * @param[in] callback
827 virtual void RegisterResponsePolicyDecidedCallback(WebEngineResponsePolicyDecidedCallback callback) = 0;
830 * @brief Callback to be called when certificate need be confirmed.
832 * @param[in] callback
834 virtual void RegisterCertificateConfirmedCallback(WebEngineCertificateCallback callback) = 0;
837 * @brief Callback to be called when ssl certificate is changed.
839 * @param[in] callback
841 virtual void RegisterSslCertificateChangedCallback(WebEngineCertificateCallback callback) = 0;
844 * @brief Callback to be called when http authentication need be confirmed.
846 * @param[in] callback
848 virtual void RegisterHttpAuthHandlerCallback(WebEngineHttpAuthHandlerCallback callback) = 0;
851 * @brief Callback to be called when context menu would be shown.
853 * @param[in] callback
855 virtual void RegisterContextMenuShownCallback(WebEngineContextMenuShownCallback callback) = 0;
858 * @brief Callback to be called when context menu would be hidden.
860 * @param[in] callback
862 virtual void RegisterContextMenuHiddenCallback(WebEngineContextMenuHiddenCallback callback) = 0;
865 * @brief Get a plain text of current web page asynchronously.
867 * @param[in] callback The callback function called asynchronously.
869 virtual void GetPlainTextAsynchronously(PlainTextReceivedCallback callback) = 0;
872 // specialization has to be done in the same namespace
874 struct EnableBitMaskOperators<WebEnginePlugin::FindOption>
876 static const bool ENABLE = true;