diff options
Diffstat (limited to 'ext/fg/js')
| -rw-r--r-- | ext/fg/js/frontend.js | 342 | ||||
| -rw-r--r-- | ext/fg/js/popup-nested.js | 1 | 
2 files changed, 23 insertions, 320 deletions
| diff --git a/ext/fg/js/frontend.js b/ext/fg/js/frontend.js index 9a1d507b..01f5c13d 100644 --- a/ext/fg/js/frontend.js +++ b/ext/fg/js/frontend.js @@ -17,29 +17,23 @@   */ -class Frontend { +class Frontend extends TextScanner {      constructor(popup, ignoreNodes) { +        super( +            window, +            ignoreNodes, +            [popup.container], +            [(x, y) => this.popup.containsPoint(x, y)] +        ); +          this.popup = popup; -        this.popupTimerPromise = null; -        this.textSourceCurrent = null; -        this.pendingLookup = false;          this.options = null; -        this.ignoreNodes = (Array.isArray(ignoreNodes) && ignoreNodes.length > 0 ? ignoreNodes.join(',') : null);          this.optionsContext = {              depth: popup.depth,              url: popup.url          }; -        this.primaryTouchIdentifier = null; -        this.preventNextContextMenu = false; -        this.preventNextMouseDown = false; -        this.preventNextClick = false; -        this.preventScroll = false; - -        this.enabled = false; -        this.eventListeners = []; -          this.isPreparedPromiseResolve = null;          this.isPreparedPromise = new Promise((resolve) => { this.isPreparedPromiseResolve = resolve; }); @@ -71,162 +65,9 @@ class Frontend {          return this.isPreparedPromise;      } -    onMouseOver(e) { -        if (e.target === this.popup.container) { -            this.popupTimerClear(); -        } -    } - -    onMouseMove(e) { -        this.popupTimerClear(); - -        if (this.pendingLookup || DOM.isMouseButtonDown(e, 'primary')) { -            return; -        } - -        const scanningOptions = this.options.scanning; -        const scanningModifier = scanningOptions.modifier; -        if (!( -            Frontend.isScanningModifierPressed(scanningModifier, e) || -            (scanningOptions.middleMouse && DOM.isMouseButtonDown(e, 'auxiliary')) -        )) { -            return; -        } - -        const search = async () => { -            if (scanningModifier === 'none') { -                if (!await this.popupTimerWait()) { -                    // Aborted -                    return; -                } -            } - -            await this.searchAt(e.clientX, e.clientY, 'mouse'); -        }; - -        search(); -    } - -    onMouseDown(e) { -        if (this.preventNextMouseDown) { -            this.preventNextMouseDown = false; -            this.preventNextClick = true; -            e.preventDefault(); -            e.stopPropagation(); -            return false; -        } - -        if (e.button === 0) { -            this.popupTimerClear(); -            this.searchClear(true); -        } -    } - -    onMouseOut() { -        this.popupTimerClear(); -    } - -    onClick(e) { -        if (this.preventNextClick) { -            this.preventNextClick = false; -            e.preventDefault(); -            e.stopPropagation(); -            return false; -        } -    } - -    onAuxClick() { -        this.preventNextContextMenu = false; -    } - -    onContextMenu(e) { -        if (this.preventNextContextMenu) { -            this.preventNextContextMenu = false; -            e.preventDefault(); -            e.stopPropagation(); -            return false; -        } -    } - -    onTouchStart(e) { -        if (this.primaryTouchIdentifier !== null || e.changedTouches.length === 0) { -            return; -        } - -        this.preventScroll = false; -        this.preventNextContextMenu = false; -        this.preventNextMouseDown = false; -        this.preventNextClick = false; - -        const primaryTouch = e.changedTouches[0]; -        if (DOM.isPointInSelection(primaryTouch.clientX, primaryTouch.clientY, window.getSelection())) { -            return; -        } - -        this.primaryTouchIdentifier = primaryTouch.identifier; - -        if (this.pendingLookup) { -            return; -        } - -        const textSourceCurrentPrevious = this.textSourceCurrent !== null ? this.textSourceCurrent.clone() : null; - -        this.searchAt(primaryTouch.clientX, primaryTouch.clientY, 'touchStart') -        .then(() => { -            if ( -                this.textSourceCurrent === null || -                this.textSourceCurrent.equals(textSourceCurrentPrevious) -            ) { -                return; -            } - -            this.preventScroll = true; -            this.preventNextContextMenu = true; -            this.preventNextMouseDown = true; -        }); -    } - -    onTouchEnd(e) { -        if ( -            this.primaryTouchIdentifier === null || -            this.getIndexOfTouch(e.changedTouches, this.primaryTouchIdentifier) < 0 -        ) { -            return; -        } - -        this.primaryTouchIdentifier = null; -        this.preventScroll = false; -        this.preventNextClick = false; -        // Don't revert context menu and mouse down prevention, -        // since these events can occur after the touch has ended. -        // this.preventNextContextMenu = false; -        // this.preventNextMouseDown = false; -    } - -    onTouchCancel(e) { -        this.onTouchEnd(e); -    } - -    onTouchMove(e) { -        if (!this.preventScroll || !e.cancelable || this.primaryTouchIdentifier === null) { -            return; -        } - -        const touches = e.changedTouches; -        const index = this.getIndexOfTouch(touches, this.primaryTouchIdentifier); -        if (index < 0) { -            return; -        } - -        const primaryTouch = touches[index]; -        this.searchAt(primaryTouch.clientX, primaryTouch.clientY, 'touchMove'); - -        e.preventDefault(); // Disable scroll -    } -      async onResize() { -        if (this.textSourceCurrent !== null && await this.popup.isVisibleAsync()) { -            const textSource = this.textSourceCurrent; +        const textSource = this.textSourceCurrent; +        if (textSource !== null && await this.popup.isVisibleAsync()) {              this.lastShowPromise = this.popup.showContent(                  textSource.getRect(),                  textSource.getWritingMode() @@ -252,112 +93,24 @@ class Frontend {          }      } -    onError(error) { -        logError(error, false); -    } - -    setEnabled(enabled) { -        if (enabled) { -            if (!this.enabled) { -                this.hookEvents(); -                this.enabled = true; -            } -        } else { -            if (this.enabled) { -                this.clearEventListeners(); -                this.enabled = false; -            } -            this.searchClear(false); -        } -    } - -    hookEvents() { -        this.addEventListener(window, 'message', this.onWindowMessage.bind(this)); -        this.addEventListener(window, 'mousedown', this.onMouseDown.bind(this)); -        this.addEventListener(window, 'mousemove', this.onMouseMove.bind(this)); -        this.addEventListener(window, 'mouseover', this.onMouseOver.bind(this)); -        this.addEventListener(window, 'mouseout', this.onMouseOut.bind(this)); -        this.addEventListener(window, 'resize', this.onResize.bind(this)); - -        if (this.options.scanning.touchInputEnabled) { -            this.addEventListener(window, 'click', this.onClick.bind(this)); -            this.addEventListener(window, 'auxclick', this.onAuxClick.bind(this)); -            this.addEventListener(window, 'touchstart', this.onTouchStart.bind(this)); -            this.addEventListener(window, 'touchend', this.onTouchEnd.bind(this)); -            this.addEventListener(window, 'touchcancel', this.onTouchCancel.bind(this)); -            this.addEventListener(window, 'touchmove', this.onTouchMove.bind(this), {passive: false}); -            this.addEventListener(window, 'contextmenu', this.onContextMenu.bind(this)); -        } -    } - -    addEventListener(node, type, listener, options) { -        node.addEventListener(type, listener, options); -        this.eventListeners.push([node, type, listener, options]); -    } - -    clearEventListeners() { -        for (const [node, type, listener, options] of this.eventListeners) { -            node.removeEventListener(type, listener, options); -        } -        this.eventListeners = []; +    getMouseEventListeners() { +        return [ +            ...super.getMouseEventListeners(), +            [window, 'message', this.onWindowMessage.bind(this)], +            [window, 'resize', this.onResize.bind(this)] +        ];      }      async updateOptions() {          this.options = await apiOptionsGet(this.getOptionsContext()); -        this.setEnabled(this.options.general.enable);          await this.popup.setOptions(this.options); +        this.setEnabled(this.options.general.enable);      } -    async popupTimerWait() { -        const delay = this.options.scanning.delay; -        const promise = promiseTimeout(delay, true); -        this.popupTimerPromise = promise; -        try { -            return await promise; -        } finally { -            if (this.popupTimerPromise === promise) { -                this.popupTimerPromise = null; -            } -        } -    } - -    popupTimerClear() { -        if (this.popupTimerPromise !== null) { -            this.popupTimerPromise.resolve(false); -            this.popupTimerPromise = null; -        } -    } - -    async searchAt(x, y, cause) { -        try { -            this.popupTimerClear(); - -            if (this.pendingLookup || await this.popup.containsPoint(x, y)) { -                return; -            } - -            const textSource = docRangeFromPoint(x, y, this.options); -            if (this.textSourceCurrent !== null && this.textSourceCurrent.equals(textSource)) { -                return; -            } - -            try { -                await this.searchSource(textSource, cause); -            } finally { -                if (textSource !== null) { -                    textSource.cleanup(); -                } -            } -        } catch (e) { -            this.onError(e); -        } -    } - -    async searchSource(textSource, cause) { +    async onSearchSource(textSource, cause) {          let results = null;          try { -            this.pendingLookup = true;              if (textSource !== null) {                  results = (                      await this.findTerms(textSource) || @@ -382,10 +135,8 @@ class Frontend {              }          } finally {              if (results === null && this.options.scanning.autoHideResults) { -                this.searchClear(true); +                this.onSearchClear(true);              } - -            this.pendingLookup = false;          }          return results; @@ -400,11 +151,6 @@ class Frontend {              type,              {definitions, context: {sentence, url, focus, disableHistory: true}}          ); - -        this.textSourceCurrent = textSource; -        if (this.options.scanning.selectText) { -            textSource.select(); -        }      }      async findTerms(textSource) { @@ -433,65 +179,21 @@ class Frontend {          return {definitions, type: 'kanji'};      } -    searchClear(changeFocus) { +    onSearchClear(changeFocus) {          this.popup.hide(changeFocus);          this.popup.clearAutoPlayTimer(); - -        if (this.textSourceCurrent !== null) { -            if (this.options.scanning.selectText) { -                this.textSourceCurrent.deselect(); -            } - -            this.textSourceCurrent = null; -        } -    } - -    getIndexOfTouch(touchList, identifier) { -        for (const i in touchList) { -            const t = touchList[i]; -            if (t.identifier === identifier) { -                return i; -            } -        } -        return -1; -    } - -    setTextSourceScanLength(textSource, length) { -        textSource.setEndOffset(length); -        if (this.ignoreNodes === null || !textSource.range) { -            return; -        } - -        length = textSource.text().length; -        while (textSource.range && length > 0) { -            const nodes = TextSourceRange.getNodesInRange(textSource.range); -            if (!TextSourceRange.anyNodeMatchesSelector(nodes, this.ignoreNodes)) { -                break; -            } -            --length; -            textSource.setEndOffset(length); -        } +        super.onSearchClear(changeFocus);      }      getOptionsContext() {          this.optionsContext.url = this.popup.url;          return this.optionsContext;      } - -    static isScanningModifierPressed(scanningModifier, mouseEvent) { -        switch (scanningModifier) { -            case 'alt': return mouseEvent.altKey; -            case 'ctrl': return mouseEvent.ctrlKey; -            case 'shift': return mouseEvent.shiftKey; -            case 'none': return true; -            default: return false; -        } -    }  }  Frontend.windowMessageHandlers = {      popupClose: (self) => { -        self.searchClear(true); +        self.onSearchClear(true);      },      selectionCopy: () => { diff --git a/ext/fg/js/popup-nested.js b/ext/fg/js/popup-nested.js index 31cb1cda..3df469fe 100644 --- a/ext/fg/js/popup-nested.js +++ b/ext/fg/js/popup-nested.js @@ -41,6 +41,7 @@ async function popupNestedInitialize(id, depth, parentFrameId, url) {      window.frontendInitializationData = {id, depth, parentFrameId, ignoreNodes, url, proxy: true};      const scriptSrcs = [ +        '/mixed/js/text-scanner.js',          '/fg/js/frontend-api-sender.js',          '/fg/js/popup.js',          '/fg/js/popup-proxy.js', |