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-rw-r--r--chromium/chrome/browser/resources/pdf/pdf_scripting_api.js185
1 files changed, 101 insertions, 84 deletions
diff --git a/chromium/chrome/browser/resources/pdf/pdf_scripting_api.js b/chromium/chrome/browser/resources/pdf/pdf_scripting_api.js
index 0ab77f41f3f..5957e13c178 100644
--- a/chromium/chrome/browser/resources/pdf/pdf_scripting_api.js
+++ b/chromium/chrome/browser/resources/pdf/pdf_scripting_api.js
@@ -6,7 +6,7 @@
* Turn a dictionary received from postMessage into a key event.
*
* @param {Object} dict A dictionary representing the key event.
- * @return {Event} A key event.
+ * @return {!Event} A key event.
*/
function DeserializeKeyEvent(dict) {
const e = document.createEvent('Event');
@@ -53,66 +53,83 @@ const LoadState = {
* Create a new PDFScriptingAPI. This provides a scripting interface to
* the PDF viewer so that it can be customized by things like print preview.
*
- * @param {Window} window the window of the page containing the pdf viewer.
- * @param {Object} plugin the plugin element containing the pdf viewer.
- * @constructor
*/
-function PDFScriptingAPI(window, plugin) {
- this.loadState_ = LoadState.LOADING;
- this.pendingScriptingMessages_ = [];
- this.setPlugin(plugin);
+class PDFScriptingAPI {
+ /**
+ * @param {Window} window the window of the page containing the pdf viewer.
+ * @param {Object} plugin the plugin element containing the pdf viewer.
+ */
+ constructor(window, plugin) {
+ this.loadState_ = LoadState.LOADING;
+ this.pendingScriptingMessages_ = [];
+ this.setPlugin(plugin);
- window.addEventListener('message', event => {
- if (event.origin != 'chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai' &&
- event.origin != 'chrome://print') {
- console.error(
- 'Received message that was not from the extension: ' + event);
- return;
- }
- switch (event.data.type) {
- case 'viewport':
- /**
- * @type {{
- * pageX: number,
- * pageY: number,
- * pageWidth: number,
- * viewportWidth: number,
- * viewportHeight: number
- * }}
- */
- const viewportData = event.data;
- if (this.viewportChangedCallback_) {
- this.viewportChangedCallback_(
- viewportData.pageX, viewportData.pageY, viewportData.pageWidth,
- viewportData.viewportWidth, viewportData.viewportHeight);
- }
- break;
- case 'documentLoaded': {
- const data = /** @type {{load_state: LoadState}} */ (event.data);
- this.loadState_ = data.load_state;
- if (this.loadCallback_) {
- this.loadCallback_(this.loadState_ == LoadState.SUCCESS);
- }
- break;
+ /** @private {Function} */
+ this.viewportChangedCallback_;
+
+ /** @private {Function} */
+ this.loadCallback_;
+
+ /** @private {Function} */
+ this.selectedTextCallback_;
+
+ /** @private {Function} */
+ this.keyEventCallback_;
+
+ /** @private {Object} */
+ this.plugin_;
+
+ window.addEventListener('message', event => {
+ if (event.origin !=
+ 'chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai' &&
+ event.origin != 'chrome://print') {
+ console.error(
+ 'Received message that was not from the extension: ' + event);
+ return;
}
- case 'getSelectedTextReply': {
- const data = /** @type {{selectedText: string}} */ (event.data);
- if (this.selectedTextCallback_) {
- this.selectedTextCallback_(data.selectedText);
- this.selectedTextCallback_ = null;
+ switch (event.data.type) {
+ case 'viewport':
+ /**
+ * @type {{
+ * pageX: number,
+ * pageY: number,
+ * pageWidth: number,
+ * viewportWidth: number,
+ * viewportHeight: number
+ * }}
+ */
+ const viewportData = event.data;
+ if (this.viewportChangedCallback_) {
+ this.viewportChangedCallback_(
+ viewportData.pageX, viewportData.pageY, viewportData.pageWidth,
+ viewportData.viewportWidth, viewportData.viewportHeight);
+ }
+ break;
+ case 'documentLoaded': {
+ const data = /** @type {{load_state: LoadState}} */ (event.data);
+ this.loadState_ = data.load_state;
+ if (this.loadCallback_) {
+ this.loadCallback_(this.loadState_ == LoadState.SUCCESS);
+ }
+ break;
}
- break;
- }
- case 'sendKeyEvent':
- if (this.keyEventCallback_) {
- this.keyEventCallback_(DeserializeKeyEvent(event.data.keyEvent));
+ case 'getSelectedTextReply': {
+ const data = /** @type {{selectedText: string}} */ (event.data);
+ if (this.selectedTextCallback_) {
+ this.selectedTextCallback_(data.selectedText);
+ this.selectedTextCallback_ = null;
+ }
+ break;
}
- break;
- }
- }, false);
-}
+ case 'sendKeyEvent':
+ if (this.keyEventCallback_) {
+ this.keyEventCallback_(DeserializeKeyEvent(event.data.keyEvent));
+ }
+ break;
+ }
+ }, false);
+ }
-PDFScriptingAPI.prototype = {
/**
* Send a message to the extension. If messages try to get sent before there
* is a plugin element set, then we queue them up and send them later (this
@@ -121,13 +138,13 @@ PDFScriptingAPI.prototype = {
* @param {Object} message The message to send.
* @private
*/
- sendMessage_: function(message) {
+ sendMessage_(message) {
if (this.plugin_) {
this.plugin_.postMessage(message, '*');
} else {
this.pendingScriptingMessages_.push(message);
}
- },
+ }
/**
* Sets the plugin element containing the PDF viewer. The element will usually
@@ -135,7 +152,7 @@ PDFScriptingAPI.prototype = {
*
* @param {Object} plugin the plugin element containing the PDF viewer.
*/
- setPlugin: function(plugin) {
+ setPlugin(plugin) {
this.plugin_ = plugin;
if (this.plugin_) {
@@ -147,16 +164,16 @@ PDFScriptingAPI.prototype = {
this.sendMessage_(this.pendingScriptingMessages_.shift());
}
}
- },
+ }
/**
* Sets the callback which will be run when the PDF viewport changes.
*
* @param {Function} callback the callback to be called.
*/
- setViewportChangedCallback: function(callback) {
+ setViewportChangedCallback(callback) {
this.viewportChangedCallback_ = callback;
- },
+ }
/**
* Sets the callback which will be run when the PDF document has finished
@@ -164,20 +181,20 @@ PDFScriptingAPI.prototype = {
*
* @param {Function} callback the callback to be called.
*/
- setLoadCallback: function(callback) {
+ setLoadCallback(callback) {
this.loadCallback_ = callback;
if (this.loadState_ != LoadState.LOADING && this.loadCallback_) {
this.loadCallback_(this.loadState_ == LoadState.SUCCESS);
}
- },
+ }
/**
* Sets a callback that gets run when a key event is fired in the PDF viewer.
* @param {Function} callback the callback to be called with a key event.
*/
- setKeyEventCallback: function(callback) {
+ setKeyEventCallback(callback) {
this.keyEventCallback_ = callback;
- },
+ }
/**
* Resets the PDF viewer into print preview mode.
@@ -187,7 +204,7 @@ PDFScriptingAPI.prototype = {
* @param {Array<number>} pageNumbers an array of the page numbers.
* @param {boolean} modifiable whether or not the document is modifiable.
*/
- resetPrintPreviewMode: function(url, grayscale, pageNumbers, modifiable) {
+ resetPrintPreviewMode(url, grayscale, pageNumbers, modifiable) {
this.loadState_ = LoadState.LOADING;
this.sendMessage_({
type: 'resetPrintPreviewMode',
@@ -196,14 +213,14 @@ PDFScriptingAPI.prototype = {
pageNumbers: pageNumbers,
modifiable: modifiable
});
- },
+ }
/**
* Hide the toolbars after a delay.
*/
- hideToolbars: function() {
+ hideToolbars() {
this.sendMessage_({type: 'hideToolbars'});
- },
+ }
/**
* Load a page into the document while in print preview mode.
@@ -211,22 +228,22 @@ PDFScriptingAPI.prototype = {
* @param {string} url the url of the pdf page to load.
* @param {number} index the index of the page to load.
*/
- loadPreviewPage: function(url, index) {
+ loadPreviewPage(url, index) {
this.sendMessage_({type: 'loadPreviewPage', url: url, index: index});
- },
+ }
/** @param {boolean} darkMode Whether the page is in dark mode. */
- darkModeChanged: function(darkMode) {
+ darkModeChanged(darkMode) {
this.sendMessage_({type: 'darkModeChanged', darkMode: darkMode});
- },
+ }
/**
* Select all the text in the document. May only be called after document
* load.
*/
- selectAll: function() {
+ selectAll() {
this.sendMessage_({type: 'selectAll'});
- },
+ }
/**
* Get the selected text in the document. The callback will be called with the
@@ -236,40 +253,40 @@ PDFScriptingAPI.prototype = {
* @return {boolean} true if the function is successful, false if there is an
* outstanding request for selected text that has not been answered.
*/
- getSelectedText: function(callback) {
+ getSelectedText(callback) {
if (this.selectedTextCallback_) {
return false;
}
this.selectedTextCallback_ = callback;
this.sendMessage_({type: 'getSelectedText'});
return true;
- },
+ }
/**
* Print the document. May only be called after document load.
*/
- print: function() {
+ print() {
this.sendMessage_({type: 'print'});
- },
+ }
/**
* Send a key event to the extension.
*
* @param {Event} keyEvent the key event to send to the extension.
*/
- sendKeyEvent: function(keyEvent) {
+ sendKeyEvent(keyEvent) {
this.sendMessage_(
{type: 'sendKeyEvent', keyEvent: SerializeKeyEvent(keyEvent)});
- },
+ }
/**
* @param {number} scrollX The amount to horizontally scroll in pixels.
* @param {number} scrollY The amount to vertically scroll in pixels.
*/
- scrollPosition: function(scrollX, scrollY) {
+ scrollPosition(scrollX, scrollY) {
this.sendMessage_({type: 'scrollPosition', x: scrollX, y: scrollY});
- },
-};
+ }
+}
/**
* Creates a PDF viewer with a scripting interface. This is basically 1) an
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 00:00:46 +0000