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initialize webui with message handlers

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deepak1556 2017-01-17 22:40:15 +05:30
parent a7ed7068f6
commit 8a2b9c893e
4 changed files with 81 additions and 88 deletions
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47
atom/browser/resources/pdf_viewer/browser_api.js
View file

@ -71,13 +71,13 @@ class BrowserApi {
* @param {boolean} manageZoom Whether to manage zoom.
*/
static create(streamInfo, manageZoom) {
/*return Promise.all([
lookupDefaultZoom(streamInfo),
lookupInitialZoom(streamInfo)
]).then(function(zoomFactors) {*/
return Promise.all([
lookupDefaultZoom(streamInfo),
lookupInitialZoom(streamInfo)
]).then(function(zoomFactors) {
return new BrowserApi(
streamInfo, 1.0, 1.0, manageZoom);
//});
streamInfo, zoomFactors[0], zoomFactors[1], manageZoom);
});
}
/**
@ -143,34 +143,12 @@ class BrowserApi {
}
};
/**
* Creates a BrowserApi for an extension running as a mime handler.
* @return {Promise<BrowserApi>} A promise to a BrowserApi instance constructed
* using the mimeHandlerPrivate API.
*/
function createBrowserApiForMimeHandlerView() {
return new Promise(function(resolve, reject) {
chrome.mimeHandlerPrivate.getStreamInfo(resolve);
}).then(function(streamInfo) {
let manageZoom = !streamInfo.embedded && streamInfo.tabId != -1;
return new Promise(function(resolve, reject) {
if (!manageZoom) {
resolve();
return;
}
chrome.tabs.setZoomSettings(
streamInfo.tabId, {mode: 'manual', scope: 'per-tab'}, resolve);
}).then(function() { return BrowserApi.create(streamInfo, manageZoom); });
});
}
/**
* Creates a BrowserApi instance for an extension not running as a mime handler.
* @return {Promise<BrowserApi>} A promise to a BrowserApi instance constructed
* from the URL.
*/
function createBrowserApi(streamURL, originalURL) {
//let url = window.location.search.substring(1);
let streamInfo = {
streamUrl: streamURL,
originalUrl: originalURL,
@ -189,16 +167,3 @@ function createBrowserApi(streamURL, originalURL) {
//});
}).then(function() { return BrowserApi.create(streamInfo, false); });
}
/**
* Returns a promise that will resolve to a BrowserApi instance.
* @return {Promise<BrowserApi>} A promise to a BrowserApi instance for the
* current environment.
function createBrowserApi(streamURL, originalURL) {
//if (window.location.search)
return createBrowserApiForStandaloneExtension();
//return createBrowserApiForMimeHandlerView();
}
*/

73
atom/browser/resources/pdf_viewer/main.js
View file

@ -10,46 +10,43 @@
*/
var viewer;
/**
* Stores any pending messages received which should be passed to the
* PDFViewer when it is created.
* @type Array
*/
var pendingMessages = [];
//(function() {
/**
* Stores any pending messages received which should be passed to the
* PDFViewer when it is created.
* @type Array
*/
var pendingMessages = [];
/**
* Handles events that are received prior to the PDFViewer being created.
* @param {Object} message A message event received.
*/
function handleScriptingMessage(message) {
pendingMessages.push(message);
}
/**
* Handles events that are received prior to the PDFViewer being created.
* @param {Object} message A message event received.
*/
function handleScriptingMessage(message) {
pendingMessages.push(message);
}
/**
* Initialize the global PDFViewer and pass any outstanding messages to it.
* @param {Object} browserApi An object providing an API to the browser.
*/
function initViewer(browserApi) {
// PDFViewer will handle any messages after it is created.
window.removeEventListener('message', handleScriptingMessage, false);
viewer = new PDFViewer(browserApi);
while (pendingMessages.length > 0)
viewer.handleScriptingMessage(pendingMessages.shift());
}
/**
* Initialize the global PDFViewer and pass any outstanding messages to it.
* @param {Object} browserApi An object providing an API to the browser.
*/
function initViewer(browserApi) {
// PDFViewer will handle any messages after it is created.
window.removeEventListener('message', handleScriptingMessage, false);
viewer = new PDFViewer(browserApi);
while (pendingMessages.length > 0)
viewer.handleScriptingMessage(pendingMessages.shift());
}
/**
* Entrypoint for starting the PDF viewer. This function obtains the browser
* API for the PDF and constructs a PDFViewer object with it.
*/
function main(streamURL, originalURL) {
// Set up an event listener to catch scripting messages which are sent prior
// to the PDFViewer being created.
window.addEventListener('message', handleScriptingMessage, false);
/**
* Entrypoint for starting the PDF viewer. This function obtains the browser
* API for the PDF and constructs a PDFViewer object with it.
*/
function main(streamURL, originalURL) {
// Set up an event listener to catch scripting messages which are sent prior
// to the PDFViewer being created.
window.addEventListener('message', handleScriptingMessage, false);
createBrowserApi(streamURL, originalURL).then(initViewer);
};
createBrowserApi(streamURL, originalURL).then(initViewer);
};
//main();
//})();
chrome.send('initialize');