Merge remote-tracking branch 'upstream/master' into speedup-gpu
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gellert
commit
439ad94afe
85 changed files with 1592 additions and 757 deletions
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@ -9,12 +9,13 @@ the [`BrowserWindow`](browser-window.md) object. An example of accessing the
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`webContents` object:
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```javascript
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const {BrowserWindow} = require('electron');
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const {BrowserWindow} = require('electron')
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let win = new BrowserWindow({width: 800, height: 1500});
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win.loadURL('http://github.com');
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let win = new BrowserWindow({width: 800, height: 1500})
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win.loadURL('http://github.com')
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let contents = win.webContents;
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let contents = win.webContents
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console.log(contents)
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```
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## Methods
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@ -22,7 +23,8 @@ let contents = win.webContents;
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These methods can be accessed from the `webContents` module:
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```js
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const {webContents} = require('electron');
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const {webContents} = require('electron')
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console.log(webContents)
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```
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### `webContents.getAllWebContents()`
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@ -437,6 +439,7 @@ first available device will be selected. `callback` should be called with
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cancel the request.
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```javascript
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const {app, webContents} = require('electron')
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app.commandLine.appendSwitch('enable-web-bluetooth')
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app.on('ready', () => {
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@ -508,8 +511,9 @@ e.g. the `http://` or `file://`. If the load should bypass http cache then
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use the `pragma` header to achieve it.
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```javascript
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const options = {extraHeaders: 'pragma: no-cache\n'};
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webContents.loadURL(url, options);
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const {webContents} = require('electron')
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const options = {extraHeaders: 'pragma: no-cache\n'}
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webContents.loadURL('https://github.com', options)
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```
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#### `contents.downloadURL(url)`
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@ -524,10 +528,12 @@ Initiates a download of the resource at `url` without navigating. The
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Returns URL of the current web page.
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```javascript
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let win = new BrowserWindow({width: 800, height: 600});
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win.loadURL('http://github.com');
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const {BrowserWindow} = require('electron')
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let win = new BrowserWindow({width: 800, height: 600})
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win.loadURL('http://github.com')
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let currentURL = win.webContents.getURL();
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let currentURL = win.webContents.getURL()
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console.log(currentURL)
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```
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#### `contents.getTitle()`
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@ -661,6 +667,13 @@ Executes the editing command `cut` in web page.
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Executes the editing command `copy` in web page.
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### `contents.copyImageAt(x, y)`
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* `x` Integer
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* `y` Integer
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Copy the image at the given position to the clipboard.
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#### `contents.paste()`
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Executes the editing command `paste` in web page.
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@ -731,12 +744,13 @@ the request can be obtained by subscribing to
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Stops any `findInPage` request for the `webContents` with the provided `action`.
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```javascript
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const {webContents} = require('electron')
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webContents.on('found-in-page', (event, result) => {
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if (result.finalUpdate)
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webContents.stopFindInPage('clearSelection');
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});
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if (result.finalUpdate) webContents.stopFindInPage('clearSelection')
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})
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const requestId = webContents.findInPage('api');
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const requestId = webContents.findInPage('api')
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console.log(requestId)
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```
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#### `contents.capturePage([rect, ]callback)`
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@ -802,7 +816,7 @@ The `callback` will be called with `callback(error, data)` on completion. The
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By default, an empty `options` will be regarded as:
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```javascript
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```
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{
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marginsType: 0,
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printBackground: false,
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@ -814,23 +828,22 @@ By default, an empty `options` will be regarded as:
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An example of `webContents.printToPDF`:
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```javascript
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const {BrowserWindow} = require('electron');
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const fs = require('fs');
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const {BrowserWindow} = require('electron')
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const fs = require('fs')
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let win = new BrowserWindow({width: 800, height: 600});
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win.loadURL('http://github.com');
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let win = new BrowserWindow({width: 800, height: 600})
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win.loadURL('http://github.com')
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win.webContents.on('did-finish-load', () => {
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// Use default printing options
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win.webContents.printToPDF({}, (error, data) => {
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if (error) throw error;
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if (error) throw error
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fs.writeFile('/tmp/print.pdf', data, (error) => {
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if (error)
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throw error;
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console.log('Write PDF successfully.');
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});
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});
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});
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if (error) throw error
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console.log('Write PDF successfully.')
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})
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})
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})
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```
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#### `contents.addWorkSpace(path)`
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@ -841,9 +854,11 @@ Adds the specified path to DevTools workspace. Must be used after DevTools
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creation:
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```javascript
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const {BrowserWindow} = require('electron')
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let win = new BrowserWindow()
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win.webContents.on('devtools-opened', () => {
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win.webContents.addWorkSpace(__dirname);
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});
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win.webContents.addWorkSpace(__dirname)
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})
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```
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#### `contents.removeWorkSpace(path)`
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@ -904,15 +919,16 @@ An example of sending messages from the main process to the renderer process:
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```javascript
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// In the main process.
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let win = null;
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const {app, BrowserWindow} = require('electron')
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let win = null
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app.on('ready', () => {
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win = new BrowserWindow({width: 800, height: 600});
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win.loadURL(`file://${__dirname}/index.html`);
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win = new BrowserWindow({width: 800, height: 600})
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win.loadURL(`file://${__dirname}/index.html`)
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win.webContents.on('did-finish-load', () => {
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win.webContents.send('ping', 'whoooooooh!');
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});
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});
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win.webContents.send('ping', 'whoooooooh!')
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})
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})
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```
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```html
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@ -921,8 +937,8 @@ app.on('ready', () => {
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<body>
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<script>
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require('electron').ipcRenderer.on('ping', (event, message) => {
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console.log(message); // Prints "whoooooooh!"
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});
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console.log(message) // Prints 'whoooooooh!'
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})
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</script>
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</body>
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</html>
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@ -943,7 +959,7 @@ app.on('ready', () => {
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(screenPosition == mobile) (default: `{x: 0, y: 0}`)
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* `x` Integer - Set the x axis offset from top left corner
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* `y` Integer - Set the y axis offset from top left corner
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* `deviceScaleFactor` Integer - Set the device scale factor (if zero defaults to
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* `deviceScaleFactor` Float - Set the device scale factor (if zero defaults to
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original device scale factor) (default: `0`)
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* `viewSize` Object - Set the emulated view size (empty means no override)
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* `width` Integer - Set the emulated view width
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@ -1051,14 +1067,16 @@ the cursor when dragging.
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Returns true if the process of saving page has been initiated successfully.
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```javascript
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win.loadURL('https://github.com');
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const {BrowserWindow} = require('electron')
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let win = new BrowserWindow()
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win.loadURL('https://github.com')
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win.webContents.on('did-finish-load', () => {
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win.webContents.savePage('/tmp/test.html', 'HTMLComplete', (error) => {
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if (!error)
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console.log('Save page successfully');
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});
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});
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if (!error) console.log('Save page successfully')
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})
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})
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```
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#### `contents.showDefinitionForSelection()` _macOS_
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@ -1120,24 +1138,28 @@ Get the debugger instance for this webContents.
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Debugger API serves as an alternate transport for [remote debugging protocol][rdp].
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```javascript
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const {BrowserWindow} = require('electron')
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let win = new BrowserWindow()
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try {
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win.webContents.debugger.attach('1.1');
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} catch(err) {
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console.log('Debugger attach failed : ', err);
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};
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win.webContents.debugger.attach('1.1')
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} catch (err) {
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console.log('Debugger attach failed : ', err)
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}
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win.webContents.debugger.on('detach', (event, reason) => {
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console.log('Debugger detached due to : ', reason);
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});
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console.log('Debugger detached due to : ', reason)
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})
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win.webContents.debugger.on('message', (event, method, params) => {
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if (method === 'Network.requestWillBeSent') {
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if (params.request.url === 'https://www.github.com')
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win.webContents.debugger.detach();
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if (params.request.url === 'https://www.github.com') {
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win.webContents.debugger.detach()
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}
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}
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});
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})
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win.webContents.debugger.sendCommand('Network.enable');
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win.webContents.debugger.sendCommand('Network.enable')
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```
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### Instance Methods
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