initial commit

1 files changed, 37 insertions, 0 deletions

diff --git a/src/webview/zoom.js b/src/webview/zoom.js
new file mode 100644
index 000000000..99c647036
--- /dev/null
+++ b/src/webview/zoom.js
@@ -0,0 +1,37 @@
+const electron = require('electron');
+
+const { ipcRenderer, webFrame } = electron;
+
+const maxZoomLevel = 9;
+const minZoomLevel = -8;
+let zoomLevel = 0;
+
+ipcRenderer.on('zoomIn', () => {
+  if (maxZoomLevel > zoomLevel) {
+    zoomLevel += 1;
+  }
+  webFrame.setZoomLevel(zoomLevel);
+
+  ipcRenderer.sendToHost('zoomLevel', { zoom: zoomLevel });
+});
+
+ipcRenderer.on('zoomOut', () => {
+  if (minZoomLevel < zoomLevel) {
+    zoomLevel -= 1;
+  }
+  webFrame.setZoomLevel(zoomLevel);
+
+  ipcRenderer.sendToHost('zoomLevel', { zoom: zoomLevel });
+});
+
+ipcRenderer.on('zoomReset', () => {
+  zoomLevel = 0;
+  webFrame.setZoomLevel(zoomLevel);
+
+  ipcRenderer.sendToHost('zoomLevel', { zoom: zoomLevel });
+});
+
+ipcRenderer.on('setZoom', (e, arg) => {
+  zoomLevel = arg;
+  webFrame.setZoomLevel(zoomLevel);
+});