Publish Vulpes Preview 15 sources for desktop, Android and Tundra

Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.

gaia/build/media-resolution.js

@@ -0,0 +1,78 @@
+'use strict';
+
+/**
+ * Filter images/video by GAIA_DEV_PIXELS_PER_PX.
+ */
+
+var utils = require('./utils');
+
+var MediaResolution = function() {
+  this.options = null;
+};
+
+MediaResolution.prototype.setOptions = function(options) {
+  this.options = options;
+};
+
+// If options.GAIA_DEV_PIXELS_PER_PX is not 1 and the file is a bitmap or video
+// let's check if there is a bigger version in the directory.
+// If so let's ignore the file in order to use the bigger version later.
+MediaResolution.prototype.pickMediaByResolution = function(file) {
+  if (!/\.(png|gif|jpg|webm|mp4|m4v|ogg|ogv)$/.test(file.path)) {
+    return;
+  }
+
+  var gaiaPixelsPerPx = this.options.GAIA_DEV_PIXELS_PER_PX;
+  var suffix = '@' + gaiaPixelsPerPx + 'x';
+  var matchResult = /@([0-9]+\.?[0-9]*)x/.exec(file.path);
+
+  if ((gaiaPixelsPerPx === '1' && matchResult) ||
+      (matchResult && matchResult[1] !== gaiaPixelsPerPx) && file.exists()) {
+      file.remove(true);
+  }
+
+  if (gaiaPixelsPerPx !== '1') {
+    if (matchResult && matchResult[1] === gaiaPixelsPerPx) {
+      // Save the hidpi file to the zip, strip the name to be more generic.
+      utils.copyFileTo(file.path, file.parent.path,
+        utils.basename(file.path).replace(suffix, ''));
+      if (file.exists()) {
+        file.remove(true);
+      }
+    } else {
+      // Check if there a hidpi file. If yes, let's ignore this file since
+      // it will be loaded later (or it has already been loaded, depending on
+      // how the OS organize files.
+      var hqfile = utils.getFile(
+        file.path.replace(/(\.[a-z]+$)/, suffix + '$1'));
+      if (hqfile.exists() && file.exists()) {
+        file.remove(true);
+      }
+    }
+  }
+};
+
+MediaResolution.prototype.execute = function(options) {
+  this.setOptions(options);
+
+  // Sort listing by path to ensure hidpi files are processed *after* the
+  // corresponding 1x file
+  var buildDir = utils.getFile(options.webapp.buildDirectoryFilePath);
+  var files = utils.ls(buildDir, true).sort(function(a, b) {
+    if(a.path < b.path) {
+      return -1;
+    }
+    if(a.path > b.path) {
+      return 1;
+    }
+    return 0;
+  });
+  files.forEach(this.pickMediaByResolution, this);
+};
+
+function execute(options) {
+  (new MediaResolution()).execute(options);
+}
+
+exports.execute = execute;
+exports.MediaResolution = MediaResolution;