[cc] Initial checkin of cc-frame-viewer

tools/cc-frame-viewer/src/tree_quad_view.js

+/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+'use strict';
+
+base.require('ui');
+base.require('color_mappings');
+base.require('quad_view');
+
+base.exportTo('ccfv', function() {
+
+  /**
+   * @constructor
+   */
+  function TreeQuadViewSelection(view, tiles) {
+    this.view = view;
+    this.tiles = tiles;
+  }
+
+  TreeQuadViewSelection.prototype = {
+    activate: function() {
+      this.tiles.forEach(function(tile) {
+        tile.selected = true;
+      });
+      this.view.updateQuads_();
+    },
+
+    deactivate: function() {
+      this.tiles.forEach(function(tile) {
+        tile.selected = false;
+      });
+      this.view.updateQuads_();
+    }
+  };
+
+  /**
+   * @constructor
+   */
+  var TreeQuadView = ui.define(ccfv.QuadView);
+
+  TreeQuadView.prototype = {
+    __proto__: ccfv.QuadView.prototype,
+
+    decorate: function() {
+      this.which_tree_ = undefined;
+      this.tiles_ = undefined;
+      this.colorMap_ = ccfv.ALL_TILE_COLOR_MAPS[0];
+    },
+
+    get tiles() {
+      return this.tiles_;
+    },
+
+    set tiles(tiles) {
+      this.tiles_ = tiles;
+      this.updateQuads_();
+    },
+
+    get which_tree() {
+      return this.which_tree_;
+    },
+
+    set which_tree(which_tree) {
+      this.which_tree_ = which_tree;
+      this.updateQuads_();
+    },
+
+    get colorMap() {
+      return this.colorMap_;
+    },
+
+    set colorMap(map) {
+      this.colorMap_ = map;
+      this.updateQuads_();
+    },
+
+    updateQuads_: function() {
+      if (this.which_tree_ === undefined ||
+          !this.tiles_) {
+        this.quads = undefined;
+        return;
+      }
+
+      var tiles = this.tiles_;
+      var which_tree = this.which_tree_;
+
+      var quads = [];
+      for (var i = 0; i < tiles.length; i++) {
+        var tile = tiles[i];
+        var priority = tile.priority[which_tree];
+        if (!priority.is_live)
+          continue;
+
+        var value = this.colorMap_.getValueForTile(tile, priority);
+        var backgroundColor = value !== undefined ?
+          this.colorMap_.getBackgroundColorForValue(value) : undefined;
+
+        var quad = priority.current_screen_quad;
+        quads.push({
+          backgroundColor: backgroundColor,
+          selected: tile.selected,
+          p1: quad.p1,
+          p2: quad.p2,
+          p3: quad.p3,
+          p4: quad.p4
+        });
+      }
+      this.quads = quads;
+    },
+
+    createSelection_: function(quadIndices) {
+      var tiles = [];
+      for (var i = 0; i < quadIndices.length; i++)
+        tiles.push(this.tiles_[quadIndices[i]]);
+      return new TreeQuadViewSelection(this, tiles);
+    }
+  }
+
+  return {
+    TreeQuadView: TreeQuadView,
+    TreeQuadViewSelection: TreeQuadViewSelection,
+  }
+});
+