forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			670 lines
		
	
	
	
		
			23 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			670 lines
		
	
	
	
		
			23 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
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 * This Source Code Form is subject to the terms of the Mozilla Public
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
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 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var PointerlockFsWarning = {
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  _element: null,
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  _origin: null,
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  /**
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   * Timeout object for managing timeout request. If it is started when
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   * the previous call hasn't finished, it would automatically cancelled
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   * the previous one.
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   */
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  Timeout: class {
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    constructor(func, delay) {
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      this._id = 0;
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      this._func = func;
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      this._delay = delay;
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    }
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    start() {
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      this.cancel();
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      this._id = setTimeout(() => this._handle(), this._delay);
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    }
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    cancel() {
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      if (this._id) {
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        clearTimeout(this._id);
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        this._id = 0;
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      }
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    }
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    _handle() {
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      this._id = 0;
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      this._func();
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    }
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    get delay() {
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      return this._delay;
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    }
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  },
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  showPointerLock(aOrigin) {
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    if (!document.fullscreen) {
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      let timeout = gPrefService.getIntPref("pointer-lock-api.warning.timeout");
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      this.show(aOrigin, "pointerlock-warning", timeout, 0);
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    }
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  },
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  showFullScreen(aOrigin) {
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    let timeout = gPrefService.getIntPref("full-screen-api.warning.timeout");
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    let delay = gPrefService.getIntPref("full-screen-api.warning.delay");
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    this.show(aOrigin, "fullscreen-warning", timeout, delay);
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  },
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  // Shows a warning that the site has entered fullscreen or
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  // pointer lock for a short duration.
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  show(aOrigin, elementId, timeout, delay) {
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    if (!this._element) {
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      this._element = document.getElementById(elementId);
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      // Setup event listeners
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      this._element.addEventListener("transitionend", this);
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      window.addEventListener("mousemove", this, true);
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      // The timeout to hide the warning box after a while.
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      this._timeoutHide = new this.Timeout(() => {
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        this._state = "hidden";
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      }, timeout);
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      // The timeout to show the warning box when the pointer is at the top
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      this._timeoutShow = new this.Timeout(() => {
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        this._state = "ontop";
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        this._timeoutHide.start();
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      }, delay);
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    }
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    // Set the strings on the warning UI.
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    if (aOrigin) {
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      this._origin = aOrigin;
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    }
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    let uri = Services.io.newURI(this._origin);
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    let host = null;
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    try {
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      host = uri.host;
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    } catch (e) { }
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    let textElem = this._element.querySelector(".pointerlockfswarning-domain-text");
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    if (!host) {
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      textElem.setAttribute("hidden", true);
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    } else {
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      textElem.removeAttribute("hidden");
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      let hostElem = this._element.querySelector(".pointerlockfswarning-domain");
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      // Document's principal's URI has a host. Display a warning including it.
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      let utils = {};
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      Cu.import("resource://gre/modules/DownloadUtils.jsm", utils);
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      hostElem.textContent = utils.DownloadUtils.getURIHost(uri.spec)[0];
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    }
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    this._element.dataset.identity =
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      gIdentityHandler.pointerlockFsWarningClassName;
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    // User should be allowed to explicitly disable
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    // the prompt if they really want.
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    if (this._timeoutHide.delay <= 0) {
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      return;
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    }
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    // Explicitly set the last state to hidden to avoid the warning
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    // box being hidden immediately because of mousemove.
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    this._state = "onscreen";
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    this._lastState = "hidden";
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    this._timeoutHide.start();
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  },
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  close() {
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    if (!this._element) {
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      return;
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    }
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    // Cancel any pending timeout
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    this._timeoutHide.cancel();
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    this._timeoutShow.cancel();
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    // Reset state of the warning box
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    this._state = "hidden";
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    this._element.setAttribute("hidden", true);
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    // Remove all event listeners
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    this._element.removeEventListener("transitionend", this);
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    window.removeEventListener("mousemove", this, true);
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    // Clear fields
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    this._element = null;
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    this._timeoutHide = null;
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    this._timeoutShow = null;
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    // Ensure focus switches away from the (now hidden) warning box.
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    // If the user clicked buttons in the warning box, it would have
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    // been focused, and any key events would be directed at the (now
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    // hidden) chrome document instead of the target document.
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    gBrowser.selectedBrowser.focus();
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  },
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  // State could be one of "onscreen", "ontop", "hiding", and
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  // "hidden". Setting the state to "onscreen" and "ontop" takes
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  // effect immediately, while setting it to "hidden" actually
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  // turns the state to "hiding" before the transition finishes.
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  _lastState: null,
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  _STATES: ["hidden", "ontop", "onscreen"],
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  get _state() {
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    for (let state of this._STATES) {
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      if (this._element.hasAttribute(state)) {
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        return state;
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      }
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    }
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    return "hiding";
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  },
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  set _state(newState) {
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    let currentState = this._state;
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    if (currentState == newState) {
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      return;
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    }
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    if (currentState != "hiding") {
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      this._lastState = currentState;
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      this._element.removeAttribute(currentState);
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    }
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    if (newState != "hidden") {
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      if (currentState != "hidden") {
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        this._element.setAttribute(newState, true);
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      } else {
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        // When the previous state is hidden, the display was none,
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        // thus no box was constructed. We need to wait for the new
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        // display value taking effect first, otherwise, there won't
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        // be any transition. Since requestAnimationFrame callback is
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        // generally triggered before any style flush and layout, we
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        // should wait for the second animation frame.
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        requestAnimationFrame(() => {
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          requestAnimationFrame(() => {
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            if (this._element) {
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              this._element.setAttribute(newState, true);
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            }
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          });
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        });
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      }
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    }
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  },
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  handleEvent(event) {
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    switch (event.type) {
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    case "mousemove": {
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      let state = this._state;
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      if (state == "hidden") {
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        // If the warning box is currently hidden, show it after
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        // a short delay if the pointer is at the top.
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        if (event.clientY != 0) {
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          this._timeoutShow.cancel();
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        } else if (this._timeoutShow.delay >= 0) {
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          this._timeoutShow.start();
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        }
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      } else {
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        let elemRect = this._element.getBoundingClientRect();
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        if (state == "hiding" && this._lastState != "hidden") {
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          // If we are on the hiding transition, and the pointer
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          // moved near the box, restore to the previous state.
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          if (event.clientY <= elemRect.bottom + 50) {
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            this._state = this._lastState;
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            this._timeoutHide.start();
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          }
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        } else if (state == "ontop" || this._lastState != "hidden") {
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          // State being "ontop" or the previous state not being
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          // "hidden" indicates this current warning box is shown
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          // in response to user's action. Hide it immediately when
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          // the pointer leaves that area.
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          if (event.clientY > elemRect.bottom + 50) {
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            this._state = "hidden";
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            this._timeoutHide.cancel();
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          }
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        }
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      }
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      break;
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    }
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    case "transitionend": {
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      if (this._state == "hiding") {
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        this._element.setAttribute("hidden", true);
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      }
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      break;
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    }
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    }
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  }
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};
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var PointerLock = {
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  init() {
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    window.messageManager.addMessageListener("PointerLock:Entered", this);
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    window.messageManager.addMessageListener("PointerLock:Exited", this);
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  },
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  receiveMessage(aMessage) {
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    switch (aMessage.name) {
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      case "PointerLock:Entered": {
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        PointerlockFsWarning.showPointerLock(aMessage.data.originNoSuffix);
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        break;
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      }
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      case "PointerLock:Exited": {
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        PointerlockFsWarning.close();
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        break;
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      }
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    }
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  }
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};
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var FullScreen = {
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  _MESSAGES: [
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    "DOMFullscreen:Request",
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    "DOMFullscreen:NewOrigin",
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    "DOMFullscreen:Exit",
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    "DOMFullscreen:Painted",
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  ],
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  init() {
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    // called when we go into full screen, even if initiated by a web page script
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    window.addEventListener("fullscreen", this, true);
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    window.addEventListener("MozDOMFullscreen:Entered", this,
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                            /* useCapture */ true,
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                            /* wantsUntrusted */ false);
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    window.addEventListener("MozDOMFullscreen:Exited", this,
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                            /* useCapture */ true,
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                            /* wantsUntrusted */ false);
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    for (let type of this._MESSAGES) {
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      window.messageManager.addMessageListener(type, this);
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    }
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    if (window.fullScreen)
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      this.toggle();
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  },
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  uninit() {
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    for (let type of this._MESSAGES) {
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      window.messageManager.removeMessageListener(type, this);
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    }
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    this.cleanup();
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  },
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  toggle() {
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    var enterFS = window.fullScreen;
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    // Toggle the View:FullScreen command, which controls elements like the
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    // fullscreen menuitem, and menubars.
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    let fullscreenCommand = document.getElementById("View:FullScreen");
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    if (enterFS) {
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      fullscreenCommand.setAttribute("checked", enterFS);
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    } else {
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      fullscreenCommand.removeAttribute("checked");
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    }
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    if (AppConstants.platform == "macosx") {
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      // Make sure the menu items are adjusted.
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      document.getElementById("enterFullScreenItem").hidden = enterFS;
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      document.getElementById("exitFullScreenItem").hidden = !enterFS;
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    }
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    if (!this._fullScrToggler) {
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      this._fullScrToggler = document.getElementById("fullscr-toggler");
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      this._fullScrToggler.addEventListener("mouseover", this._expandCallback);
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      this._fullScrToggler.addEventListener("dragenter", this._expandCallback);
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      this._fullScrToggler.addEventListener("touchmove", this._expandCallback, {passive: true});
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    }
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    if (enterFS) {
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      gNavToolbox.setAttribute("inFullscreen", true);
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      document.documentElement.setAttribute("inFullscreen", true);
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      if (!document.fullscreenElement && this.useLionFullScreen)
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        document.documentElement.setAttribute("OSXLionFullscreen", true);
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    } else {
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      gNavToolbox.removeAttribute("inFullscreen");
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      document.documentElement.removeAttribute("inFullscreen");
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      document.documentElement.removeAttribute("OSXLionFullscreen");
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    }
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    if (!document.fullscreenElement)
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      this._updateToolbars(enterFS);
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    if (enterFS) {
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      document.addEventListener("keypress", this._keyToggleCallback);
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      document.addEventListener("popupshown", this._setPopupOpen);
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      document.addEventListener("popuphidden", this._setPopupOpen);
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      // In DOM fullscreen mode, we hide toolbars with CSS
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      if (!document.fullscreenElement)
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        this.hideNavToolbox(true);
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    } else {
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      this.showNavToolbox(false);
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      // This is needed if they use the context menu to quit fullscreen
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      this._isPopupOpen = false;
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      this.cleanup();
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      // In TabsInTitlebar._update(), we cancel the appearance update on
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      // resize event for exiting fullscreen, since that happens before we
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      // change the UI here in the "fullscreen" event. Hence we need to
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      // call it here to ensure the appearance is properly updated. See
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      // TabsInTitlebar._update() and bug 1173768.
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      TabsInTitlebar.updateAppearance(true);
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    }
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    if (enterFS && !document.fullscreenElement) {
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      Services.telemetry.getHistogramById("FX_BROWSER_FULLSCREEN_USED")
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                        .add(1);
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    }
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  },
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  exitDomFullScreen() {
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    document.exitFullscreen();
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  },
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  handleEvent(event) {
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    switch (event.type) {
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      case "fullscreen":
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        this.toggle();
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        break;
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      case "MozDOMFullscreen:Entered": {
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        // The event target is the element which requested the DOM
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        // fullscreen. If we were entering DOM fullscreen for a remote
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        // browser, the target would be `gBrowser` and the original
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        // target would be the browser which was the parameter of
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        // `remoteFrameFullscreenChanged` call. If the fullscreen
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        // request was initiated from an in-process browser, we need
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        // to get its corresponding browser here.
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        let browser;
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        if (event.target == gBrowser) {
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          browser = event.originalTarget;
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        } else {
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          let topWin = event.target.ownerGlobal.top;
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          browser = gBrowser.getBrowserForContentWindow(topWin);
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        }
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        TelemetryStopwatch.start("FULLSCREEN_CHANGE_MS");
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        this.enterDomFullscreen(browser);
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        break;
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      }
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      case "MozDOMFullscreen:Exited":
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        TelemetryStopwatch.start("FULLSCREEN_CHANGE_MS");
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        this.cleanupDomFullscreen();
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        break;
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    }
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  },
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  receiveMessage(aMessage) {
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    let browser = aMessage.target;
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    switch (aMessage.name) {
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      case "DOMFullscreen:Request": {
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        this._windowUtils.remoteFrameFullscreenChanged(browser);
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        break;
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      }
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      case "DOMFullscreen:NewOrigin": {
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        // Don't show the warning if we've already exited fullscreen.
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        if (document.fullscreen) {
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          PointerlockFsWarning.showFullScreen(aMessage.data.originNoSuffix);
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        }
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        break;
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      }
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      case "DOMFullscreen:Exit": {
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        this._windowUtils.remoteFrameFullscreenReverted();
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        break;
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      }
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      case "DOMFullscreen:Painted": {
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        Services.obs.notifyObservers(window, "fullscreen-painted");
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        TelemetryStopwatch.finish("FULLSCREEN_CHANGE_MS");
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        break;
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      }
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    }
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  },
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  enterDomFullscreen(aBrowser) {
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						|
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						|
    if (!document.fullscreenElement) {
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      return;
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    }
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    // If we have a current pointerlock warning shown then hide it
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						|
    // before transition.
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    PointerlockFsWarning.close();
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						|
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						|
    // If it is a remote browser, send a message to ask the content
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						|
    // to enter fullscreen state. We don't need to do so if it is an
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						|
    // in-process browser, since all related document should have
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						|
    // entered fullscreen state at this point.
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						|
    // This should be done before the active tab check below to ensure
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    // that the content document handles the pending request. Doing so
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    // before the check is fine since we also check the activeness of
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    // the requesting document in content-side handling code.
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    if (this._isRemoteBrowser(aBrowser)) {
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      aBrowser.messageManager.sendAsyncMessage("DOMFullscreen:Entered");
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    }
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						|
    // If we've received a fullscreen notification, we have to ensure that the
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						|
    // element that's requesting fullscreen belongs to the browser that's currently
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    // active. If not, we exit fullscreen since the "full-screen document" isn't
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    // actually visible now.
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						|
    if (!aBrowser || gBrowser.selectedBrowser != aBrowser ||
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        // The top-level window has lost focus since the request to enter
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        // full-screen was made. Cancel full-screen.
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        Services.focus.activeWindow != window) {
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						|
      // This function is called synchronously in fullscreen change, so
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      // we have to avoid calling exitFullscreen synchronously here.
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      setTimeout(() => document.exitFullscreen(), 0);
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      return;
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    }
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    document.documentElement.setAttribute("inDOMFullscreen", true);
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						|
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						|
    if (gFindBarInitialized) {
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      gFindBar.close(true);
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    }
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    // Exit DOM full-screen mode upon open, close, or change tab.
 | 
						|
    gBrowser.tabContainer.addEventListener("TabOpen", this.exitDomFullScreen);
 | 
						|
    gBrowser.tabContainer.addEventListener("TabClose", this.exitDomFullScreen);
 | 
						|
    gBrowser.tabContainer.addEventListener("TabSelect", this.exitDomFullScreen);
 | 
						|
 | 
						|
    // Add listener to detect when the fullscreen window is re-focused.
 | 
						|
    // If a fullscreen window loses focus, we show a warning when the
 | 
						|
    // fullscreen window is refocused.
 | 
						|
    window.addEventListener("activate", this);
 | 
						|
  },
 | 
						|
 | 
						|
  cleanup() {
 | 
						|
    if (!window.fullScreen) {
 | 
						|
      MousePosTracker.removeListener(this);
 | 
						|
      document.removeEventListener("keypress", this._keyToggleCallback);
 | 
						|
      document.removeEventListener("popupshown", this._setPopupOpen);
 | 
						|
      document.removeEventListener("popuphidden", this._setPopupOpen);
 | 
						|
    }
 | 
						|
  },
 | 
						|
 | 
						|
  cleanupDomFullscreen() {
 | 
						|
    window.messageManager
 | 
						|
          .broadcastAsyncMessage("DOMFullscreen:CleanUp");
 | 
						|
 | 
						|
    PointerlockFsWarning.close();
 | 
						|
    gBrowser.tabContainer.removeEventListener("TabOpen", this.exitDomFullScreen);
 | 
						|
    gBrowser.tabContainer.removeEventListener("TabClose", this.exitDomFullScreen);
 | 
						|
    gBrowser.tabContainer.removeEventListener("TabSelect", this.exitDomFullScreen);
 | 
						|
    window.removeEventListener("activate", this);
 | 
						|
 | 
						|
    document.documentElement.removeAttribute("inDOMFullscreen");
 | 
						|
  },
 | 
						|
 | 
						|
  _isRemoteBrowser(aBrowser) {
 | 
						|
    return gMultiProcessBrowser && aBrowser.getAttribute("remote") == "true";
 | 
						|
  },
 | 
						|
 | 
						|
  get _windowUtils() {
 | 
						|
    return window.QueryInterface(Ci.nsIInterfaceRequestor)
 | 
						|
                 .getInterface(Ci.nsIDOMWindowUtils);
 | 
						|
  },
 | 
						|
 | 
						|
  getMouseTargetRect() {
 | 
						|
    return this._mouseTargetRect;
 | 
						|
  },
 | 
						|
 | 
						|
  // Event callbacks
 | 
						|
  _expandCallback() {
 | 
						|
    FullScreen.showNavToolbox();
 | 
						|
  },
 | 
						|
  onMouseEnter() {
 | 
						|
    FullScreen.hideNavToolbox();
 | 
						|
  },
 | 
						|
  _keyToggleCallback(aEvent) {
 | 
						|
    // if we can use the keyboard (eg Ctrl+L or Ctrl+E) to open the toolbars, we
 | 
						|
    // should provide a way to collapse them too.
 | 
						|
    if (aEvent.keyCode == aEvent.DOM_VK_ESCAPE) {
 | 
						|
      FullScreen.hideNavToolbox();
 | 
						|
    } else if (aEvent.keyCode == aEvent.DOM_VK_F6) {
 | 
						|
      // F6 is another shortcut to the address bar, but its not covered in OpenLocation()
 | 
						|
      FullScreen.showNavToolbox();
 | 
						|
    }
 | 
						|
  },
 | 
						|
 | 
						|
  // Checks whether we are allowed to collapse the chrome
 | 
						|
  _isPopupOpen: false,
 | 
						|
  _isChromeCollapsed: false,
 | 
						|
  _safeToCollapse() {
 | 
						|
    if (!gPrefService.getBoolPref("browser.fullscreen.autohide"))
 | 
						|
      return false;
 | 
						|
 | 
						|
    // a popup menu is open in chrome: don't collapse chrome
 | 
						|
    if (this._isPopupOpen)
 | 
						|
      return false;
 | 
						|
 | 
						|
    // On OS X Lion we don't want to hide toolbars.
 | 
						|
    if (this.useLionFullScreen)
 | 
						|
      return false;
 | 
						|
 | 
						|
    // a textbox in chrome is focused (location bar anyone?): don't collapse chrome
 | 
						|
    if (document.commandDispatcher.focusedElement &&
 | 
						|
        document.commandDispatcher.focusedElement.ownerDocument == document &&
 | 
						|
        document.commandDispatcher.focusedElement.localName == "input") {
 | 
						|
      return false;
 | 
						|
    }
 | 
						|
 | 
						|
    return true;
 | 
						|
  },
 | 
						|
 | 
						|
  _setPopupOpen(aEvent) {
 | 
						|
    // Popups should only veto chrome collapsing if they were opened when the chrome was not collapsed.
 | 
						|
    // Otherwise, they would not affect chrome and the user would expect the chrome to go away.
 | 
						|
    // e.g. we wouldn't want the autoscroll icon firing this event, so when the user
 | 
						|
    // toggles chrome when moving mouse to the top, it doesn't go away again.
 | 
						|
    if (aEvent.type == "popupshown" && !FullScreen._isChromeCollapsed &&
 | 
						|
        aEvent.target.localName != "tooltip" && aEvent.target.localName != "window" &&
 | 
						|
        aEvent.target.getAttribute("nopreventnavboxhide") != "true")
 | 
						|
      FullScreen._isPopupOpen = true;
 | 
						|
    else if (aEvent.type == "popuphidden" && aEvent.target.localName != "tooltip" &&
 | 
						|
             aEvent.target.localName != "window") {
 | 
						|
      FullScreen._isPopupOpen = false;
 | 
						|
      // Try again to hide toolbar when we close the popup.
 | 
						|
      FullScreen.hideNavToolbox(true);
 | 
						|
    }
 | 
						|
  },
 | 
						|
 | 
						|
  get navToolboxHidden() {
 | 
						|
    return this._isChromeCollapsed;
 | 
						|
  },
 | 
						|
 | 
						|
  // Autohide helpers for the context menu item
 | 
						|
  getAutohide(aItem) {
 | 
						|
    aItem.setAttribute("checked", gPrefService.getBoolPref("browser.fullscreen.autohide"));
 | 
						|
  },
 | 
						|
  setAutohide() {
 | 
						|
    gPrefService.setBoolPref("browser.fullscreen.autohide", !gPrefService.getBoolPref("browser.fullscreen.autohide"));
 | 
						|
    // Try again to hide toolbar when we change the pref.
 | 
						|
    FullScreen.hideNavToolbox(true);
 | 
						|
  },
 | 
						|
 | 
						|
  showNavToolbox(trackMouse = true) {
 | 
						|
    this._fullScrToggler.hidden = true;
 | 
						|
    gNavToolbox.removeAttribute("fullscreenShouldAnimate");
 | 
						|
    gNavToolbox.style.marginTop = "";
 | 
						|
 | 
						|
    if (!this._isChromeCollapsed) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    // Track whether mouse is near the toolbox
 | 
						|
    if (trackMouse && !this.useLionFullScreen) {
 | 
						|
      let rect = gBrowser.mPanelContainer.getBoundingClientRect();
 | 
						|
      this._mouseTargetRect = {
 | 
						|
        top: rect.top + 50,
 | 
						|
        bottom: rect.bottom,
 | 
						|
        left: rect.left,
 | 
						|
        right: rect.right
 | 
						|
      };
 | 
						|
      MousePosTracker.addListener(this);
 | 
						|
    }
 | 
						|
 | 
						|
    this._isChromeCollapsed = false;
 | 
						|
    Services.obs.notifyObservers(null, "fullscreen-nav-toolbox", "shown");
 | 
						|
  },
 | 
						|
 | 
						|
  hideNavToolbox(aAnimate = false) {
 | 
						|
    if (this._isChromeCollapsed || !this._safeToCollapse())
 | 
						|
      return;
 | 
						|
 | 
						|
    this._fullScrToggler.hidden = false;
 | 
						|
 | 
						|
    if (aAnimate && gPrefService.getBoolPref("toolkit.cosmeticAnimations.enabled")) {
 | 
						|
      gNavToolbox.setAttribute("fullscreenShouldAnimate", true);
 | 
						|
      // Hide the fullscreen toggler until the transition ends.
 | 
						|
      let listener = () => {
 | 
						|
        gNavToolbox.removeEventListener("transitionend", listener, true);
 | 
						|
        if (this._isChromeCollapsed)
 | 
						|
          this._fullScrToggler.hidden = false;
 | 
						|
      };
 | 
						|
      gNavToolbox.addEventListener("transitionend", listener, true);
 | 
						|
      this._fullScrToggler.hidden = true;
 | 
						|
    }
 | 
						|
 | 
						|
    gNavToolbox.style.marginTop =
 | 
						|
      -gNavToolbox.getBoundingClientRect().height + "px";
 | 
						|
    this._isChromeCollapsed = true;
 | 
						|
    Services.obs.notifyObservers(null, "fullscreen-nav-toolbox", "hidden");
 | 
						|
 | 
						|
    MousePosTracker.removeListener(this);
 | 
						|
  },
 | 
						|
 | 
						|
  _updateToolbars(aEnterFS) {
 | 
						|
    for (let el of document.querySelectorAll("toolbar[fullscreentoolbar=true]")) {
 | 
						|
      if (aEnterFS) {
 | 
						|
        // Give the main nav bar and the tab bar the fullscreen context menu,
 | 
						|
        // otherwise remove context menu to prevent breakage
 | 
						|
        el.setAttribute("saved-context", el.getAttribute("context"));
 | 
						|
        if (el.id == "nav-bar" || el.id == "TabsToolbar")
 | 
						|
          el.setAttribute("context", "autohide-context");
 | 
						|
        else
 | 
						|
          el.removeAttribute("context");
 | 
						|
 | 
						|
        // Set the inFullscreen attribute to allow specific styling
 | 
						|
        // in fullscreen mode
 | 
						|
        el.setAttribute("inFullscreen", true);
 | 
						|
      } else {
 | 
						|
        if (el.hasAttribute("saved-context")) {
 | 
						|
          el.setAttribute("context", el.getAttribute("saved-context"));
 | 
						|
          el.removeAttribute("saved-context");
 | 
						|
        }
 | 
						|
        el.removeAttribute("inFullscreen");
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    ToolbarIconColor.inferFromText("fullscreen", aEnterFS);
 | 
						|
 | 
						|
 | 
						|
    // For Lion fullscreen, all fullscreen controls are hidden, don't
 | 
						|
    // bother to touch them. If we don't stop here, the following code
 | 
						|
    // could cause the native fullscreen button be shown unexpectedly.
 | 
						|
    // See bug 1165570.
 | 
						|
    if (this.useLionFullScreen) {
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    var fullscreenctls = document.getElementById("window-controls");
 | 
						|
    var navbar = document.getElementById("nav-bar");
 | 
						|
    var ctlsOnTabbar = window.toolbar.visible;
 | 
						|
    if (fullscreenctls.parentNode == navbar && ctlsOnTabbar) {
 | 
						|
      fullscreenctls.removeAttribute("flex");
 | 
						|
      document.getElementById("TabsToolbar").appendChild(fullscreenctls);
 | 
						|
    } else if (fullscreenctls.parentNode.id == "TabsToolbar" && !ctlsOnTabbar) {
 | 
						|
      fullscreenctls.setAttribute("flex", "1");
 | 
						|
      navbar.appendChild(fullscreenctls);
 | 
						|
    }
 | 
						|
    fullscreenctls.hidden = !aEnterFS;
 | 
						|
  }
 | 
						|
};
 | 
						|
XPCOMUtils.defineLazyGetter(FullScreen, "useLionFullScreen", function() {
 | 
						|
  // We'll only use OS X Lion full screen if we're
 | 
						|
  // * on OS X
 | 
						|
  // * on Lion or higher (Darwin 11+)
 | 
						|
  // * have fullscreenbutton="true"
 | 
						|
  return AppConstants.isPlatformAndVersionAtLeast("macosx", 11) &&
 | 
						|
         document.documentElement.getAttribute("fullscreenbutton") == "true";
 | 
						|
});
 |