mirror of
https://github.com/gorhill/uBlock.git
synced 2024-11-06 02:42:33 +01:00
Safari: rework of toolbar icon update mechanism -- leaner, faster
This commit is contained in:
Chris
parent
b6902d2c70
commit
0217f1cc8b
@ -457,18 +457,160 @@
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
// reload the popup when it's opened
|
||||
safari.application.addEventListener("popover", function(event) {
|
||||
var w = event.target.contentWindow, body = w.document.body, child;
|
||||
while(child = body.firstChild) {
|
||||
body.removeChild(child);
|
||||
}
|
||||
w.location.reload();
|
||||
}, true);
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
var ICON_URLS = {
|
||||
"on": vAPI.getURL("img/browsericons/safari-icon16.png"),
|
||||
"off": vAPI.getURL("img/browsericons/safari-icon16-off.png")
|
||||
};
|
||||
|
||||
var IconState = function(badge, img, icon) {
|
||||
this.badge = badge;
|
||||
// ^ a number -- the badge 'value'
|
||||
this.img = img;
|
||||
// ^ a string -- 'on' or 'off'
|
||||
this.active = false;
|
||||
// ^ is this IconState active for rendering?
|
||||
this.icon = typeof icon !== "undefined" ? icon : null;
|
||||
// ^ the corresponding browser toolbar-icon object
|
||||
this.dirty = (1 << 1) | (1 << 0);
|
||||
/* ^ bitmask AB: two bits, A and B
|
||||
where A is whether img has changed and needs render
|
||||
and B is whether badge has changed and needs render */
|
||||
};
|
||||
|
||||
var iconStateForTabId = {}; // {tabId: IconState}
|
||||
|
||||
var getIconForWindow = function(whichWindow) {
|
||||
// do we already have the right icon cached?
|
||||
if(typeof whichWindow.uBlockIcon !== "undefined") {
|
||||
return whichWindow.uBlockIcon;
|
||||
}
|
||||
|
||||
// iterate through the icons to find the one which
|
||||
// belongs to this window (whichWindow)
|
||||
var items = safari.extension.toolbarItems;
|
||||
for(var i = 0; i < items.length; i++) {
|
||||
if(items[i].browserWindow === whichWindow) {
|
||||
return (whichWindow.uBlockIcon = items[i]);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
safari.application.addEventListener("activate", function(event) {
|
||||
if(!(event.target instanceof SafariBrowserTab)) {
|
||||
return;
|
||||
}
|
||||
|
||||
// when a tab is activated...
|
||||
var tab = event.target;
|
||||
if(tab.browserWindow !== tab.oldBrowserWindow) {
|
||||
// looks like tab is now associated with a new window
|
||||
tab.oldBrowserWindow = tab.browserWindow;
|
||||
// so, unvalidate icon
|
||||
tab.uBlockKnowsIcon = false;
|
||||
}
|
||||
|
||||
var tabId = vAPI.tabs.getTabId(tab),
|
||||
state = iconStateForTabId[tabId];
|
||||
if(typeof state === "undefined") {
|
||||
state = iconStateForTabId[tabId] = new IconState(0, "on");
|
||||
// need to get the icon for this newly-encountered tab...
|
||||
// uBlockKnowsIcon should be undefined here, so in theory
|
||||
// we don't need this -- but to be sure,
|
||||
// go ahead and explicitly unvalidate
|
||||
tab.uBlockKnowsIcon = false;
|
||||
}
|
||||
|
||||
if(!tab.uBlockKnowsIcon) {
|
||||
// need to find the icon for this tab's window
|
||||
state.icon = getIconForWindow(tab.browserWindow);
|
||||
tab.uBlockKnowsIcon = true;
|
||||
}
|
||||
state.active = true;
|
||||
// force re-render since we probably switched tabs
|
||||
state.dirty = (1 << 1) | (1 << 0);
|
||||
|
||||
renderIcon(state);
|
||||
}, true);
|
||||
|
||||
safari.application.addEventListener("deactivate", function(event) {
|
||||
if(!(event.target instanceof SafariBrowserTab)) {
|
||||
return;
|
||||
}
|
||||
// when a tab is deactivated...
|
||||
var tabId = vAPI.tabs.getTabId(event.target),
|
||||
state = iconStateForTabId[tabId];
|
||||
if(typeof state === "undefined") {
|
||||
return;
|
||||
}
|
||||
// mark its iconState as inactive so we don't visually
|
||||
// render changes for now
|
||||
state.active = false;
|
||||
}, true);
|
||||
|
||||
var renderIcon = function(iconState) {
|
||||
if(iconState.dirty === 0) {
|
||||
// quit if we don't need to touch the "DOM"
|
||||
return;
|
||||
}
|
||||
var icon = iconState.icon;
|
||||
icon.badge = iconState.badge;
|
||||
// only update the image if needed:
|
||||
if(iconState.dirty & 1) {
|
||||
icon.image = ICON_URLS[iconState.img];
|
||||
}
|
||||
iconState.dirty = 0;
|
||||
};
|
||||
|
||||
vAPI.setIcon = function(tabId, iconStatus, badge) {
|
||||
badge = badge || 0;
|
||||
|
||||
var state = iconStateForTabId[tabId];
|
||||
if(typeof state === "undefined") {
|
||||
state = iconStateForTabId[tabId] = new IconState(badge, iconStatus);
|
||||
}
|
||||
else {
|
||||
state.dirty = ((state.badge !== badge) << 1) | ((state.img !== iconStatus) << 0);
|
||||
state.badge = badge;
|
||||
state.img = iconStatus;
|
||||
}
|
||||
if(state.active === true) {
|
||||
renderIcon(state);
|
||||
}
|
||||
};
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
// bind tabs to unique IDs
|
||||
|
||||
(function() {
|
||||
var wins = safari.application.browserWindows,
|
||||
i = wins.length,
|
||||
j;
|
||||
|
||||
while(i --) {
|
||||
j = wins[i].tabs.length;
|
||||
|
||||
j,
|
||||
curTab,
|
||||
curTabId,
|
||||
curWindow;
|
||||
while(i--) {
|
||||
curWindow = wins[i];
|
||||
j = curWindow.tabs.length;
|
||||
while(j--) {
|
||||
vAPI.tabs.stack[vAPI.tabs.stackId++] = wins[i].tabs[j];
|
||||
curTab = wins[i].tabs[j], curTabId = vAPI.tabs.stackId++;
|
||||
iconStateForTabId[curTabId] = new IconState(0, "on", getIconForWindow(curWindow));
|
||||
curTab.uBlockKnowsIcon = true;
|
||||
if(curWindow.activeTab === curTab) {
|
||||
iconStateForTabId[curTabId].active = true;
|
||||
}
|
||||
vAPI.tabs.stack[curTabId] = curTab;
|
||||
}
|
||||
}
|
||||
})();
|
||||
@ -499,74 +641,12 @@
|
||||
vAPI.tabs.onClosed(tabId);
|
||||
}
|
||||
|
||||
delete vAPI.tabIconState[tabId];
|
||||
delete vAPI.tabs.stack[tabId];
|
||||
delete iconStateForTabId[tabId];
|
||||
}
|
||||
}, true);
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
vAPI.toolbarItem = false;
|
||||
var getIconForWindow = function(target) {
|
||||
var items = safari.extension.toolbarItems;
|
||||
for(var i = 0, n = items.length; i < n; i++) {
|
||||
if(items[i].browserWindow === target) {
|
||||
return items[i];
|
||||
}
|
||||
}
|
||||
};
|
||||
safari.application.addEventListener("activate", function(event) {
|
||||
var target = event.target;
|
||||
if(target instanceof SafariBrowserTab) {
|
||||
vAPI.updateIcon(vAPI.tabs.getTabId(target));
|
||||
}
|
||||
else if(target instanceof SafariBrowserWindow) {
|
||||
vAPI.toolbarItem = getIconForWindow(target);
|
||||
}
|
||||
}, true);
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
// reload the popup when it's opened
|
||||
safari.application.addEventListener("popover", function(event) {
|
||||
var w = event.target.contentWindow, body = w.document.body, child;
|
||||
while(child = body.firstChild) {
|
||||
body.removeChild(child);
|
||||
}
|
||||
w.location.reload();
|
||||
}, true);
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
function TabIconState() {}
|
||||
TabIconState.prototype.badge = 0;
|
||||
TabIconState.prototype.img = "";
|
||||
|
||||
vAPI.tabIconState = { /*tabId: {badge: 0, img: suffix}*/ };
|
||||
vAPI.updateIcon = function(tabId) {
|
||||
var icon = vAPI.toolbarItem;
|
||||
if(icon === false) {
|
||||
icon = getIconForWindow(vAPI.tabs.stack[tabId].browserWindow);
|
||||
}
|
||||
var state = vAPI.tabIconState[tabId];
|
||||
if(typeof state === "undefined") {
|
||||
state = vAPI.tabIconState[tabId] = new TabIconState();
|
||||
}
|
||||
icon.badge = state.badge;
|
||||
icon.image = vAPI.getURL("img/browsericons/safari-icon16" + state.img + ".png");
|
||||
};
|
||||
vAPI.setIcon = function(tabId, iconStatus, badge) {
|
||||
var state = vAPI.tabIconState[tabId];
|
||||
if(typeof state === "undefined") {
|
||||
state = vAPI.tabIconState[tabId] = new TabIconState();
|
||||
}
|
||||
state.badge = badge || 0;
|
||||
state.img = (iconStatus === "on" ? "" : "-off");
|
||||
vAPI.updateIcon(tabId);
|
||||
};
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
vAPI.messaging = {
|
||||
listeners: {},
|
||||
defaultHandler: null,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user