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-rw-r--r--ext/fg/js/popup-proxy.js104
1 files changed, 61 insertions, 43 deletions
diff --git a/ext/fg/js/popup-proxy.js b/ext/fg/js/popup-proxy.js
index 997b1317..966198a9 100644
--- a/ext/fg/js/popup-proxy.js
+++ b/ext/fg/js/popup-proxy.js
@@ -21,14 +21,18 @@
*/
class PopupProxy {
- constructor(id, depth, parentId, parentFrameId, url) {
+ constructor(id, depth, parentId, parentFrameId, url, getFrameOffset=null) {
this._parentId = parentId;
this._parentFrameId = parentFrameId;
this._id = id;
- this._idPromise = null;
this._depth = depth;
this._url = url;
this._apiSender = new FrontendApiSender();
+ this._getFrameOffset = getFrameOffset;
+
+ this._frameOffset = null;
+ this._frameOffsetPromise = null;
+ this._frameOffsetUpdatedAt = null;
}
// Public properties
@@ -51,92 +55,106 @@ class PopupProxy {
// Public functions
+ async prepare() {
+ const {id} = await this._invokeHostApi('getOrCreatePopup', {id: this._id, parentId: this._parentId});
+ this._id = id;
+ }
+
isProxy() {
return true;
}
async setOptions(options) {
- const id = await this._getPopupId();
- return await this._invokeHostApi('setOptions', {id, options});
+ return await this._invokeHostApi('setOptions', {id: this._id, options});
}
hide(changeFocus) {
- if (this._id === null) {
- return;
- }
this._invokeHostApi('hide', {id: this._id, changeFocus});
}
async isVisible() {
- const id = await this._getPopupId();
- return await this._invokeHostApi('isVisible', {id});
+ return await this._invokeHostApi('isVisible', {id: this._id});
}
setVisibleOverride(visible) {
- if (this._id === null) {
- return;
- }
this._invokeHostApi('setVisibleOverride', {id: this._id, visible});
}
async containsPoint(x, y) {
- if (this._id === null) {
- return false;
+ if (this._getFrameOffset !== null) {
+ await this._updateFrameOffset();
+ [x, y] = this._applyFrameOffset(x, y);
}
return await this._invokeHostApi('containsPoint', {id: this._id, x, y});
}
async showContent(elementRect, writingMode, type=null, details=null) {
- const id = await this._getPopupId();
- elementRect = PopupProxy._convertDOMRectToJson(elementRect);
- return await this._invokeHostApi('showContent', {id, elementRect, writingMode, type, details});
+ let {x, y, width, height} = elementRect;
+ if (this._getFrameOffset !== null) {
+ await this._updateFrameOffset();
+ [x, y] = this._applyFrameOffset(x, y);
+ }
+ elementRect = {x, y, width, height};
+ return await this._invokeHostApi('showContent', {id: this._id, elementRect, writingMode, type, details});
}
async setCustomCss(css) {
- const id = await this._getPopupId();
- return await this._invokeHostApi('setCustomCss', {id, css});
+ return await this._invokeHostApi('setCustomCss', {id: this._id, css});
}
clearAutoPlayTimer() {
- if (this._id === null) {
- return;
- }
this._invokeHostApi('clearAutoPlayTimer', {id: this._id});
}
async setContentScale(scale) {
- const id = await this._getPopupId();
- this._invokeHostApi('setContentScale', {id, scale});
+ this._invokeHostApi('setContentScale', {id: this._id, scale});
}
// Private
- _getPopupId() {
- if (this._idPromise === null) {
- this._idPromise = this._getPopupIdAsync();
+ _invokeHostApi(action, params={}) {
+ if (typeof this._parentFrameId !== 'number') {
+ return Promise.reject(new Error('Invalid frame'));
}
- return this._idPromise;
+ return this._apiSender.invoke(action, params, `popup-proxy-host#${this._parentFrameId}`);
}
- async _getPopupIdAsync() {
- const {id} = await this._invokeHostApi('getOrCreatePopup', {id: this._id, parentId: this._parentId});
- this._id = id;
- return id;
+ async _updateFrameOffset() {
+ const now = Date.now();
+ const firstRun = this._frameOffsetUpdatedAt === null;
+ const expired = firstRun || this._frameOffsetUpdatedAt < now - PopupProxy._frameOffsetExpireTimeout;
+ if (this._frameOffsetPromise === null && !expired) { return; }
+
+ if (this._frameOffsetPromise !== null) {
+ if (firstRun) {
+ await this._frameOffsetPromise;
+ }
+ return;
+ }
+
+ const promise = this._updateFrameOffsetInner(now);
+ if (firstRun) {
+ await promise;
+ }
}
- _invokeHostApi(action, params={}) {
- if (typeof this._parentFrameId !== 'number') {
- return Promise.reject(new Error('Invalid frame'));
+ async _updateFrameOffsetInner(now) {
+ this._frameOffsetPromise = this._getFrameOffset();
+ try {
+ const offset = await this._frameOffsetPromise;
+ this._frameOffset = offset !== null ? offset : [0, 0];
+ this._frameOffsetUpdatedAt = now;
+ } catch (e) {
+ logError(e);
+ } finally {
+ this._frameOffsetPromise = null;
}
- return this._apiSender.invoke(action, params, `popup-proxy-host#${this._parentFrameId}`);
}
- static _convertDOMRectToJson(domRect) {
- return {
- x: domRect.x,
- y: domRect.y,
- width: domRect.width,
- height: domRect.height
- };
+ _applyFrameOffset(x, y) {
+ const [offsetX, offsetY] = this._frameOffset;
+ return [x + offsetX, y + offsetY];
}
}
+
+PopupProxy._frameOffsetExpireTimeout = 1000;