2020-08-25 00:02:08 +03:00
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/*
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2020-10-19 20:34:47 +03:00
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Copyright (C) 2020 Sebastian J. Wolf and other contributors
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2020-08-25 00:02:08 +03:00
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This file is part of Fernschreiber.
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Fernschreiber is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Fernschreiber is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fernschreiber. If not, see <http://www.gnu.org/licenses/>.
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*/
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2020-10-31 22:49:03 +03:00
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import QtQuick 2.6
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2020-08-25 00:02:08 +03:00
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import Sailfish.Silica 1.0
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2021-01-15 12:21:23 +03:00
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import "../"
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2020-08-25 00:02:08 +03:00
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2021-01-15 12:21:23 +03:00
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MessageContentBase {
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2021-01-20 00:39:46 +03:00
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height: Math.max(Theme.itemSizeExtraSmall, Math.min(defaultHeight, width / (biggest.width/biggest.height)))
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readonly property int defaultHeight: Math.round(width * 0.66666666)
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readonly property var biggest: rawMessage.content.photo.sizes[rawMessage.content.photo.sizes.length - 1];
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Reduce ChatPage.qml jit compile time
First of all: Take all measurements I mention with a grain of salt – all of them are rough and not necessarily measured more than a few times. All times were measured on an Xperia X run via SDK.
Visiting a chat page can take a long time, especially before the qml is cached by the engine.
When opening it for the first time after application launch, it sometimes takes >1000ms from onClicked (OverviewPage) to Component.OnCompleted (Chatpage).
Subsequent activations take roughly 470-480ms.
With these changes, I was able to reduce these times to ~450ms for the first, ~100ms for subsequent activations of the ChatPage on my test device.
Things changed:
- The components for displaying extra content to a message are (mostly) gone and replaced by a single Loader. This Loader does not use sourceComponent to trade the initial compilation boost for a neglegible bit of runtime penalty.
- Connections were consolidated
- I was surprised how costly the inclusion of the RemorseItem was (compiling ~75ms, initializing up to ~20ms for every delegate). So I traded a bit for a compromise. deleteMessageRemorseItem is now defined on the appWindow level, where it gets a bit mitigated by the animations at application start. Also, only one deletion at a time is now possible. We can easily revert this change, but I thought it worthwhile despite its drawbacks.
- profileThumbnailComponent is now defined directly as sourceComponent, removing the need for its id. Probably didn't do anything.
- InReplyToRow had width: parent.width, so I removed horizontalCenter. Also probably didn't change compilation time at all.
- Another compromise I was willing to take – your opinion may differ: The PickerPages took ages (~200ms) to just parse/compile inside those Components, so I replaced them with the "string notation" of pageStack.push. Drawback: The first time a picker gets activated, you'll see how slow it is. Subsequent activations aren't that bad – also for the other pickers.
2020-10-30 22:36:32 +03:00
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2021-01-15 12:21:23 +03:00
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onClicked: {
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2021-01-15 13:30:55 +03:00
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pageStack.push(Qt.resolvedUrl("../../pages/ImagePage.qml"), {
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2021-01-20 00:39:46 +03:00
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"photoData" : photo.photo,
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// "pictureFileInformation" : photo.fileInformation
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2020-12-04 06:12:00 +03:00
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})
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}
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2021-01-20 00:39:46 +03:00
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TDLibPhoto {
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id: photo
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anchors.fill: parent
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photo: rawMessage.content.photo
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highlighted: parent.highlighted
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2020-08-25 00:02:08 +03:00
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}
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2020-10-26 17:15:53 +03:00
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BackgroundImage {
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2021-01-20 00:39:46 +03:00
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visible: !rawMessage.content.photo.minithumbnail && photo.image.status !== Image.Ready
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2020-08-25 00:02:08 +03:00
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}
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}
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