* Fix two bugs around play/pause button appearance.
* Fix bugs around stopping playback when leaving view/entering background.
* Fix bugs around cleaning up playback state when leaving view/entering background.
* Fix audio playback vs. hardware mute button.
* Improve handling of invalid audio attachments.
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Media bubbles (for photo, video and animated) sizes are calculated using shared logic. The bubbles are fixed width and their height is calculated based on the aspect ratio of the underlying image (clamped to a reasonable min/max height).
Fixes#1270
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fixes#1231
Motivation
----------
Previously when messages failed to send, there was no reason given.
Furthermore, when media messages failed to send there was no indication
that any attempt to send the message even occurred, nor a retry
dialog.
UX Changes
----------
- Show "uploading" status for media
- Show specific error message in retry-send dialog
- Only scroll to bottom when new message is inserted
- Show specific errors when group creation fails
Code Changes
-----------
- Updated incorrect references to TSMessageAdapters which were actually
references to OWSMessageData
- MessageSender was extracted from SSK MessagesManager
- access MessagesManager as property
- idiomatic init/properties for Env
- log contact intersections
- Move scroll-to-bottom animation to main thread.
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The object is already cached & the waveform view constructed when scrolling,
so there's no need to re-create the view.
This doesn't fix the problem with the wave-form generation on the first
view of the message. That is a more critical problem in the underlying
SCWaveformView class which renders on the main thread instead of doing
it asynchronously.
FIXES#1258
copy/save/delete is accessed via longpress for all media messages, just
like for simple text messages.
Notes
-----
We don't support saving audio attachments as it's not clear where they should go.
(I don't think users expect them to end up in their iTunes library.)
There is still no UX for "pasting" media into Signal.
Removed the now redundant (and confusing) "share" button interface.
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This was done as part of unforking JSQMessagesViewController, but is
intentionally a separate commit so we can separate formatting changes
from code changes in git history.
* Import frameworks like:
#import <FrameworkName/HeaderName.h>
* instead of:
#import "HeaderName.h"
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