magnifier: Stop exposing D-Bus interface
Screen magnification is the compositor's business, not that of "random" unprivileged tools. And for cases where a more specialised behavior is wanted, an extension likely does a better job than a consumer of the D-Bus API. In addition to that, exporting the interface has been broken for an unknown time, because the object that holds the implementation isn't referenced and thus ends up being garbage collected, whoops. And last but not least, this gets rid of the last public D-Bus name that isn't clearly in the system namespace (org.gnome.Shell, org.gnome.Mutter, org.gtk). https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3452 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1523>
This commit is contained in:
Florian Müllner
parent
f54ab9c9ee
commit
cb8b19939d
@ -1,26 +0,0 @@
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<node>
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<interface name="org.gnome.Magnifier.ZoomRegion">
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<method name="setMagFactor">
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<arg type="d" direction="in"/>
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<arg type="d" direction="in"/>
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</method>
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<method name="getMagFactor">
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<arg type="d" direction="out"/>
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<arg type="d" direction="out"/>
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</method>
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<method name="setRoi">
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<arg type="ai" direction="in"/>
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</method>
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<method name="getRoi">
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<arg type="ai" direction="out"/>
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</method>
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<method name="shiftContentsTo">
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<arg type="i" direction="in"/>
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<arg type="i" direction="in"/>
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<arg type="b" direction="out"/>
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</method>
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<method name="moveResize">
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<arg type="ai" direction="in"/>
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</method>
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</interface>
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</node>
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@ -1,54 +0,0 @@
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<node>
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<interface name="org.gnome.Magnifier">
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<method name="setActive">
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<arg type="b" direction="in"/>
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</method>
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<method name="isActive">
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<arg type="b" direction="out"/>
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</method>
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<method name="showCursor"/>
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<method name="hideCursor"/>
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<method name="createZoomRegion">
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<arg type="d" direction="in"/>
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<arg type="d" direction="in"/>
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<arg type="ai" direction="in"/>
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<arg type="ai" direction="in"/>
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<arg type="o" direction="out"/>
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</method>
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<method name="addZoomRegion">
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<arg type="o" direction="in"/>
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<arg type="b" direction="out"/>
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</method>
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<method name="getZoomRegions">
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<arg type="ao" direction="out"/>
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</method>
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<method name="clearAllZoomRegions"/>
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<method name="fullScreenCapable">
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<arg type="b" direction="out"/>
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</method>
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<method name="setCrosswireSize">
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<arg type="i" direction="in"/>
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</method>
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<method name="getCrosswireSize">
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<arg type="i" direction="out"/>
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</method>
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<method name="setCrosswireLength">
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<arg type="i" direction="in"/>
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</method>
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<method name="getCrosswireLength">
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<arg type="i" direction="out"/>
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</method>
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<method name="setCrosswireClip">
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<arg type="b" direction="in"/>
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</method>
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<method name="getCrosswireClip">
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<arg type="b" direction="out"/>
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</method>
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<method name="setCrosswireColor">
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<arg type="u" direction="in"/>
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</method>
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<method name="getCrosswireColor">
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<arg type="u" direction="out"/>
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</method>
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</interface>
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</node>
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@ -26,8 +26,6 @@
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<file preprocess="xml-stripblanks">org.freedesktop.realmd.Service.xml</file>
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<file preprocess="xml-stripblanks">org.freedesktop.realmd.Service.xml</file>
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<file preprocess="xml-stripblanks">org.freedesktop.UPower.Device.xml</file>
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<file preprocess="xml-stripblanks">org.freedesktop.UPower.Device.xml</file>
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<file preprocess="xml-stripblanks">org.freedesktop.UPower.xml</file>
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<file preprocess="xml-stripblanks">org.freedesktop.UPower.xml</file>
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<file preprocess="xml-stripblanks">org.gnome.Magnifier.xml</file>
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<file preprocess="xml-stripblanks">org.gnome.Magnifier.ZoomRegion.xml</file>
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<file preprocess="xml-stripblanks">org.gnome.Mutter.ScreenCast.xml</file>
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<file preprocess="xml-stripblanks">org.gnome.Mutter.ScreenCast.xml</file>
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<file preprocess="xml-stripblanks">org.gnome.ScreenSaver.xml</file>
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<file preprocess="xml-stripblanks">org.gnome.ScreenSaver.xml</file>
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<file preprocess="xml-stripblanks">org.gnome.SessionManager.EndSessionDialog.xml</file>
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<file preprocess="xml-stripblanks">org.gnome.SessionManager.EndSessionDialog.xml</file>
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@ -71,7 +71,6 @@
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<file>ui/locatePointer.js</file>
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<file>ui/locatePointer.js</file>
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<file>ui/lookingGlass.js</file>
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<file>ui/lookingGlass.js</file>
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<file>ui/magnifier.js</file>
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<file>ui/magnifier.js</file>
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<file>ui/magnifierDBus.js</file>
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<file>ui/main.js</file>
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<file>ui/main.js</file>
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<file>ui/messageTray.js</file>
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<file>ui/messageTray.js</file>
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<file>ui/messageList.js</file>
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<file>ui/messageList.js</file>
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@ -7,7 +7,6 @@ const Signals = imports.signals;
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const Background = imports.ui.background;
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const Background = imports.ui.background;
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const FocusCaretTracker = imports.ui.focusCaretTracker;
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const FocusCaretTracker = imports.ui.focusCaretTracker;
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const Main = imports.ui.main;
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const Main = imports.ui.main;
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const MagnifierDBus = imports.ui.magnifierDBus;
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const Params = imports.misc.params;
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const Params = imports.misc.params;
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const PointerWatcher = imports.ui.pointerWatcher;
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const PointerWatcher = imports.ui.pointerWatcher;
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@ -117,8 +116,6 @@ var Magnifier = class Magnifier {
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this.setActive(St.Settings.get().magnifier_active);
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this.setActive(St.Settings.get().magnifier_active);
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});
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});
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// Export to dbus.
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new MagnifierDBus.ShellMagnifier();
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this.setActive(St.Settings.get().magnifier_active);
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this.setActive(St.Settings.get().magnifier_active);
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}
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}
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@ -1,351 +0,0 @@
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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/* exported ShellMagnifier */
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const Gio = imports.gi.Gio;
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const Main = imports.ui.main;
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const { loadInterfaceXML } = imports.misc.fileUtils;
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const MAG_SERVICE_PATH = '/org/gnome/Magnifier';
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const ZOOM_SERVICE_PATH = '/org/gnome/Magnifier/ZoomRegion';
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// Subset of gnome-mag's Magnifier dbus interface -- to be expanded. See:
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// http://git.gnome.org/browse/gnome-mag/tree/xml/...Magnifier.xml
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const MagnifierIface = loadInterfaceXML('org.gnome.Magnifier');
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// Subset of gnome-mag's ZoomRegion dbus interface -- to be expanded. See:
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// http://git.gnome.org/browse/gnome-mag/tree/xml/...ZoomRegion.xml
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const ZoomRegionIface = loadInterfaceXML('org.gnome.Magnifier.ZoomRegion');
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// For making unique ZoomRegion DBus proxy object paths of the form:
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// '/org/gnome/Magnifier/ZoomRegion/zoomer0',
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// '/org/gnome/Magnifier/ZoomRegion/zoomer1', etc.
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let _zoomRegionInstanceCount = 0;
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var ShellMagnifier = class ShellMagnifier {
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constructor() {
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this._zoomers = {};
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this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(MagnifierIface, this);
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this._dbusImpl.export(Gio.DBus.session, MAG_SERVICE_PATH);
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}
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/**
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* setActive:
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* @param {bool} activate: activate or de-activate the magnifier.
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*/
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setActive(activate) {
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Main.magnifier.setActive(activate);
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}
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/**
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* isActive:
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* @returns {bool} Whether the magnifier is active.
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*/
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isActive() {
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return Main.magnifier.isActive();
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}
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/**
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* showCursor:
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* Show the system mouse pointer.
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*/
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showCursor() {
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Main.magnifier.showSystemCursor();
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}
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/**
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* hideCursor:
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* Hide the system mouse pointer.
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*/
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hideCursor() {
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Main.magnifier.hideSystemCursor();
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}
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/**
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* createZoomRegion:
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* Create a new ZoomRegion and return its object path.
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* @param {number} xMagFactor:
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* The power to set horizontal magnification of the ZoomRegion.
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* A value of 1.0 means no magnification. A value of 2.0 doubles
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* the size.
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* @param {number} yMagFactor:
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* The power to set the vertical magnification of the
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* ZoomRegion.
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* @param {number[]} roi
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* Array of integers defining the region of the screen/desktop
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* to magnify. The array has the form [left, top, right, bottom].
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* @param {number[]} viewPort
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* Array of integers, [left, top, right, bottom] that defines
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* the position of the ZoomRegion on screen.
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*
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* FIXME: The arguments here are redundant, since the width and height of
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* the ROI are determined by the viewport and magnification factors.
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* We ignore the passed in width and height.
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*
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* @returns {ZoomRegion} The newly created ZoomRegion.
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*/
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createZoomRegion(xMagFactor, yMagFactor, roi, viewPort) {
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let ROI = { x: roi[0], y: roi[1], width: roi[2] - roi[0], height: roi[3] - roi[1] };
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let viewBox = { x: viewPort[0], y: viewPort[1], width: viewPort[2] - viewPort[0], height: viewPort[3] - viewPort[1] };
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let realZoomRegion = Main.magnifier.createZoomRegion(xMagFactor, yMagFactor, ROI, viewBox);
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let objectPath = `${ZOOM_SERVICE_PATH}/zoomer${_zoomRegionInstanceCount}`;
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_zoomRegionInstanceCount++;
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let zoomRegionProxy = new ShellMagnifierZoomRegion(objectPath, realZoomRegion);
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let proxyAndZoomRegion = {};
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proxyAndZoomRegion.proxy = zoomRegionProxy;
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proxyAndZoomRegion.zoomRegion = realZoomRegion;
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this._zoomers[objectPath] = proxyAndZoomRegion;
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return objectPath;
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}
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/**
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* addZoomRegion:
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* Append the given ZoomRegion to the magnifier's list of ZoomRegions.
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* @param {string} zoomerObjectPath: The object path for the zoom
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* region proxy.
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* @returns {bool} whether the region was added successfully
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*/
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addZoomRegion(zoomerObjectPath) {
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let proxyAndZoomRegion = this._zoomers[zoomerObjectPath];
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if (proxyAndZoomRegion && proxyAndZoomRegion.zoomRegion) {
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Main.magnifier.addZoomRegion(proxyAndZoomRegion.zoomRegion);
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return true;
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} else {
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return false;
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}
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}
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/**
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* getZoomRegions:
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* Return a list of ZoomRegion object paths for this Magnifier.
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* @returns {string[]}: The Magnifier's zoom region list as an array
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* of DBus object paths.
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*/
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getZoomRegions() {
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// There may be more ZoomRegions in the magnifier itself than have
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// been added through dbus. Make sure all of them are associated with
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// an object path and proxy.
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let zoomRegions = Main.magnifier.getZoomRegions();
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let objectPaths = [];
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let thoseZoomers = this._zoomers;
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zoomRegions.forEach(aZoomRegion => {
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let found = false;
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for (let objectPath in thoseZoomers) {
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let proxyAndZoomRegion = thoseZoomers[objectPath];
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if (proxyAndZoomRegion.zoomRegion === aZoomRegion) {
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objectPaths.push(objectPath);
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found = true;
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break;
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}
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}
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if (!found) {
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// Got a ZoomRegion with no DBus proxy, make one.
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let newPath = `${ZOOM_SERVICE_PATH}/zoomer${_zoomRegionInstanceCount}`;
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_zoomRegionInstanceCount++;
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let zoomRegionProxy = new ShellMagnifierZoomRegion(newPath, aZoomRegion);
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let proxyAndZoomer = {};
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proxyAndZoomer.proxy = zoomRegionProxy;
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proxyAndZoomer.zoomRegion = aZoomRegion;
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thoseZoomers[newPath] = proxyAndZoomer;
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objectPaths.push(newPath);
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}
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});
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return objectPaths;
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}
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/**
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* clearAllZoomRegions:
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* Remove all the zoom regions from this Magnfier's ZoomRegion list.
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*/
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clearAllZoomRegions() {
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Main.magnifier.clearAllZoomRegions();
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for (let objectPath in this._zoomers) {
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let proxyAndZoomer = this._zoomers[objectPath];
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proxyAndZoomer.proxy.destroy();
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proxyAndZoomer.proxy = null;
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proxyAndZoomer.zoomRegion = null;
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delete this._zoomers[objectPath];
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}
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this._zoomers = {};
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}
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/**
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* fullScreenCapable:
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* Consult if the Magnifier can magnify in full-screen mode.
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* @returns {bool} Always return true.
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*/
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fullScreenCapable() {
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return true;
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}
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/**
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* setCrosswireSize:
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* Set the crosswire size of all ZoomRegions.
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* @param {number} size: The thickness of each line in the cross wire.
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*/
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setCrosswireSize(size) {
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Main.magnifier.setCrosshairsThickness(size);
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}
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/**
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* getCrosswireSize:
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* Get the crosswire size of all ZoomRegions.
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* @returns {number}: The thickness of each line in the cross wire.
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*/
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getCrosswireSize() {
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return Main.magnifier.getCrosshairsThickness();
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}
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/**
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* setCrosswireLength:
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* Set the crosswire length of all zoom-regions..
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* @param {number} length: The length of each line in the cross wire.
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*/
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setCrosswireLength(length) {
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Main.magnifier.setCrosshairsLength(length);
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}
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/**
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* getCrosswireSize:
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* Get the crosswire length of all zoom-regions.
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* @returns {number} size: The length of each line in the cross wire.
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*/
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getCrosswireLength() {
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return Main.magnifier.getCrosshairsLength();
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}
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/**
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* setCrosswireClip:
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* Set if the crosswire will be clipped by the cursor image..
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* @param {bool} clip: Flag to indicate whether to clip the crosswire.
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*/
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setCrosswireClip(clip) {
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Main.magnifier.setCrosshairsClip(clip);
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}
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/**
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* getCrosswireClip:
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* Get the crosswire clip value.
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* @returns {bool}: Whether the crosswire is clipped by the cursor image.
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*/
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getCrosswireClip() {
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return Main.magnifier.getCrosshairsClip();
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}
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/**
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* setCrosswireColor:
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* Set the crosswire color of all ZoomRegions.
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|
||||||
* @param {number} color: Unsigned int of the form rrggbbaa.
|
|
||||||
*/
|
|
||||||
setCrosswireColor(color) {
|
|
||||||
Main.magnifier.setCrosshairsColor('#%08x'.format(color));
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* getCrosswireClip:
|
|
||||||
* Get the crosswire color of all ZoomRegions.
|
|
||||||
* @returns {number}: The crosswire color as an unsigned int in
|
|
||||||
* the form rrggbbaa.
|
|
||||||
*/
|
|
||||||
getCrosswireColor() {
|
|
||||||
let colorString = Main.magnifier.getCrosshairsColor();
|
|
||||||
// Drop the leading '#'.
|
|
||||||
return parseInt(colorString.slice(1), 16);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
/**
|
|
||||||
* ShellMagnifierZoomRegion:
|
|
||||||
* Object that implements the DBus ZoomRegion interface.
|
|
||||||
* @zoomerObjectPath: String that is the path to a DBus ZoomRegion.
|
|
||||||
* @zoomRegion: The actual zoom region associated with the object path.
|
|
||||||
*/
|
|
||||||
var ShellMagnifierZoomRegion = class ShellMagnifierZoomRegion {
|
|
||||||
constructor(zoomerObjectPath, zoomRegion) {
|
|
||||||
this._zoomRegion = zoomRegion;
|
|
||||||
|
|
||||||
this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(ZoomRegionIface, this);
|
|
||||||
this._dbusImpl.export(Gio.DBus.session, zoomerObjectPath);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* setMagFactor:
|
|
||||||
* @param {number} xMagFactor: The power to set the horizontal
|
|
||||||
* magnification factor to of the magnified view. A value of
|
|
||||||
* 1.0 means no magnification. A value of 2.0 doubles the size.
|
|
||||||
* @param {number} yMagFactor: The power to set the vertical
|
|
||||||
* magnification factor to of the magnified view.
|
|
||||||
*/
|
|
||||||
setMagFactor(xMagFactor, yMagFactor) {
|
|
||||||
this._zoomRegion.setMagFactor(xMagFactor, yMagFactor);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* getMagFactor:
|
|
||||||
* @returns {number[]}: [xMagFactor, yMagFactor], containing the horizontal
|
|
||||||
* and vertical magnification powers. A value of 1.0 means no
|
|
||||||
* magnification. A value of 2.0 means the contents are doubled
|
|
||||||
* in size, and so on.
|
|
||||||
*/
|
|
||||||
getMagFactor() {
|
|
||||||
return this._zoomRegion.getMagFactor();
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* setRoi:
|
|
||||||
* Sets the "region of interest" that the ZoomRegion is magnifying.
|
|
||||||
* @param {number[]} roi: [left, top, right, bottom], defining the
|
|
||||||
* region of the screen to magnify.
|
|
||||||
* The values are in screen (unmagnified) coordinate space.
|
|
||||||
*/
|
|
||||||
setRoi(roi) {
|
|
||||||
let roiObject = { x: roi[0], y: roi[1], width: roi[2] - roi[0], height: roi[3] - roi[1] };
|
|
||||||
this._zoomRegion.setROI(roiObject);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* getRoi:
|
|
||||||
* Retrieves the "region of interest" -- the rectangular bounds of that part
|
|
||||||
* of the desktop that the magnified view is showing (x, y, width, height).
|
|
||||||
* The bounds are given in non-magnified coordinates.
|
|
||||||
* @returns {Array}: [left, top, right, bottom], representing the bounding
|
|
||||||
* rectangle of what is shown in the magnified view.
|
|
||||||
*/
|
|
||||||
getRoi() {
|
|
||||||
let roi = this._zoomRegion.getROI();
|
|
||||||
roi[2] += roi[0];
|
|
||||||
roi[3] += roi[1];
|
|
||||||
return roi;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Set the "region of interest" by centering the given screen coordinate
|
|
||||||
* within the zoom region.
|
|
||||||
* @param {number} x: The x-coord of the point to place at the
|
|
||||||
* center of the zoom region.
|
|
||||||
* @param {number} y: The y-coord.
|
|
||||||
* @returns {bool} Whether the shift was successful (for GS-mag, this
|
|
||||||
* is always true).
|
|
||||||
*/
|
|
||||||
shiftContentsTo(x, y) {
|
|
||||||
this._zoomRegion.scrollContentsTo(x, y);
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* moveResize
|
|
||||||
* Sets the position and size of the ZoomRegion on screen.
|
|
||||||
* @param {number[]} viewPort: [left, top, right, bottom], defining
|
|
||||||
* the position and size on screen to place the zoom region.
|
|
||||||
*/
|
|
||||||
moveResize(viewPort) {
|
|
||||||
let viewRect = { x: viewPort[0], y: viewPort[1], width: viewPort[2] - viewPort[0], height: viewPort[3] - viewPort[1] };
|
|
||||||
this._zoomRegion.setViewPort(viewRect);
|
|
||||||
}
|
|
||||||
|
|
||||||
destroy() {
|
|
||||||
this._dbusImpl.unexport();
|
|
||||||
}
|
|
||||||
};
|
|
||||||
41
src/main.c
41
src/main.c
@ -27,7 +27,6 @@
|
|||||||
extern GType gnome_shell_plugin_get_type (void);
|
extern GType gnome_shell_plugin_get_type (void);
|
||||||
|
|
||||||
#define SHELL_DBUS_SERVICE "org.gnome.Shell"
|
#define SHELL_DBUS_SERVICE "org.gnome.Shell"
|
||||||
#define MAGNIFIER_DBUS_SERVICE "org.gnome.Magnifier"
|
|
||||||
|
|
||||||
#define WM_NAME "GNOME Shell"
|
#define WM_NAME "GNOME Shell"
|
||||||
#define GNOME_WM_KEYBINDINGS "Mutter,GNOME Shell"
|
#define GNOME_WM_KEYBINDINGS "Mutter,GNOME Shell"
|
||||||
@ -74,35 +73,6 @@ shell_dbus_acquire_name (GDBusProxy *bus,
|
|||||||
g_variant_unref (request_name_variant);
|
g_variant_unref (request_name_variant);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void
|
|
||||||
shell_dbus_acquire_names (GDBusProxy *bus,
|
|
||||||
guint32 request_name_flags,
|
|
||||||
const gchar *name,
|
|
||||||
gboolean fatal, ...) G_GNUC_NULL_TERMINATED;
|
|
||||||
|
|
||||||
static void
|
|
||||||
shell_dbus_acquire_names (GDBusProxy *bus,
|
|
||||||
guint32 request_name_flags,
|
|
||||||
const gchar *name,
|
|
||||||
gboolean fatal, ...)
|
|
||||||
{
|
|
||||||
va_list al;
|
|
||||||
guint32 request_name_result;
|
|
||||||
va_start (al, fatal);
|
|
||||||
for (;;)
|
|
||||||
{
|
|
||||||
shell_dbus_acquire_name (bus,
|
|
||||||
request_name_flags,
|
|
||||||
&request_name_result,
|
|
||||||
name, fatal);
|
|
||||||
name = va_arg (al, gchar *);
|
|
||||||
if (!name)
|
|
||||||
break;
|
|
||||||
fatal = va_arg (al, gboolean);
|
|
||||||
}
|
|
||||||
va_end (al);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
static void
|
||||||
shell_dbus_init (gboolean replace)
|
shell_dbus_init (gboolean replace)
|
||||||
{
|
{
|
||||||
@ -149,17 +119,6 @@ shell_dbus_init (gboolean replace)
|
|||||||
exit (1);
|
exit (1);
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
|
||||||
* We always specify REPLACE_EXISTING to ensure we kill off
|
|
||||||
* the existing service if it was running.
|
|
||||||
*/
|
|
||||||
request_name_flags |= G_BUS_NAME_OWNER_FLAGS_REPLACE;
|
|
||||||
|
|
||||||
shell_dbus_acquire_names (bus,
|
|
||||||
request_name_flags,
|
|
||||||
/* Also grab the org.gnome.Magnifier service. */
|
|
||||||
MAGNIFIER_DBUS_SERVICE, FALSE,
|
|
||||||
NULL);
|
|
||||||
g_object_unref (bus);
|
g_object_unref (bus);
|
||||||
g_object_unref (session);
|
g_object_unref (session);
|
||||||
}
|
}
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user