зеркало из https://github.com/mozilla/gecko-dev.git
Bug 840722 - Add an object which represents the viewport metadata in browser.js.r=kats
This commit is contained in:
Tetsuharu OHZEKI
Родитель
8c1c3e2ad7
Коммит
a91b466724
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@ -1133,7 +1133,7 @@ var BrowserApp = {
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if (focused) {
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// _zoomToElement will handle not sending any message if this input is already mostly filling the screen
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BrowserEventHandler._zoomToElement(focused, -1, false,
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aAllowZoom && !this.isTablet && !ViewportHandler.getViewportMetadata(aBrowser.contentWindow).hasMetaViewport);
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aAllowZoom && !this.isTablet && !ViewportHandler.getViewportMetadata(aBrowser.contentWindow).isSpecified);
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}
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},
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@ -3388,13 +3388,13 @@ Tab.prototype = {
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aMetadata.minZoom = aMetadata.maxZoom = NaN;
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}
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let scaleRatio = aMetadata.scaleRatio = ViewportHandler.getScaleRatio();
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let scaleRatio = aMetadata.scaleRatio;
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if ("defaultZoom" in aMetadata && aMetadata.defaultZoom > 0)
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if (aMetadata.defaultZoom > 0)
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aMetadata.defaultZoom *= scaleRatio;
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if ("minZoom" in aMetadata && aMetadata.minZoom > 0)
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if (aMetadata.minZoom > 0)
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aMetadata.minZoom *= scaleRatio;
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if ("maxZoom" in aMetadata && aMetadata.maxZoom > 0)
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if (aMetadata.maxZoom > 0)
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aMetadata.maxZoom *= scaleRatio;
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ViewportHandler.setMetadataForDocument(this.browser.contentDocument, aMetadata);
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@ -3422,13 +3422,8 @@ Tab.prototype = {
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let metadata = this.metadata;
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if (metadata.autoSize) {
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if ("scaleRatio" in metadata) {
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viewportW = screenW / metadata.scaleRatio;
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viewportH = screenH / metadata.scaleRatio;
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} else {
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viewportW = screenW;
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viewportH = screenH;
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}
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viewportW = screenW / metadata.scaleRatio;
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viewportH = screenH / metadata.scaleRatio;
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} else {
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viewportW = metadata.width;
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viewportH = metadata.height;
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@ -4965,14 +4960,7 @@ var ViewportHandler = {
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},
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/**
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* Returns an object with the page's preferred viewport properties:
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* defaultZoom (optional float): The initial scale when the page is loaded.
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* minZoom (optional float): The minimum zoom level.
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* maxZoom (optional float): The maximum zoom level.
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* width (optional int): The CSS viewport width in px.
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* height (optional int): The CSS viewport height in px.
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* autoSize (boolean): Resize the CSS viewport when the window resizes.
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* allowZoom (boolean): Let the user zoom in or out.
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* Returns the ViewportMetadata object.
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*/
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getViewportMetadata: function getViewportMetadata(aWindow) {
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let windowUtils = aWindow.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);
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@ -5004,12 +4992,22 @@ var ViewportHandler = {
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if (isNaN(scale) && isNaN(minScale) && isNaN(maxScale) && allowZoomStr == "" && widthStr == "" && heightStr == "") {
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// Only check for HandheldFriendly if we don't have a viewport meta tag
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let handheldFriendly = windowUtils.getDocumentMetadata("HandheldFriendly");
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if (handheldFriendly == "true")
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return { defaultZoom: 1, autoSize: true, allowZoom: true };
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if (handheldFriendly == "true") {
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return new ViewportMetadata({
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defaultZoom: 1,
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autoSize: true,
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allowZoom: true
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});
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}
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let doctype = aWindow.document.doctype;
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if (doctype && /(WAP|WML|Mobile)/.test(doctype.publicId))
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return { defaultZoom: 1, autoSize: true, allowZoom: true };
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if (doctype && /(WAP|WML|Mobile)/.test(doctype.publicId)) {
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return new ViewportMetadata({
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defaultZoom: 1,
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autoSize: true,
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allowZoom: true
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});
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}
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hasMetaViewport = false;
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let defaultZoom = Services.prefs.getIntPref("browser.viewport.defaultZoom");
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@ -5029,7 +5027,7 @@ var ViewportHandler = {
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(!widthStr && (heightStr == "device-height" || scale == 1.0)));
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}
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return {
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return new ViewportMetadata({
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defaultZoom: scale,
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minZoom: minScale,
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maxZoom: maxScale,
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@ -5037,8 +5035,8 @@ var ViewportHandler = {
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height: height,
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autoSize: autoSize,
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allowZoom: allowZoom,
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hasMetaViewport: hasMetaViewport
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};
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isSpecified: hasMetaViewport
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});
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},
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clamp: function(num, min, max) {
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@ -5073,7 +5071,7 @@ var ViewportHandler = {
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* metadata is available for that document.
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*/
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getMetadataForDocument: function getMetadataForDocument(aDocument) {
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let metadata = this._metadata.get(aDocument, this.getDefaultMetadata());
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let metadata = this._metadata.get(aDocument, new ViewportMetadata());
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return metadata;
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},
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@ -5083,18 +5081,48 @@ var ViewportHandler = {
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this._metadata.delete(aDocument);
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else
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this._metadata.set(aDocument, aMetadata);
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},
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/** Returns the default viewport metadata for a document. */
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getDefaultMetadata: function getDefaultMetadata() {
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return {
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autoSize: false,
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allowZoom: true,
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scaleRatio: ViewportHandler.getScaleRatio()
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};
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}
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};
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/**
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* An object which represents the page's preferred viewport properties:
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* width (int): The CSS viewport width in px.
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* height (int): The CSS viewport height in px.
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* defaultZoom (float): The initial scale when the page is loaded.
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* minZoom (float): The minimum zoom level.
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* maxZoom (float): The maximum zoom level.
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* autoSize (boolean): Resize the CSS viewport when the window resizes.
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* allowZoom (boolean): Let the user zoom in or out.
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* isSpecified (boolean): Whether the page viewport is specified or not.
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* scaleRatio (float): The device-pixel-to-CSS-px ratio.
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*/
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function ViewportMetadata(aMetadata = {}) {
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this.width = ("width" in aMetadata) ? aMetadata.width : 0;
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this.height = ("height" in aMetadata) ? aMetadata.height : 0;
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this.defaultZoom = ("defaultZoom" in aMetadata) ? aMetadata.defaultZoom : 0;
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this.minZoom = ("minZoom" in aMetadata) ? aMetadata.minZoom : 0;
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this.maxZoom = ("maxZoom" in aMetadata) ? aMetadata.maxZoom : 0;
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this.autoSize = ("autoSize" in aMetadata) ? aMetadata.autoSize : false;
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this.allowZoom = ("allowZoom" in aMetadata) ? aMetadata.allowZoom : true;
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this.isSpecified = ("isSpecified" in aMetadata) ? aMetadata.isSpecified : false;
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this.scaleRatio = ViewportHandler.getScaleRatio();
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Object.seal(this);
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}
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ViewportMetadata.prototype = {
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width: null,
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height: null,
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defaultZoom: null,
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minZoom: null,
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maxZoom: null,
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autoSize: null,
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allowZoom: null,
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isSpecified: null,
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scaleRatio: null,
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};
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/**
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* Handler for blocked popups, triggered by DOMUpdatePageReport events in browser.xml
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*/
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