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rewrite of new window sizing and placement. bug 239876. also addresses bugs 118717,176342,183633,240381. r=jag sr=blizzard (previous version of patch)
This commit is contained in:
danm-moz%comcast.net
parent
4451a3e073
commit
246d24f340
@ -47,6 +47,7 @@ LIBRARY_NAME = windowwatcher_s
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REQUIRES = xpcom \
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string \
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dom \
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gfx \
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windowwatcher \
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widget \
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js \
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@ -54,9 +54,10 @@
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#include "nsIDocShellTreeOwner.h"
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#include "nsIDocument.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMScreen.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMWindowInternal.h"
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#include "nsIScreen.h"
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#include "nsIScreenManager.h"
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#include "nsIScriptContext.h"
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#include "nsIEventQueue.h"
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#include "nsIEventQueueService.h"
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@ -1447,97 +1448,112 @@ nsWindowWatcher::ReadyOpenedDocShellItem(nsIDocShellTreeItem *aOpenedItem,
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return rv;
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}
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/* Size and position the new window according to aFeatures. This method
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is assumed to be called after the window has already been given
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a default position and size; thus its current position and size are
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accurate defaults. The new window is made visible at method end.
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*/
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void
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nsWindowWatcher::SizeOpenedDocShellItem(nsIDocShellTreeItem *aDocShellItem,
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nsIDOMWindow *aParent,
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const char *aFeatures,
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PRUint32 aChromeFlags)
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{
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PRInt32 chromeX = 0, chromeY = 0, chromeCX = 100, chromeCY = 100;
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PRInt32 contentCX = 100, contentCY = 100;
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// position and size of window
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PRInt32 left = 0,
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top = 0,
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width = 100,
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height = 100;
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// difference between chrome and content size
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PRInt32 chromeWidth = 0,
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chromeHeight = 0;
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// whether the window size spec refers to chrome or content
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PRBool sizeChromeWidth = PR_TRUE,
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sizeChromeHeight = PR_TRUE;
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// Use sizes from the parent window, if any, as our default
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if (aParent) {
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nsCOMPtr<nsIDocShellTreeItem> item;
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// get various interfaces for aDocShellItem, used throughout this method
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nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
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aDocShellItem->GetTreeOwner(getter_AddRefs(treeOwner));
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nsCOMPtr<nsIBaseWindow> treeOwnerAsWin(do_QueryInterface(treeOwner));
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if (!treeOwnerAsWin) // we'll need this to actually size the docshell
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return;
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GetWindowTreeItem(aParent, getter_AddRefs(item));
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if (item) {
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// if we are content, we may need the content sizes
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nsCOMPtr<nsIBaseWindow> win(do_QueryInterface(item));
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win->GetSize(&contentCX, &contentCY);
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/* The current position and size will be unchanged if not specified
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(and they fit entirely onscreen). Also, calculate the difference
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between chrome and content sizes on aDocShellItem's window.
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This latter point becomes important if chrome and content
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specifications are mixed in aFeatures, and when bringing the window
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back from too far off the right or bottom edges of the screen. */
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// now the main window
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nsCOMPtr<nsIDocShellTreeOwner> owner;
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item->GetTreeOwner(getter_AddRefs(owner));
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if (owner) {
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nsCOMPtr<nsIBaseWindow> basewin(do_QueryInterface(owner));
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if (basewin)
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basewin->GetPositionAndSize(&chromeX, &chromeY,
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&chromeCX, &chromeCY);
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}
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treeOwnerAsWin->GetPositionAndSize(&left, &top, &width, &height);
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{ // scope shellWindow why not
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nsCOMPtr<nsIBaseWindow> shellWindow(do_QueryInterface(aDocShellItem));
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if (shellWindow) {
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PRInt32 cox, coy;
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shellWindow->GetSize(&cox, &coy);
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chromeWidth = width - cox;
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chromeHeight = height - coy;
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}
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}
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PRBool present = PR_FALSE;
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PRBool positionSpecified = PR_FALSE;
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// Parse position spec, if any, from aFeatures
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PRBool positionSpecified = PR_FALSE;
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PRBool present;
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PRInt32 temp;
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present = PR_FALSE;
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if ((temp = WinHasOption(aFeatures, "left", 0, &present)) || present)
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chromeX = temp;
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left = temp;
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else if ((temp = WinHasOption(aFeatures, "screenX", 0, &present)) || present)
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chromeX = temp;
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left = temp;
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if (present)
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positionSpecified = PR_TRUE;
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present = PR_FALSE;
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if ((temp = WinHasOption(aFeatures, "top", 0, &present)) || present)
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chromeY = temp;
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top = temp;
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else if ((temp = WinHasOption(aFeatures, "screenY", 0, &present)) || present)
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chromeY = temp;
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top = temp;
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if (present)
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positionSpecified = PR_TRUE;
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PRBool sizeChrome = PR_FALSE;
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PRBool sizeSpecified = PR_FALSE;
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if ((temp = WinHasOption(aFeatures, "outerWidth", chromeCX, nsnull))) {
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chromeCX = temp;
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sizeChrome = PR_TRUE;
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// Parse size spec, if any. Chrome size overrides content size.
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if ((temp = WinHasOption(aFeatures, "outerWidth", width, nsnull))) {
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width = temp;
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sizeSpecified = PR_TRUE;
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} else if ((temp = WinHasOption(aFeatures, "width",
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width - chromeWidth, nsnull))) {
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width = temp;
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sizeChromeWidth = PR_FALSE;
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sizeSpecified = PR_TRUE;
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} else if ((temp = WinHasOption(aFeatures, "innerWidth",
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width - chromeWidth, nsnull))) {
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width = temp;
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sizeChromeWidth = PR_FALSE;
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sizeSpecified = PR_TRUE;
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}
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if ((temp = WinHasOption(aFeatures, "outerHeight", chromeCY, nsnull))) {
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chromeCY = temp;
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sizeChrome = PR_TRUE;
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if ((temp = WinHasOption(aFeatures, "outerHeight", height, nsnull))) {
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height = temp;
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sizeSpecified = PR_TRUE;
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} else if ((temp = WinHasOption(aFeatures, "height",
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height - chromeHeight, nsnull))) {
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height = temp;
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sizeChromeHeight = PR_FALSE;
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sizeSpecified = PR_TRUE;
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} else if ((temp = WinHasOption(aFeatures, "innerHeight",
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height - chromeHeight, nsnull))) {
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height = temp;
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sizeChromeHeight = PR_FALSE;
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sizeSpecified = PR_TRUE;
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}
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// We haven't switched to chrome sizing so we need to get the content area
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if (!sizeChrome) {
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if ((temp = WinHasOption(aFeatures, "width", chromeCX, nsnull))) {
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contentCX = temp;
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sizeSpecified = PR_TRUE;
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} else if ((temp = WinHasOption(aFeatures, "innerWidth", chromeCX, nsnull))) {
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contentCX = temp;
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sizeSpecified = PR_TRUE;
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}
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if ((temp = WinHasOption(aFeatures, "height", chromeCY, nsnull))) {
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contentCY = temp;
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sizeSpecified = PR_TRUE;
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} else if ((temp = WinHasOption(aFeatures, "innerHeight", chromeCY, nsnull))) {
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contentCY = temp;
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sizeSpecified = PR_TRUE;
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}
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}
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nsresult res;
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PRBool enabled = PR_FALSE;
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PRInt32 screenWidth = 0, screenHeight = 0;
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PRInt32 winWidth, winHeight;
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// Check security state for use in determing window dimensions
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nsCOMPtr<nsIScriptSecurityManager>
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@ -1549,71 +1565,73 @@ nsWindowWatcher::SizeOpenedDocShellItem(nsIDocShellTreeItem *aDocShellItem,
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}
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if (!enabled) {
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// Security check failed. Ensure all args meet minimum reqs.
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if (sizeSpecified) {
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if (sizeChrome) {
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chromeCX = chromeCX < 100 ? 100 : chromeCX;
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chromeCY = chromeCY < 100 ? 100 : chromeCY;
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}
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else {
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contentCX = contentCX < 100 ? 100 : contentCX;
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contentCY = contentCY < 100 ? 100 : contentCY;
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}
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}
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if (positionSpecified) {
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// We'll also need the screen dimensions
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// XXX This should use nsIScreenManager once it's fully fleshed out.
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nsCOMPtr<nsIDOMScreen> screen;
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if (aParent) {
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nsCOMPtr<nsIDOMWindowInternal> intparent(do_QueryInterface(aParent));
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if (intparent)
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intparent->GetScreen(getter_AddRefs(screen));
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} else {
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// XXX hmmph. try the new window.
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}
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if (screen) {
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screen->GetAvailWidth(&screenWidth);
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screen->GetAvailHeight(&screenHeight);
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PRInt32 oldTop = top,
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oldLeft = left;
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// We'll also need the screen dimensions
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nsCOMPtr<nsIScreen> screen;
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nsCOMPtr<nsIScreenManager> screenMgr(do_GetService(
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"@mozilla.org/gfx/screenmanager;1"));
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if (screenMgr)
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screenMgr->ScreenForRect(left, top, width, height,
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getter_AddRefs(screen));
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if (screen) {
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PRInt32 screenLeft, screenTop, screenWidth, screenHeight;
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PRInt32 winWidth = width + (sizeChromeWidth ? 0 : chromeWidth),
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winHeight = height + (sizeChromeHeight ? 0 : chromeHeight);
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screen->GetAvailRect(&screenLeft, &screenTop,
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&screenWidth, &screenHeight);
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if (sizeSpecified) {
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/* Unlike position, force size out-of-bounds check only if
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size actually was specified. Otherwise, intrinsically sized
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windows are broken. */
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if (height < 100)
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height = 100;
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if (winHeight > screenHeight)
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height = screenHeight - (sizeChromeHeight ? 0 : chromeHeight);
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if (width < 100)
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width = 100;
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if (winWidth > screenWidth)
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width = screenWidth - (sizeChromeWidth ? 0 : chromeWidth);
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}
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// This isn't strictly true but close enough
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winWidth = sizeSpecified ? (sizeChrome ? chromeCX : contentCX) : 100;
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winHeight = sizeSpecified ? (sizeChrome ? chromeCY : contentCY) : 100;
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chromeX =
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screenWidth < chromeX + winWidth ? screenWidth - winWidth : chromeX;
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chromeX = chromeX < 0 ? 0 : chromeX;
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chromeY = screenHeight < chromeY + winHeight
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? screenHeight - winHeight
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: chromeY;
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chromeY = chromeY < 0 ? 0 : chromeY;
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if (left+winWidth > screenLeft+screenWidth)
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left = screenLeft+screenWidth - winWidth;
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if (left < screenLeft)
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left = screenLeft;
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if (top+winHeight > screenTop+screenHeight)
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top = screenTop+screenHeight - winHeight;
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if (top < screenTop)
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top = screenTop;
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if (top != oldTop || left != oldLeft)
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positionSpecified = PR_TRUE;
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}
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}
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nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
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aDocShellItem->GetTreeOwner(getter_AddRefs(treeOwner));
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nsCOMPtr<nsIBaseWindow> treeOwnerAsWin(do_QueryInterface(treeOwner));
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if (treeOwnerAsWin) {
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if (sizeChrome) {
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if (positionSpecified && sizeSpecified)
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treeOwnerAsWin->SetPositionAndSize(chromeX, chromeY, chromeCX,
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chromeCY, PR_FALSE);
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else {
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if (sizeSpecified)
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treeOwnerAsWin->SetSize(chromeCX, chromeCY, PR_FALSE);
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if (positionSpecified)
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treeOwnerAsWin->SetPosition(chromeX, chromeY);
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}
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}
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// size and position the window
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if (positionSpecified)
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treeOwnerAsWin->SetPosition(left, top);
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if (sizeSpecified) {
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/* Prefer to trust the interfaces, which think in terms of pure
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chrome or content sizes. If we have a mix, use the chrome size
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adjusted by the chrome/content differences calculated earlier. */
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if (!sizeChromeWidth && !sizeChromeHeight)
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treeOwner->SizeShellTo(aDocShellItem, width, height);
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else {
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if (positionSpecified)
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treeOwnerAsWin->SetPosition(chromeX, chromeY);
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if (sizeSpecified)
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treeOwner->SizeShellTo(aDocShellItem, contentCX, contentCY);
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if (!sizeChromeWidth)
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width += chromeWidth;
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if (!sizeChromeHeight)
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height += chromeHeight;
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treeOwnerAsWin->SetSize(width, height, PR_FALSE);
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}
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treeOwnerAsWin->SetVisibility(PR_TRUE);
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}
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treeOwnerAsWin->SetVisibility(PR_TRUE);
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}
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// attach the given array of JS values to the given window, as a property array
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